| blob | c690c09f6ae9fccdad36f94671fb62bf5c658e38 |
1 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3 PR rtl-optimization/27616
4 * cse.c (table_size): New static variable.
5 (new_basic_block): Initialize it to 0.
6 (remove_from_table): Decrement it.
7 (insert): Increment it.
8 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
10 fold_rtx_mem_1 if under the cap.
11 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
12 the lookup of the equivalent expression and test for equality of the
13 first operand of the equivalent expression before in turn looking up
14 an equivalent constant for the second operand.
16 2006-09-02 Geoffrey Keating <geoffk@apple.com>
18 Revert this change:
19 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
20 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
21 pointer, instead of assuming it is possible to derive the
22 correct args size from a call insn.
24 2006-09-02 Jakub Jelinek <jakub@redhat.com>
26 PR middle-end/27567
27 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
28 (fold_builtin_mempcpy): Rename to...
29 (fold_builtin_memory_op): ... this. Optimize one element copy
30 into an assignment.
31 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
32 functions.
33 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
34 (expand_builtin_memcpy, expand_builtin_mempcpy,
35 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
36 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
37 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
38 BUILT_IN_MEM{CPY,PCPY,MOVE}.
40 2006-09-01 DJ Delorie <dj@redhat.com>
42 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
43 (stzx_16): Likewise.
44 ("stzx_24_<mode>"): Likewise.
45 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
46 ("cmp<mode>_op"): New.
47 (cmp<mode>): Change to expander; just save operands.
48 (b<code>_op): New.
49 (b<code>): Change to expander, emit compare here.
50 (s<code>_op): Change to use split and expander.
51 (s<code>_24_op): Likewise.
52 (s<code>_<mode>): New.
53 (s<code>_<mode>_24): New.
54 (movqicc_<code>_<mode): New.
55 (movhicc_<code>_<mode>): New.
56 (s<code>): New.
57 (s<code>_24): New.
58 * config/m32c/m32c.c (compare_op0, compare_op1): New.
59 (m32c_pend_compare): New.
60 (m32c_unpend_compare): New.
61 (m32c_expand_scc): New.
62 (m32c_expand_movcc): Emit the compare also.
63 * config/m32c/predicates.md (mra_nopp_operand): New.
65 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
66 Richard Guenther <rguenther@suse.de>
67 Adam Nemet <anemet@caviumnetworks.com>
69 PR middle-end/27226
70 * builtins.c (get_pointer_alignment): Handle more forms
71 of base addresses that can be used to derive more precise
72 information about alignment.
74 2006-09-01 Jason Merrill <jason@redhat.com>
76 PR c++/28899
77 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
78 want_value.
80 * gimplify.c (voidify_wrapper_expr): Handle null type.
82 2006-09-01 Josh Conner <jconner@apple.com>
84 PR c++/25505
85 * tree-nrv.c (dest_safe_for_nrv_p): New function.
86 (execute_return_slot_opt): Use it.
88 2006-08-31 Josh Conner <jconner@apple.com>
90 PR c++/25505
91 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
92 returning aggregates.
94 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
96 PR tree-optimization/28839
97 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
98 blocks in that phi arguments appear.
100 2006-08-31 Roger Sayle <roger@eyesopen.com>
102 PR other/22313
103 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
104 NULL, otherwise use an advance_loc4 to adjust relative to the
105 current label.
106 (output_cfi) <DW_CFA_set_loc>: Update the current label.
107 (dwarf2out_switch_text_section): Reset the current label to avoid
108 using advance_loc4 over section boundaries.
110 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
112 PR target/24367
113 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
114 r12 + SYMBOLIC_CONST.
116 2006-08-30 Richard Guenther <rguenther@suse.de>
118 * Makefile.in (see.o): Add $(EXPR_H) dependency.
120 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
122 PR rtl-optimization/27735
123 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
124 Add new argument to keep track of whether an irreducible region
125 was affected. All callers changed.
126 (fix_irreducible_loops): Removed.
127 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
128 flags were invalidated.
130 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
132 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
133 instead of SF operands.
134 (*fop_df_comm_sse): Likewise.
135 (*fop_df_comm_i387): Likewise.
136 (*fop_df_1_mixed): Likewise.
137 (*fop_df_1_sse): Likewise.
139 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
140 J"orn Rennecke <joern.rennecke@st.com>
142 PR tree-optimization/17506
143 * tree-ssa.c (warn_uninit): If warning about a location outside of
144 the current function, note where the variable was declared.
146 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
148 PR tree-optimization/28411
149 * double-int.c (double_int_div): Use double_int_divmod.
150 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
151 double_int_mod, double_int_smod, double_int_umod): New functions.
152 * double-int.h (double_int_divmod, double_int_sdivmod,
153 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
154 Declare.
155 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
156 in double_int.
157 (get_computation_aff, get_computation_cost_at): Handle double_int
158 return type of constant_multiple_of.
160 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
162 PR middle-end/26632
163 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
164 an implicit conversion.
166 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
168 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
170 2006-08-27 Roger Sayle <roger@eyesopen.com>
172 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
173 x87 instructions.
175 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
177 * config/i386/crtfastmath.c: Fix a comment typo.
179 2006-08-26 Roger Sayle <roger@eyesopen.com>
181 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
182 temporary visit flags on CASE_LABEL_EXPRs.
183 * c-common.c (match_case_to_enum): Add function comment. Avoid
184 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
185 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
186 CASE_HIGH_SEEN for enumerated types. If the switch expression is
187 a constant, only warn if that constant value isn't handled.
189 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
191 PR c++/24009
192 * input.h (restore_input_file_stack): Declare.
193 (INPUT_FILE_STACK_BITS): Define.
194 * toplev.c (fs_p, input_file_stack_history,
195 input_file_stack_restored, restore_input_file_stack): New.
196 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
197 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
198 (pop_srcloc): Don't free old state of stack.
200 2006-08-26 David Edelsohn <edelsohn@gnu.org>
202 PR target/27544
203 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
204 (PowerPC Type Attributes): New.
206 2006-08-26 Bob Wilson <bob.wilson@acm.org>
208 * config/xtensa/xtensa.c (function_arg_boundary): New.
209 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
210 STACK_BOUNDARY.
211 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
212 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
214 2006-08-26 Jakub Jelinek <jakub@redhat.com>
216 PR middle-end/28683
217 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
218 3 following insns.
220 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
222 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
223 (verify_local_live_at_start): Likewise.
225 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
227 PR c/27893
228 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
229 omp_add_variable): Treat sizes as variable whenever not
230 INTEGER_CST.
232 2006-08-26 Richard Guenther <rguenther@suse.de>
234 PR middle-end/28814
235 * fold-const.c (fold_binary): Fold temporary to correct
236 type before constructing new comparison.
238 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
240 PR c/28418
241 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
242 variable again if DECL_SEEN_IN_BIND_EXPR_P.
244 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
246 PR c/28299
247 * c-decl.c (start_function): Don't try to process prototype
248 information from old declaration that isn't a function.
250 2006-08-25 Jan Hubicka <jh@suse.cz>
252 PR target/28621
253 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
255 2006-08-25 Alan Modra <amodra@bigpond.net.au>
257 PR target/27075
258 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
259 for 8 byte objects.
261 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
263 PR tree-optimization/16876
264 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
265 exit if PARM doesn't match VALUE.
267 2006-08-25 Bob Wilson <bob.wilson@acm.org>
269 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
270 literal_prefix directive.
271 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
272 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
273 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
275 2006-08-25 David Edelsohn <edelsohn@gnu.org>
277 PR target/28753
278 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
279 predicate to general_operand. Add 0->y and I->r alternatives.
281 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
283 * doc/tm.texi: Fix a typo.
284 * predict.c: Fix comment typos.
286 2006-08-25 Nick Clifton <nickc@redhat.com>
288 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
289 assertions of "cpu" and "machine".
291 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
293 PR tree-opt/28807
294 * tree-ssa-operands.c (access_can_touch_variable): Don't say
295 the access through a base which has an alias set of 0 cannot
296 touch the variable.
298 2006-08-24 Bill Wendling <wendling@apple.com>
300 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
302 2006-08-24 Jan Hubicka <jh@suse.cz>
304 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
306 2006-08-24 Jan Hubicka <jh@suse.cz>
308 PR debug/26881
309 * cgraph.c: Fix comments.
310 (cgraph_varpool_mark_needed_node): Mark only variables not already
311 output to file.
312 * cgraphunit.c: Update comments; include gt-cgraphunit.h
313 (cgraph_varpool_assembled_nodes_queue): New static variable.
314 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
315 (cgraph_varpool_output_debug_info): New function.
316 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
317 * Makefile.in: Add gt-cgraphunit.h
319 2006-08-24 Jan Hubicka <jh@suse.cz>
321 * predict.c (probability_reliable_p): New predicate.
322 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
323 (predict_loops): Do not predict loop exit with less than 2%
324 probability.
325 * basic-block.h (edge_probability_reliable_p,
326 br_prob_note_reliable_p): Declare.
327 * ia64.h (ia64_print_operand): Do not disable on-chip branch
328 prediction when static predictor is not reliable.
329 * rs6000.c (output_cbranch): Likewise.
331 2006-08-23 Stuart Hastings <stuart@apple.com>
333 PR 28825
334 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
335 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
337 2006-08-21 Geoffrey Keating <geoffk@apple.com>
339 PR debug/28692
340 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
341 complex values, nor for generic vector values.
343 2006-08-22 Richard Guenther <rguenther@suse.de>
345 PR middle-end/28776
346 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
347 parameter. Convert arguments to arithmetic expression to the
348 chrecs type.
349 (analyze_scalar_evolution_1): Adjust caller.
351 2006-08-22 Jan Hubicka <jh@suse.cz>
353 Patch by Paolo Bonzini
354 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
355 my previous patch.
357 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
359 PR tree-optimization/28003
360 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
361 before grouping aliases.
363 2006-08-22 Roger Sayle <roger@eyesopen.com>
365 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
366 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
368 2006-08-21 Jason Merrill <jason@redhat.com>
370 PR c++/27115
371 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
372 wrapper. Loop to handle nested wrappers.
373 (gimplify_bind_expr): Remove temp parameter.
374 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
375 and STATEMENT_LIST on the rhs.
376 (gimplify_statement_list): Voidify the STATEMENT_LIST.
377 (gimplify_expr): Pass pre_p to gimplify_statement_list.
378 (gimplify_target_expr): Remove special BIND_EXPR handling.
380 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
382 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
383 #if !__SHMEDIA__ .
385 2006-08-21 Olivier Hainque <hainque@adacore.com>
387 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
388 Arrange for the temporary captures of components overlapping the lhs
389 to happen before the lhs is possibly cleared.
391 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
393 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
394 necessary places to pass the correct "number of registers" values
395 to _Unwind_VRS_Pop.
397 2006-08-20 Jan Hubicka <jh@suse.cz>
399 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
400 (create_name_tags): Instead of quadratic checking use hashtable.
401 * bitmap.h: Include hashtab.h.
402 (bitmap_hash): Declare.
403 * bitmap.c (bitmap_hash): New function.
405 2006-08-20 Jan Hubicka <jh@suse.cz>
407 PR rtl-optimization/28071
408 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
409 twice.
410 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
411 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
412 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
413 cgraph_decide_inlining_incrementally): Update use of
414 cgraph_check_inline_limits.
415 * cgraph.c (edge_hash, edge_eq): New function.
416 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
417 cgraph_edge_remove_caller, cgraph_node_remove_callees,
418 cgraph_remove_node): Maintain call site hash.
419 * cgraph.h (struct cgraph_node): Add call_site_hash.
420 (cgraph_set_call_stmt): New function.
422 2006-08-20 Jan Hubicka <jh@suse.cz>
424 PR rtl-optimization/28071
425 * reload1.c (reg_has_output_reload): Turn into regset.
426 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
427 choose_reload_regs, emit_reload_insns): Update to new
428 reg_has_output_reload.
430 2006-08-20 Jan Hubicka <jh@suse.cz>
432 PR middle-end/28779
433 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
434 function body sizes.
435 * cgraphunit.c (cgraph_analyze_function): Don't do so.
437 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
439 PR target/28648 c:
440 * tree.c (handle_dll_attribute): Return early if not a
441 var or function decl.
443 2006-08-18 Joseph Myers <joseph@codesourcery.com>
445 PR target/27565
446 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
447 alignment of SPE vector types.
449 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
451 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
453 2006-08-17 Jakub Jelinek <jakub@redhat.com>
455 PR c/28744
456 * cgraph.h (struct cgraph_node): Remove externally_visible
457 bitfield.
458 * cgraphunit.c (process_function_and_variable_attributes): Set
459 local.externally_visible rather than externally_visible.
461 PR c/28744
462 * c-common.c (handle_externally_visible_attribute): First look
463 at TREE_CODE and only if it is function or var decl, check for
464 non-public objects. Don't warn for DECL_EXTERNAL.
465 * cgraphunit.c (process_function_and_variable_attributes): Warn
466 if externally_visible attribute is used on non-public object.
468 2006-08-17 Jan Hubicka <jh@suse.cz>
470 PR tree-optimization/27865
471 * reload1.c (forget_marked_reloads): New function.
472 (forget_old_reloads_1): When data are passed, just mark the registers
473 for later removal.
474 (reload_as_needed): Use the new mechanizm.
476 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
478 PR target/28146
479 * reload.h (reg_equiv_alt_mem_list): New declaration.
480 * reload1.c (reg_equiv_alt_mem_list): New definition.
481 (reload): Initialize it and release it.
482 (delete_output_reload): Use it.
483 * reload.c (push_reg_equiv_alt_mem): New function.
484 (find_reloads_toplev): Call it.
485 (find_reloads_address, find_reloads_address_1): Likewise.
486 (find_reloads_subreg_address): Likewise.
488 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
490 PR rtl-optimization/28489
491 * sched-ebb.c (begin_schedule_ready): Create basic block
492 at the right place.
493 (advance_target_bb): Skip empty blocks.
494 * haifa-sched.c (bb_note): Make global.
495 * sched-int.h (bb_note): Add prototype.
497 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
499 PR tree-optimization/27865
500 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
501 for pointer types.
502 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
503 fold_used_pointer, pointer_used_p): New functions.
504 (analyze_scalar_evolution_1): Use fold_used_pointer.
505 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
506 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
507 for pointers.
509 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
511 PR c++/28573
512 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
513 or the INTEGER_CST. Fail on a CALL_EXPR.
514 (fold_offsetof): Pass new argument to fold_offsetof_1.
515 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
516 operand into an INDIRECT_REF.
517 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
519 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
521 PR gcov/profile/26570
522 * value-prof.c (static_values): Removed.
523 (tree_find_values_to_profile): Do not set static_values.
524 (find_values_to_profile): Do not free static_values.
525 * profile.c (instrument_values): Do not free the values.
526 (branch_prob): Free the values.
528 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
530 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
532 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
534 PR c/27697
535 * c-typeck.c (build_component_ref): Combine qualifiers of
536 structure or union and field.
538 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
540 PR rtl-optimization/28071
541 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
542 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
543 * tree-into-ssa.c (struct dom_dfsnum): New.
544 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
545 functions.
546 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
547 compute_global_livein.
548 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
549 in phi nodes in the correct blocks.
551 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
553 PR tree-optimization/28364
554 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
555 correctly.
556 (fold_affine_expr): New function.
557 (may_eliminate_iv): Use fold_affine_expr.
559 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
561 PR c/27489
562 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
563 Clean up.
565 2006-08-16 Mike Stump <mrs@apple.com>
567 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
568 * doc/cppopts.texi (-MD): Likewise.
570 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
572 PR c/28287
573 * c-common.c (handle_weak_attribute): Ignore and warn if
574 not a FUNCTION_ or VAR_DECL.
576 2006-07-15 Mike Stump <mrs@apple.com>
578 PR c/28280
579 * c-parser.c (c_parser_typeof_specifier): Don't use
580 c_finish_expr_stmt, open code desired semantics instead.
582 2006-08-15 Nick Clifton <nickc@redhat.com>
584 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
585 fragment to tmake_file only if threads are enabled.
586 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
587 * config/i386/t-gthr-win32: New file. ... here.
589 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
591 PR c/28649
592 * c-parser.c (c_parser_compound_statement_nostart): Reset
593 parser->error after each statement.
595 2006-08-15 Jakub Jelinek <jakub@redhat.com>
597 PR middle-end/28713
598 * omp-low.c (lower_omp_parallel): Convert t to
599 receiver_decl's type.
600 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
601 source before comparison.
603 PR middle-end/28724
604 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
605 to itype in assignment to oldival2.
607 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
609 PR c/27490
610 PR c/27489
611 * c-typeck.c (build_compound_expr): If the second expression
612 is an error mark, then just return an error mark instead of
613 creating a COMPOUND_EXPR.
615 2006-07-14 Mike Stump <mrs@apple.com>
617 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
619 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
621 * c-decl.c, var-tracking.c: Fix comment typos.
623 2006-08-14 Richard Sandiford <richard@codesourcery.com>
625 PR rtl-optimization/28634
626 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
627 for floating-point modes unless flag_unsafe_math_optimizations.
629 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
630 Andrew Pinski <pinskia@physics.uc.edu>
632 PR c/27184
633 * tree.c (build_array_type): Unify array types with
634 unspecified index_type.
635 * c-decl.c (grokdeclarator): Make sure we do not modify a
636 unified incomplete array type.
637 * c-typeck.c (store_init_value): Create distinct type before
638 filling in the index type in an initializer from a compound
639 literal.
641 * c-decl.c (grokdeclarator): Remove code where we copy the
642 array type over.
644 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
646 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
647 into account for TODO_dump_cgraph.
648 (TODO_update_ssa_no_phi): Likewise.
649 (TODO_update_ssa_full_phi): Likewise.
650 (TODO_update_ssa_only_virtuals): Likewise.
651 (TODO_remove_unused_locals): Likewise.
652 (TODO_set_props): Likewise.
653 (TODO_update_stmt_usage): Likewise.
655 2006-08-13 Dirk Mueller <dmueller@suse.de>
657 * c-common.c (strict_aliasing_warning): Fix formatting.
659 2006-08-13 Matthias Klose <doko@debian.org>
661 * doc/invoke.texi: Fix spelling errors.
663 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
665 PR rtl-optimization/23454
666 * reorg.c (relax_delay_slots): Update comment.
668 2006-08-11 Richard Guenther <rguenther@suse.de>
670 PR middle-end/28651
671 * simplify-rtx.c (simplify_const_relational_operation):
672 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
673 codes.
675 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
677 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
678 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
680 2006-08-10 Paul Brook <paul@codesourcery.com>
682 * final.c (final_scan_insn): Clear current_insn_predicate before
683 outputting inline asm.
685 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
687 PR tree-optimization/26197
688 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
689 get_ref_base_and_extent and overlap_subvar to add only relevant
690 subvars as may-aliases.
691 (add_may_alias_for_new_tag): New function, factored out of
692 new_type_alias.
693 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
694 with additional argument.
695 * tree-flow.h (new_type_alias): Takes additional argument.
697 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
699 * gcov.c (no_data_file): New flag.
700 (read_count_file): Set it if data file not present. Assume counts
701 zero if not found.
702 (output_lines): Don't name the data file, if there wasn't one.
704 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
706 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
707 (rs6000_generate_compare): Tweak comments.
708 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
710 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
712 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
713 (var_debug_decl): New function.
714 (var_reg_set): Follow debug decl link. Add location even if
715 reg is already known to hold some other variable.
716 (var_mem_set): Follow debug decl link.
717 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
718 decl link. Delete other known locations of the variable part
719 if requested.
720 (var_reg_delete, var_mem_delete): Delete other known locations
721 of the variable part if requested.
722 (same_variable_part_p): New function.
723 (add_stores): Select MO_COPY when appropriate.
724 (vt_initialize): Handle it.
725 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
726 known locations for MO_SET and MO_CLOBBER.
727 (find_variable_location_part): New function.
728 (set_variable_part, delete_variable_part): Use it.
729 (clobber_variable_part): New function.
730 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
731 decl link.
733 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
735 PR tree-optimization/26969
736 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
737 with an empty list of PHIs.
739 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
741 PR target/27827
743 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
744 instructions.
746 2006-08-06 Andreas Schwab <schwab@suse.de>
748 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
749 string. Whitespace and comment fixup.
751 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
753 PR c/28502
754 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
755 argument.
757 PR c/27721
758 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
760 PR c/28136
761 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
763 2006-08-04 Jan Hubicka <jh@suse.cz>
765 PR target/26655
766 PR target/28270
767 * reload.c (push_reload): Patch out the mismatching instruction;
768 return early.
769 (find_reload): Bail out if the instruction was patched out.
771 2006-08-04 Jan Hubicka <jh@suse.cz>
773 PR tree-optimization/24888
774 * tree-inline.c (expand_call_inline): Do not re-record variables.
775 (declare_inline_vars): Add variable to unexpanded_var_list.
777 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
778 Roger Sayle <roger@eyesopen.com>
780 PR rtl-optimization/26244
781 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
782 inner_const are negative or greater than or equal to the bitsize of
783 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
784 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
785 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
786 CONST0_RTX (mode) when the new shift count is greater than or equal to
787 to the bitsize of the object being shifted and XEXP (y, 0) has no side
788 effects.
790 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
792 * tree-cfg.c: Fix a comment typo.
794 2006-08-03 Mark Mitchell <mark@codesourcery.com>
796 PR c++/28148
797 * varasm.c (output_constant): Give the front end another chance to
798 expand constants, after stripping NOPs.
800 2006-08-03 Jan Hubicka <jh@suse.cz>
802 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
803 implementation.
805 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
807 PR tree-optimization/27770
808 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
809 declaration removed (moved to tree-flow.h).
810 (vect_can_force_dr_alignment_p): Likewise.
811 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
812 (moved from tree-vectorizer.h).
813 (vect_can_force_dr_alignment_p): Likewise.
814 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
815 from outside the vectorizer - in particular from cgraph stage.
816 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
817 the alignment of global arrays when -fsection-anchors is enabled.
818 * cgraphunit.c (cgraph_increase_alignment): New function.
819 (cgraph_optimize): Call cgraph_increase_alignment.
821 2006-08-03 David Edelsohn <edelsohn@gnu.org>
823 PR target/27566
824 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
825 not reload a SPE symbol_ref into a lo_sum address.
827 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
829 PR debug/28063
830 * dwarf2out.c (prune_unused_types_prune): Move call to
831 prune_unused_types_update_strings to cover the parent DIE also.
833 2006-08-02 Jan Hubicka <jh@suse.cz>
835 PR gcov/profile/28480
836 * tree-cfg.c (change_bb_for_stmt): New function.
837 (tree_merge_blocks, tree_split_blocks): Use it.
839 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
841 PR c++/28250
842 PR c++/28257
843 PR c++/28259
844 PR c++/28267
845 * toplev.c (compile_file): Return early on errorcount or sorrycount.
846 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
847 (cgraph_optimize): Likewise.
849 2006-08-01 Stuart Hastings <stuart@apple.com>
851 * rtl.h (UINTVAL) New.
852 * config/rs6000/rs6000.c (SMALL_INT) Use it.
853 * testsuite/gcc.dg/20060801-1.c: New.
855 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
857 PR debug/23336
858 * c-typeck.c (build_external_type): Mark used enum types.
859 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
860 cfun also.
861 (gen_subprogram_die): Whitespace fix.
863 2006-08-01 Jan Hubicka <jh@suse.cz>
865 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
866 bitmap when not needed.
867 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
868 bitmaps.
870 2006-08-01 Dirk Mueller <dmueller@suse.de>
872 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
874 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
876 * Makefile.in: Revert part of previous patch:
877 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
878 and REGS_H.
880 2006-07-30 Eric Christopher <echristo@apple.com>
882 PR target/27543
883 * doc/extend.texi (i386 Variable Attributes): Add anchor.
884 (PowerPC Variable Attributes): New section.
886 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
888 PR target/28126 (partial fix)
889 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
891 2006-07-28 Jan Hubicka <jh@suse.cz>
893 PR rtl-optimization/28071
894 * cfgrtl.c (rtl_delete_block): Free regsets.
895 * flow.c (allocate_bb_life_data): Re-use regsets if available.
897 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
899 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
900 and variables used in dependencies.
902 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
904 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
905 %fs for -mcmodel=kernel.
906 (stack_tls_protect_test_di): Likewise.
908 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
910 * Makefile.in: Use mkinstalldirs.
912 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
914 PR driver/28437
915 * opts-common.c (prune_options): Skip joined switches.
917 2006-07-27 Jan Hubicka <jh@suse.cz>
919 PR rtl-optimization/28071
920 * cselib.c (cselib_process_insn): Don't remove useless values too
921 often for very large hashtables.
923 2006-07-27 Jan Hubicka <jh@suse.cz>
925 PR rtl-optimization/28071
926 * global.c (greg_obstack): New obstack.
927 (allocate_bb_info): Use it.
928 (free_bb_info): Likewise.
929 (modify_reg_pav): Likewise.
931 2006-07-27 Roger Sayle <roger@eyesopen.com>
933 * builtins.c (fold_fixed_mathfn): When long and long long are the
934 same size, canonicalize llceil*, llfloor*, llround* and llrint*
935 functions to their lceil*, lfloor*, lround* and lrint* forms.
937 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
939 PR gcc/28508
940 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
941 branch.
942 (rev_branch_insn): Likewise.
944 2006-07-27 Jan Hubicka <jh@suse.cz>
946 PR rtl-optimization/28071
947 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
948 (reg_set_in_bb, max_reg_computed): New static variables.
949 (regmove_optimize): Free the new array.
950 (fixup_match_1): Update call of reg_is_remote_constant_p.
952 2006-07-26 Jan Hubicka <jh@suse.cz>
954 PR tree-optimization/27882
955 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
956 and decl fields.
957 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
958 next pointer
959 (cgraph_analyze_compilation_unit): Likewise.
960 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
961 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
962 (cgraph_early_inlinine): Make order garbage collected.
963 * Makefile.in (gt-ipa-inline): New garbagecollected file.
965 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
967 * dbxout.c (output_types_sort): Add a comment.
968 (output_used_types): Free the VEC.
970 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
972 * function.c (reorder_fix_fragments): Delete.
973 (reorder_blocks): Don't call it.
974 (reorder_blocks_1): Put all subblocks under the origin block.
976 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
978 PR rtl-optimization/27907
979 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
980 FLOAT_TRUNCATE.
982 2006-07-25 Roger Sayle <roger@eyesopen.com>
984 PR middle-end/28473
985 * convert.c (convert_to_integer): When transforming (T)foo(x) into
986 bar(x) check that bar's result type can represent all the values of T.
988 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
990 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
992 2006-07-25 Nick Clifton <nickc@redhat.com>
994 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
995 size_lookup[] array.
996 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
997 (ggc_pch_count_object): Likewise.
998 (ggc_pch_alloc_object): Likewise.
999 (ggc_pch_write_object): Likewise.
1000 (init_ggc): Do not attempt to initialize entries in the
1001 size_lookup[] array for objects whose size is greater than than
1002 the length of the array.
1004 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1006 * dbxout.c (output_used_types_helper): Push queued types
1007 on a VEC.
1008 (output_types_sort): New.
1009 (output_used_types): Collect used types on a VEC and sort them
1010 before emission.
1012 2006-07-24 Richard Guenther <rguenther@suse.de>
1014 PR middle-end/28463
1015 * cgraph.c (cgraph_remove_node): Do not check if dumps
1016 are enabled.
1017 * cgraphunit.c (cgraph_optimize): Likewise.
1019 2006-07-24 Jan Hubicka <jh@suse.cz>
1021 PR rtl-optimization/28071
1022 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1023 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1024 splitting before first stmt.
1026 2006-07-24 Jan Hubicka <jh@suse.cz>
1028 PR rtl-optimization/28071
1029 * ipa-inline.c (update_caller_keys): Remove edges that
1030 are no longer inline candidates.
1032 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1034 PR debug/27473
1035 * dbxout.c (output_used_types_helper, output_used_types): New.
1036 (dbxout_symbol): Call output_used_types.
1038 2006-07-23 Jan Hubicka <jh@suse.cz>
1040 PR c/25795
1041 PR c++/27369
1042 * cgraph.c (cgraph_varpool_nodes): Export.
1043 (decide_is_variable_needed): Ignored "used" attribute in
1044 unit-at-a-time mode.
1045 * cgraph.h (cgraph_varpool_nodes): Declare.
1046 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1047 unit-at-a-time mode.
1049 2006-07-23 Roger Sayle <roger@eyesopen.com>
1051 PR target/28247
1052 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1053 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1054 the __gthrw form of thr_keycreate.
1055 (__gthread_key_delete): Silence the unused argument warning.
1057 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1059 PR debug/25468
1060 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1061 Cache the last found '\0' marker to avoid quadratic behavior.
1063 2006-07-23 Jan Hubicka <jh@suse.cz>
1065 * i386.md (subsi_3_zext): Fix output template.
1067 2006-07-21 Mike Stump <mrs@apple.com>
1069 * doc/invoke.texi (C++ Dialect Options): Note that
1070 -fvisibility-inlines-hidden doesn't affect explicitly
1071 instantiationed inline methods.
1073 2006-07-20 Roger Sayle <roger@eyesopen.com>
1075 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1076 if the target assembler is GNU binutils' gas.
1077 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1078 whether to pass GNU gas or native as command line options.
1080 2006-07-20 Jason Merrill <jason@redhat.com>
1082 * tree.c (remove_attribute): New fn.
1083 * tree.h: Declare it.
1085 2006-07-20 Paul Brook <paul@codesourcery.com>
1087 PR 27363
1088 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1089 they are invalidated by this instruction.
1091 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1093 PR target/28427
1094 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1096 2006-07-20 Eric Christopher <echristo@apple.com>
1098 PR target/26877
1099 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1101 2006-07-19 Eric Christopher <echristo@apple.com>
1103 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1104 Rewrite dependencies for libgcc_s.1.dylib.
1106 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1108 * except.c (duplicate_eh_regions_1): Clear next_peer.
1110 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1112 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1113 -mlongcall does not guarantee all calls will be long.
1114 * doc/extend.texi (long_call/short_call): Document that longcall
1115 does not guarantee a long call will be used.
1116 (longcall/shortcall): Likewise.
1118 2006-07-18 Roger Sayle <roger@eyesopen.com>
1120 PR middle-end/28283
1121 * expmed.c (expand_shift): Additionally check that the shift_cost
1122 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1123 before implementing a LSHIFT_EXPR as a sequence of additions.
1124 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1125 middle-end that DImode shifts need to be synthesized by expand.
1127 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1129 PR 28410
1130 * tree-ssa-operands.c (access_can_touch_variable): Update
1131 comment.
1132 Return true if ALIAS is .GLOBAL_VAR.
1134 2006-07-18 David Daney <ddaney@avtrex.com>
1136 * gcc.c (display_help): Fix typo in help text.
1138 2006-07-18 Olivier Hainque <hainque@adacore.com>
1140 * tree.h (categorize_ctor_elements): Adjust prototype and add
1141 descriptive comment, both in accordance with the interface change
1142 described below.
1143 * varasm.c (constructor_static_from_elts_p): New function.
1144 Whether a constructor node is a valid static constant initializer
1145 if all its elements are.
1146 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1147 * output.h: Declare it.
1148 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1149 is a valid constant initializer instead of computing the number of
1150 non-constant elements. Use constructor_static_from_elts_p for this
1151 purpose. Replace the head comment with an indication that this is a
1152 helper for categorize_ctor_elements.
1153 (categorize_ctor_elements): Same interface change as for the _1
1154 helper. Former head comment from this helper moved here, adjusted to
1155 account for the interface changes.
1156 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1157 (all_zeros_p): Likewise.
1158 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1159 static versions of the constructor from the categorize_ctor_elements
1160 return value instead of the formerly computed number of non-constant
1161 elements.
1163 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1165 * configure: Regenerate.
1166 * Makefile.in (build_libsubdir): New configure substitution
1167 (build_libobjdir): New variable.
1168 (BUILD_LIBIBERTY): Use it.
1170 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1172 PR c/28286
1173 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1175 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1177 PR c/26993
1178 * c-common.c (handle_weakref_attribute): Ignore attribute in
1179 the same conditions the alias attribute is ignored.
1181 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1183 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1184 (dbxout_begin_prologue): Increment scope_labelno.
1186 2006-07-17 Richard Henderson <rth@redhat.com>
1188 PR 27889
1189 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1190 if needed.
1192 2006-07-17 Roger Sayle <roger@eyesopen.com>
1193 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1195 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1196 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1197 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1198 functions such as sbrk, write, etc.. Add function prototypes.
1199 Convert function declarations from K&R to ISO C. Cast pointers
1200 to "long" and "unsigned long" instead of "int" and "unsigned int".
1201 Convert tokens following #endif into comments.
1203 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1205 * invoke.texi: Remove mention of f77; Reformat table for
1206 inline parameter options correctly; mention that -malign-double
1207 is default on x86-64 targets.
1209 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1211 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1212 (convert_affine_scev, chrec_convert_aggressive): Use
1213 avoid_arithmetics_in_type_p. Do not check for the subtypes
1214 separately.
1216 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1218 PR middle-end/28403
1219 * optabs.c (expand_doubleword_shift): Wrap the call to
1220 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1222 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1224 PR middle-end/28402
1225 * optabs.c (expand_binop): Pass next_methods rather than methods
1226 to expand_doubleword_shift.
1228 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1230 PR other/28251
1231 * tree.h (dump_addr): Declare.
1232 * print-tree.c (dump_addr): New function.
1233 (print_node_brief, print_node): Use it.
1234 * print-rtl.c (print_rtx): Likewise.
1235 * common.opt (-fdump-noaddr): New option.
1236 * doc/invoke.texi (-fdump-noaddr): Document.
1237 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1238 (ve_info_hash): Likewise.
1240 2006-07-13 Andrew Haley <aph@redhat.com>
1242 PR tree-optimization/19505
1243 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1244 edge leaving this block, make sure that the destination of this
1245 block has only one predecessor.
1247 2006-07-17 Richard Guenther <rguenther@suse.de>
1249 PR tree-optimization/28238
1250 * tree-inline.c (copy_bb): Check if we produced valid
1251 gimple copying and substituting a stmt. If not, gimplify
1252 it.
1254 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1256 * optabs.c (maybe_encapsulate_block): New function extracted from...
1257 (emit_libcall_block): ...here. Invoke it on the block of insns to
1258 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1259 (emit_no_conflict_block): Likewise.
1261 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1263 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1265 2006-07-15 Roger Sayle <roger@eyesopen.com>
1267 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1268 a new NOP_EXPR case of the switch statement.
1270 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1272 PR middle-end/28160
1273 * stor-layout.c (place_field): Take the bit field with
1274 an excessive size into account in the ms-bitfiled case.
1276 PR middle-end/28161
1277 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1278 the previous bit field.
1280 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1282 PR target/27287
1283 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1285 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1287 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1288 signal frames correctly even when the signal was installed with
1289 sa_restorer set.
1291 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1293 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1294 (dbxout_function_end): Use local label LFBB. Remove hook
1295 DBX_OUTPUT_NFUN.
1296 (dbxout_source_line): Use local label LFBB.
1297 (dbxout_block): Likewise.
1298 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1299 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1300 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1301 and DBX_OUTPUT_NFUN.
1303 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1305 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1307 2006-07-13 Jan Hubicka <jh@suse.cz>
1309 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1310 align_variable.
1311 * output.h (align_variable): Declare.
1312 * varasm.c (align_variable): Export.
1313 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1314 when basic block changed.
1316 2006-07-13 Nick Clifton <nickc@redhat.com>
1318 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1319 walking the LOG_LINKS chain.
1321 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1323 * doc/invoke.texi (C++ Dialect Options): Explain difference
1324 between -fvisibility-inlines-hidden and setting hidden
1325 visibility explicitly.
1327 2006-07-12 Eric Christopher <echristo@apple.com>
1329 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1330 (stmp-lipo): Depend on libgcc.a.
1332 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1334 * tree.c: Fix a comment typo.
1336 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1338 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1339 dest.
1340 (umulhisi3_r): Likewise.
1342 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1344 PR libstdc++/27878
1345 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1346 x < 19, vs wchar_t support.
1348 2006-07-12 Nick Clifton <nickc@redhat.com>
1350 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1351 instead of -isa=sh4.
1353 2006-07-12 Mike Stump <mrs@apple.com>
1355 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1357 2006-07-10 Eric Christopher <echristo@apple.com>
1359 * config/t-slibgcc-darwin: Rewrite.
1361 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1363 PR bootstrap/20437
1364 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1365 dependencies.
1367 2006-07-08 Matthias Klose <doko@debian.org>
1369 * doc/sourcebuild.texi: Fix typo.
1371 2006-07-07 Mike Stump <mrs@apple.com>
1373 * toplev.c (process_options): Don't give -ffunction-sections may
1374 affect debugging warning for Mach-O.
1376 2006-07-07 James E Wilson <wilson@specifix.com>
1378 * config/mips/mips.md (cpu): Add sb1a.
1379 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1380 addition to sb1. Adjust comments to clarify SB-1A differences from
1381 SB-1.
1382 (ir_sb1a_load): New. Modify bypasses to use it.
1383 (ir_sb1a_simple_alu): Likewise.
1384 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1385 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1386 (mips_issue_rate): Add PROCESSOR_SB1A.
1387 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1388 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1389 (TARGET_SB1): Add PROCESSOR_SB1A check.
1390 (TUNE_SB1): Likewise.
1392 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1393 * config/mips/mips.c (mips_store_data_bypass_p): New.
1394 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1395 store_data_bypass_p.
1397 2006-07-08 Paul Brook <paul@codesourcery.com>
1399 PR target/27991
1400 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1402 2006-07-07 Richard Guenther <rguenther@suse.de>
1404 PR middle-end/28268
1405 * tree.h (build_one_cst): Declare.
1406 * tree.c (build_one_cst): New function.
1407 * tree-ssa-math-opts.c (get_constant_one): Remove.
1408 (insert_reciprocals): Use build_one_cst.
1409 * fold-const.c (fold_plusminus_mult): Likewise.
1411 2006-07-07 Roger Sayle <roger@eyesopen.com>
1413 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1414 * cfgloopanal.c (dump_graph): Likewise.
1415 * dojump.c (discard_pending_stack_adjust): Likewise.
1416 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1417 Likewise.
1418 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1419 * function.c (finalize_block_changes): Likewise.
1420 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1421 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1422 * rtl.c (dump_rtx_statistics): Likewise.
1423 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1424 Likewise.
1425 * varray.c (dump_varray_statistics): Likewise.
1426 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1427 decode_decimal64, encode_decimal128, decode_decimal128,
1428 decimal_real_to_decimal): Likewise.
1430 2006-07-07 Richard Guenther <rguenther@suse.de>
1432 PR tree-optimization/28187
1433 * tree-vrp.c (vrp_operand_equal_p): New function.
1434 (vrp_bitmap_equal_p): Likewise.
1435 (update_value_range): Use them to compare old and new
1436 max and min values.
1438 2006-07-06 Roger Sayle <roger@eyesopen.com>
1440 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1441 a default case to switch statement to silence compiler warnings.
1443 2006-07-06 Roger Sayle <roger@eyesopen.com>
1445 PR target/27968
1446 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1447 the configured assembler supports the x87's ffreep mnemonic.
1448 * configure: Regenerate.
1449 * config.in: Regenerate.
1451 * config/i386/i386.c (output_387_ffreep): New function.
1452 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1453 (output_387_reg_move): Likewise.
1455 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1457 Port to hosts whose 'sort' and 'tail' implementations
1458 treat operands with leading '+' as file names, as POSIX
1459 has required since 2001. However, make sure the code still
1460 works on pre-POSIX hosts.
1461 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1462 which says you should use "tail -c +N" rather than "tail +Nc".
1463 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1465 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1467 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1468 argument name.
1470 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1472 PR target/28150
1473 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1474 PRE_{INC,DEC} of TFmode.
1476 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1477 Alan Modra <amodra@bigpond.net.au>
1479 PR target/28170
1480 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1481 bounds. Simplify.
1483 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1485 PR target/28285
1486 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1487 Remove duplicate gtu.
1489 2006-07-05 Jason Merrill <jason@redhat.com>
1491 PR c++/13983
1492 PR c++/17519
1493 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1494 * c-common.c (handle_packed_attribute): So don't copy it here.
1495 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1497 2006-07-05 Mike Stump <mrs@apple.com>
1499 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1501 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1503 PR target/26146
1504 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1506 2006-07-05 Richard Guenther <rguenther@suse.de>
1508 PR target/28158
1509 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1510 TARGET_SSE2 targets if using SSE math.
1511 (*absdf2_1): Likewise.
1513 2006-07-05 Richard Guenther <rguenther@suse.de>
1515 PR tree-optimization/28162
1516 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1517 make sure to convert the operands to the correct type.
1519 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1521 PR tree-optimization/28218
1523 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1524 to calculate and free the dominator information.
1526 2006-07-04 Peter O'Gorman <peter@pogma.com>
1528 * mklibgcc.in: chmod 644 before ranlib during install.
1530 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1531 J"orn Rennecke <joern.rennecke@st.com>
1533 * configure.ac (.eh_frame data check): Use diff -b.
1535 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1537 PR bootstrap/18058
1538 * Makefile.in (BUILD_RTL): Add build/vec.o.
1539 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1540 (build/genextract): Delete.
1541 (build/genautomata): Likewise.
1543 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1545 PR target/28207
1546 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1547 128-bit IBM long doubles for ABI_V4.
1549 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1551 * tree.c (range_in_array_bounds_p): New predicate.
1552 * tree.h (range_in_array_bounds_p): Declare it.
1553 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1554 return a less conservative answer.
1555 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1556 and flag 'is_group'.
1557 (IS_ELEMENT_FOR_GROUP): New macro.
1558 (FOR_EACH_ACTUAL_CHILD): Likewise.
1559 (next_child_for_group): New helper function.
1560 (can_completely_scalarize_p): Take into account groups.
1561 (sra_hash_tree): Handle RANGE_EXPR.
1562 (sra_elt_eq): Likewise.
1563 (lookup_element): Be prepared for handling groups.
1564 (is_valid_const_index): Delete.
1565 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1566 instead of is_valid_const_index.
1567 <ARRAY_RANGE_REF>: New case.
1568 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1569 is_valid_const_index.
1570 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1571 (scan_dump): Dump info for groups too.
1572 (decide_instantiation_1): Likewise.
1573 (decide_block_copy): Assert that the element is not a group.
1574 Propagate decision to groups.
1575 (generate_one_element_ref): Handle RANGE_EXPR.
1576 (mark_no_warning): Iterate over actual childs.
1577 (generate_copy_inout): Likewise.
1578 (generate_element_copy): Likewise.
1579 (generate_element_zero): Likewise.
1580 (generate_element_init_1): Likewise.
1581 (dump_sra_elt_name): Handle RANGE_EXPR.
1583 2006-07-03 Roger Sayle <roger@eyesopen.com>
1585 PR tree-optimization/26251
1586 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1587 (thread_block): When optimizing for size refuse to thread jumps
1588 that would require duplication of blocks other than redirection
1589 blocks.
1591 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1593 * configure.ac: Fix thinko in previous check-in.
1594 * configure: Regenerate.
1596 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1598 PR other/27063
1599 * configure.ac (for lang...): Simplify nesting of conditionals.
1600 Test subdir_requires for non-enabled languages. Move processing
1601 of lang_opt_files and lang_tree_fiels below that test.
1602 * configure: Regenerate.
1603 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1605 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1607 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1609 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1611 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1612 comment typos.
1614 2006-06-29 Jason Merrill <jason@redhat.com>
1616 PR c++/26905
1617 PR c++/26612
1618 PR c++/27000
1619 PR c++/26984
1620 PR c++/19134
1621 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1622 * c-common.c (c_determine_visibility): Handle it here.
1623 * c-decl.c (finish_decl): Call c_determine_visibility for
1624 functions, too.
1625 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1626 * tree.h: Likewise.
1627 * varasm.c (default_assemble_visibility): Likewise.
1628 * c-common.c (handle_visibility_attribute): Complain about trying
1629 to give visibility to an already defined class, or trying to change
1630 declared visibility. Always attach the attribute.
1632 PR c++/26905
1633 PR c++/21675
1634 PR c++/17470
1635 * attribs.c (decl_attributes): Ignore type-in-place attributes
1636 once the type has been defined.
1638 2006-06-29 Roger Sayle <roger@eyesopen.com>
1640 PR middle-end/27428
1641 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1642 to indicate the cpplib has issued an error message for us.
1644 2006-06-29 Asher Langton <langton2@llnl.gov>
1646 PR target/25765
1647 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1648 insert a label at the end of an function under Mach-O.
1650 2006-06-29 Eric Christopher <echristo@apple.com>
1651 Evan Cheng <evan.cheng@apple.com>
1653 * predicates.md (vector_all_ones_operand): New.
1654 (nonimmediate_or_sse_const_operand): Ditto.
1655 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1656 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1657 (standard_sse_mode_p): Ditto.
1658 (standard_sse_constant_p): Add case for -1 vector.
1659 (ix86_expand_vector_move): Try to use.
1660 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1661 Call standard_sse_constant_opcode.
1662 (*movv4sf_internal): Ditto.
1663 (*movv2df_internal): Ditto.
1665 2006-06-29 Roger Sayle <roger@eyesopen.com>
1667 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1668 of XEXP to extract the operands of a MATCH_CODE rtx.
1670 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1672 * tree.c (tree_size): Do not waste tail padding in
1673 struct tree_string and make the size be the same as
1674 build_string will generate.
1676 2006-06-28 Jason Merrill <jason@redhat.com>
1678 PR c++/27768
1679 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1680 may_aliases already in the tag's annotations to the bitmap.
1682 2006-06-28 Roger Sayle <roger@eyesopen.com>
1684 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1686 2006-06-28 Roger Sayle <roger@eyesopen.com>
1688 * genpreds.c (generate_switch_p): New function.
1689 (add_mode_tests): Push the new mode test down inside an AND expr
1690 if this allows the switch-suitable MATCH_CODE to be near the root.
1691 (write_match_code_switch): New function to write a MATCH_CODE as
1692 a switch statement.
1693 (write_predicate_stmts): New function to write a predicate RTX
1694 expression as a sequence of statements.
1695 (write_one_predicate_function): Use write_predicate_stmts.
1696 (write_tm_constrs_h): Likewise.
1698 2006-06-26 Fred Fish <fnf@specifix.com>
1700 * config/mips/t-sb1: New file.
1701 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1702 tmake_file list.
1704 2006-06-26 DJ Delorie <dj@redhat.com>
1706 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1708 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1709 Jayant Sonar <jayants@kpitcummins.com>
1710 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1712 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1713 (subsi3, subsi3_1, subsi3_2): New.
1714 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1715 * config/m32c/mov.md (SI mov peephole): New.
1716 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1717 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1719 2006-06-26 Olivier Hainque <hainque@adacore.com>
1721 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1722 a CALL_EXPR target function declaration.
1724 2006-06-26 Richard Guenther <rguenther@suse.de>
1726 * tree.c (build_string): Do not waste tail padding in
1727 struct tree_string.
1729 2006-06-26 Richard Guenther <rguenther@suse.de>
1731 * ggc-page.c (init_ggc): Add missing element to size_lookup
1732 table.
1734 Revert
1735 2006-06-23 Richard Guenther <rguenther@suse.de>
1737 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1738 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1739 alignment requests instead. Add verification code.
1740 Add struct tree_function_decl and struct tree_binfo size to
1741 extra_order_size_table. Add missing element to size_lookup
1742 table.
1744 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1746 PR middle-end/28151
1747 * fold-const.c (const_binop): Be prepared for self returning zero.
1748 Simplify code handling complex values.
1750 2006-06-24 Olivier Hainque <hainque@adacore.com>
1752 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1753 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1754 aggregate types.
1756 2006-06-24 Olivier Hainque <hainque@adacore.com>
1758 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1759 ARRAY_REF, so have the callback called for the low bound expression.
1761 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1763 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1764 * c-typeck.c (c_common_type): Disallow operations on decimal float
1765 types and other float types.
1766 * convert.c (convert_to_real): Don't ignore conversions involving
1767 decimal float types.
1769 2006-06-23 Olivier Hainque <hainque@adacore.com>
1771 * tree.c (max_int_size_in_bytes): New function, inspired from
1772 code in function.c:assign_temp.
1773 * tree.h (max_int_size_in_bytes): Declare.
1774 * function.c (assign_temp): Use it.
1775 * gimplify.c (create_tmp_var): Relax the assertions on the type
1776 properties, not mandating constant size any more.
1777 (force_constant_size): New static function.
1778 (gimple_add_tmp_var): Use it, forcing variable size to a
1779 constant upper bound if it is not constant on entry.
1781 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1783 PR target/27789
1784 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1785 for initialization and setting of one_only flag to ...
1786 (i386_pe_encode_section_info): ...here.
1787 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1788 Recheck that the symbol has not been defined.
1790 2006-06-23 Richard Guenther <rguenther@suse.de>
1792 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1793 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1794 alignment requests instead. Add verification code.
1795 Add struct tree_function_decl and struct tree_binfo size to
1796 extra_order_size_table. Add missing element to size_lookup
1797 table.
1799 2006-06-22 Roger Sayle <roger@eyesopen.com>
1800 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1802 PR middle-end/28131
1803 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1804 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1806 2006-06-23 Ben Elliston <bje@au.ibm.com>
1808 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1809 negate dn -- manipulate it directly.
1811 2006-06-22 Roger Sayle <roger@eyesopen.com>
1812 Steven Bosscher <stevenb.gcc@gmail.com>
1814 PR target/27531
1815 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1816 generated by gen_move_insn to add REG_LABEL notes if necessary.
1818 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1820 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1821 (leaf_entry): Remove use of MIN_ESA.
1823 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1825 PR rtl-optimization/28121
1826 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1827 the entry edge.
1829 2006-06-21 DJ Delorie <dj@redhat.com>
1831 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1832 (TN-16C-A156A/E).
1833 (mulhisi3_r): Likewise.
1835 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1837 PR middle-end/28034
1838 * coverage.c (coverage_counter_alloc): Leave the index type
1839 unspecified.
1840 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1841 of the ARRAY_REF.
1843 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1845 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1846 section from the "Options for Code Generation Conventions".
1848 2006-06-21 Richard Henderson <rth@redhat.com>
1850 PR target/26347
1851 PR target/27082
1852 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1853 symbols.
1854 (global_symbolic_operand): Allow weak symbols, even if local_p.
1856 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1858 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1859 (find_interesting_uses_address): Punt if above function returns true.
1861 2006-06-21 Richard Guenther <rguenther@suse.de>
1863 * configure: Regenerated.
1865 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1867 * config/mips/mips.c (function_arg): Where one part of a
1868 complex argument is in registers and the other part in the stack,
1869 return a REG not a PARALLEL.
1871 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1873 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1874 when cross-compiling. Do not substitute libstdcxx_incdir.
1875 * configure: Regenerated.
1877 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1879 * varasm.c (mergeable_string_section): Check for embedded NULs and
1880 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1881 rather than TREE_STRING_LENGTH bytes.
1883 2006-06-21 Richard Guenther <rguenther@suse.de>
1885 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1886 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1887 sizes.
1889 2006-06-21 Richrad Guenther <rguenther@suse.de>
1891 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1892 Limit iteration over the dominators.
1894 2006-06-20 Roger Sayle <roger@eyesopen.com>
1896 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1897 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1899 2006-06-20 Richard Guenther <rguenther@suse.de>
1900 Michael Matz <matz@suse.de>
1902 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1903 function.
1904 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1905 * et-forest.h (et_free_pools): Prototype new function.
1906 * et-forest.c (et_free_tree_force): Free parent occurrence.
1907 (et_free_pools): New function.
1908 * dominance.c (free_dominance_info): Free et-forest alloc
1909 pools.
1911 2006-06-20 Roger Sayle <roger@eyesopen.com>
1913 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1914 integer modes, attempt to directly construct an integer constant.
1916 * fold-const.c (native_encode_vector): Determine the size of each
1917 element from the vector type instead of the first vector element.
1919 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1920 if all of its elements/components are constant.
1921 (build_constructor_from_list): Likewise.
1923 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1925 PR tree-optimization/27331
1926 * tree-data-ref.c (free_data_ref): New function.
1927 (create_data_ref): Fail if the data reference has unknown access
1928 function.
1929 (free_data_refs): Use free_data_ref.
1931 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1933 PR middle-end/28075
1934 * tree-inline.c (setup_one_parameter): Strip useless
1935 type conversion before adding it to the IR.
1936 (declare_return_variable): Likewise.
1938 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1940 PR c/27149
1941 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1943 2006-06-19 Mike Stump <mrs@apple.com>
1945 * tree.c (variably_modified_type_p): VM arguments don't make the
1946 type a VM type.
1948 2006-06-19 Richard Guenther <rguenther@suse.de>
1950 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1951 type conversions after folding.
1953 2006-06-19 Richard Guenther <rguenther@suse.de>
1955 * ggc-page.c (extra_order_size_tab): Add entries with
1956 size of struct function and basic_block.
1957 (size_lookup): Extend to cover sizes up to 511.
1958 (ggc_alloc_stat): Adjust user.
1959 (ggc_pch_count_object): Likewise.
1960 (ggc_pch_alloc_object): Likewise.
1961 (ggc_pch_write_object): Likewise.
1963 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1965 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1966 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1967 correctly.
1969 2006-06-19 Denis Chertykov <denisc@overta.ru>
1971 * config/avr/libgcc.S : Correct my wrong previous commit.
1973 2006-06-19 Roger Sayle <roger@eyesopen.com>
1975 PR target/27861
1976 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1977 have stripped a SUBREG from the shift count, so we may need to
1978 convert_to_mode back to the type's mode before calling make_tree.
1979 Use new_amount instead of amount to avoid expanding a tree twice.
1981 2006-06-19 Richard Guenther <rguenther@suse.de>
1983 PR middle-end/28045
1984 * fold-const.c (operand_equal_p): Check if the argument types
1985 have the same precision before stripping NOPs.
1987 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1989 Fix PR tree-optimization/27341
1990 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1991 statement we get.
1992 * tree-complex.c (pass_lower_complex): Update SMT usage.
1994 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1996 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1997 Add a new alternative to the constraint strings. Add move of
1998 operand 1 to 3 to the splitter definition.
1999 ("doloop_si_long"): Second contraint alternative removed.
2001 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2003 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2004 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2005 __AVR_HAVE_LPMX__.
2006 (AVR_HAVE_MOVW) Define.
2007 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2008 (ASM_SPEC): Add avr25.
2009 (LINK_SPEC): Add avr25.
2010 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2011 (base_arch_s): Add new member 'have_movw_lpmx'.
2012 (avr_arch_types): Init 'have_movw_lpmx'.
2013 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2014 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2015 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2016 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2017 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2018 AVR_HAVE_MOVW.
2019 (avr_file_start): Do not output '.arh' derective.
2020 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2021 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2022 * config/avr/avr.md (mcu_enhanced): Delete.
2023 (mcu_have_movw): Define.
2024 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2025 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2026 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2027 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2028 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2029 attiny861 and at86rf401 devices.
2031 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2033 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2034 of 4096.
2036 2006-06-17 Karl Berry <karl@gnu.org>
2038 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2039 doc/gccint.texi, doc/install.texi (@dircategory): Use
2040 "Software development" instead of "Programming", following
2041 the Free Software Directory.
2043 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2045 * config/i386/i386.c (legitimate_tls_address)
2046 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2047 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2048 (*tls_dynamic_gnu2_combine_64): Likewise.
2050 2006-06-16 Richard Guenther <rguenther@suse.de>
2052 PR middle-end/27116
2053 * fold-const.c (negate_expr_p): Do not introduce undefined
2054 overflow in negating INTEGER_CSTs.
2055 (fold_negate_expr): Rename from negate_expr. Revert last
2056 change for folding BIT_NOT_EXPR. Change semantics to
2057 return NULL_TREE for non-simplified negations. Do not
2058 strip type conversions and unify type handling.
2059 (negate_expr): New function, wrap around fold_negate_expr
2060 but ensure building a tree always. Strip type conversions
2061 here, fold to result type.
2062 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2064 2006-06-16 Roger Sayle <roger@eyesopen.com>
2066 PR middle-end/27802
2067 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2068 that (would) return their results in stack registers.
2070 2006-06-16 Michael Matz <matz@suse.de>
2071 Richard Guenther <rguenther@suse.de>
2073 * fold-const.c (fold_truthop): Only return new tree node if
2074 we canonicalized something.
2076 2006-06-16 Richard Guenther <rguenther@suse.de>
2078 * function.h (enum function_frequency): Move declaration
2079 out of struct function.
2080 (struct function): Move bool fields and the enum to the bitfield
2081 section. Reorder elements to avoid padding. Remove unused
2082 fields left over from the RTL inliner removal.
2083 * function.c (free_after_compilation): Do not zero removed fields.
2084 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2085 (ipa-type-escape.o): Likewise.
2087 2006-06-16 Richard Guenther <rguenther@suse.de>
2089 * cgraph.h (struct cgraph_local_info): Turn bool elements
2090 into a bitfield.
2091 (struct cgraph_node): Likewise.
2092 (struct cgraph_varpool_node): Likewise.
2094 2006-06-15 Richard Guenther <rguenther@suse.de>
2096 * fold-const.c (fold_truth_not_expr): Rename from
2097 invert_truthvalue. Give it fold_* semantics to avoid
2098 generating garbage.
2099 (invert_truthvalue): New function. Wrapper around
2100 fold_truth_not_expr.
2101 (optimize_minmax_comparison): Avoid creating garbage.
2102 (fold_unary): Use fold_truth_not_expr for folding
2103 TRUTH_NOT_EXPR.
2104 (fold_ternary): Replace uses of invert_truthvalue with
2105 fold_truth_not_expr where applicable.
2106 * tree.h (fold_truth_not_expr): Prototype.
2108 2006-06-16 Richard Guenther <rguenther@suse.de>
2110 PR tree-optimization/27781
2111 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2112 * ipa-pure-const.c (target.h): Include.
2113 (analyze_function): Do not analyze functions that do not
2114 bind locally.
2116 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2118 PR middle-end/27793
2119 * tree-dfa.c (referenced_vars_dup_list): Remove.
2120 (find_referenced_vars): Remove assert.
2121 (referenced_var_check_and_insert): Replace dup list with assert.
2122 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2123 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2125 2006-06-15 Richard Guenther <rguenther@suse.de>
2127 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2128 extra unused identifiers if not dumping.
2129 (create_variable_info_for): Likewise.
2131 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2133 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2134 (derive_constant_upper_bound): Derive more precise upper bound in
2135 common cases. Return type changed to double_int.
2136 (record_estimate): Reflect the changed return type of
2137 derive_constant_upper_bound.
2138 * double-int.c (double_int_zext, double_int_sext): Fix.
2140 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2142 * configure.ac (CFLAGS): Get them from the toplevel or from the
2143 configure invocation.
2144 * configure: Regenerate.
2145 * Makefile.in (CFLAGS): Substitute value provided by configure.
2147 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2149 PR c++/26559
2150 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2151 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2152 rather than calling add_stmt on it.
2153 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2155 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2157 PR middle-end/27959
2158 * reload1.c (reload): Remove registers returned by update_eliminables
2159 from used_spill_regs.
2161 2006-06-13 DJ Delorie <dj@redhat.com>
2163 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2165 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2167 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2168 html__strip_dir, html__mkdir_p. Enhance install-html target.
2169 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2170 * configure: Regenerate.
2172 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2174 * fold-const.c (fold_cond_expr_with_comparison): Check for
2175 Objective-C++ as language in deciding COND_EXPR transformation.
2177 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2179 PR target/28014:
2180 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2181 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2182 * config/sh/lib1funcs.h (SL, SL1): Define.
2183 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2184 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2185 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2186 (OBJS_Os_4_200): New variable.
2187 ($(T)libgcc-Os-4-200.a): Use it.
2188 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2189 when dividing 1 and/or by 0.
2191 2006-06-13 Roger Sayle <roger@eyesopen.com>
2193 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2194 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2195 * configure: Regenerate.
2197 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2199 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2200 for real instruction.
2202 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2204 PR middle-end/26807
2205 * haifa-sched.c (check_cfg): Handle special case.
2207 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2209 PR debug/26754
2210 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2211 Add debug_info parameter. Chain the vars to the BLOCK instead
2212 of the BIND_EXPR if debug info are requested for them.
2213 (pop_gimplify_context): Adjust for above change.
2214 (gimple_add_tmp_var): Likewise.
2215 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2216 Add bool parameter.
2217 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2218 (convert_local_reference): Likewise.
2219 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2220 (finalize_nesting_tree_1): Request that debug info be emitted
2221 for debug_var_chain.
2223 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2225 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2226 for PR target/27863.
2228 2006-06-13 Richard Guenther <rguenther@suse.de>
2230 PR middle-end/27536
2231 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2233 2006-06-13 Richard Guenther <rguenther@suse.de>
2235 PR tree-optimization/27830
2236 * tree-inline.c (copy_body_r): For copying the operand
2237 of an ADDR_EXPR make sure to fold &* afterwards.
2239 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2241 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2242 lvalues in the fb_none case with side-effects.
2244 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2246 * tree-flow.h: Remove the prototype for
2247 compute_phi_arg_on_exit.
2248 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2249 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2250 Remove.
2252 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2254 * builtins.c (expand_builtin_return_addr): Only use
2255 frame_pointer_rtx when count == 0 and we are expanding
2256 __builtin_return_address.
2258 2006-06-12 Fred Fish <fnf@specifix.com>
2260 * config/mips/mips.c (mips_file_start): Create special section
2261 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2263 2006-06-11 Eric Christopher <echristo@apple.com>
2265 PR middle-end/27948
2266 * stor-layout.c (place_field): Remove check for
2267 remaining_in_alignment when aligning at the end of a run.
2269 2006-06-11 Eric Christopher <echristo@apple.com>
2271 PR 27542
2272 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2273 pragma.
2275 2006-06-11 Roger Sayle <roger@eyesopen.com>
2277 PR target/27858
2278 Revert incorrect fix for PR target/27158
2279 2006-05-08 Roger Sayle <roger@eyesopen.com>
2280 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2281 of a reg_equiv_constant if the result is a legitimate constant.
2283 2006-06-11 Roger Sayle <roger@eyesopen.com>
2285 PR target/27158
2286 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2287 extract a CONST_VECTOR element and interpret it as an integer.
2288 (vspltis_constant): Use const_vector_elt_as_int instead of the
2289 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2290 * config/rs6000/predicates.md (easy_vector_const): Consider
2291 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2293 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2295 PR middle-end/27942
2296 * stor-layout.c (update_alignment_for_field): Don't add extra
2297 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2298 code.
2300 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2302 * config/mips/t-rtems: Add EL/EB multilib variants.
2304 2006-06-09 Mike Stump <mrs@apple.com>
2306 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2308 2006-06-09 David Daney <ddaney@avtrex.com>
2310 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2312 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2314 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2316 2006-06-09 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/26998
2319 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2320 of signed types, only TYPE_MIN_VALUE is special, but for both,
2321 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2322 in this case, as is -fwrapv.
2324 2006-06-08 Mike Stump <mrs@apple.com>
2326 PR target/26427
2327 * config/darwin.c (darwin_asm_output_anchor): Disable
2328 -fsection-anchors on darwin for now.
2329 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2330 * rs6000/rs6000.c (optimization_options): Likewise.
2332 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2334 PR target/27421
2335 * config/i386/i386.c (classify_argument): Skip fields with invalid
2336 types in unions.
2338 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2340 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2341 (cse_insn): Likewise for the stack_pointer_rtx.
2343 2006-06-08 Roger Sayle <roger@eyesopen.com>
2345 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2346 conditions from floating point comparisons.
2348 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2350 PR middle-end/27733
2351 * expmed.c (struct alg_hash_entry): Fix type of field T
2352 to match synth_mult argument.
2353 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2355 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2357 PR target/27863
2358 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2359 block boundaries.
2361 2006-06-08 Richard Guenther <rguenther@suse.de>
2363 PR middle-end/27116
2364 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2365 only, if overflow is defined and not trapping.
2366 (negate_expr): Likewise.
2368 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2370 PR tree-optimization/27872
2371 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2372 flag on the new exit edge of the unrolled loop.
2374 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2376 PR rtl-optimization/26449
2377 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2379 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2381 PR middle-end/27793
2382 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2383 referenced_variables with matching DECL_UID's.
2384 (find_referenced_vars): Make sure duplicate list is empty to start.
2385 (referenced_var_p): Remove.
2386 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2387 Check if var is in the list, and add if needed. Update the duplicate
2388 list if a different var is in the list with the same DECL_UID.
2389 (add_referenced_var): Call routine to check and insert.
2390 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2391 * tree-flow.h (referenced_vars_dup_list): External declaration.
2393 2006-06-07 Fred Fish <fnf@specifix.com>
2395 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2396 into single entry.
2398 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2400 PR target/27390
2401 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2402 the imaginary and real parts of a clobbered register.
2403 Emit insn to set the imaginary part.
2405 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2407 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2408 in lieu of unwind-dw2-fde.c.
2410 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2412 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2414 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2416 PR target/27842
2417 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2418 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2419 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2420 V4SImode temporaries and operations instead.
2422 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2424 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2425 dp-bit.c.
2427 2006-06-06 Mike Stump <mrs@apple.com>
2429 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2430 installing during build.
2432 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2434 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2435 value to 0.
2436 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2437 * config/ia64/ia64.c (params.h): New header.
2438 (ia64_optimization_options): New function to adjust parameters.
2439 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2440 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2441 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2443 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2445 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2447 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2449 PR target/27051
2450 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2452 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2453 Victor Kaplansky <victork@il.ibm.com>
2455 PR tree-optimization/26360
2456 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2457 stmts.
2459 2006-06-04 Roger Sayle <roger@eyesopen.com>
2460 Andrew Pinski <pinskia@physics.uc.edu>
2462 PR middle-end/27382
2463 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2464 for LABEL_DECL before calling DECL_WEAK.
2466 PR c/27150
2467 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2468 LABEL_DECL and PARM_DECL.
2470 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2472 PR c/25161
2473 PR c/27020
2474 * c-decl.c (grokdeclarator): Disallow variably modified types at
2475 file scope. Avoid marking shared array type of constant size as
2476 VLA.
2478 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2480 PR c++/27601
2481 * c-common.c (fold_offsetof_1): Handle static members.
2483 2006-06-04 Eric Christopher <echristo@apple.com>
2485 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2486 (debug_rli): Output value for remaining_in_alignment.
2487 (update_alignment_for_field): Unconditionalize
2488 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2489 extra alignment code.
2490 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2491 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2492 * tree.h (record_layout_info_s): Remove prev_packed.
2493 * doc/extend.texi (ms_struct): Add documentation of format.
2495 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2497 * tree.h: Declare folding_initializer.
2498 * builtins.c (fold_builtin_constant_p): Give definite answer
2499 if folding inside an initializer.
2500 * fold-const.c: Define folding_initializer.
2501 (START_FOLD_INIT): Save and then set folding_initializer.
2502 (END_FOLD_INIT): Restore folding_initializer.
2504 2006-06-04 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/27039
2507 * fold-const.c (fold_comparison): Handle pointer comparison
2508 again for all comparison codes. Compare offsets in signed
2509 size type.
2510 (fold_binary): Move code from here.
2512 2006-06-03 Roger Sayle <roger@eyesopen.com>
2514 PR target/26223
2515 * config/i386/i386.c (construct_container): Split static issued_error
2516 flag into issued_sse_arg_error, issued_sse_ret_error and
2517 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2518 requires the use of x87 registers and the user explicitly
2519 specified the -mno-80387 command line option.
2521 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2523 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2524 HAVE_DECL_SIGALTSTACK.
2525 (MC_FLD): New.
2526 (segv_handler): Use MC_FLD.
2527 * configure.ac: Check for a sigaltstack declaration.
2528 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2529 * configure: Regenerate.
2530 * config.in: Regenerate.
2532 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2534 PR other/27850
2535 * Makefile.in (stmp-fixinc): Fix typo.
2537 2006-06-02 Roger Sayle <roger@eyesopen.com>
2539 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2540 are type correct. Clean-up.
2541 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2542 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2544 2006-06-01 DJ Delorie <dj@redhat.com>
2546 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2547 shift, as we've disabled the "switch" insn that needs it.
2549 2006-06-01 Per Bothner <bothner@bothner.com>
2551 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2552 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2553 * c-ppoutput.c (cb_define): Don't increment line 0.
2555 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2557 * doc/invoke.texi: Add cpu_type power6.
2558 * config.gcc: Add cpu_type power6.
2559 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2560 to power5+ with Altivec.
2561 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2562 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2564 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2566 * config/avr/avr.h (SET_ASM_OP): Define.
2568 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2570 * config/bfin/bfin.c: Fix comment typos.
2572 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2574 PR 25453
2575 * doc/install.texi: Document --enable-bootstrap and
2576 --disable-bootstrap.
2578 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2580 * doc/install.texi: Document that InfoZIP can replace jar.
2582 2006-05-31 Roger Sayle <roger@eyesopen.com>
2584 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2585 isn't available, directly generate the simpler x87 patterns without
2586 the (use (const_int 0)).
2587 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2588 implementation isn't available.
2589 (*negdf2_1): Likewise.
2590 (*negxf2_1): XF mode negation is always done using the x87.
2591 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2593 2006-05-31 Roger Sayle <roger@eyesopen.com>
2595 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2596 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2597 cabs(z).
2598 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2600 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2602 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2603 * config/bfin/bfin.c (basic-block.h): Include.
2604 (struct machine_function): New.
2605 (bfin_init_machine_status): New.
2606 (override_options): Initialize init_machine_status.
2607 (bfin_hardware_loop): New.
2608 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2609 (DEF_VEC_P (loop_info)): New.
2610 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2611 (struct loop_info): New.
2612 (loop_info): New typedef.
2613 (struct loop_work): New.
2614 (loop_work): New typedef.
2615 (DEF_VEC_O (loop_work)): New.
2616 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2617 (bfin_dump_loops): New.
2618 (bfin_bb_in_loop): New.
2619 (bfin_scan_loop): New.
2620 (bfin_optimize_loop): New.
2621 (bfin_reorg_loops): New.
2622 (bfin_reorg): Use bfin_reorg_loops.
2623 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2624 loop registers.
2625 (I_REGNO_P): Simplify.
2626 (DP_REGNO_P, DPREG_P): New macros.
2627 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2628 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2629 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2630 Add LT_REGS, LC_REGS, LB_REGS.
2631 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2632 'l' for LB_REGS.
2633 (REGNO_REG_CLASS): Deal with loop registers.
2634 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2635 letters.
2636 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2637 New constants for loop registers.
2638 (UNSPEC_LSETUP_END): New.
2639 (seq_insns): New define_attr. Set it for appropriate insns.
2640 (movsi_insn): Add alternatives for move from/to
2641 loop count registers.
2642 (doloop_end): New define_expand.
2643 (loop_end): New define_insn.
2644 (define_split for bad doloop_end): New.
2645 (lsetup_with_autoinit): New define_insn.
2646 (lsetup_without_autoinit): New define_insn.
2647 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2648 * config/bfin/predicates.md (lc_register_operand): New.
2649 (lt_register_operand): New.
2650 (lb_register_operand): New.
2651 (nondp_register_operand): New.
2652 (nondp_reg_or_memory_operand): New.
2653 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2655 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2657 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2658 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2660 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2662 * Makefile.in (CATALOGS): Add po/ prefix.
2663 * configure: Regenerated.
2665 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2667 PR target/27829
2668 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2669 a shift operand before calling shift_op. Avoid redundant call of
2670 shift_op.
2672 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2673 DJ Delorie <dj@redhat.com>
2675 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2676 we're inserting is a singlt-bit constant.
2678 2006-05-30 Roger Sayle <roger@eyesopen.com>
2680 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2681 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2683 2006-05-30 Roger Sayle <roger@eyesopen.com>
2685 PR tree-optimization/23452
2686 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2687 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2688 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2689 complex values and with -ffast-math for FP complex values.
2691 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2693 * c-common.h: Remove the prototype for yyparse.
2694 * rtl.h: Remove the prototype for init_loop.
2696 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2698 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2699 calling recog.
2701 2006-05-30 Roger Sayle <roger@eyesopen.com>
2703 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2704 and rotate cases.
2705 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2706 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2708 2006-05-30 Dirk Mueller <dmueller@suse.de>
2710 PR c/27273
2711 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2712 for CONSTANT_CLASS_P expresisons.
2714 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2716 PR c/27718
2717 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2719 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2721 PR tree-optimization/27779
2722 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2723 initial_condition instead of CHREC_LEFT.
2725 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2727 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2728 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2729 Make prototypes ISO C90.
2731 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2732 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2734 * see.c (see_analyze_one_def): Correct check.
2735 (see_get_extension_data): Check if extension is parallel.
2736 (see_get_extension_reg): Likewise.
2738 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2740 PR target/27790
2741 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2742 into register for (code == GTU).
2744 2006-05-29 Roger Sayle <roger@eyesopen.com>
2746 PR tree-optimization/24964
2747 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2748 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2749 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2750 abs(x)*abs(x) as x*x for scalar floating point modes.
2752 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2754 PR middle-end/27745
2755 * lambda-code.c (perfect_nestify): Don't copy statements
2756 in the inner loop: move them to the inner loop header.
2758 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2760 PR 26237
2761 * c-tree.texi: Document OpenMP directives and clauses.
2763 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2765 * varasm.c (globalize_decl): Fix indentation.
2767 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2769 PR 26242
2770 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2771 pass_fre, pass_store_ccp, pass_copy_prop,
2772 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2773 pass_return_slot, pass_object_size, pass_lim,
2774 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2775 pass_loop_prefetch and pass_stdarg.
2777 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2779 * config/bfin/bfin.opt (mfdpic): New option.
2780 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2781 (EXTRA_MULTILIB_PARTS): Likewise.
2782 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2783 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2784 multilib.
2785 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2786 (CRT_CALL_STATIC_FUNCTION): New.
2787 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2788 -shared.
2789 (CRT_CALL_STATIC_FUNCTION): New.
2790 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2791 FD-PIC moves.
2792 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2793 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2794 (initialize_trampoline): Changed to handle FD-PIC code generation.
2795 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2796 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2797 (override_options): Disallow -mid-shared-library -mfdpic combination.
2798 Can't do unaligned ops if FD-PIC.
2799 Turn off flag_pic if trying to generate non-id-shared-library
2800 non-fdpic code, since it's not supported.
2801 (bfin_assemble_integer): New function.
2802 (TARGET_ASM_INTEGER): Define.
2803 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2804 __BFIN_FDPIC__.
2805 * config/bfin/crtn.s: Restore them.
2806 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2807 if TARGET_FDPIC.
2808 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2809 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2810 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2811 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2812 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2813 call-used.
2814 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2815 FDPIC_REGS and FDPIC_FPTR_REGS.
2816 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2817 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2818 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2819 (load_funcdescsi): New pattern.
2820 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2821 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2822 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2824 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2826 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2827 loop.c.
2829 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2831 * tree-flow.h: Remove the prototype for add_type_alias.
2832 * tree-ssa-alias.c (add_type_alias): Remove.
2834 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2836 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2837 config/fr30/fr30.md, config/i386/i386-interix.h,
2838 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2839 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2840 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2841 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2842 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2843 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2844 Follow spelling conventions.
2845 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2846 Follow spelling conventions.
2848 2006-05-27 Richard Guenther <rguenther@suse.de>
2850 PR middle-end/27773
2851 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2852 to produce a constant of value 1 of generic type.
2854 2006-05-27 Dirk Mueller <dmueller@suse.de>
2856 * cgraphunit.c (decide_is_function_needed): Fix wrong
2857 PR reference.
2859 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2861 PR rtl-optimization/27661
2862 * reload.c (find_reloads): When reloading a VOIDmode constant
2863 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2864 use Pmode as mode of the reload register.
2866 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2868 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2869 is enabled at -O and above.
2871 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2873 PR target/27571
2874 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2875 table data.
2877 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2879 PR c++/20103
2880 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2881 for anonymous variables explicitly declared by front ends.
2883 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2885 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2886 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2887 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2888 ref-all pointers, run a finalization pass for them.
2889 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2890 (finalize_ref_all_pointers): New function.
2891 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2892 regular pointer type to a ref-all pointer type.
2893 (get_tmt_for): Return the special memory tag for ref-all pointers.
2895 2006-05-25 Richard Guenther <rguenther@suse.de>
2897 PR middle-end/27743
2898 * fold-const.c (fold_binary): Do not look at the stripped
2899 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2901 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2903 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2904 for LT and GT if the computed range is effectively empty.
2906 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2908 PR target/27627
2909 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2910 mips_quad_format formats instead of ieee_single_format,
2911 ieee_double_format and ieee_quad_format formats, respectively.
2913 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2915 PR tree-optimization/27639
2916 PR tree-optimization/26719
2917 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2918 call to scev_probably_wraps_p.
2919 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2920 used_in_pointer_arithmetic_p, convert_step): Removed.
2921 (nowrap_type_p): New function.
2922 (scev_probably_wraps_p): Rewritten.
2923 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2924 chrec_convert if chrec_convert_aggressive might have been used.
2925 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2926 scev_direction): New functions.
2927 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2928 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2929 instead of convert_step.
2930 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2931 (convert_step): Declaration removed.
2932 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2934 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2936 * df-core.c: Added to header comments.
2937 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2938 df_ur_bb_info, df_urec_bb_info): Added comments.
2939 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2940 urec, ri problems): Fixed header comments.
2941 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2942 code from df_rd_transfer_function.
2944 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2946 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2947 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2948 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2950 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2952 * expr.c (undefined_operand_subword_p): New.
2953 (emit_move_multi_word): Do not generate move from undefined bits
2954 of a paradoxical subreg.
2956 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2958 PR rtl-optimization/27736
2959 * combine.c (replaced_rhs_value): New variable.
2960 (combine_instructions): Set it.
2961 (distribute_notes): When distributing a note in replaced_rhs_insn,
2962 check whether the value was used in replaced_rhs_value.
2964 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2966 PR c++/26757
2967 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2968 add_referenced_var instead of add_referenced_tmp_var.
2969 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2970 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2971 add_referenced_var.
2972 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2973 tree_optimize_tail_calls_1): Use add_referenced_var.
2974 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2975 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2976 Use add_referenced_var.
2977 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2978 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2979 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2980 Use add_referenced_var.
2981 * tree-dfa.c (struct walk_state): Remove.
2982 (find_referenced_vars): Remove walk state and vars_found hash table.
2983 (make_rename_temp): Use add_referenced_var.
2984 (find_vars_r): Pass less parameters to add_referenced_var.
2985 (referenced_var_p): New. Is var in referenced_var hash table.
2986 (referenced_var_insert): Assert var isn't already in hash table.
2987 (add_referenced_var): Don't need walk_state parameter. Add var if it
2988 isn't already in the hash table.
2989 (add_referenced_tmp_var): Remove.
2990 (find_new_referenced_vars_1): Use add_referenced_var.
2991 * tree-ssa-pre.c (create_expression_by_pieces,
2992 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2993 Use add_referenced_var.
2994 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2995 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2996 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2997 add_referenced_var.
2998 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2999 vect_create_data_ref_ptr, vect_create_destination_var,
3000 vect_init_vector, vect_build_loop_niters,
3001 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3002 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3003 Use add_referenced_var.
3004 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3005 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3006 (add_referenced_var): Add prototype.
3007 * tree-ssa-structalias.c (get_constraint_for,
3008 intra_create_variable_infos): Use add_referenced_var.
3010 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3012 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3013 big-endian paradoxical subregs.
3014 * var-tracking.c (struct micro_operation_def): Document that,
3015 for modify micro operations, insn is the subsequent instruction.
3016 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3017 (var_reg_set, var_mem_set): ... new functions.
3018 (add_stores): Record subsequent insn.
3019 (compute_bb_dataflow): Use new functions for MO_USE.
3020 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3021 notes after the insn, and modify notes before the insn known
3022 to be the subsequent one.
3023 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3025 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3027 PR target/27696
3028 * config/i386/i386.c (ix86_expand_builtin): Use
3029 gen_sse3_monitor64 for TARGET_64BIT.
3031 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3033 PR rtl-optimization/26375
3034 PR rtl-optimization/26855
3035 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3036 to gen set.
3037 (df_ru_bb_local_compute): Reversed statements and removed bogus
3038 comment explaining why they should be in wrong order.
3039 (df_ru_dump, df_rd_dump): Enhanced debug info.
3040 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3041 debug info.
3042 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3043 reaching uses and fixed space problem.
3045 2006-05-23 Jan Hubicka <jh@suse.cz>
3047 * cgraphunit.c (decide_is_function_needed): Also nested functions
3048 and functions declared inline can be optimized out at -O0.
3050 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3052 * doc/install.texi (Configuration): Remove reference to CrossGCC
3053 FAQ which was gone.
3054 (Building): Ditto.
3056 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3058 PR target/27266
3059 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3060 ix86_compare_emitted is non-NULL.
3062 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3064 PR c++/27451
3065 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3066 clobbers.
3068 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3070 PR rtl-optimization/25514
3071 * combine.c (replaced_rhs_insn): New variable.
3072 (combine_instructions): Set replaced_rhs_insn when trying to replace
3073 a SET_SRC with a REG_EQUAL note.
3074 (distribute_notes): Use replaced_rhs_insn when determining the live
3075 range of a REG_DEAD register.
3077 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3078 Anatoly Sokolov <aesok@post.ru>
3080 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3081 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3082 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3083 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3084 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3085 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3086 at90usb647, at90usb1286 and at90usb1287 devices.
3087 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3088 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3090 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3092 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3094 2006-05-22 Richard Guenther <rguenther@suse.de>
3096 Revert
3097 2006-01-31 Richard Guenther <rguenther@suse.de>
3098 Paolo Bonzini <bonzini@gnu.org>
3100 * doc/install.texi (--disable-libgcc-math): Document.
3102 2006-05-22 Richard Guenther <rguenther@suse.de>
3104 Revert
3105 2006-01-31 Richard Guenther <rguenther@suse.de>
3107 * doc/invoke.texi (-msselibm): Document.
3108 * target.h (expand_library_builtin): New target hook.
3109 * builtins.c (expand_builtin): Use expand_library_builtin.
3110 (default_expand_library_builtin): New function.
3111 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3112 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3113 (link_gcc_math_spec): Declare.
3114 (static_specs): Add link_gcc_math_spec.
3115 * expr.h (default_expand_library_builtin): Declare.
3116 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3117 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3118 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3119 * config/i386/i386.opt (msselibm): New target option.
3120 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3121 (ix86_init_sse_abi_builtins): New function.
3122 (ix86_expand_library_builtin): Likewise.
3123 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3124 (override_options): Handle error conditions wrt -msselibm.
3125 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3126 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3127 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3128 builtins.
3130 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3132 PR c/27420
3133 * c-common.c (self_promoting_args_p): Skip erroneous args.
3135 PR c/26818
3136 * c-decl.c (finish_struct): Skip erroneous fields.
3138 2006-05-22 Nick Clifton <nickc@redhat.com>
3140 * config/cris/cris.opt (march): Remove VarExists attribute.
3141 (max-stackframe=): Likewise.
3143 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3145 * doc/rtl.texi: Fix a typo.
3146 * see.c: Fix comment typos.
3148 * tree-ssa-structalias.h (alias_info): Remove num_references.
3150 2006-05-21 Mike Stump <mrs@apple.com>
3152 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3153 (BAD2): Add.
3154 (darwin_pragma_options): Use BAD instead.
3155 (darwin_pragma_unused): Likewise.
3156 (darwin_pragma_ms_struct): Likewise.
3158 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3160 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3162 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3164 PR rtl-optimization/27671
3165 * simplify-rtx.c (simplify_relational_operation_1): Fix
3166 simplifications of (eq/ne (xor x y) y) and
3167 (eq/ne (xor x y) x).
3169 PR tree-optimization/26622.
3170 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3171 on arg1.
3173 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3175 * tree-cfg.c: Prune whitespace.
3176 (debug_tree_cfg): Point to correct header containing the
3177 TDF_* defines.
3179 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3181 PR middle-end/25776
3182 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3184 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3186 PR middle-end/25776
3187 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3188 or sorry count is non zero.
3190 2006-05-20 Andreas Schwab <schwab@suse.de>
3192 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3194 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3195 Kenneth Zadeck <zadeck@naturalbridge.com>
3197 PR rtl-optimization/26855
3199 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3200 multiword refs.
3201 (df_scan_alloc): Added code to properly handle multiword hard
3202 registers and add all_blocks parameter.
3203 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3204 code to properly handle multiword hard registers.
3205 (df_rescan_blocks): Added code to remove deleted blocks from
3206 bitmap.
3207 (df_ref_create_structure, df_ref_record): Added code to properly
3208 handle subregs.
3209 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3210 and set DF_REF_PARTIAL.
3211 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3212 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3213 (df_scan_add_problem): Added flags parameter.
3214 (df_ref_create_structure): Changed switching structure.
3215 (df_bb_refs_record): Fixed case where duplicate artificial refs
3216 were created. Changed location of flags.
3217 (df_record_entry_block_defs): Added code to make stack pointer
3218 live in entry block. Refined cases where frame pointer is needed.
3219 Changed location of flags.
3220 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3221 (df_set_state): Removed function.
3222 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3223 df_insn_create_insn_record, df_insn_refs_delete,
3224 df_ref_create_structure): Formatting changes.
3225 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3226 df_delete_basic_block): New function.
3227 (df_init): Changed location of flags.
3228 (df_add_problem): Added flags parameter and the way flags are
3229 processed.
3230 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3231 debug_df_chain): Improved debugging output.
3232 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3233 (df_refs_chain_dump): Removed df parameter.
3234 (df_iterative_dataflow): Added consistency check.
3235 (df_prune_to_subcfg): Made public.
3236 (df_analyze_problem): Added blocks_to_init parameter and made
3237 public.
3238 (df_ref_record, df_bb_refs_record, df_mark_reg,
3239 df_record_exit_block_uses): Whitespace changes.
3240 (df_dump): Whitespace changes.
3241 * df.h: Some reordering to remove forward references.
3242 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3243 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3244 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3245 (dataflow.flags): New field.
3246 (df.flag): Deleted field.
3247 (df_alloc_function): Added additional bitmap parameter.
3248 (df_dependent_problem_function): New type.
3249 (df_problem.changeable_flags): New field.
3250 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3251 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3252 (df_mw_hardreg): New struct.
3253 (DF_INSN_UID_MWS): New macro.
3254 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3255 parameter.
3256 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3257 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3258 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3259 (df_set_state): Removed function.
3260 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3261 * df-problems.c (df_chain_dump): Removed df parameter.
3262 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3263 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3264 parameter.
3265 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3266 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3267 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3268 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3269 DF_REF_MUST_CLOBBER cases.
3270 (df_ru_bb_local_compute_process_def,
3271 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3272 df_lr_bb_local_compute, df_ur_bb_local_compute,
3273 df_chain_create_bb): Made subreg aware.
3274 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3275 df_lr_bb_local_compute, df_lr_bb_local_compute,
3276 df_chain_create_bb): Cleanup to use proper macros.
3277 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3278 code to fixup bitvectors.
3279 (df_ri_alloc): Cleared lifetime.
3280 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3281 df_create_unused_note): New function.
3282 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3283 REG_DEAD and REG_UNUSED notes as well as register information.
3284 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3285 df_chains_dump): Fixed crash if problem was never run.
3286 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3287 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3288 df_ri_add_problem): Processes flags in uniform manner.
3289 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3290 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3291 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3292 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3293 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3294 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3295 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3296 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3297 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3298 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3299 * see.c (see_initialize_data): Ditto.
3300 * final.c (rest_of_clean_state) Added regstack_completed.
3301 * rtl.h (regstack_completed): Ditto.
3302 * reg-stack.c (regstack_completed): Ditto.
3304 2006-05-19 Mike Stump <mrs@apple.com>
3306 * c-tree.h (default_conversion): Remove.
3307 * c-common.h (default_conversion): Add.
3309 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3311 * tree-vrp.c (valid_value_p): New function.
3312 (adjust_range_with_scev): Fail if the value of bound is not
3313 simple.
3315 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3317 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3318 (mips_fallback_frame_state): Use syscall numbers to determine
3319 the appropriate li instruction for the current ABI. Only use
3320 __NR_sigreturn for o32.
3322 2006-05-19 Nicolas Setton <setton@adacore.com>
3324 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3325 * langhooks.c (lhd_dwarf_name): New function.
3326 * langhooks-def.h (lhd_dwarf_name): Declare.
3327 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3328 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3329 * ada/misc.c (gnat_dwarf_name): New function.
3330 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3332 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3334 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3335 libgcc2.h.
3336 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3337 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3338 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3339 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3340 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3341 determine the size of Wtype, etc.
3342 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3343 (swfloatfuncs): New variable.
3344 (dwfloatfuncs): Likewise.
3345 (lib2funcs): Remove floating-point conversion functions from
3346 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3347 the set of conversion routines needed. Allow entries to specify
3348 an object name, filename and word size. Update users accordingly.
3349 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3350 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3352 Revert:
3354 2006-02-08 Roger Sayle <roger@eyesopen.com>
3356 PR target/22209
3357 * config/fixtfdi.c: New libgcc source file.
3358 * config/fixunstfdi.c: New source file.
3359 * config/floatditf.c: New source file.
3360 * config/floatunditf.c: New souce file.
3361 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3362 files above instead of config/mips/_tilib.c.
3363 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3365 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3367 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3368 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3370 2006-05-18 Mike Stump <mrs@apple.com>
3372 Fix up vla, vm and [*] sematics.
3374 PR c/18740
3375 PR c/7948
3376 PR c/25802
3377 PR c/27673
3378 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3379 (c_vla_unspec_p): Add.
3380 (c_vla_type_p): Add.
3381 * c-decl.c (struct c_scope): Add had_vla_unspec.
3382 (build_array_declarator): Add support for [*].
3383 (grokdeclarator): Likewise.
3384 (grokparms): Likewise.
3385 (get_parm_info): Likewise.
3386 * c-objc-common.c (c_vla_unspec_p): Likewise.
3387 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3388 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3389 typeof when argument is a variably modified type not inside sizeof or alignof.
3390 (c_parser_direct_declarator_inner): Propagate errors.
3391 (c_parser_sizeof_expression): Add support for [*].
3392 (c_parser_parms_declarator): Initialize had_vla_unspec.
3393 (c_parser_parms_list_declarator): Likewise.
3394 * c-typeck.c (c_vla_type_p): Add.
3395 (composite_type): Add support for vla compositing.
3396 (comptypes_internal): Add support for vla compatibility.
3397 (c_expr_sizeof_expr): Evaluate vla arguments.
3398 * tree.c (variably_modified_type_p): Update comment for [*].
3400 2006-05-18 Michael Matz <matz@suse.de>
3402 PR target/27599
3403 * config.host: Make assignments to host_xmake_file cumulative.
3404 * config.host (*-darwin*): Test $host, not $target.
3406 2006-05-12 Stuart Hastings <stuart@apple.com>
3408 * config/i386/i386.opt (-mstackrealign): New flag.
3409 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3410 (ix86_handle_cconv_attribute): Emit error when
3411 force_align_arg_pointer attribute collides with too many regparms.
3412 (ix86_function_regparm): Limit regparms when used with
3413 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3414 Support stack-realigning prologue in non-main functions. Emit
3415 warning for nested functions under -mstackrealign, emit error for
3416 nested functions with force_align_arg_pointer attribute.
3417 * doc/extend.texi (force_align_arg_pointer): Document it.
3418 * doc/invoke.texi (-mstackrealign): Document it.
3420 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3422 PR rtl-optimization/27477
3423 * combine.c (try_combine): Don't split a parallel consisting
3424 of two sets into two individual sets if both sets reference
3425 cc0.
3427 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3429 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3430 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3432 * doc/options.texi (VarExists): Updated.
3434 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3436 * unwind-dw2.c: Add declarations for uw_update_context and
3437 uw_frame_state_for.
3438 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3439 detected, advance frame state and context once to skip over stub.
3441 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3443 PR middle-end/20256
3444 PR middle-end/26435
3445 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3446 Call rewrite_into_loop_closed_ssa only when something changed.
3447 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3448 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3449 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3450 Test for perfect_nest_p here. Fix formating.
3451 (replace_uses_equiv_to_x_with_y): Fix formating.
3452 (stmt_uses_op): Removed.
3453 (can_convert_to_perfect_nest): Removed loopivs parameter.
3454 Complete the test by checking the scalar dependences.
3455 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3456 Fix formating.
3458 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3460 PR bootstrap/22541
3461 From Dan Kegel <dank@kegel.com>:
3462 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3464 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3466 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3467 if the element type is variably modified without recursing.
3469 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3471 PR middle-end/27332
3472 * tree-loop-linear.c (try_interchange_loops): Test for
3473 no data dependences.
3475 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3477 PR tree-optimization/27548
3478 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3479 range of ssa names that appear on abnormal edges.
3480 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3481 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3483 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3485 PR middle-end/27620
3486 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3488 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3490 PR middle-end/27415
3491 * tree.h (OMP_PARALLEL_COMBINED): Define.
3492 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3493 (new_omp_context): Add is_combined_parallel argument.
3494 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3495 new_omp_context caller.
3496 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3497 Adjust gimplify_scan_omp_clauses callers.
3498 (omp_is_private): Issue errors if iteration variable is firstprivate
3499 or reduction in the current context.
3500 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3501 on combined parallel workshare constructs.
3503 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3505 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3506 (gcc-options.o): New rule.
3508 * optc-gen.awk: Protect variables for gcc-options.o with
3509 #ifdef GCC_DRIVER/#endif.
3511 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3513 Fix PR tree-optimization/27373
3514 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3515 (forward_propagate_addr_expr): Update call.
3517 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3519 * doc/options.texi: Move the Negative option.
3521 2006-05-16 Richard Guenther <rguenther@suse.de>
3523 PR tree-optimization/22303
3524 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3525 from STRING_CSTs.
3526 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3527 ccp_fold did not simplify the statement.
3529 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3531 PR driver/26885
3532 * Makefile.in (GCC_OBJS): New.
3533 (OBJS-common): Add opts-common.o.
3534 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3535 (cpp$(exeext)): Likewise.
3536 (gcc.o): Also depend on opts.h.
3537 (opts-common.o): New.
3539 * common.opt (gcoff): Add Negative(gdwarf-2).
3540 (gdwarf-2): Add Negative(gstabs).
3541 (gstabs): Add Negative(gstabs+).
3542 (gstabs+): Add Negative(gvms).
3543 (gvms): Add Negative(gxcoff).
3544 (gxcoff): Add Negative(gxcoff+).
3545 (gxcoff+): Add Negative(gcoff).
3546 * config/i386/i386.opt (m32): Add Negative(m64).
3547 (m64): Add Negative(m32).
3549 * doc/options.texi: Document the Negative option.
3551 * gcc.c: Include "opts.h".
3552 (main): Call prune_options after expandargv.
3554 * optc-gen.awk: Generate common declarations for all flag
3555 variables in options.c. Output the neg_index field.
3557 * opts.c (find_opt): Moved to ...
3558 * opts-common.c: Here. New file.
3560 * opts.h (cl_option): Add a neg_index field.
3561 (find_opt): New.
3562 (prune_options): Likewise.
3564 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3566 PR middle-end/27573
3567 * omp-low.c (expand_omp_parallel): Don't assert
3568 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3569 instead search for it.
3571 PR c/27499
3572 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3573 is signed.
3575 2006-05-16 Andreas Schwab <schwab@suse.de>
3577 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3578 defmac.
3580 2006-05-15 Roger Sayle <roger@eyesopen.com>
3582 PR target/26600
3583 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3584 integer constants other than zero are only legitimate on TARGET_64BIT.
3585 <CONST_VECTOR> Only zero vectors are legitimate.
3586 (ix86_cannot_force_const_mem): Integral and vector constants can
3587 always be put in the constant pool.
3589 2006-05-16 DJ Delorie <dj@redhat.com>
3591 * crtstuff.c (__dso_handle): Set section from
3592 TARGET_LBIGCC_SDATA_SECTION if defined.
3593 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3594 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3596 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3598 PR target/27599
3599 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3600 host_xmake_file.
3602 2006-05-16 Ben Elliston <bje@au.ibm.com>
3604 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3606 2006-05-15 Per Bothner <per@bothner.com>
3608 * tree.c: (last_annotated_node): Use source_locus typedef.
3609 This permits bootstrapping with --enable-mapped-location.
3611 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3613 PR tree-optimization/26830
3614 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3615 (info_for_ssa_name, current_info_for_ssa_name_age,
3616 blocks_to_update): New variables.
3617 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3618 (clear_ssa_name_info, initialize_flags_in_bb,
3619 mark_block_for_update): New functions.
3620 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3621 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3622 prepare_def_site_for): Use mark_block_for_update.
3623 (mark_def_interesting): Assert that the processed block is marked in
3624 blocks_to_update. Do not take blocks argument.
3625 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3626 argument.
3627 (rewrite_update_init_block, rewrite_update_stmt): Only process
3628 blocks with statements to rewrite.
3629 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3630 (update_ssa): Initialize and free blocks_to_update. Do not
3631 clear flags on statements. Do not use blocks bitmap.
3632 * tree.h (SSA_NAME_AUX): Removed.
3633 (struct tree_ssa_name): Removed aux field.
3634 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3636 2006-05-15 Richard Guenther <rguenther@suse.de>
3638 PR tree-optimization/27603
3639 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3640 Do computations in original type.
3642 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3644 * see.c: Code style changes such as redundant paranthesis,
3645 redundant intialization of local variables etc.
3646 (see_main): Declared now as static.
3647 * doc/invoke.texi: Update that -fsee is not enabled by
3648 default at -O3.
3650 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3652 * omp-low.c (check_omp_nesting_restrictions): New function.
3653 (scan_omp_1): Call it.
3655 PR middle-end/27416
3656 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3657 construct, return *VAR.
3659 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3661 PR rtl-optimization/27406
3662 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3663 edges.
3665 2006-05-14 Roger Sayle <roger@eyesopen.com>
3667 PR rtl-optimization/27538
3668 * combine.c (expand_compound_operation): Call gen_lowpart
3669 before calling simplify_shift_const.
3671 2006-05-14 Roger Sayle <roger@eyesopen.com>
3673 PR rtl-optimization/22563
3674 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3675 a fixed width bitfield, always force the intermediates into psuedos.
3677 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3679 PR 27501
3680 * mkconfig.sh: Use operator = instead of == for test.
3682 2006-05-13 Nick Clifton <nickc@redhat.com>
3684 * dwarf2out.c (dbx_reg_number): Check return value from
3685 LEAF_REG_REMAP and only use it if it is valid.
3686 (multiple_reg_loc_descriptor): Likewise.
3688 2006-05-13 Richard Guenther <rguenther@suse.de>
3690 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3691 host_xmake_file.
3693 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3695 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3696 information attached to non-INSNs such as NOTEs.
3697 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3699 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3701 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3702 On contraint.
3703 * config/s390/s390.md: Adjust comment describing On constraint.
3705 2006-05-11 Jan Hubicka <jh@suse.cz>
3707 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3708 to be output at -O0.
3710 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3712 PR middle-end/27384
3713 * fold-const.c (size_binop): Move sanity check for arguments to
3714 the beginning of the function.
3716 PR middle-end/27488
3717 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3718 expression.
3720 2006-05-11 Richard Guenther <rguenther@suse.de>
3722 PR middle-end/27529
3723 * fold-const.c (fold_unary): Handle intermediate conversion
3724 to a pointer type like intermediate conversion to an integer
3725 type in folding of (T1)(T2)var to var.
3726 Match the code to the comment in the final conversion for
3727 (T1)(T2)var to (T1)var regarding to type precision. Rather
3728 than disallow T1 being of pointer type, assert that both T1
3729 and var are of pointer type or not. Make sure not to fall
3730 over the frontends lazyness wrt array to pointer decay though.
3732 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3734 * arm.c (arm_struct_value_rtx): Delete.
3735 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3736 (arm_init_cumulative_args): Always initialize nregs to zero.
3738 2006-05-10 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/27532
3741 * tree-object-size.c (plus_expr_object_size): Fix typo.
3743 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3745 PR target/24949
3746 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3747 ashrdi_const, ashrdi3): Use a scratch register.
3749 2006-05-10 Richard Guenther <rguenther@suse.de>
3751 PR tree-optimization/27302
3752 * fold-const.c (operand_equal_p): For two comparisons,
3753 try comparison of one comparison code swapped if that yields
3754 the same code.
3756 2006-05-10 Ben Elliston <bje@au.ibm.com>
3758 * tree-pretty-print.c (pretty_print_string): No need to handle
3759 '\0' as a special character.
3761 * tree.h: Include "hashtab.h".
3762 (iterative_hash_expr): Use hashval_t in its prototype.
3763 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3765 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3767 PR bootstrap/26872
3768 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3769 (hppa*64*-*-hpux11*): Ditto.
3770 (hppa[12]*-*-hpux11*): Ditto.
3772 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3774 PR target/26545
3775 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3777 2006-05-09 Michael Matz <matz@suse.de>
3779 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3780 host_extra_gcc_objs and host_xmake_file.
3781 (<*-*-linux*>): Don't overwrite host_xmake_file.
3782 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3783 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3784 (host_detect_local_cpu): Declare.
3785 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3786 * config/i386/i386.c (override_options): Handle -mtune=native
3787 as -mtune=generic.
3788 * config/i386/x-i386: New file.
3789 * config/i386/driver-i386.c: New file.
3790 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3791 cpu-type "native".
3793 2006-05-09 Dirk Mueller <dmueller@suse.de>
3794 Richard Guenther <rguenther@suse.de>
3796 PR middle-end/27498
3797 * fold-const.c (fold_read_from_constant_string): Relax check
3798 for matching types to matching modes.
3800 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3802 PR rtl-optimization/27335
3803 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3804 loops.
3806 2006-05-08 Chao-ying Fu <fu@mips.com>
3807 Richard Sandiford <richard@codesourcery.com>
3809 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3810 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3811 * config/mips/mips.md (UNSPEC_SCC): New constant.
3812 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3813 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3814 (mips_emit_compare): Use it.
3815 (mips_expand_vcondv2sf): New function.
3817 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3819 Fix PR tree-optimization/27093
3820 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3821 renaming when they become not-used_alone.
3823 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3825 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3826 relocation and relocation stubs.
3828 2006-05-08 Eric Christopher <echristo@apple.com>
3830 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3831 section for ppc.
3833 2006-05-08 Jan Hubicka <jh@suse.cz>
3835 PR middle-end/24561
3836 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3837 unused static functions are needed.
3839 2006-05-08 Roger Sayle <roger@eyesopen.com>
3841 PR target/27158
3842 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3843 of a reg_equiv_constant if the result is a legitimate constant.
3845 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3847 PR target/27277
3848 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3849 standard 80387 constants, raise the cost to prevent
3850 compress_float_constant() to generate load from memory.
3852 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3854 * config/arm/constraints.md (c): Fix a typo.
3856 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3857 typos.
3859 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3861 PR target/24879
3862 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3863 inline function.
3864 (_mm_mwait): Likewise.
3866 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3867 "mwait".
3868 (sse3_monitor): Make it 32bit only.
3869 (sse3_monitor64): New. 64bit monitor.
3871 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3873 PR target/27421
3874 * config/i386/i386.c (classify_argument): Skip fields with invalid
3875 types.
3877 2006-05-07 Richard Guenther <rguenther@suse.de>
3879 PR tree-optimization/27409
3880 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3881 Do not try to find zero-sized subvars.
3883 2006-05-07 Richard Guenther <rguenther@suse.de>
3885 PR tree-optimization/27136
3886 * tree-ssa-loop-niter.c (get_val_for): Correct function
3887 comment, assert requirements.
3888 (loop_niter_by_eval): Stop processing if the iterated
3889 value did not simplify.
3891 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3893 * opts.c (flag_see): remove its setting at -O3.
3895 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3897 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3898 * arm/constraints.md: New file.
3899 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3900 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3901 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3902 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3903 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3904 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3905 * arm.md: Include constraints.md.
3906 (thumb_movsi_insn): Use satisfies_constraint_J.
3907 (movhi, movqi): Use satisfies_constraint_I.
3909 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3911 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3912 for atmeg a645 device.
3914 2006-05-06 Richard Guenther <rguenther@suse.de>
3916 PR tree-optimization/27151
3917 * tree-vect-transform.c (vectorizable_condition): Punt on
3918 values that have a different type than the condition.
3920 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3922 PR/21391
3923 * c-parser.c (c_parser_cast_expression): Only insert casts into
3924 hash table if pointer.
3925 * function.c (used_types_insert_helper): Rename from
3926 used_types_insert.
3927 (used_types_insert): Call used_types_insert_helper.
3928 * function.h (used_types_insert): Accept only one argument.
3930 2006-05-05 David Edelsohn <edesohn@gnu.org>
3932 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3933 scratch with output modifier.
3935 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3937 PR target/26481
3938 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3939 with output modifier.
3941 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3943 PR target/26765
3944 * config/mips/mips.c (mips_symbolic_address_p): Return true
3945 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3946 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3948 2006-05-04 Richard Guenther <rguenther@suse.de>
3950 PR tree-optimization/14287
3951 PR tree-optimization/14844
3952 PR tree-optimization/19792
3953 PR tree-optimization/21608
3954 PR tree-optimization/27090
3955 * tree-ssa-pre.c (try_combine_conversion): New function.
3956 (compute_avail): After constructing the value-handle
3957 expression, use try_combine_conversion to combine NOP_EXPRs
3958 with previous value-handle expressions and use the result if it
3959 is available.
3961 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3963 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3965 2006-05-04 Jan Hubicka <jh@suse.cz>
3967 PR middle-end/25962
3968 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3970 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3972 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3973 that this only matches CONST_INTs. All users changed to VOIDmode
3974 operands.
3976 * config/bfin/bfin.c: Include "optabs.h".
3977 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3978 to do more work.
3979 (enum bfin_builtins): Add a number of fractional and vector builtins.
3980 (bfin_init_builtins): Likewise.
3981 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3982 (safe_vector_operand, bfin_expand_binop_builtin,
3983 bfin_expand_unop_builtin): New functions.
3984 (bfin_expand_builtin): Handle the new builtins.
3985 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3986 __ADSPBLACKFIN__.
3988 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3990 * see.c: New file.
3991 * Makefile.in (OBJS-common): Add see.o.
3992 (see.o): Add dependencies.
3993 * common.opt (fsee): New flag for the see optimization was added.
3994 * opts.c (flag_see): Initialized.
3995 * passes.c (init_optimization_passes, pass_see): New pass.
3996 * rtl.h (see_main): Declaration as extern.
3997 * timevar.def (TV_SEE): New.
3998 * tree-pass.h (pass_see): Declaration as extern.
3999 * invoke.texi (-fsee): Document.
4000 * recog.c (validate_simplify_insn): New function.
4001 * recog.h (validate_simplify_insn): Declaration as extern.
4002 * df-problems.c (df_chain_dump): Check for NULL.
4004 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4005 Daniel Berlin <dberlin@dberlin.org>
4007 * cfgrtl.c (insert_insn_bb_end_new): New function.
4008 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4010 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4012 * df.h (struct web_entry): Moved from web.c.
4013 (union_defs): Declaration as extern.
4014 (unionfind_root): Likewise.
4015 (unionfind_union): Likewise.
4016 * web.c (struct web_entry): Moved to df.h.
4017 (unionfind_root): Remove static declaration.
4018 (unionfind_union): Likewise.
4019 (union_defs): Likewise and generalize to use callback function.
4020 (web_main): Update arguments for union_defs function call.
4022 2006-05-04 Richard Guenther <rguenther@suse.de>
4024 PR tree-optimization/26447
4025 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4026 produce SSA_NAME copies before the store stmt to avoid
4027 breaking exception handling.
4029 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4031 PR middle-end/27388
4032 * gimplify.c (omp_is_private): If var is shared in some outer context,
4033 return false instead of true. Stop searching on parallel context
4034 boundary.
4036 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4038 PR java/8260
4039 * coverage.c: Use get_gcov_unsigned_t() instead of
4040 unsigned_type_node all over.
4042 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4044 PR tree-optimization/27381
4045 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4046 maintain the same immediate_use links.
4047 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4048 node rather than segfaulting.
4050 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4052 PR fortran/27395
4053 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4054 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4055 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4057 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4059 Fix PR tree-optimization/26626
4060 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4061 always.
4062 * tree-ssa-operands.c (access_can_touch_variable): Allow
4063 typecasting through union pointers.
4065 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4067 PR c++/26943
4068 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4069 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4070 to find if var will be a global variable even in the nested context.
4071 (omp_copy_decl): Only check for global variable at the end, it might
4072 be overridden in outer contexts.
4073 (scan_sharing_clauses): For global variables don't create a field.
4074 (lower_rec_input_clauses): Do nothing for global shared variables.
4075 Emit a barrier at the end of ILIST if there were any decls in both
4076 firstprivate and lastprivate clauses.
4077 (lower_send_clauses): Do nothing for global variables except for
4078 COPYIN.
4080 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4082 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4083 of the correct signedness is returned.
4085 2006-05-02 Jeff Law <law@redhat.com>
4087 PR tree-optimization/27364
4088 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4089 multiply expressions.
4091 2006-05-02 Tom Tromey <tromey@redhat.com>
4093 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4095 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4097 PR target/27387
4098 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4099 -mthumb -fPIC are used.
4101 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4102 Joshua Kinard <kumba@gentoo.org>
4104 PR target/25871
4105 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4106 with 64-bit pointers.
4108 2006-05-02 Paul Brook <paul@codesourcery.com>
4110 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4111 and pool overlap.
4112 (create_fix_barrier): Check that a suitable barrier location is
4113 found.
4114 (arm_reorg): Include ftmp->address in allowable range of addresses.
4116 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4118 PR ada/27366
4119 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4120 on Cygwin.
4122 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4124 PR middle-end/27337
4125 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4126 around RESULT_DECL for result passed by reference.
4127 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4128 * omp-low.c (use_pointer_for_field): Don't look at
4129 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4130 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4131 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4132 time or var for passing by reference for
4133 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4134 TREE_ADDRESSABLE variables when passing by reference.
4136 * omp-low.c (dump_omp_region): Fix output formatting.
4138 PR middle-end/27328
4139 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4140 (expand_omp_parallel): Likewise.
4141 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4143 PR middle-end/27325
4144 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4145 on statement list containing also constructors and destructors.
4146 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4148 PR middle-end/27310
4149 * except.c (duplicate_eh_regions): Fix clearing of
4150 cfun->eh->region_array entries.
4152 2006-05-01 DJ Delorie <dj@redhat.com>
4154 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4155 build!=host.
4156 (gcc_cv_objdump): Likewise.
4157 * configure: Regenerated.
4159 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4161 PR target/27374
4162 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4163 templates for case 3 and 4.
4165 2006-05-01 DJ Delorie <dj@redhat.com>
4167 * vec.c: Include bconfig.h when appropriate.
4168 * Makefile.in (build/vec.o): Adjust dependencies.
4169 * mkconfig.sh: Make sure config.h isn't used for build machine
4170 compiles.
4172 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4174 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4175 variables.
4176 (mark_phi_for_rewrite): New function.
4177 (insert_phi_nodes_for, mark_use_interesting): Call
4178 mark_phi_for_rewrite.
4179 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4180 (update_ssa): Initialize and free phis_to_rewrite.
4182 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4184 PR rtl-optimization/27291
4185 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4186 folded to a constant.
4188 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4190 PR tree-optimization/27283
4191 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4192 not whole # of iteration descriptions.
4193 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4194 uses abnormal ssa name.
4195 (niter_for_single_dom_exit): Ditto.
4196 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4197 return just the number of iterations.
4199 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4201 PR tree-optimization/27144
4202 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4203 (record_estimate): Only record constant upper bound.
4204 (infer_loop_bounds_from_undefined): Call
4205 compute_estimated_nb_iterations just once.
4206 (proved_non_wrapping_p): Renamed to ...
4207 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4208 (convert_step_widening, scev_probably_wraps_p): Call
4209 n_of_executions_at_most instead of proved_non_wrapping_p.
4210 (substitute_in_loop_info): Do not replace values in bounds.
4211 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4212 comments.
4214 2006-05-01 Richard Henderson <rth@redhat.com>
4216 PR c/27358
4217 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4218 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4219 CPP_PRAGMA.
4221 2006-05-01 Roger Sayle <roger@eyesopen.com>
4223 * c-typeck.c (parser_build_binary_op): Don't call the function
4224 unsigned_conversion_warning to spot operand/result type overflow.
4225 (build_binary_op): Instead, call convert_and_check instead of
4226 convert to report the problem when the operands are promoted.
4227 * c-common.c (unsigned_conversion_warning): Make static.
4228 * c-common.h (unsigned_conversion_warning): Delete prototype.
4230 2006-05-01 Richard Guenther <rguenther@suse.de>
4232 PR tree-optimization/26726
4233 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4234 problem ...
4235 (find_interesting_uses_address): ... we work around here
4236 by folding INDIRECT_REFs in the substituted base.
4238 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4240 * omp-low.c (dump_omp_region): Add newlines.
4242 2006-04-30 Roger Sayle <roger@eyesopen.com>
4244 * common.opt (Woverflow): New command line option.
4245 * c-common.c (constant_expression_warning): Check warn_overflow.
4246 (overflow_waring): Pass OPT_Woverflow to warning.
4247 (unsigned_conversion_warning): Likewise.
4248 (convert_and_check): Likewise.
4249 * doc/invoke.texi: Document new command line option.
4251 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4253 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4254 TARGET_NO_FP_IN_TOC for section anchors.
4255 (optimization_options): Enable section anchors for all
4256 non-"Objective" languages.
4258 2006-04-28 Eric Christopher <echristo@apple.com>
4260 * config/darwin-c.c (darwin_ms_struct): Move this
4261 (darwin_set_default_type_attributes): and this...
4262 * config/darwin.c: ... here.
4263 * config/darwin.h (darwin_ms_struct): Declare.
4265 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4267 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4269 2006-04-28 Roger Sayle <roger@eyesopen.com>
4271 PR c/25309
4272 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4273 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4274 an unsigned HOST_WIDE_INT.
4275 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4276 array index.
4277 (really_start_incremental_init): No need to call convert because
4278 bitsize_zero_node is already of type bitsizetype.
4279 (push_init_level): Extract the value of constructor_index as an
4280 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4281 (process_init_element): Likewise.
4283 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4285 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4286 value before passing to make_relative_prefix.
4288 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4290 PR middle-end/27260
4291 * builtins.c (expand_builtin_memset): Expand val in original mode.
4293 2006-04-27 Eric Christopher <echristo@apple.com>
4295 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4296 with #ifndef/#endif.
4297 * config/darwin-c.c (darwin_ms_struct): New.
4298 (darwin_pragma_ms_struct): Ditto.
4299 (darwin_set_default_type_attributes): Ditto.
4300 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4301 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4302 Register ms_struct pragma.
4303 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4304 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4305 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4306 darwin_set_default_type_attributes if TARGET_MACHO.
4308 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4310 PR tree-optimization/26854
4311 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4312 * doc/tree-ssa.texi: Update immuse iterator documentation.
4313 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4314 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4315 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4316 first_safe_imm_use, next_safe_imm_use): Remove.
4317 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4318 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4319 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4320 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4321 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4322 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4323 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4324 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4325 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4326 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4327 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4328 (perfect_nestify): Use new iterator.
4329 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4330 iterator.
4331 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4332 (next_imm_name): New field in struct immediate_use_iterator_d.
4333 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4334 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4335 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4336 * tree-cfg.c (replace_uses_by): Use new iterator.
4337 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4338 * tree-ssa-operands.c (correct_use_link): Remove.
4339 (finalize_ssa_use_ops): No longer call correct_use_link.
4341 2006-04-27 Stuart Hastings <stuart@apple.com>
4343 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4344 * config/t-darwin (crt3.o): Use it.
4345 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4346 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4347 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4348 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4349 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4350 support.
4352 2006-04-27 Roger Sayle <roger@eyesopen.com>
4354 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4355 size, force the intermediate into a new pseudo rather instead of
4356 performing both a bitwise AND and a bitwise IOR in memory.
4358 2006-04-27 Richard Guenther <rguenther@suse.de>
4360 PR rtl-optimization/26685
4361 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4362 this one "max-flow-memory-locations".
4364 2006-04-27 Richard Guenther <rguenther@suse.de>
4366 PR tree-optimization/25148
4367 * tree-vrp.c (compare_values): Remove code dealing with
4368 comparisons against type min/max value. Honour overflow
4369 and negative constants in code dealing with comparisons
4370 of plus and minus expressions.
4371 (value_inside_range): Use fold_binary with LE_EXPR and
4372 GE_EXPR rather than compare_values.
4374 2006-04-27 Dirk Mueller <dmueller@suse.de>
4376 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4377 prototype for SSE.
4379 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4381 * basic-block.h (safe_insert_insn_on_edge): Removed.
4382 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4384 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4385 Paolo Bonzini <bonzini@gnu.org>
4387 PR middle-end/27282
4388 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4389 (simplify_and_const_int): Same.
4391 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4393 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4395 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4397 PR c/26171
4398 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4399 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4400 cgraph_global_info_ready.
4402 PR middle-end/26913
4403 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4405 PR c/25996
4406 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4407 either decl or init is error_mark_node.
4409 PR middle-end/25989
4410 * tree-flow.h (struct omp_region): Add sched_kind.
4411 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4412 instead of extracting omp for data.
4413 (expand_omp_for): Save extracted sched_kind.
4415 2006-04-25 Roger Sayle <roger@eyesopen.com>
4417 * expmed.c (store_bit_field): Also check whether the bitsize is
4418 valid for the machine's "insv" instruction before moving the
4419 target into a pseudo for use with the insv.
4420 * config/i386/predicates.md (const8_operand): New predicate.
4421 * config/i386/i386.md (extv, extzv, insv): Use the new
4422 const8_operand predicate where appropriate.
4424 2006-04-25 DJ Delorie <dj@redhat.com>
4426 * doc/install.texi (Specific): Clarify that this is not a list of
4427 supported hosts or targets.
4429 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4431 PR rtl-optimization/26725
4432 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4433 block's BB_DIRTY flag.
4435 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4437 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4438 are no branches.
4440 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4441 to print an integer.
4443 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4445 * varasm.c (align_variable): New function.
4446 (get_block_for_decl): Apply align_variable to DECL before
4447 calculating section information.
4448 (assemble_variable): Split out alignment computation.
4450 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4452 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4453 machines.
4455 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4457 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4458 MODE_PARTIAL_INT mode.
4459 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4460 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4461 for CONST_INTs.
4462 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4463 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4464 V2PDImode.
4465 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4466 New predicates.
4467 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4468 New constants.
4469 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4470 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4471 MACFLAG_IH): Likewise.
4472 (movstricthi_1): Renamed from "*movstricthi".
4473 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4474 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4475 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4476 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4477 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4478 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4479 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4480 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4481 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4482 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4483 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4484 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4485 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4486 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4487 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4489 * doc/rtl.texi (ss_ashift): Improve wording.
4491 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4493 * dwarf2out.c (verify_marks_clear): New.
4494 (prune_unused_types): Call verify_marks_clear initially, not
4495 prune_unmark_dies.
4497 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4499 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4500 * doc/rtl.texi: Document them.
4501 * simplify-rtx.c (simplify_unary_operation,
4502 simplify_binary_operation_1): Don't abort when we see them.
4504 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4506 Revert:
4507 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4508 * configure.ac: Completely disregard languages that are not
4509 enabled.
4510 * configure: Regenerated.
4512 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4513 Richard Guenther <rguenther@suse.de>
4515 PR tree-optimization/27236
4516 * tree-inline.c (copy_body_r): Make sure to copy
4517 TREE_THIS_VOLATILE flag.
4519 2006-04-24 Richard Guenther <rguenther@suse.de>
4521 PR middle-end/26869
4522 * tree-complex.c (update_parameter_components): Don't handle
4523 unused parameters which have no default def.
4525 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4526 Richard Guenther <rguenther@suse.de>
4528 PR tree-optimization/27218
4529 * tree-inline.c (expand_call_inline): Strip useless type
4530 conversions for the return slot address.
4532 2006-04-24 Richard Guenther <rguenther@suse.de>
4534 * cfgloop.h (struct loops): Remove unused field array. Reorder
4535 state after num.
4536 (LOOP_PREFETCH): Remove.
4538 2006-04-24 Richard Guenther <rguenther@suse.de>
4540 PR tree-optimization/22525
4541 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4542 variable, adjust types of generated expressions.
4544 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4546 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4547 (tree-vect-patterns.o): Likewise.
4548 (jump.o): Likewise.
4549 (cselib.o): Likewise.
4550 (loop-doloop.o): Likewise.
4551 (regclass.o): Likewise.
4552 (reload1.o): Likewise.
4553 (explow.o): Replace target.h with $(TARGET_H).
4554 (ipa-prop.o): Likewise.
4555 (ipa-cp.o): Likewise.
4556 (ipa-inline.o): Likewise.
4557 (reorg.o): Likewise.
4558 (reg-stack.o): Likewise.
4560 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4562 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4564 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4566 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4568 * configure.ac: Completely disregard languages that are not
4569 enabled.
4570 * configure: Regenerated.
4572 PR c++/26534
4573 * c-common.h (c_build_bitfield_integer_type): Declare.
4574 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4575 * c-common.c (c_build_bitfield_integer_type): ... here.
4577 2006-04-23 Roger Sayle <roger@eyesopen.com>
4579 PR target/21283
4580 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4581 a SImode SUBREG of a floating point register after no_new_pseudos.
4583 2006-04-23 Roger Sayle <roger@eyesopen.com>
4585 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4586 identify potentially eliminable registers to additionally catch
4587 VIRTUAL_INCOMING_ARGS_REGNUM.
4588 (addsi3): Update the conditions on when to use addsi_small_int.
4590 2006-04-23 Roger Sayle <roger@eyesopen.com>
4592 PR target/16641
4593 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4594 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4595 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4597 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4599 * fold-const.c (range_predecessor): Use operand_equal_p
4600 as the predicate for equality.
4601 (range_successor): Likewise.
4603 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4605 Revert:
4606 * config/soft-fp/op-common.h: Fix a typo.
4608 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4610 PR libmudflap/26864
4611 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4612 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4614 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4616 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4617 Fix comment typos.
4618 * doc/tm.texi: Fix a typo.
4620 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4622 * dwarf2out.c (struct die_struct): Document that die_sib makes
4623 a circular linked list.
4624 (FOR_EACH_CHILD): New.
4625 (reverse_die_lists): Delete.
4626 (reverse_all_dies): Delete.
4627 (add_dwarf_attr): Correct documentation.
4628 (remove_child_with_prev): New.
4629 (remove_child_TAG): Update for change to die_struct, use
4630 remove_child_with_prev.
4631 (add_child_die): Update for change to die_struct.
4632 (splice_child_die): Use remove_child_with_prev and add_child_die.
4633 (print_die): Use FOR_EACH_CHILD.
4634 (die_checksum): Likewise.
4635 (assign_symbol_names): Likewise.
4636 (output_location_lists): Likewise.
4637 (build_abbrev_table): Likewise.
4638 (calc_die_sizes): Likewise.
4639 (mark_dies): Likewise.
4640 (unmark_dies): Likewise.
4641 (unmark_all_dies): Likewise.
4642 (output_die): Likewise.
4643 (prune_unused_types_mark): Likewise.
4644 (prune_unused_types_walk): Likewise.
4645 (same_die_p): Update for change to die_struct.
4646 (break_out_includes): Likewise.
4647 (prune_unused_types_prune): Likewise.
4648 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4649 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4650 it's already clear.
4651 (dwarf2out_finish): Don't call reverse_all_dies.
4653 2006-04-21 Eric Christopher <echristo@apple.com>
4655 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4656 in comments and function names.
4658 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4660 PR c/25875
4661 * c-typeck.c (digest_init): Robustify.
4663 * c-typeck.c (pop_init_level): Simplify.
4665 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4667 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4669 2006-04-21 Paul Brook <paul@codesourcery.com>
4671 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4672 hardware floating point.
4674 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4676 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4677 NON_FLOAT_REGS.
4679 2006-04-21 Nick Clifton <nickc@redhat.com>
4681 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4682 OPT_EXTRA_PARTS.
4684 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4686 PR target/27230
4687 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4688 C++ lang type in traceback table for Objective-C++.
4690 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4692 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4694 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4696 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4698 PR mudflap/26789
4699 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4700 were errors. Remove check for erroneous objects.
4702 2006-04-20 Jeff Law <law@redhat.com>
4704 PR tree-optimization/26854
4705 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4706 checking for zero or one use.
4707 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4708 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4709 * tree-ssa-reassoc.c (negate_value): Similarly.
4710 (reassociate_bb): Similarly.
4712 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4714 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4715 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4716 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4718 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4720 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4721 fp regs if the last fp arg doesn't fit in regs.
4723 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4725 PR target/27182
4726 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4727 that the last insn has the REG_INC note.
4729 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4730 Nathan Sidwell <nathan@codesourcery.com>
4732 PR c/26774
4733 * stor-layout.c (update_alignment_for_field): Do not align
4734 ERROR_MARK nodes.
4735 (place_union_field): Place union field at the start of the union.
4736 (place_field): Move ERROR_MARK check later, and use the current
4737 allocation position to maintain monotonicity.
4739 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4741 * dominance.c: Include timevar.h.
4742 (calculate_dominance_info): Use TV_DOMINANCE.
4743 * timevar.def (TV_DOMINANCE): New timevar.
4744 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4746 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4748 PR rtl-optimization/14261
4749 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4750 move would be an INSV insn.
4751 (noce_process_if_block): Don't optimize if the destination is a
4752 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4754 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4756 * config/s390/s390.md: Add comments with the instructions emitted
4757 by an insn pattern if macros are used.
4759 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4761 PR rtl-optimization/26026
4762 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4763 is a known power of two shifted left a variable amount.
4765 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4767 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4768 to hash table twice when the debug_str section has SECTION_MERGE.
4770 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4772 * config/soft-fp: New directory. From glibc.
4773 * config/soft-fp/t-softfp: New.
4774 * config/soft-fp/README: New.
4775 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4776 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4777 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4778 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4779 * config.gcc: Use rs6000/t-fprules-fpbit or
4780 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4781 rs6000/t-fprules.
4782 * config/rs6000/sfp-machine.h: New. Based on glibc.
4783 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4784 New.
4785 * config/rs6000/t-fprules: Remove fp-bit rules.
4786 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4787 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4788 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4789 (softfp_wrap_start, softfp_wrap_end): New.
4791 2006-04-18 DJ Delorie <dj@redhat.com>
4793 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4795 2006-04-18 Devang Patel <dpatel@apple.com>
4797 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4799 2006-04-18 Nick Clifton <nickc@redhat.com>
4801 * config/sh/t-symbian: Add rule to build sh-c.o
4802 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4803 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4804 (sh_symbian_encode_section_info): Likewise.
4806 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4808 * builtins.c (expand_builtin_strcmp): Cover label definition of
4809 do_libcall with HAVE_cmpstrnsi.
4811 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4813 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4814 instead of VARRAY.
4815 * function.h (temp_slot_p): New.
4816 (function): Change the type of x_used_temp_slots to
4817 VEC(temp_slot_p,gc) *.
4819 2006-04-18 Nick Clifton <nickc@redhat.com>
4821 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4822 flag_strength_reduce.
4824 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4826 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4828 PR target/27117
4830 Partial revert of revision 112637
4831 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4832 Dale Johannesen <dalej@apple.com>
4834 PR target/19653
4835 * regclass.c (struct reg_pref): Update documentation.
4836 (regclass): Set prefclass to NO_REGS if memory is the best option.
4837 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4839 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4841 PR tree-optimization/26821
4842 * tree-ssa-math-opts.c (get_constant_one): New.
4843 (insert_reciprocals): Use it.
4845 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4847 * dwarf2out.c (free_AT): Delete.
4848 (remove_AT): Update string ref counts.
4849 (remove_child_TAG): Don't call free_die.
4850 (free_die): Delete.
4851 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4852 or DW_TAG_GNU_EINCL.
4853 (prune_unused_types_walk_attribs): Reset string refcounts.
4854 (prune_unused_types_update_strings): New.
4855 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4856 call free_die. Do call prune_unused_types_update_strings.
4857 (prune_unused_types): Empty debug_str_hash.
4859 2006-04-17 Roger Sayle <roger@eyesopen.com>
4861 * expr.c (expand_assignment): Optimize away no-op moves where the
4862 source and destination are equal and have no side-effects.
4864 2006-04-17 Richard Guenther <rguenther@suse.de>
4866 PR target/26826
4867 * reload.c (push_reload): Guard calls to get_secondary_mem
4868 for memory subregs.
4870 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4872 * alias.c (reg_base_value, old_reg_base_value): Change the
4873 type to VEC(rtx,gc) *.
4874 (REG_BASE_VALUE, find_base_value, record_set,
4875 init_alias_analysis): Use VEC instead of VARRAY.
4877 * alias.c (alias_sets): Change the type to
4878 VEC(alias_set_entry,gc) *.
4879 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4880 VEC instead of VARRAY.
4881 (last_alias_set): Remove.
4883 * cgraph.h (cgraph_edge_p): New.
4884 Update the prototype of cgraph_function_versioning.
4885 * cgraphunit.c (cgraph_copy_node_for_versioning,
4886 cgraph_function_versioning): Use VEC instead of VARRAY.
4887 * ipa-cp.c (ipcp_insert_stage): Likewise.
4889 2006-04-16 Roger Sayle <roger@eyesopen.com>
4891 PR target/26961
4892 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4893 "A op B" or "A op C", we may need to convert A to the type of B and C.
4895 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4897 * target.h (struct gcc_target): Add mode_rep_extended.
4898 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4899 (init_num_sign_bit_copies_in_rep): Initialize it using
4900 mode_rep_extended.
4901 (truncate_to_mode): Use it.
4902 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4903 * targhooks.h (default_mode_rep_extended): Declare it.
4904 * targhooks.c (default_mode_rep_extended): Define it.
4905 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4906 default_mode_rep_extended.
4907 (TARGET_INITIALIZER): Include it.
4908 * doc/tm.texi (Misc): Document it.
4909 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4910 (mips_truncated_to_mode): New function.
4912 2006-04-16 Roger Sayle <roger@eyesopen.com>
4914 PR middle-end/25474
4915 * expr.c (compress_float_constant): Copy the narrow constant into
4916 a new pseudo before extending it to its final width.
4918 2006-04-16 Roger Sayle <roger@eyesopen.com>
4919 Andrew Pinski <pinskia@gcc.gnu.org>
4920 Dale Johannesen <dalej@apple.com>
4922 PR target/24076
4923 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4924 special case code to implement V8HImode and V16QImode with SSE2.
4926 2006-04-15 Roger Sayle <roger@eyesopen.com>
4928 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4929 trees are constructed with a suitable tree type.
4931 2006-04-15 Roger Sayle <roger@eyesopen.com>
4933 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4934 (integer_onep): Likewise.
4935 (integer_all_onesp): Likewise.
4936 (integer_pow2p): Likewise.
4937 (integer_nonzerop): Likewise.
4938 (real_zerop): Likewise.
4939 (real_onep): Likewise.
4940 (real_twop): Likewise.
4941 (real_minus_onep): Likewise.
4942 (int_size_in_bytes): Likewise.
4943 (host_integerp): Likewise.
4945 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4947 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4948 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4949 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4951 * tree-ssa-structalias.h (alias_info): Remove num_references.
4953 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4955 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4956 (output_bvb patterns): Likewise.
4957 * pa.c (output_bb): Use 'bb' insn for long branch case.
4958 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4959 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4960 1. Correct length operand for alternatives 1 and 2.
4961 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4962 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4964 2006-04-14 Roger Sayle <roger@eyesopen.com>
4966 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4967 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4968 were accidentally reverted by r112959.
4970 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4972 PR middle-end/26823
4973 * except.h (eh_region_outermost): New prototype.
4974 * except.c (eh_region_outermost): New function.
4975 * tree-cfg.c (find_outermost_region_in_block): Use it.
4977 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4979 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4980 of VARRAY.
4981 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4982 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4983 (init_reload, reload): Use VEC instead of VARRAY.
4984 * reload.h: Update the prototype for
4985 reg_equiv_memory_loc_varray.
4987 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4988 Eric Botcazou <ebotcazou@libertysurf.fr>
4990 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4991 register save area.
4993 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4995 PR middle-end/27134
4996 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4997 to expand fallback builtin function call.
4999 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5001 PR middle-end/27095
5002 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5003 and emit libcall here in case the builtin fails.
5004 (expand_builtin_strcmp): Always emit the libcall here on failure.
5006 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5008 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5009 * flow.c (reg_n_info): Change the type to
5010 VEC(reg_info_p,heap) *.
5011 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5012 instead of VARRAY.
5013 * regs.h (reg_info_p): New.
5014 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5015 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5016 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5017 instead of VARRAY.
5019 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5021 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5022 defaulting to 100.
5023 * params.h (MAX_SCHED_READY_INSNS): New macro.
5024 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5025 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5026 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5027 the ready list for 1 cycle during the first scheduling pass.
5028 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5030 2006-04-13 Richard Henderson <rth@redhat.com>
5032 PR libgomp/26651
5033 * gimple-low.c (lower_omp_directive): Remove dead code.
5034 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5035 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5036 * omp-low.c (struct omp_region): Move to tree-flow.h.
5037 (root_omp_region): Export.
5038 (omp_regions, lookup_omp_region): Remove.
5039 (determine_parallel_type): Update for struct omp_region changes.
5040 (dump_omp_region): Dump regions with block numbers.
5041 (new_omp_region): Take type and block instead of stmt; malloc
5042 instead of ggc.
5043 (free_omp_region_1, free_omp_regions): New.
5044 (expand_parallel_call): Take entry_stmt as argument; update for
5045 changes to omp_region.
5046 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5047 (remove_exit_barriers): New.
5048 (expand_omp_parallel): Update for struct omp_region changes.
5049 (expand_omp_synch): Likewise.
5050 (expand_omp): Likewise.
5051 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5052 (expand_omp_for_static_chunk): Likewise.
5053 (expand_omp_for): Likewise.
5054 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5055 (expand_omp_sections): Similarly, with GOMP_sections_end.
5056 (expand_omp_single): New.
5057 (build_omp_regions_1): Update for OMP_CONTINUE.
5058 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5059 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5060 OMP_SECTIONS_SECTIONS.
5061 (lower_omp_single_simple): Don't emit barrier here.
5062 (lower_omp_single_copy): Likewise.
5063 (lower_omp_single): Fix bindings, and lower to straightline now.
5064 (lower_omp_master, lower_omp_ordered): Likewise.
5065 (lower_omp_critical): Likewise.
5066 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5067 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5068 omp edges, free it afterward.
5069 (make_omp_sections_edges): Remove.
5070 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5071 (move_stmt_r): Handle OMP_CONTINUE.
5072 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5073 statement pointers to basic blocks. Add type member.
5074 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5075 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5076 * tree-inline.c (estimate_num_insns_1): Likewise.
5077 * tree-pretty-print.c (dump_generic_node): Likewise.
5078 * tree-ssa-operands.c (get_expr_operands): Likewise.
5079 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5080 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5081 (OMP_CONTINUE): New.
5082 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5083 (OMP_SECTIONS_SECTIONS): Remove.
5084 (OMP_SECTION_LAST): New.
5085 (OMP_RETURN_NOWAIT): New.
5087 2006-04-13 Roger Sayle <roger@eyesopen.com>
5089 * fold-const.c (native_encode_vector, native_interpret_real):
5090 Correct obvious mistakes in the previous check-in.
5092 2006-04-13 Roger Sayle <roger@eyesopen.com>
5094 * fold-const.c (native_encode_expr): New function to encode
5095 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5096 or VECTOR_CST into a specified buffer.
5097 (native_encode_int): New function.
5098 (native_encode_real): New function.
5099 (native_encode_complex): New function.
5100 (native_encode_vector): New function.
5101 (native_interpret_expr): Inverse of native_encode_expr to convert
5102 a target representation into an INTEGER_CST, REAL_CST etc...
5103 (native_interpret_int): New function.
5104 (native_interpret_real): New function.
5105 (native_interpret_complex): New function.
5106 (native_interpret_vector): New function.
5107 (fold_view_convert_expr): New function to constant fold/evaluate
5108 a VIEW_CONVERT_EXPR of a suitable constant expression.
5109 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5110 Change call of build1 to fold_build1 when constructing a
5111 VIEW_CONVERT_EXPR.
5113 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5114 Ulrich Weigand <uweigand@de.ibm.com>
5116 PR target/27006
5117 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5118 to be even.
5120 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5122 PR target/26459
5123 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5124 optimize to lo_sum for DFmode if !TARGET_FPRS.
5126 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5128 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5129 delete_alias_info, compute_flow_sensitive_aliasing,
5130 group_aliases): Use VEC instead of VARRAY.
5131 * tree-ssa-structalias.c (update_alias_info): Likewise.
5132 * tree-ssa-structalias.h (alias_info): Change the type of
5133 processed_ptrs to VEC(tree,heap) *.
5135 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5137 PR target/27060
5138 * config/sh/lib1funcs.h: New file, broken out of:
5139 * config/sh/lib1funcs.asm.
5140 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5141 New macros.
5142 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5143 * config/sh/lib1funcs-Os-4-200.asm: New file.
5144 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5145 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5146 (EXTRA_MULTILIB_PARTS): Include it.
5147 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5148 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5149 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5150 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5151 TARGET_SH2.
5153 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5155 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5156 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5157 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5158 VARRAY.
5159 * tree-ssa-live.h: Include vecprim.h.
5160 (tree_partition_associator_d): Change the type of
5161 first_partition to VEC(int,heap) *.
5162 (tpa_first_partition): Use VEC instead of VARRAY.
5164 * Makefile.in (GTFILES): Move functions.h after tree.h.
5165 * function.c (reset_block_changes, record_block_change,
5166 check_block_change, free_block_changes): Use VEC instead of
5167 VARRAY.
5168 * function.h (function): Change the type of
5169 ib_boundaries_block to VEC(tree,gc) *.
5170 * tree-inline.c (copy_cfg_body): Initialize
5171 ib_boundaries_block to NULL instead of (varray_type) 0.
5173 2006-04-12 Roger Sayle <roger@eyesopen.com>
5175 * expr.c (emit_group_store): Correct operand order in call to
5176 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5177 a SUBREG_BYTE of zero.
5179 2006-04-12 Richard Guenther <rguenther@suse.de>
5181 * profile.c (compute_branch_probabilities): Remove code
5182 encapsulated in !ir_type (), which are remanents of the
5183 removed RTL profiling code.
5184 * rtl-profile.c: Remove.
5186 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5188 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5189 magic NULL_RTX comment.
5190 (function_arg): Store entire fp arg to mem if any part should go
5191 on stack.
5192 (rs6000_arg_partial_bytes): Adjust for above change.
5194 2006-04-11 Roger Sayle <roger@eyesopen.com>
5196 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5197 if it hasn't been initialized by dwarf2out_init.
5199 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5201 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5202 symbolic constants in branch patterns.
5204 2006-04-11 Roger Sayle <roger@eyesopen.com>
5206 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5208 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5210 PR rtl-optimization/27073
5211 * gcse.c (try_replace_reg): Revert last change. Continue to search
5212 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5213 on the former.
5215 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5217 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5218 aggregate types other than record and union types.
5219 (function_arg): Likewise.
5220 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5221 small arrays.
5222 (function_value): In 64-bit mode, return objects that require it
5223 in FP registers.
5225 2006-04-11 Roger Sayle <roger@eyesopen.com>
5227 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5229 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5231 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5233 2006-04-03 Jeff Law <law@redhat.com>
5235 PR/27087
5236 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5237 alias information too.
5239 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5241 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5243 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5245 PR/21391
5246 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5247 (premark_used_types_helper): New.
5248 (premark_used_types): New.
5249 (gen_subprogram_die): Call premark_used_types.
5250 (prune_unused_types_walk): Do not prune perennial dies.
5251 * function.c (used_types_insert): New.
5252 * function.h (struct function): Add used_types_hash field.
5253 (used_types_insert): Add prototype.
5254 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5255 * c-parser.c (c_parser_cast_expression): Save casted types in used
5256 types hash table.
5258 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5260 PR target/26459
5261 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5262 rs6000_explicit_options.float_gprs.
5264 2006-04-10 Roger Sayle <roger@eyesopen.com>
5266 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5267 from ix86_expand_vector_init_low_nonzero. Take an additional
5268 one_var argument indicating which element is non-zero. Support
5269 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5270 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5271 with one_var instead of ix86_expand_vector_init_low_nonzero.
5273 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5275 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5276 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5277 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5278 build/genextract.o): Depend on vecprim.h.
5279 * cfglayout.c, df-problems.c, function.c, genextract.c,
5280 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5281 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5282 vecprim.h.
5283 * vecprim.h: New.
5285 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5287 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5288 Declare VECs of this type.
5289 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5290 (remove_children): Delete.
5291 (add_dwarf_attr): Use VEC routines.
5292 (add_AT_flag): Update for changes to add_dwarf_attr.
5293 (add_AT_int): Likewise.
5294 (add_AT_unsigned): Likewise.
5295 (add_AT_long_long): Likewise.
5296 (add_AT_vec): Likewise.
5297 (add_AT_string): Likewise.
5298 (add_AT_die_ref): Likewise.
5299 (add_AT_fde_ref): Likewise.
5300 (add_AT_loc): Likewise.
5301 (add_AT_loc_list): Likewise.
5302 (add_AT_addr): Likewise.
5303 (add_AT_lbl_id): Likewise.
5304 (add_AT_lineptr): Likewise.
5305 (add_AT_macptr): Likewise.
5306 (add_AT_offset): Likewise.
5307 (add_AT_range_list): Likewise.
5308 (get_AT): Use VEC_iterate.
5309 (remove_AT): Use VEC_ordered_remove.
5310 (free_die): Fold remove_children into here; have it use VEC_iterate.
5311 (print_die): Use VEC_iterate on attrs.
5312 (reverse_die_lists): Don't reverse attr lists.
5313 (die_checksum): Use VEC_iterate on attrs.
5314 (same_die_p): Likewise.
5315 (output_location_lists): Likewise.
5316 (build_abbrev_table): Likewise.
5317 (size_of_die): Likewise.
5318 (unmark_all_dies): Likewise.
5319 (output_abbrev_section): Likewise.
5320 (output_die): Likewise.
5321 (prune_unused_types_walk_attribs): Likewise.
5323 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5325 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5327 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5329 PR debug/27057
5330 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5332 2006-04-09 Roger Sayle <roger@eyesopen.com>
5334 * expr.c (store_constructor): Don't bother clearing target if
5335 we're about to assign a vector to it using vec_init_optab.
5337 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5339 * tree-ssa-alias.c (lhs_may_store_to): New function.
5340 (recalculate_used_alone): Handle LHS of calls.
5342 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5344 PR target/27034
5345 PR target/26508
5346 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5347 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5348 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5349 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5350 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5351 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5352 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5353 stubs. Add ".align 8" directives before all ".dword" directives.
5354 (GTHREAD_USE_WEAK): Revise comment.
5355 (TARGET_ATTRIBUTE_WEAK): Define.
5356 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5357 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5358 * stublib.c: New file.
5360 PR target/26743
5361 PR target/11254
5362 PR target/10274
5363 * pa.md (cbranch patterns): Revise arguments used in calls to
5364 output_cbranch, output_bb and output_bvd. Add long branch length
5365 attributes.
5366 (fbranch patterns): Handle long branches.
5367 (jump): Revise length check. Revise arguments for output_lbranch call.
5368 Add long branch length attributes.
5369 (decrement_and_branch_until_zero): Add long branch length attributes.
5370 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5371 Likewise. Revise arguments for output_parallel_addb and
5372 output_parallel_movb calls.
5373 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5374 output_parallel_movb and output_parallel_addb): Update prototypes.
5375 * pa.c (output_cbranch): Revise arguments. Correct handling of
5376 nullification in long branches.
5377 (output_lbranch): Add new argument to control extraction of delay
5378 instruction.
5379 (output_bb): Handle long branches.
5380 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5381 output_parallel_addb): Likewise.
5383 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5385 PR rtl-optimization/27073
5386 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5387 not REG_EQUIVs.
5389 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5391 * tree.h (tree_memory_tag): Add old_used_alone.
5392 (SMT_OLD_USED_ALONE): New macro.
5393 * tree-ssa-alias.c (recalculate_used_alone): Stop
5394 marking things for renaming unnecessarily.
5396 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5398 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5399 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5400 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5401 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5402 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5403 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5404 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5405 spelling convensions.
5406 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5407 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5408 typos. Follow spelling conventions.
5410 2006-04-07 DJ Delorie <dj@redhat.com>
5412 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5413 passed on the stack.
5414 (m32c_init_cumulative_args): When a function returns a structure,
5415 always pass the pointer to that return area on the stack.
5416 (m32c_function_arg_advance): Don't increment the parameter number
5417 if we're processing the returned structure pointer.
5418 (pushm_info): Reverse order of registers.
5420 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5422 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5423 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5424 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5425 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5426 build_int_cst_type.
5427 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5428 chrec_fold_multiply): Same.
5429 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5430 force_expr_to_var_cost): Same.
5431 * tree-mudflap.c (mf_xform_derefs_1): Same.
5432 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5434 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5436 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5437 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5438 insn.
5440 2006-04-07 Jan Hubicka <jh@suse.cz>
5442 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5444 2006-04-07 Richard Guenther <rguenther@suse.de>
5446 PR tree-optimization/26135
5447 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5448 loads for store copy-prop.
5449 (copy_prop_visit_stmt): Likewise.
5451 2006-04-05 Robert Millan <robertmh@gnu.org>
5453 * config/i386/linux.h: Add a comment to mark macros that are
5454 being overriden in config/k*bsd-gnu.h.
5455 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5456 DYNAMIC_LINKER.
5457 * config/knetbsd-gnu.h: Ditto.
5459 2006-04-06 Jan Hubicka <jh@suse.cz>
5461 PR profile/20815
5462 PR profile/26399
5463 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5464 after buffer.
5466 2006-04-06 Mike Stump <mrs@apple.com>
5468 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5469 for HAVE_nonlocal_goto to be consistent.
5470 (expand_builtin_nonlocal_goto): Likewise.
5471 (expand_builtin_strcmp): Use #ifdef instead of #if
5472 for HAVE_cmpstrnsi to be consistent.
5474 2006-04-05 DJ Delorie <dj@redhat.com>
5476 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5477 vs m32c.
5479 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5481 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5482 got-relative addressing for anything but SImode.
5484 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5485 even if the calling function doesn't modify them.
5487 2006-04-05 Richard Guenther <rguenther@suse.de>
5489 PR tree-optimization/26919
5490 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5491 to cgraph_estimate_size_after_inlining.
5493 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5495 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5497 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5499 PR tree-optimization/26996
5500 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5501 VECTOR_TYPE variables.
5503 2006-04-05 Richard Guenther <rguenther@suse.de>
5505 PR tree-optimization/26763
5506 * fold-const.c (fold_comparison): Move folding of
5507 PTR + CST CMP PTR + CST ...
5508 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5510 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5512 * doc/install.texi (Prerequisites): Refine some wording on
5513 bootstrapping and ksh.
5514 Move the version numbers of DejaGnu here from the testing section
5515 and fix casing of names.
5516 Fix markup and clarify wording for autogen requirements.
5517 Refer to GCJ instead of just java.
5518 Refer to SVN instead of CVS.
5519 Describe diffutils as useful instead of necessary.
5520 (Downloading the source): Refer to SVN instead of CVS.
5521 Adjust a link to our web site accordingly.
5522 (Configuration): Fix casing of Bison.
5523 (Building): Refer to SVN instead of CVS.
5524 Fix a sentence on the use of Bison and remove duplicate (and
5525 incorrect) version number of Bison requirement.
5526 Remove one redundant list of packages needed for building.
5527 (Specific): Avoid reference to CVS.
5529 2006-04-04 Eric Christopher <echristo@apple.com>
5531 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5532 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5533 (rs6000_handle_struct_attribute): New.
5534 (rs6000_ms_bitfield_layout_p): Ditto.
5536 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5538 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5539 NULL for dso parameter to atexit_common.
5541 2006-04-04 Eric Christopher <echristo@apple.com>
5543 * config/i386/i386.c (machopic_output_stub): Output \t
5544 between instructions and operands.
5546 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5548 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5549 satisfies_constraint_[IL] to explicit tests on value.
5551 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5553 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5554 set_nb_iterations_in_loop): Use build_int_cst instead of
5555 build_int_cst_type.
5556 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5557 build_int_cst instead of convert.
5559 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5561 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5562 new value 2 for incoming.
5563 * function.c (expand_function_start): Call struct_value_rtx
5564 with incoming as 2.
5565 * config/sparc/sparc.md: Comment updated_return.
5566 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5567 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5568 struct return if sparc_std_struct_return and incoming is 2.
5569 (print_operand): Do not adjust return if
5570 sparc_std_struct_return.
5572 2006-04-04 Roger Sayle <roger@eyesopen.com>
5574 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5575 convert in the middle-end.
5576 * expr.c (store_expr, store_constructor, get_inner_reference,
5577 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5578 Likewise.
5579 * tree.c (build_range_type): Likewise.
5581 2006-04-04 Tom Tromey <tromey@redhat.com>
5583 * doc/install.texi (Prerequisites): Mention jar.
5585 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5587 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5588 subsection.
5590 2006-04-04 Matthias Klose <doko@debian.org>
5592 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5593 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5594 strings.
5596 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5598 * doc/extend.texi (Function Attributes): Rewrite visibility
5599 attribute documentation.
5600 * doc/invoke.texi (C++ Dialect Options): Rewrite
5601 -fvisibility-inlines-hidden documentation to describe something
5602 entirely different, although in practise compatible.
5603 (Code Gen Options): Warn about system headers in -fvisibility=
5604 documentation.
5606 * doc/extend.texi (Other Builtins): Document that
5607 __builtin_nan is a compile-time constant only when its argument
5608 is valid.
5610 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5612 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5613 trying to remove TRUNCATE check if all bits outside the new mode
5614 are identical to the sign bit.
5616 2006-04-03 Jeff Law <law@redhat.com>
5618 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5619 and operand scanning in some common cases.
5621 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5622 Dale Johannesen <dalej@apple.com>
5624 PR target/19653
5625 * regclass.c (struct reg_pref): Update documentation.
5626 (regclass): Set prefclass to NO_REGS if memory is the best option.
5627 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5628 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5629 into account. For non-registers, equate an empty preferred
5630 reload class to a `!' in the constraint; move the if clause to
5631 do so after those that reject the insn.
5632 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5633 return NO_REGS.
5634 (find_dummy_reload): Likewise.
5635 * doc/tm.texi (Register Classes): Document what it means
5636 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5637 * config/i386/i386.c (ix86_preferred_reload_class): Force
5638 using SSE registers (and return NO_REGS for floating-point
5639 constants) if math is done with SSE.
5640 (ix86_preferred_output_reload_class): New.
5641 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5642 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5643 * config/i386/i386.md: Remove # register preferences.
5645 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5647 PR bootstrap/26992
5648 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5649 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5650 the type of nb_iter.
5651 (instantiate_parameters_1): Convert the operands before calling
5652 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5653 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5655 2006-04-02 Roger Sayle <roger@eyesopen.com>
5657 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5658 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5659 instead of convert.
5660 * dojump.c (do_jump): Likewise.
5661 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5662 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5663 gimplify_boolean_expr): Likewise.
5664 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5665 * varasm.c (array_size_for_constructor): Likewise.
5666 * tree-object-size.c (compute_object_offset): Likewise.
5668 2006-04-02 Roger Sayle <roger@eyesopen.com>
5670 PR middle-end/26977
5671 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5672 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5674 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5676 PR tree-optimization/26939
5677 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5679 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5681 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5682 at_stmt. Convert the type of operands before calling
5683 build_polynomial_chrec.
5684 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5685 add_to_evolution_1.
5686 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5687 (instantiate_parameters_1): Convert the type of operands before calling
5688 build_polynomial_chrec.
5689 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5690 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5691 reset_evolution_in_loop): Insert asserts to check the types of the
5692 operands.
5693 (chrec_type): Moved...
5694 (eq_evolutions_p): Use operand_equal_p.
5695 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5696 the types of the operands.
5697 (chrec_type): ...here.
5698 * tree-data-ref.c (create_data_ref): Convert the operands before
5699 calling chrec_replace_initial_condition.
5700 (same_access_functions, analyze_subscript_affine_affine,
5701 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5702 (compute_subscript_distance, analyze_ziv_subscript,
5703 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5704 analyze_miv_subscript): Convert the operands before calling
5705 chrec_fold_minus or chrec_fold_plus.
5707 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5709 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5710 the dependence_relations vector.
5711 (compute_data_dependences_for_loop): Adjust call to
5712 compute_all_dependences.
5714 2006-04-01 Roger Sayle <roger@eyesopen.com>
5715 Richard Henderson <rth@redhat.com>
5717 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5718 gimple_boolify on the condition before calling gimplify_expr.
5720 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5722 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5723 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5724 the frame size. Update to use the new macros.
5725 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5726 * config/xtensa/ieee754-df.S: Likewise.
5728 2006-03-31 Richard Henderson <rth@redhat.com>
5730 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5731 (make_edges): ... here. Control fallthru creation with a local
5732 variable. Do not play with fake edges.
5733 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5734 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5735 a boolean.
5737 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5739 * dwarf2.h (DW64_CIE_ID): Define.
5740 * dwarf2out.c (DWARF_CIE_ID): Define.
5741 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5742 length header. Use DWARF_CIE_ID.
5743 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5744 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5746 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5748 * config/sh/linux-atomic.asm: New file.
5749 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5751 2006-03-31 DJ Delorie <dj@redhat.com>
5753 * config/m32c/cond.md: Set condition flags properly throughout.
5754 * config/m32c/minmax.md: Likewise.
5755 * config/m32c/prologue.md: Likewise.
5756 * config/m32c/bitops.md: Likewise.
5757 * config/m32c/muldiv.md: Likewise.
5758 * config/m32c/mov.md: Likewise.
5759 * config/m32c/addsub.md: Likewise.
5760 * config/m32c/m32c.md: Likewise.
5761 * config/m32c/jump.md: Likewise.
5762 * config/m32c/shift.md: Likewise.
5764 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5765 conditionally output the pattern for this.
5766 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5767 (m32c_compare_redundant): New.
5768 (m32c_output_compare): New.
5769 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5771 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5772 dest, not src. Allow other 4-byte modes.
5774 2006-03-30 Denis Chertykov <denisc@overta.ru>
5776 * doc/md.texi: Refer to avr/constraints.md instead of
5777 avr/avr.h.
5779 2006-03-30 Roger Sayle <roger@eyesopen.com>
5781 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5782 signed vs. unsigned comparison failures on some hosts.
5784 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5786 PR target/26459
5787 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5788 change to FLOAT_REGS.
5790 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5791 (rs6000_override_options): Use it.
5792 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5793 only for -mabi=spe/no-spe and -mabi=altivec.
5795 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5797 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5798 !Zdynamiclib.
5800 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5802 * Makefile.in: Rename docdir to gcc_docdir.
5804 2006-03-30 Roger Sayle <roger@eyesopen.com>
5806 PR target/17959
5807 * expr.c (emit_group_store): Optimize group stores into a pseudo
5808 register by using a paradoxical subreg to initialize the destination
5809 if the first or last member of the group specifies a "low part".
5811 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5813 PR target/26734
5814 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5815 * target.h (struct gcc_target.speculate_insn): Change type of the
5816 second parameter to 'int'.
5817 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5818 the second operand of the DEPS_LIST.
5819 (copy_DEPS_LIST_list): Update reference to the second operand of the
5820 DEPS_LIST.
5821 * rtl.h (alloc_DEPS_LIST): Update signature.
5822 * sched-int.h (ds_t): Change typedef to 'int'.
5823 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5825 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5827 * haifa-sched.c (try_ready): Change condition to restore
5828 non-speculative pattern of the instruction.
5829 (process_insn_depend_be_in_spec): Code to keep probability of the
5830 speculative dependence non-decreasing.
5832 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5834 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5835 (single_move_for_movmem): ... this. Also change all uses.
5836 (bfin_expand_strmov): Renamed to...
5837 (bfin_expand_movmem): ... this. Also change all uses.
5838 * config/bfin/bfin.md (movstrsi): Renamed to...
5839 (movstrsi): ...this.
5841 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5843 PR tree-optimization/26830
5845 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5846 (copy_prop_visit_stmt): Remove write-only variable ann.
5847 (init_copy_prop): Check variable loop depth here. Do not simulate
5848 memory-tag and virtual operand PHIs except for store copy prop.
5850 2006-03-30 Richard Guenther <rguenther@suse.de>
5852 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5853 variants with double arguments.
5855 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5857 * genpreds.c (write_tm_constrs_h): Delete variable p.
5858 * genconditions.c (write_header): Add tm-constrs.h to included
5859 headers.
5860 * genpeep.c (main): Add toplev.h to included headers.
5861 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5862 (build/genpeep.o): Add toplev.h dependency.
5863 * config/rs6000/constraints.md: Add "W" constraint.
5865 2006-03-29 Roger Sayle <roger@eyesopen.com>
5867 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5868 sizes by correctly testing whether the size fits a host integer.
5869 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5870 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5871 SImode range for the default sizetype and bitsizetype.
5873 2006-03-29 Roger Sayle <roger@eyesopen.com>
5875 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5876 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5877 quickly if the argument is already of the correct type.
5878 Call fold_build1 instead of build1. Tidy up blank lines.
5880 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5882 * genemit.c (main): Add tm-constrs.h to included headers.
5883 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5884 * genpeep.c (main): Add tm-constrs.h to included headers.
5885 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5886 (write_tm_constrs_h): this and write complete file.
5887 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5888 (write_insn_preds_c): Add tm-constrs.h to included headers.
5889 (gen_constrs): New variable.
5890 (parse_option): Parse "-c".
5891 (main): Invoke write_tm_constrs_h.
5892 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5893 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5894 (object_out_file): Add tm-constrs.h dependency.
5895 (insn-emit.o): Same.
5896 (insn-output.o): Same.
5897 (insn-peep.o): Same.
5898 (insn-preds.o): Same.
5899 (insn-recog.o): Same.
5900 (tm-constsr.h): New target.
5901 (s-constrs-h): New target.
5903 * config/rs6000/constraints.md: New file.
5904 * config/rs6000/rs6000.c: Include tm-constrs.h.
5905 (num_insn_constant_wide): Convert to satisfies_constraint.
5906 (rs6000_rtx_costs): Convert to satisfies_constraint.
5907 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5908 (CONST_OK_FOR_LETTER_P): Delete.
5909 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5910 (EXTRA_CONSTRAINT): Delete.
5911 (EXTRA_MEMORY_CONSTRAINT): Delete.
5912 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5913 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5914 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5915 satisfies_constraint.
5917 * config/i386/i386.c: Include tm-constrs.h.
5919 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5921 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5922 * tree-data-ref.c (find_data_references_in_loop,
5923 compute_data_dependences_for_loop): Use pointers to VEC.
5924 (analyze_all_data_dependences): Adjust calls.
5925 * tree-data-ref.h (find_data_references_in_loop,
5926 compute_data_dependences_for_loop): Adjust declarations.
5927 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5928 compute_data_dependences_for_loop.
5930 2006-03-29 Paul Brook <paul@codesourcery.com>
5932 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5933 (movdf_vfp): Ditto.
5935 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5937 PR tree-optimization/26859
5938 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5939 division by zero.
5940 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5941 for the step after fold_convert.
5943 2006-03-29 Paul Brook <paul@codesourcery.com>
5945 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5946 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5948 2006-03-29 Paul Brook <paul@codesourcery.com>
5950 PR middle-end/23623
5951 * targhooks.c (default_narrow_bitfield): New fuction.
5952 * targhooks.h (default_narrow_bitfield): add prototype.
5953 * target.h (gcc_target): Add narrow_volatile_bitfield.
5954 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5955 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5956 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5957 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5959 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5961 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5962 tmake_file.
5963 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5964 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5965 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5966 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5967 (s390_function_arg_float): Allow SDmode and DDmode values to be
5968 passed in floating point registers.
5969 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5970 check with SCALAR_FLOAT_MODE_P.
5971 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5973 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5975 PR tree-optimization/25985
5976 * tree-ssa-loop-niter.c (number_of_iterations_le,
5977 number_of_iterations_ne): Make comments more precise.
5978 (number_of_iterations_cond): Add only_exit argument. Use the
5979 fact that signed variables do not overflow only when only_exit
5980 is true.
5981 (loop_only_exit_p): New.
5982 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5983 number_of_iterations_cond.
5985 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5987 PR tree-optimization/26643
5988 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5989 bit_field_refs.
5991 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5993 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5994 (divsi3_i4_int): Likewise.
5996 2006-03-28 Roger Sayle <roger@eyesopen.com>
5998 * expr.c (emit_group_store): Only create a new pseudo reg if the
5999 quantity it needs to hold isn't already a suitable pseudo.
6001 2006-03-28 Jeff Law <law@redhat.com>
6003 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6004 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6006 2006-03-28 Roger Sayle <roger@eyesopen.com>
6008 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6009 the equivalent ~X & Y, and the symmetry related transformations.
6010 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6011 ~X & Y, and symmetry related transforms.
6013 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6015 Revert my 2006-03-27 patches.
6017 2006-03-28 Roger Sayle <roger@eyesopen.com>
6019 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6020 ~(T1)X, when T1 and T2 are integer types of the same precision
6021 and (T2)X isn't an extension.
6023 2006-03-28 Jeff Law <law@redhat.com>
6025 PR tree-optimization/26796
6026 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6027 need EH edge cleanups rather than purging them immediately.
6028 (eliminate_degenerate_phis): Handle queued EH cleanups.
6030 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6032 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6033 from parent_var.
6035 2006-03-27 Roger Sayle <roger@eyesopen.com>
6037 PR middle-end/22524
6038 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6039 cast BIT_NOT_EXPR operand to the correct type.
6041 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6043 * tree-loop-linear.c: Don't include varray.h.
6044 (gather_interchange_stats, try_interchange_loops,
6045 linear_transform_loops): Use VEC instead of VARRAY.
6046 * lambda-mat.c: Don't include varray.h.
6047 * tree-chrec.c: Same.
6048 * lambda-trans.c: Same.
6049 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6050 VEC instead of VARRAY.
6051 * tree-vectorizer.h: Idem.
6052 * tree-data-ref.c (dump_data_references,
6053 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6054 initialize_data_dependence_relation, finalize_ddr_dependent,
6055 compute_all_dependences, find_data_references_in_loop,
6056 compute_data_dependences_for_loop, analyze_all_data_dependences,
6057 free_dependence_relation, free_dependence_relations,
6058 free_data_refs): Idem.
6059 * tree-data-ref.h (data_reference_p, subscript_p): New.
6060 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6061 VEC instead of VARRAY.
6062 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6063 (find_data_references_in_loop, compute_data_dependences_for_loop,
6064 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6065 dump_data_dependence_relations, free_dependence_relations,
6066 free_data_refs): Adjust declaration.
6067 (lambda_transform_legal_p): Move declaration here...
6068 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6069 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6070 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6071 vect_analyze_data_refs): Use VEC instead of VARRAY.
6072 * lambda.h (lambda_transform_legal_p): ...from here.
6073 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6074 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6075 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6076 tree-chrec.o): Don't depend on VARRAY_H.
6078 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6080 * rtl.def (Copyright): Update date.
6081 (DEPS_LIST): Change type of the second operand to 'int'.
6082 * target.h (Copyright): Update date.
6083 (struct gcc_target.speculate_insn): Change type of the second parameter
6084 to 'int'.
6085 * lists.c (Copyright): Update date.
6086 (alloc_DEPS_LIST): Change signature. Update reference to the second
6087 operand of the DEPS_LIST.
6088 (copy_DEPS_LIST_list): Update reference to the second operand of the
6089 DEPS_LIST.
6090 * rtl.h (Copyright): Update date.
6091 (alloc_DEPS_LIST): Update signature.
6092 * sched-int.h (Copyright): Update date.
6093 (ds_t): Change typedef to 'int'.
6094 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6096 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6098 * haifa-sched.c (Copyright): Update date.
6099 (try_ready): Change condition to restore non-speculative pattern
6100 of the instruction.
6101 (process_insn_depend_be_in_spec): Code to keep probability of the
6102 speculative dependence non-decreasing.
6104 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6106 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6107 shut up the compiler.
6109 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6111 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6112 to use lib prefix for target.
6113 ($(T)libic_invalidate_array_4-200.a): Likewise.
6114 ($(T)libic_invalidate_array_4a.a): Likewise.
6116 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6117 J"orn Rennecke <joern.rennecke@st.com>
6119 * superh.opt: New file.
6120 * sh.c (boardtype, osruntime): Remove.
6121 * superh.h (SUBTARGET_OPTIONS): Remove.
6122 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6124 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6125 arguments with ^ and/or [].
6127 * config.gcc (sh-*-*): Add quoting to account for quirk of
6128 Solaris /bin/sh.
6129 Replace == with = in enable_incomplete_targets test.
6131 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6132 with MASK_LITTLE_ENDIAN.
6134 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6135 * config/sh/sh.opt: Added to some comments.
6136 * config/sh/superh.h: Removed some chaff.
6138 * config/sh/sh.opt: Add m4-[1234]00* options.
6139 * config/sh/sh.c (sh_handle_option): Likewise.
6140 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6141 (ic_invalidate_array_4-100.o): New rule.
6142 ($(T)libic_invalidate_array_4-100.a): Likewise.
6143 (ic_invalidate_array_4-200.o): Likewise.
6144 ($(T)libic_invalidate_array_4-200.a): Likewise.
6145 (ic_invalidate_array_4a.o): Likewise.
6146 ($(T)libic_invalidate_array_4a.a): Likewise.
6147 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6148 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6149 m4-200*, and m4a*.
6150 * config/sh/crt1.asm: Merged in profiling code.
6151 * config/sh/superh.h (STARTFILE_SPEC): Override.
6152 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6153 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6154 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6156 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6157 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6158 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6160 * sh.opt (mpretend-cmove): New option.
6161 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6162 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6163 (movsicc): Add TARGET_PRETEND_CMOVE code.
6165 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6167 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6168 s390_class_max_nregs): New function prototypes.
6169 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6170 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6171 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6172 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6174 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6176 * dwarf2out.c (add_location_or_const_value_attribute): Call
6177 tree_add_const_value_attribute if nothing else works.
6178 (reference_to_unused): New.
6179 (rtl_for_decl_init): Use reference_to_unused to decide whether
6180 to output an initializer.
6182 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6184 PR target/26459
6185 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6186 peephole removing spe frob_di_df_2.
6188 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6190 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6191 (subscript_dependence_tester_1): Declared.
6192 (print_dir_vectors, print_dist_vectors): New.
6193 (debug_data_dependence_relation): New.
6194 (dump_data_dependence_relation): Print more details.
6195 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6196 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6197 (save_dist_v, save_dir_v, add_outer_distances,
6198 build_classic_dist_vector_1): New.
6199 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6200 Don't test for lambda_vector_lexico_pos.
6201 (same_access_functions, add_multivariate_self_dist,
6202 add_other_self_distances, dir_from_dist): New.
6203 (build_classic_dir_vector): Replace implementation almost identical to
6204 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6205 dir_from_dist.
6206 (subscript_dependence_tester_1): New.
6207 (subscript_dependence_tester): Handle the lexicographically negative
6208 distance vectors by recomputing the dependence relation.
6209 (compute_affine_dependence): Remove parameter loop_nest_depth.
6210 (compute_self_dependence): Don't call compute_subscript_distance.
6211 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6212 Add a parameter for the loop_nest.
6213 (find_loop_nest_1, find_loop_nest): New.
6214 (compute_data_dependences_for_loop): Compute the loop nest, and give
6215 up if the nest is not well formed.
6216 * tree-data-ref.h (loop_p): New.
6217 (struct data_dependence_relation): Replace size_vect field with
6218 loop_nest, a vec of loops.
6219 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6220 (DDR_LOOP_NEST): New.
6221 (print_dir_vectors, print_dist_vectors,
6222 debug_data_dependence_relation): Declared.
6223 (index_in_loop_nest): New.
6224 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6225 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6226 distance.
6228 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6230 * simplify-rtx.c (simplify_relational_operation): Call
6231 simplify_relational_operation_1 even if mode is VOIDmode.
6233 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6235 PR tree-optimization/26804
6236 * tree.h (DECL_CALL_CLOBBERED): New macro.
6237 (tree_decl_common): Add call_clobbered_flag.
6238 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6239 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6240 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6241 (mark_non_addressable): Ditto.
6242 * tree-ssa.c (verify_call_clobbered): New function.
6243 (verify_alias_info): Use it.
6244 * tree-pass.h (pass_reset_cc_flags): New prototype.
6245 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6246 (reset_cc_flags): New function.
6247 * passes.c (init_optimization_passes): Call reset_cc_flags after
6248 initializing referenced_vars.
6250 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6251 Roger Sayle <roger@eyesopen.com>
6253 PR middle-end/26717
6254 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6255 to 1.0 for non-real operands. Implement A / A optimization for
6256 complex operands.
6258 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6260 * config/i386/i386.c (size_cost): Correct the comment for
6261 cost of storing fp registers.
6262 (i386_cost): Likewise.
6263 (i486_cost): Likewise.
6264 (pentium_cost): Likewise.
6265 (pentiumpro_cost): Likewise.
6266 (k6_cost): Likewise.
6267 (athlon_cost): Likewise.
6268 (k8_cost): Likewise.
6269 (pentium4_cost): Likewise.
6270 (nocona_cost): Likewise.
6271 (generic64_cost): Likewise.
6272 (generic32_cost): Likewise.
6274 2006-03-24 Denis Chertykov <denisc@overta.ru>
6276 * config/avr/avr-protos.h (extra_constraint): Delete.
6277 (extra_constraint_Q): New declaration.
6278 * config/avr/constraints.md: New file.
6279 * config/avr/avr.md: Include it.
6280 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6281 (TMP_REGNO, ZERO_REGNO): Likewise.
6282 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6283 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6284 (extra_constraint): Delete.
6285 (extra_constraint_Q): Test for memory constraint 'Q'.
6286 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6287 (REG_CLASS_FROM_LETTER): Delete.
6288 (CONST_OK_FOR_LETTER_P): Delete.
6289 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6290 (EXTRA_CONSTRAINT): Delete.
6291 (TMP_REGNO): Delete.
6292 (ZERO_REGNO): Delete.
6294 2006-03-24 Jeff Law <law@redhat.com>
6296 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6297 directly. Call mark_new_vars_to_rename slightly earlier.
6299 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6301 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6302 (is_cxx): Likewise.
6303 (gen_compile_unit_die): Use new language types for Objective-C and
6304 Objective-C++.
6305 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6306 DW_LANG_C_plus_plus.
6308 PR 26793
6309 * config/t-darwin (crt3.o): Work around bug 26840.
6310 * config/darwin-crt3.c: Rewrite.
6311 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6313 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6315 * doc/invoke.texi: Document -femit-class-debug-always
6316 * common.opt: Add -femit-class-debug-always.
6318 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6320 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6321 index and base register.
6322 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6323 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6324 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6325 REGNO_OK_FOR_INDEX_P.
6326 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6327 ADDR_REGNO_P.
6328 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6329 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6330 REG_OK_FOR_BASE_P): Definitions removed.
6332 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6334 PR middle-end/26611
6335 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6336 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6337 set yet or weren't marked as local yet.
6339 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6341 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6342 the compiler.
6344 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6346 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6347 (rs6000_legitimate_small_data_p): Delete.
6348 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6349 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6350 and make static. Add forward declaration. Update uses.
6351 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6352 of offsettable_memref_p.
6353 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6354 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6356 2006-03-24 Jeff Law <law@redhat.com>
6358 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6359 around bug in immediate-use iterator.
6361 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6363 PR target/26607
6364 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6365 or __LITTLE_ENDIAN__.
6367 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6369 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6370 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6371 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6372 * config/sh/sh.opt (mdiv=): Amend description.
6373 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6374 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6375 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6376 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6377 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6378 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6379 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6380 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6381 TARGET_DIVIDE_CALL_FP.
6383 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6385 * haifa-sched.c (choose_ready): Fix type of the local variable.
6386 Move local variables. Add comment.
6387 (check_reg_live): Change signature. Make callable from debugger.
6388 * sched-int.h (check_reg_live): Update signature.
6389 * sched-ebb.c (check_reg_live): Update parameters.
6390 * sched-rgn.c (check_reg_live): Ditto.
6391 (region_head_or_leaf_p): Check pointer before dereferencing.
6392 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6393 before reload on optimization levels below 1.
6395 2006-03-23 Richard Henderson <rth@redhat.com>
6397 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6398 tls symbols.
6400 PR target/26347
6401 * config/alpha/predicates.md (local_symbolic_operand): Reject
6402 weak symbols.
6404 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6406 PR tree-opt/26795
6407 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6408 expressions which have overflowed constants.
6410 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6412 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6414 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6416 * cfgloopmanip.c (create_loop_notes): Removed.
6417 * final.c (final_scan_insn): Do not handle loop notes.
6418 * jump.c (squeeze_notes): Ditto.
6419 * cfglayout.c (skip_insns_after_block,
6420 duplicate_insn_chain): Ditto.
6421 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6422 create_loop_notes.
6423 * cfgloop.h (create_loop_notes): Declaration removed.
6425 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6427 * varasm.c (output_constant_pool): Restore fnname and fndecl
6428 arguments.
6429 (assemble_start_function): Adjust call accordingly.
6430 (assemble_end_function): Likewise.
6432 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6434 PR mudflap/26789
6435 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6437 PR mudflap/26790
6438 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6440 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6442 PR driver/22600
6443 * system.h (ICE_EXIT_CODE): New macro.
6444 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6445 (diagnostic_action_after_output): Likewise.
6446 * gcc.c (fatal_ice): New function.
6447 (execute): Use it instead of fatal.
6448 (fancy_abort): Likewise.
6449 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6451 2006-03-22 Jeff Law <law@redhat.com>
6453 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6454 iv_analyze_result returning false.
6456 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6458 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6460 2006-03-22 Richard Henderson <rth@redhat.com>
6462 PR middle-end/26084
6463 * except.c (duplicate_eh_regions_0): New.
6464 (duplicate_eh_region_1): Duplicate the children of the node as
6465 well as the node itself. Link them up properly.
6466 (duplicate_eh_region_2): Merge into ...
6467 (duplicate_eh_regions): ... here. Take copy_region argument, and
6468 copy only a sub-tree if asked. Simplify copying and fixup.
6469 (eh_region_outer_p): New.
6470 * except.h (duplicate_eh_regions): Update decl.
6471 (eh_region_outer_p): Declare.
6472 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6473 (lower_omp_master): Likewise.
6474 (lower_omp_ordered): Likewise.
6475 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6476 (move_stmt_r): Use it to remap labels. Handle recursion vs
6477 remap_decls_p properly.
6478 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6479 (find_outermost_region_in_block): New.
6480 (new_label_mapper): New.
6481 (move_sese_region_to_fn): Copy eh information to the new function
6482 properly.
6483 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6484 argument.
6485 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6486 number.
6488 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6490 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6491 into shared libraries.
6493 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6495 * doc/md.texi: Refer to i386/constraints.md instead of
6496 i386/predicates.md.
6497 * config/i386/constraints.md: New file, extracted from...
6498 * config/i386/predicates.md: ...here.
6499 * config/i386/i386.md: Include constraints.md.
6501 2006-03-21 Jason Merrill <jason@redhat.com>
6503 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6505 PR middle-end/20297
6506 * expr.c (init_block_move_fn): Force default visibility.
6507 (init_block_clear_fn): Likewise.
6508 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6509 * targhooks.c (default_external_stack_protect_fail): Likewise.
6511 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6513 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6514 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6515 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6516 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6517 (loadgp): Use mips_current_loadgp_style.
6518 (loadgp_noshared): New pattern.
6519 (sibcall_internal): Use MIPS_CALL.
6520 (sibcall_value_internal): Likewise.
6521 (sibcall_value_multiple_internal): Likewise.
6522 (call_internal): Likewise.
6523 (call_value_internal): Likewise.
6524 (call_value_multiple_internal): Likewise.
6525 (call_split): Use MIPS_CALL and add an 'S' constraint.
6526 (call_value_split): Likewise.
6527 (call_value_multiple_split): Likewise.
6528 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6529 (-mshared): New option.
6530 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6531 (mips_current_loadgp_style): Declare.
6532 * config/mips/mips.c (mips_classify_symbol): Avoid using
6533 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6534 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6535 TARGET_ABSOLUTE_ABICALLS.
6536 (override_options): Adjust comments. Improve the warning that is
6537 issued when -mabicalls and -G are used together.
6538 (mips_file_start): Remove comment.
6539 (mips_current_loadgp_style): New function.
6540 (mips_gnu_local_gp): New variable.
6541 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6542 LOADGP_ABSOLUTE.
6543 (mips_output_function_prologue): Use mips_current_laodgp_style.
6544 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6545 the cprestore instruction.
6546 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6547 live for TARGET_ABSOLUTE_ABICALLS.
6548 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6549 (ASM_SPEC): Pass down -mshared and -mno-shared.
6550 (MIPS_CALL): New macro.
6551 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6552 definition.
6553 * doc/invoke.texi (-mabicalls): Update documentation.
6554 (-mshared): Document.
6556 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6558 * config/ia64/unwind-hpux.c: New file.
6559 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6561 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6563 PR libgomp/26384
6564 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6566 2006-03-21 Jeff Law <law@redhat.com>
6568 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6569 type conversions of a VR_VARYING source to a wider type.
6571 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6573 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6574 tm_file on Solaris 10 and later.
6575 (sparc64-*-solaris2*): Likewise.
6576 (sparc-*-solaris2*): Likewise.
6577 * config/sol26.h: Rename to config/sol2-6.h.
6578 * config/sol2-10.h: New file.
6580 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6582 PR tree-opt/26781
6583 * tree-ssa-pre.c (create_component_ref_by_pieces):
6584 Handle STRING_CST.
6586 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6588 PR c++/26690
6589 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6590 return it immediately.
6592 2006-03-21 Michael Matz <matz@suse.de>
6594 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6595 New members.
6596 (remove_arc, add_arc): Update num_out_arcs member.
6597 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6598 of out arcs.
6599 (cache_presence): New function.
6600 (compare_states_for_equiv): New function.
6601 (state_is_differed): Don't take number of outargs, adjust callers.
6602 Use new invariant for speeding up.
6603 (init_equiv_class): Create initial classes based on sorted
6604 input.
6605 (partition_equiv_class): Don't track out_arcs_num.
6606 (evaluate_equiv_classes): Call cache_presence on all states and
6607 sort them.
6609 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6611 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6612 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6613 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6614 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6615 callers changed.
6616 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6617 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6618 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6619 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6620 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6621 macros.
6622 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6623 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6624 (REGNO_REG_CLASS): ARGP is in PREGS.
6625 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6626 IREGS.
6627 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6628 to deal with those addresses.
6629 * addresses.h: New file.
6630 * caller-save.c: Include "addresses.h".
6631 (init_caller_save): Use new base_reg_class function.
6632 * rtl-factoring.c: Include "addresses.h".
6633 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6634 * recog.c: Include "addresses.h".
6635 (preprocess_constraints): Use new base_reg_class function.
6636 * regrename.c: Include "addresses.h".
6637 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6638 functions. Keep track of a new var INDEX_CODE to compute valid
6639 classes.
6640 (replace_oldest_value_addr): Likewise.
6641 (replace_oldest_value_mem): Use base_reg_class.
6642 * reload.c: Include "addresses.h".
6643 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6644 (find_reloads): Use new base_reg_class function.
6645 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6646 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6647 all callers and prototype changed.
6648 * reload1.c: Include "addresses.h".
6649 (maybe_fix_stack_asms): Use base_reg_class.
6650 * regclass.c: Include "addresses.h".
6651 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6652 (init_reg_autoinc): Use new base_reg_class function.
6653 (record_reg_classes): Likewise.
6654 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6655 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6656 Use new args to compute necessary class.
6658 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6659 regrename.o, rtl-factoring.o): Update dependencies.
6660 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6661 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6662 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6663 REG_OK_FOR_INDEX_P): Delete documentation.
6665 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6667 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6668 from V7 to V9 for Solaris 7 and above.
6670 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6672 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6673 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6674 argument pointers may not alias any other storage.
6675 * common.opt: Define option -fargument-noalias-anything.
6676 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6677 alias semantics is specified by flag_argument_noalias > 2.
6679 2006-03-20 Jeff Law <law@redhat.com>
6681 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6682 (pass_phi_only_cprop): Declare.
6683 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6684 with phi_only_cprop
6685 * tree-ssa-dom.c (degenerate_phi_result): New function.
6686 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6687 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6688 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6689 (eliminate_degenerate_phis): Likewise.
6690 (pass_phi_only_cprop): New pass descriptor.
6691 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6692 support code. Callers updated.
6693 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6694 (store_copy_prop): Likewise.
6695 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6697 2006-03-20 Jason Merrill <jason@redhat.com>
6699 PR c++/21764
6700 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6701 (push_visibility, pop_visibility): Likewise.
6702 * c-pragma.h: Declare them.
6704 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6706 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6708 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6709 parameter and use get_ebb_head_tail.
6710 (sh_md_init_global): Adjust uses of find_regmode_weight.
6712 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6714 * function.h (struct function) <x_tail_recursion_reentry>:
6715 Rename to x_stack_check_probe_note.
6716 (tail_recursion_reentry): Rename to stack_check_probe_note.
6717 * function.c: Replace tail_recursion_reentry with
6718 stack_check_probe_note everywhere.
6719 (expand_function_start): Only emit a note for
6720 stack_check_probe_note with -fstack-protect.
6721 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6723 * emit-rtl.c (remove_unnecessary_notes): Remove.
6724 (pass_remove_unnecessary_notes): Remove.
6725 * rtl.h (remove_unnecessary_notes): Remove prototype.
6726 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6727 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6728 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6730 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6732 PR tree-opt/26629
6733 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6734 (valid_in_set): Handle ARRAY_REF.
6735 Change "if min_variant or VH" to asserts.
6736 (create_component_ref_by_pieces): Handle ARRAY_REF.
6737 (create_expression_by_pieces): Likewise.
6738 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6740 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6742 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6743 is operand of switch, not str[0].
6745 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6747 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6748 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6750 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6752 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6753 end of insn_extra_address_constraint declaration.
6755 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6757 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6758 (no-sum-in-toc): Same.
6759 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6760 variables.
6761 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6762 NO_FP_IN_TOC for -fPIC instead of mask.
6764 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6765 (BOOT_LDFLAGS): Delete.
6766 (LDFLAGS): Delete.
6767 * config/rs6000/t-aix52: Same.
6769 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6770 (stmsi[345678]_power): New.
6772 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6774 * config/ia64/ia64.opt: Add empty line to end of file.
6776 2006-03-17 Richard Guenther <rguenther@suse.de>
6778 PR middle-end/26721
6779 * builtins.c (get_pointer_alignment): For component style references
6780 adjust alignment to the component type alignment. Make sure
6781 to adjust alignment for component access of constants.
6783 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6785 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6786 unconditional jump.
6788 2006-03-17 Paul Brook <paul@codesourcery.com>
6790 * doc/install.texi: Docuemnt --with-mode.
6791 * config.gcc: Add --with-mode for arm*-*-*.
6792 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6794 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6796 * sh.c (max_labelno_before_reorg): New variable.
6797 (sh_reorg): Initialize it.
6798 (find_barrier): Check max_labelno_before_reorg before using
6799 label_to_alignment. Take length of explicit alignment insns
6800 into account. When seeing a UNSPECV_CONST_END, return it.
6802 * sh.c (fixup_mova): Set mode of affected label to QImode.
6803 (untangle_mova): New function.
6804 (find_barrier): Use it. Check mode of label before decrementing
6805 num_mova.
6806 (sh_reorg): Likewise.
6807 Set mode of all insns back to VOIDmode.
6809 * sh.c (MOVA_LABELREF): New macro.
6810 (mova_p, fixup_mova, sh_reorg): Use it.
6811 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6812 ADDR_DIFF_VEC matches mova.
6814 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6816 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6817 with ATTRIBUTE_UNUSED.
6819 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6821 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6822 pointer, instead of assuming it is possible to derive the
6823 correct args size from a call insn.
6825 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6827 * rtl.h (CONST_INT_P): Define.
6828 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6829 instead of GET_CODE(x) == CONST_INT.
6830 (vax_rtx_costs): Likewise.
6831 (vax_output_int_move): Likewise.
6832 (vax_output_int_add): Likewise.
6833 (legitimate_constant_address_p): Likewise.
6834 (index_term_p): Likewise.
6835 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6836 * config/vax/vax.md (and<mode>3): Likewise.
6837 (ashrsi3): Likewise.
6838 (extv): Likewise.
6839 (movstricthi): Likewise.
6840 (movstrictqi): Likewise.
6841 (rotrsi3): Likewise.
6842 (five unnamed insns): Likewise.
6844 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6846 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6847 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6848 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6849 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6850 Pass to ASM_OUTPUT_DWARF_OFFSET.
6851 * dwarf2out.c (debug_frame_section): New.
6852 (output_call_frame_info): Use debug_frame_section. Pass it to
6853 dw2_asm_output_offset.
6854 (output_die): Pass appropriate section to dw2_asm_output_offset.
6855 (output_compilation_unit_header): Likewise.
6856 (output_pubnames): Likewise.
6857 (output_aranges): Likewise.
6858 (enum dw_val_class): Break dw_val_class_lbl_offset into
6859 dw_val_class_lineptr and dw_val_class_macptr.
6860 (add_AT_lbl_offset): Delete.
6861 (add_AT_lineptr): New.
6862 (add_AT_macptr): New.
6863 (AT_lbl): Expect a lineptr or macptr.
6864 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6865 (attr_checksum): Likewise.
6866 (same_dw_val_p): Likewise.
6867 (size_of_die): Likewise.
6868 (value_format): Likewise.
6869 (output_die): Likewise.
6870 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6871 add_AT_lbl_offset.
6872 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6873 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6874 * config/darwin-protos.h (darwin_file_start): New.
6875 (darwin_asm_output_dwarf_offset): New.
6876 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6877 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6878 darwin_file_start.
6879 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6880 if not EH section; simplify.
6881 (darwin_file_start): New.
6882 (darwin_asm_output_dwarf_offset): New.
6883 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6884 mark as 'debug'.
6885 (DEBUG_INFO_SECTION): Likewise.
6886 (DEBUG_ABBREV_SECTION): Likewise.
6887 (DEBUG_ARANGES_SECTION): Likewise.
6888 (DEBUG_MACINFO_SECTION): Likewise.
6889 (DEBUG_LINE_SECTION): Likewise.
6890 (DEBUG_LOC_SECTION): Likewise.
6891 (DEBUG_PUBNAMES_SECTION): Likewise.
6892 (DEBUG_STR_SECTION): Likewise.
6893 (DEBUG_RANGES_SECTION): Likewise.
6894 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6895 (ASM_OUTPUT_DWARF_OFFSET): New.
6897 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6899 * config.gcc (tm_defines): Always add to previous value rather
6900 than replacing it.
6902 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6904 * config/mips/predicates.md (splittable_const_int_operand): New,
6905 split from move_operand.
6906 (splittable_symbolic_operand): New.
6907 (move_operand): Add commentary. Use splittable_const_int_operand.
6908 Inline mips_atomic_symbolic_constant_p.
6909 * config/mips/mips.md: Add combine splitters for handling moves
6910 of splittable_const_int_operands and splittable_symbolic_operands.
6911 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6912 (mips_split_symbol): Declare.
6913 (mips_move_integer): Declare.
6914 * config/mips/mips.c (mips_split_p): Make global.
6915 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6916 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6917 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6918 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6919 (mips_offset_within_object_p): Handle block symbols.
6920 (mips_atomic_symbolic_constant_p): Delete.
6921 (mips_cannot_force_const_mem): Return false for constants that
6922 mips_legitimize_move can handle.
6923 (mips_use_blocks_for_constant_p): New function.
6924 (mips_split_symbol): Make global.
6925 (mips_move_integer): Likewise. Add a temporary register argument.
6926 (mips_legitimize_const_move): Use splittable_const_int_operand and
6927 splittable_symbolic_operand.
6928 (mips_use_anchors_for_symbol_p): New function.
6929 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6930 (mips_split_p): Declare.
6932 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6934 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6935 (mips*-*-linux*): Likewise.
6937 2006-03-16 Roger Sayle <roger@eyesopen.com>
6938 Daniel Speyer <dspeyer@wam.umd.edu>
6940 PR middle-end/18259
6941 * tree-dump.c (dump_real): New function.
6942 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6943 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6944 (tree-dump.o): Add $(REAL_H) to the dependencies.
6946 2006-03-16 Roger Sayle <roger@eyesopen.com>
6948 PR middle-end/21781
6949 * real.c (real_from_string): If the mantissa is zero, don't bother
6950 parsing the exponent as the result should always be zero.
6952 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6954 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6956 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6958 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6959 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6960 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6961 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6962 ia64_sched_finish_global): New static functions to implement
6963 hooks from gcc_target.sched.
6964 (spec_check_no, max_uid, pending_data_specs): New static variables.
6965 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6966 ia64_spec_check_src_p): New static functions.
6967 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6968 (TARGET_SCHED_ADJUST_COST): Removed.
6969 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6970 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6971 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6972 TARGET_SCHED_GEN_CHECK,
6973 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6974 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6975 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6976 Fixed to handle speculation checks.
6977 (rtx_needs_barrier): Fixed to handle speculative loads and
6978 their checks.
6979 (ia64_variable_issue): Added code to count speculative loads and their
6980 checks.
6981 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6982 speculative loads.
6983 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6984 New enumerations.
6985 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6986 New constants.
6987 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6988 (ia64_reorg): Reset stops_p to NULL after it is freed.
6989 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6990 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6991 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6992 chk_a.
6993 (data_speculative, control_speculative, check_load): New attributes.
6994 (mov<mode>_advanced, mov<mode>_speculative,
6995 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6996 zero_extend<mode>di2_speculative,
6997 zero_extend<mode>di2_speculative_advanced): New patterns for
6998 data and control speculative loads.
6999 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7000 check loads.
7001 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7002 New pattern for data and control speculation checks.
7003 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7004 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7005 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7006 Auxiliary definitions for the patterns.
7007 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7008 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7009 constraints.
7010 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7011 for speculation.
7012 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7013 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7014 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7015 New resource constraints.
7016 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7017 for speculation.
7018 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7019 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7020 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7021 msched-in-control-spec, msched-ldc, msched-control-ldc,
7022 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7023 msched-prefer-non-control-spec-insns,
7024 msched-count-spec-in-critical-path): New flags to tune speculative
7025 scheduling.
7026 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7027 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7028 msched-in-control-spec, msched-ldc, msched-control-ldc,
7029 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7030 msched-prefer-non-control-spec-insns,
7031 msched-count-spec-in-critical-path): Document new flags.
7033 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7035 * target.h (struct spec_info_def): New opaque declaration.
7036 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7037 speculate_insn, needs_block_p, gen_check,
7038 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7039 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7040 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7041 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7042 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7043 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7044 gcc_target.sched.
7045 (TARGET_SCHED): Use new macros.
7046 * rtl.h (copy_DEPS_LIST_list): New prototype.
7047 * sched-int.h (struct sched_info): Change signature of new_ready field,
7048 adjust all initializations. New fields: add_remove_insn,
7049 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7050 region_head_or_leaf_p.
7051 (struct spec_info_def): New structure declaration.
7052 (spec_info_t): New typedef.
7053 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7054 recovery_block, orig_pat.
7055 (glat_start, glat_end): New variables declaraions.
7056 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7057 New access macros.
7058 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7059 DETACH_LIFE_INFO, USE_GLAT.
7060 (enum SPEC_SCHED_FLAGS): New enumeration.
7061 (NOTE_NOTE_BB_P): New macro.
7062 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7063 attach_life_info, debug_spec_status, check_reg_live): New functions.
7064 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7065 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7066 sched-ebb.c
7067 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7068 * ddg.c (get_block_head_tail): Adjust all uses.
7069 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7070 (sms_sched_info): Initialize new fields.
7071 (contributes_to_priority): Removed.
7072 * haifa-sched.c (params.h): New include.
7073 (get_block_head_tail): Adjust all uses.
7074 (ISSUE_POINTS): New macro.
7075 (glat_start, glat_end): New global variables.
7076 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7077 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7078 old_last_basic_block, before_recovery, current_sched_info_var,
7079 rgn_n_insns, luid): New static variables.
7080 (insn_cost1): New function. Move logic from insn_cost to here.
7081 (find_insn_reg_weight1): New function. Move logic from
7082 find_insn_reg_weight to here.
7083 (reemit_notes, move_insn, max_issue): Change signature.
7084 (move_insn1): Removed.
7085 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7086 extend_bb): New static functions to support extension of scheduler's
7087 data structures.
7088 (generate_recovery_code, process_insn_depend_be_in_spec,
7089 begin_speculative_block, add_to_speculative_block,
7090 init_before_recovery, create_recovery_block, create_check_block_twin,
7091 fix_recovery_deps): New static functions to support
7092 generation of recovery code.
7093 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7094 restore_bb_notes, move_block_after_check, move_succs): New static
7095 functions to support ebb scheduling.
7096 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7097 functions to support handling of register live information.
7098 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7099 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7100 add_jump_dependencies): New static functions.
7101 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7102 consistancy checking.
7103 (debug_spec_status): New function to call from debugger.
7104 (priority): Added code to handle speculation checks.
7105 (rank_for_schedule): Added code to distinguish speculative instructions.
7106 (schedule_insn): Added code to handle speculation checks.
7107 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7108 Fixed to handle ebbs.
7109 (move_insn): Added code to handle ebb scheduling.
7110 (max_issue): Added code to use ISSUE_POINTS of instructions.
7111 (choose_ready): Added code to choose between speculative and
7112 non-speculative instructions.
7113 (schedule_block): Added code to handle ebb scheduling and scheduling of
7114 speculative instructions.
7115 (sched_init): Initialize new variables.
7116 (sched_finish): Free new variables. Print statistics.
7117 (try_ready): Added code to handle speculative instructions.
7118 * lists.c (copy_DEPS_LIST_list): New function.
7119 * sched-deps.c (extend_dependency_caches): New function. Move logic
7120 from create_dependency_caches to here.
7121 (get_dep_weak, ds_merge): Make global.
7122 * genattr.c (main): Code to output prototype for
7123 dfa_clear_single_insn_cache.
7124 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7125 (output_dfa_clean_insn_cache_func): Code to output
7126 dfa_clear_single_insn_cache function.
7127 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7128 n_insns.
7129 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7130 Removed.
7131 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7132 New static variables.
7133 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7134 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7135 struct sched_info.
7136 (ebb_sched_info): Initialize new fields.
7137 (get_block_head_tail): Adjust all uses.
7138 (compute_jump_reg_dependencies): Fixed to use glat_start.
7139 (schedule_ebb): Code to remove unreachable last block.
7140 (schedule_ebbs): Added code to update register live information.
7141 * sched-rgn.c (region_sched_info): Initialize new fields.
7142 (get_block_head_tail): Adjust all uses.
7143 (last_was_jump): Removed. Adjust users.
7144 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7145 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7146 Implement new hooks.
7147 (check_dead_notes1): New static function.
7148 (struct region): New fields: dont_calc_deps, has_real_ebb.
7149 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7150 (BB_TO_BLOCK): Fixed to handle EBBs.
7151 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7152 (ebb_head): New static variable.
7153 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7154 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7155 new fields.
7156 (compute_dom_prob_ps): New assertion.
7157 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7158 global_live_at_start.
7159 (init_ready_list): New assertions.
7160 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7161 (new_ready): Add support for BEGIN_CONTROL speculation.
7162 (schedule_insns): Fixed code that updates register live information
7163 to handle EBBs.
7164 (schedule_region): Fixed to handle EBBs.
7165 (init_regions): Use extend_regions and check_dead_notes1.
7166 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7167 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7168 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7169 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7170 TARGET_SCHED_GEN_CHECK,
7171 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7172 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7173 * doc/invoke.texi (max-sched-insn-conflict-delay,
7174 sched-spec-prob-cutoff): Document.
7176 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7178 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7179 inter_tick, queue_index.
7180 (struct sched_info): Change signature of init_ready_list field.
7181 Adjust all initializations.
7182 (RESOLVED_DEPS): New access macro.
7183 (ready_add): Remove prototype.
7184 (try_ready): Add prototype.
7185 * sched-rgn.c (init_ready_list): Use try_ready.
7186 (schedule_region): Initialize
7187 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7188 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7189 (init_ready_list): Use try_ready.
7190 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7191 * lists.c (remove_list_elem): Remove `static'.
7192 (remove_free_INSN_LIST_elem): New function.
7193 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7194 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7195 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7196 New constants.
7197 (readyp): New variable.
7198 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7199 change_queue_index, resolve_dep): New static functions.
7200 (try_ready): New function. Adjust callers in sched-rgn.c and
7201 sched-ebb.c to use it instead of ready_add.
7202 (clock_var): Move at the begining of file.
7203 (rank_for_schedule): Fix typo.
7204 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7205 (ready_lastpos): Enforce assertion.
7206 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7207 update all callers.
7208 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7209 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7210 (queue_to_ready): Use free_INSN_LIST_list.
7211 (early_queue_to_ready): Fix typo.
7212 (schedule_block): Init readyp. Move init_ready_list call after the
7213 initialization of clock_var. Fix error in rejecting insn by
7214 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7215 that previously corrected INSN_TICKs. Add code for handling
7216 QUEUE_INDEX.
7217 (set_priorities): Fix typo.
7218 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7219 Clarify comment and code that keeps current_sched_info->next_tail
7220 non-null.
7222 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7224 * sched-rgn.c (extend_rgns): New static function.
7225 (find_rgns): Use it.
7226 (gather_region_statistics, print_region_statistics): New static
7227 functions.
7228 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7229 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7231 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7232 Andrey Belevantsev <abel@ispras.ru>
7234 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7235 * lists.c (unused_deps_list): New variable.
7236 (free_list): Add assertions to verify the proper distinguishing
7237 between INSN_LISTs and DEPS_LISTs.
7238 (find_list_elem, remove_list_elem, remove_list_node): New static
7239 functions.
7240 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7241 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7242 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7243 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7244 an INSN_LIST.
7245 (free_INSN_LIST_node): Likewise.
7246 * modulo-sched.c (current_sched_info): Initialize flags field.
7247 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7248 * rtl.def (DEPS_LIST): Define.
7249 * rtl.h: Declare new functions from lists.c.
7250 * sched-deps.c (spec_dependency_cache): New static variable.
7251 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7252 (add_dependence): Change return type to void. Move the logic to ...
7253 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7254 (delete_all_dependences): Add comment about forward_dependency_cache.
7255 Handle spec_dependency_cache. Handle DEPS_LISTs.
7256 (fixup_sched_groups): Clarify the change of priority of output
7257 and anti dependencies.
7258 (sched_analyze_2): Adjust add_dependence calls to create data
7259 speculative dependence.
7260 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7261 Adjust all callers. Handle DEPS_LISTS.
7262 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7263 presence of speculation.
7264 (init_dependency_caches, free_dependency_caches):
7265 Handle spec_dependency_cache.
7266 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7267 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7268 New static functions.
7269 (add_or_update_back_dep, add_or_update_back_forw_dep,
7270 add_back_forw_dep, delete_back_forw_dep): New functions.
7271 * sched-int.h (ds_t, dw_t): New typedefs.
7272 (struct sched_info): Add new field flags.
7273 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7274 Prototype new sched-deps.c functions.
7275 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7276 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7277 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7278 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7279 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7280 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7281 New constants.
7282 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7283 New enums.
7284 * sched-rgn.c (current_sched_info): Initialize flags field.
7285 (schedule_insns): Initialize current_sched_info before the sched_init
7286 call.
7287 * sched-ebb.c (current_sched_info): Initialize flags field.
7288 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7289 Call add_or_update_back_dep instead of add_dependence.
7290 Create control speculative dependencies.
7291 (schedule_insns): Initialize current_sched_info before the sched_init
7292 call.
7294 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7296 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7297 fs->signal_frame.
7298 (sh_fallback_frame_state): Likewise.
7300 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7302 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7303 Do switch on default_use_cxa_atexit.
7304 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7305 * config/darwin-crt3.o: New.
7306 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7307 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7308 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7309 OS version.
7310 * config/rs6000/t-darwin: Move crt2.o building to here.
7311 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7312 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7313 of __cxa_atexit.
7315 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7317 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7318 from '! xxx' to '!xxx' for coding-style conformance.
7319 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7320 (EXTRA_CONSTRAINT): Likewise.
7321 * config/vax/vax.md (four unnamed insns): Likewise.
7323 2006-03-15 Paul Brook <paul@codesourcery.com>
7325 * config/arm/arm.c (minipool_pad): New.
7326 (add_minipool_forward_ref): Include pool alignment padding in address
7327 calculation.
7328 (push_minipool_fix): Set minipool_pad.
7329 (minipool_pad): Ditto.
7331 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7333 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7334 instead of GET_CODE() == MEM and REG_P() instead of
7335 GET_CODE() == REG.
7336 (print_operand_address): Likewise.
7337 (vax_address_cost): Likewise.
7338 (vax_rtx_costs): Likewise.
7339 (vax_notice_update_cc): Likewise.
7340 (vax_output_int_add): Likewise.
7341 (INDEX_REGISTER_P): Likewise.
7342 (BASE_REGISTER_P): Likewise.
7343 (nonindexed_address_p): Likewise.
7344 (vax_mode_dependent_address_p): Likewise.
7345 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7346 (PRINT_OPERAND): Likewise.
7347 * config/vax/vax.md (ashlsi3): Likewise.
7348 (ashlsi3): Likewise.
7349 (some more unnamed insns): Likewise.
7351 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7353 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7354 iterator-style macro.
7355 (mark_control_dependent_edges_necessary): Update the use of
7356 EXECUTE_IF_CONTROL_DEPENDENT.
7358 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7360 * config/sh/predicates.md (cache_address_operand): Special.
7361 (ua_address_operand): Likewise.
7363 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7365 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7366 loop notes.
7367 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7369 2006-03-15 Andreas Schwab <schwab@suse.de>
7371 * gensupport.c (identify_predicable_attribute): Don't free p_false
7372 when it is still in use.
7374 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7376 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7377 the default setting here.
7379 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7381 * tree-pass.h (pass_cfg): Remove.
7382 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7383 * passes.c (pass_cfg): Don't run it.
7385 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7387 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7388 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7389 VEC(char,heap) *.
7390 (stack_regs_mentioned): Update the uses of
7391 stack_regs_mentioned_data. Don't access the array beyond its
7392 end.
7393 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7394 Don't include gt-reg-stack.h.
7396 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7397 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7399 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7401 PR middle-end/26684
7402 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7403 STACK_REGS.
7405 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7407 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7409 2006-03-14 Richard Guenther <rguenther@suse.de>
7411 PR tree-optimization/26672
7412 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7413 SSA form.
7415 2006-03-14 Richard Guenther <rguenther@suse.de>
7417 PR tree-optimization/26667
7418 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7419 node for the callees. Always allow inlining if it will shrink
7420 the function size.
7422 2006-03-14 Richard Guenther <rguenther@suse.de>
7424 PR middle-end/26659
7425 * builtins.c (get_pointer_alignment): Prefer alignment
7426 information from decls over that from types.
7428 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7430 PR target/26657
7431 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7433 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7435 * config/rs6000/rs6000.opt (mdlmzb): New option.
7436 (msched-prolog, msched-epilog): Use Var not Mask.
7437 * doc/invoke.texi (-mdlmzb): Document.
7438 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7439 MASK_SCHED_PROLOG.
7440 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7441 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7443 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7445 PR rtl-optimization/25739
7446 * bt-load.c (augment_live_range): Free tos pointer.
7448 * gensupport.c (identify_predicable_attribute): Free
7449 p_false pointer.
7450 * gcov.c (create_file_names): Free name pointer.
7452 2006-03-13 Roger Sayle <roger@eyesopen.com>
7454 PR middle-end/26557
7455 * stmt.c (emit_case_nodes): Handle the case where the index is a
7456 CONST_INT, where the comparison mode is specified by the index type.
7458 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7460 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7461 is defined.
7463 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7465 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7466 (*branch_fp_inverted): Likewise.
7468 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7470 PR middle-end/25989
7471 * omp-low.c (expand_omp_for_generic): Mark istart0
7472 and iend0 as addressable.
7474 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7476 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7478 2006-03-13 Jeff Law <law@redhat.com>
7480 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7481 virtual operands are interesting.
7482 (vrp_visit_stmt): Corresponding changes.
7484 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7486 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7487 of RETS.
7488 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7489 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7490 * config/bfin/crti.S: Use it instead of __PIC__.
7491 * config/bfin/crtn.S: Likewise.
7493 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7494 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7495 not if flag_pic.
7496 Lose 'G' modifier for call operand.
7497 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7498 recognize 'G' modifier.
7500 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7502 PR middle-end/18859
7503 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7504 * stmt.c (expand_case): Likewise.
7506 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7508 PR rtl-optimization/26254
7509 * loop-invariant.c (seq_insns_valid_p): New function.
7510 (move_invariant_reg): Only emit new code if it is valid.
7512 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7514 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7515 Removed.
7516 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7517 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7518 (commit_one_edge_insertion): Do not look for loop notes.
7520 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7522 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7523 flag_test_coverage out of loop.
7525 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7527 * final.c (shorten_branches): Remove outdated comment, and turn
7528 the if branch that guards it to continue.
7530 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7532 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7533 * cfgloop.h (struct loop): Remove unused fields.
7535 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7537 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7538 (-dL, -fdump-rtl-loop2): Update the dump file names
7540 * doc/invoke.texi: Update dump file names.
7542 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7544 * predict.c (estimate_probability): Remove.
7545 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7546 * basic-block.h (estimate_probability): Remove prototype.
7547 * passes.c (finish_optimization_passes): Dump branch prediction or
7548 profiling heuristics to the .profile tree dump.
7549 (init_optimization_passes): Unqueue pass_branch_prob.
7551 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7553 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7555 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7556 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7558 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7560 * function.h (frame_offset_overflow): Declare.
7561 * function.c (frame_offset_overflow): New function.
7562 (assign_stack_local_1): Call it to detect that the offset overflows.
7563 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7565 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7567 * config/sh/sh.c: Include alloc-pool.h.
7568 (label_ref_list_pool): New alloc pool.
7569 (label_ref_list_t): New type for lists of labels.
7570 (struct pool_node): Make wend a label_ref_list_t.
7571 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7572 references.
7573 (dump_table): Likewise.
7574 (sh_reorg): Set up the alloc pool before using add_constant and
7575 dump_table, and destroy it when finishing.
7577 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7579 * config/mips/mips.c: Remove redundant comment.
7581 2006-03-10 Jason Merrill <jason@redhat.com>
7583 PR c/26004
7584 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7585 the target was declared 'register'.
7587 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7589 * genpreds.c (write_insn_constraint_len): Change definition of
7590 insn_constraint_len to return size_t to match the declaration.
7592 2006-03-10 DJ Delorie <dj@redhat.com>
7594 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7595 start at zero.
7596 (m32c_expand_insv): Fix test for an AND mask.
7598 2006-03-10 Richard Guenther <rguenther@suse.de>
7600 PR middle-end/26565
7601 * builtins.c (get_pointer_alignment): Handle component
7602 references for field alignment.
7604 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7606 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7607 when building with libgloss.
7608 (sh*elf): Implement --without-fp option.
7609 (sh64-superh-linux*): Don't multilib.
7611 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7613 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7615 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7617 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7618 Set it when one of the replacement functions returned true.
7619 Return TODO_cleanup_cfg if cfgchanged is true.
7620 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7622 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7624 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7625 instead of gen_lowpart.
7627 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7629 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7630 interface.
7631 (mips_output_order_conditional_branch): Declare.
7632 * config/mips/mips.h (MIPS_BRANCH): New macro.
7633 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7634 for the comparison. Use gen_condjump.
7635 (mips_output_conditional_branch): Rework interface to take the
7636 asm templates for a direct branch and the inverse of a direct branch.
7637 (mips_output_order_conditional_branch): New function.
7638 (mips_builtin_branch_and_move): New function.
7639 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7640 branch condition. Use gen_single_cc as the condition for
7641 __builtin_mips_upper_* or __builtin_mips_lower_*.
7642 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7643 Use VOIDmode for the branch condition.
7644 * config/mips/predicates.md (order_operator): New predicate.
7645 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7646 (branch_fp): Rename to...
7647 (*branch_fp): ...this. Remove mode from comparison operator.
7648 Use new mips_output_conditional_branch interface.
7649 (branch_fp_inverted): Rename to...
7650 (*branch_fp_inverted): ...this and update as for *branch_fp.
7651 (*branch_zero<mode>): Rename to...
7652 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7653 Use mips_output_order_conditional_branch. Only accept ordered
7654 comparisons.
7655 (*branch_zero<mode>_inverted): Rename to...
7656 (*branch_order<mode>_inverted): ...this and update as for
7657 *branch_order<mode>.
7658 (*branch_equality<mode>): Accept zero as the second operand to
7659 the equality operator. Use the new mips_output_conditional_branch
7660 interface.
7661 (*branch_equality<mode>_inverted): Likewise.
7662 (condjump): New expander.
7663 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7664 operator.
7665 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7666 (bc1any2t, bc1any2f): Likewise.
7667 (single_cc): New expander.
7668 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7670 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7672 * doc/md.texi: Update documentation of MIPS constraints.
7673 * config/mips/constraints.md: New file.
7674 * config/mips/mips.md: Include it.
7675 * config/mips/mips.c (mips_char_to_class): Delete.
7676 (override_options): Don't initialize mips_char_to_class.
7677 * config/mips/mips.h (mips_char_to_class): Delete.
7678 (REG_CLASS_FROM_LETTER): Delete.
7679 (CONST_OK_FOR_LETTER_P): Delete.
7680 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7681 (EXTRA_CONSTRAINT_Y): Delete.
7682 (EXTRA_CONSTRAINT_STR): Delete.
7683 (CONSTRAINT_LEN): Delete.
7684 (EXTRA_MEMORY_CONSTRAINT): Delete.
7686 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7688 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7689 original fn's eh regions.
7691 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7693 * fold-const.c (build_range_check): Make sure to use a valid type to
7694 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7695 transformation.
7697 (range_predecessor): New static function.
7698 (range_successor): Likewise.
7699 (merge_ranges): Use them to compute predecessors and successors of
7700 range bounds.
7702 2006-03-09 Roger Sayle <roger@eyesopen.com>
7704 PR middle-end/26561
7705 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7706 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7708 2006-03-08 DJ Delorie <dj@redhat.com>
7710 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7711 (addpsi3): Expand to include memory operands. Remove
7712 reload-specific splits.
7713 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7714 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7715 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7716 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7717 (shift1_qi, shift1_hi, insv): New.
7718 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7719 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7720 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7721 cond_to_int): New.
7722 * config/m32c/m32c-protos.h: Update as needed.
7723 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7724 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7725 Fail for unrecognized R* constraints.
7726 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7727 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7728 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7729 Add Sp constraint.
7730 (m32c_init_libfuncs): New.
7731 (m32c_legitimate_address_p): Add debug wrapper.
7732 (m32c_rtx_costs): New.
7733 (m32c_address_cost): New.
7734 (conversions): Add 'B' prefix.
7735 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7736 operands, or word regnames for QI operands. 'B' prints bit
7737 position.
7738 (m32c_expand_setmemhi): New.
7739 (m32c_expand_movmemhi): New.
7740 (m32c_expand_movstr): New.
7741 (m32c_expand_cmpstr): New.
7742 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7743 (m32c_expand_neg_mulpsi3): Handle non-ints.
7744 (m32c_cmp_flg_0): New.
7745 (m32c_expand_movcc): New.
7746 (m32c_expand_insv): New.
7747 (m32c_scc_pattern): New.
7748 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7749 a0/a1 out of SIregs.
7750 (STORE_FLAG_VALUE): New.
7751 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7752 code macros.
7753 (no_insn): New.
7754 * config/m32c/mov.md: Make constraints more liberal.
7755 (zero_extendqihi2): Optimize r0/r1 case.
7756 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7757 * config/m32c/predicates.md (m32c_any_operand): New.
7758 (m32c_nonimmediate_operand): New.
7759 (m32c_hl_operand): New.
7760 (m32c_r3_operand): New.
7761 (ap_operand): New.
7762 (ma_operand): New.
7763 (memsym_operand): New.
7764 (memimmed_operand): New.
7765 (a_qi_operand): New.
7766 (m32c_eqne_operator): New.
7767 (m32c_1bit8_operand): New.
7768 (m32c_1bit16_operand): New.
7769 (m32c_1mask8_operand): New.
7770 (m32c_1mask16_operand): New.
7771 * config/m32c/blkmov.md: New file.
7772 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7774 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7776 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7777 unsigned to fix signed/unsigned comparison issue in
7778 DWARF2_FRAME_REG_OUT.
7779 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7780 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7782 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7783 of ptr into the ENABLE_CHECKING section.
7785 2006-03-08 Jeff Law <law@redhat.com>
7787 * tree-vrp.c (infer_value_range): Only count pointer uses
7788 and dereferences if -fdelete-null-pointer-checks is enabled.
7790 * tree-vrp.c (find_assert_locations): Infer value ranges for
7791 single use pointers, but do not create ASSERT_EXPRs for them.
7792 When a non-null range is inferred for a pointer, backwards
7793 propagate that range to other equivalent pointers through the
7794 use-def chain.
7796 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7798 PR bootstrap/26500
7799 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7800 language hook targets.
7801 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7802 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7803 if language hook targets were missing.
7805 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7807 * tree-ssa-opfinalize.h: Removed.
7808 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7809 dependency.
7810 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7811 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7812 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7813 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7814 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7815 finalize_ssa_v_must_def_ops): New.
7817 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7819 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7820 block as parameter.
7822 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7824 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7826 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7827 addresses with offsets; reorganize.
7829 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7830 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7831 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7833 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7835 PR target/26588
7836 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7838 2006-03-08 Ben Elliston <bje@au.ibm.com>
7840 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7842 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7844 PR gomp/26238
7845 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7846 expansion.
7848 2006-03-07 Richard Guenther <rguenther@suse.de>
7850 PR tree-optimization/26587
7851 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7853 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7855 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7857 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7859 * hooks.c (hook_bool_mode_rtx_true): New function.
7860 * hooks.h (hook_bool_mode_rtx_true): Declare.
7861 * toplev.c (compile_file): Call output_shared_constant_pool.
7862 * varasm.c (shared_constant_pool): New variable.
7863 (assemble_start_function, assemble_end_function): Remove arguments
7864 from call to output_constant_pool.
7865 (create_constant_pool): New function, split out from...
7866 (init_varasm_status): ...here.
7867 (force_const_mem): Choose between the shared and per-function constant
7868 pools. Set current_function_uses_const_pool when reusing old entries
7869 as well as when creating new ones.
7870 (mark_constant): Ignore data argument.
7871 (mark_constants): Remove pool argument.
7872 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7873 to decide whether the function uses a constant pool.
7874 (output_constant_pool_contents): New function, split out from...
7875 (output_constant_pool): ...here.
7876 (output_shared_constant_pool): New function.
7877 (init_varasm_once): Initialize shared_constant_pool.
7878 * output.h (output_constant_pool): Delete.
7879 (output_shared_constant_pool): Declare.
7880 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7881 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7883 2006-03-06 Nick Clifton <nickc@redhat.com>
7885 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7886 flag_strength_reduce.
7888 2006-03-06 Ben Elliston <bje@au.ibm.com>
7890 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7891 x86_64-*-linux* configurations.
7893 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7894 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7896 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7898 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7899 Remove.
7900 * basic-block.h: Remove the extern for
7901 rediscover_loops_after_threading.
7903 * cfgloop.c (cancel_loop): Make it static.
7904 * cfgloop.h: Remove the prototype for cancel_loop.
7906 * flow.c (recompute_reg_usage): Make it static.
7907 * rtl.h: Remove the prototype for recompute_reg_usage.
7909 * function.c (use_return_register): Make it static.
7910 * function.h: Remove the prototype.
7912 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7914 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7915 Remove.
7916 * recog.h: Remove the prototype for
7917 validate_change_maybe_volatile.
7919 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7921 * rtlanal.c (replace_reg): Remove.
7922 * rtl.h: Remove the prototype for replace_reg.
7924 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7926 * regclass.c (reg_scan_update): Remove.
7927 (reg_scan_mark_refs): Remove the last argument.
7928 * rtl.h: Remove the prototype for reg_scan_update.
7930 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7932 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7933 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7934 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7935 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7936 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7937 loop-invariant.c, omp-low.c, opts.c, passes.c,
7938 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7939 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7940 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7941 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7942 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7943 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7945 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7947 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7948 * dwarf2out.h: Remove the prototype for
7949 dwarf2out_add_library_unit_info.
7951 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7953 * tree.c (add_var_to_bind_expr): Remove.
7954 * tree.h: Remove the prototype for add_var_to_bind_expr.
7956 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7958 * regclass.c (n_non_fixed_regs): Remove.
7959 (init_reg_sets_1, globalize_reg): Remove all uses of
7960 n_non_fixed_regs.
7961 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7963 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7965 * rtlanal.c (insns_safe_to_move_p): Remove.
7966 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7968 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7970 * expmed.c (expand_mult_add): Remove.
7971 * expr.h: Remove the prototype for expand_mult_add.
7973 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7975 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7976 and REG_SAVED_VAL_EXP constants.
7977 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7978 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7979 Handle regs stored by value.
7980 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7981 (execute_cfa_program): Handle DW_CFA_val_offset,
7982 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7983 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7984 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7985 (uw_install_context_1): Handle target regs stored by value.
7987 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7989 * tree-sra.c (tree_sra): Return todoflags;
7990 (generate_one_element): Set TODO_update_smt_usage if needed.
7991 (pass_sra): Remove TODO_update_smt_usage.
7992 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7993 parameter.
7994 (tree_ssa_forward_propagate_single_use_vars): Return
7995 TODO_update_smt_usage if we need to update SMT usage.
7996 (pass_forwprop): Remove TODO_update_smt_usage.
7998 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8000 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8001 (correct_use_link): Remove reference to get_stmt_operands.
8002 (update_stmt_operands): Likewise.
8003 (get_modify_expr_operands): New function factored out of
8004 parse_ssa_operands and get_expr_operands.
8005 Try to create V_MUST_DEFs for LHS by default.
8006 (get_expr_operands) <case MODIFY_EXPR>: Call
8007 get_modify_expr_operands.
8008 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8009 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8010 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8011 get_modify_expr_operands.
8013 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8015 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8016 * tree-flow.h: Remove the prototype for
8017 referenced_var_lookup_if_exists.
8019 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8021 PR rtl-optimization/26345
8022 PR target/19061
8023 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8025 2006-03-03 Roger Sayle <roger@eyesopen.com>
8027 PR tree-optimization/26524
8028 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8029 fold_convert to create a constant of the appropriate type.
8031 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8033 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8034 SYMBOL_REF_IN_BLOCK_P.
8035 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8036 of SYMBOL_FLAG_IN_BLOCK.
8037 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8038 instead of SYMBOL_REF_IN_BLOCK_P.
8039 * explow.c (use_anchored_address): Likewise.
8040 * rtl.c (rtx_size): Likewise.
8041 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8042 instead of SYMBOL_FLAG_IN_BLOCK.
8043 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8044 SYMBOL_REF_IN_BLOCK_P.
8045 (assemble_variable): Likewise.
8046 (output_constant_def_contents): Likewise.
8047 (output_constant_pool): Likewise.
8048 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8049 instead of SYMBOL_FLAG_IN_BLOCK.
8050 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8051 SYMBOL_REF_IN_BLOCK_P.
8052 (SYMBOL_REF_BLOCK): Likewise.
8053 (SYMBOL_REF_OFFSET): Likewise.
8054 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8055 SYMBOL_REF_IN_BLOCK_P.
8056 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8057 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8058 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8059 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8061 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8063 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8065 2006-03-02 Roger Sayle <roger@eyesopen.com>
8067 * simplify-rtx.c (simplify_unary_operation): When simplifying
8068 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8069 that we perform the right shift in the appropriate mode, and
8070 then extend or truncate the result to requested mode.
8072 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8074 * gengtype.c (main): Handle double_int type.
8075 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8076 * double-int.c: New file.
8077 * double-int.h: New file.
8078 * system.h: Include doubleint.h.
8079 * Makefile.in (SYSTEM_H): Include double-int.h.
8080 (double-int.o): Add.
8082 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8084 PR bootstrap/26478
8085 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8086 copying over it.
8088 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8090 * tree-vrp.c (remove_range_assertions): Do not update statements
8091 unnecessarily.
8093 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8095 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8096 cleanup.
8097 * gcse.c (rest_of_handle_gcse): Ditto.
8098 * except.c (gate_handle_eh): Ditto.
8099 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8100 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8102 2006-03-02 Eric Christopher <echristo@apple.com>
8104 * config/i386/i386.c (machopic_output_stub): Add indirection to
8105 jump.
8107 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8109 * loop.c: Removed.
8111 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8113 Sun Niagara specific optimizations.
8114 * config.gcc: Recognize niagara as target.
8115 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8116 (TARGET_CPU_niagara): Define.
8117 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8118 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8119 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8120 (ASM_CPU_SPEC): Likewise.
8121 (PROCESSOR_NIAGARA): New enum entry.
8122 (REGISTER_MOVE_COST): Handle Niagara.
8123 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8124 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8125 (sparc_override_options): Recognize "niagara", set appropriate
8126 default MASK_* values for it, and align functions to 32-bytes
8127 by default just like ULTRASPARC/ULTRASPARC3.
8128 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8129 (sparc64_initialize_trampoline): Likewise.
8130 (sparc_use_sched_lookahead): Use zero for niagara.
8131 (sparc_issue_rate): Use one for niagara.
8132 * config/sparc/niagara.md: New file.
8133 * config/sparc/sparc.md: Include it.
8134 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8135 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8136 when default cpu is niagara.
8137 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8138 (ASM_CPU_SPEC): Likewise.
8139 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8140 when default cpu is niagara.
8141 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8142 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8143 just like v9/ultrasparc/ultrasparc3.
8144 * doc/invoke.texi: Add documentation for "niagara" and improve
8145 existing documentation for ultrasparc variants.
8147 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8149 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8151 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8153 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8154 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8155 and say that only one is needed.
8156 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8157 * target.h (have_switchable_bss_sections): New hook.
8158 * explow.c (use_anchored_address): Check that the symbol is in a block.
8159 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8160 (bss_noswitch_section): New variables.
8161 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8162 (get_noswitch_section): New function.
8163 (get_block_for_section): Allow SECT to be null.
8164 (unlikely_text_section_p): Use SECTION_STYLE.
8165 (bss_initializer_p): New function.
8166 (get_variable_section): Move earlier in file. Take a new argument,
8167 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8168 Return one of the new *_sections in such cases.
8169 (get_block_for_decl): New function, extracting some logic from
8170 use_blocks_for_decl_p.
8171 (change_symbol_section): Remove in favor of...
8172 (change_symbol_block): ...this new function.
8173 (use_blocks_for_decl_p): Remove checks now performed by
8174 get_block_for_decl.
8175 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8176 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8177 (emit_local, emit_bss, emit_common): ...these new functions.
8178 Return true if the alignment was honored.
8179 (emit_tls_common): New function.
8180 (asm_emit_uninitialised): Delete.
8181 (assemble_variable_noswitch): New function, split out from...
8182 (assemble_variable): ...here. Don't make decisions about common
8183 variables here. Globalize all public decls that go into non-common
8184 sections. Check whether SYMBOL_REF_BLOCK is null.
8185 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8186 (output_constant_pool): Likewise.
8187 (init_varasm_once): Initialize the new section variables.
8188 (have_global_bss_p): New function.
8189 (categorize_decl_for_section): Use bss_initializer_p.
8190 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8191 (place_block_symbol): Assert that the symbol must be in a block.
8192 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8193 (TARGET_INITIALIZER): Include it.
8194 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8195 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8196 (SECTION_MACH_DEP): Bump by two.
8197 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8198 (unnamed_section): Mention SECTION_UNNAMED in comment.
8199 (named_section): Likewise SECTION_NAMED.
8200 (noswitch_section_callback): New type.
8201 (noswitch_section): New structure.
8202 (section): Add a noswitch_section alternative.
8203 (SECTION_STYLE): New macro.
8204 (tls_comm_section, comm_section, lcomm_section): Declare.
8205 (bss_noswitch_section, have_global_bss_p): Declare.
8206 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8207 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8208 Override.
8209 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8210 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8211 Override.
8213 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8215 * tree-vrp.c (execute_vrp): Return value.
8216 * regrename.c (rest_of_handle_regrename): Ditto.
8217 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8218 * tree-complex.c (tree_lower_complex): Ditto.
8219 (tree_lower_complex_O0): Ditto.
8220 * tracer.c (rest_of_handle_tracer): Ditto.
8221 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8222 * postreload.c (rest_of_handle_postreload): Ditto.
8223 * tree-tailcall.c (execute_tail_recursion): Ditto.
8224 (execute_tail_calls): Ditto.
8225 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8226 * tree.h (init_function_for_compilation): Ditto.
8227 * ipa-cp.c (ipcp_driver): Ditto.
8228 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8229 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8230 * final.c (compute_alignments): Ditto.
8231 (rest_of_handle_final): Ditto.
8232 (rest_of_handle_shorten_branches): Ditto.
8233 (rest_of_clean_state): Ditto.
8234 * omp-low.c (execute_expand_omp): Ditto.
8235 (execute_lower_omp): Ditto.
8236 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8237 * ipa-reference.c (static_execute): Ditto.
8238 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8239 * reorg.c (rest_of_handle_delay_slots): Ditto.
8240 (rest_of_handle_machine_reorg): Ditto.
8241 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8242 * flow.c (recompute_reg_usage): Ditto.
8243 (rest_of_handle_remove_death_notes): Ditto.
8244 (rest_of_handle_life): Ditto.
8245 (rest_of_handle_flow2): Ditto.
8246 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8247 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8248 (do_ssa_store_ccp): Ditto.
8249 (execute_fold_all_builtins): Ditto.
8250 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8251 * modulo-sched.c (rest_of_handle_sms): Ditto.
8252 * ipa-pure-const.c (static_execute): Ditto.
8253 * cse.c (rest_of_handle_cse): Ditto.
8254 (rest_of_handle_cse2): Ditto.
8255 * web.c (rest_of_handle_web): Ditto.
8256 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8257 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8258 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8259 * tree-nrv.c (tree_nrv): Ditto.
8260 (execute_return_slot_opt): Ditto.
8261 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8262 (create_structure_vars): Ditto.
8263 * loop-init.c (rtl_loop_init): Ditto.
8264 (rtl_loop_done): Ditto.
8265 (rtl_move_loop_invariants): Ditto.
8266 (rtl_unswitch): Ditto.
8267 (rtl_unroll_and_peel_loops): Ditto.
8268 (rtl_doloop): Ditto.
8269 * gimple-low.c (lower_function_body): Ditto.
8270 (mark_used_blocks): Ditto.
8271 * tree-ssa-sink.c (execute_sink_code): Ditto.
8272 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8273 (cgraph_early_inlining): Ditto.
8274 * global.c (rest_of_handle_global_alloc): Ditto.
8275 * jump.c (cleanup_barriers): Ditto.
8276 (purge_line_number_notes): Ditto.
8277 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8278 (rest_of_handle_if_after_reload): Ditto.
8279 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8280 (tree_ssa_loop_im): Ditto.
8281 (tree_ssa_loop_unswitch): Ditto.
8282 (tree_vectorize): Ditto.
8283 (tree_linear_transform): Ditto.
8284 (tree_ssa_loop_ivcanon): Ditto.
8285 (tree_ssa_empty_loop): Ditto.
8286 (tree_ssa_loop_bounds): Ditto.
8287 (tree_complete_unroll): Ditto.
8288 (tree_ssa_loop_prefetch): Ditto.
8289 (tree_ssa_loop_ivopts): Ditto.
8290 (tree_ssa_loop_done): Ditto.
8291 * predict.c (tree_estimate_probability): Ditto.
8292 * recog.c (split_all_insns_noflow): Ditto.
8293 (rest_of_handle_peephole2): Ditto.
8294 (rest_of_handle_split_all_insns): Ditto.
8295 * tree-eh.c (lower_eh_constructs): Ditto.
8296 * regmove.c (rest_of_handle_regmove): Ditto.
8297 (rest_of_handle_stack_adjustments): Ditto.
8298 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8299 * function.c (instantiate_virtual_regs): Ditto.
8300 (init_function_for_compilation): Ditto.
8301 (rest_of_handle_check_leaf_regs): Ditto.
8302 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8303 (rest_of_handle_gcse): Ditto.
8304 * ipa-type-escape.c (type_escape_execute): Ditto.
8305 * alias.c (rest_of_handle_cfg): Ditto.
8306 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8307 * profile.c (rest_of_handle_branch_prob): Ditto.
8308 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8309 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8310 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8311 * tree-dfa.c (find_referenced_vars): Ditto.
8312 * except.c (set_nothrow_function_flags): Ditto.
8313 (convert_to_eh_region_ranges): Ditto.
8314 (rest_of_handle_eh): Ditto.
8315 * emit-rtl.c (unshare_all_rtl): Ditto.
8316 (remove_unnecessary_notes): Ditto.
8317 * except.h (set_nothrow_function_flags): Ditto.
8318 (convert_to_eh_region_ranges): Ditto.
8319 * cfgexpand.c (tree_expand_cfg): Ditto.
8320 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8321 * tree-ssa-pre.c (do_pre): Ditto.
8322 (execute_fre): Ditto.
8323 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8324 (rest_of_handle_jump2): Ditto.
8325 * tree-sra.c (tree_sra): Ditto.
8326 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8327 (execute_mudflap_function_decls): Ditto.
8328 * tree-ssa-copy.c (do_copy_prop): Ditto.
8329 (do_store_copy_prop): Ditto.
8330 * ipa-prop.h (ipcp_driver): Ditto.
8331 * cfglayout.c (insn_locators_initialize): Ditto.
8332 * tree-ssa-forwprop.c
8333 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8334 * cfglayout.h (insn_locators_initialize): Ditto.
8335 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8336 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8337 (execute_late_warn_uninitialized): Ditto.
8338 * rtl.h (cleanup_barriers): Ditto.
8339 (split_all_insns_noflow): Ditto.
8340 (purge_line_number_notes): Ditto.
8341 (unshare_all_rtl): Ditto.
8342 (remove_unnecessary_notes): Ditto.
8343 (recompute_reg_usage): Ditto.
8344 (variable_tracking_main): Ditto.
8345 * integrate.c (emit_initial_value_sets): Ditto.
8346 * integrate.h (emit_initial_value_sets): Ditto.
8347 * tree-optimize.c (execute_free_datastructures): Ditto
8348 (execute_free_cfg_annotations): Ditto.
8349 (execute_fixup_cfg): Ditto.
8350 (execute_cleanup_cfg_pre_ipa): Ditto.
8351 (execute_cleanup_cfg_post_optimizing): Ditto.
8352 (execute_init_datastructures): Ditto.
8353 * tree-object-size.c (compute_object_sizes): Ditto.
8354 * combine.c (rest_of_handle_combine): Ditto.
8355 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8356 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8357 (rest_of_handle_reorder_blocks): Ditto.
8358 (rest_of_handle_partition_blocks): Ditto.
8359 * var-tracking.c (variable_tracking_main): Ditto.
8360 * tree-profile.c (tree_profiling): Ditto.
8361 * tree-vect-generic.c (expand_vector_operations): Ditto.
8362 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8363 * sched-rgn.c (rest_of_handle_sched): Ditto.
8364 (rest_of_handle_sched2): Ditto.
8365 * basic-block.h (free_bb_insn): Ditto.
8366 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8367 * tree-cfg.c (execute_build_cfg): Ditto.
8368 (remove_useless_stmts): Ditto.
8369 (split_critical_edges): Ditto.
8370 (execute_warn_function_return): Ditto.
8371 (execute_warn_function_noreturn): Ditto.
8372 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8373 * cfgrtl.c (free_bb_for_insn): Ditto.
8374 * passes.c (execute_one_pass): Run additional
8375 todos returned by execute function.
8376 * tree-pass.h (struct tree_opt_pass): Make execute
8377 return a value.
8379 2006-03-02 Richard Guenther <rguenther@suse.de>
8381 * tree-ssa-alias.c (find_used_portions): Consider taking
8382 the address as making the variable not write-only.
8384 2006-03-02 Nick Clifton <nickc@redhat.com>
8386 * config.gcc (default_use_cxa_atexit): Extend the description of
8387 this configure variable. Set its default value to "yes" for
8388 Linux, NetBSD and ELF targets on the assumption that they will
8389 use C libraries with the __cxa_atexit function.
8391 2006-03-02 Ben Elliston <bje@au.ibm.com>
8393 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8394 parameter as unused to suppress a build warning.
8396 2006-03-02 Ben Elliston <bje@au.ibm.com>
8398 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8399 config/dfp-bit.c.
8401 2006-03-01 Roger Sayle <roger@eyesopen.com>
8403 PR other/26489
8404 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8405 declared name, the weak reference name, and the typeof name.
8406 (__gthrw): Avoid expanding the declared name suffix.
8407 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8409 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8411 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8412 from DWARF 3.
8413 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8414 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8415 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8416 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8417 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8418 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8419 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8420 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8421 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8422 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8423 (DW_END_default, DW_END_big, DW_END_little): New.
8424 (DW_END_lo_user, DW_END_hi_user): Define.
8425 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8426 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8427 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8428 DW_LANG_D): New.
8430 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8432 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8433 Update all users.
8434 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8435 Update all users.
8436 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8437 Update all users.
8438 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8439 Update all users.
8440 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8441 to 'symbol_mem_tag'.
8442 Update all users.
8443 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8444 rename.
8446 2006-03-01 Roger Sayle <roger@eyesopen.com>
8448 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8450 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8452 PR target/25761
8453 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8454 MACHO_DYNAMIC_NO_PIC_P.
8455 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8457 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8459 PR target/26389
8460 * config/darwin-protos.h (darwin_asm_output_anchor):
8461 Declare.
8462 * config/darwin-sections.def (cstring_section):
8463 Add SECTION_MERGE to the flags.
8464 (literal4_section): Likewise.
8465 (literal8_section): Likewise.
8466 (objc_selector_refs_section): Likewise.
8467 (objc_cls_refs_section): Likewise.
8468 * config/darwin.c (darwin_asm_output_anchor): New
8469 function.
8470 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8472 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8474 Fix PR tree-optimization/26443
8475 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8476 to todo and PROP_tmt_usage to properties_destroyed.
8477 * tree-ssa-ccp.c (pass_ccp): Ditto.
8478 (pass_store_ccp): Ditto.
8479 * tree-ssa-dom.c (pass_dominator): Ditto.
8481 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8483 * tree-ssa-operands.c: Cleanup whitespace.
8484 (get_asm_expr_operands): Move before first invocation.
8485 (get_indirect_ref_operands): Likewise.
8486 (get_tmr_operands): Likewise.
8487 (get_call_expr_operands): Likewise.
8488 (append_def): Likewise.
8489 (append_use): Likewise.
8490 (append_v_may_def): Likewise.
8491 (append_v_must_def): Likewise.
8492 (add_call_clobber_ops): Likewise.
8493 (add_call_read_ops): Likewise.
8494 (add_stmt_operand): Likewise.
8495 (add_virtual_operand): Likewise.
8496 (build_ssa_operands): Likewise.
8498 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8500 PR middle-end/26022
8501 Revert:
8502 PR middle-end/24437
8503 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8504 with a call expr to ...
8505 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8507 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8509 * tree-vrp.c (extract_range_from_assert): Remove special
8510 handling for types with super-types.
8512 2006-03-01 Ben Elliston <bje@au.ibm.com>
8514 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8515 and powerpc64-*-linux* configurations.
8516 * config/t-dfprules: New file.
8518 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8519 Compile dfp-bit.c from the source directory using -DWIDTH and
8520 $DFP_CFLAGS to control the compilation of that file, rather than
8521 generating width-specific versions in the build directory.
8522 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8523 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8525 2006-02-28 Zack Weinberg <zackw@panix.com>
8527 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8528 continues to work.
8530 2006-02-28 Eric Christopher <echristo@apple.com>
8532 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8533 Set up IN_LIBGCC definition of TARGET_64BIT.
8534 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8536 2006-02-28 Roger Sayle <roger@eyesopen.com>
8538 PR middle-end/14752
8539 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8540 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8541 cases via the construction of "expr != 0".
8543 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8545 * alias.c (alias_invariant, alias_invariant_size): Remove.
8546 (record_base_value): Remove.
8547 (memrefs_conflict_p): Don't look at alias_invariant.
8548 (end_alias_analysis): Don't free it.
8549 * alias.h (record_base_value): Remove prototype.
8551 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8552 Adam Nemet <anemet@caviumnetworks.com>
8554 * rtl.h (truncated_to_mode): Declare it.
8555 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8556 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8557 (RTL_HOOKS_INITIALIZER): Include it.
8558 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8559 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8560 reg_truncated_to_mode.
8561 * rtlanal.c (truncated_to_mode): Define it.
8562 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8564 2006-02-28 Jeff Law <law@redhat.com>
8566 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8567 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8568 the range allowed by TYPE_PRECISION.
8570 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8572 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8574 PR tree-optimization/26419
8575 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8576 values of n.
8578 2006-02-27 Zack Weinberg <zackw@panix.com>
8580 * doc/md.texi: Fix typo in previous change.
8582 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8584 * df.c: Remove.
8586 2006-02-27 Zack Weinberg <zackw@panix.com>
8588 * rtl.def (define_constraint, define_register_constraint)
8589 (define_memory_constraint, define_address_constraint): New MD forms.
8590 * gensupport.c (process_rtx): Put define_constraint etc on the
8591 predicate queue.
8592 * genpreds.c (process_define_predicate): Adjust comment. Validate
8593 the name, and call validate_exp to validate the expression.
8594 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8595 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8596 all callers changed.
8597 (validate_exp, needs_variable, struct constraint_data)
8598 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8599 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8600 (const_dbl_constraints, constraint_max_namelen)
8601 (have_register_constraints, have_memory_constraints)
8602 (have_address_constraints, have_address_constraints)
8603 (have_extra_constraints, have_const_int_constraints)
8604 (have_const_dbl_constraints, mangle, add_constraint)
8605 (process_define_constraint, process_define_register_constraint)
8606 (write_enum_constraint_num, write_lookup_constraint)
8607 (write_insn_constraint_len, write_regclass_for_constraint)
8608 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8609 (write_insn_extra_memory_constraint)
8610 (write_insn_extra_address_constraint)
8611 (write_satisfies_constraint_fns): New.
8612 (write_tm_preds_h): If we have new-style constraint definitions,
8613 prototype the functions generated from them, and define the
8614 old constraint interface (still used by generic code) in terms of
8615 those functions.
8616 (write_insn_preds_c): If we have new-style constraint definitions,
8617 generate all relevant functions from those definitions.
8618 (main): Handle define_constraint etc.
8619 * genoutput.c (struct constraint_data, indep_constraints)
8620 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8621 (mdep_constraint_len): New data structures and functions, defined
8622 #ifdef USE_MD_CONSTRAINTS.
8623 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8624 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8625 use new logic to validate operand constraints against constraint
8626 definitions.
8627 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8628 defined.
8629 * defaults.h: If none of the old-style constraint macros are
8630 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8631 old-style macros; and poison REG_CLASS_FROM_LETTER,
8632 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8633 EXTRA_CONSTRAINT.
8634 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8635 * doc/md.texi: Document new constraint-definition mechanism and the
8636 C interface it provides. Remove references to old mechanism
8637 elsewhere in the document.
8638 (Machine Constraints): Use pathnames relative to gcc directory,
8639 i.e. config/ARCH/FILE. Change i386 section to refer to
8640 config/i386/predicates.md; update that section to match docstrings.
8641 * doc/tm.texi: Move all documentation of the old constraint-
8642 definition macros to their own section, clearly mark as obsolete.
8644 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8645 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8646 definitions.
8647 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8648 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8649 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8650 constraint strings.
8651 (splits and peepholes): Use satisfies_constraint_*.
8652 * config/i386/i386.c (memory_address_length)
8653 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8655 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8657 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8658 scalar operation to be put back into the loop.
8660 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8662 PR other/26208
8663 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8664 (extract_cie_info): Handle S flag in augmentation string.
8665 (execute_cfa_program): If context->signal_frame, execute also
8666 fs->pc == context->ra instructions.
8667 (uw_frame_state_for): If context->signal_frame, don't subtract one
8668 from context->ra to find FDE.
8669 (uw_update_context_1): Set context->signal_frame to
8670 fs->signal_frame.
8671 (_Unwind_GetIPInfo): New function.
8672 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8673 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8674 of _Unwind_GetIP.
8675 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8676 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8677 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8678 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8679 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8680 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8681 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8682 x86_64_fallback_frame_state): Set fs->signal_frame.
8683 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8684 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8685 (frob_update_context): Likewise. Workaround missing S flag in
8686 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8687 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8688 Remove the psw_addr + 1 hack.
8690 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8692 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8693 with aggregates here.
8694 (find_func_aliases): Remove code for &<aggregate> from here.
8696 2006-02-26 Roger Sayle <roger@eyesopen.com>
8698 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8699 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8700 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8701 as (X & C) ne/eq 0.
8703 2006-02-26 Roger Sayle <roger@eyesopen.com>
8705 PR middle-end/19983
8706 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8708 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8710 * opts.c (decode_options): Do not handle flag_strength_reduce.
8711 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8712 and OPT_fstrength_reduce.
8713 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8714 flag_prefetch_loop_arrays for being nonzero.
8715 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8716 no-ops.
8717 (fprefetch-loop-arrays-rtl): Removed.
8718 (flag_prefetch_loop_arrays): Do not specify the value.
8720 * doc/passes.texi: Update documentation of loop optimizer
8721 passes.
8722 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8723 -frerun-loop-opt): Remove.
8725 2006-02-26 Richard Guenther <rguenther@suse.de>
8727 PR tree-optimization/26421
8728 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8729 in function calls that are ADDR_EXPRs as using the whole structure.
8731 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8733 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8734 * tree-pass.h (pass_loop_optimize): Remove.
8735 * passes.c (pass_loop_optimize): Never run it.
8736 * toplev.c (backend_init): Don't call init_loop.
8737 * opts.c (flag_loop_optimize_set): Remove.
8738 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8739 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8740 the old RTL loop optimizer when profiling enabled.
8741 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8742 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8743 pre-headers for the sake of the old RTL loop optimizer.
8744 * Makefile.in: Remove all references to loop.o.
8746 * doc/invoke.texi: Remove all references to -floop-optimize
8747 and -frerun-loop-opt.
8749 2006-02-26 Zack Weinberg <zackw@panix.com>
8751 * doc/md.texi (Machine Constraints): Refer to all files with paths
8752 relative to gcc directory (i.e. config/CPU/file). Add missing
8753 @table @code ... @end table to M32C subsection.
8755 2006-02-26 Roger Sayle <roger@eyesopen.com>
8757 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8758 (X & 1) == 0.
8759 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8761 2006-02-26 Roger Sayle <roger@eyesopen.com>
8762 James A. Morrison <phython@gcc.gnu.org>
8764 PR middle-end/21137
8765 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8766 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8767 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8768 signedness of the shift operation.
8770 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8772 PR tree-optimization/26359
8773 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8775 2006-02-25 Roger Sayle <roger@eyesopen.com>
8777 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8778 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8779 as X == 0, and some symmetry related transformations.
8780 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8782 2006-02-25 Roger Sayle <roger@eyesopen.com>
8784 PR middle-end/23673
8785 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8786 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8787 symmetry related transformations. Fold (X^C1) == C2 as
8788 X == (C1^C2).
8790 2006-02-25 Juergen Weigert <jw@suse.de>
8791 Richard Guenther <rguenther@suse.de>
8793 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8795 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8797 * combine.c (gen_lowpart_or_truncate): Call
8798 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8800 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8802 * doc/invoke.texi: Move -fopenmp description to "Options for
8803 Code Generation".
8804 Remove reference to -lgomp.
8806 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8808 * doc/install.texi: Require GNU tar version 1.14.
8810 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8812 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8813 * doc/invoke.texi (C++ Dialect Options): Document
8814 -fno-use-cxa-get-exception-ptr.
8815 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8816 * configure: Regenerate.
8817 * c.opt (fuse-cxa-get-exception-ptr): New.
8818 * c-opts.c (c_common_handle_option): Handle
8819 OPT_fuse_cxa_get_exception_ptr.
8820 * c-common.c (flag_use_cxa_atexit): Update documentation.
8821 (flag_use_cxa_get_exception_ptr): New.
8822 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8823 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8824 documentation.
8825 (C_COMMON_OVERRIDE_OPTIONS): New.
8827 2006-02-24 Roger Sayle <roger@eyesopen.com>
8829 PR middle-end/24952
8830 * combine.c (try_combine): Explicitly check whether GET_CODE is
8831 a SET or a CLOBBER, instead on checking that it isn't a USE.
8833 2006-02-24 Roger Sayle <roger@eyesopen.com>
8835 * fold-const.c (fold_comparison): New subroutine of fold_binary
8836 containing transformations common to both the equality and
8837 ordering relational operators, factored out of fold_binary.
8838 (fold_binary): Separate out the equality operators (EQ_EXPR
8839 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8840 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8841 transformations common to both.
8842 (fold_div_compare): Fix latent bugs in the previously unreachable
8843 LT_EXPR and GE_EXPR cases.
8845 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8847 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8848 decl libname for clog to __clog on AIX.
8850 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8852 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8854 PR target/26453
8855 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8856 output traceback table for thunks. Localise rs6000_stack_info call.
8858 2006-02-23 Roger Sayle <roger@eyesopen.com>
8859 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8861 * gthr-posix.h (__gthrw): Fix typo in comment.
8863 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8865 * doc/cpp.texi (Character sets): Document that we do support
8866 input files to be in any character set.
8868 2006-02-23 Jeff Law <law@redhat.com>
8870 * tree.h (PHI_ARG_NONZERO): Remove.
8871 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8872 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8873 node to the new node.
8875 PR tree-optimization/26425
8876 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8877 min/max, then assume its varying.
8879 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8881 PR rtl-optimization/26316
8882 * rtlanal.c (enum may_trap_p_flags): New.
8883 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8884 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8885 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8886 (may_trap_after_code_motion_p): New function.
8887 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8888 (find_invariant_insn): Use may_trap_after_code_motion_p.
8889 * rtl.h (may_trap_after_code_motion_p): Declare.
8891 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8893 * emit-rtl.c (immed_double_const): Cleanup.
8895 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8897 Fix PR tree-optimization/26376
8898 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8899 remove assert.
8901 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8903 PR middle-end/26412
8904 * gimplify.c (omp_add_variable): Guard variable size decl test with
8905 DECL_SIZE (decl) check.
8907 2006-02-23 Richard Guenther <rguenther@suse.de>
8909 PR middle-end/26439
8910 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8911 like aggregate types.
8913 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8915 * configure.ac: Add --with{,out}-long-double-128 configure option.
8916 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8917 * configure: Rebuilt.
8918 * config.in: Rebuilt.
8919 * doc/install.texi (Options specification): Document
8920 --with-long-double-128.
8922 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8923 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8924 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8925 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8927 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8929 * config/s390/s390.c (override_options): Handle
8930 TARGET_DEFAULT_LONG_DOUBLE_128.
8932 * config/alpha/alpha.c (override_options): Handle
8933 TARGET_DEFAULT_LONG_DOUBLE_128.
8935 * config/sparc/sparc.c (sparc_override_options): Handle
8936 TARGET_DEFAULT_LONG_DOUBLE_128.
8938 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8940 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8941 (real-install-headers-tar, real-install-headers-cpio)
8942 (real-install-headers-cp): New targets.
8944 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8946 * tree.h (variable_section): Delete.
8947 * varasm.c (variable_section): Delete.
8949 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8951 * install.texi: Add notes on install.texi2html.
8952 (Building in parallel): Do not use footnotes.
8954 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8956 PR libgomp/26234
8957 * doc/install.texi (Configuration): Document --disable-libgomp.
8959 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8961 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8963 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8965 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8966 (vec_extractv2df_0_sse): New.
8968 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8970 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8971 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8972 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8973 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8974 to the result of the expression.
8975 (def_cfa_1): Adjust.
8976 (frame_pointer_cfa_offset): Rename to...
8977 (frame_pointer_fb_offset): ... this. Adjust all uses.
8978 (convert_cfa_to_loc_list): Rename to...
8979 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8980 Pass it on to build_cfa_loc.
8981 (compute_frame_pointer_to_cfa_displacement): Rename to...
8982 (compute_frame_pointer_to_fb_displacement): ... this. New
8983 offset parameter. Use it in computation.
8984 (gen_subprogram_die): Compute cfa_fb_offset with the new
8985 macro, and use it to compute the fb loc list and the
8986 displacement.
8988 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8990 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8991 replaced with register_operand.
8992 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8993 non-DREG is expensive.
8994 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8995 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8996 involving memory.
8998 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9000 * doc/install.texi2html: Use set -e.
9002 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9004 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9005 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9006 * doc/invoke.texi (-fshared-data): Delete.
9007 * common.opt (fshared-data): Delete.
9008 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9009 (assemble_static_space): Remove #if 0 code.
9010 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9011 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9012 * config/cris/cris.h: Remove FIXME.
9014 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9016 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9017 hooks.
9019 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9021 PR middle-end/26379
9022 * combine.c (simplify_shift_const_1): Disable nested shifts
9023 optimization for vector shifts.
9025 2006-02-20 Roger Sayle <roger@eyesopen.com>
9027 PR tree-optimization/26361
9028 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9029 of unsigned integer types.
9031 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9033 * tree-chrec.c (eq_evolutions_p): New.
9034 * tree-chrec.h (eq_evolutions_p): Declared.
9035 * tree-data-ref.c: Fix formatting.
9036 (datadep_stats, dependence_stats): New.
9037 (gcd): Moved...
9038 (print_direction_vector): New.
9039 (dump_data_dependence_relation): Use print_direction_vector.
9040 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9041 (compute_subscript_distance): Static.
9042 (initialize_data_dependence_relation): Static. Get the number
9043 of loops surrounding the references from the callers, and initialize
9044 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9045 base_object_differ_p analyzers.
9046 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9047 compute_overlap_steps_for_affine_1_2,
9048 analyze_subscript_affine_affine): Count the classified dependences.
9049 Print a message when a test failed.
9050 (can_use_analyze_subscript_affine_affine): New.
9051 (analyze_siv_subscript): Compute the data dependences on symbolic
9052 scevs that verify can_use_analyze_subscript_affine_affine.
9053 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9054 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9055 Handle symbolic scevs.
9056 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9057 analyzed.
9058 (subscript_dependence_tester): Moved...
9059 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9060 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9061 DDR_SIZE_VECT instead of getting it in parameter.
9062 (subscript_dependence_tester): ... here. Take as a parameter
9063 loop_nest_depth. Call build_classic_dist_vector and
9064 build_classic_dir_vector.
9065 (compute_affine_dependence): Update subscript_dependence_tester
9066 parameters. Update datadep_stats counters. Call
9067 compute_subscript_distance.
9068 (compute_self_dependence): Save the dist and dir vectors. Call
9069 compute_subscript_distance.
9070 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9071 (compute_all_dependences): Reorder parameters as they were before
9072 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9073 compute_subscript_distance. Update the use of
9074 compute_affine_dependence and initialize_data_dependence_relation.
9075 (find_data_references_in_loop): Handle COMPONENT_REF.
9076 (compute_data_dependences_for_loop): Initialize dependence_stats.
9077 Don't call build_classic_dist_vector and build_classic_dir_vector.
9078 Update the parameters of initialize_data_dependence_relation and
9079 compute_all_dependences. Print the statistics from datadep_stats.
9080 (analyze_all_data_dependences): Static. Not used until the pass for
9081 checking the data dependences is contributed.
9082 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9083 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9084 (initialize_data_dependence_relation, compute_affine_dependence,
9085 analyze_all_data_dependences, compute_subscript_distance): Removed.
9086 (print_direction_vector): New.
9087 * lambda.h (gcd): ... here.
9088 (lambda_vector_gcd): Moved here from gcd_vector.
9089 * lambda-code.c (gcd, gcd_vector): Removed.
9090 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9091 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9093 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9095 * ipa-type-escape.c: Tidy some comments and white space.
9096 * tree-ssa-operands.c: Likewise.
9098 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9100 PR tree-opt/25879
9101 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9102 (dump_decl_name): Do not walk the decl tree chains.
9103 * tree-pass.h (TDF_CHAIN): Remove.
9105 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9107 * Makefile.in (C): Remove
9108 (PROTO): Remove
9109 (.PHONY): Remove C and PROTO
9111 2006-02-20 Roger Sayle <roger@eyesopen.com>
9113 PR middle-end/26236
9114 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9115 deprecated CHAR_TYPE tree code.
9117 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9119 * configure.ac (target_list): Add install-info, dvi, html.
9120 * configure: Regenerate.
9122 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9123 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9124 treelang/Make-lang.in: Do not use double-colon rules.
9126 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9128 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9129 (TMT_USED_ALONE): New macro.
9130 * tree-pass.h (PROP_tmt_usage): New property.
9131 (TODO_update_tmt_usage): New todo.
9132 * tree-ssa-alias.c (updating_used_alone): New variable.
9133 (recalculate_used_alone): New function.
9134 (compute_may_aliases): Set updating_used_alone, call
9135 recalculate_used_alone.
9136 * tree-sra.c (pass_sra): Note that this pass destroys
9137 PROP_tmt_usage, and add TODO_update_tmt_usage.
9138 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9139 * tree-flow.h (updating_used_alone): Prototype.
9140 (recalculate_used_alone): Ditto.
9141 * passes.c (execute_todo): Add code to set updating_used_alone,
9142 and call recalculate.
9143 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9144 for clobber if used alone, and add assert to verify used_alone
9145 status.
9147 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9149 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9150 for non tls symbols added.
9151 (legitimize_address): Do nothing for PLUS expressions if one of the
9152 addends is a tls symbol reference.
9154 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9156 PR bootstrap/25476
9158 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9160 * Makefile.in (BOOTSTRAPPING): New.
9161 (quickstrap): New definition if BOOTSTRAPPING=yes.
9163 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9164 * configure.ac: Substitute all_selected_languages with the languages
9165 that were configured. For all the other variables except
9166 lang_specs_files, include all the languages in the tree.
9167 * configure: Regenerate.
9169 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9170 if there is one. Run the commands to run fixincludes in the same
9171 subshell.
9173 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9174 * doc/install.texi: Document exact conventions for searching target tools.
9175 Document --with-build-time-tools. Document toplevel bootstrap. Document
9176 something more about building an Ada cross-compiler. Don't list GNU Make
9177 requirements which affect all platforms.
9179 2006-02-19 Roger Sayle <roger@eyesopen.com>
9181 PR middle-end/19543
9182 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9183 only equivalent if the have both the same mode and precision.
9185 2006-02-20 Ben Elliston <bje@au.ibm.com>
9187 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9189 2006-02-19 Roger Sayle <roger@eyesopen.com>
9190 Steven Bosscher <stevenb.gcc@gmail.com>
9192 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9193 constant pool references to identify stack mode constants.
9194 * rtlanal.c (constant_pool_constant_p): New predicate to check
9195 whether operand is a floating point constant in the pool.
9196 * rtl.h (constant_pool_constant_p): Prototype here.
9197 * loop.c (scan_loop): Avoid hoisting constants from the constant
9198 pool on STACK_REGS targets.
9199 (load_mems): Likewise.
9200 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9201 loads into x87 registers expensive in terms of register pressure.
9203 2006-02-19 Roger Sayle <roger@eyesopen.com>
9205 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9206 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9208 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9210 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9211 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9213 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9215 * doc/invoke.texi: Document -fipa-pta.
9216 * common.opt: Add ipa-pta option.
9217 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9218 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9219 (do_ds_constraint): Ditto.
9220 (get_constraint_for): Only add to referenced_vars if
9221 referenced_vars exists.
9222 (insert_into_field_list): Rewrite to do this unsorted.
9223 (insert_into_field_list_sorted): Rename old insert_into_field_list
9224 to this.
9225 (create_function_info_for): Use insert_into_field_list_sorted.
9226 (create_variable_info_for): Rewrite so it uses unsorted version,
9227 since the field list is sorted.
9228 (intra_create_variable_infos): Only add to referenced_vars if
9229 referenced_vars exists.
9230 (ipa_pta_execute): Init heapvars, and delete when done.
9231 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9233 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9235 * doc/install.texi: Add missing `@samp'.
9237 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9239 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9240 Use the arguments.
9242 2006-02-18 Mark Wielaard <mark@klomp.org>
9244 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9245 who added new 4.1 features, bug fixes and integration support.
9247 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9249 PR target/26350
9250 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9251 MEM for ABI_V4 pic.
9253 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9255 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9256 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9257 (copy_insn_1): Likewise. Don't copy each field individually.
9258 Reindent.
9259 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9260 of RTX_SIZE.
9261 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9262 * rtl.c (rtx_size): Rename variable to...
9263 (rtx_code_size): ...this.
9264 (rtx_size): New function.
9265 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9266 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9267 Reindent.
9268 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9269 * rtl.h (rtx_code_size): New variable.
9270 (rtx_size): Change from a variable to a function.
9271 (RTX_SIZE): Rename to...
9272 (RTX_CODE_SIZE): ...this.
9274 PR target/9703
9275 PR tree-optimization/17106
9276 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9277 (Anchored Addresses): New section.
9278 * doc/invoke.texi (-fsection-anchors): Document.
9279 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9280 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9281 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9282 * hooks.c (hook_bool_mode_rtx_false): New function.
9283 * hooks.h (hook_bool_mode_rtx_false): Declare.
9284 * gengtype.c (create_optional_field): New function.
9285 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9286 SYMBOL_REF_IN_BLOCK_P is true.
9287 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9288 (min_anchor_offset, max_anchor_offset): Likewise.
9289 (use_anchors_for_symbol_p): New hook.
9290 * toplev.c (compile_file): Call output_object_blocks.
9291 (target_supports_section_anchors_p): New function.
9292 (process_options): Check that -fsection-anchors is only used on
9293 targets that support it and when -funit-at-a-time is in effect.
9294 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9295 if the decl doesn't have one.
9296 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9297 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9298 of force_const_mem through use_anchored_address.
9299 (expand_expr_constant): New function.
9300 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9301 calling expand_expr for INDIRECT_REF.
9302 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9303 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9304 * expr.h (use_anchored_address): Declare.
9305 * loop-unroll.c: Don't declare rtx vectors here.
9306 * explow.c: Include output.h.
9307 (validize_mem): Call use_anchored_address.
9308 (use_anchored_address): New function.
9309 * common.opt (-fsection-anchors): New switch.
9310 * varasm.c (object_block_htab, anchor_labelno): New variables.
9311 (hash_section, object_block_entry_eq, object_block_entry_hash)
9312 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9313 (use_blocks_for_decl_p, change_symbol_section): New functions.
9314 (get_variable_section): New function, split out from assemble_variable.
9315 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9316 use_blocks_for_decl_p say so. Use change_symbol_section if the
9317 symbol has already been created.
9318 (assemble_variable_contents): New function, split out from...
9319 (assemble_variable): ...here. Don't output any code for
9320 block symbols; just pass them to place_block_symbol.
9321 Use get_variable_section and assemble_variable_contents.
9322 (get_constant_alignment, get_constant_section, get_constant_size): New
9323 functions, split from output_constant_def_contents.
9324 (build_constant_desc): Create a block symbol if use_object_blocks_p
9325 says so. Or into SYMBOL_REF_FLAGS.
9326 (assemble_constant_contents): New function, split from...
9327 (output_constant_def_contents): ...here. Don't output any code
9328 for block symbols; just pass them to place_section_symbol.
9329 Use get_constant_section and get_constant_alignment.
9330 (force_const_mem): Create a block symbol if use_object_blocks_p and
9331 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9332 (output_constant_pool_1): Add an explicit alignment argument.
9333 Don't switch sections here.
9334 (output_constant_pool): Adjust call to output_constant_pool_1.
9335 Switch sections here instead. Don't output anything for block symbols;
9336 just pass them to place_block_symbol.
9337 (init_varasm_once): Initialize object_block_htab.
9338 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9339 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9340 (place_block_symbol, get_section_anchor, output_object_block)
9341 (output_object_block_htab, output_object_blocks): New functions.
9342 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9343 (TARGET_ASM_OUT): Include it.
9344 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9345 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9346 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9347 (TARGET_INITIALIZER): Include them.
9348 * rtl.c (rtl_check_failed_block_symbol): New function.
9349 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9350 (block_symbol, object_block): New structures.
9351 (rtx_def): Add a block_symbol field to the union.
9352 (BLOCK_SYMBOL_CHECK): New macro.
9353 (rtl_check_failed_block_symbol): Declare.
9354 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9355 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9356 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9357 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9358 * output.h (output_section_symbols): Declare.
9359 (object_block): Name structure.
9360 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9361 (default_use_anchors_for_symbol_p): Declare.
9362 * Makefile.in (RTL_BASE_H): Add vec.h.
9363 (explow.o): Depend on output.h.
9364 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9365 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9366 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9367 (rs6000_use_blocks_for_constant_p): New function.
9369 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9371 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9373 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9375 PR tree-opt/25680
9376 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9377 IMAGPART_EXPR.
9379 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9381 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9382 is_aliased.
9383 Update all users.
9385 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9387 PR middle-end/26334
9388 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9389 instead of DECL_REGISTER.
9391 2006-02-18 Olivier Hainque <hainque@adacore.com>
9393 PR ada/13408
9394 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9396 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9398 PR target/24837
9399 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9400 * opth-gen.awk: Handle Var and InverseMask together.
9401 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9402 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9403 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9404 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9405 used together.
9406 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9407 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9408 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9409 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9410 LINUX_DYNAMIC_LINKER): Define.
9411 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9412 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9413 TARGET_GLIBC.
9414 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9415 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9416 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9417 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9418 (TARGET_C99_FUNCTIONS): Don't define.
9419 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9420 GLIBC_DYNAMIC_LINKER.
9421 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9422 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9423 GLIBC_DYNAMIC_LINKER64): Define.
9424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9425 LINUX_DYNAMIC_LINKER64.
9426 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9427 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9428 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9429 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9430 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9432 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9433 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9434 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9435 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9436 and LINUX_DYNAMIC_LINKER32.
9437 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9438 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9439 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9441 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9442 TARGET_GLIBC.
9443 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9444 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9445 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9446 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9447 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9448 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9449 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9450 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9451 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9452 LINUX_DYNAMIC_LINKER): Define.
9453 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9454 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9455 GLIBC_DYNAMIC_LINKER64): Define.
9456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9457 LINUX_DYNAMIC_LINKER64.
9458 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9459 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9460 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9461 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9462 LINUX_DYNAMIC_LINKER): Define.
9463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9464 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9465 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9466 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9467 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9468 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9469 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9470 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9471 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9472 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9473 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9474 * doc/invoke.texi (-muclibc): Remove caveat about supported
9475 targets.
9477 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9479 * doc/cpp.texi (__TIMESTAMP__): Document.
9481 2006-02-17 Roger Sayle <roger@eyesopen.com>
9483 PR middle-end/25600
9484 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9485 C is one less than the width of X (and related transformations).
9486 * simplify-rtx.c (simplify_unary_operation_1): Transform
9487 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9488 depending on STORE_FLAG_VALUE, were C is one less then the
9489 width of X.
9491 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9493 Fix PR tree-optimization/26341
9494 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9495 about NAME_MEMORY_TAG's.
9497 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9499 PR target/26255
9500 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9501 with hardware float support, and software float support. Add fcpy
9502 alternative to hardware patterns. Add alternatives to copy between
9503 general and floating-point registers to the 32-bit pattern.
9504 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9505 secondary reload to load a QI or HI mode constant into a floating
9506 point register.
9507 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9508 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9510 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9512 PR target/26272
9513 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9514 pc to the pattern.
9515 (load_macho_picbase_di): Likewise.
9517 2006-02-16 Jeff Law <law@redhat.com>
9519 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9520 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9521 (ssa_name_nonzero_p): Likewise.
9522 (get_value_range): Return NULL if VRP is not running.
9523 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9524 VRP routines do not discover a range.
9525 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9526 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9527 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9528 (tree_expr_nonnegative_p): Similarly.
9529 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9530 (restore_nonzero_vars_to_original_value): Remove.
9531 (unsafe_associative_fp_binop): Remove.
9532 (tree_ssa_dominator_optimize): Remove initialization and
9533 finalization of nonzero_vars and nonzero_vars_stack.
9534 (dom_opt_initialize_block): No longer push marker on
9535 nonzero_vars_stack.
9536 (dom_opt_finalize_block): No longer call
9537 restore_nonzero_vars_to_original_value.
9538 (record_equivalences_from_phis): No longer look for
9539 nonzero PHI arguments.
9540 (cprop_into_successor_phis): No longer propagate nonzero
9541 property into PHI arguments. Lose unused argument. Caller
9542 updated.
9543 (record_equivalences_from_stmt): No longer record nonzero
9544 values for SSA_NAMEs.
9545 (lookup_avail_expr): No longer use nonzero_vars.
9547 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9548 for sizetype when sizetype is unsigned.
9550 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9552 PR rtl-optimization/25603
9553 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9554 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9555 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9556 with new meaning of SETS.
9558 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9560 PR target/20353
9561 PR target/24578
9562 PR target/24837
9563 * config/linux.opt: New file.
9564 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9565 LINUX_DYNAMIC_LINKER): Define.
9566 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9567 * config.gcc (*-*-linux*): Define extra_options.
9568 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9569 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9570 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9571 GLIBC_DYNAMIC_LINKER.
9572 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9573 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9574 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9576 * doc/invoke.texi (GNU/Linux Options): New section.
9578 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9580 * config/sparc/sparc.md (setjmp): Rewrite.
9581 (setjmp_32): Delete.
9582 (setjmp_64): Likewise.
9584 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9586 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9587 previous change.
9589 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9591 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9592 read-write uses.
9594 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9596 PR rtl-optimization/26296
9597 * Makefile.in (loop-invariant.c): Add except.h dependency.
9598 * loop-invariant.c: Include except.h.
9599 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9601 2005-02-16 Paul Brook <paul@codesourcery.com>
9603 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9604 for reloads.
9606 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9608 PR rtl-optimization/25636
9609 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9610 when deciding whether an insn is an initializing insn.
9612 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9614 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9615 (tree_code_size): Ditto.
9616 * tree.h (struct tree_memory_tag): Remove parent_var.
9617 (struct tree_struct_field_tag): New.
9618 (SFT_OFFSET): New.
9619 (SFT_SIZE): New.
9620 (union tree_node): Add sft member.
9621 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9622 specially here.
9623 (create_sft): Add size and offset argument, set SFT_OFFSET and
9624 SFT_SIZE.
9625 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9626 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9627 * tree-flow-inline.h (get_subvar_at): Update for
9628 SFT_OFFSET/SFT_SIZE.
9629 (var_can_have_subvars): Ditto.
9630 (overlap_subvar): Ditto.
9631 * print-tree.c (print_node): Print out interesting things for
9632 SFT's.
9633 * tree-flow.h (struct subvar): Remove offset and size members.
9634 * tree-ssa-operands.c (get_expr_operands): Update for
9635 get_indirect_ref_operands changes.
9636 (get_indirect_ref_operands): Call add_virtual_operand instead of
9637 add_stmt_operand. Only recurse on base var if requested.
9638 (access_can_touch_variable): New function.
9639 (add_stmt_operand): Split virtual operand handling into ...
9640 (add_virtual_operand): Here. Add offset, size, and for_clobber
9641 arguments. Prune alias sets.
9642 (add_call_clobber_ops): Call add_virtual_operand.
9644 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9646 PR middle-end/26300
9647 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9649 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9650 than TREE_CODE as index into omp_clause_num_ops array.
9652 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9654 PR rtl-optimization/26184
9655 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9656 uses_of_defs.
9657 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9658 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9659 must_precede, must_follow and tobe_scheduled.
9661 PR other/26147
9662 * opts.c (common_handle_option): Free new_option pointer.
9663 * df-core.c (df_analyze): Free postorder pointer.
9665 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9667 * Makefile.in: Fix the examples about the use of stamps
9669 2006-02-15 Michael Matz <matz@suse.de>
9671 PR middle-end/22275
9673 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9674 influenced by maximum_field_alignment or DECL_PACKED.
9675 (update_alignment_for_field): Ditto.
9676 (place_field): Ditto.
9677 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9678 this behaviour.
9680 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9682 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9683 (debug_flow_info): Pass it.
9684 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9685 * bb-reorder.c (reorder_basic_blocks): Likewise.
9686 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9687 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9688 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9689 * gcse.c (gcse_main, bypass_jumps): Likewise.
9690 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9691 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9692 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9693 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9694 * rtl.h (dump_flow_info): Adjust prototype.
9695 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9696 * var-tracking.c (variable_tracking_main): Likewise.
9697 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9698 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9699 options.
9701 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9703 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9704 construction.
9706 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9708 PR tree-optimization/26209
9709 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9710 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9711 eh edges.
9712 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9714 2006-02-14 Roger Sayle <roger@eyesopen.com>
9716 PR middle-end/23670
9717 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9718 (X,Y) and the corresponding symmetry related transformations.
9719 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9720 (X,Y) and its symmetry related transformations.
9722 2006-02-14 Roger Sayle <roger@eyesopen.com>
9724 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9725 and GEU.
9727 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9729 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9731 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9733 PR bootstrap/26053
9734 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9735 support COMDAT group.
9736 * configure: Regenerate.
9738 2006-02-14 Roger Sayle <roger@eyesopen.com>
9740 PR middle-end/26279
9741 PR middle-end/26280
9742 PR middle-end/26283
9743 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9745 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9747 Fix PR tree-optimization/26260
9749 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9750 param.
9751 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9752 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9753 * tree-ssa-structalias.c (create_variable_info_for): Use
9754 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9756 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9758 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9759 Document.
9760 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9761 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9762 of the ending condition.
9763 * tree-ssa-loop-manip.c: Include params.h.
9764 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9765 tree_unroll_loop): New functions.
9766 * tree-pass.h (pass_loop_prefetch): Declare.
9767 * loop.c (rest_of_handle_loop_optimize): Test for
9768 -fprefetch-loop-arrays-rtl.
9769 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9770 * timevar.def (TV_TREE_PREFETCH): New timevar.
9771 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9772 pass_loop_prefetch): New.
9773 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9774 (cleanup_tree_cfg_loop): Call scev_reset.
9775 * common.opt (fprefetch-loop-arrays-rtl): Add.
9776 * tree-ssa-loop-prefetch.c: New file.
9777 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9778 (new_temp_expr_table): Initialize expr_vars.
9779 (free_temp_expr_table): Cleanup expr_vars.
9780 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9781 expressions from being merged into one.
9782 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9783 (struct tree_niter_desc): Add control, bound and cmp fields.
9784 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9785 Declare.
9786 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9787 (tree-cfgcleanup.o): Add SCEV_H dependency.
9788 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9789 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9791 2006-02-14 Richard Guenther <rguenther@suse.de>
9793 PR tree-optimization/26258
9794 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9795 in PHI argument processing.
9797 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9799 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9800 new expression in the requested machine mode.
9802 2006-02-13 Roger Sayle <roger@eyesopen.com>
9804 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9805 directly, instead let do_compare_rtx_and_jump handle this for us.
9806 * expr.c (expand_expr_real_1): Likewise.
9807 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9808 before do_jump_by_parts_greater.
9809 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9810 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9812 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9814 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9816 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9818 PR rtl-optimization/26235
9819 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9820 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9821 format.
9823 2006-02-13 Jeff Law <law@redhat.com>
9825 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9826 TRUTH_XOR_EPR.
9828 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9830 PR middle-end/26092
9831 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9832 twice if decl is a builtin. When trying again, call get_callee_fndecl
9833 first to verify it is still a builtin.
9835 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9837 * dwarf2out.c (base_type_die): Don't add AT_name here.
9838 (subrange_type_die): Don't add AT_name here.
9839 (modified_type_die): Rearrange code flow. Do add AT_name here.
9841 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9843 PR rtl-optimization/26247
9844 PR rtl-optimization/26248
9845 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9847 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9849 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9850 * config/fixtfdi.c: Likewise.
9851 * config/fixunstfdi.c: Likewise.
9852 * config/floatditf.c: Likewise.
9854 2006-02-13 Roger Sayle <roger@eyesopen.com>
9856 PR middle-end/24427
9857 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9858 into (X,C2) if C1 is a subset of the bits of C2. Transform
9859 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9860 (X&(C1&~C2))|C2.
9861 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9863 2006-02-13 Josh Conner <jconner@apple.com>
9865 PR target/25376
9866 * varasm.c (function_section): Check for section name before
9867 calling select_section on targets that define
9868 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9869 unlikely_text_section instead of hot_function_section if
9870 first_function_block_is_cold.
9872 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9874 PR middle-end/25335
9875 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9877 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9879 PR rtl-optimization/26222
9880 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9881 after tree->rtl expansion.
9882 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9883 before passing it to emit_move_insn.
9885 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9887 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9888 default.
9889 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9890 Clarify documentation.
9891 * c-common.h (warn_write_strings): Remove.
9892 * c-common.c (warn_write_strings): Likewise.
9893 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9894 default for C++.
9896 2006-02-12 Roger Sayle <roger@eyesopen.com>
9898 PR middle-end/25724
9899 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9900 (do_jump_parts_zero_rtx): New function renamed from
9901 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9902 (do_jump_parts_equality_rtx): New function split out from
9903 do_jump_parts_equality. Old implementation renamed as above.
9904 Call do_jump_parts_zero_rtx if either operand is zero.
9905 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9906 do all of the heavy lifting.
9907 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9908 calling either do_jump_by_parts_greater_rtx or
9909 do_jump_by_parts_equality_rtx.
9910 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9911 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9912 moved to do_compare_rtx_and_jump, call it directly.
9913 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9914 mode argument. Call do_compare_rtx_and_jump.
9915 (emit_case_nodes): Update calls to do_jump_if_equal.
9917 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9919 PR rtl-optimization/26225
9920 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9922 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9924 PR rtl-optimization/26232
9925 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9927 2006-02-11 Jason Merrill <jason@redhat.com>
9929 PR tree-opt/24365
9930 * tree-inline.c (declare_return_variable): Just don't use the
9931 modify target if it's a gimple complex reg and the return slot
9932 isn't.
9934 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9936 * doc/contrib.texi: Update my entry.
9938 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9940 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9942 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9944 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9945 expensive.
9947 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9949 * doc/invoke.texi (-floop-optimize2): Removed.
9950 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9951 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9952 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9953 * common.opt (floop-optimize2): Removed.
9954 (fmove-loop-invariants): Enabled by default.
9956 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9958 * tree-if-conv.c (combine_blocks): Free the result of
9959 get_loop_exit_edges.
9961 2006-02-10 Jeff Law <law@redhat.com>
9963 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9965 PR tree-optimization/26213
9966 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9967 loop trying to follow SSA_NAME_VALUE chains.
9969 2006-02-10 Richard Guenther <rguenther@suse.de>
9971 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9972 deal with structures that end in implicitly variable sized arrays.
9974 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9976 PR rtl-optimization/24762
9977 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9978 eh edges.
9980 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9982 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9983 (struct ivopts_data): Add regs_used field.
9984 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9985 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9986 instead of loop_data->regs_used;
9987 (free_loop_data): Do not free aux fields for loops.
9988 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9989 and tree_ssa_iv_optimize_finalize.
9991 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9993 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9995 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9997 PR target/26141
9998 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9999 computing the effective result type.
10001 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10003 PR inline-asm/16194
10004 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10005 (tree_overlaps_hard_reg_set): Declare.
10006 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10007 type and signature to match function type expected by walk_tree.
10008 (tree_overlaps_hard_reg_set): New function.
10009 (decl_conflicts_with_clobbers_p): Rename to:
10010 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10011 Use tree_overlaps_hard_reg_set. Changed caller.
10012 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10013 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10014 * cris.c (cris_md_asm_clobbers): Likewise.
10016 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10018 * reload1.c (emit_input_reload_insns): Delete code that tries to
10019 inherit using find_equiv_reg.
10021 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10023 * c-common.h (flag_const_strings): Don't declare.
10024 * c-common.c (flag_const_strings): Remove.
10025 * c.opt (fconst_strings): Remove.
10026 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10027 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10028 (c_common_init_options): Don't set flag_const_strings.
10029 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10031 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10033 * arm.md (tlobits_cbranch): New pattern.
10034 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10035 testing a single bit.
10037 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10039 PR tree-opt/26179
10040 * tree-ssa-pre.c (create_component_ref_by_pieces):
10041 Handle RETURN_DECL like VAR_DECL.
10043 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10045 PR middle-end/26134
10046 * fold-const.c (fold_indirect_ref_1): Fold
10047 "*(foo *)&complexfoo" to "__real__ complexfoo"
10048 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10050 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10052 * tree-flow-inline.h (var_can_have_subvars):
10053 Volatile variables should not have subvariables.
10055 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10057 PR 26180
10058 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10059 multiplying unsigned values.
10060 Tidy comments.
10062 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10064 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10066 2006-02-08 Jason Merrill <jason@redhat.com>
10068 PR c++/25979
10069 * tree.def: Elaborate on difference from MODIFY_EXPR.
10070 * doc/c-tree.texi (INIT_EXPR): Likewise.
10071 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10072 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10073 (gimplify_target_expr): Likewise.
10074 (gimplify_cond_expr): Remove target handling.
10075 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10076 (gimplify_expr): Clobber it here.
10077 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10078 Do return slot optimization if we have an INIT_EXPR.
10080 PR tree-opt/24365
10081 * tree-inline.c (declare_return_variable): Also clear
10082 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10084 PR c++/16405
10085 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10087 PR middle-end/22439
10088 * gimplify.c (gimplify_one_sizepos): Fix typo.
10090 2006-02-08 Jeff Law <law@redhat.com>
10092 PR tree-optimization/21417
10093 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10094 across a backedge if the control statement at the end of the
10095 block is data dependent on other statements in the same block.
10096 (record_temporary_equivalences_from_stmts): Remove over-conservative
10097 test for threading across backedges.
10099 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10100 control statement, handle all three special cases in the same
10101 manner as they all have the same desired solution. No longer
10102 special case edge flag updating when the post dominator is
10103 the exit block.
10105 2006-02-08 Roger Sayle <roger@eyesopen.com>
10107 * tree.def (CHAR_TYPE): Remove.
10108 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10109 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10110 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10111 (gen_string_type_die): Delete unreachable function.
10113 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10114 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10115 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10116 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10117 * builtins.c (type_to_class): Likewise.
10118 * fold-const.c (fold_convert, build_range_check,
10119 merge_ranges): Likewise.
10120 * expr.c (count_type_elements): Likewise.
10121 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10122 * stor-layout.c (layout_type): Likewise.
10123 * ipa-type-escape.c (type_to_consider): Likewise.
10124 * gimplify.c (omp_firstprivatize_type_sizes,
10125 gimplify_type_sizes): Likewise.
10126 * explow.c (promote_mode): Likewise.
10127 * tree-sra.c (is_sra_scalar_type): Likewise.
10128 * varasm.c (output_constant): Likewise.
10129 * tree-inline.c (remap_type_1): Likewise.
10130 * convert.c (convert_to_pointer, convert_to_real,
10131 convert_to_integer, convert_to_complex): Likewise.
10133 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10135 * df-scan.c (df_def_record_1): A set destination may
10136 be a parallel regardless of mode.
10138 2006-02-08 Roger Sayle <roger@eyesopen.com>
10140 PR target/22209
10141 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10142 * config/mips/_tilib.c: Remove.
10143 * config/fixtfdi.c: New libgcc source file.
10144 * config/fixunstfdi.c: New source file.
10145 * config/floatditf.c: New source file.
10146 * config/floatunditf.c: New souce file.
10147 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10148 files above instead of config/mips/_tilib.c.
10149 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10151 2006-02-08 Jeff Law <law@redhat.com>
10153 PR tree-optimization/26169
10154 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10155 threading jumps.
10157 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10159 * df.h (DF_REG_SIZE): Return the length of the initialized
10160 part of the array.
10162 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10164 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10165 __muldf3): Return a correctly signed zero.
10167 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10169 * passes.c (register_one_dump_file): Accept the current properties
10170 instead of pass number. Adjust call to dump_register. Remove
10171 duplicated code.
10172 (register_dump_files): Now a wrapper around...
10173 (register_dump_files_1): ... this one. Do not modify the pass
10174 structure.
10175 (next_pass_1): Cosmetic fix.
10176 (execute_todo): Keep second parameter only. Use curr_properties
10177 instead of fetching it from the pass structure. Check and set
10178 last_verified.
10179 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10180 instead of fetching it from the pass structure. Fix calls to
10181 execute_todo. Update curr_properties and initialize .vcg RTL dump
10182 after running the pass. Reset last_verified.
10183 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10184 at the beginning.
10185 (FIRST_AUTO_NUMBERED_DUMP): New.
10186 (dump_register): Remove "num" parameter, assign it within the
10187 function.
10188 (get_dump_file_name): Modify template for dumps.
10189 * tree-dump.h (dump_register): Adjust prototype.
10190 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10191 (PROP_trees): Add PROP_gimple_lomp.
10192 (TODO_set_props): New.
10193 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10194 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10195 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10197 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10199 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10200 (sparc64-*-linux*): Likewise.
10201 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10202 * config/sparc/t-linux: New file.
10203 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10204 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10205 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10206 -m32 -mlong-double-128.
10208 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10209 * config/alpha/t-linux: New file.
10210 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10212 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10213 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10214 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10215 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10216 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10217 (CPP_ARCH32_SPEC): Remove.
10219 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10221 PR tree-optimization/26145
10222 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10223 bbs pointer.
10225 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10227 PR target/26109
10228 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10229 >= 240000 when generating code for SOM runtime.
10230 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10231 to $$dyncall when generating code for SOM runtime..
10233 2006-02-07 Dirk Mueller <dmueller@suse.com>
10235 PR c++/18150
10236 * doc/invoke.texi (-Wsequence-point): Update documentation
10237 that -Wsequence-point is implemented for C++ as well.
10239 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10241 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10242 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10243 (LIB_SPEC): Likewise.
10244 * doc/invoke.texi (SPARC options): Document -pthread.
10246 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10248 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10249 PIC addresses.
10251 2006-02-07 Roger Sayle <roger@eyesopen.com>
10253 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10254 Correct comment describing BOOLEAN_TYPE.
10256 2006-02-07 Dirk Mueller <dmueller@suse.com>
10258 * c.opt: C++ frontend supports -Wdiv-by-zero.
10259 * c-opts.c (c_common_handle_option): Remove dead case.
10261 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10263 * configure.ac (TLS assembler check): Do not enable TLS by
10264 default on SPARC/Solaris before version 10.
10265 * configure: Regenerate.
10267 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10269 * doc/invoke.texi (xl-compat): Document conversion and support
10270 routine names.
10272 2006-02-07 Jeff Law <law@redhat.com>
10274 * tree-vrp.c (find_conditional_asserts): Update comments.
10275 (simplify_stmt_for_jump_threading): New.
10276 (identify_jump_threads, finalize_jump_threads): New.
10277 (vrp_finalize): Call identify_jump_threads.
10278 (execute_vrp): Call finalize_jump_threads.
10279 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10280 (vrp_element, vrp_data, vrp_element_p): Remove.
10281 (vrp_hash_elt, vrp_variables_stack): Remove.
10282 (vrp_hash, vrp_eq, record_range): Remove.
10283 (simplify_cond_and_lookup_avail_expr): Remove.
10284 (extract_range_from_cond): Remove.
10285 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10286 (simplify_stmt_for_jump_threading): New.
10287 (dom_thread_across_edge): New wrapper.
10288 (tree_ssa_dominator_optimize): No longer initialize or
10289 finalize any of the VRP datastructures. Remove iteration
10290 step and simplify as a result of removal of iteration step.
10291 (pass_dominator): Perform a cfg cleanup after DOM.
10292 (dom_opt_finalize_block): Use the new common routines
10293 for threading jumps. Simplify stack management slightly.
10294 No longer need to unwind VRP state.
10295 (record_equivalences_from_incoming_edge): No longer record
10296 VRP information.
10297 (eliminate_redundant_computations): No longer call
10298 simplify_cond_and_lookup_avail_expr.
10299 * tree-flow.h (potentially_threadable_block): Prototype.
10300 (thread_across_edge): Likewise.
10301 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10302 (tree-ssa-threadedge.o): Add dependencies.
10303 * tree-ssa-threadedge.c: New file.
10304 * passes.c (init_optimization_passes): Merge PHIs before
10305 calling VRP. Run VRP again late in the SSA optimization pipeline.
10307 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10309 * df-core.c (df_set_blocks): Do not dereference function pointers.
10310 (df_finish1): Likewise.
10311 (df_hybrid_search_forward): Likewise.
10312 (df_hybrid_search_backward): Likewise.
10313 (df_iterative_dataflow): Likewise.
10314 (df_analyze_problem): Likewise.
10315 (df_compact_blocks): Likewise.
10316 (df_dump): Likewise.
10317 * df-scan.c (df_rescan_blocks): Likewise.
10318 (df_record_entry_block_defs): Likewise.
10320 * genconditions.c (write_conditions): Guard the definition of
10321 'insn_conditions' with the check on GCC version.
10322 (write_writer): Guard the traversal 'insn_conditions' with
10323 the check on GCC version.
10325 2006-02-07 Richard Guenther <rguenther@suse.de>
10327 PR c++/26140
10328 Revert
10329 2006-01-30 Richard Guenther <rguenther@suse.de>
10330 PR c++/23372
10331 * gimplify.c (gimplify_target_expr): Handle easy cases
10332 without creating a temporary.
10334 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10336 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10337 use of float in probability computations. Use edge probabilities
10338 in place of statically computed probabilities.
10339 (min_spec_prob): New static variable.
10340 (schedule_insns): Initialize it.
10341 (GET_SRC_PROB): Removed.
10342 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10344 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10346 PR debug/24444
10347 * config/ia64/unwind-ia64.c: Revert last change.
10348 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10349 (INCOMING_FRAME_SP_OFFSET): Define.
10351 2006-02-06 Roger Sayle <roger@eyesopen.com>
10353 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10355 2006-02-07 Ben Elliston <bje@au.ibm.com>
10357 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10358 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10359 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10360 (ix86_return_in_memory): Handle TDmode.
10361 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10362 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10364 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10366 * reorg.c (dbr_schedule): Use dump_file instead of file.
10368 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10370 PR target/25917
10371 * config/ia64/predicates.md (extr_len_operand): New predicate.
10372 * config/ia64/ia64.md (extv): Tighten constraints.
10373 (extzv): Ditto.
10374 (*tbit_and_2): Ditto.
10375 (*tbit_and_3): Ditto.
10376 (*tbit_or_2): Ditto.
10377 (*tbit_or_3): Ditto.
10378 (*bit_zero): Ditto.
10379 (*bit_one): Ditto.
10381 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10383 PR target/23359
10384 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10386 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10388 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10389 loop_optimizer_init and loop_optimizer_finalize
10390 * tree-ssa-sink.c (execute_sink_code): Ditto.
10391 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10392 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10393 tree_ssa_loop_done): Ditto.
10394 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10395 * sched-ebb.c: Include output.h.
10396 (schedule_ebbs): Do not use dump argument.
10397 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10398 * loop.c (loop_dump_stream): Removed.
10399 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10400 argument.
10401 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10402 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10403 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10404 loop_iterations, strength_reduce, record_biv, record_giv,
10405 final_giv_value, check_final_value, check_ext_dependent_givs,
10406 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10407 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10408 dump_file instead of loop_dump_stream.
10409 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10410 argument dump_file.
10411 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10412 dump argument.
10413 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10414 * haifa-sched.c: Include output.h
10415 (schedule_insns, sched_init): Do not use dump argument.
10416 * mode-switching.c (optimize_mode_switching): Ditto.
10417 * modulo-sched.c (stats_file): Removed.
10418 (print_node_sched_params): Do not call argument dump_file.
10419 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10420 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10421 of stats_file.
10422 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10423 use dump argument.
10424 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10425 rtl_loop_init, rtl_loop_done): Ditto.
10426 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10427 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10428 Ditto.
10429 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10430 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10431 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10432 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10433 * emit-rtl.c (renumber_insns): Ditto.
10434 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10435 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10436 * regclass.c (regclass): Ditto.
10437 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10438 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10439 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10440 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10441 Ditto.
10442 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10443 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10444 to regclass.
10445 * gcse.c (gcse_file, debug_stderr): Removed.
10446 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10447 rest_of_handle_gcse): Do not use dump argument.
10448 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10449 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10450 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10451 compute_code_hoist_vbeinout, compute_code_hoist_data,
10452 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10453 compute_store_table, build_store_vectors, insert_insn_start_bb,
10454 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10455 store_motion): Use dump_file instead of gcse_file.
10456 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10457 * profile.c (profile_dump_file): Removed.
10458 (branch_prob): Use dump_file instead of profile_dump_file.
10459 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10460 dump_file.
10461 * tree-ssa-copy.c (dump_copy_of): Ditto.
10462 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10463 dump file to life_analysis.
10464 * bt-load.c (branch_target_load_optimize): Ditto.
10465 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10466 renumber_insns.
10467 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10468 regclass, dbr_schedule): Declaration changed.
10469 * sched-int.h (sched_init): Declaration changed.
10470 * tree-profile.c (tree_profile_dump_file): Removed.
10471 (tree_profile_hooks): Removed profile_dump_file hook.
10472 * rtl-profile (rtl_profile_dump_file): Removed.
10473 (rtl_profile_hooks): emoved profile_dump_file hook.
10474 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10475 changed.
10476 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10477 * tree-cfg.c (build_tree_cfg): Ditto.
10478 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10479 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10480 Declaration changed.
10481 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10482 life_analysis and schedule_insns.
10483 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10484 life_analysis.
10485 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10486 dbr_schedule.
10487 * config/mips/mips.c (mips_reorg): Ditto.
10488 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10489 schedule_ebbs.
10491 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10493 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10494 (s390_mangle_fundamental_type): New.
10495 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10496 Define.
10498 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10499 (alpha_mangle_fundamental_type): New.
10500 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10501 Define.
10503 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10504 Define.
10505 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10506 Define.
10507 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10508 (sparc_mangle_fundamental_type): New.
10510 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10512 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10513 (s390x-*-linux*): Likewise.
10514 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10515 * config/s390/t-linux: New file.
10517 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10519 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10520 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10522 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10524 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10525 (ANTIC_SAFE_LOADS): New macro.
10526 (find_or_generate_expression): Add prototype.
10527 (set_contains_value): Allow null set for sake of not always having
10528 to allocate ANTIC_SAFE_LOADS.
10529 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10530 Allow COMPONENT_REF too.
10531 (valid_in_set): Allow COMPONENT_REF.
10532 Check ANTIC_SAFE_LOADS too.
10533 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10534 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10535 rename.
10536 (can_PRE_operation): Add COMPONENT_REF.
10537 (create_component_ref_by_pieces): New function.
10538 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10539 (insert_aux): Move AGGREGATE_TYPE_P check here.
10540 (compute_avail): Set bb local stmt uids.
10541 (pass_pre): Use TODO_update_ssa_only_virtuals.
10543 2006-02-06 Ben Elliston <bje@au.ibm.com>
10545 * configure.ac: Unconditionally disable decimal float by default.
10546 * configure: Regenerate.
10548 2006-02-06 Ben Elliston <bje@au.ibm.com>
10550 * read-rtl.c (read_name): Terminate reading on EOF.
10552 2006-02-06 Ben Elliston <bje@au.ibm.com>
10554 * dfp.c (decimal_real_arithmetic): Change second argument type
10555 from int to enum tree_code. Do not always return true, but now
10556 return result of any call to decimal_do helper functions.
10557 * dfp.h (decimal_real_arithmetic): Update prototype.
10559 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10561 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10563 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10565 PR tree-opt/25251
10566 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10567 forced labels.
10569 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10571 * tree-vrp.c (cfg_loops): Removed.
10572 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10573 Use current_loops instead of cfg_loops. Pass flags to
10574 loop_optimizer_init.
10575 * cfgloopmanip.c (fix_loop_structure): Update only available
10576 information.
10577 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10578 loop_optimizer_init.
10579 * modulo-sched.c (build_loops_structure): Removed.
10580 (sms_schedule): Use loop_optimizer_init.
10581 * loop-init.c (loop_optimizer_init): Use flags to determine
10582 which properties of loops to prepare.
10583 (rtl_loop_init): Pass flags to loop_optimizer_init.
10584 * tree-ssa-sink.c (execute_sink_code): Ditto.
10585 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10586 * tree-ssa-pre.c (init_pre): Ditto.
10587 * cfgloop.h (LOOPS_NORMAL): New.
10588 (loop_optimizer_init): Declaration changed.
10590 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10592 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10593 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10594 pa/t-pa.
10595 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10596 pa/t-pa.
10597 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10598 pa/x-ada.
10599 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10600 * pa/t-pa64: Delete quadlib.c rule.
10601 * pa/x-ada: Revert last change.
10602 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10604 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10606 PR rtl-optimization/26087
10607 * rtlanal.c (canonicalize_condition): Do not cross basic block
10608 boundaries.
10610 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10612 PR debug/24444
10613 * config/ia64/ia64.c: Include debug.h.
10614 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10615 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10616 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10617 (process_epilogue, process_set, process_for_unwind_directive):
10618 Output unwind info only if requested. Add CFA info if requested.
10619 Add new arguments as needed. Adjust callers.
10620 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10621 incorrect default.
10622 (DWARF2_FRAME_INFO): Define to zero.
10623 * config/ia64/unwind-ia64.c: Remove code that compensated for
10624 the CFA offset error fixed above.
10625 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10626 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10627 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10628 -funwind-tables and -fexceptions to enable frame info.
10629 (dwarf2out_frame_init): Define initial CFA even if
10630 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10631 DWARF2_UNWIND_INFO is nonzero, not just defined.
10632 (dwarf2out_frame_finish): Output non-EH call frame info only
10633 if DWARF2_FRAME_INFO is nonzero.
10634 (convert_cfa_to_loc_list,
10635 compute_frame_pointer_to_cfa_displacement): Define even if
10636 unwind info is not supported.
10637 (gen_subprogram_die): Use the above unconditionally. Remove
10638 legacy alternate code.
10639 * toplev.c (compile_file): Compile in call to
10640 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10641 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10643 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10644 Jakub Jelinek <jakub@redhat.com>
10646 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10647 IBM extended float format long double as "g" on powerpc*-linux.
10649 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10651 PR target/25926
10652 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10653 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10655 2006-02-03 Jason Merrill <jason@redhat.com>
10657 PR c++/25979
10658 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10660 PR middle-end/25977
10661 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10662 on the return slot if it's an NRV.
10664 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10666 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10667 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10668 rewrite_use): Do not handle USE_OUTER.
10669 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10670 add_iv_outer_candidates, may_replace_final_value,
10671 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10672 (find_interesting_uses_op): Functionality of
10673 find_interesting_uses_outer_or_nonlin moved here.
10674 (find_interesting_uses_outside): Use find_interesting_uses_op.
10676 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10678 PR target/25960
10679 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10681 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10682 Ulrich Weigand <uweigand@de.ibm.com>
10684 PR target/25864
10685 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10686 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10687 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10688 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10689 and dxr fields.
10690 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10691 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10692 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10693 Define secondary reloads for TFmode moves.
10694 (constant_modes): Add TFmode.
10695 (NR_C_MODES): Set to 8.
10696 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10697 builtin define.
10698 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10699 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10700 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10701 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10702 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10703 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10704 (FPR mode macro): Add TFmode.
10705 (DSF mode macro): New.
10706 (<de>, <dee> mode attributes): Removed.
10707 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10708 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10709 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10710 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10711 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10712 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10713 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10714 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10715 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10716 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10717 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10718 "*negabs<mode>2", "sqrt<mode>2"):
10719 Changed <de> to <xde>. R constraint replaced by <Rf>.
10720 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10721 <Rf>.
10722 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10723 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10724 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10725 splitters.
10726 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10727 "extenddftf2", "extendsftf2"): New expanders.
10728 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10729 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10730 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10731 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10732 New options.
10733 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10734 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10735 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10736 __floatditf): Add a GCC_4.1.0 symbol version tag.
10737 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10738 the new options.
10740 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10742 PR target/25377
10743 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10744 Use targetm.binds_local_p instead of TREE_PUBLIC.
10746 2006-02-02 Roger Sayle <roger@eyesopen.com>
10748 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10749 on INTEGER_TYPEs to indicate that it denotes a character type.
10750 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10751 signed_char_type_node, unsigned_char_type_node and char_type_node.
10752 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10753 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10754 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10756 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10757 Daniel Berlin <dberlin@dberlin.org>
10759 * tree-tailcall.c (arg_needs_copy_p): New function.
10760 (eliminate_tail_call): Use arg_needs_copy_p.
10761 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10762 (add_virtual_phis): New function.
10764 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10766 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10767 #ignore instead of #scratch for %g7 .register directive.
10769 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10771 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10772 object files.
10774 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10776 * flow.c (calculate_global_regs_live): Assert that there aren't any
10777 EDGE_FAKE edges.
10779 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10781 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10782 what its name says.
10783 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10784 bsi_after_labels iterator.
10785 * tree-if-conv.c (find_phi_replacement_condition,
10786 replace_phi_with_cond_modify_expr): Likewise.
10787 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10788 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10790 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10792 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10794 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10796 PR 25990
10797 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10798 array after growing it.
10800 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10802 PR middle-end/24901
10803 * fold-const.c (fold_checksum_tree): Change type of buf.
10805 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10807 * reload.c (push_secondary_reload): Initialize t_icode.
10809 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10811 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10812 -msoft-float -mlong-double-128 only issue a warning, but don't
10813 swich to DFmode long double.
10815 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10817 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10818 has a constant equivalent, iterate over equivalents for arg0,
10819 calling simplify_relational_operation and if there's a result
10820 cheaper than X, apply fold_rtx and return the result.
10822 2006-02-01 Jan Hubicka <jh@suse.cz>
10824 * opts.c (no_unit_at_a_time_default): New global variable.
10825 (decode_options): Use it.
10826 * opts.h (no_unit_at_a_time_default): Declare.
10828 2006-02-01 Paul Brook <paul@codesourcery.com>
10830 * function.c (assign_parm_setup_reg): Use function argument promotion
10831 rules.
10832 * expr.c (expand_expr_real_1): Use function argument promotion rules
10833 for PARM_DECLs.
10835 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10837 * gcc.c (process_command): Change j to 'unsigned int'.
10839 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10841 PR middle-end/26001
10842 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10843 Use the corrected index for the character
10844 out of the string constant.
10846 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10848 * mode-switching.c (optimize_mode_switching): Fix size
10849 allocated for bb_info[n_entities].
10851 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10853 * gcc.c (main): Correct type that is allocated for
10854 explicit_link_files.
10856 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10858 * config/s390/s390.c (init_alignment_context): Set
10859 ALIAS_SET_MEMORY_BARRIER on the MEM.
10860 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10862 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10864 PR middle-end/25933
10865 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10866 dom_bbs pointer.
10867 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10868 call to tpa_init.
10870 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10872 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10873 * regrename.c: Ditto.
10874 * tree-ssa-loop-im.c: Ditto.
10875 * tree-dump.c: Ditto.
10876 * tree-complex.c: Ditto.
10877 * genrecog.c: Ditto.
10878 * tree-ssa-threadupdate.c: Ditto.
10879 * tracer.c: Ditto.
10880 * java/class.c: Ditto.
10881 * java/jcf-parse.c: Ditto.
10882 * java/resource.c: Ditto.
10883 * java/except.c: Ditto.
10884 * java/jvspec.c: Ditto.
10885 * java/jcf-write.c: Ditto.
10886 * java/jcf-path.c: Ditto.
10887 * java/gjavah.c: Ditto.
10888 * java/zextract.c: Ditto.
10889 * java/jcf-io.c: Ditto.
10890 * java/jcf.h: Ditto.
10891 * java/buffer.c: Ditto.
10892 * java/lang.c: Ditto.
10893 * java/parse-scan.y: Ditto.
10894 * java/lex.c: Ditto.
10895 * java/lex.h: Ditto.
10896 * cfgloopmanip.c: Ditto.
10897 * postreload-gcse.c: Ditto.
10898 * tree-ssa-loop-manip.c: Ditto.
10899 * postreload.c: Ditto.
10900 * tree-ssa-loop-ch.c: Ditto.
10901 * loop.c: Ditto.
10902 * ipa-cp.c: Ditto.
10903 * cppspec.c: Ditto.
10904 * diagnostic.c: Ditto.
10905 * final.c: Ditto.
10906 * genoutput.c: Ditto.
10907 * gcc.c: Ditto.
10908 * cfghooks.c: Ditto.
10909 * cfgloopanal.c: Ditto.
10910 * objc/objc-act.c: Ditto.
10911 * gcov.c: Ditto.
10912 * genextract.c: Ditto.
10913 * genautomata.c: Ditto.
10914 * pretty-print.c: Ditto.
10915 * genemit.c: Ditto.
10916 * cgraphunit.c: Ditto.
10917 * flow.c: Ditto.
10918 * df-scan.c: Ditto.
10919 * haifa-sched.c: Ditto.
10920 * dominance.c: Ditto.
10921 * dbxout.c: Ditto.
10922 * tree-ssa-loop-ivopts.c: Ditto.
10923 * df-core.c: Ditto.
10924 * mode-switching.c: Ditto.
10925 * modulo-sched.c: Ditto.
10926 * graph.c: Ditto.
10927 * ipa-pure-const.c: Ditto.
10928 * cse.c: Ditto.
10929 * fix-header.c: Ditto.
10930 * web.c: Ditto.
10931 * tree-stdarg.c: Ditto.
10932 * ipa-utils.c: Ditto.
10933 * loop-init.c: Ditto.
10934 * ipa-inline.c: Ditto.
10935 * cfganal.c: Ditto.
10936 * global.c: Ditto.
10937 * alloc-pool.c: Ditto.
10938 * dwarf2out.c: Ditto.
10939 * opts.c: Ditto.
10940 * genattrtab.c: Ditto.
10941 * tree-ssa-loop-ivcanon.c: Ditto.
10942 * predict.c: Ditto.
10943 * timevar.c: Ditto.
10944 * lcm.c: Ditto.
10945 * fortran/gfortranspec.c: Ditto.
10946 * regmove.c: Ditto.
10947 * local-alloc.c: Ditto.
10948 * langhooks.c: Ditto.
10949 * function.c: Ditto.
10950 * tree-vectorizer.c: Ditto.
10951 * gcse.c: Ditto.
10952 * ipa-type-escape.c: Ditto.
10953 * alias.c: Ditto.
10954 * tree-if-conv.c: Ditto.
10955 * profile.c: Ditto.
10956 * ipa.c: Ditto.
10957 * tree-data-ref.c: Ditto.
10958 * loop-unroll.c: Ditto.
10959 * treelang/treetree.c: Ditto.
10960 * calls.c: Ditto.
10961 * bt-load.c: Ditto.
10962 * ggc-common.c: Ditto.
10963 * except.c: Ditto.
10964 * coverage.c: Ditto.
10965 * cselib.c: Ditto.
10966 * tree-cfgcleanup.c: Ditto.
10967 * tree-ssa-pre.c: Ditto.
10968 * cfgcleanup.c: Ditto.
10969 * loop-invariant.c: Ditto.
10970 * loop-iv.c: Ditto.
10971 * ipa-prop.c: Ditto.
10972 * print-tree.c: Ditto.
10973 * conflict.c: Ditto.
10974 * ggc-page.c: Ditto.
10975 * sched-deps.c: Ditto.
10976 * regclass.c: Ditto.
10977 * tree-object-size.c: Ditto.
10978 * combine.c: Ditto.
10979 * bb-reorder.c: Ditto.
10980 * resource.c: Ditto.
10981 * var-tracking.c: Ditto.
10982 * cfgloop.c: Ditto.
10983 * df-problems.c: Ditto.
10984 * reg-stack.c: Ditto.
10985 * tlink.c: Ditto.
10986 * gccspec.c: Ditto.
10987 * sched-rgn.c: Ditto.
10988 * tree-ssa-structalias.c: Ditto.
10989 * tree-ssa-reassoc.c: Ditto.
10990 * config/darwin-c.c: Ditto.
10991 * config/darwin.c: Ditto.
10992 * config/arm/arm.c: Ditto.
10993 * cfgrtl.c: Ditto.
10994 * collect2.c: Ditto.
10995 * reload1.c: Ditto.
10997 2006-01-31 Nicolas Pitre <nico@cam.org>
10999 * arm.md (smaxsi3): Make aware of smax_m1.
11000 (smax_m1): New.
11002 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11004 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11006 2006-01-31 Richard Guenther <rguenther@suse.de>
11008 * doc/invoke.texi (-msselibm): Document.
11009 * target.h (expand_library_builtin): New target hook.
11010 * builtins.c (expand_builtin): Use expand_library_builtin.
11011 (default_expand_library_builtin): New function.
11012 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11013 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11014 (link_gcc_math_spec): Declare.
11015 (static_specs): Add link_gcc_math_spec.
11016 * expr.h (default_expand_library_builtin): Declare.
11017 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11018 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11019 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11020 * config/i386/i386.opt (msselibm): New target option.
11021 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11022 (ix86_init_sse_abi_builtins): New function.
11023 (ix86_expand_library_builtin): Likewise.
11024 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11025 (override_options): Handle error conditions wrt -msselibm.
11026 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11027 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11028 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11029 builtins.
11031 2006-01-31 Richard Guenther <rguenther@suse.de>
11032 Paolo Bonzini <bonzini@gnu.org>
11034 * doc/install.texi (--disable-libgcc-math): Document.
11036 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11038 * expr.h (expand_normal): new inline function.
11039 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11040 * dojump.c: use it.
11041 * dwarf2out.c: use it.
11042 * expr.c: use it.
11043 * calls.c: use it.
11044 * expmed.c: use it.
11045 * except.c: use it.
11046 * config/sparc/sparc.c: use it.
11047 * config/i386/i386.c: use it.
11048 * config/rs6000/rs6000.c: use it.
11049 * config/arm/arm.c: use it.
11050 * config/mips/mips.c: use it.
11051 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11053 2006-01-30 Roger Sayle <roger@eyesopen.com>
11055 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11056 argv to the appropriate type.
11058 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11060 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11061 unreachable code.
11063 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11065 PR target/26018
11066 * config/s390/s390.c (struct machine_function): New flag
11067 decomposed_literal_pool_addresses_ok_p.
11068 (s390_reorg): Set it before final stage of literal pool transforms.
11069 (s390_decompose_address): Only accept displacements of the form
11070 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11072 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11074 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11075 the comparison routine return.
11077 2006-01-30 Michael Matz <matz@suse.de>
11079 * global.c (find_reg): Only evict for global regs.
11080 Take n_refs into account and dump more info.
11082 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11084 PR target/14798:
11085 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11086 (pragma_trap, pragma_nosave_low_regs): Likewise.
11087 (current_function_anonymous_args): Likewise.
11088 (sh_deferred_function_attributes): New variable.
11089 (sh_deferred_function_attributes_tail): Likewise.
11090 (print_operand): For '@', look up trap_exit attribute.
11091 (calc_live_regs): Look up trapa_handler attribute. For trapa
11092 handlers, save/restore fpscr, but don't do any other
11093 interrupt-specific saves.
11094 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11095 Fix check for partially saved registers to check for SHmedia.
11096 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11097 (sh_output_function_epilogue): Don't clear any of the removed
11098 variables.
11099 (sh_insert_attributes): Don't check pragma_interrupt.
11100 Insert deferred attributes. Check that interrupt attribute is
11101 present for other attributes that require its presence.
11102 (sh_attribute_table): Add new attributes trapa_handler and
11103 nosave_low_regs.
11104 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11105 Don't check for pragma_interrupt. Don't store argument.
11106 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11107 (sh_deferred_function_attributes): Declare.
11108 (sh_deferred_function_attributes_tail): Likewise.
11109 * sh.md (sp_switch_1): Add operand. Change generator caller.
11110 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11111 (*return_i): Don't use when trap_exit attribute is in effect.
11112 (*return_trapa): New insn pattern.
11113 * sh-c.c: New file.
11114 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11115 setting c_target_objs and cxx_target_objs.
11116 * t-sh: Add rule for sh-c.o.
11118 2006-01-30 Richard Guenther <rguenther@suse.de>
11120 PR c++/23372
11121 * gimplify.c (gimplify_target_expr): Handle easy cases
11122 without creating a temporary.
11124 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11126 * vec.h (safe_grow): Remove duplicated line.
11128 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11130 PR 25874
11131 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11132 (expand_omp): ... here.
11133 (expand_omp_parallel): Only remove barriers for combined
11134 parallel+workshare constructs.
11136 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11138 Revert
11140 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11141 * tree.c (build_qualified_type): Chain the new type to the original
11142 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11143 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11144 (build_pointer_type_for_mode): Only return unqualified types.
11145 (build_reference_type_for_mode): Likewise.
11147 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11149 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11150 * Makefile.in (CXX_COMPAT_WARN): Define.
11151 * configure: Regenerate.
11153 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11155 PR tree-opt/25911
11156 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11157 to an if check.
11159 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11161 * toplev.c: Fix thinko.
11163 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11164 Marcin Dalecki <martin@dalecki.de>
11166 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11167 (push_srcloc): Use XNEW.
11168 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11170 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11172 * df-core.c (df_set_blocks): Deleted all variable.
11174 2006-01-28 Ian Lance Taylor <ian@airs.com>
11176 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11177 cgraph_output_pending_asms.
11179 2006-01-28 Zack Weinberg <zackw@panix.com>
11181 * c.opt: Add -W(no-)overlength-strings.
11182 * doc/invoke.texi: Document it.
11183 * c-opts.c (c_common_handle_option): -pedantic implies
11184 -Woverlength-strings, if not explicitly disabled already.
11185 (c_common_post_options): -Woverlength-strings defaults to off, and
11186 is always off for C++.
11187 * c-common.c (fix_string_type): Issue warning about strings longer
11188 than is portable only if warn_overlength_strings. Rearrange code
11189 a little for clarity.
11190 * configure.in: Check for -Wno-overlength-strings as well before
11191 enabling -pedantic in stage 1.
11192 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11193 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11195 * genconditions.c (write_header, write_one_condition)
11196 (write_conditions, write_writer): Consolidate very long strings
11197 that were broken up to fit in C89 portable limit. Don't use
11198 printf when fputs will do.
11200 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11202 * combine.c (simplify_comparison <AND>): Check
11203 TRULY_NOOP_TRUNCATION before start using a subreg.
11205 * config/mips/mips.md (*branch_zero<mode>,
11206 *branch_zero<mode>_inverted, *branch_equality<mode>,
11207 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11208 Remove mode check from comparisons.
11210 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11212 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11214 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11216 * expmed.c (const_mult_add_overflow_p): Remove.
11217 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11219 * recog.c (validate_replace_rtx_subexp): Remove.
11220 * recog.h: Remove the prototype for
11221 validate_replace_rtx_subexp.
11223 * integrate.h: Remove the prototype for
11224 copy_decl_for_inlining.
11225 * rtl.h: Remove the prototype for mark_constant_function.
11226 * tree-vectorizer.h: Remove the prototype for
11227 vect_strip_conversion.
11229 * modulo-sched.c (create_partial_schedule,
11230 free_partial_schedule, reset_partial_schedule): Make them
11231 static.
11233 * hooks.c (hook_bool_rtx_int_false): Remove.
11234 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11236 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11238 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11239 and -mlong-double-128 are incompatible.
11240 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11241 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11242 (TARGET_LIBGCC2_CFLAGS): Define.
11243 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11244 (TARGET_LIBGCC2_CFLAGS): Same.
11245 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11247 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11249 PR c/19606.
11250 * c-typeck.c (build_binary_op): Perform implicit casts of
11251 operands before shortening them.
11253 * cfgloopmanip.c (split_loop_bb): Remove.
11254 * cfgloop.h: Remove the prototype for split_loop_bb.
11256 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11257 * cfgloop.h: Remove the prototype for
11258 flow_loop_outside_edge_p.
11260 * emit-rtl.c (init_virtual_regs): Make it static.
11261 * function.h: Remove the prototype for init_virtual_regs.
11263 * recog.c (peephole2_optimize): Make it static.
11264 * recog.h: Remove the prototype for peephole2_optimize.
11266 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11268 * df-scan.c (df_record_entry_block_defs): Check if
11269 INCOMING_RETURN_ADDR_RTX is defined.
11271 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11272 Kenneth Zadeck <zadeck@naturalbridge.com>
11274 PR rtl-optimization/24762
11275 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11276 * targhooks.c (hook_void_bitmap): New hook prototype.
11277 * targhoohs.h (hook_void_bitmap): Ditto.
11278 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11279 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11280 * target.h (live_on_entry): New function pointer.
11281 * df-scan.c (df_all_hard_regs): Removed.
11282 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11283 (df_scan_free_internal): Added df->entry_block_defs.
11284 (df_scan_alloc): Ditto.
11285 (df_scan_dump): Ditto.
11286 (df_uses_record): Plumbed flag field properly thru calls.
11287 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11288 This part fixes PR24762.
11289 (df_bb_refs_record): Added code to make the frame and arg
11290 pointers live in EH blocks.
11291 (df_refs_record): Added call to df_record_entry_block_defs.
11292 (df_record_entry_block_defs): New function.
11293 * df-core.c: Added comments to describe new artifical defs.
11294 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11295 (entry_block_defs): New field in struct df.
11296 (df_all_hard_regs): Deleted.
11297 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11298 * df-problems.c (df_ru_bb_local_compute_process_def):
11299 Added code to handle artifical defs in the entry to a function.
11300 (df_ru_bb_local_compute): Ditto.
11301 (df_rd_bb_local_compute_process_def): Ditto.
11302 (df_rd_bb_local_compute): Ditto.
11303 (df_lr_bb_local_compute): Ditto.
11304 (df_ur_bb_local_compute): Ditto.
11305 (df_urec_bb_local_compute): Ditto.
11306 (df_chain_create_bb): Ditto.
11307 (df_ur_local_finalize): Removed entry.
11308 (df_urec_init): Ditto.
11309 (df_urec_local_finalize): Ditto.
11310 (df_ri_bb_compute): Added detection of last use of pseudos.
11311 * Makefile.in (df-scan.o): Updated dependencies.
11312 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11313 * config/mips/mips.c (mips_set_live_on_entry): Added.
11314 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11315 for target hook.
11316 * dce.c (marked_insn_p): Added code to handle artifical defs.
11318 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11320 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11321 intrinsic.
11322 (_mm_cvtsi128_si64): Likewise.
11323 (_mm_cvtsd_si64): Likewise.
11324 (_mm_cvttsd_si64): Likewise.
11325 (_mm_cvtsi64_sd): Likewise.
11326 (_mm_cvtsi64_si128): Likewise.
11327 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11328 (_mm_cvtsi64_m64): Likewise.
11329 (_m_to_int64): Likewise.
11330 (_mm_cvtm64_si64): Likewise.
11331 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11332 (_mm_cvttss_si64): Likewise.
11333 (_mm_cvtsi64_ss): Likewise.
11334 (_mm_cvtss_f32): Likewise.
11336 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11338 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11339 for pragma redefine_extname.
11341 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11343 PR target/25864
11344 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11345 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11346 -mno-minimal-toc to previous content.
11347 (bispecs): Remove goal.
11348 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11349 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11350 compatibility aliases on powerpc-*-*gnu*.
11351 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11352 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11353 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11354 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11355 (ldblspecs): New goal.
11356 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11357 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11358 _df_to_tf.
11359 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11360 L_sf_to_tf or L_df_to_tf is defined.
11362 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11363 Alan Modra <amodra@bigpond.net.au>
11365 PR target/25864
11366 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11367 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11368 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11369 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11370 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11371 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11372 (rs6000_override_options): Initialize rs6000_ieeequad.
11373 Initialize TFmode format to ibm_extended_format if not
11374 TARGET_IEEEQUAD.
11375 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11376 ieeelongdouble.
11377 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11378 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11379 (function_arg_advance): IBM long double passed in two FPRs, not
11380 split.
11381 (function_arg): IBM long double passed in FPRs.
11382 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11383 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11384 Only multireg GPR aligned.
11385 (rs6000_init_libfuncs): Enable IBM long double functions if not
11386 IEEEQUAD.
11387 (rs6000_generate_compare): Use IBM long double compare if not
11388 TARGET_IEEEQUAD.
11389 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11390 (TARGET_IEEEQUAD): Define.
11391 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11392 not TARGET_IEEEQUAD.
11393 * config/rs6000/rs6000.md: Enable TFmode patterns if
11394 !TARGET_IEEEQUAD.
11395 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11396 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11397 and -mlong-double-128 are incompatible.
11398 * doc/invoke.texi (-mabi): Collect options together. Add
11399 ibmlongdouble and ieeelongdouble.
11401 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11403 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11404 opaque type.
11405 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11406 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11407 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11408 * rtl.h (rtunion_def): Remove rt_ptr.
11409 (X0PTR): Delete.
11410 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11411 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11412 * config/i386/winnt.c (i386_pe_mark_dllexport)
11413 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11415 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11417 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11419 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11421 PR other/24829
11422 PR target/24831
11423 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11424 pthread_key_delete. From John David Anglin. gthrw-ify
11425 pthread_getunique_np only if it it's not a macro. Delete
11426 UNUSED macro.
11427 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11428 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11429 __gthread_objc_condition_signal, __gthread_key_delete): Add
11430 "__attribute__ ((__unused__))" to unused arguments.
11431 (__gthread_recursive_mutex_init_function): Add missing return.
11432 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11433 gthr-posix95.h: Use macro-based approach for name redirection
11434 on targets missing weakref.
11436 2006-01-26 Zack Weinberg <zackw@panix.com>
11438 * genconditions.c (write_header): In generated code, #ifdef out
11439 all includes and fake declarations, except includes of bconfig.h
11440 and system.h, unless GCC_VERSION >= 3001. Do not include
11441 gensupport.h in any case.
11442 (write_conditions): Generate a definition of struct c_test. Add
11443 a comment to the generated #endif.
11444 (write_one_condition): Escape backslashes in string too.
11445 (write_writer): Generated code must escape backslashes and quote
11446 marks (but not newlines) in the strings it writes.
11447 * Makefile.in (build/gencondmd.o): Update dependencies.
11449 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11451 PR target/25961
11452 * Makefile.in (insn-automata.o): Add header file dependencies.
11453 * genautomata.c: Add includes.
11455 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11457 PR target/25961
11458 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11460 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11462 * configure.ac: Expect target tools paths to be passed from the toplevel
11463 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11464 AS_SET_VAR_IF.
11465 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11467 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11469 PR c/25892
11470 * c.opt (Wpointer-sign): Init to -1.
11471 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11472 OPT_pedantic, to 0 otherwise.
11473 * doc/invoke.texi: Update.
11475 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11477 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11478 constants provided by 80387 instructions in the destination mode.
11480 2006-01-26 Richard Guenther <rguenther@suse.de>
11481 Andrew Pinski <pinskia@physics.uc.edu>
11483 PR tree-opt/21470
11484 partial PR tree-opt/17064
11485 * tree-ssa-structalias.c (intra_create_variable_infos):
11486 Create heap variables for incoming parameters if
11487 flag_argument_noalias > 1.
11488 (find_what_p_points_to): Look through default defs of
11489 parameter decls.
11491 2006-01-26 Jeff Law <law@redhat.com>
11493 PR ada/25900
11494 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11495 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11496 within the VR_RANGE, use the VR_RANGE as the result, not the
11497 VR_ANTI_RANGE.
11498 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11499 bounds for the type.
11501 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11503 * tree-ssa-alias.c (maybe_create_global_var): Change
11504 subvar walking to an assertion that we don't have subvar'd variables.
11506 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11508 PR C/25861
11509 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11510 Use a new variable, inner. PARM_DECLs are always non-weak.
11512 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11514 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11515 --disable-checking.
11517 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11519 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11521 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11523 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11524 (smax_insn, smin_insn, smax_0, smin_0): New.
11526 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11528 PR target/25947
11529 * config/cris/cris.c (cris_order_for_addsi3): New function.
11530 * config/cris/cris-protos.h: Prototype it.
11531 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11532 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11533 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11534 (split for "op.S1 [rx=rx+i],ry (swapped)")
11535 (split for "op(s|u).S1 [rx=rx+i],ry")
11536 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11537 Apply cris_order_for_addsi3 when generating addsi3 insns.
11539 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11541 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11542 (TREE_BLOCK): Add call to EXPR_CHECK.
11544 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11546 PR 25886
11547 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11548 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11549 (dump_omp_clauses): ... here.
11550 (dump_generic_node): Handle OMP_CLAUSE.
11551 * tree.c (omp_clause_num_ops): New.
11552 (omp_clause_code_name): New.
11553 (tree_code_size): Handle OMP_CLAUSE.
11554 (tree_size): Likewise.
11555 (make_node): Document handling of OMP_CLAUSE.
11556 (tree_node_structure): Handle OMP_CLAUSE.
11557 (omp_clause_check_failed): New.
11558 (omp_clause_range_check_failed): New.
11559 (omp_clause_operand_check_failed): New.
11560 (build_omp_clause): New.
11561 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11562 * tree.h (enum omp_clause_code): Declare.
11563 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11564 (OMP_CLAUSE_RANGE_CHECK): Define.
11565 (OMP_CLAUSE_ELT_CHECK): Define.
11566 (omp_clause_check_failed): Declare.
11567 (omp_clause_operand_check_failed): Declare.
11568 (omp_clause_range_check_failed): Declare.
11569 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11570 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11571 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11572 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11573 (OMP_CLAUSE_IF_EXPR): Likewise.
11574 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11575 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11576 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11577 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11578 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11579 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11580 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11581 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11582 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11583 (OMP_CLAUSE_CODE): Define.
11584 (OMP_CLAUSE_SET_CODE): Define.
11585 (OMP_CLAUSE_CODE): Define.
11586 (OMP_CLAUSE_OPERAND): Define.
11587 (struct tree_omp_clause): Declare.
11588 (union tree_node): Add field 'omp_clause'.
11589 * treestruct.def (TS_OMP_CLAUSE): Define.
11590 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11591 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11592 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11593 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11594 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11595 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11596 (OMP_CLAUSE): Define.
11597 * print-tree.c (print_node): Handle OMP_CLAUSE.
11598 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11599 * c-typeck.c: Likewise.
11600 * gimplify.c: Likewise.
11601 * c-omp.c: Likewise.
11602 * tree-nested.c: Likewise.
11603 * tree-inline.c: Likewise.
11604 * c-parser.c: Likewise.
11605 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11606 clauses.
11608 2006-01-25 Roger Sayle <roger@eyesopen.com>
11610 PR rtl-optimization/25703
11611 * combine.c (try_combine): Handle zero_extract and strict_low_part
11612 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11614 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11616 * global.c: Fix comment typos.
11618 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11620 PR target/25758
11621 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11622 Use output_addr_const instead of assemble_name.
11624 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11626 * Makefile.in (sched-vis.o): Update dependencies.
11627 * haifa-sched.c (sched_finish): Clear current_sched_info.
11628 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11629 (dump_flow_info): Call it.
11630 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11631 a slim RTL dump.
11632 * basic-block.h (dump_bb_info): Declare.
11633 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11634 option, and apply options only for dump files whose TDF_RTL,
11635 TDF_TREE, or TDF_IPA bits match.
11636 * rtl.h: Declare new functions exported from sched-vis.c.
11637 * sched-vis.c: Enable also if scheduling is not used.
11638 (print_value): Print the mode of registers if not inside scheduling.
11639 (print_insn): Make it work outside the scheduler. Beautify the output
11640 a bit.
11641 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11643 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11645 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11646 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11647 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11648 depending on the value of CONSTANT_POOL_ADDRESS_P.
11649 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11650 SYMBOL_REF_DECL.
11651 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11652 rather than SYMBOL_REF_DECL.
11653 (rtx_constant_pool): Remove const_rtx_sym_htab.
11654 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11655 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11656 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11657 Remove handling of const_rtx_sym_htab.
11658 (find_pool_constant): Delete.
11659 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11660 rather than find_pool_constant.
11661 (get_pool_constant_for_function): Delete.
11662 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11663 find_pool_constant.
11664 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11665 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11666 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11667 (SYMBOL_REF_CONSTANT): New macro.
11668 (get_pool_constant_for_function): Delete.
11669 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11670 rather than SYMBOL_REF_DECL.
11671 (i386_pe_mark_dllimport): Likewise.
11672 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11673 rather than SYMBOL_REF_DECL.
11674 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11675 (machopic_indirect_call_target): Likewise.
11677 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11679 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11681 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11683 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11685 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11687 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11689 2006-01-24 David Daney <ddaney@avtrex.com>
11691 PR java/25816
11692 * configure.ac (enable_tls): New enable option.
11693 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11694 * configure: Regenerate.
11695 * doc/install.texi (--enable-tls): Document new option.
11696 (--disable-tls): Ditto.
11698 2006-01-24 Richard Henderson <rth@redehat.com>
11700 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11701 * alias.c (true_dependence): Respect it.
11702 (canon_true_dependence, write_dependence_p): Likewise.
11703 * builtins.c (get_builtin_sync_mem): Set it.
11705 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11707 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11708 efficient way.
11710 2006-01-24 DJ Delorie <dj@redhat.com>
11712 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11713 for storing constants in single-bit bitfields.
11715 2006-01-25 Ben Elliston <bje@au.ibm.com>
11717 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11719 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11721 PR tree-opt/25860
11722 * tree-ssa-pre.c (phi_translate): Return NULL
11723 for AGGREGATE_TYPE's.
11725 2006-01-24 Zack Weinberg <zackw@panix.com>
11727 * genautomata.c (process_state_for_insn_equiv_partition):
11728 Use xcalloc for insn_arcs_array.
11729 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11730 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11732 2006-01-24 Richard Henderson <rth@redhat.com>
11734 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11735 update all callers.
11737 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11739 PR rtl-optimization/25890
11740 PR rtl-optimization/25905
11741 * combine.c (expand_compound_operation, expand_field_assignment):
11742 Fail if the bitfield's final position is out of bounds.
11744 2006-01-24 Ian Lance Taylor <ian@airs.com>
11746 PR middle-end/25930
11747 * cgraphunit.c (cgraph_output_in_order): Don't clear
11748 cgraph_asm_nodes until after asm strings have been output.
11750 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11752 * fix-header.c (read_scan_file): Add new parameter imultilib when
11753 calling register_include_chains.
11755 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11757 * omp-low.c: Update documentation.
11759 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11760 Daniel Berlin <dberlin@dberlin.org>
11762 PR tree-opt/25315
11763 PR tree-opt/25857
11764 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11765 return from the function.
11767 2006-01-22 Zack Weinberg <zackw@panix.com>
11769 * rtl.def (match_code): Add second argument.
11770 * genpreds.c (write_extract_subexp): New function.
11771 (write_match_code): Add path argument. Use write_extract_subexp.
11772 (write_predicate_expr): Pass path to write_match_code.
11773 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11774 not perform a mode test.
11775 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11776 a subexpression does not constrain the top-level code set.
11777 * read-rtl.c (read_rtx_variadic): New function.
11778 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11779 * doc/md.texi: Document new notation.
11780 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11781 (cmpsi_operand): ... here, using new notation.
11783 2006-01-22 Zack Weinberg <zackw@panix.com>
11785 * varray.c: Remove GENERATOR_FILE #ifdefs.
11787 2006-01-22 Zack Weinberg <zackw@panix.com>
11789 * genautomata.c (output_reserved_units_table): Emit nothing if
11790 description->query_units_num is zero. Remove extra blank line.
11791 (output_cpu_unit_reservation_p): Short circuit
11792 if description->query_units_num is zero.
11794 2006-01-22 Zack Weinberg <zackw@panix.com>
11796 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11797 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11798 nor any of the random handful of variables that used to be necessary
11799 when this program was linked with rtlanal.o. Prune set of forward
11800 function declarations.
11801 (struct attr_desc): Remove static_p field.
11802 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11803 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11804 (attr_string): Do not read the character one past the length of
11805 the string.
11806 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11807 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11808 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11809 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11810 (make_automaton_attrs): New.
11811 (main): Do not call into genautomata. Call local gen_bypass
11812 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11813 Remove special case for insn_alts.
11814 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11815 varray.h (leftover from previous change). Prune set of forward
11816 function declarations. Remove state_alts fields from all
11817 structures. Remove state_alts_table from struct automaton.
11818 Make everything except main static. Do not maintain num_dfa_decls.
11819 Do not maintain state_alts fields of various structures.
11820 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11821 (add_arc): Remove state_alts argument. All callers updated.
11822 (output_reserved_units_table): Emit #ifdef here...
11823 (output_tables): ...not here. Don't generate state_alts tables.
11824 (expand_automata): Don't generate attributes.
11825 (write_automata): Don't generate state_alts functions.
11826 (main): New function.
11827 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11828 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11829 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11830 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11831 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11832 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11833 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11834 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11835 Delete.
11836 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11837 * genattrtab.h: Delete file.
11838 * Makefile.in (OBJS-common): Add insn-automata.o.
11839 (insn-automata.o): New rule.
11840 (simple_generated_c): Add insn-automata.c.
11841 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11842 (genprogmd): Add automata.
11843 (build/genattrtab): Needs no extra objects nor libraries.
11844 (build/genautomata): Needs build/vec.o and -lm.
11846 2006-01-22 Zack Weinberg <zackw@panix.com>
11848 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11849 (output_dfa_max_issue_rate, locked_states_num): Delete.
11850 (struct automaton): Add locked_states field.
11851 (output_dead_lock_vect): Save number of locked states in
11852 automaton->locked_states. If it is zero, don't print anything.
11853 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11854 (output_internal_dead_lock_func): Only test the dead_lock_vect
11855 for automata that have locked states.
11856 (output_statistics): Always print the number of locked states for
11857 each automaton. Calculate total number of locked states here.
11858 (write_automata): Don't call output_dfa_max_issue_rate.
11859 * genattrtab.c: Define length_unit_log as a const variable.
11860 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11861 max_insn_queue_index const.
11862 * final.c (length_unit_log): Declare const.
11863 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11865 2006-01-22 Zack Weinberg <zackw@panix.com>
11867 * genautomata.c: Include vec.h, not varray.h.
11868 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11869 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11870 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11871 VEC_* macros operating on appropriately typed vectors, or to
11872 malloced arrays when the size is known in advance. Const-ify
11873 many char* variables and function arguments. No functional changes.
11874 * Makefile.in (build/varray.o): Delete rule.
11875 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11876 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11878 2006-01-22 Zack Weinberg <zackw@panix.com>
11880 * gensupport.c: Define get_insn_name and record_insn_name here.
11881 (read_md_rtx): Call record_insn_name as appropriate.
11882 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11883 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11884 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11885 record_insn_name.
11886 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11887 (BUILD_VARRAY): Delete.
11888 (genprognormal): Rename genprogmd. Fold in all programs from
11889 genprognoprint; also attrtab.
11890 (build/genattrtab): Just mention genautomata.o and varray.o.
11891 Reorganize a bit, add comments to make the categories clearer.
11893 2006-01-22 Zack Weinberg <zackw@panix.com>
11895 * genconditions.c (condition_table, add_condition): Delete.
11896 (write_conditions): Don't emit n_insn_conditions nor
11897 insn_elision_unavailable. Issue the gcc version #ifdef here,
11898 inside the table, with no #else clause ...
11899 (write_header): ...not here.
11900 (write_writer): New function.
11901 (main): Don't initialize condition_table. Use add_c_test.
11902 Call write_writer.
11903 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11904 files on the command line.
11905 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11906 Return -1 if there is no entry in the table, don't abort.
11907 (add_c_test, traverse_c_tests): New functions.
11908 * gensupport.h (insn_elision_unavailable, insn_conditions)
11909 (n_insn_conditions): Delete declarations.
11910 (add_c_test, traverse_c_tests): Declare.
11911 * read-rtl.c: Include gensupport.h.
11912 (read_conditions): New function.
11913 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11914 (read_rtx_1): If we get EOF when we were looking for an initial
11915 open paren, return 0. Call read_conditions when appropriate.
11916 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11917 dummy-conditions.o. Eliminate references to insn-conditions.o,
11918 or change them to build/gencondmd.o, as appropriate. Remove
11919 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11920 from $(simple_generated_c). For all files remaining in those
11921 two lists, add insn-conditions.md to the generator command line.
11922 Give insn-constants.h/s-constants their own rules. Add rules
11923 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11924 (build/read-rtl.o): Depend on gensupport.h.
11925 (genprognormal): Include preds.
11926 (genprogearly): Rename genprognoprint; only difference is now that
11927 they don't link with $(BUILD_PRINT).
11928 * dummy-conditions.c: Delete.
11930 2006-01-22 Zack Weinberg <zackw@panix.com>
11932 * genextract.c: Don't include insn-config.h. Do include vec.h.
11933 Declare vectors of int, char, and locstr.
11934 (locstr): New typedef.
11935 (struct extraction): Make all array fields into bare pointers.
11936 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11937 (insn_code_number): Delete.
11938 (accum_extract): New struct.
11939 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11940 (gen_insn): Take insn_code_number as an argument. Use an
11941 accum_extract structure instead of loading data directly into
11942 a struct extraction, and having to know how big it might get.
11943 (walk_rtx): Operate entirely on an accum_extract structure.
11944 (print_path): Avoid unnecessary use of printf.
11945 (print_header): New function, split out of main. Distinguish
11946 more carefully between an unrecognizable insn and an insn that
11947 has the code number of a define_expand.
11948 (main): Pass insn_code_number to gen_insn. Call print_header
11949 only after parsing. Avoid unnecessary use of printf.
11950 * Makefile.in (build/vec.o): New rule.
11951 (build/genextract): Depend on build/vec.o.
11952 (build/genextract.o): Don't depend on insn-config.h.
11954 2006-01-22 Zack Weinberg <zackw@panix.com>
11956 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11957 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11958 practical. Eliminate per-generator-program link rules.
11960 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11962 PR middle-end/24437
11963 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11964 with a call expr to ...
11965 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11967 2006-01-23 Richard Guenther <rguenther@suse.de>
11969 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11970 before make_edge with conditional EDGE_TRUE_VALUE.
11972 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11973 Jan Hubicka <jh@suse.cz>
11974 Richard Guenther <rguenther@suse.de>
11976 PR rtl-optimization/25654
11977 * cfgexpand.c (aggregate_contains_union_type): New function.
11978 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11979 for structure variables that contain a union type.
11981 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11983 * gengtype.c (new_structure): Return the structure.
11984 (create_option): Add an extra "next" argument.
11985 (create_field): New function.
11986 (adjust_field_rtx_def): Use create_option and create_field.
11987 Remove a now-unnecessary call to find_structure.
11988 (adjust_field_tree_def): Likewise.
11989 (note_yacc_type): Remove an unnecessary call to find_structure.
11990 * gengtype.h (new_structure): Return the structure.
11991 (create_option): Add an extra argument.
11992 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11993 (option): Adjust calls to create_option.
11995 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11997 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11999 2006-01-22 Paul Brook <paul@codesourcery.com>
12000 Peter Barada <peter@the-baradas.com>
12002 * config/m68k/m68k.md: Add Coldfire FPU support.
12003 Define FP mode macro and associated attributes.
12004 Use it for float mode patterns.
12005 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12006 (LIBCALL_VALUE): Use m68k_libcall_value.
12007 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12008 (m68k_function_value): Ditto.
12009 (emit_move_sequence): Ditto.
12010 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12011 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12012 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12013 (MULTILIB_EXCEPTIONS): Ditto.
12014 * config/m68k/m68k.opt: Add mcfv4e.
12015 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12016 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12017 (m68k_output_function_prologue): Save ColdFire FPU registers.
12018 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12019 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12020 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12021 ColdFire FPU registers.
12022 (m68k_libcall_value, m68k_function_value): New functions.
12023 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12024 (LIBCALL_VALUE): Use m68k_libcall_value.
12025 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12026 (MASK_COLDFIRE): Add MASK_CFV4E.
12027 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12028 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12029 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12030 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12031 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12032 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12033 * doc/invoke.tex: Document -mcfv4e on m68k.
12035 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12037 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12038 URL.
12040 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12042 PR c++/16190
12043 * c-opts.c (c_common_handle_option): Don't include
12044 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12045 * doc/invoke.texi (C++ Dialect Options): Document that
12046 -Wnon-virtual-dtor is no longer included in -Wall.
12048 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12050 * gcov.c (print_version), gcov-dump.c (print_version),
12051 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12052 dates.
12054 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12056 * df-scan.c (problem_SCAN): Added NULL reset function.
12057 (df_scan_reset_blocks): Added code to call reset block function
12058 (df_bb_refs_delete) Fixed comment.
12059 (df_insn_refs_delete): Made tolerant of deleting non existent info
12060 for dataflow problems that need to be reset.
12061 * df-core.c (df_set_blocks): Ditto.
12062 * df.h (struct df_problem): Added reset_fun.
12063 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12064 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12065 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12066 functions to clear out all references to def-use or use-def chains.
12068 2006-01-21 Ben Elliston <bje@au.ibm.com>
12070 * varasm.c (assemble_real): Initialise data array.
12072 2006-01-20 Paul Brook <paul@codesourcery.com>
12074 Merge from csl-arm-branch.
12075 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12076 * config/arm/arm.md (movdi): Force operands[1] to a register
12077 if we have a non-register source.
12078 (*arm_movdi, *movdf_soft_insn): Require that one of the
12079 operands be a register.
12080 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12081 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12083 2006-01-20 DJ Delorie <dj@redhat.com>
12085 * varasm.c (initializer_constant_valid_p): Allow pointers
12086 initialized from integer constants of lesser precision.
12087 (output_constant): Allow non-int-sized pointer modes to be
12088 initialized from integer constants.
12090 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12092 PR libstdc++/25524
12093 * cppdefault.h (struct default_include): Add multilib flag.
12094 * cppdefault.c (cpp_include_defaults): Set it.
12095 * c.opt (-imultilib): New option.
12096 * c-opts.c (imultilib): New.
12097 (c_common_handle_option): Handle -imultilib.
12098 (c_common_post_options): Likewise.
12099 * c-incpath.c (add_standard_paths, register_include_chains):
12100 Likewise.
12101 * c-incpath.h (register_include_chains): Add extra parameter.
12102 * gcc.c (do_spec_1): Generate -imultilib option.
12103 (The Specs Language): Update %I description.
12104 (process_command): Update copyright notice.
12105 * doc/cppopts.texi (-imultilib): Document.
12106 * doc/invoke.texi (-imultilib): Include in option summary.
12107 (%I): Update specs documentation.
12109 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12111 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12113 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12115 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12116 label numbers.
12118 2006-01-20 Richard Guenther <rguenther@suse.de>
12119 Steven Bosscher <stevenb.gcc@gmail.com>
12121 PR rtl-optimization/24626
12122 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12123 EDGE_TRUE_VALUE if in RTL mode.
12125 Revert
12126 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12127 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12129 2006-01-20 Dirk Mueller <dmueller@suse.com>
12131 PR c++/5520
12132 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12133 instead of a special NOP marker.
12134 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12135 NOP marker handling.
12136 * c-common.h (empty_body_warning): Add forward declaration.
12137 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12138 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12140 2006-01-20 Paul Brook <paul@codesourcery.com>
12142 * Makefile.in (lang_checks): Keep going if mkdir fails.
12144 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12146 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12147 be able to clean out basic block when not necessary.
12148 (df_scan_free): Fixed to properly delete information if df is
12149 unused before calling df_finish.
12150 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12151 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12152 or comment typos.
12153 (df_bb_refs_delete): New function.
12154 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12155 * df-core.c (df_set_blocks): Added code to properly clean out
12156 unused blocks if they are not part of the blocks to consider.
12157 Added additional null check.
12158 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12159 be able to clean out basic block when not necessary
12160 * df.h (df_free_bb_function): Ditto.
12161 (df_bb_refs_delete): New function.
12162 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12163 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12164 basic block parameter to be able to clean out basic block when not
12165 necessary.
12166 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12167 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12168 Fixed to properly delete information if df is unused before
12169 calling df_finish.
12171 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12173 PR rtl-optimization/25799
12174 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12175 Corrected confluence operator to remove bits from op2 before oring
12176 with op1 rather than removing bits from op1.
12177 (df_ru_transfer_function): Corrected test on wrong bitmap which
12178 caused infinite loop. Both of these problems were introduced in
12179 the dataflow rewrite.
12181 2006-01-19 DJ Delorie <dj@redhat.com>
12183 * reload1.c (find_reload_regs): Note the details of reload
12184 failures in the dump file.
12185 (spill_failure): Likewise.
12187 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12189 * loop-iv.c: Include df.h and hashtab.h.
12190 (enum iv_grd_result): New enum.
12191 (DF_REF_IV, DF_REF_IV_SET): New macros.
12192 (struct biv_entry): New.
12193 (df, bivs): New global variables.
12194 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12195 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12196 Removed.
12197 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12198 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12199 analyzed_for_bivness_p, record_biv): New functions.
12200 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12201 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12202 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12203 UD chains.
12204 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12205 analysed.
12206 (iv_number_of_iterations): Use new interface to iv analysis.
12207 * loop-unroll.c: Do not include varray.h.
12208 (analyze_iv_to_split_insn): Use new interface to iv
12209 analysis.
12210 * loop-unswitch.c (may_unswitch_on): Ditto.
12211 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12212 allocated.
12213 (df_bb_modify): Realloc tables to the new index.
12214 (df_find_use): New function.
12215 * df.h (df_find_use): Declare.
12216 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12217 outmode.
12218 * cfgloop.h (struct rtx_iv): Remove analysed field.
12219 (iv_get_reaching_def): Removed.
12220 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12221 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12222 (loop-iv.o): Add df.h and hashtab.h dependency.
12223 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12225 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12227 PR target/25668
12228 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12229 Double TFmode.
12230 (__floatundisf, __floatundidf): Likewise.
12231 * libgcc2.h (IS_IBM_EXTENDED): Define.
12233 2006-01-19 DJ Delorie <dj@redhat.com>
12235 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12237 2006-01-19 Paul Brook <paul@codesourcery.com>
12239 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12240 as nothrow when unwinding tables are disabled.
12242 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12244 PR testsuite/25171
12245 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12246 of bit-field" when in system header.
12248 2006-01-19 DJ Delorie <dj@redhat.com>
12250 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12251 the 16 bit shift limit of the m16c.
12253 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12255 PR target/22099
12256 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12257 * config/i386/i386.c (output_set_got): Output the label if we have one
12258 for the TARGET_DEEP_BRANCH_PREDICTION case.
12260 2006-01-19 Jan Hubicka <jh@suse.cz>
12261 H.J. Lu <hongjiu.lu@intel.com>
12262 Evandro Menezes <evandro.menezes@amd.com>
12264 * invoke.texi (generic): Document
12265 (i686) Update.
12266 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12267 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12268 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12269 (x86_use_incdec, x86_pad_returns): New variables
12270 (TARGET_CPU_DEFAULT_generic): New constant
12271 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12272 (enum processor_type): Add generic32 and generic64.
12273 * i386.md (cpu attribute): Add generic32/generic64
12274 (movhi splitter): Behave sanely when both partial_reg_dependency and
12275 partial_reg_stall are set.
12276 (K8 splitters): Enable for generic as well.
12277 * predicates.md (incdec_operand): Use TARGET_INCDEC
12278 (aligned_operand): Avoid memory mismatch stalls.
12279 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12280 * ppro.md: Enable for generic32
12281 * i386.c (generic64_cost, generic32_cost): New.
12282 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12283 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12284 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12285 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12286 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12287 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12288 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12289 x86_accumulate_outgoing_args, x86_prologue_using_move,
12290 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12291 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12292 Enable for generic.
12293 (x86_use_incdec, x86_pad_returns): New.
12294 (override_options): Add generic32 and generic64, translate "generic"
12295 to generic32/generic64 and "i686" to "generic32", refuse
12296 "generic32"/"generic64" as arch target.
12297 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12298 (ix86_reorg): Honor PAD_RETURNS.
12300 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12302 * tree-pretty-print.c (dump_generic_node): Handle
12303 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12304 * cgraph.c (cgraph_expand_queue): Rename from
12305 cgraph_analyze_queue. Update all users.
12306 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12307 cgraph_expand_queue.
12308 (cgraph_expand_all_functions): Likewise.
12309 (cgraph_finalize_pending_functions): Remove. Update callers.
12311 * tree.h (OMP_DIRECTIVE_P): Define.
12312 (OMP_PARALLEL_FN): Define.
12313 (OMP_PARALLEL_DATA_ARG): Define.
12314 (OMP_SECTIONS_SECTIONS): Define.
12315 * tree-pass.h (pass_expand_omp): Declare.
12316 * omp-low.c (struct omp_region): Declare.
12317 (struct omp_context): Remove fields 'parallel_type',
12318 'parallel_start_ix' and 'parallel_start_additional_args'.
12319 Update all users.
12320 (struct omp_for_data): Rename from struct expand_omp_for_data.
12321 (omp_regions): New static variable.
12322 (root_omp_region): New static variable.
12323 (find_omp_clause): Make static.
12324 (is_in_combined_parallel_ctx): Remove.
12325 (is_combined_parallel): New.
12326 (extract_omp_for_data): Move earlier in the file.
12327 (workshare_safe_to_combine_p): New.
12328 (get_ws_args_for): New.
12329 (determine_parallel_type): Move earlier in the file.
12330 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12331 child function.
12332 (omp_copy_decl): Likewise.
12333 (create_omp_child_function): Likewise.
12334 (lookup_omp_region): New.
12335 (dump_omp_region): New.
12336 (debug_omp_region): New.
12337 (debug_all_omp_regions): New.
12338 (new_omp_region): New.
12339 (scan_omp_parallel): If parallel_nesting_level > 1, the
12340 directive is nested within another parallel directive.
12341 Set OMP_PARALLEL_FN.
12342 (scan_omp_for): Do not try to handle combined parallel+for
12343 cases.
12344 Remove FIXME comment.
12345 (scan_omp_nested): Remove.
12346 (scan_omp_1): Do not call scan_omp_nested when
12347 parallel_nesting_level is > 1.
12348 Do not change the DECL_CONTEXT of local variables found.
12349 (lookup_decl_in_outer_ctx): New.
12350 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12351 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12352 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12353 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12354 If CTX is nested, lookup VAR in the outer context when
12355 building copy assignment.
12356 (lower_send_clauses): Rename from expand_send_clauses.
12357 If CTX is nested, lookup VAR in the outer context when
12358 building copy assignments.
12359 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12360 If CTX is nested, lookup VAR in the outer context when
12361 building copy assignments.
12362 (expand_parallel_call): Rename from build_parallel_call.
12363 Handle combined parallel+workshare cases.
12364 Re-implement to emit code into the CFG.
12365 (list2chain): New.
12366 (expand_omp_parallel): Re-implement to emit code into the CFG.
12367 Call move_sese_region_to_fn to outline the sub-graph
12368 containing the parallel region.
12369 (expand_omp_for_1): Remove.
12370 (expand_omp_for_generic): Re-implement to emit code into the
12371 CFG.
12372 (expand_omp_for_static_nochunk): Likewise.
12373 (expand_omp_for_static_chunk): Likewise.
12374 (expand_omp_for): Likewise.
12375 (expand_omp_sections): Likewise.
12376 (remove_exit_barriers): New.
12377 (expand_omp_synch): New.
12378 (expand_omp): New.
12379 (build_omp_regions_1): New.
12380 (build_omp_regions): New.
12381 (execute_expand_omp): New.
12382 (gate_expand_omp): New.
12383 (pass_expand_omp): Define.
12384 (lower_omp_sections): Rename from expand_omp_sections.
12385 Set OMP_SECTIONS_SECTIONS.
12386 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12387 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12388 (lower_omp_single): Rename from expand_omp_simple.
12389 (lower_omp_master): Rename from expand_omp_master.
12390 (lower_omp_ordered): Rename from expand_omp_ordered.
12391 (lower_omp_critical): Rename from expand_omp_critical.
12392 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12393 (lower_omp_for): Re-implement.
12394 (lower_omp_parallel): Re-implement.
12395 (lower_regimplify): Rename from expand_regimplify.
12396 (lower_omp_1): Rename from expand_omp_1.
12397 If there are syntax errors in the program, replace every
12398 OpenMP directive with NOP.
12399 Call lower_omp_* instead of expand_omp_*.
12400 (lower_omp): Rename from expand_omp.
12402 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12403 * tree-gimple.h (enum omp_parallel_type): Remove.
12404 (gimple_boolify): Declare extern.
12405 (find_omp_clause, determine_parallel_type): Remove.
12407 * gimple-low.c (lower_omp_directive): New.
12408 (lower_stmt): Call it.
12409 (record_vars_into): Move from ...
12410 (record_vars): ... here.
12411 Call record_vars_into with current_function_decl.
12413 * gimplify.c (struct gimplify_ctx): Remove fields
12414 combined_pre_p and combined_ctxp. Update users.
12415 (get_formal_tmp_var): Add documentation.
12416 (gimple_boolify): Make extern.
12417 (gimplify_expr_in_ctx): Remove. Update callers.
12418 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12419 will always be a BIND_EXPR.
12420 (gimplify_expr): Handle OMP_RETURN_EXPR.
12421 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12422 (OMP_PARALLEL): Add 3 operands.
12423 (OMP_SECTIONS): Add 1 operand.
12424 (OMP_RETURN_EXPR): Define.
12426 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12427 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12428 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12429 creating a circular free list.
12430 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12432 * tree-flow.h (move_sese_region_to_fn): Declare.
12433 (record_vars_into): Declare.
12434 * tree-cfg.c (make_omp_sections_edges): New.
12435 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12436 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12437 OMP_SECTIONS and OMP_SECTION.
12438 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12439 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12440 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12441 (gather_blocks_in_sese_region): New.
12442 (struct move_stmt_d): Declare.
12443 (move_stmt_r): New.
12444 (move_block_to_fn): New.
12445 (move_sese_region_to_fn): New.
12447 * passes.c (init_optimization_passes): Schedule
12448 pass_expand_omp after pass_init_datastructures.
12450 * tree-ssa-operands.c (get_expr_operands): Handle
12451 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12452 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12454 2006-01-19 Jeff Law <law@redhat.com>
12456 * tree-vrp.c (extract_range_from_assert): Refine the result range
12457 if the variable referenced by the ASSERT_EXPR has a range and
12458 either the tentative result range or the previous range is a
12459 VR_ANTI_RANGE.
12461 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12463 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12465 2006-01-19 Jan Hubicka <jh@suse.cz>
12467 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12469 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12471 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12472 (expand_compound_operation, expand_field_assignment): Fail if the
12473 bit lengths of an extract operation are out of range.
12474 (make_extraction): Compute wanted_inner_mode based on the position
12475 and length of the extraction. Make it extraction_mode for non-constant
12476 positions, and do not modify offset in that case. When generating a
12477 new MEM, use a mode that can hold the extraction while keeping correct
12478 alignment. Remove code that supported MEMs wrapped by USEs.
12479 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12481 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12483 * config/s390/s390.md ("Y", "y"): New mode attribute.
12484 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12485 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12486 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12487 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12488 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12489 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12490 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12491 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12492 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12493 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12494 "addsi3", "subsi3"): Insn patterns removed.
12495 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12496 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12497 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12498 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12499 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12500 "*sub<mode>3_cconly2"): New insn patterns.
12501 ("addsi3", "subsi3"): New expanders.
12503 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12505 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12506 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12507 existing STMT_VINFO_VECTYPE if available.
12508 (vect_mark_relevant): Add special handling for stmts that are
12509 marked as STMT_VINFO_IN_PATTERN_P.
12510 (vect_analyze_loop): Call vect_pattern_recog.
12511 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12512 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12513 stmt_info.
12514 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12515 (vect_recog_func_ptr): New function-pointer type.
12516 * tree-vect-patterns.c: New file.
12517 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12518 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12519 (vect_pattern_recog_1): New functions.
12520 (vect_pattern_recog_funcs): New array of function pointers.
12522 * tree-vectorizer.h (ternary_op): New enum value.
12523 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12524 declaration. Revised documentation. Removed redundant dump prints.
12525 Removed redundant argument. Added support for reduction patterns.
12526 (vectorizable_reduction): Added support for reduction patterns.
12527 (vect_transform_stmt): Added support for patterns.
12529 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12530 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12531 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12532 (expand_widen_pattern_expr): New function.
12533 (init_optabs): Initialize new optabs udot_prod_optab,
12534 sdot_prod_optab.
12535 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12536 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12537 (expand_widen_pattern_expr): New function declaration.
12538 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12539 tree-codes.
12540 * tree-inline.c (estimate_num_insns_1): Added cases for new
12541 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12542 * tree-pretty-print.c (dump_generic_node): Likewise.
12543 (op_prio): Likewise.
12544 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12545 * tree-ssa-operands.c (get_expr_operands): Added case for
12546 DOT_PROD_EXPR.
12547 * tree-vect-patterns.c (widened_name_p): New function.
12548 (vect_recog_dot_prod_pattern): Added function implementation.
12549 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12550 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12551 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12552 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12554 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12555 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12556 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12557 (init_optabs): Initialize new optabs widen_ssum_optab,
12558 widen_usum_optab.
12559 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12560 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12561 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12562 use instead of type of def.
12563 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12564 function implementation.
12565 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12566 widen_ssumv8hi): New.
12568 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12569 patterns.
12571 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12573 PR c/25805
12574 * c-decl.c (add_flexible_array_elts_to_size): New function.
12575 (finish_decl): Use it.
12577 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12579 * diagnostic.h: Include options.h.
12580 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12581 dependancies for diagnostic.h.
12582 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12584 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12586 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12587 (ssa_ro_call_cache_valid): Ditto.
12588 * tree-ssa-alias.c (sort_tags_by_id): New function.
12589 (init_transitive_clobber_worklist): Ditto.
12590 (add_to_worklist): Ditto.
12591 (mark_aliases_call_clobbered): Ditto.
12592 (compute_tag_properties): Ditto.
12593 (set_initial_properties): Ditto.
12594 (compute_call_clobbered): Ditto.
12595 (compute_may_aliases): Call compute_call_clobbered and grouping.
12596 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12597 (compute_flow_insensitive_aliasing): Grouping now happens in our
12598 caller.
12599 (setup_pointers_and_addressables): Remove clobbering related code.
12600 (add_may_alias): Ditto.
12601 (replace_may_alias): Ditto.
12602 (get_nmt_for): Ditto.
12603 (create_global_var):
12604 (is_escape_site): Return an escape_type enumeration.
12605 * tree-flow-inline.h (is_call_clobbered): Global var does not
12606 imply call clobbered.
12607 (mark_call_clobbered): Take a reason for marking this. Remove
12608 marking of globalness, and cache invalidation.
12609 (clear_call_clobbered): Remove cache invalidation code.
12610 * tree-dfa.c (dump_variable): If details is on, dump the reason
12611 for escaping.
12612 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12613 variable.
12614 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12615 (struct var_ann_d): Ditto.
12616 (enum escape_type): New.
12617 (mark_call_clobbered): Adjust prototype.
12618 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12619 are never call clobbered.
12620 Record reasons for escaping.
12621 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12622 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12623 (ssa_ro_call_cache_valid): Ditto.
12624 (clobbered_v_may_defs): Ditto.
12625 (clobbered_vuses): Ditto.
12626 (ro_call_vuses): Ditto.
12627 (clobber_stats): New.
12628 (init_ssa_operands): Zero out clobber stats.
12629 (fini_ssa_operands): Print out clobber stats.
12630 (get_call_expr_operands): Pass callee fndecl to
12631 add_call_read_ops).
12632 (add_call_clobber_ops): Remove use of cache.
12633 Add use of PURE_CONST information.
12634 (add_call_read_ops): Remove use of cache.
12635 Add use of static not_read information.
12637 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12639 Introduce TLS descriptors for i386 and x86_64.
12640 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12641 (TARGET_ANY_GNU_TLS): New macro.
12642 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12643 (struct machine_function): Add tls_descriptor_call_expanded_p.
12644 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12645 (ix86_current_function_calls_tls_descriptor): Likewise.
12646 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12647 (override_options): Introduce gnu2 tls dialect.
12648 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12649 not leaves.
12650 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12651 Likewise.
12652 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12653 (ix86_init_machine_status): Initialize new field.
12654 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12655 (ix86_tls_module_base): New.
12656 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12657 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12658 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12659 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12660 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12661 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12662 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12663 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12664 * config/i386/predicates.md (tls_modbase_operand): New.
12665 (tp_or_register_operand): New.
12667 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12669 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12670 (look_for_address_of): Ditto.
12671 (ipa_init): Walk the function decls.
12672 (static_execute): Don't set readonly on FUNCTION_DECL's.
12674 2006-01-18 Roger Sayle <roger@eyesopen.com>
12676 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12677 for shifts where the source and destination registers are different.
12679 2006-01-18 Paul Brook <paul@codesourcery.com>
12681 Merge from csl-arm-branch.
12682 2005-03-14 Julian Brown <julian@codesourcery.com>
12683 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12684 (aeabi_llsl): Likewise.
12685 (ashrdi3): Likewise.
12686 (aeabi_lasr): Likewise.
12687 (lshrdi3): Likewise.
12688 (aeabi_llsr): Likewise.
12689 2005-03-10 Julian Brown <julian@codesourcery.com>
12690 * config.gcc: Disable shared libgcc for SymbianOS.
12691 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12693 2006-01-18 DJ Delorie <dj@redhat.com>
12695 * c-pragma.c (handle_pragma_diagnostic): New.
12696 (init_pragma): Register it.
12697 * doc/extend.texi: Document it.
12699 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12700 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12701 (diagnostic_context): Add classify_diagnostic[].
12702 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12703 as errors if they're overridden to DK_WARNING.
12704 (diagnostic_initialize): Initialize classify_diagnostic[].
12705 (diagnostic_set_kind_override): New.
12706 (diagnostic_report_diagnostic): Check for kind changes.
12707 * opts.c (common_handle_option): Take lang_mask. Update callers.
12708 Handle OPT_Werror_.
12709 * common.opt (Werror=): New.
12710 * doc/invoke.texi: Document -Werror=*
12712 2006-01-18 Jeff Law <law@redhat.com>
12714 * tree-vrp.c (test_for_singularity): Correct test for new
12715 min limit. Use operand_equal_p rather than pointer equality
12716 for testing if new min/max values are equal.
12718 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12719 using range information until after propagation and folding.
12721 2006-01-18 Richard Henderson <rth@redhat.com>
12722 Aldy Hernandez <aldyh@redhat.com>
12723 Jakub Jelinek <jakub@redhat.com>
12724 Diego Novillo <dnovillo@redhat.com>
12726 * omp-low.c: New file.
12727 * c-omp.c: New file.
12729 2006-01-18 Richard Henderson <rth@redhat.com>
12730 Jakub Jelinek <jakub@redhat.com>
12731 Diego Novillo <dnovillo@redhat.com>
12733 * doc/invoke.texi: Document -fopenmp.
12734 * tree-dump.h (debug_function): Declare.
12735 * hooks.c (hook_bool_tree_bool_false): New function.
12736 (hook_tree_tree_null): Remove.
12737 (hook_tree_tree_tree_null): New.
12738 * hooks.h: Update to match.
12739 * tree-pretty-print.c (debug_tree_chain): New.
12740 (print_generic_expr): Handle TDF_CHAIN.
12741 (dump_generic_node): Handle BLOCK.
12742 Do not abort with incomplete SWITCH_EXPRs.
12743 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12744 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12745 print space after directive name.
12746 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12747 Handle OMP_MASTER and OMP_ORDERED.
12748 Handle printing of OMP_BODY just in one place, goto
12749 dump_omp_body in the rest of OMP_* nodes that have
12750 OMP_BODY.
12751 Don't handle clause nodes here. Update omp statements to
12752 use dump_omp_clauses.
12753 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12754 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12755 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12756 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12757 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12758 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12759 Adjust output for GOMP_PARALLEL.
12760 (dump_omp_clauses): New.
12761 (print_declaration): Dump DECL_VALUE_EXPR.
12762 (op_symbol_1): Split out of op_symbol.
12763 (dumping_stmts): Remove. Update all users.
12764 * cgraph.c (cgraph_analyze_queue): New.
12765 (cgraph_add_new_function): New.
12766 * cgraph.h (cgraph_analyze_queue): Declare.
12767 (cgraph_add_new_function): Declare.
12768 (cgraph_lower_function): Remove.
12769 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12770 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12771 and TYPE_P nodes in its default clause.
12772 (empty_body_p): New.
12773 (tree_range_check_failed): New.
12774 (build5_stat): New.
12775 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12776 OMP_CLAUSE_REDUCTION_MERGE,
12777 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12778 OMP_CLAUSE_PRIVATE_DEBUG,
12779 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12780 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12781 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12782 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12783 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12784 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12785 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12786 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12787 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12788 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12789 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12790 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12791 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12792 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12793 (TREE_RANGE_CHECK): New.
12794 (empty_body_p): Declare.
12795 (enum omp_clause_default_kind): New.
12796 (build_string_literal): Declare.
12797 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12798 (build5_stat, build5): Declare.
12799 * tree-pass.h (TDF_CHAIN): Define.
12800 * tree-pass.h (PROP_gimple_lomp): Define.
12801 (pass_lower_omp): Declare.
12802 * diagnostic.h (debug_tree_chain): Declare.
12803 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12804 mode_for_size.
12805 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12806 * builtins.c (build_string_literal): Make extern.
12807 * gcc.c (include_spec_function): New.
12808 (static_spec_functions): Add it.
12809 (main): Move load of libgomp.spec ...
12810 (LINK_COMMAND_SPEC): ... here.
12811 (link_gomp_spec): New.
12812 (static_specs): Include it.
12813 (LINK_COMMAND_SPEC): Add link_gomp.
12814 (GOMP_SELF_SPECS): New.
12815 (driver_self_specs): Include it.
12816 (switch_matches): Don't mark inline.
12817 (main): Load libgomp.spec.
12818 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12819 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12820 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12821 * tree-gimple.h (enum omp_parallel): Declare.
12822 (determine_parallel_type): Declare.
12823 (omp_firstprivatize_variable): Declare.
12824 (omp_reduction_init): Declare.
12825 (diagnose_omp_structured_block_errors): Declare.
12826 (struct walk_stmt_info): Add want_return_expr.
12827 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12828 (find_omp_clause): Declare.
12829 (insert_field_into_struct): Declare.
12830 (struct walk_stmt_info): Move from tree-nested.c
12831 (walk_stmts): Declare.
12832 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12833 to 200505.
12834 * cgraphunit.c (cgraph_lower_function): Make static.
12835 (cgraph_finalize_pending_functions): New.
12836 (cgraph_finalize_function): Call it.
12837 (cgraph_finalize_compilation_unit): Likewise.
12838 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12839 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12840 (BT_FN_UINT_UINT): New.
12841 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12842 DEF_FUNCTION_TYPE_VAR_4): Document.
12843 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12844 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12845 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12846 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12847 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12848 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12849 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12850 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12851 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12852 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12853 into separate files.
12854 (DEF_GOMP_BUILTIN): New.
12855 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12856 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12857 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12858 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12859 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12860 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12861 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12862 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12863 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12864 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12865 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12866 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12867 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12868 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12869 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12870 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12871 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12872 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12873 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12874 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12875 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12876 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12877 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12878 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12879 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12880 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12881 * sync-builtins.def: New file, moved from builtins.def.
12882 * omp-builtins.def: New file, moved from builtins.def.
12883 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12884 * gimple-low.c (lower_function_body): Clear data.
12885 (lower_stmt): Do not handle COMPOUND_EXPR.
12886 Remove call to print_node_brief.
12887 * c-tree.h (c_finish_omp_clauses): New prototype.
12888 (C_DECL_THREADPRIVATE_P): Define.
12889 (lookup_name_no_remap, c_omp_remap_private): Remove
12890 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12891 (check_for_loop_decls): Update decl.
12892 (lookup_name_no_remap, c_omp_remap_private): Declare.
12893 (build_indirect_ref, build_modify_expr, pushdecl,
12894 pushdecl_top_level): Move to c-common.h.
12895 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12896 before the switch, but just in the 2 places that need it.
12897 * c-decl.c (diagnose_mismatched_decls): Do not check for
12898 mismatched thread-local attributes when OLDDECL is marked
12899 threadprivate and NEWDECL has no thread-local attributes.
12900 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12901 (c_gimple_diagnostics_recursively): Rename from
12902 c_warn_unused_result_recursively. Invoke
12903 diagnose_omp_structured_block_errors.
12904 (check_for_loop_decls): Return a singular decl found.
12905 * langhooks.c (lhd_omp_predetermined_sharing): Return
12906 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12907 (lhd_omp_firstprivatize_type_sizes): New.
12908 (lhd_omp_assignment): New.
12909 (lhd_omp_predetermined_sharing): New.
12910 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12911 (struct lang_hooks_for_types): Add
12912 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12913 omp_predetermined_sharing, omp_disregard_value_expr,
12914 omp_private_debug_clause, omp_clause_default_ctor,
12915 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12916 (c_finish_omp_clauses): New.
12917 (c_finish_bc_stmt): Diagnose break within omp for.
12918 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12919 (build_unary_op): Return error_mark after reporting
12920 a readonly_error.
12921 (build_modify_expr): Likewise.
12922 * gimplify.c: Include optabs.h and pointer-set.h.
12923 (enum gimplify_omp_var_data): Declare.
12924 (struct gimplify_omp_ctx): Declare.
12925 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12926 and combined_ctxp.
12927 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12928 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12929 (splay_tree_compare_decl_uid): New.
12930 (new_omp_context): New.
12931 (delete_omp_context): New.
12932 (gimple_add_tmp_var): Call omp_add_variable.
12933 (gimplify_bind_expr): Likewise.
12934 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12935 true, disregard DECL_VALUE_EXPR on the decl if any.
12936 (gimplify_expr_in_ctx): New.
12937 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12938 omp_add_variable, omp_notice_variable, omp_is_private
12939 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12940 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12941 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12942 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12943 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12944 gimplify_omp_atomic): New.
12945 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12946 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12947 OMP_CRITICAL and OMP_ATOMIC.
12948 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12949 * c-pragma.h (enum pragma_kind): Add
12950 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12951 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12952 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12953 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12954 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12955 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12956 PRAGMA_OMP_THREADPRIVATE.
12957 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12958 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12959 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12960 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12961 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12962 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12963 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12964 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12965 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12966 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12967 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12968 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12969 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12970 OpenMP directives.
12971 (struct nesting_info): Add field_map,
12972 suppress_expansion, debug_var_chain.
12973 (create_nesting_tree): Initialize them.
12974 (lookup_field_for_decl): Use field_map.
12975 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12976 (convert_local_omp_clauses): New.
12977 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12978 (walk_body): Split out of walk_function.
12979 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12980 (convert_nonlocal_reference): Handle omp statements.
12981 (convert_local_reference): Likewise.
12982 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12983 (unnest_nesting_tree): New.
12984 (lower_nested_functions): Call it.
12985 (insert_field_into_struct): Make extern.
12986 (struct walk_stmt_info): Move to tree-gimple.h.
12987 (walk_stmts): Make extern.
12988 * omp-builtins.def: New file.
12989 * tree-iterator.c (expr_only): Clarify comment.
12990 * c-common.h (pushdecl_top_level, pushdecl,
12991 build_modify_expr, build_indirect_ref,
12992 c_finish_omp_master, c_finish_omp_critical,
12993 c_finish_omp_ordered, c_finish_omp_barrier,
12994 c_finish_omp_atomic, c_finish_omp_flush,
12995 c_finish_omp_for, c_split_parallel_clauses,
12996 omp_clause_default_kind, c_omp_sharing_predetermined,
12997 c_omp_remap_decl): Declare.
12998 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12999 (OBJS-common): Add omp-low.o.
13000 (c-omp.o, omp-low.o): Add.
13001 (gimplify.o): Add dependency on $(OPTABS_H).
13002 (GTFILES): Add omp-low.c.
13003 (gt-stringpool.h): Add.
13004 * tree-cfg.c (set_bb_for_stmt): Do not update the
13005 block-to-labels map if we are currently expanding to RTL.
13006 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13007 checks.
13008 Handle IDENTIFIER_NODE.
13009 (tree_verify_flow_info): Do not ICE when emitting error
13010 messages about invalid labels.
13011 (dump_function_to_file): Reset CFUN before emitting the body
13012 of the function.
13013 (debug_function): New.
13014 * passes.c (init_optimization_passes): Schedule
13015 pass_lower_omp.
13016 * langhooks-def.h (lhd_omp_predetermined_sharing,
13017 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13018 Declare.
13019 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13020 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13021 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13022 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13023 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13024 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13025 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13026 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13027 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13028 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13029 (LANG_HOOK_DECLS): Use them.
13031 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13032 Richard Henderson <rth@redhat.com>
13033 Jakub Jelinek <jakub@redhat.com>
13034 Diego Novillo <dnovillo@redhat.com>
13036 * c-parser.c (pragma_omp_clause): Define.
13037 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13038 (c_parser_compound_statement): Likewise.
13039 (c_parser_statement): Likewise.
13040 (c_parser_pragma): Handle omp pragmas.
13041 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13042 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13043 (c_parser_omp_clause_name, check_no_duplicate_clause,
13044 c_parser_omp_variable_list,
13045 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13046 c_parser_omp_clause_copyprivate,
13047 c_parser_omp_clause_default,
13048 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13049 c_parser_omp_clause_lastprivate,
13050 c_parser_omp_clause_nowait,
13051 c_parser_omp_clause_num_threads,
13052 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13053 c_parser_omp_clause_reduction,
13054 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13055 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13056 c_parser_omp_atomic, c_parser_omp_barrier,
13057 c_parser_omp_critical, c_parser_omp_flush,
13058 c_parser_omp_for_loop, c_parser_omp_for,
13059 c_parser_omp_master, c_parser_omp_ordered,
13060 c_parser_omp_sections_scope, c_parser_omp_sections,
13061 c_parser_omp_parallel, c_parser_omp_single,
13062 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13063 * c-pragma.c (init_pragma): Do omp pragma registration here.
13064 * c.opt (fopenmp): New flag.
13066 2006-01-18 Eric Christopher <echristo@apple.com>
13068 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13069 * config/darwin.h (GOMP_SELF_SPECS): Define.
13071 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13073 * rtl.h: Remove the prototype for reg_alloc.
13075 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13077 PR target/25731
13078 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13079 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13080 sjlj and dwarf2 exception handling.
13081 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13082 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13083 * pa/pa.c (function_value): Treat complex and vector types as
13084 aggregates.
13085 (function_arg): Likewise. Only pass scalar floats in the floating
13086 point argument registers.
13087 * pa/t-slibgcc-dwarf-ver: New file.
13088 * pa/t-slibgcc-sjlj-ver: New file.
13089 * pa/t-slibgcc-elf-ver: Delete file.
13091 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13093 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13094 unlikely_test_section_p test.
13096 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13098 * mode-switching.c (optimize_mode_switching): Make it static.
13099 * basic-block.h: Remove the prototype for
13100 optimize_mode_switching.
13102 * modulo-sched.c (sms_schedule): Make it static.
13103 * rtl.h: Remove the prototype for sms_schedule.
13105 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13106 * rtl.h: Remove the prototype for gcse_after_reload_main.
13108 * reg-stack.c (reg_to_stack): Make it static.
13109 * rtl.h: Remove the prototype for reg_to_stack.
13111 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13112 Make them static.
13113 * rtl.h: Remove the prototypes for regrename_optimize and
13114 copyprop_hardreg_forward.
13116 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13118 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13119 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13120 Test against the appropriate null constant for the mode.
13121 If 'fixup_overlap' is true, swap the operands if they overlap.
13122 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13123 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13124 alpha_split_tmode_pair and adjust for above change.
13125 * config/alpha/alpha.md (movtf_internal): Adjust call to
13126 alpha_split_tfmode_pair and rely on it to swap the operands.
13127 (movti_internal): New insn and post-reload splitter.
13128 (movti): New expander.
13130 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13132 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13133 operands.
13135 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13137 * rtlanal.c (global_reg_mentioned_p_1,
13138 global_reg_mentioned_p): Remove.
13139 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13141 * flow.c (initialize_uninitialized_subregs): Make it static.
13142 * rtl.h: Remove the prototype for
13143 initialize_uninitialized_subregs.
13145 * function.c (instantiate_virtual_regs): Make it static.
13146 * function.h: Remove the prototype for
13147 instantiate_virtual_regs.
13149 * regmove.c (regmove_optimize, combine_stack_adjustments):
13150 Make them static.
13151 * rtl.h: Remove the prototypes for regmove_optimize and
13152 combine_stack_adjustments.
13154 2006-01-17 Roger Sayle <roger@eyesopen.com>
13156 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13157 (size_cost): Encode costs in bytes so that a reg-reg addition is
13158 equivalent to COSTS_N_INSNS(1).
13159 (override_options): Use the size_cost.branch_cost as the default
13160 ix86_branch_cost when optimizing for size.
13162 2006-01-18 Ben Elliston <bje@au.ibm.com>
13164 * Makefile.in (D32PBIT_FUNCS): New.
13165 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13166 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13167 D64PBIT_FUNCS and D128PBIT_FUNCS.
13168 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13169 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13170 D128PBIT are set.
13171 (decnumber_dep): Define.
13172 * doc/libgcc.texi (Decimal float library routines): New node.
13173 * config/dfp-bit.h, config/dfp-bit.c: New files.
13175 2006-01-18 Ben Elliston <bje@au.ibm.com>
13177 * expr.c (emit_move_change_mode): Always adjust addresses, not
13178 just during reload. Copy replacements only during reload.
13179 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13180 emit_move_via_integer.
13182 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13184 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13185 instead of $(srcdir) and ${srcdir}.
13187 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13189 PR target/592
13190 PR middle-end/11135
13191 * arm.h (struct machine_function): Add pic_reg.
13192 * arm.c (arm_pic_register): Make unsigned.
13193 (arm_override_options): Only set arm_pic_register if
13194 TARGET_SINGLE_PIC_BASE.
13195 (use_return_insn): Only test for a pic register if it is fixed.
13196 (arm_compute_save_reg0_reg12_mask): Likewise.
13197 (thumb_compute_save_reg_mask): Likewise.
13198 (legitimate_pic_operand): Factor out some known invariants.
13199 (legitimize_pic_address): If we don't have a fixed pic register,
13200 then set up a pseudo in the function entry sequence. Handle the
13201 pic base being in a pseudo.
13202 (arm_load_pic_register): Handle the pic register being in a pseudo.
13203 (arm_expand_prologue): Only set up the pic register if it is fixed.
13204 (thumb_expand_prologue): Likewise.
13205 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13206 (pic_load_addr_based_insn): Likewise.
13207 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13208 fixed.
13210 2006-01-18 Ben Elliston <bje@au.ibm.com>
13212 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13213 decimal float modes for all floating point registers.
13215 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13216 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13218 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13220 PR c/25682
13221 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13222 even when the pointer is not NULL.
13224 2006-01-16 Ian Lance Taylor <ian@airs.com>
13226 * common.opt (ftoplevel-reorder): New option.
13227 * cgraph.c (cgraph_asm_nodes): New global variable.
13228 (cgraph_asm_last_node): New static variable.
13229 (cgraph_order): New global variable.
13230 (cgraph_create_node): Set new order field.
13231 (cgraph_varpool_node): Likewise.
13232 (decide_is_variable_needed): Return true if not
13233 flag_toplevel_reorder.
13234 (cgraph_add_asm_node): New function.
13235 * cgraph.h (struct cgraph_node): Add order field.
13236 (struct cgraph_varpool_node): Add order field.
13237 (struct cgraph_asm_node): Define.
13238 (cgraph_asm_nodes, cgraph_order): Declare.
13239 (cgraph_add_asm_node): Declare.
13240 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13241 function.
13242 (cgraph_varpool_assemble_pending_decls): Call it.
13243 (cgraph_output_pending_asms): New static function.
13244 (cgraph_finalize_compilation_unit): Call it.
13245 (struct cgraph_order_sort): Define.
13246 (cgraph_output_in_order): New static function.
13247 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13248 !flag_toplevel_reorder case.
13249 * c-parser.c: Include "cgraph.h".
13250 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13251 assemble_asm.
13252 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13253 than -fno-unit-at-a-time.
13254 * doc/invoke.texi (Option Summary): Mention
13255 -fno-toplevel-reorder.
13256 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13257 -funit-at-a-time documentation.
13259 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13260 Kazu Hirata <kazu@codesourcery.com>
13262 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13264 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13266 * Makefile.in (FUNCTION_H): New. Use it instead of
13267 function.h throughout the file.
13268 * function.h: Include tree.h.
13270 2006-01-17 Ben Elliston <bje@au.ibm.com>
13272 * recog.c: Separate some functions with whitespace.
13274 2006-01-16 Richard Henderson <rth@redhat.com>
13276 Merge from gomp branch:
13277 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13278 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13279 and rename from struct inline_data. Rename callee* to dst*;
13280 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13281 transform_new_cfg, transform_return_to_modify, and
13282 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13283 update_clones_p.
13284 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13285 (copy_decl_for_dup): Remove.
13286 * tree-inline.c (struct inline_data): Move to header.
13287 (insert_decl_map): Export.
13288 (remap_decl): Update for member name changes. Use copy_decl hook.
13289 Allow for replacement to be a non-decl. Remove dead code.
13290 (remap_type_1): Check for existing mapping.
13291 (remap_type): Export.
13292 (remap_decls): Update for member name changes.
13293 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13294 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13295 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13296 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13297 (tree_function_versioning, build_duplicate_type): Likewise.
13298 (copy_body_r): Likewise. Export.
13299 (copy_decl_for_dup): Split into ...
13300 (copy_decl_for_dup_finish, copy_decl_to_var,
13301 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13302 (replace_ref_tree, inlining_p): Remove.
13304 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13306 * ifcvt.c (if_convert): Make it static.
13307 * rtl.h: Remove the prototype for if_convert.
13309 * local-alloc.c (local_alloc): Make it static.
13310 * rtl.h: Remove the prototype for local_alloc.
13312 * loop.c (loop_optimize): Make it static.
13313 * cfgloop.h: Remove the prototype for loop_optimize.
13314 * rtl.h: Likewise.
13316 2006-01-16 DJ Delorie <dj@redhat.com>
13318 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13319 mems.
13321 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13323 * pa.md: Disparage copies between general and floating-point registers
13324 in 32-bit move patterns.
13326 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13328 PR testsuite/25741
13329 * Makefile.in (check-%): Depend on site.exp instead of
13330 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13331 directories.
13333 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13335 * global.c (global_alloc): Make it static.
13336 * rtl.h: Remove the prototype for global_alloc.
13338 2006-01-16 Richard Guenther <rguenther@suse.de>
13340 * tree-ssa-alias.c (struct used_part): Add write_only field.
13341 (get_or_create_used_part_for): Initialize it to true.
13342 (create_overlap_variables_for): Don't create structure variables
13343 for structures that only are written to.
13344 (find_used_portions): Handle MODIFY_EXPR to track whether a
13345 structure is only written to.
13347 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13349 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13350 static.
13351 * basic-block.h: Remove the prototype for
13352 partition_hot_cold_basic_blocks.
13354 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13356 * cppspec.c (lang_specific_spec_functions): Remove.
13357 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13358 * gcc.h (lang_specific_spec_functions): Remove.
13359 * gccspec.c (lang_specific_spec_functions): Remove.
13361 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13363 * combine.c (record_value_for_reg): Invalidate registers
13364 if INSN is null.
13365 (record_dead_and_set_regs_1): Likewise, by passing them to
13366 record_value_for_reg.
13367 (record_dead_and_set_regs): Invalidate stores made by a
13368 call. We do not combine across a call, but we still
13369 relied on equivalences.
13371 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13373 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13374 vrp_int_const_binop returning non-constant nodes.
13376 2006-01-16 Paul Brook <paul@codesourcery.com>
13378 * config/m68k/m68k.c (output_move_const_into_data_reg):
13379 Output correct mnemonic for mvz and mvs.
13381 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13383 * rtl-factoring.c: Add sequence abstraction algorithm.
13384 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13385 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13386 ABNORMAL edges.
13387 (block_has_preserve_label): New function.
13388 * common.opt: Register new pass.
13389 * Makefile.in: Ditto.
13390 * passes.c: Ditto.
13391 * timevar.def: Ditto.
13392 * tree-pass.h: Ditto.
13393 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13394 * rtl.h (make_jump_insn_raw): Add forward decl.
13395 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13397 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13398 Roger Sayle <roger@eyesopen.com>
13400 * fold-const.c (fold_minmax): New static function.
13401 (fold_binary) <MIN_EXPR>: Call it.
13402 <MAX_EXPR>: Likewise.
13403 * stor-layout.c (place_field): Use DECL_SIZE consistently
13404 in the computation of the new record size.
13406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13408 * cse.c (cse_condition_code_reg): Make it static.
13409 * rtl.h: Remove the prototype for cse_condition_code_reg.
13411 * combine.c (combine_instructions): Make it static.
13412 * rtl.h: Remove the prototype for combine_instructions.
13414 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13416 PR target/25168
13417 * tree.c (get_file_function_name_long): Concatenate the first global
13418 object name with a string derived from the input filename of the object
13419 for type "F".
13421 2006-01-16 Ben Elliston <bje@au.ibm.com>
13423 * config/i386/winnt-stubs.c: Update FSF address.
13424 * config/xtensa/ieee754-df.S: Ditto.
13425 * config/xtensa/ieee754-sf.S: Ditto.
13427 2006-01-14 Ian Lance Taylor <ian@airs.com>
13429 * ifcvt.c (noce_init_if_info): New static function, broken out of
13430 noce_process_if_block.
13431 (noce_process_if_block): Call noce_init_if_info.
13432 (check_cond_move_block): New static function.
13433 (cond_move_process_if_block): New static function.
13434 (process_if_block): Call cond_move_process_if_block.
13436 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13438 * cselib.c (hash_table): Rename to cselib_hash_table.
13439 (cselib_clear_table, discard_useless_values,
13440 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13441 cselib_init, cselib_finish): Adjust uses of hash_table.
13443 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13445 PR tree-optimization/25485
13446 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13447 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13448 is known to be false and true, respectively.
13450 2006-01-14 Richard Guenther <rguenther@suse.de>
13452 PR tree-optimization/22548
13453 PR tree-optimization/22555
13454 PR tree-optimization/22501
13455 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13456 * params.def (salias-max-array-elements): New parameter.
13457 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13458 * doc/invoke.texi (salias-max-array-elements): Document.
13459 * tree-flow-inline.h (var_can_have_subvars): We also handle
13460 arrays now.
13461 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13462 COMPONENT_REF.
13463 * tree-ssa-structalias.c (params.h): Include.
13464 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13465 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13466 (get_constraint_for): For ADDR_EXPR operating on something
13467 containing an ARRAY_REF, add all subvars to the solution.
13468 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13469 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13470 for creating MUST_DEFs.
13471 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13473 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13475 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13476 functions.
13477 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13478 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13479 number_of_iterations_le): New functions.
13480 (number_of_iterations_special): Removed.
13481 (number_of_iterations_exit): Do not use number_of_iterations_special.
13482 * tree.c (unsigned_type_for): Always return integer type.
13484 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13485 Richard Guenther <rguenther@suse.de>
13487 PR rtl-optimization/24257
13488 * gcse.c (find_moveable_store): Only consider a store movable
13489 when the SET_SRC of the insn can be assigned to a register.
13491 2006-01-14 Ian Lance Taylor <ian@airs.com>
13493 * tree.c (tree_not_class_check_failed): New function.
13494 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13495 (tree_not_class_check_failed): Declare.
13497 2006-01-13 Ian Lance Taylor <ian@airs.com>
13499 * reload1.c (do_output_reload): Add assertion rejecting a
13500 CALL_INSN.
13502 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13504 * combine.c (struct reg_stat): Add new fields truncation_label and
13505 truncated_to_mode.
13506 (record_value_for_reg): Reset truncated_to_mode.
13507 (record_truncated_value): New function.
13508 (check_promoted_subreg): Call it. Rename to check_conversions.
13509 (combine_instructions): Rename check_promoted_subreg to
13510 check_conversions.
13511 (reg_truncated_to_mode): New function.
13512 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13513 (gen_lowpart_or_truncate): New function.
13514 (force_to_mode): Use it instead of gen_lowpart.
13516 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13518 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13519 VAR is a tag, not its type tag.
13521 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13523 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13524 alternatives to match style of other entries.
13525 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13527 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13529 PR tree-optimization/25771
13530 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13531 SSA_NAMES.
13533 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13535 PR tree-opt/24365
13536 * tree-inline.c (declare_return_variable): If the return variable
13537 was marked as a non gimple complex, set the return slot variable
13538 to be a non gimple comple variable.
13540 2006-01-13 Richard Guenther <rguenther@suse.de>
13542 * builtins.c (expand_builtin_sincos): New function.
13543 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13544 do not set errno.
13545 (expand_builtin): Expand sincos using expand_builtin_sincos.
13547 2006-01-12 DJ Delorie <dj@redhat.com>
13549 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13550 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13551 so that constant shifts can be split.
13552 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13553 (m32c_valid_pointer_mode): Make static.
13554 (shift_gen_func_for): New.
13555 (m32c_prepare_shift): Use it. Split large const shifts into
13556 multiple shifts.
13557 * config/m32c/predicates.md (shiftcount_operand): Allow more
13558 general operands.
13559 (longshiftcount_operand): New.
13560 * doc/md.texi (Machine Constraints): Document In6.
13562 2006-01-13 Ben Elliston <bje@au.ibm.com>
13564 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13565 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13566 documentation.
13568 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13570 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13571 to try to avoid clobbering pieces of structures when we know
13572 something about the whole structure.
13573 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13575 2006-01-13 Ben Elliston <bje@au.ibm.com>
13577 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13578 return in memory, as this is no limitation is no longer present.
13580 2006-01-12 DJ Delorie <dj@redhat.com>
13582 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13583 mova with fb, and for fb+0 -> An.
13585 * config/m32c/mov.md (peephole2): Fix enabling logic.
13587 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13588 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13589 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13590 FINI_ARRAY_SECTION_ASM_OP): Define.
13592 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13593 variable.
13594 (m32c_legitimize_reload_address): New logic to reload FB to An.
13595 (m32c_output_reg_push): Add newline.
13596 (m32c_output_reg_pop): Likewise.
13598 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13600 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13602 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13604 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13606 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13608 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13609 match_code.
13611 2006-01-11 Ben Elliston <bje@au.ibm.com>
13613 * rtlanal.c (find_reg_note): Assert insn is not null.
13615 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13617 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13618 ifdef.
13620 2006-01-11 Jeff Law <law@redhat.com>
13622 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13623 hold edge pairs.
13624 (mark_threaded_blocks, register_jump_thread): New functions.
13625 (thread_through_all_blocks): Remove unwanted argument. No
13626 longer rely on e->aux to communicate thread target info.
13627 Call mark_threaded_blocks. Release the threaded_blocks
13628 bitmap and threaded_edges vector when complete.
13629 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13630 (threaded_blocks): Remove.
13631 (tree_ssa_dominator_optimize): Remove initialization and
13632 finalization of threaded_blocks. Simplify call to
13633 thread_through_all_blocks.
13634 (thread_across_edge): Call register_jump_thread rather than
13635 storing thread information into e->aux.
13636 (free_all_edge_infos): Simplify now that e->aux is no longer
13637 used to communicate with thread_through_all_blocks.
13638 * tree-flow.h (thread_through_all_blocks): Update prototype.
13639 (register_jump_thread): Prototype.
13641 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13643 * df-core.c (df_compact_blocks, df_bb_replace): Use
13644 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13646 2006-01-11 Richard Guenther <rguenther@suse.de>
13648 PR tree-optimization/25734
13649 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13650 stop propagation after successful propagation to the LHS.
13652 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13654 * basic-block.h (control_flow_graph): Change the type of
13655 x_basic_block_info to VEC(basic_block,gc) *.
13656 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13657 basic_block_info.
13658 (SET_BASIC_BLOCK): New.
13659 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13660 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13661 * cfgbuild.c (find_basic_blocks): Likewise.
13662 * cfglayout.c (fixup_reorder_chain): Likewise.
13663 * cfgrtl.c (create_basic_block_structure,
13664 rtl_create_basic_block): Likewise.
13665 * ifcvt.c (find_if_case_1): Likewise.
13666 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13667 Likewise.
13669 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13671 * Makefile.in: Removed rotted odf.c entry.
13673 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13675 PR target/25706
13676 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13677 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13678 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13679 output pattern modifier, not %e.
13680 * config/cris/cris.c (cris_op_str): Update comment about pattern
13681 modifier.
13682 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13683 before falling through into...
13684 <case 'E'>: Redefined from old 'e' case.
13686 2006-01-11 Jan Hubicka <jh@suse.cz>
13688 PR target/25042
13689 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13691 2006-01-11 Jan Hubicka <jh@suse.cz>
13693 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13694 * i386.c (x86_decompose_lea): Kill.
13695 (ix86_rtx_costs): Kill.
13697 2006-01-11 Jan Hubicka <jh@suse.cz>
13699 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13700 * cgraph.h (cgraph_node): Add inline_decl.
13701 (cgraph_insert_node_to_hashtable): Declare.
13702 (save_inline_function_body): Declare.
13703 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13704 clones.
13705 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13706 (cgraph_function_versioning): Update call of tree_function_versioning.
13707 (save_inline_function_body): New function.
13708 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13709 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13710 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13711 (cgraph_default_inline_p): Likewise.
13712 (cgraph_decide_inlining_incrementally): Likewise.
13713 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13714 (copy_bb): Kill saving; do updating of clones.
13715 (copy_cfg_body): Kill saving.
13716 (initialize_inlined-parameters): Likewise.
13717 (expand_call_inline): Likewise.
13718 (save_body): Kill.
13719 (tree_function_versioning): New parameter "update_clones".
13720 (inlining_p): Kill saving.
13721 * tree-inline.h (tree_function_versioning): Update prototype.
13722 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13723 saving.
13725 2006-01-11 Ian Lance Taylor <ian@airs.com>
13727 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13728 Allow undoing set of machine mode.
13729 (do_SUBST): Use enums instead of is_int.
13730 (do_SUBST_MODE): New function.
13731 (SUBST_MODE): New macro.
13732 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13733 reg and trying to replace reg_regno_rtx with a new register.
13734 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13735 (simplify_set): Use SUBST_MODE.
13736 (distribute_notes): Remove code that tried to update reg notes
13737 for regno_reg_rtx changes.
13739 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13741 PR tree-optimization/23109
13742 PR tree-optimization/23948
13743 PR tree-optimization/24123
13745 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13746 * tree-cfg.c (single_noncomplex_succ): New.
13747 * tree-flow.h (single_noncomplex_succ): Declare it.
13748 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13749 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13750 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13751 insert_bb, register_division_in, insert_reciprocals,
13752 replace_reciprocal, free_bb): New.
13753 (execute_cse_reciprocals_1): Rewritten.
13754 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13755 Do not commit any edge insertion. Always compute dominators and
13756 create the allocation pool.
13757 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13758 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13759 * targhooks.c (default_min_divistions_for_recip_mul): New.
13760 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13761 * passes.c (init_optimization_passes): Run recip after tree loop
13762 optimizations.
13763 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13765 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13766 Kenneth Zadeck <zadeck@naturalbridge.com>
13768 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13769 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13770 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13771 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13772 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13773 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13774 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13775 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13776 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13777 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13778 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13779 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13780 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13781 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13782 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13783 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13784 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13785 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13786 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13787 DF_SCAN_POST_ALLOC): New macros.
13788 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13789 df_free_bb_function, df_local_compute_function, df_init_function,
13790 df_dataflow_function, df_confluence_function_0,
13791 df_confluence_function_n, df_transfer_function,
13792 df_finalizer_function, df_free_function, df_dump_problem_function,
13793 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13794 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13795 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13796 df_urec_bb_info, ) New types.
13797 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13798 variables.
13799 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13800 df_analyze_simple_change_some_blocks,
13801 df_analyze_simple_change_one_block, df_compact_blocks,
13802 df_bb_replace, df_bb_regno_last_use_find,
13803 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13804 df_insn_regno_def_p, df_find_def, df_find_use,
13805 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13806 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13807 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13808 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13809 debug_df_chain, df_get_dependent_problem, df_chain_create,
13810 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13811 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13812 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13813 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13814 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13815 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13816 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13817 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13818 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13819 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13820 df_reorganize_refs, df_set_state, df_hard_reg_init,
13821 df_read_modify_subreg_p) New public functions.
13822 * df-core.c: The core dataflow solver and glue routines for rtl
13823 dataflow.
13824 (df_init, df_add_problem, df_set_blocks, df_finish,
13825 df_hybrid_search_forward, df_hybrid_search_backward,
13826 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13827 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13828 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13829 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13830 df_reg_defined, df_find_use, df_reg_used, df_dump,
13831 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13832 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13833 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13834 debug_df_useno, reset_df_after_reload): New functions.
13835 * df-scan.c: The scanning fuctions, once in df.c, completely
13836 rewritten so that they now fully model the functionality of
13837 register usage at the backend.
13838 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13839 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13840 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13841 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13842 df_get_artificial_defs, df_get_artificial_uses,
13843 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13844 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13845 df_refs_delete, df_reorganize_refs, df_set_state,
13846 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13847 df_def_record_1, df_defs_record, df_uses_record,
13848 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13849 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13850 df_record_exit_block_uses, df_hard_reg_init): New functions.
13852 * df-problems.c: Seven concrete dataflow problems that use the
13853 scanning in df-scan.c and are solved by the engine in df-core.c.
13854 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13855 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13856 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13857 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13858 df_ru_free_bb_info, df_ru_alloc,
13859 df_ru_bb_local_compute_process_def,
13860 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13861 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13862 df_ru_transfer_function, df_ru_free, df_ru_dump,
13863 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13864 df_rd_free_bb_info, df_rd_alloc,
13865 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13866 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13867 df_rd_transfer_function, df_rd_free, df_rd_dump,
13868 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13869 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13870 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13871 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13872 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13873 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13874 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13875 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13876 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13877 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13878 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13879 df_urec_mark_reg_use_for_earlyclobber,
13880 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13881 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13882 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13883 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13884 df_chain_create_bb_process_use, df_chain_create_bb,
13885 df_chain_finalize, df_chain_free, df_chains_dump,
13886 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13887 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13888 df_reg_lifetime): New functions.
13889 * df.c: Deleted file.
13890 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13891 consistent with new df api.
13892 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13893 rest_of_handle_sms): Ditto.
13894 * web.c (unionfind_union, union_defs, entry_register, web_main):
13895 Ditto.
13896 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13897 invariant_expr_equal_p, find_defs, check_dependencies,
13898 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13899 free_inv_motion_data, move_loop_invariants): Ditto.
13900 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13901 Update dependencies.
13902 (odf.c): Added defective entry that was deleted later in day.
13903 * sched-deps.c (sched_analyze_1): Ditto.
13905 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13907 * tree-ssa-operands.c (get_expr_operands): Record addressable
13908 variables directly. Do not call add_stmt_operands for CONST_DECLs
13909 and ARRAY_DECLs.
13910 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13911 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13913 2006-01-11 Ben Elliston <bje@au.ibm.com>
13915 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13916 function returns true in the positive case.
13918 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13920 PR target/20754
13921 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13922 for SI, DI, SF and DF modes. Add alternatives to copy between
13923 general and floating point registers to the 32-bit patterns.
13924 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13925 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13926 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13927 generating 64-bit code.
13928 * config/pa/pa.c (output_move_double): Handle copies between general
13929 and floating registers.
13931 2006-01-10 Stuart Hastings <stuart@apple.com>
13933 * config/i386/i386.md (set_got): Update.
13934 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13935 (builtin_setjmp_receiver): Mach-O support.
13936 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13937 (GOT_SYMBOL_NAME): Define.
13938 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13939 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13940 * config/i386/i386.c (override_options): Revise for Darwin.
13941 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13942 support. (darwin_x86_file_end): New. (output_set_got): Add label
13943 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13944 * config/i386/i386-protos.h (output_set_got): Likewise.
13945 * config/darwin.c (machopic_legitimize_pic_address): Update
13946 regs_ever_live[].
13948 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13950 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13951 when MODE isn't BLKmode.
13953 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13955 PR rtl-optimization/25367
13956 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13958 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13960 PR target/25718
13961 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13962 for a negative bound.
13964 2006-01-10 Richard Guenther <rguenther@suse.de>
13966 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13967 Never override with anything constraint.
13969 2006-01-10 Jan Beulich <jbeulich@novell.com>
13971 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13972 256 bits when optimize_size.
13974 2006-01-10 Jan Beulich <jbeulich@novell.com>
13976 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13977 MASK_ALIGN_DOUBLE.
13978 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13979 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13980 arguments.
13982 2006-01-10 Ben Elliston <bje@au.ibm.com>
13984 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13985 float modes.
13986 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13987 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13988 (USE_FP_FOR_ARG): Reject decimal float modes.
13989 (function_arg_advance): Likewise.
13990 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13991 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13992 point types in AltiVec vectors.
13993 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13994 (rs6000_libcall_value): Likewise.
13996 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13998 * config/xtensa/ieee754-df.S: New file.
13999 * config/xtensa/ieee754-sf.S: New file.
14000 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14001 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14002 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14004 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14006 * config/sh/predicates.md (binary_float_operator,
14007 binary_logical_operator, commutative_float_operator,
14008 equality_comparison_operator, greater_comparison_operator,
14009 less_comparison_operator, logical_operator,
14010 noncommutative_float_operator, shift_operator,
14011 symbol_ref_operand, unary_float_operator): Remove redundant
14012 conditionals.
14014 2006-01-09 Jeff Law <law@redhat.com>
14016 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14017 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14018 now unused arguments. Callers updated.
14019 (eliminate_redundant_computations): Remove now unused arguments,
14020 callers updated.
14021 (local_fold): Remove, no longer used.
14022 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14023 and moved to...
14024 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14025 (simplify_cond): New function.
14026 (forward_propagate_into_cond): Call simplify_cond.
14028 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14030 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14031 (*vec_extractv2di_1_sse): New.
14033 2006-01-09 Ben Elliston <bje@au.ibm.com>
14035 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14037 2006-01-08 Richard Guenther <rguenther@suse.de>
14039 * tree-ssa-structalias.c (get_constraint_for): Remove
14040 anyoffset argument.
14041 (get_constraint_for_component_ref): Likewise.
14042 (do_deref): Likewise.
14043 (get_constraint_for): Likewise.
14044 (do_structure_copy): Likewise.
14045 (handle_ptr_arith): Likewise.
14046 (find_func_aliases): Likewise. Remove unused need_anyoffset
14047 variable.
14049 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14050 Kaz Kojima <kkojima@gcc.gnu.org>
14052 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14053 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14054 (EXTRA_CONSTRAINT_C16): Remove.
14055 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14056 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14057 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14058 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14059 constants of SHmedia. Handle nested constant expressions of
14060 SHmedia correctly.
14061 (andcosts): Fix the costs for SHmedia constants.
14062 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14063 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14064 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14065 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14066 (movv4hi_i, movv2si_i): Likewise.
14067 (movsi_const): Adjust the second operand of ior so to match with
14068 the Csu constraint.
14069 (movdi_const, movdi_const_32bit): Likewise.
14070 (movdi_const_16bit+1): Don't sign-extend LOW.
14071 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14072 step.
14073 (*double_shori): Fix the split condition. Use GEN_INT instead
14074 of get_int_mode calls. Mask lower 16-bit of the argument of
14075 the last GEN_INT.
14076 (sym2GOTPLT): Remove.
14077 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14078 gen_rtx_UNSPEC.
14079 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14080 instead of EXTRA_CONSTRAINT_C16.
14082 2006-01-07 Ian Lance Taylor <ian@airs.com>
14083 David Edelsohn <edelsohn@gnu.org>
14085 PR rtl-optimization/25662
14086 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14087 for constant operands instead of simplify_gen_binary.
14088 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14089 after trying simplify_binary_operation
14091 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14093 * tree.c (iterative_hash_expr): Hash decls based on UID.
14095 2006-01-06 Eric Christopher <echristo@apple.com>
14097 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14098 (TARGET_UNWIND_EMIT): Fix spelling.
14099 * target.h (gcc_target): Add except_table_label.
14100 * except.c (output_function_exception_table): Use.
14101 * varasm.c (default_emit_except_table_label): New.
14102 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14103 define.
14104 (asm_out): Add here.
14105 * output.h (default_emit_except_table_label): Prototype.
14106 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14107 * config/darwin.c (darwin_emit_except_table_label): Define.
14108 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14110 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14112 PR tree-optimization/18527
14113 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14114 number_of_iterations_special, number_of_iterations_exit):
14115 Move base and step of an iv to a single structure. Add
14116 no_overflow flag, and use it in # of iterations analysis.
14117 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14118 folded_casts argument.
14119 (simple_iv): Pass base and step in a structure. Set no_overflow
14120 flag.
14121 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14122 Evaluate expensiveness of computing # of iterations instead of
14123 the final expression.
14124 * tree-scalar-evolution.h (affine_iv): New structure.
14125 (simple_iv): Declaration changed.
14126 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14127 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14128 find_givs_in_stmt): Changed due to simple_iv change.
14130 2006-01-06 Jeff Law <law@redhat.com>
14132 PR ada/24994
14133 * tree-cfg.c (bsi_replace): Rename final argument from
14134 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14135 change (stmt -> orig_stmt).
14136 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14137 (bsi_remove): Add new argument. Remove EH information
14138 if requested.
14139 (verify_eh_throw_table_statements): New function.
14140 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14141 updated.
14142 * tree-optimize.c (execute_free_cfg_annotations): Verify
14143 the EH throw statement table after removing annotations.
14144 * except.h (verify_eh_throw_table_statements): Prototype.
14145 * tree-flow.h (bsi_remove): Update prototype.
14146 * tree-vrp.c (remove_range_assertions): Add new argument to
14147 bsi_remove call.
14148 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14149 * tree-complex.c (expand_complex_div_wide): Likewise.
14150 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14151 * tree-tailcall.c (eliminate_tailcall): Likewise.
14152 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14153 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14154 * tree-nrv.c (tree_nrv): Likewise.
14155 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14156 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14157 (combine_blocks): Likewise.
14158 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14159 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14160 (cleanup_control_flow): Likewise.
14161 (remove_forwarder_block): Likewise.
14162 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14163 * tree-sra.c (sra_replace): Likewise.
14164 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14165 (forward_propagate_single_use_vars): Likewise.
14166 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14167 * tree-inline.c (expand_call_inline): Likewise.
14168 * tree-vect-transform.c (vect_transform_loop): Likewise.
14169 * tree-outof-ssa.c (rewrite_trees): Likewise.
14170 * tree-cfg.c (make_goto_expr_edges): Likewise.
14171 (cleanup_dead_labels): Likewise.
14172 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14173 (bsi_move_before, bsi_move_after): Likewise.
14174 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14175 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14177 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14179 PR tree-opt/25528
14180 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14181 and IMAGPART_EXPR.
14182 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14183 on non gimple variables. Also add checks at the top for decls and
14184 mtags.
14185 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14186 complex types.
14187 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14188 and IMAGPART_EXPR for creating MUST_DEFs.
14189 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14190 and NAME_MEMORY_TAG separately from the DECLs.
14192 2006-01-06 Richard Guenther <rguenther@suse.de>
14194 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14195 annotation, if necessary.
14196 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14197 redundant calls to update_stmt.
14198 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14199 Likewise.
14201 2006-01-05 Richard Henderson <rth@redhat.com>
14203 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14205 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14207 * c-typeck.c: Update copyright date.
14209 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14211 * c-typeck.c (build_c_cast): Always warn when casting
14212 from a pointer to an integer of different size, even if
14213 the node was constant.
14215 2006-01-05 Richard Guenther <rguenther@suse.de>
14217 PR tree-optimization/22555
14218 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14219 if one structure field is an array.
14220 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14221 operands even if we found a subvar, but ignore VOPs in this
14222 case.
14223 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14224 for renaming.
14225 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14227 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14229 PR middle-end/24998
14230 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14232 2006-01-05 Richard Guenther <rguenther@suse.de>
14233 Diego Novillo <dnovillo@redhat.com>
14235 * tree-pass.h (TODO_remove_unused_locals): Define.
14236 * gimple-low.c (expand_var_p, remove_useless_vars,
14237 pass_remove_useless_vars): Remove. Update all users.
14238 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14239 (remove_unused_locals): New function.
14240 * tree-flow.h (remove_unused_locals): Declare.
14241 * passes.c (execute_todo): Call remove_unused_locals if
14242 TODO_remove_unused_locals is set.
14243 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14244 * tree-ssa-dce.c (pass_dce): Likewise.
14245 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14247 2006-01-05 Richard Guenther <rguenther@suse.de>
14249 * tree-flow.h (struct fieldoff): Decompose field to
14250 type, size and decl.
14251 * tree-ssa-alias.c (create_sft): Take type as parameter.
14252 (create_overlap_variables_for): Store type, size and decl
14253 in the fieldoff structure.
14254 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14255 of struct fieldoff.
14256 (push_fields_onto_fieldstack): Likewise.
14257 (create_variable_info_for): Likewise. Use offset for the
14258 SFT name if the decl is not available.
14260 2006-01-04 Paul Brook <paul@codesourcery.com>
14262 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14264 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14266 * lambda-code.c (can_put_in_inner_loop): Relax
14267 restrictions.
14268 (can_put_after_inner_loop): New function.
14269 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14270 (perfect_nestify): Change to make copies and modify uses.
14272 2006-01-04 Richard Henderson <rth@redhat.com>
14274 Merge from gomp branch:
14275 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14276 via integer constant.
14277 (pragma_lex): Remove.
14278 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14279 rather than parsing it.
14280 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14281 handle_pragma_extern_prefix): Add %< %> quotes.
14282 (registered_pragmas): New.
14283 (c_register_pragma_1): New.
14284 (c_register_pragma): Use it.
14285 (c_register_pragma_with_expansion): Likewise.
14286 (c_invoke_pragma_handler): New.
14287 (init_pragma): Use cpp_register_deferred_pragma directly for
14288 pch_preprocess.
14289 * c-pragma.h (enum pragma_kind): New.
14290 (pragma_handler): New.
14291 (c_invoke_pragma_handler): Declare.
14292 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14293 CPP_PRAGMA_EOL.
14294 * c-common.h (c_common_pch_pragma): Update decl.
14295 * Makefile.in (c-parser.o): Update dependencies.
14296 (GTFILES): Add c-pragma.h.
14297 * c-parser.c (struct c_token): Add pragma_kind.
14298 (struct c_parser): Add in_pragma.
14299 (c_lex_one_token): Always initialize keyword and pragma_kind.
14300 Extract data for CPP_PRAGMA.
14301 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14302 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14303 Don't allow CPP_PRAGMA_EOL if in_pragma.
14304 (c_parser_consume_pragma): New.
14305 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14306 (c_parser_skip_to_end_of_parameter): Likewise.
14307 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14308 (c_parser_skip_to_pragma_eol): New.
14309 (c_parser_external_declaration): Handle CPP_PRAGMA.
14310 (c_parser_compound_statement_nostart): Likewise.
14311 (c_parser_statement_after_labels): Likewise.
14312 (c_parser_pragma): New.
14313 (pragma_lex): Likewise.
14314 (c_parser_pragma_pch_preprocess): New.
14315 (c_parser_new): Merge into ...
14316 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14318 2006-01-04 Jeff Law <law@redhat.com>
14320 PR ada/24994
14321 * tree-cfg.c (bsi_replace): Remove the original statement
14322 from the EH throw statement table.
14324 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14326 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14327 make the prototype extern "C" and add throw ().
14329 PR target/25554
14330 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14331 and pos non-negative and pos + len <= 32.
14332 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14333 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14334 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14336 PR c/25559
14337 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14338 as well as sizes not multiple of component size.
14340 PR debug/25562
14341 * function.c (instantiate_expr): New function.
14342 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14343 walk its DECL_VALUE_EXPR with instantiate_expr.
14345 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14346 DW_OP_deref{,_size} if address isn't going to be added.
14348 2006-01-04 Ben Elliston <bje@au.ibm.com>
14350 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14351 * config/fp-bit.c: Likewise.
14353 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14355 * dominance.c: Add comment about why we use DFS numbering
14356 of dominance tree.
14358 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14359 Richard Henderson <rth@redhat.com>
14361 Merge from gomp-branch:
14362 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14363 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14365 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14367 PR rtl-optimization/25578
14368 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14369 pass a parameter to simplify_shift_const if changing ASHIFTRT
14370 to LSHIFTRT.
14372 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14374 * builtins.c (get_builtin_sync_mem): New function.
14375 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14376 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14377 Call get_builtin_sync_mem to generate mem rtx.
14379 2006-01-03 Richard Guenther <rguenther@suse.de>
14381 PR c/25183
14382 * stmt.c (add_case_node): Make sure to clear overflow flags
14383 from ranges.
14385 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14387 Merge from gomp-branch.
14388 * config/sparc/sync.md: New file.
14389 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14390 UNSPECV_LDSTUB): New constants.
14391 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14392 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14393 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14394 prototype.
14396 2006-01-03 Roger Sayle <roger@eyesopen.com>
14398 * combine.c (reg_subword_p): New predicate to test whether the
14399 destination of a set refers to a subword/piece of a register.
14400 (try_combine): Generalize the code to merge the setting of a
14401 pseudo to a constant followed by a set of a subword of that
14402 register to a constant.
14404 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14406 * basic-block.h (control_flow_graph): Change the type of
14407 x_label_to_block_map to VEC(basic_block,gc) *.
14408 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14409 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14411 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14412 VEC(basic_block,heap) *.
14413 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14414 ssa_prop_fini): Adjust the uses of cfg_blocks.
14416 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14418 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14419 COMPONENT_REFs.
14420 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14421 hashing trees instead of a pointer hash.
14422 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14423 compare for MEM_EXPR.
14425 PR rtl-optimization/25130
14426 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14427 when comparing MEMs for GCSE
14429 2006-01-03 Ben Elliston <bje@au.ibm.com>
14431 * targhooks.h (default_decimal_float_supported_p): Declare.
14432 * targhooks.c (default_decimal_float_supported_p): Define.
14433 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14434 `default_decimal_float_supported_p'.
14435 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14437 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14439 * combine.c (apply_distributive_law <SUBREG>): Check
14440 TRULY_NOOP_TRUNCATION.
14442 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14444 * dwarf2out.c (have_switched_text_section): Delete.
14445 (have_multiple_function_sections): New.
14446 (have_location_lists): Make 'bool'.
14447 (add_AT_loc_list): Use 'true' not '1'.
14448 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14449 (output_loc_list): Use have_multiple_function_sections.
14450 (output_ranges): Likewise.
14451 (dwarf2out_begin_function): Set have_multiple_function_sections if
14452 necessary.
14453 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14454 Check function_section rather than DECL_SECTION_NAME.
14455 (dwarf2out_finish): Use have_multiple_function_sections.
14456 Don't clear have_location_lists.
14458 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14459 Jan Hubicka <jh@suse.cz>
14461 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14462 case of conditional jump jumping to the next instruction.
14463 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14464 cases of conditional jump jumping to the next instruction.
14466 2006-01-02 Jan Hubicka <jh@suse.cz>
14468 * i386.c (*_cost): Add COSTS_N_INSNS.
14469 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14471 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14473 PR target/25259
14474 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14476 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14478 * config/arm/arm.c (all_fpus): Fix comment typo.
14479 * config/darwin.c: Likewise.
14480 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14481 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14482 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14484 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14486 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14487 (rs6000_split_compare_and_swapqhi): New.
14488 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14489 (sync_compare_and_swapqhi_internal): New.
14490 * config/rs6000/rs6000-protos.h: Declare.