1 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
9 TARGET_PARTIAL_FLAG_REG_STALL.
10 (*ashldi3_cconly_rex64): Likewise.
11 (*ashlsi3_cmp): Likewise.
12 (*ashlsi3_cconly): Likewise.
13 (*ashlsi3_cmp_zext): Likewise.
14 (*ashlhi3_cmp): Likewise.
15 (*ashlhi3_cconly): Likewise.
16 (*ashlqi3_cmp): Likewise.
17 (*ashlqi3_cconly): Likewise.
18 (*ashrdi3_cmp_rex64): Likewise.
19 (*ashrdi3_cconly_rex64): Likewise.
20 (*ashrsi3_cmp): Likewise.
21 (*ashrsi3_cconly): Likewise.
22 (*ashrsi3_cmp_zext): Likewise.
23 (*ashrhi3_cmp): Likewise.
24 (*ashrhi3_cconly): Likewise.
25 (*ashrqi3_cmp): Likewise.
26 (*ashrqi3_cconly): Likewise.
27 (*lshrdi3_cmp_rex64): Likewise.
28 (*lshrdi3_cconly_rex64): Likewise.
29 (*lshrsi3_cmp): Likewise.
30 (*lshrsi3_cconly): Likewise.
31 (*lshrsi3_cmp_zext): Likewise.
32 (*lshrhi3_cmp): Likewise.
33 (*lshrhi3_cconly): Likewise.
34 (*lshrqi2_cmp): Likewise.
35 (*lshrqi2_cconly): Likewise.
37 2006-09-07 Uros Bizjak <uros@kss-loka.si>
40 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
41 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
42 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
43 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
44 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
45 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
46 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
47 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
48 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
49 implement only CC setting effects of shift instructions.
51 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
53 * doc/contrib.texi: Add myself.
55 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
58 * stor-layout.c (relayout_decl): Don't zero the alignment if it
61 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
64 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
65 (divsi_inv_m1): Use them.
66 (UNSPEC_DIV_INV_TABLE): New constant.
68 2006-09-06 James E Wilson <wilson@specifix.com>
71 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
72 then call count_or_remove_death_notes.
74 2006-09-06 Jason Merrill <jason@redhat.com>
77 * tree-inline.c (copy_result_decl_to_var): New fn.
78 (declare_return_variable): Use it. Call declare_inline_vars here.
79 (expand_call_inline): Not here.
81 2006-09-06 Diego Novillo <dnovillo@redhat.com>
83 * doc/contrib.texi: Update my entry.
85 2006-09-06 Nick Clifton <nickc@redhat.com>
87 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
89 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
92 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
93 (canonicalize_induction_variables): Likewise.
94 (tree_unroll_loops_completely): Likewise.
95 (tree_ssa_prefetch_arrays): Likewise.
96 (remove_empty_loops): Likewise.
97 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
98 TODO_cleanup_cfg instead of directly calling
99 cleanup_tree_cfg_loop.
100 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
102 (tree_unroll_loops_completely): Likewise.
103 (remove_empty_loops): Likewise.
104 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
105 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
106 of tree_ssa_unswitch_loops.
107 (tree_ssa_loop_ivcanon): Use the return value of
108 canonicalize_induction_variables.
109 (tree_ssa_empty_loop): Use the return value of
111 (tree_complete_unroll): Use the return value of
112 tree_unroll_loops_completely.
113 (tree_ssa_loop_prefetch): Use the return value of
114 tree_ssa_prefetch_arrays.
115 * passes.c (execute_todo): Before Cleanup CFG, set
116 updating_used_alone and after cleanup CFG, call
117 recalculate_used_alone.
119 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
122 * tree-vect-transform.c (vectorizable_condition): Move the check
123 for the type after the check for simple condition.
125 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
126 Kaz Kojima <kkojima@gcc.gnu.org>
129 * mode-switching.c (optimize_mode_switching): Make the destination
130 block of an abnormal edge have no anticipatable mode. Don't
131 insert mode switching code at the end of the source block of
134 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
136 PR rtl-optimization/26847
137 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
138 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
139 (simplify_plus_minus): Count n_constants while filling ops. Replace
140 qsort with insertion sort. Before going through the array to simplify
141 pairs, sort it. Delay early exit until after the first sort, exiting
142 only if no swaps occurred. Simplify pairs in reversed order, without
143 special-casing the first iteration. Pack ops after simplifying pairs.
145 2006-09-05 Anatoly Sokolov <aesok@post.ru>
147 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
148 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
149 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
150 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
152 2006-09-05 Richard Guenther <rguenther@suse.de>
154 PR tree-optimization/28900
155 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
156 compound conditional before creating COND_EXPR condition.
158 2006-09-05 Richard Guenther <rguenther@suse.de>
160 PR tree-optimization/28905
161 * tree-vrp.c (fix_equivalence_set): Manually implement
162 !value_ranges_intersect_p to also handle symbolic ranges.
164 2006-09-05 Richard Guenther <rguenther@suse.de>
167 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
170 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
172 PR rtl-optimization/27616
173 * cse.c (table_size): New static variable.
174 (new_basic_block): Initialize it to 0.
175 (remove_from_table): Decrement it.
176 (insert): Increment it.
177 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
178 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
179 fold_rtx_mem_1 if under the cap.
180 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
181 the lookup of the equivalent expression and test for equality of the
182 first operand of the equivalent expression before in turn looking up
183 an equivalent constant for the second operand.
185 2006-09-02 Geoffrey Keating <geoffk@apple.com>
188 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
189 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
190 pointer, instead of assuming it is possible to derive the
191 correct args size from a call insn.
193 2006-09-02 Jakub Jelinek <jakub@redhat.com>
196 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
197 (fold_builtin_mempcpy): Rename to...
198 (fold_builtin_memory_op): ... this. Optimize one element copy
200 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
202 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
203 (expand_builtin_memcpy, expand_builtin_mempcpy,
204 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
205 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
206 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
207 BUILT_IN_MEM{CPY,PCPY,MOVE}.
209 2006-09-01 DJ Delorie <dj@redhat.com>
211 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
213 ("stzx_24_<mode>"): Likewise.
214 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
215 ("cmp<mode>_op"): New.
216 (cmp<mode>): Change to expander; just save operands.
218 (b<code>): Change to expander, emit compare here.
219 (s<code>_op): Change to use split and expander.
220 (s<code>_24_op): Likewise.
221 (s<code>_<mode>): New.
222 (s<code>_<mode>_24): New.
223 (movqicc_<code>_<mode): New.
224 (movhicc_<code>_<mode>): New.
227 * config/m32c/m32c.c (compare_op0, compare_op1): New.
228 (m32c_pend_compare): New.
229 (m32c_unpend_compare): New.
230 (m32c_expand_scc): New.
231 (m32c_expand_movcc): Emit the compare also.
232 * config/m32c/predicates.md (mra_nopp_operand): New.
234 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
235 Richard Guenther <rguenther@suse.de>
236 Adam Nemet <anemet@caviumnetworks.com>
239 * builtins.c (get_pointer_alignment): Handle more forms
240 of base addresses that can be used to derive more precise
241 information about alignment.
243 2006-09-01 Jason Merrill <jason@redhat.com>
246 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
249 * gimplify.c (voidify_wrapper_expr): Handle null type.
251 2006-09-01 Josh Conner <jconner@apple.com>
254 * tree-nrv.c (dest_safe_for_nrv_p): New function.
255 (execute_return_slot_opt): Use it.
257 2006-08-31 Josh Conner <jconner@apple.com>
260 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
261 returning aggregates.
263 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
265 PR tree-optimization/28839
266 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
267 blocks in that phi arguments appear.
269 2006-08-31 Roger Sayle <roger@eyesopen.com>
272 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
273 NULL, otherwise use an advance_loc4 to adjust relative to the
275 (output_cfi) <DW_CFA_set_loc>: Update the current label.
276 (dwarf2out_switch_text_section): Reset the current label to avoid
277 using advance_loc4 over section boundaries.
279 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
282 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
283 r12 + SYMBOLIC_CONST.
285 2006-08-30 Richard Guenther <rguenther@suse.de>
287 * Makefile.in (see.o): Add $(EXPR_H) dependency.
289 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
291 PR rtl-optimization/27735
292 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
293 Add new argument to keep track of whether an irreducible region
294 was affected. All callers changed.
295 (fix_irreducible_loops): Removed.
296 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
297 flags were invalidated.
299 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
301 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
302 instead of SF operands.
303 (*fop_df_comm_sse): Likewise.
304 (*fop_df_comm_i387): Likewise.
305 (*fop_df_1_mixed): Likewise.
306 (*fop_df_1_sse): Likewise.
308 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
309 J"orn Rennecke <joern.rennecke@st.com>
311 PR tree-optimization/17506
312 * tree-ssa.c (warn_uninit): If warning about a location outside of
313 the current function, note where the variable was declared.
315 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
317 PR tree-optimization/28411
318 * double-int.c (double_int_div): Use double_int_divmod.
319 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
320 double_int_mod, double_int_smod, double_int_umod): New functions.
321 * double-int.h (double_int_divmod, double_int_sdivmod,
322 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
324 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
326 (get_computation_aff, get_computation_cost_at): Handle double_int
327 return type of constant_multiple_of.
329 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
332 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
333 an implicit conversion.
335 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
337 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
339 2006-08-27 Roger Sayle <roger@eyesopen.com>
341 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
344 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
346 * config/i386/crtfastmath.c: Fix a comment typo.
348 2006-08-26 Roger Sayle <roger@eyesopen.com>
350 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
351 temporary visit flags on CASE_LABEL_EXPRs.
352 * c-common.c (match_case_to_enum): Add function comment. Avoid
353 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
354 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
355 CASE_HIGH_SEEN for enumerated types. If the switch expression is
356 a constant, only warn if that constant value isn't handled.
358 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
361 * input.h (restore_input_file_stack): Declare.
362 (INPUT_FILE_STACK_BITS): Define.
363 * toplev.c (fs_p, input_file_stack_history,
364 input_file_stack_restored, restore_input_file_stack): New.
365 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
366 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
367 (pop_srcloc): Don't free old state of stack.
369 2006-08-26 David Edelsohn <edelsohn@gnu.org>
372 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
373 (PowerPC Type Attributes): New.
375 2006-08-26 Bob Wilson <bob.wilson@acm.org>
377 * config/xtensa/xtensa.c (function_arg_boundary): New.
378 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
380 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
381 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
383 2006-08-26 Jakub Jelinek <jakub@redhat.com>
386 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
389 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
391 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
392 (verify_local_live_at_start): Likewise.
394 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
397 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
398 omp_add_variable): Treat sizes as variable whenever not
401 2006-08-26 Richard Guenther <rguenther@suse.de>
404 * fold-const.c (fold_binary): Fold temporary to correct
405 type before constructing new comparison.
407 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
410 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
411 variable again if DECL_SEEN_IN_BIND_EXPR_P.
413 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
416 * c-decl.c (start_function): Don't try to process prototype
417 information from old declaration that isn't a function.
419 2006-08-25 Jan Hubicka <jh@suse.cz>
422 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
424 2006-08-25 Alan Modra <amodra@bigpond.net.au>
427 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
430 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
432 PR tree-optimization/16876
433 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
434 exit if PARM doesn't match VALUE.
436 2006-08-25 Bob Wilson <bob.wilson@acm.org>
438 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
439 literal_prefix directive.
440 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
441 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
442 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
444 2006-08-25 David Edelsohn <edelsohn@gnu.org>
447 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
448 predicate to general_operand. Add 0->y and I->r alternatives.
450 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
452 * doc/tm.texi: Fix a typo.
453 * predict.c: Fix comment typos.
455 2006-08-25 Nick Clifton <nickc@redhat.com>
457 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
458 assertions of "cpu" and "machine".
460 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
463 * tree-ssa-operands.c (access_can_touch_variable): Don't say
464 the access through a base which has an alias set of 0 cannot
467 2006-08-24 Bill Wendling <wendling@apple.com>
469 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
471 2006-08-24 Jan Hubicka <jh@suse.cz>
473 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
475 2006-08-24 Jan Hubicka <jh@suse.cz>
478 * cgraph.c: Fix comments.
479 (cgraph_varpool_mark_needed_node): Mark only variables not already
481 * cgraphunit.c: Update comments; include gt-cgraphunit.h
482 (cgraph_varpool_assembled_nodes_queue): New static variable.
483 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
484 (cgraph_varpool_output_debug_info): New function.
485 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
486 * Makefile.in: Add gt-cgraphunit.h
488 2006-08-24 Jan Hubicka <jh@suse.cz>
490 * predict.c (probability_reliable_p): New predicate.
491 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
492 (predict_loops): Do not predict loop exit with less than 2%
494 * basic-block.h (edge_probability_reliable_p,
495 br_prob_note_reliable_p): Declare.
496 * ia64.h (ia64_print_operand): Do not disable on-chip branch
497 prediction when static predictor is not reliable.
498 * rs6000.c (output_cbranch): Likewise.
500 2006-08-23 Stuart Hastings <stuart@apple.com>
503 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
504 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
506 2006-08-21 Geoffrey Keating <geoffk@apple.com>
509 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
510 complex values, nor for generic vector values.
512 2006-08-22 Richard Guenther <rguenther@suse.de>
515 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
516 parameter. Convert arguments to arithmetic expression to the
518 (analyze_scalar_evolution_1): Adjust caller.
520 2006-08-22 Jan Hubicka <jh@suse.cz>
522 Patch by Paolo Bonzini
523 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
526 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
528 PR tree-optimization/28003
529 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
530 before grouping aliases.
532 2006-08-22 Roger Sayle <roger@eyesopen.com>
534 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
535 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
537 2006-08-21 Jason Merrill <jason@redhat.com>
540 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
541 wrapper. Loop to handle nested wrappers.
542 (gimplify_bind_expr): Remove temp parameter.
543 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
544 and STATEMENT_LIST on the rhs.
545 (gimplify_statement_list): Voidify the STATEMENT_LIST.
546 (gimplify_expr): Pass pre_p to gimplify_statement_list.
547 (gimplify_target_expr): Remove special BIND_EXPR handling.
549 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
551 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
554 2006-08-21 Olivier Hainque <hainque@adacore.com>
556 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
557 Arrange for the temporary captures of components overlapping the lhs
558 to happen before the lhs is possibly cleared.
560 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
562 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
563 necessary places to pass the correct "number of registers" values
566 2006-08-20 Jan Hubicka <jh@suse.cz>
568 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
569 (create_name_tags): Instead of quadratic checking use hashtable.
570 * bitmap.h: Include hashtab.h.
571 (bitmap_hash): Declare.
572 * bitmap.c (bitmap_hash): New function.
574 2006-08-20 Jan Hubicka <jh@suse.cz>
576 PR rtl-optimization/28071
577 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
579 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
580 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
581 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
582 cgraph_decide_inlining_incrementally): Update use of
583 cgraph_check_inline_limits.
584 * cgraph.c (edge_hash, edge_eq): New function.
585 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
586 cgraph_edge_remove_caller, cgraph_node_remove_callees,
587 cgraph_remove_node): Maintain call site hash.
588 * cgraph.h (struct cgraph_node): Add call_site_hash.
589 (cgraph_set_call_stmt): New function.
591 2006-08-20 Jan Hubicka <jh@suse.cz>
593 PR rtl-optimization/28071
594 * reload1.c (reg_has_output_reload): Turn into regset.
595 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
596 choose_reload_regs, emit_reload_insns): Update to new
597 reg_has_output_reload.
599 2006-08-20 Jan Hubicka <jh@suse.cz>
602 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
604 * cgraphunit.c (cgraph_analyze_function): Don't do so.
606 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
609 * tree.c (handle_dll_attribute): Return early if not a
610 var or function decl.
612 2006-08-18 Joseph Myers <joseph@codesourcery.com>
615 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
616 alignment of SPE vector types.
618 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
620 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
622 2006-08-17 Jakub Jelinek <jakub@redhat.com>
625 * cgraph.h (struct cgraph_node): Remove externally_visible
627 * cgraphunit.c (process_function_and_variable_attributes): Set
628 local.externally_visible rather than externally_visible.
631 * c-common.c (handle_externally_visible_attribute): First look
632 at TREE_CODE and only if it is function or var decl, check for
633 non-public objects. Don't warn for DECL_EXTERNAL.
634 * cgraphunit.c (process_function_and_variable_attributes): Warn
635 if externally_visible attribute is used on non-public object.
637 2006-08-17 Jan Hubicka <jh@suse.cz>
639 PR tree-optimization/27865
640 * reload1.c (forget_marked_reloads): New function.
641 (forget_old_reloads_1): When data are passed, just mark the registers
643 (reload_as_needed): Use the new mechanizm.
645 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
648 * reload.h (reg_equiv_alt_mem_list): New declaration.
649 * reload1.c (reg_equiv_alt_mem_list): New definition.
650 (reload): Initialize it and release it.
651 (delete_output_reload): Use it.
652 * reload.c (push_reg_equiv_alt_mem): New function.
653 (find_reloads_toplev): Call it.
654 (find_reloads_address, find_reloads_address_1): Likewise.
655 (find_reloads_subreg_address): Likewise.
657 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
659 PR rtl-optimization/28489
660 * sched-ebb.c (begin_schedule_ready): Create basic block
662 (advance_target_bb): Skip empty blocks.
663 * haifa-sched.c (bb_note): Make global.
664 * sched-int.h (bb_note): Add prototype.
666 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
668 PR tree-optimization/27865
669 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
671 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
672 fold_used_pointer, pointer_used_p): New functions.
673 (analyze_scalar_evolution_1): Use fold_used_pointer.
674 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
675 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
678 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
681 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
682 or the INTEGER_CST. Fail on a CALL_EXPR.
683 (fold_offsetof): Pass new argument to fold_offsetof_1.
684 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
685 operand into an INDIRECT_REF.
686 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
688 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
690 PR gcov/profile/26570
691 * value-prof.c (static_values): Removed.
692 (tree_find_values_to_profile): Do not set static_values.
693 (find_values_to_profile): Do not free static_values.
694 * profile.c (instrument_values): Do not free the values.
695 (branch_prob): Free the values.
697 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
699 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
701 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
704 * c-typeck.c (build_component_ref): Combine qualifiers of
705 structure or union and field.
707 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
709 PR rtl-optimization/28071
710 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
711 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
712 * tree-into-ssa.c (struct dom_dfsnum): New.
713 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
715 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
716 compute_global_livein.
717 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
718 in phi nodes in the correct blocks.
720 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
722 PR tree-optimization/28364
723 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
725 (fold_affine_expr): New function.
726 (may_eliminate_iv): Use fold_affine_expr.
728 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
731 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
734 2006-08-16 Mike Stump <mrs@apple.com>
736 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
737 * doc/cppopts.texi (-MD): Likewise.
739 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
742 * c-common.c (handle_weak_attribute): Ignore and warn if
743 not a FUNCTION_ or VAR_DECL.
745 2006-07-15 Mike Stump <mrs@apple.com>
748 * c-parser.c (c_parser_typeof_specifier): Don't use
749 c_finish_expr_stmt, open code desired semantics instead.
751 2006-08-15 Nick Clifton <nickc@redhat.com>
753 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
754 fragment to tmake_file only if threads are enabled.
755 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
756 * config/i386/t-gthr-win32: New file. ... here.
758 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
761 * c-parser.c (c_parser_compound_statement_nostart): Reset
762 parser->error after each statement.
764 2006-08-15 Jakub Jelinek <jakub@redhat.com>
767 * omp-low.c (lower_omp_parallel): Convert t to
768 receiver_decl's type.
769 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
770 source before comparison.
773 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
774 to itype in assignment to oldival2.
776 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
780 * c-typeck.c (build_compound_expr): If the second expression
781 is an error mark, then just return an error mark instead of
782 creating a COMPOUND_EXPR.
784 2006-07-14 Mike Stump <mrs@apple.com>
786 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
788 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
790 * c-decl.c, var-tracking.c: Fix comment typos.
792 2006-08-14 Richard Sandiford <richard@codesourcery.com>
794 PR rtl-optimization/28634
795 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
796 for floating-point modes unless flag_unsafe_math_optimizations.
798 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
799 Andrew Pinski <pinskia@physics.uc.edu>
802 * tree.c (build_array_type): Unify array types with
803 unspecified index_type.
804 * c-decl.c (grokdeclarator): Make sure we do not modify a
805 unified incomplete array type.
806 * c-typeck.c (store_init_value): Create distinct type before
807 filling in the index type in an initializer from a compound
810 * c-decl.c (grokdeclarator): Remove code where we copy the
813 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
815 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
816 into account for TODO_dump_cgraph.
817 (TODO_update_ssa_no_phi): Likewise.
818 (TODO_update_ssa_full_phi): Likewise.
819 (TODO_update_ssa_only_virtuals): Likewise.
820 (TODO_remove_unused_locals): Likewise.
821 (TODO_set_props): Likewise.
822 (TODO_update_stmt_usage): Likewise.
824 2006-08-13 Dirk Mueller <dmueller@suse.de>
826 * c-common.c (strict_aliasing_warning): Fix formatting.
828 2006-08-13 Matthias Klose <doko@debian.org>
830 * doc/invoke.texi: Fix spelling errors.
832 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
834 PR rtl-optimization/23454
835 * reorg.c (relax_delay_slots): Update comment.
837 2006-08-11 Richard Guenther <rguenther@suse.de>
840 * simplify-rtx.c (simplify_const_relational_operation):
841 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
844 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
846 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
847 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
849 2006-08-10 Paul Brook <paul@codesourcery.com>
851 * final.c (final_scan_insn): Clear current_insn_predicate before
852 outputting inline asm.
854 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
856 PR tree-optimization/26197
857 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
858 get_ref_base_and_extent and overlap_subvar to add only relevant
859 subvars as may-aliases.
860 (add_may_alias_for_new_tag): New function, factored out of
862 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
863 with additional argument.
864 * tree-flow.h (new_type_alias): Takes additional argument.
866 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
868 * gcov.c (no_data_file): New flag.
869 (read_count_file): Set it if data file not present. Assume counts
871 (output_lines): Don't name the data file, if there wasn't one.
873 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
875 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
876 (rs6000_generate_compare): Tweak comments.
877 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
879 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
881 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
882 (var_debug_decl): New function.
883 (var_reg_set): Follow debug decl link. Add location even if
884 reg is already known to hold some other variable.
885 (var_mem_set): Follow debug decl link.
886 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
887 decl link. Delete other known locations of the variable part
889 (var_reg_delete, var_mem_delete): Delete other known locations
890 of the variable part if requested.
891 (same_variable_part_p): New function.
892 (add_stores): Select MO_COPY when appropriate.
893 (vt_initialize): Handle it.
894 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
895 known locations for MO_SET and MO_CLOBBER.
896 (find_variable_location_part): New function.
897 (set_variable_part, delete_variable_part): Use it.
898 (clobber_variable_part): New function.
899 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
902 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
904 PR tree-optimization/26969
905 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
906 with an empty list of PHIs.
908 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
912 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
915 2006-08-06 Andreas Schwab <schwab@suse.de>
917 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
918 string. Whitespace and comment fixup.
920 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
923 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
927 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
930 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
932 2006-08-04 Jan Hubicka <jh@suse.cz>
936 * reload.c (push_reload): Patch out the mismatching instruction;
938 (find_reload): Bail out if the instruction was patched out.
940 2006-08-04 Jan Hubicka <jh@suse.cz>
942 PR tree-optimization/24888
943 * tree-inline.c (expand_call_inline): Do not re-record variables.
944 (declare_inline_vars): Add variable to unexpanded_var_list.
946 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
947 Roger Sayle <roger@eyesopen.com>
949 PR rtl-optimization/26244
950 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
951 inner_const are negative or greater than or equal to the bitsize of
952 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
953 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
954 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
955 CONST0_RTX (mode) when the new shift count is greater than or equal to
956 to the bitsize of the object being shifted and XEXP (y, 0) has no side
959 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
961 * tree-cfg.c: Fix a comment typo.
963 2006-08-03 Mark Mitchell <mark@codesourcery.com>
966 * varasm.c (output_constant): Give the front end another chance to
967 expand constants, after stripping NOPs.
969 2006-08-03 Jan Hubicka <jh@suse.cz>
971 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
974 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
976 PR tree-optimization/27770
977 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
978 declaration removed (moved to tree-flow.h).
979 (vect_can_force_dr_alignment_p): Likewise.
980 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
981 (moved from tree-vectorizer.h).
982 (vect_can_force_dr_alignment_p): Likewise.
983 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
984 from outside the vectorizer - in particular from cgraph stage.
985 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
986 the alignment of global arrays when -fsection-anchors is enabled.
987 * cgraphunit.c (cgraph_increase_alignment): New function.
988 (cgraph_optimize): Call cgraph_increase_alignment.
990 2006-08-03 David Edelsohn <edelsohn@gnu.org>
993 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
994 not reload a SPE symbol_ref into a lo_sum address.
996 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
999 * dwarf2out.c (prune_unused_types_prune): Move call to
1000 prune_unused_types_update_strings to cover the parent DIE also.
1002 2006-08-02 Jan Hubicka <jh@suse.cz>
1004 PR gcov/profile/28480
1005 * tree-cfg.c (change_bb_for_stmt): New function.
1006 (tree_merge_blocks, tree_split_blocks): Use it.
1008 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1014 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1015 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1016 (cgraph_optimize): Likewise.
1018 2006-08-01 Stuart Hastings <stuart@apple.com>
1020 * rtl.h (UINTVAL) New.
1021 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1022 * testsuite/gcc.dg/20060801-1.c: New.
1024 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1027 * c-typeck.c (build_external_type): Mark used enum types.
1028 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1030 (gen_subprogram_die): Whitespace fix.
1032 2006-08-01 Jan Hubicka <jh@suse.cz>
1034 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1035 bitmap when not needed.
1036 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1039 2006-08-01 Dirk Mueller <dmueller@suse.de>
1041 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1043 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1045 * Makefile.in: Revert part of previous patch:
1046 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1049 2006-07-30 Eric Christopher <echristo@apple.com>
1052 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1053 (PowerPC Variable Attributes): New section.
1055 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1057 PR target/28126 (partial fix)
1058 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1060 2006-07-28 Jan Hubicka <jh@suse.cz>
1062 PR rtl-optimization/28071
1063 * cfgrtl.c (rtl_delete_block): Free regsets.
1064 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1066 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1068 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1069 and variables used in dependencies.
1071 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1073 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1074 %fs for -mcmodel=kernel.
1075 (stack_tls_protect_test_di): Likewise.
1077 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1079 * Makefile.in: Use mkinstalldirs.
1081 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1084 * opts-common.c (prune_options): Skip joined switches.
1086 2006-07-27 Jan Hubicka <jh@suse.cz>
1088 PR rtl-optimization/28071
1089 * cselib.c (cselib_process_insn): Don't remove useless values too
1090 often for very large hashtables.
1092 2006-07-27 Jan Hubicka <jh@suse.cz>
1094 PR rtl-optimization/28071
1095 * global.c (greg_obstack): New obstack.
1096 (allocate_bb_info): Use it.
1097 (free_bb_info): Likewise.
1098 (modify_reg_pav): Likewise.
1100 2006-07-27 Roger Sayle <roger@eyesopen.com>
1102 * builtins.c (fold_fixed_mathfn): When long and long long are the
1103 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1104 functions to their lceil*, lfloor*, lround* and lrint* forms.
1106 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1109 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1111 (rev_branch_insn): Likewise.
1113 2006-07-27 Jan Hubicka <jh@suse.cz>
1115 PR rtl-optimization/28071
1116 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1117 (reg_set_in_bb, max_reg_computed): New static variables.
1118 (regmove_optimize): Free the new array.
1119 (fixup_match_1): Update call of reg_is_remote_constant_p.
1121 2006-07-26 Jan Hubicka <jh@suse.cz>
1123 PR tree-optimization/27882
1124 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1126 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1128 (cgraph_analyze_compilation_unit): Likewise.
1129 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1130 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1131 (cgraph_early_inlinine): Make order garbage collected.
1132 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1134 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1136 * dbxout.c (output_types_sort): Add a comment.
1137 (output_used_types): Free the VEC.
1139 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1141 * function.c (reorder_fix_fragments): Delete.
1142 (reorder_blocks): Don't call it.
1143 (reorder_blocks_1): Put all subblocks under the origin block.
1145 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR rtl-optimization/27907
1148 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1151 2006-07-25 Roger Sayle <roger@eyesopen.com>
1154 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1155 bar(x) check that bar's result type can represent all the values of T.
1157 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1159 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1161 2006-07-25 Nick Clifton <nickc@redhat.com>
1163 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1164 size_lookup[] array.
1165 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1166 (ggc_pch_count_object): Likewise.
1167 (ggc_pch_alloc_object): Likewise.
1168 (ggc_pch_write_object): Likewise.
1169 (init_ggc): Do not attempt to initialize entries in the
1170 size_lookup[] array for objects whose size is greater than than
1171 the length of the array.
1173 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1175 * dbxout.c (output_used_types_helper): Push queued types
1177 (output_types_sort): New.
1178 (output_used_types): Collect used types on a VEC and sort them
1181 2006-07-24 Richard Guenther <rguenther@suse.de>
1184 * cgraph.c (cgraph_remove_node): Do not check if dumps
1186 * cgraphunit.c (cgraph_optimize): Likewise.
1188 2006-07-24 Jan Hubicka <jh@suse.cz>
1190 PR rtl-optimization/28071
1191 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1192 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1193 splitting before first stmt.
1195 2006-07-24 Jan Hubicka <jh@suse.cz>
1197 PR rtl-optimization/28071
1198 * ipa-inline.c (update_caller_keys): Remove edges that
1199 are no longer inline candidates.
1201 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1204 * dbxout.c (output_used_types_helper, output_used_types): New.
1205 (dbxout_symbol): Call output_used_types.
1207 2006-07-23 Jan Hubicka <jh@suse.cz>
1211 * cgraph.c (cgraph_varpool_nodes): Export.
1212 (decide_is_variable_needed): Ignored "used" attribute in
1213 unit-at-a-time mode.
1214 * cgraph.h (cgraph_varpool_nodes): Declare.
1215 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1216 unit-at-a-time mode.
1218 2006-07-23 Roger Sayle <roger@eyesopen.com>
1221 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1222 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1223 the __gthrw form of thr_keycreate.
1224 (__gthread_key_delete): Silence the unused argument warning.
1226 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1229 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1230 Cache the last found '\0' marker to avoid quadratic behavior.
1232 2006-07-23 Jan Hubicka <jh@suse.cz>
1234 * i386.md (subsi_3_zext): Fix output template.
1236 2006-07-21 Mike Stump <mrs@apple.com>
1238 * doc/invoke.texi (C++ Dialect Options): Note that
1239 -fvisibility-inlines-hidden doesn't affect explicitly
1240 instantiationed inline methods.
1242 2006-07-20 Roger Sayle <roger@eyesopen.com>
1244 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1245 if the target assembler is GNU binutils' gas.
1246 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1247 whether to pass GNU gas or native as command line options.
1249 2006-07-20 Jason Merrill <jason@redhat.com>
1251 * tree.c (remove_attribute): New fn.
1252 * tree.h: Declare it.
1254 2006-07-20 Paul Brook <paul@codesourcery.com>
1257 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1258 they are invalidated by this instruction.
1260 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1263 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1265 2006-07-20 Eric Christopher <echristo@apple.com>
1268 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1270 2006-07-19 Eric Christopher <echristo@apple.com>
1272 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1273 Rewrite dependencies for libgcc_s.1.dylib.
1275 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1277 * except.c (duplicate_eh_regions_1): Clear next_peer.
1279 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1281 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1282 -mlongcall does not guarantee all calls will be long.
1283 * doc/extend.texi (long_call/short_call): Document that longcall
1284 does not guarantee a long call will be used.
1285 (longcall/shortcall): Likewise.
1287 2006-07-18 Roger Sayle <roger@eyesopen.com>
1290 * expmed.c (expand_shift): Additionally check that the shift_cost
1291 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1292 before implementing a LSHIFT_EXPR as a sequence of additions.
1293 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1294 middle-end that DImode shifts need to be synthesized by expand.
1296 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1299 * tree-ssa-operands.c (access_can_touch_variable): Update
1301 Return true if ALIAS is .GLOBAL_VAR.
1303 2006-07-18 David Daney <ddaney@avtrex.com>
1305 * gcc.c (display_help): Fix typo in help text.
1307 2006-07-18 Olivier Hainque <hainque@adacore.com>
1309 * tree.h (categorize_ctor_elements): Adjust prototype and add
1310 descriptive comment, both in accordance with the interface change
1312 * varasm.c (constructor_static_from_elts_p): New function.
1313 Whether a constructor node is a valid static constant initializer
1314 if all its elements are.
1315 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1316 * output.h: Declare it.
1317 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1318 is a valid constant initializer instead of computing the number of
1319 non-constant elements. Use constructor_static_from_elts_p for this
1320 purpose. Replace the head comment with an indication that this is a
1321 helper for categorize_ctor_elements.
1322 (categorize_ctor_elements): Same interface change as for the _1
1323 helper. Former head comment from this helper moved here, adjusted to
1324 account for the interface changes.
1325 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1326 (all_zeros_p): Likewise.
1327 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1328 static versions of the constructor from the categorize_ctor_elements
1329 return value instead of the formerly computed number of non-constant
1332 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1334 * configure: Regenerate.
1335 * Makefile.in (build_libsubdir): New configure substitution
1336 (build_libobjdir): New variable.
1337 (BUILD_LIBIBERTY): Use it.
1339 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1342 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1344 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1347 * c-common.c (handle_weakref_attribute): Ignore attribute in
1348 the same conditions the alias attribute is ignored.
1350 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1352 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1353 (dbxout_begin_prologue): Increment scope_labelno.
1355 2006-07-17 Richard Henderson <rth@redhat.com>
1358 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1361 2006-07-17 Roger Sayle <roger@eyesopen.com>
1362 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1364 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1365 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1366 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1367 functions such as sbrk, write, etc.. Add function prototypes.
1368 Convert function declarations from K&R to ISO C. Cast pointers
1369 to "long" and "unsigned long" instead of "int" and "unsigned int".
1370 Convert tokens following #endif into comments.
1372 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1374 * invoke.texi: Remove mention of f77; Reformat table for
1375 inline parameter options correctly; mention that -malign-double
1376 is default on x86-64 targets.
1378 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1380 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1381 (convert_affine_scev, chrec_convert_aggressive): Use
1382 avoid_arithmetics_in_type_p. Do not check for the subtypes
1385 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1388 * optabs.c (expand_doubleword_shift): Wrap the call to
1389 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1391 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1394 * optabs.c (expand_binop): Pass next_methods rather than methods
1395 to expand_doubleword_shift.
1397 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1400 * tree.h (dump_addr): Declare.
1401 * print-tree.c (dump_addr): New function.
1402 (print_node_brief, print_node): Use it.
1403 * print-rtl.c (print_rtx): Likewise.
1404 * common.opt (-fdump-noaddr): New option.
1405 * doc/invoke.texi (-fdump-noaddr): Document.
1406 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1407 (ve_info_hash): Likewise.
1409 2006-07-13 Andrew Haley <aph@redhat.com>
1411 PR tree-optimization/19505
1412 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1413 edge leaving this block, make sure that the destination of this
1414 block has only one predecessor.
1416 2006-07-17 Richard Guenther <rguenther@suse.de>
1418 PR tree-optimization/28238
1419 * tree-inline.c (copy_bb): Check if we produced valid
1420 gimple copying and substituting a stmt. If not, gimplify
1423 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1425 * optabs.c (maybe_encapsulate_block): New function extracted from...
1426 (emit_libcall_block): ...here. Invoke it on the block of insns to
1427 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1428 (emit_no_conflict_block): Likewise.
1430 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1432 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1434 2006-07-15 Roger Sayle <roger@eyesopen.com>
1436 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1437 a new NOP_EXPR case of the switch statement.
1439 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1442 * stor-layout.c (place_field): Take the bit field with
1443 an excessive size into account in the ms-bitfiled case.
1446 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1447 the previous bit field.
1449 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1452 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1454 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1456 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1457 signal frames correctly even when the signal was installed with
1460 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1462 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1463 (dbxout_function_end): Use local label LFBB. Remove hook
1465 (dbxout_source_line): Use local label LFBB.
1466 (dbxout_block): Likewise.
1467 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1468 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1469 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1470 and DBX_OUTPUT_NFUN.
1472 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1474 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1476 2006-07-13 Jan Hubicka <jh@suse.cz>
1478 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1480 * output.h (align_variable): Declare.
1481 * varasm.c (align_variable): Export.
1482 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1483 when basic block changed.
1485 2006-07-13 Nick Clifton <nickc@redhat.com>
1487 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1488 walking the LOG_LINKS chain.
1490 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1492 * doc/invoke.texi (C++ Dialect Options): Explain difference
1493 between -fvisibility-inlines-hidden and setting hidden
1494 visibility explicitly.
1496 2006-07-12 Eric Christopher <echristo@apple.com>
1498 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1499 (stmp-lipo): Depend on libgcc.a.
1501 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1503 * tree.c: Fix a comment typo.
1505 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1507 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1509 (umulhisi3_r): Likewise.
1511 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1514 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1515 x < 19, vs wchar_t support.
1517 2006-07-12 Nick Clifton <nickc@redhat.com>
1519 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1520 instead of -isa=sh4.
1522 2006-07-12 Mike Stump <mrs@apple.com>
1524 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1526 2006-07-10 Eric Christopher <echristo@apple.com>
1528 * config/t-slibgcc-darwin: Rewrite.
1530 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1533 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1536 2006-07-08 Matthias Klose <doko@debian.org>
1538 * doc/sourcebuild.texi: Fix typo.
1540 2006-07-07 Mike Stump <mrs@apple.com>
1542 * toplev.c (process_options): Don't give -ffunction-sections may
1543 affect debugging warning for Mach-O.
1545 2006-07-07 James E Wilson <wilson@specifix.com>
1547 * config/mips/mips.md (cpu): Add sb1a.
1548 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1549 addition to sb1. Adjust comments to clarify SB-1A differences from
1551 (ir_sb1a_load): New. Modify bypasses to use it.
1552 (ir_sb1a_simple_alu): Likewise.
1553 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1554 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1555 (mips_issue_rate): Add PROCESSOR_SB1A.
1556 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1557 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1558 (TARGET_SB1): Add PROCESSOR_SB1A check.
1559 (TUNE_SB1): Likewise.
1561 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1562 * config/mips/mips.c (mips_store_data_bypass_p): New.
1563 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1564 store_data_bypass_p.
1566 2006-07-08 Paul Brook <paul@codesourcery.com>
1569 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1571 2006-07-07 Richard Guenther <rguenther@suse.de>
1574 * tree.h (build_one_cst): Declare.
1575 * tree.c (build_one_cst): New function.
1576 * tree-ssa-math-opts.c (get_constant_one): Remove.
1577 (insert_reciprocals): Use build_one_cst.
1578 * fold-const.c (fold_plusminus_mult): Likewise.
1580 2006-07-07 Roger Sayle <roger@eyesopen.com>
1582 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1583 * cfgloopanal.c (dump_graph): Likewise.
1584 * dojump.c (discard_pending_stack_adjust): Likewise.
1585 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1587 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1588 * function.c (finalize_block_changes): Likewise.
1589 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1590 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1591 * rtl.c (dump_rtx_statistics): Likewise.
1592 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1594 * varray.c (dump_varray_statistics): Likewise.
1595 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1596 decode_decimal64, encode_decimal128, decode_decimal128,
1597 decimal_real_to_decimal): Likewise.
1599 2006-07-07 Richard Guenther <rguenther@suse.de>
1601 PR tree-optimization/28187
1602 * tree-vrp.c (vrp_operand_equal_p): New function.
1603 (vrp_bitmap_equal_p): Likewise.
1604 (update_value_range): Use them to compare old and new
1607 2006-07-06 Roger Sayle <roger@eyesopen.com>
1609 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1610 a default case to switch statement to silence compiler warnings.
1612 2006-07-06 Roger Sayle <roger@eyesopen.com>
1615 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1616 the configured assembler supports the x87's ffreep mnemonic.
1617 * configure: Regenerate.
1618 * config.in: Regenerate.
1620 * config/i386/i386.c (output_387_ffreep): New function.
1621 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1622 (output_387_reg_move): Likewise.
1624 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1626 Port to hosts whose 'sort' and 'tail' implementations
1627 treat operands with leading '+' as file names, as POSIX
1628 has required since 2001. However, make sure the code still
1629 works on pre-POSIX hosts.
1630 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1631 which says you should use "tail -c +N" rather than "tail +Nc".
1632 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1634 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1636 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1639 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1642 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1643 PRE_{INC,DEC} of TFmode.
1645 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1646 Alan Modra <amodra@bigpond.net.au>
1649 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1652 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1655 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1656 Remove duplicate gtu.
1658 2006-07-05 Jason Merrill <jason@redhat.com>
1662 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1663 * c-common.c (handle_packed_attribute): So don't copy it here.
1664 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1666 2006-07-05 Mike Stump <mrs@apple.com>
1668 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1670 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1673 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1675 2006-07-05 Richard Guenther <rguenther@suse.de>
1678 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1679 TARGET_SSE2 targets if using SSE math.
1680 (*absdf2_1): Likewise.
1682 2006-07-05 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/28162
1685 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1686 make sure to convert the operands to the correct type.
1688 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1690 PR tree-optimization/28218
1692 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1693 to calculate and free the dominator information.
1695 2006-07-04 Peter O'Gorman <peter@pogma.com>
1697 * mklibgcc.in: chmod 644 before ranlib during install.
1699 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1700 J"orn Rennecke <joern.rennecke@st.com>
1702 * configure.ac (.eh_frame data check): Use diff -b.
1704 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1707 * Makefile.in (BUILD_RTL): Add build/vec.o.
1708 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1709 (build/genextract): Delete.
1710 (build/genautomata): Likewise.
1712 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1715 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1716 128-bit IBM long doubles for ABI_V4.
1718 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1720 * tree.c (range_in_array_bounds_p): New predicate.
1721 * tree.h (range_in_array_bounds_p): Declare it.
1722 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1723 return a less conservative answer.
1724 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1725 and flag 'is_group'.
1726 (IS_ELEMENT_FOR_GROUP): New macro.
1727 (FOR_EACH_ACTUAL_CHILD): Likewise.
1728 (next_child_for_group): New helper function.
1729 (can_completely_scalarize_p): Take into account groups.
1730 (sra_hash_tree): Handle RANGE_EXPR.
1731 (sra_elt_eq): Likewise.
1732 (lookup_element): Be prepared for handling groups.
1733 (is_valid_const_index): Delete.
1734 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1735 instead of is_valid_const_index.
1736 <ARRAY_RANGE_REF>: New case.
1737 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1738 is_valid_const_index.
1739 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1740 (scan_dump): Dump info for groups too.
1741 (decide_instantiation_1): Likewise.
1742 (decide_block_copy): Assert that the element is not a group.
1743 Propagate decision to groups.
1744 (generate_one_element_ref): Handle RANGE_EXPR.
1745 (mark_no_warning): Iterate over actual childs.
1746 (generate_copy_inout): Likewise.
1747 (generate_element_copy): Likewise.
1748 (generate_element_zero): Likewise.
1749 (generate_element_init_1): Likewise.
1750 (dump_sra_elt_name): Handle RANGE_EXPR.
1752 2006-07-03 Roger Sayle <roger@eyesopen.com>
1754 PR tree-optimization/26251
1755 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1756 (thread_block): When optimizing for size refuse to thread jumps
1757 that would require duplication of blocks other than redirection
1760 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1762 * configure.ac: Fix thinko in previous check-in.
1763 * configure: Regenerate.
1765 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1768 * configure.ac (for lang...): Simplify nesting of conditionals.
1769 Test subdir_requires for non-enabled languages. Move processing
1770 of lang_opt_files and lang_tree_fiels below that test.
1771 * configure: Regenerate.
1772 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1774 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1776 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1778 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1780 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1783 2006-06-29 Jason Merrill <jason@redhat.com>
1790 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1791 * c-common.c (c_determine_visibility): Handle it here.
1792 * c-decl.c (finish_decl): Call c_determine_visibility for
1794 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1796 * varasm.c (default_assemble_visibility): Likewise.
1797 * c-common.c (handle_visibility_attribute): Complain about trying
1798 to give visibility to an already defined class, or trying to change
1799 declared visibility. Always attach the attribute.
1804 * attribs.c (decl_attributes): Ignore type-in-place attributes
1805 once the type has been defined.
1807 2006-06-29 Roger Sayle <roger@eyesopen.com>
1810 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1811 to indicate the cpplib has issued an error message for us.
1813 2006-06-29 Asher Langton <langton2@llnl.gov>
1816 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1817 insert a label at the end of an function under Mach-O.
1819 2006-06-29 Eric Christopher <echristo@apple.com>
1820 Evan Cheng <evan.cheng@apple.com>
1822 * predicates.md (vector_all_ones_operand): New.
1823 (nonimmediate_or_sse_const_operand): Ditto.
1824 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1825 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1826 (standard_sse_mode_p): Ditto.
1827 (standard_sse_constant_p): Add case for -1 vector.
1828 (ix86_expand_vector_move): Try to use.
1829 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1830 Call standard_sse_constant_opcode.
1831 (*movv4sf_internal): Ditto.
1832 (*movv2df_internal): Ditto.
1834 2006-06-29 Roger Sayle <roger@eyesopen.com>
1836 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1837 of XEXP to extract the operands of a MATCH_CODE rtx.
1839 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1841 * tree.c (tree_size): Do not waste tail padding in
1842 struct tree_string and make the size be the same as
1843 build_string will generate.
1845 2006-06-28 Jason Merrill <jason@redhat.com>
1848 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1849 may_aliases already in the tag's annotations to the bitmap.
1851 2006-06-28 Roger Sayle <roger@eyesopen.com>
1853 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1855 2006-06-28 Roger Sayle <roger@eyesopen.com>
1857 * genpreds.c (generate_switch_p): New function.
1858 (add_mode_tests): Push the new mode test down inside an AND expr
1859 if this allows the switch-suitable MATCH_CODE to be near the root.
1860 (write_match_code_switch): New function to write a MATCH_CODE as
1862 (write_predicate_stmts): New function to write a predicate RTX
1863 expression as a sequence of statements.
1864 (write_one_predicate_function): Use write_predicate_stmts.
1865 (write_tm_constrs_h): Likewise.
1867 2006-06-26 Fred Fish <fnf@specifix.com>
1869 * config/mips/t-sb1: New file.
1870 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1873 2006-06-26 DJ Delorie <dj@redhat.com>
1875 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1877 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1878 Jayant Sonar <jayants@kpitcummins.com>
1879 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1881 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1882 (subsi3, subsi3_1, subsi3_2): New.
1883 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1884 * config/m32c/mov.md (SI mov peephole): New.
1885 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1886 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1888 2006-06-26 Olivier Hainque <hainque@adacore.com>
1890 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1891 a CALL_EXPR target function declaration.
1893 2006-06-26 Richard Guenther <rguenther@suse.de>
1895 * tree.c (build_string): Do not waste tail padding in
1898 2006-06-26 Richard Guenther <rguenther@suse.de>
1900 * ggc-page.c (init_ggc): Add missing element to size_lookup
1904 2006-06-23 Richard Guenther <rguenther@suse.de>
1906 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1907 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1908 alignment requests instead. Add verification code.
1909 Add struct tree_function_decl and struct tree_binfo size to
1910 extra_order_size_table. Add missing element to size_lookup
1913 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1916 * fold-const.c (const_binop): Be prepared for self returning zero.
1917 Simplify code handling complex values.
1919 2006-06-24 Olivier Hainque <hainque@adacore.com>
1921 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1922 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1925 2006-06-24 Olivier Hainque <hainque@adacore.com>
1927 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1928 ARRAY_REF, so have the callback called for the low bound expression.
1930 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1932 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1933 * c-typeck.c (c_common_type): Disallow operations on decimal float
1934 types and other float types.
1935 * convert.c (convert_to_real): Don't ignore conversions involving
1936 decimal float types.
1938 2006-06-23 Olivier Hainque <hainque@adacore.com>
1940 * tree.c (max_int_size_in_bytes): New function, inspired from
1941 code in function.c:assign_temp.
1942 * tree.h (max_int_size_in_bytes): Declare.
1943 * function.c (assign_temp): Use it.
1944 * gimplify.c (create_tmp_var): Relax the assertions on the type
1945 properties, not mandating constant size any more.
1946 (force_constant_size): New static function.
1947 (gimple_add_tmp_var): Use it, forcing variable size to a
1948 constant upper bound if it is not constant on entry.
1950 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1953 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1954 for initialization and setting of one_only flag to ...
1955 (i386_pe_encode_section_info): ...here.
1956 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1957 Recheck that the symbol has not been defined.
1959 2006-06-23 Richard Guenther <rguenther@suse.de>
1961 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1962 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1963 alignment requests instead. Add verification code.
1964 Add struct tree_function_decl and struct tree_binfo size to
1965 extra_order_size_table. Add missing element to size_lookup
1968 2006-06-22 Roger Sayle <roger@eyesopen.com>
1969 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1972 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1973 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1975 2006-06-23 Ben Elliston <bje@au.ibm.com>
1977 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1978 negate dn -- manipulate it directly.
1980 2006-06-22 Roger Sayle <roger@eyesopen.com>
1981 Steven Bosscher <stevenb.gcc@gmail.com>
1984 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1985 generated by gen_move_insn to add REG_LABEL notes if necessary.
1987 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1989 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1990 (leaf_entry): Remove use of MIN_ESA.
1992 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1994 PR rtl-optimization/28121
1995 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1998 2006-06-21 DJ Delorie <dj@redhat.com>
2000 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2002 (mulhisi3_r): Likewise.
2004 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2007 * coverage.c (coverage_counter_alloc): Leave the index type
2009 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2012 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2014 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2015 section from the "Options for Code Generation Conventions".
2017 2006-06-21 Richard Henderson <rth@redhat.com>
2021 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2023 (global_symbolic_operand): Allow weak symbols, even if local_p.
2025 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2027 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2028 (find_interesting_uses_address): Punt if above function returns true.
2030 2006-06-21 Richard Guenther <rguenther@suse.de>
2032 * configure: Regenerated.
2034 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2036 * config/mips/mips.c (function_arg): Where one part of a
2037 complex argument is in registers and the other part in the stack,
2038 return a REG not a PARALLEL.
2040 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2042 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2043 when cross-compiling. Do not substitute libstdcxx_incdir.
2044 * configure: Regenerated.
2046 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2048 * varasm.c (mergeable_string_section): Check for embedded NULs and
2049 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2050 rather than TREE_STRING_LENGTH bytes.
2052 2006-06-21 Richard Guenther <rguenther@suse.de>
2054 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2055 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2058 2006-06-21 Richrad Guenther <rguenther@suse.de>
2060 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2061 Limit iteration over the dominators.
2063 2006-06-20 Roger Sayle <roger@eyesopen.com>
2065 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2066 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2068 2006-06-20 Richard Guenther <rguenther@suse.de>
2069 Michael Matz <matz@suse.de>
2071 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2073 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2074 * et-forest.h (et_free_pools): Prototype new function.
2075 * et-forest.c (et_free_tree_force): Free parent occurrence.
2076 (et_free_pools): New function.
2077 * dominance.c (free_dominance_info): Free et-forest alloc
2080 2006-06-20 Roger Sayle <roger@eyesopen.com>
2082 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2083 integer modes, attempt to directly construct an integer constant.
2085 * fold-const.c (native_encode_vector): Determine the size of each
2086 element from the vector type instead of the first vector element.
2088 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2089 if all of its elements/components are constant.
2090 (build_constructor_from_list): Likewise.
2092 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2094 PR tree-optimization/27331
2095 * tree-data-ref.c (free_data_ref): New function.
2096 (create_data_ref): Fail if the data reference has unknown access
2098 (free_data_refs): Use free_data_ref.
2100 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2103 * tree-inline.c (setup_one_parameter): Strip useless
2104 type conversion before adding it to the IR.
2105 (declare_return_variable): Likewise.
2107 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2110 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2112 2006-06-19 Mike Stump <mrs@apple.com>
2114 * tree.c (variably_modified_type_p): VM arguments don't make the
2117 2006-06-19 Richard Guenther <rguenther@suse.de>
2119 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2120 type conversions after folding.
2122 2006-06-19 Richard Guenther <rguenther@suse.de>
2124 * ggc-page.c (extra_order_size_tab): Add entries with
2125 size of struct function and basic_block.
2126 (size_lookup): Extend to cover sizes up to 511.
2127 (ggc_alloc_stat): Adjust user.
2128 (ggc_pch_count_object): Likewise.
2129 (ggc_pch_alloc_object): Likewise.
2130 (ggc_pch_write_object): Likewise.
2132 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2134 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2135 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2138 2006-06-19 Denis Chertykov <denisc@overta.ru>
2140 * config/avr/libgcc.S : Correct my wrong previous commit.
2142 2006-06-19 Roger Sayle <roger@eyesopen.com>
2145 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2146 have stripped a SUBREG from the shift count, so we may need to
2147 convert_to_mode back to the type's mode before calling make_tree.
2148 Use new_amount instead of amount to avoid expanding a tree twice.
2150 2006-06-19 Richard Guenther <rguenther@suse.de>
2153 * fold-const.c (operand_equal_p): Check if the argument types
2154 have the same precision before stripping NOPs.
2156 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2158 Fix PR tree-optimization/27341
2159 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2161 * tree-complex.c (pass_lower_complex): Update SMT usage.
2163 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2165 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2166 Add a new alternative to the constraint strings. Add move of
2167 operand 1 to 3 to the splitter definition.
2168 ("doloop_si_long"): Second contraint alternative removed.
2170 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2172 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2173 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2175 (AVR_HAVE_MOVW) Define.
2176 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2177 (ASM_SPEC): Add avr25.
2178 (LINK_SPEC): Add avr25.
2179 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2180 (base_arch_s): Add new member 'have_movw_lpmx'.
2181 (avr_arch_types): Init 'have_movw_lpmx'.
2182 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2183 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2184 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2185 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2186 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2188 (avr_file_start): Do not output '.arh' derective.
2189 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2190 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2191 * config/avr/avr.md (mcu_enhanced): Delete.
2192 (mcu_have_movw): Define.
2193 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2194 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2195 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2196 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2197 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2198 attiny861 and at86rf401 devices.
2200 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2202 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2205 2006-06-17 Karl Berry <karl@gnu.org>
2207 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2208 doc/gccint.texi, doc/install.texi (@dircategory): Use
2209 "Software development" instead of "Programming", following
2210 the Free Software Directory.
2212 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2214 * config/i386/i386.c (legitimate_tls_address)
2215 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2216 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2217 (*tls_dynamic_gnu2_combine_64): Likewise.
2219 2006-06-16 Richard Guenther <rguenther@suse.de>
2222 * fold-const.c (negate_expr_p): Do not introduce undefined
2223 overflow in negating INTEGER_CSTs.
2224 (fold_negate_expr): Rename from negate_expr. Revert last
2225 change for folding BIT_NOT_EXPR. Change semantics to
2226 return NULL_TREE for non-simplified negations. Do not
2227 strip type conversions and unify type handling.
2228 (negate_expr): New function, wrap around fold_negate_expr
2229 but ensure building a tree always. Strip type conversions
2230 here, fold to result type.
2231 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2233 2006-06-16 Roger Sayle <roger@eyesopen.com>
2236 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2237 that (would) return their results in stack registers.
2239 2006-06-16 Michael Matz <matz@suse.de>
2240 Richard Guenther <rguenther@suse.de>
2242 * fold-const.c (fold_truthop): Only return new tree node if
2243 we canonicalized something.
2245 2006-06-16 Richard Guenther <rguenther@suse.de>
2247 * function.h (enum function_frequency): Move declaration
2248 out of struct function.
2249 (struct function): Move bool fields and the enum to the bitfield
2250 section. Reorder elements to avoid padding. Remove unused
2251 fields left over from the RTL inliner removal.
2252 * function.c (free_after_compilation): Do not zero removed fields.
2253 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2254 (ipa-type-escape.o): Likewise.
2256 2006-06-16 Richard Guenther <rguenther@suse.de>
2258 * cgraph.h (struct cgraph_local_info): Turn bool elements
2260 (struct cgraph_node): Likewise.
2261 (struct cgraph_varpool_node): Likewise.
2263 2006-06-15 Richard Guenther <rguenther@suse.de>
2265 * fold-const.c (fold_truth_not_expr): Rename from
2266 invert_truthvalue. Give it fold_* semantics to avoid
2268 (invert_truthvalue): New function. Wrapper around
2269 fold_truth_not_expr.
2270 (optimize_minmax_comparison): Avoid creating garbage.
2271 (fold_unary): Use fold_truth_not_expr for folding
2273 (fold_ternary): Replace uses of invert_truthvalue with
2274 fold_truth_not_expr where applicable.
2275 * tree.h (fold_truth_not_expr): Prototype.
2277 2006-06-16 Richard Guenther <rguenther@suse.de>
2279 PR tree-optimization/27781
2280 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2281 * ipa-pure-const.c (target.h): Include.
2282 (analyze_function): Do not analyze functions that do not
2285 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2288 * tree-dfa.c (referenced_vars_dup_list): Remove.
2289 (find_referenced_vars): Remove assert.
2290 (referenced_var_check_and_insert): Replace dup list with assert.
2291 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2292 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2294 2006-06-15 Richard Guenther <rguenther@suse.de>
2296 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2297 extra unused identifiers if not dumping.
2298 (create_variable_info_for): Likewise.
2300 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2302 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2303 (derive_constant_upper_bound): Derive more precise upper bound in
2304 common cases. Return type changed to double_int.
2305 (record_estimate): Reflect the changed return type of
2306 derive_constant_upper_bound.
2307 * double-int.c (double_int_zext, double_int_sext): Fix.
2309 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2311 * configure.ac (CFLAGS): Get them from the toplevel or from the
2312 configure invocation.
2313 * configure: Regenerate.
2314 * Makefile.in (CFLAGS): Substitute value provided by configure.
2316 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2319 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2320 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2321 rather than calling add_stmt on it.
2322 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2324 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2327 * reload1.c (reload): Remove registers returned by update_eliminables
2328 from used_spill_regs.
2330 2006-06-13 DJ Delorie <dj@redhat.com>
2332 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2334 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2336 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2337 html__strip_dir, html__mkdir_p. Enhance install-html target.
2338 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2339 * configure: Regenerate.
2341 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2343 * fold-const.c (fold_cond_expr_with_comparison): Check for
2344 Objective-C++ as language in deciding COND_EXPR transformation.
2346 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2349 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2350 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2351 * config/sh/lib1funcs.h (SL, SL1): Define.
2352 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2353 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2354 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2355 (OBJS_Os_4_200): New variable.
2356 ($(T)libgcc-Os-4-200.a): Use it.
2357 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2358 when dividing 1 and/or by 0.
2360 2006-06-13 Roger Sayle <roger@eyesopen.com>
2362 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2363 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2364 * configure: Regenerate.
2366 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2368 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2369 for real instruction.
2371 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2374 * haifa-sched.c (check_cfg): Handle special case.
2376 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2379 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2380 Add debug_info parameter. Chain the vars to the BLOCK instead
2381 of the BIND_EXPR if debug info are requested for them.
2382 (pop_gimplify_context): Adjust for above change.
2383 (gimple_add_tmp_var): Likewise.
2384 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2386 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2387 (convert_local_reference): Likewise.
2388 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2389 (finalize_nesting_tree_1): Request that debug info be emitted
2390 for debug_var_chain.
2392 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2394 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2395 for PR target/27863.
2397 2006-06-13 Richard Guenther <rguenther@suse.de>
2400 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2402 2006-06-13 Richard Guenther <rguenther@suse.de>
2404 PR tree-optimization/27830
2405 * tree-inline.c (copy_body_r): For copying the operand
2406 of an ADDR_EXPR make sure to fold &* afterwards.
2408 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2410 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2411 lvalues in the fb_none case with side-effects.
2413 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2415 * tree-flow.h: Remove the prototype for
2416 compute_phi_arg_on_exit.
2417 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2418 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2421 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2423 * builtins.c (expand_builtin_return_addr): Only use
2424 frame_pointer_rtx when count == 0 and we are expanding
2425 __builtin_return_address.
2427 2006-06-12 Fred Fish <fnf@specifix.com>
2429 * config/mips/mips.c (mips_file_start): Create special section
2430 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2432 2006-06-11 Eric Christopher <echristo@apple.com>
2435 * stor-layout.c (place_field): Remove check for
2436 remaining_in_alignment when aligning at the end of a run.
2438 2006-06-11 Eric Christopher <echristo@apple.com>
2441 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2444 2006-06-11 Roger Sayle <roger@eyesopen.com>
2447 Revert incorrect fix for PR target/27158
2448 2006-05-08 Roger Sayle <roger@eyesopen.com>
2449 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2450 of a reg_equiv_constant if the result is a legitimate constant.
2452 2006-06-11 Roger Sayle <roger@eyesopen.com>
2455 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2456 extract a CONST_VECTOR element and interpret it as an integer.
2457 (vspltis_constant): Use const_vector_elt_as_int instead of the
2458 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2459 * config/rs6000/predicates.md (easy_vector_const): Consider
2460 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2462 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2465 * stor-layout.c (update_alignment_for_field): Don't add extra
2466 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2469 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2471 * config/mips/t-rtems: Add EL/EB multilib variants.
2473 2006-06-09 Mike Stump <mrs@apple.com>
2475 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2477 2006-06-09 David Daney <ddaney@avtrex.com>
2479 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2481 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2483 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2485 2006-06-09 Richard Guenther <rguenther@suse.de>
2487 PR tree-optimization/26998
2488 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2489 of signed types, only TYPE_MIN_VALUE is special, but for both,
2490 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2491 in this case, as is -fwrapv.
2493 2006-06-08 Mike Stump <mrs@apple.com>
2496 * config/darwin.c (darwin_asm_output_anchor): Disable
2497 -fsection-anchors on darwin for now.
2498 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2499 * rs6000/rs6000.c (optimization_options): Likewise.
2501 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2504 * config/i386/i386.c (classify_argument): Skip fields with invalid
2507 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2509 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2510 (cse_insn): Likewise for the stack_pointer_rtx.
2512 2006-06-08 Roger Sayle <roger@eyesopen.com>
2514 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2515 conditions from floating point comparisons.
2517 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2520 * expmed.c (struct alg_hash_entry): Fix type of field T
2521 to match synth_mult argument.
2522 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2524 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2527 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2530 2006-06-08 Richard Guenther <rguenther@suse.de>
2533 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2534 only, if overflow is defined and not trapping.
2535 (negate_expr): Likewise.
2537 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2539 PR tree-optimization/27872
2540 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2541 flag on the new exit edge of the unrolled loop.
2543 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2545 PR rtl-optimization/26449
2546 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2548 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2551 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2552 referenced_variables with matching DECL_UID's.
2553 (find_referenced_vars): Make sure duplicate list is empty to start.
2554 (referenced_var_p): Remove.
2555 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2556 Check if var is in the list, and add if needed. Update the duplicate
2557 list if a different var is in the list with the same DECL_UID.
2558 (add_referenced_var): Call routine to check and insert.
2559 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2560 * tree-flow.h (referenced_vars_dup_list): External declaration.
2562 2006-06-07 Fred Fish <fnf@specifix.com>
2564 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2567 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2570 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2571 the imaginary and real parts of a clobbered register.
2572 Emit insn to set the imaginary part.
2574 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2576 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2577 in lieu of unwind-dw2-fde.c.
2579 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2581 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2583 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2586 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2587 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2588 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2589 V4SImode temporaries and operations instead.
2591 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2593 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2596 2006-06-06 Mike Stump <mrs@apple.com>
2598 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2599 installing during build.
2601 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2603 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2605 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2606 * config/ia64/ia64.c (params.h): New header.
2607 (ia64_optimization_options): New function to adjust parameters.
2608 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2609 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2610 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2612 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2614 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2616 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2619 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2621 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2622 Victor Kaplansky <victork@il.ibm.com>
2624 PR tree-optimization/26360
2625 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2628 2006-06-04 Roger Sayle <roger@eyesopen.com>
2629 Andrew Pinski <pinskia@physics.uc.edu>
2632 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2633 for LABEL_DECL before calling DECL_WEAK.
2636 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2637 LABEL_DECL and PARM_DECL.
2639 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2643 * c-decl.c (grokdeclarator): Disallow variably modified types at
2644 file scope. Avoid marking shared array type of constant size as
2647 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2650 * c-common.c (fold_offsetof_1): Handle static members.
2652 2006-06-04 Eric Christopher <echristo@apple.com>
2654 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2655 (debug_rli): Output value for remaining_in_alignment.
2656 (update_alignment_for_field): Unconditionalize
2657 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2658 extra alignment code.
2659 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2660 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2661 * tree.h (record_layout_info_s): Remove prev_packed.
2662 * doc/extend.texi (ms_struct): Add documentation of format.
2664 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2666 * tree.h: Declare folding_initializer.
2667 * builtins.c (fold_builtin_constant_p): Give definite answer
2668 if folding inside an initializer.
2669 * fold-const.c: Define folding_initializer.
2670 (START_FOLD_INIT): Save and then set folding_initializer.
2671 (END_FOLD_INIT): Restore folding_initializer.
2673 2006-06-04 Richard Guenther <rguenther@suse.de>
2675 PR tree-optimization/27039
2676 * fold-const.c (fold_comparison): Handle pointer comparison
2677 again for all comparison codes. Compare offsets in signed
2679 (fold_binary): Move code from here.
2681 2006-06-03 Roger Sayle <roger@eyesopen.com>
2684 * config/i386/i386.c (construct_container): Split static issued_error
2685 flag into issued_sse_arg_error, issued_sse_ret_error and
2686 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2687 requires the use of x87 registers and the user explicitly
2688 specified the -mno-80387 command line option.
2690 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2692 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2693 HAVE_DECL_SIGALTSTACK.
2695 (segv_handler): Use MC_FLD.
2696 * configure.ac: Check for a sigaltstack declaration.
2697 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2698 * configure: Regenerate.
2699 * config.in: Regenerate.
2701 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2704 * Makefile.in (stmp-fixinc): Fix typo.
2706 2006-06-02 Roger Sayle <roger@eyesopen.com>
2708 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2709 are type correct. Clean-up.
2710 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2711 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2713 2006-06-01 DJ Delorie <dj@redhat.com>
2715 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2716 shift, as we've disabled the "switch" insn that needs it.
2718 2006-06-01 Per Bothner <bothner@bothner.com>
2720 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2721 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2722 * c-ppoutput.c (cb_define): Don't increment line 0.
2724 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2726 * doc/invoke.texi: Add cpu_type power6.
2727 * config.gcc: Add cpu_type power6.
2728 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2729 to power5+ with Altivec.
2730 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2731 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2733 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2735 * config/avr/avr.h (SET_ASM_OP): Define.
2737 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2739 * config/bfin/bfin.c: Fix comment typos.
2741 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2744 * doc/install.texi: Document --enable-bootstrap and
2745 --disable-bootstrap.
2747 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2749 * doc/install.texi: Document that InfoZIP can replace jar.
2751 2006-05-31 Roger Sayle <roger@eyesopen.com>
2753 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2754 isn't available, directly generate the simpler x87 patterns without
2755 the (use (const_int 0)).
2756 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2757 implementation isn't available.
2758 (*negdf2_1): Likewise.
2759 (*negxf2_1): XF mode negation is always done using the x87.
2760 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2762 2006-05-31 Roger Sayle <roger@eyesopen.com>
2764 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2765 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2767 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2769 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2771 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2772 * config/bfin/bfin.c (basic-block.h): Include.
2773 (struct machine_function): New.
2774 (bfin_init_machine_status): New.
2775 (override_options): Initialize init_machine_status.
2776 (bfin_hardware_loop): New.
2777 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2778 (DEF_VEC_P (loop_info)): New.
2779 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2780 (struct loop_info): New.
2781 (loop_info): New typedef.
2782 (struct loop_work): New.
2783 (loop_work): New typedef.
2784 (DEF_VEC_O (loop_work)): New.
2785 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2786 (bfin_dump_loops): New.
2787 (bfin_bb_in_loop): New.
2788 (bfin_scan_loop): New.
2789 (bfin_optimize_loop): New.
2790 (bfin_reorg_loops): New.
2791 (bfin_reorg): Use bfin_reorg_loops.
2792 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2794 (I_REGNO_P): Simplify.
2795 (DP_REGNO_P, DPREG_P): New macros.
2796 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2797 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2798 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2799 Add LT_REGS, LC_REGS, LB_REGS.
2800 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2802 (REGNO_REG_CLASS): Deal with loop registers.
2803 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2805 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2806 New constants for loop registers.
2807 (UNSPEC_LSETUP_END): New.
2808 (seq_insns): New define_attr. Set it for appropriate insns.
2809 (movsi_insn): Add alternatives for move from/to
2810 loop count registers.
2811 (doloop_end): New define_expand.
2812 (loop_end): New define_insn.
2813 (define_split for bad doloop_end): New.
2814 (lsetup_with_autoinit): New define_insn.
2815 (lsetup_without_autoinit): New define_insn.
2816 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2817 * config/bfin/predicates.md (lc_register_operand): New.
2818 (lt_register_operand): New.
2819 (lb_register_operand): New.
2820 (nondp_register_operand): New.
2821 (nondp_reg_or_memory_operand): New.
2822 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2824 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2826 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2827 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2829 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2831 * Makefile.in (CATALOGS): Add po/ prefix.
2832 * configure: Regenerated.
2834 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2837 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2838 a shift operand before calling shift_op. Avoid redundant call of
2841 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2842 DJ Delorie <dj@redhat.com>
2844 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2845 we're inserting is a singlt-bit constant.
2847 2006-05-30 Roger Sayle <roger@eyesopen.com>
2849 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2850 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2852 2006-05-30 Roger Sayle <roger@eyesopen.com>
2854 PR tree-optimization/23452
2855 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2856 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2857 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2858 complex values and with -ffast-math for FP complex values.
2860 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2862 * c-common.h: Remove the prototype for yyparse.
2863 * rtl.h: Remove the prototype for init_loop.
2865 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2867 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2870 2006-05-30 Roger Sayle <roger@eyesopen.com>
2872 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2874 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2875 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2877 2006-05-30 Dirk Mueller <dmueller@suse.de>
2880 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2881 for CONSTANT_CLASS_P expresisons.
2883 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2886 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2888 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2890 PR tree-optimization/27779
2891 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2892 initial_condition instead of CHREC_LEFT.
2894 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2896 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2897 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2898 Make prototypes ISO C90.
2900 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2901 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2903 * see.c (see_analyze_one_def): Correct check.
2904 (see_get_extension_data): Check if extension is parallel.
2905 (see_get_extension_reg): Likewise.
2907 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2910 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2911 into register for (code == GTU).
2913 2006-05-29 Roger Sayle <roger@eyesopen.com>
2915 PR tree-optimization/24964
2916 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2917 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2918 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2919 abs(x)*abs(x) as x*x for scalar floating point modes.
2921 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2924 * lambda-code.c (perfect_nestify): Don't copy statements
2925 in the inner loop: move them to the inner loop header.
2927 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2930 * c-tree.texi: Document OpenMP directives and clauses.
2932 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2934 * varasm.c (globalize_decl): Fix indentation.
2936 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2939 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2940 pass_fre, pass_store_ccp, pass_copy_prop,
2941 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2942 pass_return_slot, pass_object_size, pass_lim,
2943 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2944 pass_loop_prefetch and pass_stdarg.
2946 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2948 * config/bfin/bfin.opt (mfdpic): New option.
2949 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2950 (EXTRA_MULTILIB_PARTS): Likewise.
2951 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2952 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2954 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2955 (CRT_CALL_STATIC_FUNCTION): New.
2956 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2958 (CRT_CALL_STATIC_FUNCTION): New.
2959 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2961 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2962 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2963 (initialize_trampoline): Changed to handle FD-PIC code generation.
2964 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2965 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2966 (override_options): Disallow -mid-shared-library -mfdpic combination.
2967 Can't do unaligned ops if FD-PIC.
2968 Turn off flag_pic if trying to generate non-id-shared-library
2969 non-fdpic code, since it's not supported.
2970 (bfin_assemble_integer): New function.
2971 (TARGET_ASM_INTEGER): Define.
2972 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2974 * config/bfin/crtn.s: Restore them.
2975 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2977 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2978 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2979 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2980 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2981 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2983 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2984 FDPIC_REGS and FDPIC_FPTR_REGS.
2985 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2986 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2987 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2988 (load_funcdescsi): New pattern.
2989 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2990 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2991 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2993 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2995 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2998 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3000 * tree-flow.h: Remove the prototype for add_type_alias.
3001 * tree-ssa-alias.c (add_type_alias): Remove.
3003 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3005 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3006 config/fr30/fr30.md, config/i386/i386-interix.h,
3007 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3008 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3009 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3010 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3011 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3012 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3013 Follow spelling conventions.
3014 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3015 Follow spelling conventions.
3017 2006-05-27 Richard Guenther <rguenther@suse.de>
3020 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3021 to produce a constant of value 1 of generic type.
3023 2006-05-27 Dirk Mueller <dmueller@suse.de>
3025 * cgraphunit.c (decide_is_function_needed): Fix wrong
3028 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3030 PR rtl-optimization/27661
3031 * reload.c (find_reloads): When reloading a VOIDmode constant
3032 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3033 use Pmode as mode of the reload register.
3035 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3037 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3038 is enabled at -O and above.
3040 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3043 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3046 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3049 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3050 for anonymous variables explicitly declared by front ends.
3052 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3054 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3055 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3056 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3057 ref-all pointers, run a finalization pass for them.
3058 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3059 (finalize_ref_all_pointers): New function.
3060 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3061 regular pointer type to a ref-all pointer type.
3062 (get_tmt_for): Return the special memory tag for ref-all pointers.
3064 2006-05-25 Richard Guenther <rguenther@suse.de>
3067 * fold-const.c (fold_binary): Do not look at the stripped
3068 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3070 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3072 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3073 for LT and GT if the computed range is effectively empty.
3075 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3078 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3079 mips_quad_format formats instead of ieee_single_format,
3080 ieee_double_format and ieee_quad_format formats, respectively.
3082 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3084 PR tree-optimization/27639
3085 PR tree-optimization/26719
3086 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3087 call to scev_probably_wraps_p.
3088 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3089 used_in_pointer_arithmetic_p, convert_step): Removed.
3090 (nowrap_type_p): New function.
3091 (scev_probably_wraps_p): Rewritten.
3092 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3093 chrec_convert if chrec_convert_aggressive might have been used.
3094 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3095 scev_direction): New functions.
3096 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3097 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3098 instead of convert_step.
3099 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3100 (convert_step): Declaration removed.
3101 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3103 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3105 * df-core.c: Added to header comments.
3106 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3107 df_ur_bb_info, df_urec_bb_info): Added comments.
3108 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3109 urec, ri problems): Fixed header comments.
3110 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3111 code from df_rd_transfer_function.
3113 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3115 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3116 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3117 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3119 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3121 * expr.c (undefined_operand_subword_p): New.
3122 (emit_move_multi_word): Do not generate move from undefined bits
3123 of a paradoxical subreg.
3125 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3127 PR rtl-optimization/27736
3128 * combine.c (replaced_rhs_value): New variable.
3129 (combine_instructions): Set it.
3130 (distribute_notes): When distributing a note in replaced_rhs_insn,
3131 check whether the value was used in replaced_rhs_value.
3133 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3136 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3137 add_referenced_var instead of add_referenced_tmp_var.
3138 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3139 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3141 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3142 tree_optimize_tail_calls_1): Use add_referenced_var.
3143 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3144 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3145 Use add_referenced_var.
3146 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3147 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3148 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3149 Use add_referenced_var.
3150 * tree-dfa.c (struct walk_state): Remove.
3151 (find_referenced_vars): Remove walk state and vars_found hash table.
3152 (make_rename_temp): Use add_referenced_var.
3153 (find_vars_r): Pass less parameters to add_referenced_var.
3154 (referenced_var_p): New. Is var in referenced_var hash table.
3155 (referenced_var_insert): Assert var isn't already in hash table.
3156 (add_referenced_var): Don't need walk_state parameter. Add var if it
3157 isn't already in the hash table.
3158 (add_referenced_tmp_var): Remove.
3159 (find_new_referenced_vars_1): Use add_referenced_var.
3160 * tree-ssa-pre.c (create_expression_by_pieces,
3161 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3162 Use add_referenced_var.
3163 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3164 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3165 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3167 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3168 vect_create_data_ref_ptr, vect_create_destination_var,
3169 vect_init_vector, vect_build_loop_niters,
3170 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3171 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3172 Use add_referenced_var.
3173 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3174 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3175 (add_referenced_var): Add prototype.
3176 * tree-ssa-structalias.c (get_constraint_for,
3177 intra_create_variable_infos): Use add_referenced_var.
3179 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3181 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3182 big-endian paradoxical subregs.
3183 * var-tracking.c (struct micro_operation_def): Document that,
3184 for modify micro operations, insn is the subsequent instruction.
3185 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3186 (var_reg_set, var_mem_set): ... new functions.
3187 (add_stores): Record subsequent insn.
3188 (compute_bb_dataflow): Use new functions for MO_USE.
3189 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3190 notes after the insn, and modify notes before the insn known
3191 to be the subsequent one.
3192 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3194 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3197 * config/i386/i386.c (ix86_expand_builtin): Use
3198 gen_sse3_monitor64 for TARGET_64BIT.
3200 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3202 PR rtl-optimization/26375
3203 PR rtl-optimization/26855
3204 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3206 (df_ru_bb_local_compute): Reversed statements and removed bogus
3207 comment explaining why they should be in wrong order.
3208 (df_ru_dump, df_rd_dump): Enhanced debug info.
3209 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3211 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3212 reaching uses and fixed space problem.
3214 2006-05-23 Jan Hubicka <jh@suse.cz>
3216 * cgraphunit.c (decide_is_function_needed): Also nested functions
3217 and functions declared inline can be optimized out at -O0.
3219 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3221 * doc/install.texi (Configuration): Remove reference to CrossGCC
3225 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3228 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3229 ix86_compare_emitted is non-NULL.
3231 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3234 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3237 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3239 PR rtl-optimization/25514
3240 * combine.c (replaced_rhs_insn): New variable.
3241 (combine_instructions): Set replaced_rhs_insn when trying to replace
3242 a SET_SRC with a REG_EQUAL note.
3243 (distribute_notes): Use replaced_rhs_insn when determining the live
3244 range of a REG_DEAD register.
3246 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3247 Anatoly Sokolov <aesok@post.ru>
3249 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3250 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3251 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3252 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3253 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3254 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3255 at90usb647, at90usb1286 and at90usb1287 devices.
3256 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3257 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3259 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3261 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3263 2006-05-22 Richard Guenther <rguenther@suse.de>
3266 2006-01-31 Richard Guenther <rguenther@suse.de>
3267 Paolo Bonzini <bonzini@gnu.org>
3269 * doc/install.texi (--disable-libgcc-math): Document.
3271 2006-05-22 Richard Guenther <rguenther@suse.de>
3274 2006-01-31 Richard Guenther <rguenther@suse.de>
3276 * doc/invoke.texi (-msselibm): Document.
3277 * target.h (expand_library_builtin): New target hook.
3278 * builtins.c (expand_builtin): Use expand_library_builtin.
3279 (default_expand_library_builtin): New function.
3280 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3281 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3282 (link_gcc_math_spec): Declare.
3283 (static_specs): Add link_gcc_math_spec.
3284 * expr.h (default_expand_library_builtin): Declare.
3285 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3286 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3287 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3288 * config/i386/i386.opt (msselibm): New target option.
3289 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3290 (ix86_init_sse_abi_builtins): New function.
3291 (ix86_expand_library_builtin): Likewise.
3292 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3293 (override_options): Handle error conditions wrt -msselibm.
3294 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3295 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3296 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3299 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3302 * c-common.c (self_promoting_args_p): Skip erroneous args.
3305 * c-decl.c (finish_struct): Skip erroneous fields.
3307 2006-05-22 Nick Clifton <nickc@redhat.com>
3309 * config/cris/cris.opt (march): Remove VarExists attribute.
3310 (max-stackframe=): Likewise.
3312 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3314 * doc/rtl.texi: Fix a typo.
3315 * see.c: Fix comment typos.
3317 * tree-ssa-structalias.h (alias_info): Remove num_references.
3319 2006-05-21 Mike Stump <mrs@apple.com>
3321 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3323 (darwin_pragma_options): Use BAD instead.
3324 (darwin_pragma_unused): Likewise.
3325 (darwin_pragma_ms_struct): Likewise.
3327 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3329 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3331 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3333 PR rtl-optimization/27671
3334 * simplify-rtx.c (simplify_relational_operation_1): Fix
3335 simplifications of (eq/ne (xor x y) y) and
3336 (eq/ne (xor x y) x).
3338 PR tree-optimization/26622.
3339 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3342 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3344 * tree-cfg.c: Prune whitespace.
3345 (debug_tree_cfg): Point to correct header containing the
3348 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3351 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3353 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3356 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3357 or sorry count is non zero.
3359 2006-05-20 Andreas Schwab <schwab@suse.de>
3361 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3363 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3364 Kenneth Zadeck <zadeck@naturalbridge.com>
3366 PR rtl-optimization/26855
3368 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3370 (df_scan_alloc): Added code to properly handle multiword hard
3371 registers and add all_blocks parameter.
3372 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3373 code to properly handle multiword hard registers.
3374 (df_rescan_blocks): Added code to remove deleted blocks from
3376 (df_ref_create_structure, df_ref_record): Added code to properly
3378 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3379 and set DF_REF_PARTIAL.
3380 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3381 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3382 (df_scan_add_problem): Added flags parameter.
3383 (df_ref_create_structure): Changed switching structure.
3384 (df_bb_refs_record): Fixed case where duplicate artificial refs
3385 were created. Changed location of flags.
3386 (df_record_entry_block_defs): Added code to make stack pointer
3387 live in entry block. Refined cases where frame pointer is needed.
3388 Changed location of flags.
3389 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3390 (df_set_state): Removed function.
3391 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3392 df_insn_create_insn_record, df_insn_refs_delete,
3393 df_ref_create_structure): Formatting changes.
3394 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3395 df_delete_basic_block): New function.
3396 (df_init): Changed location of flags.
3397 (df_add_problem): Added flags parameter and the way flags are
3399 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3400 debug_df_chain): Improved debugging output.
3401 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3402 (df_refs_chain_dump): Removed df parameter.
3403 (df_iterative_dataflow): Added consistency check.
3404 (df_prune_to_subcfg): Made public.
3405 (df_analyze_problem): Added blocks_to_init parameter and made
3407 (df_ref_record, df_bb_refs_record, df_mark_reg,
3408 df_record_exit_block_uses): Whitespace changes.
3409 (df_dump): Whitespace changes.
3410 * df.h: Some reordering to remove forward references.
3411 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3412 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3413 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3414 (dataflow.flags): New field.
3415 (df.flag): Deleted field.
3416 (df_alloc_function): Added additional bitmap parameter.
3417 (df_dependent_problem_function): New type.
3418 (df_problem.changeable_flags): New field.
3419 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3420 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3421 (df_mw_hardreg): New struct.
3422 (DF_INSN_UID_MWS): New macro.
3423 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3425 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3426 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3427 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3428 (df_set_state): Removed function.
3429 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3430 * df-problems.c (df_chain_dump): Removed df parameter.
3431 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3432 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3434 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3435 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3436 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3437 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3438 DF_REF_MUST_CLOBBER cases.
3439 (df_ru_bb_local_compute_process_def,
3440 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3441 df_lr_bb_local_compute, df_ur_bb_local_compute,
3442 df_chain_create_bb): Made subreg aware.
3443 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3444 df_lr_bb_local_compute, df_lr_bb_local_compute,
3445 df_chain_create_bb): Cleanup to use proper macros.
3446 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3447 code to fixup bitvectors.
3448 (df_ri_alloc): Cleared lifetime.
3449 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3450 df_create_unused_note): New function.
3451 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3452 REG_DEAD and REG_UNUSED notes as well as register information.
3453 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3454 df_chains_dump): Fixed crash if problem was never run.
3455 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3456 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3457 df_ri_add_problem): Processes flags in uniform manner.
3458 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3459 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3460 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3461 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3462 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3463 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3464 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3465 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3466 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3467 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3468 * see.c (see_initialize_data): Ditto.
3469 * final.c (rest_of_clean_state) Added regstack_completed.
3470 * rtl.h (regstack_completed): Ditto.
3471 * reg-stack.c (regstack_completed): Ditto.
3473 2006-05-19 Mike Stump <mrs@apple.com>
3475 * c-tree.h (default_conversion): Remove.
3476 * c-common.h (default_conversion): Add.
3478 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3480 * tree-vrp.c (valid_value_p): New function.
3481 (adjust_range_with_scev): Fail if the value of bound is not
3484 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3486 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3487 (mips_fallback_frame_state): Use syscall numbers to determine
3488 the appropriate li instruction for the current ABI. Only use
3489 __NR_sigreturn for o32.
3491 2006-05-19 Nicolas Setton <setton@adacore.com>
3493 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3494 * langhooks.c (lhd_dwarf_name): New function.
3495 * langhooks-def.h (lhd_dwarf_name): Declare.
3496 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3497 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3498 * ada/misc.c (gnat_dwarf_name): New function.
3499 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3501 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3503 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3505 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3506 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3507 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3508 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3509 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3510 determine the size of Wtype, etc.
3511 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3512 (swfloatfuncs): New variable.
3513 (dwfloatfuncs): Likewise.
3514 (lib2funcs): Remove floating-point conversion functions from
3515 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3516 the set of conversion routines needed. Allow entries to specify
3517 an object name, filename and word size. Update users accordingly.
3518 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3519 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3523 2006-02-08 Roger Sayle <roger@eyesopen.com>
3526 * config/fixtfdi.c: New libgcc source file.
3527 * config/fixunstfdi.c: New source file.
3528 * config/floatditf.c: New source file.
3529 * config/floatunditf.c: New souce file.
3530 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3531 files above instead of config/mips/_tilib.c.
3532 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3534 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3536 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3537 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3539 2006-05-18 Mike Stump <mrs@apple.com>
3541 Fix up vla, vm and [*] sematics.
3547 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3548 (c_vla_unspec_p): Add.
3549 (c_vla_type_p): Add.
3550 * c-decl.c (struct c_scope): Add had_vla_unspec.
3551 (build_array_declarator): Add support for [*].
3552 (grokdeclarator): Likewise.
3553 (grokparms): Likewise.
3554 (get_parm_info): Likewise.
3555 * c-objc-common.c (c_vla_unspec_p): Likewise.
3556 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3557 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3558 typeof when argument is a variably modified type not inside sizeof or alignof.
3559 (c_parser_direct_declarator_inner): Propagate errors.
3560 (c_parser_sizeof_expression): Add support for [*].
3561 (c_parser_parms_declarator): Initialize had_vla_unspec.
3562 (c_parser_parms_list_declarator): Likewise.
3563 * c-typeck.c (c_vla_type_p): Add.
3564 (composite_type): Add support for vla compositing.
3565 (comptypes_internal): Add support for vla compatibility.
3566 (c_expr_sizeof_expr): Evaluate vla arguments.
3567 * tree.c (variably_modified_type_p): Update comment for [*].
3569 2006-05-18 Michael Matz <matz@suse.de>
3572 * config.host: Make assignments to host_xmake_file cumulative.
3573 * config.host (*-darwin*): Test $host, not $target.
3575 2006-05-12 Stuart Hastings <stuart@apple.com>
3577 * config/i386/i386.opt (-mstackrealign): New flag.
3578 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3579 (ix86_handle_cconv_attribute): Emit error when
3580 force_align_arg_pointer attribute collides with too many regparms.
3581 (ix86_function_regparm): Limit regparms when used with
3582 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3583 Support stack-realigning prologue in non-main functions. Emit
3584 warning for nested functions under -mstackrealign, emit error for
3585 nested functions with force_align_arg_pointer attribute.
3586 * doc/extend.texi (force_align_arg_pointer): Document it.
3587 * doc/invoke.texi (-mstackrealign): Document it.
3589 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3591 PR rtl-optimization/27477
3592 * combine.c (try_combine): Don't split a parallel consisting
3593 of two sets into two individual sets if both sets reference
3596 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3598 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3599 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3601 * doc/options.texi (VarExists): Updated.
3603 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3605 * unwind-dw2.c: Add declarations for uw_update_context and
3607 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3608 detected, advance frame state and context once to skip over stub.
3610 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3614 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3615 Call rewrite_into_loop_closed_ssa only when something changed.
3616 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3617 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3618 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3619 Test for perfect_nest_p here. Fix formating.
3620 (replace_uses_equiv_to_x_with_y): Fix formating.
3621 (stmt_uses_op): Removed.
3622 (can_convert_to_perfect_nest): Removed loopivs parameter.
3623 Complete the test by checking the scalar dependences.
3624 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3627 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3630 From Dan Kegel <dank@kegel.com>:
3631 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3633 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3635 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3636 if the element type is variably modified without recursing.
3638 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3641 * tree-loop-linear.c (try_interchange_loops): Test for
3642 no data dependences.
3644 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3646 PR tree-optimization/27548
3647 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3648 range of ssa names that appear on abnormal edges.
3649 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3650 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3652 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3655 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3657 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3660 * tree.h (OMP_PARALLEL_COMBINED): Define.
3661 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3662 (new_omp_context): Add is_combined_parallel argument.
3663 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3664 new_omp_context caller.
3665 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3666 Adjust gimplify_scan_omp_clauses callers.
3667 (omp_is_private): Issue errors if iteration variable is firstprivate
3668 or reduction in the current context.
3669 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3670 on combined parallel workshare constructs.
3672 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3674 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3675 (gcc-options.o): New rule.
3677 * optc-gen.awk: Protect variables for gcc-options.o with
3678 #ifdef GCC_DRIVER/#endif.
3680 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3682 Fix PR tree-optimization/27373
3683 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3684 (forward_propagate_addr_expr): Update call.
3686 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3688 * doc/options.texi: Move the Negative option.
3690 2006-05-16 Richard Guenther <rguenther@suse.de>
3692 PR tree-optimization/22303
3693 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3695 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3696 ccp_fold did not simplify the statement.
3698 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3701 * Makefile.in (GCC_OBJS): New.
3702 (OBJS-common): Add opts-common.o.
3703 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3704 (cpp$(exeext)): Likewise.
3705 (gcc.o): Also depend on opts.h.
3706 (opts-common.o): New.
3708 * common.opt (gcoff): Add Negative(gdwarf-2).
3709 (gdwarf-2): Add Negative(gstabs).
3710 (gstabs): Add Negative(gstabs+).
3711 (gstabs+): Add Negative(gvms).
3712 (gvms): Add Negative(gxcoff).
3713 (gxcoff): Add Negative(gxcoff+).
3714 (gxcoff+): Add Negative(gcoff).
3715 * config/i386/i386.opt (m32): Add Negative(m64).
3716 (m64): Add Negative(m32).
3718 * doc/options.texi: Document the Negative option.
3720 * gcc.c: Include "opts.h".
3721 (main): Call prune_options after expandargv.
3723 * optc-gen.awk: Generate common declarations for all flag
3724 variables in options.c. Output the neg_index field.
3726 * opts.c (find_opt): Moved to ...
3727 * opts-common.c: Here. New file.
3729 * opts.h (cl_option): Add a neg_index field.
3731 (prune_options): Likewise.
3733 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3736 * omp-low.c (expand_omp_parallel): Don't assert
3737 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3738 instead search for it.
3741 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3744 2006-05-16 Andreas Schwab <schwab@suse.de>
3746 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3749 2006-05-15 Roger Sayle <roger@eyesopen.com>
3752 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3753 integer constants other than zero are only legitimate on TARGET_64BIT.
3754 <CONST_VECTOR> Only zero vectors are legitimate.
3755 (ix86_cannot_force_const_mem): Integral and vector constants can
3756 always be put in the constant pool.
3758 2006-05-16 DJ Delorie <dj@redhat.com>
3760 * crtstuff.c (__dso_handle): Set section from
3761 TARGET_LBIGCC_SDATA_SECTION if defined.
3762 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3763 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3765 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3768 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3771 2006-05-16 Ben Elliston <bje@au.ibm.com>
3773 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3775 2006-05-15 Per Bothner <per@bothner.com>
3777 * tree.c: (last_annotated_node): Use source_locus typedef.
3778 This permits bootstrapping with --enable-mapped-location.
3780 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3782 PR tree-optimization/26830
3783 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3784 (info_for_ssa_name, current_info_for_ssa_name_age,
3785 blocks_to_update): New variables.
3786 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3787 (clear_ssa_name_info, initialize_flags_in_bb,
3788 mark_block_for_update): New functions.
3789 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3790 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3791 prepare_def_site_for): Use mark_block_for_update.
3792 (mark_def_interesting): Assert that the processed block is marked in
3793 blocks_to_update. Do not take blocks argument.
3794 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3796 (rewrite_update_init_block, rewrite_update_stmt): Only process
3797 blocks with statements to rewrite.
3798 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3799 (update_ssa): Initialize and free blocks_to_update. Do not
3800 clear flags on statements. Do not use blocks bitmap.
3801 * tree.h (SSA_NAME_AUX): Removed.
3802 (struct tree_ssa_name): Removed aux field.
3803 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3805 2006-05-15 Richard Guenther <rguenther@suse.de>
3807 PR tree-optimization/27603
3808 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3809 Do computations in original type.
3811 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3813 * see.c: Code style changes such as redundant paranthesis,
3814 redundant intialization of local variables etc.
3815 (see_main): Declared now as static.
3816 * doc/invoke.texi: Update that -fsee is not enabled by
3819 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3821 * omp-low.c (check_omp_nesting_restrictions): New function.
3822 (scan_omp_1): Call it.
3825 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3826 construct, return *VAR.
3828 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3830 PR rtl-optimization/27406
3831 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3834 2006-05-14 Roger Sayle <roger@eyesopen.com>
3836 PR rtl-optimization/27538
3837 * combine.c (expand_compound_operation): Call gen_lowpart
3838 before calling simplify_shift_const.
3840 2006-05-14 Roger Sayle <roger@eyesopen.com>
3842 PR rtl-optimization/22563
3843 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3844 a fixed width bitfield, always force the intermediates into psuedos.
3846 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3849 * mkconfig.sh: Use operator = instead of == for test.
3851 2006-05-13 Nick Clifton <nickc@redhat.com>
3853 * dwarf2out.c (dbx_reg_number): Check return value from
3854 LEAF_REG_REMAP and only use it if it is valid.
3855 (multiple_reg_loc_descriptor): Likewise.
3857 2006-05-13 Richard Guenther <rguenther@suse.de>
3859 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3862 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3864 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3865 information attached to non-INSNs such as NOTEs.
3866 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3868 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3870 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3872 * config/s390/s390.md: Adjust comment describing On constraint.
3874 2006-05-11 Jan Hubicka <jh@suse.cz>
3876 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3877 to be output at -O0.
3879 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3882 * fold-const.c (size_binop): Move sanity check for arguments to
3883 the beginning of the function.
3886 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3889 2006-05-11 Richard Guenther <rguenther@suse.de>
3892 * fold-const.c (fold_unary): Handle intermediate conversion
3893 to a pointer type like intermediate conversion to an integer
3894 type in folding of (T1)(T2)var to var.
3895 Match the code to the comment in the final conversion for
3896 (T1)(T2)var to (T1)var regarding to type precision. Rather
3897 than disallow T1 being of pointer type, assert that both T1
3898 and var are of pointer type or not. Make sure not to fall
3899 over the frontends lazyness wrt array to pointer decay though.
3901 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3903 * arm.c (arm_struct_value_rtx): Delete.
3904 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3905 (arm_init_cumulative_args): Always initialize nregs to zero.
3907 2006-05-10 Richard Guenther <rguenther@suse.de>
3909 PR tree-optimization/27532
3910 * tree-object-size.c (plus_expr_object_size): Fix typo.
3912 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3915 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3916 ashrdi_const, ashrdi3): Use a scratch register.
3918 2006-05-10 Richard Guenther <rguenther@suse.de>
3920 PR tree-optimization/27302
3921 * fold-const.c (operand_equal_p): For two comparisons,
3922 try comparison of one comparison code swapped if that yields
3925 2006-05-10 Ben Elliston <bje@au.ibm.com>
3927 * tree-pretty-print.c (pretty_print_string): No need to handle
3928 '\0' as a special character.
3930 * tree.h: Include "hashtab.h".
3931 (iterative_hash_expr): Use hashval_t in its prototype.
3932 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3934 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3937 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3938 (hppa*64*-*-hpux11*): Ditto.
3939 (hppa[12]*-*-hpux11*): Ditto.
3941 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3944 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3946 2006-05-09 Michael Matz <matz@suse.de>
3948 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3949 host_extra_gcc_objs and host_xmake_file.
3950 (<*-*-linux*>): Don't overwrite host_xmake_file.
3951 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3952 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3953 (host_detect_local_cpu): Declare.
3954 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3955 * config/i386/i386.c (override_options): Handle -mtune=native
3957 * config/i386/x-i386: New file.
3958 * config/i386/driver-i386.c: New file.
3959 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3962 2006-05-09 Dirk Mueller <dmueller@suse.de>
3963 Richard Guenther <rguenther@suse.de>
3966 * fold-const.c (fold_read_from_constant_string): Relax check
3967 for matching types to matching modes.
3969 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3971 PR rtl-optimization/27335
3972 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3975 2006-05-08 Chao-ying Fu <fu@mips.com>
3976 Richard Sandiford <richard@codesourcery.com>
3978 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3979 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3980 * config/mips/mips.md (UNSPEC_SCC): New constant.
3981 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3982 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3983 (mips_emit_compare): Use it.
3984 (mips_expand_vcondv2sf): New function.
3986 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3988 Fix PR tree-optimization/27093
3989 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3990 renaming when they become not-used_alone.
3992 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3994 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3995 relocation and relocation stubs.
3997 2006-05-08 Eric Christopher <echristo@apple.com>
3999 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4002 2006-05-08 Jan Hubicka <jh@suse.cz>
4005 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4006 unused static functions are needed.
4008 2006-05-08 Roger Sayle <roger@eyesopen.com>
4011 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4012 of a reg_equiv_constant if the result is a legitimate constant.
4014 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4017 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4018 standard 80387 constants, raise the cost to prevent
4019 compress_float_constant() to generate load from memory.
4021 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4023 * config/arm/constraints.md (c): Fix a typo.
4025 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4028 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4031 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4033 (_mm_mwait): Likewise.
4035 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4037 (sse3_monitor): Make it 32bit only.
4038 (sse3_monitor64): New. 64bit monitor.
4040 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4043 * config/i386/i386.c (classify_argument): Skip fields with invalid
4046 2006-05-07 Richard Guenther <rguenther@suse.de>
4048 PR tree-optimization/27409
4049 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4050 Do not try to find zero-sized subvars.
4052 2006-05-07 Richard Guenther <rguenther@suse.de>
4054 PR tree-optimization/27136
4055 * tree-ssa-loop-niter.c (get_val_for): Correct function
4056 comment, assert requirements.
4057 (loop_niter_by_eval): Stop processing if the iterated
4058 value did not simplify.
4060 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4062 * opts.c (flag_see): remove its setting at -O3.
4064 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4066 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4067 * arm/constraints.md: New file.
4068 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4069 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4070 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4071 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4072 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4073 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4074 * arm.md: Include constraints.md.
4075 (thumb_movsi_insn): Use satisfies_constraint_J.
4076 (movhi, movqi): Use satisfies_constraint_I.
4078 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4080 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4081 for atmeg a645 device.
4083 2006-05-06 Richard Guenther <rguenther@suse.de>
4085 PR tree-optimization/27151
4086 * tree-vect-transform.c (vectorizable_condition): Punt on
4087 values that have a different type than the condition.
4089 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4092 * c-parser.c (c_parser_cast_expression): Only insert casts into
4093 hash table if pointer.
4094 * function.c (used_types_insert_helper): Rename from
4096 (used_types_insert): Call used_types_insert_helper.
4097 * function.h (used_types_insert): Accept only one argument.
4099 2006-05-05 David Edelsohn <edesohn@gnu.org>
4101 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4102 scratch with output modifier.
4104 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4107 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4108 with output modifier.
4110 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4113 * config/mips/mips.c (mips_symbolic_address_p): Return true
4114 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4115 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4117 2006-05-04 Richard Guenther <rguenther@suse.de>
4119 PR tree-optimization/14287
4120 PR tree-optimization/14844
4121 PR tree-optimization/19792
4122 PR tree-optimization/21608
4123 PR tree-optimization/27090
4124 * tree-ssa-pre.c (try_combine_conversion): New function.
4125 (compute_avail): After constructing the value-handle
4126 expression, use try_combine_conversion to combine NOP_EXPRs
4127 with previous value-handle expressions and use the result if it
4130 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4132 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4134 2006-05-04 Jan Hubicka <jh@suse.cz>
4137 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4139 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4141 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4142 that this only matches CONST_INTs. All users changed to VOIDmode
4145 * config/bfin/bfin.c: Include "optabs.h".
4146 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4148 (enum bfin_builtins): Add a number of fractional and vector builtins.
4149 (bfin_init_builtins): Likewise.
4150 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4151 (safe_vector_operand, bfin_expand_binop_builtin,
4152 bfin_expand_unop_builtin): New functions.
4153 (bfin_expand_builtin): Handle the new builtins.
4154 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4157 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4160 * Makefile.in (OBJS-common): Add see.o.
4161 (see.o): Add dependencies.
4162 * common.opt (fsee): New flag for the see optimization was added.
4163 * opts.c (flag_see): Initialized.
4164 * passes.c (init_optimization_passes, pass_see): New pass.
4165 * rtl.h (see_main): Declaration as extern.
4166 * timevar.def (TV_SEE): New.
4167 * tree-pass.h (pass_see): Declaration as extern.
4168 * invoke.texi (-fsee): Document.
4169 * recog.c (validate_simplify_insn): New function.
4170 * recog.h (validate_simplify_insn): Declaration as extern.
4171 * df-problems.c (df_chain_dump): Check for NULL.
4173 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4174 Daniel Berlin <dberlin@dberlin.org>
4176 * cfgrtl.c (insert_insn_bb_end_new): New function.
4177 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4179 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4181 * df.h (struct web_entry): Moved from web.c.
4182 (union_defs): Declaration as extern.
4183 (unionfind_root): Likewise.
4184 (unionfind_union): Likewise.
4185 * web.c (struct web_entry): Moved to df.h.
4186 (unionfind_root): Remove static declaration.
4187 (unionfind_union): Likewise.
4188 (union_defs): Likewise and generalize to use callback function.
4189 (web_main): Update arguments for union_defs function call.
4191 2006-05-04 Richard Guenther <rguenther@suse.de>
4193 PR tree-optimization/26447
4194 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4195 produce SSA_NAME copies before the store stmt to avoid
4196 breaking exception handling.
4198 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4201 * gimplify.c (omp_is_private): If var is shared in some outer context,
4202 return false instead of true. Stop searching on parallel context
4205 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4208 * coverage.c: Use get_gcov_unsigned_t() instead of
4209 unsigned_type_node all over.
4211 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4213 PR tree-optimization/27381
4214 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4215 maintain the same immediate_use links.
4216 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4217 node rather than segfaulting.
4219 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4222 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4223 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4224 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4226 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4228 Fix PR tree-optimization/26626
4229 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4231 * tree-ssa-operands.c (access_can_touch_variable): Allow
4232 typecasting through union pointers.
4234 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4237 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4238 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4239 to find if var will be a global variable even in the nested context.
4240 (omp_copy_decl): Only check for global variable at the end, it might
4241 be overridden in outer contexts.
4242 (scan_sharing_clauses): For global variables don't create a field.
4243 (lower_rec_input_clauses): Do nothing for global shared variables.
4244 Emit a barrier at the end of ILIST if there were any decls in both
4245 firstprivate and lastprivate clauses.
4246 (lower_send_clauses): Do nothing for global variables except for
4249 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4251 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4252 of the correct signedness is returned.
4254 2006-05-02 Jeff Law <law@redhat.com>
4256 PR tree-optimization/27364
4257 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4258 multiply expressions.
4260 2006-05-02 Tom Tromey <tromey@redhat.com>
4262 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4264 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4267 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4268 -mthumb -fPIC are used.
4270 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4271 Joshua Kinard <kumba@gentoo.org>
4274 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4275 with 64-bit pointers.
4277 2006-05-02 Paul Brook <paul@codesourcery.com>
4279 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4281 (create_fix_barrier): Check that a suitable barrier location is
4283 (arm_reorg): Include ftmp->address in allowable range of addresses.
4285 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4288 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4291 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4294 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4295 around RESULT_DECL for result passed by reference.
4296 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4297 * omp-low.c (use_pointer_for_field): Don't look at
4298 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4299 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4300 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4301 time or var for passing by reference for
4302 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4303 TREE_ADDRESSABLE variables when passing by reference.
4305 * omp-low.c (dump_omp_region): Fix output formatting.
4308 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4309 (expand_omp_parallel): Likewise.
4310 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4313 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4314 on statement list containing also constructors and destructors.
4315 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4318 * except.c (duplicate_eh_regions): Fix clearing of
4319 cfun->eh->region_array entries.
4321 2006-05-01 DJ Delorie <dj@redhat.com>
4323 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4325 (gcc_cv_objdump): Likewise.
4326 * configure: Regenerated.
4328 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4331 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4332 templates for case 3 and 4.
4334 2006-05-01 DJ Delorie <dj@redhat.com>
4336 * vec.c: Include bconfig.h when appropriate.
4337 * Makefile.in (build/vec.o): Adjust dependencies.
4338 * mkconfig.sh: Make sure config.h isn't used for build machine
4341 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4343 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4345 (mark_phi_for_rewrite): New function.
4346 (insert_phi_nodes_for, mark_use_interesting): Call
4347 mark_phi_for_rewrite.
4348 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4349 (update_ssa): Initialize and free phis_to_rewrite.
4351 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4353 PR rtl-optimization/27291
4354 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4355 folded to a constant.
4357 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4359 PR tree-optimization/27283
4360 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4361 not whole # of iteration descriptions.
4362 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4363 uses abnormal ssa name.
4364 (niter_for_single_dom_exit): Ditto.
4365 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4366 return just the number of iterations.
4368 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4370 PR tree-optimization/27144
4371 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4372 (record_estimate): Only record constant upper bound.
4373 (infer_loop_bounds_from_undefined): Call
4374 compute_estimated_nb_iterations just once.
4375 (proved_non_wrapping_p): Renamed to ...
4376 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4377 (convert_step_widening, scev_probably_wraps_p): Call
4378 n_of_executions_at_most instead of proved_non_wrapping_p.
4379 (substitute_in_loop_info): Do not replace values in bounds.
4380 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4383 2006-05-01 Richard Henderson <rth@redhat.com>
4386 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4387 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4390 2006-05-01 Roger Sayle <roger@eyesopen.com>
4392 * c-typeck.c (parser_build_binary_op): Don't call the function
4393 unsigned_conversion_warning to spot operand/result type overflow.
4394 (build_binary_op): Instead, call convert_and_check instead of
4395 convert to report the problem when the operands are promoted.
4396 * c-common.c (unsigned_conversion_warning): Make static.
4397 * c-common.h (unsigned_conversion_warning): Delete prototype.
4399 2006-05-01 Richard Guenther <rguenther@suse.de>
4401 PR tree-optimization/26726
4402 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4404 (find_interesting_uses_address): ... we work around here
4405 by folding INDIRECT_REFs in the substituted base.
4407 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4409 * omp-low.c (dump_omp_region): Add newlines.
4411 2006-04-30 Roger Sayle <roger@eyesopen.com>
4413 * common.opt (Woverflow): New command line option.
4414 * c-common.c (constant_expression_warning): Check warn_overflow.
4415 (overflow_waring): Pass OPT_Woverflow to warning.
4416 (unsigned_conversion_warning): Likewise.
4417 (convert_and_check): Likewise.
4418 * doc/invoke.texi: Document new command line option.
4420 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4422 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4423 TARGET_NO_FP_IN_TOC for section anchors.
4424 (optimization_options): Enable section anchors for all
4425 non-"Objective" languages.
4427 2006-04-28 Eric Christopher <echristo@apple.com>
4429 * config/darwin-c.c (darwin_ms_struct): Move this
4430 (darwin_set_default_type_attributes): and this...
4431 * config/darwin.c: ... here.
4432 * config/darwin.h (darwin_ms_struct): Declare.
4434 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4436 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4438 2006-04-28 Roger Sayle <roger@eyesopen.com>
4441 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4442 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4443 an unsigned HOST_WIDE_INT.
4444 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4446 (really_start_incremental_init): No need to call convert because
4447 bitsize_zero_node is already of type bitsizetype.
4448 (push_init_level): Extract the value of constructor_index as an
4449 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4450 (process_init_element): Likewise.
4452 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4454 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4455 value before passing to make_relative_prefix.
4457 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4460 * builtins.c (expand_builtin_memset): Expand val in original mode.
4462 2006-04-27 Eric Christopher <echristo@apple.com>
4464 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4465 with #ifndef/#endif.
4466 * config/darwin-c.c (darwin_ms_struct): New.
4467 (darwin_pragma_ms_struct): Ditto.
4468 (darwin_set_default_type_attributes): Ditto.
4469 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4470 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4471 Register ms_struct pragma.
4472 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4473 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4474 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4475 darwin_set_default_type_attributes if TARGET_MACHO.
4477 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4479 PR tree-optimization/26854
4480 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4481 * doc/tree-ssa.texi: Update immuse iterator documentation.
4482 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4483 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4484 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4485 first_safe_imm_use, next_safe_imm_use): Remove.
4486 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4487 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4488 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4489 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4490 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4491 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4492 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4493 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4494 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4495 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4496 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4497 (perfect_nestify): Use new iterator.
4498 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4500 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4501 (next_imm_name): New field in struct immediate_use_iterator_d.
4502 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4503 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4504 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4505 * tree-cfg.c (replace_uses_by): Use new iterator.
4506 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4507 * tree-ssa-operands.c (correct_use_link): Remove.
4508 (finalize_ssa_use_ops): No longer call correct_use_link.
4510 2006-04-27 Stuart Hastings <stuart@apple.com>
4512 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4513 * config/t-darwin (crt3.o): Use it.
4514 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4515 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4516 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4517 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4518 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4521 2006-04-27 Roger Sayle <roger@eyesopen.com>
4523 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4524 size, force the intermediate into a new pseudo rather instead of
4525 performing both a bitwise AND and a bitwise IOR in memory.
4527 2006-04-27 Richard Guenther <rguenther@suse.de>
4529 PR rtl-optimization/26685
4530 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4531 this one "max-flow-memory-locations".
4533 2006-04-27 Richard Guenther <rguenther@suse.de>
4535 PR tree-optimization/25148
4536 * tree-vrp.c (compare_values): Remove code dealing with
4537 comparisons against type min/max value. Honour overflow
4538 and negative constants in code dealing with comparisons
4539 of plus and minus expressions.
4540 (value_inside_range): Use fold_binary with LE_EXPR and
4541 GE_EXPR rather than compare_values.
4543 2006-04-27 Dirk Mueller <dmueller@suse.de>
4545 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4548 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4550 * basic-block.h (safe_insert_insn_on_edge): Removed.
4551 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4553 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4554 Paolo Bonzini <bonzini@gnu.org>
4557 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4558 (simplify_and_const_int): Same.
4560 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4562 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4564 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4567 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4568 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4569 cgraph_global_info_ready.
4572 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4575 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4576 either decl or init is error_mark_node.
4579 * tree-flow.h (struct omp_region): Add sched_kind.
4580 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4581 instead of extracting omp for data.
4582 (expand_omp_for): Save extracted sched_kind.
4584 2006-04-25 Roger Sayle <roger@eyesopen.com>
4586 * expmed.c (store_bit_field): Also check whether the bitsize is
4587 valid for the machine's "insv" instruction before moving the
4588 target into a pseudo for use with the insv.
4589 * config/i386/predicates.md (const8_operand): New predicate.
4590 * config/i386/i386.md (extv, extzv, insv): Use the new
4591 const8_operand predicate where appropriate.
4593 2006-04-25 DJ Delorie <dj@redhat.com>
4595 * doc/install.texi (Specific): Clarify that this is not a list of
4596 supported hosts or targets.
4598 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4600 PR rtl-optimization/26725
4601 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4602 block's BB_DIRTY flag.
4604 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4606 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4609 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4610 to print an integer.
4612 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4614 * varasm.c (align_variable): New function.
4615 (get_block_for_decl): Apply align_variable to DECL before
4616 calculating section information.
4617 (assemble_variable): Split out alignment computation.
4619 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4621 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4624 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4626 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4627 MODE_PARTIAL_INT mode.
4628 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4629 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4631 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4632 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4634 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4636 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4638 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4639 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4640 MACFLAG_IH): Likewise.
4641 (movstricthi_1): Renamed from "*movstricthi".
4642 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4643 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4644 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4645 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4646 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4647 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4648 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4649 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4650 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4651 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4652 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4653 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4654 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4655 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4656 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4658 * doc/rtl.texi (ss_ashift): Improve wording.
4660 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4662 * dwarf2out.c (verify_marks_clear): New.
4663 (prune_unused_types): Call verify_marks_clear initially, not
4666 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4668 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4669 * doc/rtl.texi: Document them.
4670 * simplify-rtx.c (simplify_unary_operation,
4671 simplify_binary_operation_1): Don't abort when we see them.
4673 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4676 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4677 * configure.ac: Completely disregard languages that are not
4679 * configure: Regenerated.
4681 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4682 Richard Guenther <rguenther@suse.de>
4684 PR tree-optimization/27236
4685 * tree-inline.c (copy_body_r): Make sure to copy
4686 TREE_THIS_VOLATILE flag.
4688 2006-04-24 Richard Guenther <rguenther@suse.de>
4691 * tree-complex.c (update_parameter_components): Don't handle
4692 unused parameters which have no default def.
4694 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4695 Richard Guenther <rguenther@suse.de>
4697 PR tree-optimization/27218
4698 * tree-inline.c (expand_call_inline): Strip useless type
4699 conversions for the return slot address.
4701 2006-04-24 Richard Guenther <rguenther@suse.de>
4703 * cfgloop.h (struct loops): Remove unused field array. Reorder
4705 (LOOP_PREFETCH): Remove.
4707 2006-04-24 Richard Guenther <rguenther@suse.de>
4709 PR tree-optimization/22525
4710 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4711 variable, adjust types of generated expressions.
4713 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4715 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4716 (tree-vect-patterns.o): Likewise.
4718 (cselib.o): Likewise.
4719 (loop-doloop.o): Likewise.
4720 (regclass.o): Likewise.
4721 (reload1.o): Likewise.
4722 (explow.o): Replace target.h with $(TARGET_H).
4723 (ipa-prop.o): Likewise.
4724 (ipa-cp.o): Likewise.
4725 (ipa-inline.o): Likewise.
4726 (reorg.o): Likewise.
4727 (reg-stack.o): Likewise.
4729 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4731 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4733 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4735 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4737 * configure.ac: Completely disregard languages that are not
4739 * configure: Regenerated.
4742 * c-common.h (c_build_bitfield_integer_type): Declare.
4743 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4744 * c-common.c (c_build_bitfield_integer_type): ... here.
4746 2006-04-23 Roger Sayle <roger@eyesopen.com>
4749 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4750 a SImode SUBREG of a floating point register after no_new_pseudos.
4752 2006-04-23 Roger Sayle <roger@eyesopen.com>
4754 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4755 identify potentially eliminable registers to additionally catch
4756 VIRTUAL_INCOMING_ARGS_REGNUM.
4757 (addsi3): Update the conditions on when to use addsi_small_int.
4759 2006-04-23 Roger Sayle <roger@eyesopen.com>
4762 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4763 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4764 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4766 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4768 * fold-const.c (range_predecessor): Use operand_equal_p
4769 as the predicate for equality.
4770 (range_successor): Likewise.
4772 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4775 * config/soft-fp/op-common.h: Fix a typo.
4777 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4780 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4781 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4783 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4785 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4787 * doc/tm.texi: Fix a typo.
4789 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4791 * dwarf2out.c (struct die_struct): Document that die_sib makes
4792 a circular linked list.
4793 (FOR_EACH_CHILD): New.
4794 (reverse_die_lists): Delete.
4795 (reverse_all_dies): Delete.
4796 (add_dwarf_attr): Correct documentation.
4797 (remove_child_with_prev): New.
4798 (remove_child_TAG): Update for change to die_struct, use
4799 remove_child_with_prev.
4800 (add_child_die): Update for change to die_struct.
4801 (splice_child_die): Use remove_child_with_prev and add_child_die.
4802 (print_die): Use FOR_EACH_CHILD.
4803 (die_checksum): Likewise.
4804 (assign_symbol_names): Likewise.
4805 (output_location_lists): Likewise.
4806 (build_abbrev_table): Likewise.
4807 (calc_die_sizes): Likewise.
4808 (mark_dies): Likewise.
4809 (unmark_dies): Likewise.
4810 (unmark_all_dies): Likewise.
4811 (output_die): Likewise.
4812 (prune_unused_types_mark): Likewise.
4813 (prune_unused_types_walk): Likewise.
4814 (same_die_p): Update for change to die_struct.
4815 (break_out_includes): Likewise.
4816 (prune_unused_types_prune): Likewise.
4817 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4818 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4820 (dwarf2out_finish): Don't call reverse_all_dies.
4822 2006-04-21 Eric Christopher <echristo@apple.com>
4824 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4825 in comments and function names.
4827 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4830 * c-typeck.c (digest_init): Robustify.
4832 * c-typeck.c (pop_init_level): Simplify.
4834 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4836 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4838 2006-04-21 Paul Brook <paul@codesourcery.com>
4840 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4841 hardware floating point.
4843 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4845 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4848 2006-04-21 Nick Clifton <nickc@redhat.com>
4850 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4853 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4856 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4857 C++ lang type in traceback table for Objective-C++.
4859 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4861 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4863 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4865 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4868 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4869 were errors. Remove check for erroneous objects.
4871 2006-04-20 Jeff Law <law@redhat.com>
4873 PR tree-optimization/26854
4874 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4875 checking for zero or one use.
4876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4877 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4878 * tree-ssa-reassoc.c (negate_value): Similarly.
4879 (reassociate_bb): Similarly.
4881 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4883 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4884 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4885 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4887 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4889 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4890 fp regs if the last fp arg doesn't fit in regs.
4892 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4895 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4896 that the last insn has the REG_INC note.
4898 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4899 Nathan Sidwell <nathan@codesourcery.com>
4902 * stor-layout.c (update_alignment_for_field): Do not align
4904 (place_union_field): Place union field at the start of the union.
4905 (place_field): Move ERROR_MARK check later, and use the current
4906 allocation position to maintain monotonicity.
4908 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4910 * dominance.c: Include timevar.h.
4911 (calculate_dominance_info): Use TV_DOMINANCE.
4912 * timevar.def (TV_DOMINANCE): New timevar.
4913 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4915 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4917 PR rtl-optimization/14261
4918 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4919 move would be an INSV insn.
4920 (noce_process_if_block): Don't optimize if the destination is a
4921 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4923 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4925 * config/s390/s390.md: Add comments with the instructions emitted
4926 by an insn pattern if macros are used.
4928 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4930 PR rtl-optimization/26026
4931 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4932 is a known power of two shifted left a variable amount.
4934 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4936 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4937 to hash table twice when the debug_str section has SECTION_MERGE.
4939 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4941 * config/soft-fp: New directory. From glibc.
4942 * config/soft-fp/t-softfp: New.
4943 * config/soft-fp/README: New.
4944 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4945 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4946 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4947 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4948 * config.gcc: Use rs6000/t-fprules-fpbit or
4949 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4951 * config/rs6000/sfp-machine.h: New. Based on glibc.
4952 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4954 * config/rs6000/t-fprules: Remove fp-bit rules.
4955 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4956 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4957 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4958 (softfp_wrap_start, softfp_wrap_end): New.
4960 2006-04-18 DJ Delorie <dj@redhat.com>
4962 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4964 2006-04-18 Devang Patel <dpatel@apple.com>
4966 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4968 2006-04-18 Nick Clifton <nickc@redhat.com>
4970 * config/sh/t-symbian: Add rule to build sh-c.o
4971 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4972 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4973 (sh_symbian_encode_section_info): Likewise.
4975 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4977 * builtins.c (expand_builtin_strcmp): Cover label definition of
4978 do_libcall with HAVE_cmpstrnsi.
4980 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4982 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4984 * function.h (temp_slot_p): New.
4985 (function): Change the type of x_used_temp_slots to
4986 VEC(temp_slot_p,gc) *.
4988 2006-04-18 Nick Clifton <nickc@redhat.com>
4990 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4991 flag_strength_reduce.
4993 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4995 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4999 Partial revert of revision 112637
5000 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5001 Dale Johannesen <dalej@apple.com>
5004 * regclass.c (struct reg_pref): Update documentation.
5005 (regclass): Set prefclass to NO_REGS if memory is the best option.
5006 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5008 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5010 PR tree-optimization/26821
5011 * tree-ssa-math-opts.c (get_constant_one): New.
5012 (insert_reciprocals): Use it.
5014 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5016 * dwarf2out.c (free_AT): Delete.
5017 (remove_AT): Update string ref counts.
5018 (remove_child_TAG): Don't call free_die.
5020 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5021 or DW_TAG_GNU_EINCL.
5022 (prune_unused_types_walk_attribs): Reset string refcounts.
5023 (prune_unused_types_update_strings): New.
5024 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5025 call free_die. Do call prune_unused_types_update_strings.
5026 (prune_unused_types): Empty debug_str_hash.
5028 2006-04-17 Roger Sayle <roger@eyesopen.com>
5030 * expr.c (expand_assignment): Optimize away no-op moves where the
5031 source and destination are equal and have no side-effects.
5033 2006-04-17 Richard Guenther <rguenther@suse.de>
5036 * reload.c (push_reload): Guard calls to get_secondary_mem
5039 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5041 * alias.c (reg_base_value, old_reg_base_value): Change the
5042 type to VEC(rtx,gc) *.
5043 (REG_BASE_VALUE, find_base_value, record_set,
5044 init_alias_analysis): Use VEC instead of VARRAY.
5046 * alias.c (alias_sets): Change the type to
5047 VEC(alias_set_entry,gc) *.
5048 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5049 VEC instead of VARRAY.
5050 (last_alias_set): Remove.
5052 * cgraph.h (cgraph_edge_p): New.
5053 Update the prototype of cgraph_function_versioning.
5054 * cgraphunit.c (cgraph_copy_node_for_versioning,
5055 cgraph_function_versioning): Use VEC instead of VARRAY.
5056 * ipa-cp.c (ipcp_insert_stage): Likewise.
5058 2006-04-16 Roger Sayle <roger@eyesopen.com>
5061 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5062 "A op B" or "A op C", we may need to convert A to the type of B and C.
5064 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5066 * target.h (struct gcc_target): Add mode_rep_extended.
5067 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5068 (init_num_sign_bit_copies_in_rep): Initialize it using
5070 (truncate_to_mode): Use it.
5071 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5072 * targhooks.h (default_mode_rep_extended): Declare it.
5073 * targhooks.c (default_mode_rep_extended): Define it.
5074 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5075 default_mode_rep_extended.
5076 (TARGET_INITIALIZER): Include it.
5077 * doc/tm.texi (Misc): Document it.
5078 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5079 (mips_truncated_to_mode): New function.
5081 2006-04-16 Roger Sayle <roger@eyesopen.com>
5084 * expr.c (compress_float_constant): Copy the narrow constant into
5085 a new pseudo before extending it to its final width.
5087 2006-04-16 Roger Sayle <roger@eyesopen.com>
5088 Andrew Pinski <pinskia@gcc.gnu.org>
5089 Dale Johannesen <dalej@apple.com>
5092 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5093 special case code to implement V8HImode and V16QImode with SSE2.
5095 2006-04-15 Roger Sayle <roger@eyesopen.com>
5097 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5098 trees are constructed with a suitable tree type.
5100 2006-04-15 Roger Sayle <roger@eyesopen.com>
5102 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5103 (integer_onep): Likewise.
5104 (integer_all_onesp): Likewise.
5105 (integer_pow2p): Likewise.
5106 (integer_nonzerop): Likewise.
5107 (real_zerop): Likewise.
5108 (real_onep): Likewise.
5109 (real_twop): Likewise.
5110 (real_minus_onep): Likewise.
5111 (int_size_in_bytes): Likewise.
5112 (host_integerp): Likewise.
5114 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5116 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5117 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5118 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5120 * tree-ssa-structalias.h (alias_info): Remove num_references.
5122 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5124 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5125 (output_bvb patterns): Likewise.
5126 * pa.c (output_bb): Use 'bb' insn for long branch case.
5127 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5128 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5129 1. Correct length operand for alternatives 1 and 2.
5130 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5131 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5133 2006-04-14 Roger Sayle <roger@eyesopen.com>
5135 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5136 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5137 were accidentally reverted by r112959.
5139 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5142 * except.h (eh_region_outermost): New prototype.
5143 * except.c (eh_region_outermost): New function.
5144 * tree-cfg.c (find_outermost_region_in_block): Use it.
5146 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5148 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5150 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5151 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5152 (init_reload, reload): Use VEC instead of VARRAY.
5153 * reload.h: Update the prototype for
5154 reg_equiv_memory_loc_varray.
5156 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5157 Eric Botcazou <ebotcazou@libertysurf.fr>
5159 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5162 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5165 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5166 to expand fallback builtin function call.
5168 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5171 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5172 and emit libcall here in case the builtin fails.
5173 (expand_builtin_strcmp): Always emit the libcall here on failure.
5175 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5177 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5178 * flow.c (reg_n_info): Change the type to
5179 VEC(reg_info_p,heap) *.
5180 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5182 * regs.h (reg_info_p): New.
5183 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5184 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5185 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5188 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5190 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5192 * params.h (MAX_SCHED_READY_INSNS): New macro.
5193 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5194 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5195 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5196 the ready list for 1 cycle during the first scheduling pass.
5197 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5199 2006-04-13 Richard Henderson <rth@redhat.com>
5202 * gimple-low.c (lower_omp_directive): Remove dead code.
5203 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5204 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5205 * omp-low.c (struct omp_region): Move to tree-flow.h.
5206 (root_omp_region): Export.
5207 (omp_regions, lookup_omp_region): Remove.
5208 (determine_parallel_type): Update for struct omp_region changes.
5209 (dump_omp_region): Dump regions with block numbers.
5210 (new_omp_region): Take type and block instead of stmt; malloc
5212 (free_omp_region_1, free_omp_regions): New.
5213 (expand_parallel_call): Take entry_stmt as argument; update for
5214 changes to omp_region.
5215 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5216 (remove_exit_barriers): New.
5217 (expand_omp_parallel): Update for struct omp_region changes.
5218 (expand_omp_synch): Likewise.
5219 (expand_omp): Likewise.
5220 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5221 (expand_omp_for_static_chunk): Likewise.
5222 (expand_omp_for): Likewise.
5223 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5224 (expand_omp_sections): Similarly, with GOMP_sections_end.
5225 (expand_omp_single): New.
5226 (build_omp_regions_1): Update for OMP_CONTINUE.
5227 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5228 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5229 OMP_SECTIONS_SECTIONS.
5230 (lower_omp_single_simple): Don't emit barrier here.
5231 (lower_omp_single_copy): Likewise.
5232 (lower_omp_single): Fix bindings, and lower to straightline now.
5233 (lower_omp_master, lower_omp_ordered): Likewise.
5234 (lower_omp_critical): Likewise.
5235 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5236 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5237 omp edges, free it afterward.
5238 (make_omp_sections_edges): Remove.
5239 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5240 (move_stmt_r): Handle OMP_CONTINUE.
5241 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5242 statement pointers to basic blocks. Add type member.
5243 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5244 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5245 * tree-inline.c (estimate_num_insns_1): Likewise.
5246 * tree-pretty-print.c (dump_generic_node): Likewise.
5247 * tree-ssa-operands.c (get_expr_operands): Likewise.
5248 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5249 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5250 (OMP_CONTINUE): New.
5251 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5252 (OMP_SECTIONS_SECTIONS): Remove.
5253 (OMP_SECTION_LAST): New.
5254 (OMP_RETURN_NOWAIT): New.
5256 2006-04-13 Roger Sayle <roger@eyesopen.com>
5258 * fold-const.c (native_encode_vector, native_interpret_real):
5259 Correct obvious mistakes in the previous check-in.
5261 2006-04-13 Roger Sayle <roger@eyesopen.com>
5263 * fold-const.c (native_encode_expr): New function to encode
5264 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5265 or VECTOR_CST into a specified buffer.
5266 (native_encode_int): New function.
5267 (native_encode_real): New function.
5268 (native_encode_complex): New function.
5269 (native_encode_vector): New function.
5270 (native_interpret_expr): Inverse of native_encode_expr to convert
5271 a target representation into an INTEGER_CST, REAL_CST etc...
5272 (native_interpret_int): New function.
5273 (native_interpret_real): New function.
5274 (native_interpret_complex): New function.
5275 (native_interpret_vector): New function.
5276 (fold_view_convert_expr): New function to constant fold/evaluate
5277 a VIEW_CONVERT_EXPR of a suitable constant expression.
5278 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5279 Change call of build1 to fold_build1 when constructing a
5282 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5283 Ulrich Weigand <uweigand@de.ibm.com>
5286 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5289 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5292 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5293 optimize to lo_sum for DFmode if !TARGET_FPRS.
5295 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5297 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5298 delete_alias_info, compute_flow_sensitive_aliasing,
5299 group_aliases): Use VEC instead of VARRAY.
5300 * tree-ssa-structalias.c (update_alias_info): Likewise.
5301 * tree-ssa-structalias.h (alias_info): Change the type of
5302 processed_ptrs to VEC(tree,heap) *.
5304 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5307 * config/sh/lib1funcs.h: New file, broken out of:
5308 * config/sh/lib1funcs.asm.
5309 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5311 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5312 * config/sh/lib1funcs-Os-4-200.asm: New file.
5313 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5314 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5315 (EXTRA_MULTILIB_PARTS): Include it.
5316 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5317 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5318 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5319 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5322 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5324 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5325 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5326 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5328 * tree-ssa-live.h: Include vecprim.h.
5329 (tree_partition_associator_d): Change the type of
5330 first_partition to VEC(int,heap) *.
5331 (tpa_first_partition): Use VEC instead of VARRAY.
5333 * Makefile.in (GTFILES): Move functions.h after tree.h.
5334 * function.c (reset_block_changes, record_block_change,
5335 check_block_change, free_block_changes): Use VEC instead of
5337 * function.h (function): Change the type of
5338 ib_boundaries_block to VEC(tree,gc) *.
5339 * tree-inline.c (copy_cfg_body): Initialize
5340 ib_boundaries_block to NULL instead of (varray_type) 0.
5342 2006-04-12 Roger Sayle <roger@eyesopen.com>
5344 * expr.c (emit_group_store): Correct operand order in call to
5345 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5346 a SUBREG_BYTE of zero.
5348 2006-04-12 Richard Guenther <rguenther@suse.de>
5350 * profile.c (compute_branch_probabilities): Remove code
5351 encapsulated in !ir_type (), which are remanents of the
5352 removed RTL profiling code.
5353 * rtl-profile.c: Remove.
5355 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5357 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5358 magic NULL_RTX comment.
5359 (function_arg): Store entire fp arg to mem if any part should go
5361 (rs6000_arg_partial_bytes): Adjust for above change.
5363 2006-04-11 Roger Sayle <roger@eyesopen.com>
5365 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5366 if it hasn't been initialized by dwarf2out_init.
5368 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5370 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5371 symbolic constants in branch patterns.
5373 2006-04-11 Roger Sayle <roger@eyesopen.com>
5375 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5377 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5379 PR rtl-optimization/27073
5380 * gcse.c (try_replace_reg): Revert last change. Continue to search
5381 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5384 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5386 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5387 aggregate types other than record and union types.
5388 (function_arg): Likewise.
5389 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5391 (function_value): In 64-bit mode, return objects that require it
5394 2006-04-11 Roger Sayle <roger@eyesopen.com>
5396 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5398 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5400 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5402 2006-04-03 Jeff Law <law@redhat.com>
5405 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5406 alias information too.
5408 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5410 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5412 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5415 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5416 (premark_used_types_helper): New.
5417 (premark_used_types): New.
5418 (gen_subprogram_die): Call premark_used_types.
5419 (prune_unused_types_walk): Do not prune perennial dies.
5420 * function.c (used_types_insert): New.
5421 * function.h (struct function): Add used_types_hash field.
5422 (used_types_insert): Add prototype.
5423 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5424 * c-parser.c (c_parser_cast_expression): Save casted types in used
5427 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5430 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5431 rs6000_explicit_options.float_gprs.
5433 2006-04-10 Roger Sayle <roger@eyesopen.com>
5435 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5436 from ix86_expand_vector_init_low_nonzero. Take an additional
5437 one_var argument indicating which element is non-zero. Support
5438 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5439 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5440 with one_var instead of ix86_expand_vector_init_low_nonzero.
5442 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5444 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5445 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5446 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5447 build/genextract.o): Depend on vecprim.h.
5448 * cfglayout.c, df-problems.c, function.c, genextract.c,
5449 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5450 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5454 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5456 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5457 Declare VECs of this type.
5458 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5459 (remove_children): Delete.
5460 (add_dwarf_attr): Use VEC routines.
5461 (add_AT_flag): Update for changes to add_dwarf_attr.
5462 (add_AT_int): Likewise.
5463 (add_AT_unsigned): Likewise.
5464 (add_AT_long_long): Likewise.
5465 (add_AT_vec): Likewise.
5466 (add_AT_string): Likewise.
5467 (add_AT_die_ref): Likewise.
5468 (add_AT_fde_ref): Likewise.
5469 (add_AT_loc): Likewise.
5470 (add_AT_loc_list): Likewise.
5471 (add_AT_addr): Likewise.
5472 (add_AT_lbl_id): Likewise.
5473 (add_AT_lineptr): Likewise.
5474 (add_AT_macptr): Likewise.
5475 (add_AT_offset): Likewise.
5476 (add_AT_range_list): Likewise.
5477 (get_AT): Use VEC_iterate.
5478 (remove_AT): Use VEC_ordered_remove.
5479 (free_die): Fold remove_children into here; have it use VEC_iterate.
5480 (print_die): Use VEC_iterate on attrs.
5481 (reverse_die_lists): Don't reverse attr lists.
5482 (die_checksum): Use VEC_iterate on attrs.
5483 (same_die_p): Likewise.
5484 (output_location_lists): Likewise.
5485 (build_abbrev_table): Likewise.
5486 (size_of_die): Likewise.
5487 (unmark_all_dies): Likewise.
5488 (output_abbrev_section): Likewise.
5489 (output_die): Likewise.
5490 (prune_unused_types_walk_attribs): Likewise.
5492 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5494 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5496 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5499 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5501 2006-04-09 Roger Sayle <roger@eyesopen.com>
5503 * expr.c (store_constructor): Don't bother clearing target if
5504 we're about to assign a vector to it using vec_init_optab.
5506 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5508 * tree-ssa-alias.c (lhs_may_store_to): New function.
5509 (recalculate_used_alone): Handle LHS of calls.
5511 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5515 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5516 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5517 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5518 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5519 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5520 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5521 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5522 stubs. Add ".align 8" directives before all ".dword" directives.
5523 (GTHREAD_USE_WEAK): Revise comment.
5524 (TARGET_ATTRIBUTE_WEAK): Define.
5525 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5526 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5527 * stublib.c: New file.
5532 * pa.md (cbranch patterns): Revise arguments used in calls to
5533 output_cbranch, output_bb and output_bvd. Add long branch length
5535 (fbranch patterns): Handle long branches.
5536 (jump): Revise length check. Revise arguments for output_lbranch call.
5537 Add long branch length attributes.
5538 (decrement_and_branch_until_zero): Add long branch length attributes.
5539 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5540 Likewise. Revise arguments for output_parallel_addb and
5541 output_parallel_movb calls.
5542 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5543 output_parallel_movb and output_parallel_addb): Update prototypes.
5544 * pa.c (output_cbranch): Revise arguments. Correct handling of
5545 nullification in long branches.
5546 (output_lbranch): Add new argument to control extraction of delay
5548 (output_bb): Handle long branches.
5549 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5550 output_parallel_addb): Likewise.
5552 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5554 PR rtl-optimization/27073
5555 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5558 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5560 * tree.h (tree_memory_tag): Add old_used_alone.
5561 (SMT_OLD_USED_ALONE): New macro.
5562 * tree-ssa-alias.c (recalculate_used_alone): Stop
5563 marking things for renaming unnecessarily.
5565 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5567 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5568 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5569 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5570 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5571 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5572 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5573 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5574 spelling convensions.
5575 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5576 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5577 typos. Follow spelling conventions.
5579 2006-04-07 DJ Delorie <dj@redhat.com>
5581 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5582 passed on the stack.
5583 (m32c_init_cumulative_args): When a function returns a structure,
5584 always pass the pointer to that return area on the stack.
5585 (m32c_function_arg_advance): Don't increment the parameter number
5586 if we're processing the returned structure pointer.
5587 (pushm_info): Reverse order of registers.
5589 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5591 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5592 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5593 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5594 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5596 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5597 chrec_fold_multiply): Same.
5598 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5599 force_expr_to_var_cost): Same.
5600 * tree-mudflap.c (mf_xform_derefs_1): Same.
5601 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5603 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5605 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5606 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5609 2006-04-07 Jan Hubicka <jh@suse.cz>
5611 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5613 2006-04-07 Richard Guenther <rguenther@suse.de>
5615 PR tree-optimization/26135
5616 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5617 loads for store copy-prop.
5618 (copy_prop_visit_stmt): Likewise.
5620 2006-04-05 Robert Millan <robertmh@gnu.org>
5622 * config/i386/linux.h: Add a comment to mark macros that are
5623 being overriden in config/k*bsd-gnu.h.
5624 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5626 * config/knetbsd-gnu.h: Ditto.
5628 2006-04-06 Jan Hubicka <jh@suse.cz>
5632 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5635 2006-04-06 Mike Stump <mrs@apple.com>
5637 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5638 for HAVE_nonlocal_goto to be consistent.
5639 (expand_builtin_nonlocal_goto): Likewise.
5640 (expand_builtin_strcmp): Use #ifdef instead of #if
5641 for HAVE_cmpstrnsi to be consistent.
5643 2006-04-05 DJ Delorie <dj@redhat.com>
5645 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5648 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5650 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5651 got-relative addressing for anything but SImode.
5653 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5654 even if the calling function doesn't modify them.
5656 2006-04-05 Richard Guenther <rguenther@suse.de>
5658 PR tree-optimization/26919
5659 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5660 to cgraph_estimate_size_after_inlining.
5662 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5664 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5666 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5668 PR tree-optimization/26996
5669 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5670 VECTOR_TYPE variables.
5672 2006-04-05 Richard Guenther <rguenther@suse.de>
5674 PR tree-optimization/26763
5675 * fold-const.c (fold_comparison): Move folding of
5676 PTR + CST CMP PTR + CST ...
5677 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5679 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5681 * doc/install.texi (Prerequisites): Refine some wording on
5682 bootstrapping and ksh.
5683 Move the version numbers of DejaGnu here from the testing section
5684 and fix casing of names.
5685 Fix markup and clarify wording for autogen requirements.
5686 Refer to GCJ instead of just java.
5687 Refer to SVN instead of CVS.
5688 Describe diffutils as useful instead of necessary.
5689 (Downloading the source): Refer to SVN instead of CVS.
5690 Adjust a link to our web site accordingly.
5691 (Configuration): Fix casing of Bison.
5692 (Building): Refer to SVN instead of CVS.
5693 Fix a sentence on the use of Bison and remove duplicate (and
5694 incorrect) version number of Bison requirement.
5695 Remove one redundant list of packages needed for building.
5696 (Specific): Avoid reference to CVS.
5698 2006-04-04 Eric Christopher <echristo@apple.com>
5700 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5701 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5702 (rs6000_handle_struct_attribute): New.
5703 (rs6000_ms_bitfield_layout_p): Ditto.
5705 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5707 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5708 NULL for dso parameter to atexit_common.
5710 2006-04-04 Eric Christopher <echristo@apple.com>
5712 * config/i386/i386.c (machopic_output_stub): Output \t
5713 between instructions and operands.
5715 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5717 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5718 satisfies_constraint_[IL] to explicit tests on value.
5720 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5722 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5723 set_nb_iterations_in_loop): Use build_int_cst instead of
5725 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5726 build_int_cst instead of convert.
5728 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5730 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5731 new value 2 for incoming.
5732 * function.c (expand_function_start): Call struct_value_rtx
5734 * config/sparc/sparc.md: Comment updated_return.
5735 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5736 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5737 struct return if sparc_std_struct_return and incoming is 2.
5738 (print_operand): Do not adjust return if
5739 sparc_std_struct_return.
5741 2006-04-04 Roger Sayle <roger@eyesopen.com>
5743 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5744 convert in the middle-end.
5745 * expr.c (store_expr, store_constructor, get_inner_reference,
5746 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5748 * tree.c (build_range_type): Likewise.
5750 2006-04-04 Tom Tromey <tromey@redhat.com>
5752 * doc/install.texi (Prerequisites): Mention jar.
5754 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5756 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5759 2006-04-04 Matthias Klose <doko@debian.org>
5761 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5762 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5765 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5767 * doc/extend.texi (Function Attributes): Rewrite visibility
5768 attribute documentation.
5769 * doc/invoke.texi (C++ Dialect Options): Rewrite
5770 -fvisibility-inlines-hidden documentation to describe something
5771 entirely different, although in practise compatible.
5772 (Code Gen Options): Warn about system headers in -fvisibility=
5775 * doc/extend.texi (Other Builtins): Document that
5776 __builtin_nan is a compile-time constant only when its argument
5779 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5781 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5782 trying to remove TRUNCATE check if all bits outside the new mode
5783 are identical to the sign bit.
5785 2006-04-03 Jeff Law <law@redhat.com>
5787 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5788 and operand scanning in some common cases.
5790 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5791 Dale Johannesen <dalej@apple.com>
5794 * regclass.c (struct reg_pref): Update documentation.
5795 (regclass): Set prefclass to NO_REGS if memory is the best option.
5796 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5797 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5798 into account. For non-registers, equate an empty preferred
5799 reload class to a `!' in the constraint; move the if clause to
5800 do so after those that reject the insn.
5801 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5803 (find_dummy_reload): Likewise.
5804 * doc/tm.texi (Register Classes): Document what it means
5805 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5806 * config/i386/i386.c (ix86_preferred_reload_class): Force
5807 using SSE registers (and return NO_REGS for floating-point
5808 constants) if math is done with SSE.
5809 (ix86_preferred_output_reload_class): New.
5810 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5811 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5812 * config/i386/i386.md: Remove # register preferences.
5814 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5817 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5818 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5819 the type of nb_iter.
5820 (instantiate_parameters_1): Convert the operands before calling
5821 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5822 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5824 2006-04-02 Roger Sayle <roger@eyesopen.com>
5826 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5827 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5829 * dojump.c (do_jump): Likewise.
5830 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5831 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5832 gimplify_boolean_expr): Likewise.
5833 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5834 * varasm.c (array_size_for_constructor): Likewise.
5835 * tree-object-size.c (compute_object_offset): Likewise.
5837 2006-04-02 Roger Sayle <roger@eyesopen.com>
5840 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5841 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5843 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5845 PR tree-optimization/26939
5846 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5848 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5850 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5851 at_stmt. Convert the type of operands before calling
5852 build_polynomial_chrec.
5853 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5855 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5856 (instantiate_parameters_1): Convert the type of operands before calling
5857 build_polynomial_chrec.
5858 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5859 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5860 reset_evolution_in_loop): Insert asserts to check the types of the
5862 (chrec_type): Moved...
5863 (eq_evolutions_p): Use operand_equal_p.
5864 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5865 the types of the operands.
5866 (chrec_type): ...here.
5867 * tree-data-ref.c (create_data_ref): Convert the operands before
5868 calling chrec_replace_initial_condition.
5869 (same_access_functions, analyze_subscript_affine_affine,
5870 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5871 (compute_subscript_distance, analyze_ziv_subscript,
5872 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5873 analyze_miv_subscript): Convert the operands before calling
5874 chrec_fold_minus or chrec_fold_plus.
5876 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5878 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5879 the dependence_relations vector.
5880 (compute_data_dependences_for_loop): Adjust call to
5881 compute_all_dependences.
5883 2006-04-01 Roger Sayle <roger@eyesopen.com>
5884 Richard Henderson <rth@redhat.com>
5886 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5887 gimple_boolify on the condition before calling gimplify_expr.
5889 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5891 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5892 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5893 the frame size. Update to use the new macros.
5894 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5895 * config/xtensa/ieee754-df.S: Likewise.
5897 2006-03-31 Richard Henderson <rth@redhat.com>
5899 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5900 (make_edges): ... here. Control fallthru creation with a local
5901 variable. Do not play with fake edges.
5902 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5903 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5906 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5908 * dwarf2.h (DW64_CIE_ID): Define.
5909 * dwarf2out.c (DWARF_CIE_ID): Define.
5910 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5911 length header. Use DWARF_CIE_ID.
5912 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5913 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5915 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5917 * config/sh/linux-atomic.asm: New file.
5918 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5920 2006-03-31 DJ Delorie <dj@redhat.com>
5922 * config/m32c/cond.md: Set condition flags properly throughout.
5923 * config/m32c/minmax.md: Likewise.
5924 * config/m32c/prologue.md: Likewise.
5925 * config/m32c/bitops.md: Likewise.
5926 * config/m32c/muldiv.md: Likewise.
5927 * config/m32c/mov.md: Likewise.
5928 * config/m32c/addsub.md: Likewise.
5929 * config/m32c/m32c.md: Likewise.
5930 * config/m32c/jump.md: Likewise.
5931 * config/m32c/shift.md: Likewise.
5933 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5934 conditionally output the pattern for this.
5935 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5936 (m32c_compare_redundant): New.
5937 (m32c_output_compare): New.
5938 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5940 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5941 dest, not src. Allow other 4-byte modes.
5943 2006-03-30 Denis Chertykov <denisc@overta.ru>
5945 * doc/md.texi: Refer to avr/constraints.md instead of
5948 2006-03-30 Roger Sayle <roger@eyesopen.com>
5950 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5951 signed vs. unsigned comparison failures on some hosts.
5953 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5956 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5957 change to FLOAT_REGS.
5959 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5960 (rs6000_override_options): Use it.
5961 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5962 only for -mabi=spe/no-spe and -mabi=altivec.
5964 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5966 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5969 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5971 * Makefile.in: Rename docdir to gcc_docdir.
5973 2006-03-30 Roger Sayle <roger@eyesopen.com>
5976 * expr.c (emit_group_store): Optimize group stores into a pseudo
5977 register by using a paradoxical subreg to initialize the destination
5978 if the first or last member of the group specifies a "low part".
5980 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5983 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5984 * target.h (struct gcc_target.speculate_insn): Change type of the
5985 second parameter to 'int'.
5986 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5987 the second operand of the DEPS_LIST.
5988 (copy_DEPS_LIST_list): Update reference to the second operand of the
5990 * rtl.h (alloc_DEPS_LIST): Update signature.
5991 * sched-int.h (ds_t): Change typedef to 'int'.
5992 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5994 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5996 * haifa-sched.c (try_ready): Change condition to restore
5997 non-speculative pattern of the instruction.
5998 (process_insn_depend_be_in_spec): Code to keep probability of the
5999 speculative dependence non-decreasing.
6001 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6003 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6004 (single_move_for_movmem): ... this. Also change all uses.
6005 (bfin_expand_strmov): Renamed to...
6006 (bfin_expand_movmem): ... this. Also change all uses.
6007 * config/bfin/bfin.md (movstrsi): Renamed to...
6008 (movstrsi): ...this.
6010 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6012 PR tree-optimization/26830
6014 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6015 (copy_prop_visit_stmt): Remove write-only variable ann.
6016 (init_copy_prop): Check variable loop depth here. Do not simulate
6017 memory-tag and virtual operand PHIs except for store copy prop.
6019 2006-03-30 Richard Guenther <rguenther@suse.de>
6021 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6022 variants with double arguments.
6024 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6026 * genpreds.c (write_tm_constrs_h): Delete variable p.
6027 * genconditions.c (write_header): Add tm-constrs.h to included
6029 * genpeep.c (main): Add toplev.h to included headers.
6030 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6031 (build/genpeep.o): Add toplev.h dependency.
6032 * config/rs6000/constraints.md: Add "W" constraint.
6034 2006-03-29 Roger Sayle <roger@eyesopen.com>
6036 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6037 sizes by correctly testing whether the size fits a host integer.
6038 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6039 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6040 SImode range for the default sizetype and bitsizetype.
6042 2006-03-29 Roger Sayle <roger@eyesopen.com>
6044 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6045 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6046 quickly if the argument is already of the correct type.
6047 Call fold_build1 instead of build1. Tidy up blank lines.
6049 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6051 * genemit.c (main): Add tm-constrs.h to included headers.
6052 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6053 * genpeep.c (main): Add tm-constrs.h to included headers.
6054 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6055 (write_tm_constrs_h): this and write complete file.
6056 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6057 (write_insn_preds_c): Add tm-constrs.h to included headers.
6058 (gen_constrs): New variable.
6059 (parse_option): Parse "-c".
6060 (main): Invoke write_tm_constrs_h.
6061 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6062 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6063 (object_out_file): Add tm-constrs.h dependency.
6064 (insn-emit.o): Same.
6065 (insn-output.o): Same.
6066 (insn-peep.o): Same.
6067 (insn-preds.o): Same.
6068 (insn-recog.o): Same.
6069 (tm-constsr.h): New target.
6070 (s-constrs-h): New target.
6072 * config/rs6000/constraints.md: New file.
6073 * config/rs6000/rs6000.c: Include tm-constrs.h.
6074 (num_insn_constant_wide): Convert to satisfies_constraint.
6075 (rs6000_rtx_costs): Convert to satisfies_constraint.
6076 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6077 (CONST_OK_FOR_LETTER_P): Delete.
6078 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6079 (EXTRA_CONSTRAINT): Delete.
6080 (EXTRA_MEMORY_CONSTRAINT): Delete.
6081 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6082 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6083 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6084 satisfies_constraint.
6086 * config/i386/i386.c: Include tm-constrs.h.
6088 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6090 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6091 * tree-data-ref.c (find_data_references_in_loop,
6092 compute_data_dependences_for_loop): Use pointers to VEC.
6093 (analyze_all_data_dependences): Adjust calls.
6094 * tree-data-ref.h (find_data_references_in_loop,
6095 compute_data_dependences_for_loop): Adjust declarations.
6096 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6097 compute_data_dependences_for_loop.
6099 2006-03-29 Paul Brook <paul@codesourcery.com>
6101 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6104 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6106 PR tree-optimization/26859
6107 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6109 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6110 for the step after fold_convert.
6112 2006-03-29 Paul Brook <paul@codesourcery.com>
6114 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6115 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6117 2006-03-29 Paul Brook <paul@codesourcery.com>
6120 * targhooks.c (default_narrow_bitfield): New fuction.
6121 * targhooks.h (default_narrow_bitfield): add prototype.
6122 * target.h (gcc_target): Add narrow_volatile_bitfield.
6123 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6124 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6125 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6126 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6128 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6130 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6132 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6133 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6134 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6135 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6136 (s390_function_arg_float): Allow SDmode and DDmode values to be
6137 passed in floating point registers.
6138 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6139 check with SCALAR_FLOAT_MODE_P.
6140 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6142 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6144 PR tree-optimization/25985
6145 * tree-ssa-loop-niter.c (number_of_iterations_le,
6146 number_of_iterations_ne): Make comments more precise.
6147 (number_of_iterations_cond): Add only_exit argument. Use the
6148 fact that signed variables do not overflow only when only_exit
6150 (loop_only_exit_p): New.
6151 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6152 number_of_iterations_cond.
6154 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6156 PR tree-optimization/26643
6157 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6160 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6162 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6163 (divsi3_i4_int): Likewise.
6165 2006-03-28 Roger Sayle <roger@eyesopen.com>
6167 * expr.c (emit_group_store): Only create a new pseudo reg if the
6168 quantity it needs to hold isn't already a suitable pseudo.
6170 2006-03-28 Jeff Law <law@redhat.com>
6172 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6173 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6175 2006-03-28 Roger Sayle <roger@eyesopen.com>
6177 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6178 the equivalent ~X & Y, and the symmetry related transformations.
6179 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6180 ~X & Y, and symmetry related transforms.
6182 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6184 Revert my 2006-03-27 patches.
6186 2006-03-28 Roger Sayle <roger@eyesopen.com>
6188 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6189 ~(T1)X, when T1 and T2 are integer types of the same precision
6190 and (T2)X isn't an extension.
6192 2006-03-28 Jeff Law <law@redhat.com>
6194 PR tree-optimization/26796
6195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6196 need EH edge cleanups rather than purging them immediately.
6197 (eliminate_degenerate_phis): Handle queued EH cleanups.
6199 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6201 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6204 2006-03-27 Roger Sayle <roger@eyesopen.com>
6207 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6208 cast BIT_NOT_EXPR operand to the correct type.
6210 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6212 * tree-loop-linear.c: Don't include varray.h.
6213 (gather_interchange_stats, try_interchange_loops,
6214 linear_transform_loops): Use VEC instead of VARRAY.
6215 * lambda-mat.c: Don't include varray.h.
6216 * tree-chrec.c: Same.
6217 * lambda-trans.c: Same.
6218 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6219 VEC instead of VARRAY.
6220 * tree-vectorizer.h: Idem.
6221 * tree-data-ref.c (dump_data_references,
6222 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6223 initialize_data_dependence_relation, finalize_ddr_dependent,
6224 compute_all_dependences, find_data_references_in_loop,
6225 compute_data_dependences_for_loop, analyze_all_data_dependences,
6226 free_dependence_relation, free_dependence_relations,
6227 free_data_refs): Idem.
6228 * tree-data-ref.h (data_reference_p, subscript_p): New.
6229 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6230 VEC instead of VARRAY.
6231 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6232 (find_data_references_in_loop, compute_data_dependences_for_loop,
6233 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6234 dump_data_dependence_relations, free_dependence_relations,
6235 free_data_refs): Adjust declaration.
6236 (lambda_transform_legal_p): Move declaration here...
6237 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6238 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6239 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6240 vect_analyze_data_refs): Use VEC instead of VARRAY.
6241 * lambda.h (lambda_transform_legal_p): ...from here.
6242 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6243 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6244 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6245 tree-chrec.o): Don't depend on VARRAY_H.
6247 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6249 * rtl.def (Copyright): Update date.
6250 (DEPS_LIST): Change type of the second operand to 'int'.
6251 * target.h (Copyright): Update date.
6252 (struct gcc_target.speculate_insn): Change type of the second parameter
6254 * lists.c (Copyright): Update date.
6255 (alloc_DEPS_LIST): Change signature. Update reference to the second
6256 operand of the DEPS_LIST.
6257 (copy_DEPS_LIST_list): Update reference to the second operand of the
6259 * rtl.h (Copyright): Update date.
6260 (alloc_DEPS_LIST): Update signature.
6261 * sched-int.h (Copyright): Update date.
6262 (ds_t): Change typedef to 'int'.
6263 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6265 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6267 * haifa-sched.c (Copyright): Update date.
6268 (try_ready): Change condition to restore non-speculative pattern
6270 (process_insn_depend_be_in_spec): Code to keep probability of the
6271 speculative dependence non-decreasing.
6273 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6275 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6276 shut up the compiler.
6278 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6280 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6281 to use lib prefix for target.
6282 ($(T)libic_invalidate_array_4-200.a): Likewise.
6283 ($(T)libic_invalidate_array_4a.a): Likewise.
6285 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6286 J"orn Rennecke <joern.rennecke@st.com>
6288 * superh.opt: New file.
6289 * sh.c (boardtype, osruntime): Remove.
6290 * superh.h (SUBTARGET_OPTIONS): Remove.
6291 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6293 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6294 arguments with ^ and/or [].
6296 * config.gcc (sh-*-*): Add quoting to account for quirk of
6298 Replace == with = in enable_incomplete_targets test.
6300 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6301 with MASK_LITTLE_ENDIAN.
6303 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6304 * config/sh/sh.opt: Added to some comments.
6305 * config/sh/superh.h: Removed some chaff.
6307 * config/sh/sh.opt: Add m4-[1234]00* options.
6308 * config/sh/sh.c (sh_handle_option): Likewise.
6309 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6310 (ic_invalidate_array_4-100.o): New rule.
6311 ($(T)libic_invalidate_array_4-100.a): Likewise.
6312 (ic_invalidate_array_4-200.o): Likewise.
6313 ($(T)libic_invalidate_array_4-200.a): Likewise.
6314 (ic_invalidate_array_4a.o): Likewise.
6315 ($(T)libic_invalidate_array_4a.a): Likewise.
6316 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6317 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6319 * config/sh/crt1.asm: Merged in profiling code.
6320 * config/sh/superh.h (STARTFILE_SPEC): Override.
6321 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6322 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6323 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6325 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6326 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6327 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6329 * sh.opt (mpretend-cmove): New option.
6330 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6331 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6332 (movsicc): Add TARGET_PRETEND_CMOVE code.
6334 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6336 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6337 s390_class_max_nregs): New function prototypes.
6338 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6339 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6340 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6341 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6343 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6345 * dwarf2out.c (add_location_or_const_value_attribute): Call
6346 tree_add_const_value_attribute if nothing else works.
6347 (reference_to_unused): New.
6348 (rtl_for_decl_init): Use reference_to_unused to decide whether
6349 to output an initializer.
6351 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6354 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6355 peephole removing spe frob_di_df_2.
6357 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6359 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6360 (subscript_dependence_tester_1): Declared.
6361 (print_dir_vectors, print_dist_vectors): New.
6362 (debug_data_dependence_relation): New.
6363 (dump_data_dependence_relation): Print more details.
6364 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6365 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6366 (save_dist_v, save_dir_v, add_outer_distances,
6367 build_classic_dist_vector_1): New.
6368 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6369 Don't test for lambda_vector_lexico_pos.
6370 (same_access_functions, add_multivariate_self_dist,
6371 add_other_self_distances, dir_from_dist): New.
6372 (build_classic_dir_vector): Replace implementation almost identical to
6373 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6375 (subscript_dependence_tester_1): New.
6376 (subscript_dependence_tester): Handle the lexicographically negative
6377 distance vectors by recomputing the dependence relation.
6378 (compute_affine_dependence): Remove parameter loop_nest_depth.
6379 (compute_self_dependence): Don't call compute_subscript_distance.
6380 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6381 Add a parameter for the loop_nest.
6382 (find_loop_nest_1, find_loop_nest): New.
6383 (compute_data_dependences_for_loop): Compute the loop nest, and give
6384 up if the nest is not well formed.
6385 * tree-data-ref.h (loop_p): New.
6386 (struct data_dependence_relation): Replace size_vect field with
6387 loop_nest, a vec of loops.
6388 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6389 (DDR_LOOP_NEST): New.
6390 (print_dir_vectors, print_dist_vectors,
6391 debug_data_dependence_relation): Declared.
6392 (index_in_loop_nest): New.
6393 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6394 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6397 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6399 * simplify-rtx.c (simplify_relational_operation): Call
6400 simplify_relational_operation_1 even if mode is VOIDmode.
6402 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6404 PR tree-optimization/26804
6405 * tree.h (DECL_CALL_CLOBBERED): New macro.
6406 (tree_decl_common): Add call_clobbered_flag.
6407 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6408 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6409 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6410 (mark_non_addressable): Ditto.
6411 * tree-ssa.c (verify_call_clobbered): New function.
6412 (verify_alias_info): Use it.
6413 * tree-pass.h (pass_reset_cc_flags): New prototype.
6414 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6415 (reset_cc_flags): New function.
6416 * passes.c (init_optimization_passes): Call reset_cc_flags after
6417 initializing referenced_vars.
6419 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6420 Roger Sayle <roger@eyesopen.com>
6423 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6424 to 1.0 for non-real operands. Implement A / A optimization for
6427 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6429 * config/i386/i386.c (size_cost): Correct the comment for
6430 cost of storing fp registers.
6431 (i386_cost): Likewise.
6432 (i486_cost): Likewise.
6433 (pentium_cost): Likewise.
6434 (pentiumpro_cost): Likewise.
6435 (k6_cost): Likewise.
6436 (athlon_cost): Likewise.
6437 (k8_cost): Likewise.
6438 (pentium4_cost): Likewise.
6439 (nocona_cost): Likewise.
6440 (generic64_cost): Likewise.
6441 (generic32_cost): Likewise.
6443 2006-03-24 Denis Chertykov <denisc@overta.ru>
6445 * config/avr/avr-protos.h (extra_constraint): Delete.
6446 (extra_constraint_Q): New declaration.
6447 * config/avr/constraints.md: New file.
6448 * config/avr/avr.md: Include it.
6449 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6450 (TMP_REGNO, ZERO_REGNO): Likewise.
6451 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6452 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6453 (extra_constraint): Delete.
6454 (extra_constraint_Q): Test for memory constraint 'Q'.
6455 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6456 (REG_CLASS_FROM_LETTER): Delete.
6457 (CONST_OK_FOR_LETTER_P): Delete.
6458 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6459 (EXTRA_CONSTRAINT): Delete.
6460 (TMP_REGNO): Delete.
6461 (ZERO_REGNO): Delete.
6463 2006-03-24 Jeff Law <law@redhat.com>
6465 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6466 directly. Call mark_new_vars_to_rename slightly earlier.
6468 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6470 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6472 (gen_compile_unit_die): Use new language types for Objective-C and
6474 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6475 DW_LANG_C_plus_plus.
6478 * config/t-darwin (crt3.o): Work around bug 26840.
6479 * config/darwin-crt3.c: Rewrite.
6480 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6482 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6484 * doc/invoke.texi: Document -femit-class-debug-always
6485 * common.opt: Add -femit-class-debug-always.
6487 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6489 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6490 index and base register.
6491 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6492 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6493 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6494 REGNO_OK_FOR_INDEX_P.
6495 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6497 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6498 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6499 REG_OK_FOR_BASE_P): Definitions removed.
6501 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6504 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6505 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6506 set yet or weren't marked as local yet.
6508 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6510 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6513 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6515 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6516 (rs6000_legitimate_small_data_p): Delete.
6517 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6518 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6519 and make static. Add forward declaration. Update uses.
6520 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6521 of offsettable_memref_p.
6522 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6523 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6525 2006-03-24 Jeff Law <law@redhat.com>
6527 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6528 around bug in immediate-use iterator.
6530 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6533 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6534 or __LITTLE_ENDIAN__.
6536 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6538 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6539 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6540 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6541 * config/sh/sh.opt (mdiv=): Amend description.
6542 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6543 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6544 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6545 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6546 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6547 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6548 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6549 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6550 TARGET_DIVIDE_CALL_FP.
6552 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6554 * haifa-sched.c (choose_ready): Fix type of the local variable.
6555 Move local variables. Add comment.
6556 (check_reg_live): Change signature. Make callable from debugger.
6557 * sched-int.h (check_reg_live): Update signature.
6558 * sched-ebb.c (check_reg_live): Update parameters.
6559 * sched-rgn.c (check_reg_live): Ditto.
6560 (region_head_or_leaf_p): Check pointer before dereferencing.
6561 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6562 before reload on optimization levels below 1.
6564 2006-03-23 Richard Henderson <rth@redhat.com>
6566 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6570 * config/alpha/predicates.md (local_symbolic_operand): Reject
6573 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6576 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6577 expressions which have overflowed constants.
6579 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6581 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6583 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6585 * cfgloopmanip.c (create_loop_notes): Removed.
6586 * final.c (final_scan_insn): Do not handle loop notes.
6587 * jump.c (squeeze_notes): Ditto.
6588 * cfglayout.c (skip_insns_after_block,
6589 duplicate_insn_chain): Ditto.
6590 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6592 * cfgloop.h (create_loop_notes): Declaration removed.
6594 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6596 * varasm.c (output_constant_pool): Restore fnname and fndecl
6598 (assemble_start_function): Adjust call accordingly.
6599 (assemble_end_function): Likewise.
6601 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6604 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6607 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6609 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6612 * system.h (ICE_EXIT_CODE): New macro.
6613 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6614 (diagnostic_action_after_output): Likewise.
6615 * gcc.c (fatal_ice): New function.
6616 (execute): Use it instead of fatal.
6617 (fancy_abort): Likewise.
6618 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6620 2006-03-22 Jeff Law <law@redhat.com>
6622 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6623 iv_analyze_result returning false.
6625 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6627 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6629 2006-03-22 Richard Henderson <rth@redhat.com>
6632 * except.c (duplicate_eh_regions_0): New.
6633 (duplicate_eh_region_1): Duplicate the children of the node as
6634 well as the node itself. Link them up properly.
6635 (duplicate_eh_region_2): Merge into ...
6636 (duplicate_eh_regions): ... here. Take copy_region argument, and
6637 copy only a sub-tree if asked. Simplify copying and fixup.
6638 (eh_region_outer_p): New.
6639 * except.h (duplicate_eh_regions): Update decl.
6640 (eh_region_outer_p): Declare.
6641 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6642 (lower_omp_master): Likewise.
6643 (lower_omp_ordered): Likewise.
6644 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6645 (move_stmt_r): Use it to remap labels. Handle recursion vs
6646 remap_decls_p properly.
6647 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6648 (find_outermost_region_in_block): New.
6649 (new_label_mapper): New.
6650 (move_sese_region_to_fn): Copy eh information to the new function
6652 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6654 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6657 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6659 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6660 into shared libraries.
6662 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6664 * doc/md.texi: Refer to i386/constraints.md instead of
6666 * config/i386/constraints.md: New file, extracted from...
6667 * config/i386/predicates.md: ...here.
6668 * config/i386/i386.md: Include constraints.md.
6670 2006-03-21 Jason Merrill <jason@redhat.com>
6672 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6675 * expr.c (init_block_move_fn): Force default visibility.
6676 (init_block_clear_fn): Likewise.
6677 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6678 * targhooks.c (default_external_stack_protect_fail): Likewise.
6680 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6682 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6683 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6684 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6685 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6686 (loadgp): Use mips_current_loadgp_style.
6687 (loadgp_noshared): New pattern.
6688 (sibcall_internal): Use MIPS_CALL.
6689 (sibcall_value_internal): Likewise.
6690 (sibcall_value_multiple_internal): Likewise.
6691 (call_internal): Likewise.
6692 (call_value_internal): Likewise.
6693 (call_value_multiple_internal): Likewise.
6694 (call_split): Use MIPS_CALL and add an 'S' constraint.
6695 (call_value_split): Likewise.
6696 (call_value_multiple_split): Likewise.
6697 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6698 (-mshared): New option.
6699 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6700 (mips_current_loadgp_style): Declare.
6701 * config/mips/mips.c (mips_classify_symbol): Avoid using
6702 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6703 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6704 TARGET_ABSOLUTE_ABICALLS.
6705 (override_options): Adjust comments. Improve the warning that is
6706 issued when -mabicalls and -G are used together.
6707 (mips_file_start): Remove comment.
6708 (mips_current_loadgp_style): New function.
6709 (mips_gnu_local_gp): New variable.
6710 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6712 (mips_output_function_prologue): Use mips_current_laodgp_style.
6713 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6714 the cprestore instruction.
6715 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6716 live for TARGET_ABSOLUTE_ABICALLS.
6717 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6718 (ASM_SPEC): Pass down -mshared and -mno-shared.
6719 (MIPS_CALL): New macro.
6720 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6722 * doc/invoke.texi (-mabicalls): Update documentation.
6723 (-mshared): Document.
6725 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6727 * config/ia64/unwind-hpux.c: New file.
6728 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6730 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6733 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6735 2006-03-21 Jeff Law <law@redhat.com>
6737 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6738 type conversions of a VR_VARYING source to a wider type.
6740 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6742 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6743 tm_file on Solaris 10 and later.
6744 (sparc64-*-solaris2*): Likewise.
6745 (sparc-*-solaris2*): Likewise.
6746 * config/sol26.h: Rename to config/sol2-6.h.
6747 * config/sol2-10.h: New file.
6749 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6752 * tree-ssa-pre.c (create_component_ref_by_pieces):
6755 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6758 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6759 return it immediately.
6761 2006-03-21 Michael Matz <matz@suse.de>
6763 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6765 (remove_arc, add_arc): Update num_out_arcs member.
6766 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6768 (cache_presence): New function.
6769 (compare_states_for_equiv): New function.
6770 (state_is_differed): Don't take number of outargs, adjust callers.
6771 Use new invariant for speeding up.
6772 (init_equiv_class): Create initial classes based on sorted
6774 (partition_equiv_class): Don't track out_arcs_num.
6775 (evaluate_equiv_classes): Call cache_presence on all states and
6778 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6780 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6781 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6782 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6783 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6785 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6786 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6787 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6788 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6789 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6791 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6792 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6793 (REGNO_REG_CLASS): ARGP is in PREGS.
6794 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6796 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6797 to deal with those addresses.
6798 * addresses.h: New file.
6799 * caller-save.c: Include "addresses.h".
6800 (init_caller_save): Use new base_reg_class function.
6801 * rtl-factoring.c: Include "addresses.h".
6802 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6803 * recog.c: Include "addresses.h".
6804 (preprocess_constraints): Use new base_reg_class function.
6805 * regrename.c: Include "addresses.h".
6806 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6807 functions. Keep track of a new var INDEX_CODE to compute valid
6809 (replace_oldest_value_addr): Likewise.
6810 (replace_oldest_value_mem): Use base_reg_class.
6811 * reload.c: Include "addresses.h".
6812 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6813 (find_reloads): Use new base_reg_class function.
6814 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6815 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6816 all callers and prototype changed.
6817 * reload1.c: Include "addresses.h".
6818 (maybe_fix_stack_asms): Use base_reg_class.
6819 * regclass.c: Include "addresses.h".
6820 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6821 (init_reg_autoinc): Use new base_reg_class function.
6822 (record_reg_classes): Likewise.
6823 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6824 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6825 Use new args to compute necessary class.
6827 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6828 regrename.o, rtl-factoring.o): Update dependencies.
6829 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6830 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6831 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6832 REG_OK_FOR_INDEX_P): Delete documentation.
6834 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6836 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6837 from V7 to V9 for Solaris 7 and above.
6839 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6841 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6842 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6843 argument pointers may not alias any other storage.
6844 * common.opt: Define option -fargument-noalias-anything.
6845 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6846 alias semantics is specified by flag_argument_noalias > 2.
6848 2006-03-20 Jeff Law <law@redhat.com>
6850 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6851 (pass_phi_only_cprop): Declare.
6852 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6854 * tree-ssa-dom.c (degenerate_phi_result): New function.
6855 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6856 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6857 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6858 (eliminate_degenerate_phis): Likewise.
6859 (pass_phi_only_cprop): New pass descriptor.
6860 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6861 support code. Callers updated.
6862 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6863 (store_copy_prop): Likewise.
6864 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6866 2006-03-20 Jason Merrill <jason@redhat.com>
6869 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6870 (push_visibility, pop_visibility): Likewise.
6871 * c-pragma.h: Declare them.
6873 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6875 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6877 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6878 parameter and use get_ebb_head_tail.
6879 (sh_md_init_global): Adjust uses of find_regmode_weight.
6881 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6883 * function.h (struct function) <x_tail_recursion_reentry>:
6884 Rename to x_stack_check_probe_note.
6885 (tail_recursion_reentry): Rename to stack_check_probe_note.
6886 * function.c: Replace tail_recursion_reentry with
6887 stack_check_probe_note everywhere.
6888 (expand_function_start): Only emit a note for
6889 stack_check_probe_note with -fstack-protect.
6890 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6892 * emit-rtl.c (remove_unnecessary_notes): Remove.
6893 (pass_remove_unnecessary_notes): Remove.
6894 * rtl.h (remove_unnecessary_notes): Remove prototype.
6895 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6896 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6897 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6899 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6902 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6903 (valid_in_set): Handle ARRAY_REF.
6904 Change "if min_variant or VH" to asserts.
6905 (create_component_ref_by_pieces): Handle ARRAY_REF.
6906 (create_expression_by_pieces): Likewise.
6907 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6909 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6911 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6912 is operand of switch, not str[0].
6914 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6916 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6917 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6919 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6921 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6922 end of insn_extra_address_constraint declaration.
6924 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6926 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6927 (no-sum-in-toc): Same.
6928 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6930 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6931 NO_FP_IN_TOC for -fPIC instead of mask.
6933 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6934 (BOOT_LDFLAGS): Delete.
6936 * config/rs6000/t-aix52: Same.
6938 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6939 (stmsi[345678]_power): New.
6941 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6943 * config/ia64/ia64.opt: Add empty line to end of file.
6945 2006-03-17 Richard Guenther <rguenther@suse.de>
6948 * builtins.c (get_pointer_alignment): For component style references
6949 adjust alignment to the component type alignment. Make sure
6950 to adjust alignment for component access of constants.
6952 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6954 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6957 2006-03-17 Paul Brook <paul@codesourcery.com>
6959 * doc/install.texi: Docuemnt --with-mode.
6960 * config.gcc: Add --with-mode for arm*-*-*.
6961 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6963 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6965 * sh.c (max_labelno_before_reorg): New variable.
6966 (sh_reorg): Initialize it.
6967 (find_barrier): Check max_labelno_before_reorg before using
6968 label_to_alignment. Take length of explicit alignment insns
6969 into account. When seeing a UNSPECV_CONST_END, return it.
6971 * sh.c (fixup_mova): Set mode of affected label to QImode.
6972 (untangle_mova): New function.
6973 (find_barrier): Use it. Check mode of label before decrementing
6975 (sh_reorg): Likewise.
6976 Set mode of all insns back to VOIDmode.
6978 * sh.c (MOVA_LABELREF): New macro.
6979 (mova_p, fixup_mova, sh_reorg): Use it.
6980 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6981 ADDR_DIFF_VEC matches mova.
6983 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6985 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6986 with ATTRIBUTE_UNUSED.
6988 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6990 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6991 pointer, instead of assuming it is possible to derive the
6992 correct args size from a call insn.
6994 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6996 * rtl.h (CONST_INT_P): Define.
6997 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6998 instead of GET_CODE(x) == CONST_INT.
6999 (vax_rtx_costs): Likewise.
7000 (vax_output_int_move): Likewise.
7001 (vax_output_int_add): Likewise.
7002 (legitimate_constant_address_p): Likewise.
7003 (index_term_p): Likewise.
7004 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7005 * config/vax/vax.md (and<mode>3): Likewise.
7006 (ashrsi3): Likewise.
7008 (movstricthi): Likewise.
7009 (movstrictqi): Likewise.
7010 (rotrsi3): Likewise.
7011 (five unnamed insns): Likewise.
7013 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7015 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7016 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7017 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7018 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7019 Pass to ASM_OUTPUT_DWARF_OFFSET.
7020 * dwarf2out.c (debug_frame_section): New.
7021 (output_call_frame_info): Use debug_frame_section. Pass it to
7022 dw2_asm_output_offset.
7023 (output_die): Pass appropriate section to dw2_asm_output_offset.
7024 (output_compilation_unit_header): Likewise.
7025 (output_pubnames): Likewise.
7026 (output_aranges): Likewise.
7027 (enum dw_val_class): Break dw_val_class_lbl_offset into
7028 dw_val_class_lineptr and dw_val_class_macptr.
7029 (add_AT_lbl_offset): Delete.
7030 (add_AT_lineptr): New.
7031 (add_AT_macptr): New.
7032 (AT_lbl): Expect a lineptr or macptr.
7033 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7034 (attr_checksum): Likewise.
7035 (same_dw_val_p): Likewise.
7036 (size_of_die): Likewise.
7037 (value_format): Likewise.
7038 (output_die): Likewise.
7039 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7041 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7042 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7043 * config/darwin-protos.h (darwin_file_start): New.
7044 (darwin_asm_output_dwarf_offset): New.
7045 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7046 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7048 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7049 if not EH section; simplify.
7050 (darwin_file_start): New.
7051 (darwin_asm_output_dwarf_offset): New.
7052 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7054 (DEBUG_INFO_SECTION): Likewise.
7055 (DEBUG_ABBREV_SECTION): Likewise.
7056 (DEBUG_ARANGES_SECTION): Likewise.
7057 (DEBUG_MACINFO_SECTION): Likewise.
7058 (DEBUG_LINE_SECTION): Likewise.
7059 (DEBUG_LOC_SECTION): Likewise.
7060 (DEBUG_PUBNAMES_SECTION): Likewise.
7061 (DEBUG_STR_SECTION): Likewise.
7062 (DEBUG_RANGES_SECTION): Likewise.
7063 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7064 (ASM_OUTPUT_DWARF_OFFSET): New.
7066 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7068 * config.gcc (tm_defines): Always add to previous value rather
7071 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7073 * config/mips/predicates.md (splittable_const_int_operand): New,
7074 split from move_operand.
7075 (splittable_symbolic_operand): New.
7076 (move_operand): Add commentary. Use splittable_const_int_operand.
7077 Inline mips_atomic_symbolic_constant_p.
7078 * config/mips/mips.md: Add combine splitters for handling moves
7079 of splittable_const_int_operands and splittable_symbolic_operands.
7080 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7081 (mips_split_symbol): Declare.
7082 (mips_move_integer): Declare.
7083 * config/mips/mips.c (mips_split_p): Make global.
7084 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7085 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7086 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7087 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7088 (mips_offset_within_object_p): Handle block symbols.
7089 (mips_atomic_symbolic_constant_p): Delete.
7090 (mips_cannot_force_const_mem): Return false for constants that
7091 mips_legitimize_move can handle.
7092 (mips_use_blocks_for_constant_p): New function.
7093 (mips_split_symbol): Make global.
7094 (mips_move_integer): Likewise. Add a temporary register argument.
7095 (mips_legitimize_const_move): Use splittable_const_int_operand and
7096 splittable_symbolic_operand.
7097 (mips_use_anchors_for_symbol_p): New function.
7098 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7099 (mips_split_p): Declare.
7101 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7103 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7104 (mips*-*-linux*): Likewise.
7106 2006-03-16 Roger Sayle <roger@eyesopen.com>
7107 Daniel Speyer <dspeyer@wam.umd.edu>
7110 * tree-dump.c (dump_real): New function.
7111 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7112 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7113 (tree-dump.o): Add $(REAL_H) to the dependencies.
7115 2006-03-16 Roger Sayle <roger@eyesopen.com>
7118 * real.c (real_from_string): If the mantissa is zero, don't bother
7119 parsing the exponent as the result should always be zero.
7121 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7123 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7125 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7127 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7128 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7129 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7130 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7131 ia64_sched_finish_global): New static functions to implement
7132 hooks from gcc_target.sched.
7133 (spec_check_no, max_uid, pending_data_specs): New static variables.
7134 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7135 ia64_spec_check_src_p): New static functions.
7136 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7137 (TARGET_SCHED_ADJUST_COST): Removed.
7138 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7139 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7140 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7141 TARGET_SCHED_GEN_CHECK,
7142 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7143 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7144 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7145 Fixed to handle speculation checks.
7146 (rtx_needs_barrier): Fixed to handle speculative loads and
7148 (ia64_variable_issue): Added code to count speculative loads and their
7150 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7152 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7154 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7156 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7157 (ia64_reorg): Reset stops_p to NULL after it is freed.
7158 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7159 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7160 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7162 (data_speculative, control_speculative, check_load): New attributes.
7163 (mov<mode>_advanced, mov<mode>_speculative,
7164 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7165 zero_extend<mode>di2_speculative,
7166 zero_extend<mode>di2_speculative_advanced): New patterns for
7167 data and control speculative loads.
7168 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7170 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7171 New pattern for data and control speculation checks.
7172 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7173 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7174 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7175 Auxiliary definitions for the patterns.
7176 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7177 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7179 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7181 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7182 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7183 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7184 New resource constraints.
7185 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7187 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7188 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7189 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7190 msched-in-control-spec, msched-ldc, msched-control-ldc,
7191 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7192 msched-prefer-non-control-spec-insns,
7193 msched-count-spec-in-critical-path): New flags to tune speculative
7195 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7196 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7197 msched-in-control-spec, msched-ldc, msched-control-ldc,
7198 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7199 msched-prefer-non-control-spec-insns,
7200 msched-count-spec-in-critical-path): Document new flags.
7202 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7204 * target.h (struct spec_info_def): New opaque declaration.
7205 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7206 speculate_insn, needs_block_p, gen_check,
7207 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7208 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7209 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7210 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7211 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7212 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7214 (TARGET_SCHED): Use new macros.
7215 * rtl.h (copy_DEPS_LIST_list): New prototype.
7216 * sched-int.h (struct sched_info): Change signature of new_ready field,
7217 adjust all initializations. New fields: add_remove_insn,
7218 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7219 region_head_or_leaf_p.
7220 (struct spec_info_def): New structure declaration.
7221 (spec_info_t): New typedef.
7222 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7223 recovery_block, orig_pat.
7224 (glat_start, glat_end): New variables declaraions.
7225 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7227 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7228 DETACH_LIFE_INFO, USE_GLAT.
7229 (enum SPEC_SCHED_FLAGS): New enumeration.
7230 (NOTE_NOTE_BB_P): New macro.
7231 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7232 attach_life_info, debug_spec_status, check_reg_live): New functions.
7233 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7234 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7236 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7237 * ddg.c (get_block_head_tail): Adjust all uses.
7238 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7239 (sms_sched_info): Initialize new fields.
7240 (contributes_to_priority): Removed.
7241 * haifa-sched.c (params.h): New include.
7242 (get_block_head_tail): Adjust all uses.
7243 (ISSUE_POINTS): New macro.
7244 (glat_start, glat_end): New global variables.
7245 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7246 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7247 old_last_basic_block, before_recovery, current_sched_info_var,
7248 rgn_n_insns, luid): New static variables.
7249 (insn_cost1): New function. Move logic from insn_cost to here.
7250 (find_insn_reg_weight1): New function. Move logic from
7251 find_insn_reg_weight to here.
7252 (reemit_notes, move_insn, max_issue): Change signature.
7253 (move_insn1): Removed.
7254 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7255 extend_bb): New static functions to support extension of scheduler's
7257 (generate_recovery_code, process_insn_depend_be_in_spec,
7258 begin_speculative_block, add_to_speculative_block,
7259 init_before_recovery, create_recovery_block, create_check_block_twin,
7260 fix_recovery_deps): New static functions to support
7261 generation of recovery code.
7262 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7263 restore_bb_notes, move_block_after_check, move_succs): New static
7264 functions to support ebb scheduling.
7265 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7266 functions to support handling of register live information.
7267 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7268 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7269 add_jump_dependencies): New static functions.
7270 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7271 consistancy checking.
7272 (debug_spec_status): New function to call from debugger.
7273 (priority): Added code to handle speculation checks.
7274 (rank_for_schedule): Added code to distinguish speculative instructions.
7275 (schedule_insn): Added code to handle speculation checks.
7276 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7277 Fixed to handle ebbs.
7278 (move_insn): Added code to handle ebb scheduling.
7279 (max_issue): Added code to use ISSUE_POINTS of instructions.
7280 (choose_ready): Added code to choose between speculative and
7281 non-speculative instructions.
7282 (schedule_block): Added code to handle ebb scheduling and scheduling of
7283 speculative instructions.
7284 (sched_init): Initialize new variables.
7285 (sched_finish): Free new variables. Print statistics.
7286 (try_ready): Added code to handle speculative instructions.
7287 * lists.c (copy_DEPS_LIST_list): New function.
7288 * sched-deps.c (extend_dependency_caches): New function. Move logic
7289 from create_dependency_caches to here.
7290 (get_dep_weak, ds_merge): Make global.
7291 * genattr.c (main): Code to output prototype for
7292 dfa_clear_single_insn_cache.
7293 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7294 (output_dfa_clean_insn_cache_func): Code to output
7295 dfa_clear_single_insn_cache function.
7296 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7298 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7300 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7301 New static variables.
7302 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7303 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7305 (ebb_sched_info): Initialize new fields.
7306 (get_block_head_tail): Adjust all uses.
7307 (compute_jump_reg_dependencies): Fixed to use glat_start.
7308 (schedule_ebb): Code to remove unreachable last block.
7309 (schedule_ebbs): Added code to update register live information.
7310 * sched-rgn.c (region_sched_info): Initialize new fields.
7311 (get_block_head_tail): Adjust all uses.
7312 (last_was_jump): Removed. Adjust users.
7313 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7314 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7315 Implement new hooks.
7316 (check_dead_notes1): New static function.
7317 (struct region): New fields: dont_calc_deps, has_real_ebb.
7318 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7319 (BB_TO_BLOCK): Fixed to handle EBBs.
7320 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7321 (ebb_head): New static variable.
7322 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7323 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7325 (compute_dom_prob_ps): New assertion.
7326 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7327 global_live_at_start.
7328 (init_ready_list): New assertions.
7329 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7330 (new_ready): Add support for BEGIN_CONTROL speculation.
7331 (schedule_insns): Fixed code that updates register live information
7333 (schedule_region): Fixed to handle EBBs.
7334 (init_regions): Use extend_regions and check_dead_notes1.
7335 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7336 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7337 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7338 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7339 TARGET_SCHED_GEN_CHECK,
7340 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7341 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7342 * doc/invoke.texi (max-sched-insn-conflict-delay,
7343 sched-spec-prob-cutoff): Document.
7345 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7347 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7348 inter_tick, queue_index.
7349 (struct sched_info): Change signature of init_ready_list field.
7350 Adjust all initializations.
7351 (RESOLVED_DEPS): New access macro.
7352 (ready_add): Remove prototype.
7353 (try_ready): Add prototype.
7354 * sched-rgn.c (init_ready_list): Use try_ready.
7355 (schedule_region): Initialize
7356 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7357 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7358 (init_ready_list): Use try_ready.
7359 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7360 * lists.c (remove_list_elem): Remove `static'.
7361 (remove_free_INSN_LIST_elem): New function.
7362 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7363 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7364 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7366 (readyp): New variable.
7367 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7368 change_queue_index, resolve_dep): New static functions.
7369 (try_ready): New function. Adjust callers in sched-rgn.c and
7370 sched-ebb.c to use it instead of ready_add.
7371 (clock_var): Move at the begining of file.
7372 (rank_for_schedule): Fix typo.
7373 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7374 (ready_lastpos): Enforce assertion.
7375 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7377 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7378 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7379 (queue_to_ready): Use free_INSN_LIST_list.
7380 (early_queue_to_ready): Fix typo.
7381 (schedule_block): Init readyp. Move init_ready_list call after the
7382 initialization of clock_var. Fix error in rejecting insn by
7383 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7384 that previously corrected INSN_TICKs. Add code for handling
7386 (set_priorities): Fix typo.
7387 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7388 Clarify comment and code that keeps current_sched_info->next_tail
7391 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7393 * sched-rgn.c (extend_rgns): New static function.
7394 (find_rgns): Use it.
7395 (gather_region_statistics, print_region_statistics): New static
7397 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7398 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7400 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7401 Andrey Belevantsev <abel@ispras.ru>
7403 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7404 * lists.c (unused_deps_list): New variable.
7405 (free_list): Add assertions to verify the proper distinguishing
7406 between INSN_LISTs and DEPS_LISTs.
7407 (find_list_elem, remove_list_elem, remove_list_node): New static
7409 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7410 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7411 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7412 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7414 (free_INSN_LIST_node): Likewise.
7415 * modulo-sched.c (current_sched_info): Initialize flags field.
7416 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7417 * rtl.def (DEPS_LIST): Define.
7418 * rtl.h: Declare new functions from lists.c.
7419 * sched-deps.c (spec_dependency_cache): New static variable.
7420 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7421 (add_dependence): Change return type to void. Move the logic to ...
7422 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7423 (delete_all_dependences): Add comment about forward_dependency_cache.
7424 Handle spec_dependency_cache. Handle DEPS_LISTs.
7425 (fixup_sched_groups): Clarify the change of priority of output
7426 and anti dependencies.
7427 (sched_analyze_2): Adjust add_dependence calls to create data
7428 speculative dependence.
7429 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7430 Adjust all callers. Handle DEPS_LISTS.
7431 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7432 presence of speculation.
7433 (init_dependency_caches, free_dependency_caches):
7434 Handle spec_dependency_cache.
7435 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7436 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7437 New static functions.
7438 (add_or_update_back_dep, add_or_update_back_forw_dep,
7439 add_back_forw_dep, delete_back_forw_dep): New functions.
7440 * sched-int.h (ds_t, dw_t): New typedefs.
7441 (struct sched_info): Add new field flags.
7442 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7443 Prototype new sched-deps.c functions.
7444 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7445 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7446 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7447 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7448 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7449 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7451 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7453 * sched-rgn.c (current_sched_info): Initialize flags field.
7454 (schedule_insns): Initialize current_sched_info before the sched_init
7456 * sched-ebb.c (current_sched_info): Initialize flags field.
7457 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7458 Call add_or_update_back_dep instead of add_dependence.
7459 Create control speculative dependencies.
7460 (schedule_insns): Initialize current_sched_info before the sched_init
7463 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7465 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7467 (sh_fallback_frame_state): Likewise.
7469 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7471 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7472 Do switch on default_use_cxa_atexit.
7473 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7474 * config/darwin-crt3.o: New.
7475 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7476 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7477 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7479 * config/rs6000/t-darwin: Move crt2.o building to here.
7480 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7481 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7484 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7486 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7487 from '! xxx' to '!xxx' for coding-style conformance.
7488 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7489 (EXTRA_CONSTRAINT): Likewise.
7490 * config/vax/vax.md (four unnamed insns): Likewise.
7492 2006-03-15 Paul Brook <paul@codesourcery.com>
7494 * config/arm/arm.c (minipool_pad): New.
7495 (add_minipool_forward_ref): Include pool alignment padding in address
7497 (push_minipool_fix): Set minipool_pad.
7498 (minipool_pad): Ditto.
7500 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7502 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7503 instead of GET_CODE() == MEM and REG_P() instead of
7505 (print_operand_address): Likewise.
7506 (vax_address_cost): Likewise.
7507 (vax_rtx_costs): Likewise.
7508 (vax_notice_update_cc): Likewise.
7509 (vax_output_int_add): Likewise.
7510 (INDEX_REGISTER_P): Likewise.
7511 (BASE_REGISTER_P): Likewise.
7512 (nonindexed_address_p): Likewise.
7513 (vax_mode_dependent_address_p): Likewise.
7514 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7515 (PRINT_OPERAND): Likewise.
7516 * config/vax/vax.md (ashlsi3): Likewise.
7517 (ashlsi3): Likewise.
7518 (some more unnamed insns): Likewise.
7520 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7522 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7523 iterator-style macro.
7524 (mark_control_dependent_edges_necessary): Update the use of
7525 EXECUTE_IF_CONTROL_DEPENDENT.
7527 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7529 * config/sh/predicates.md (cache_address_operand): Special.
7530 (ua_address_operand): Likewise.
7532 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7534 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7536 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7538 2006-03-15 Andreas Schwab <schwab@suse.de>
7540 * gensupport.c (identify_predicable_attribute): Don't free p_false
7541 when it is still in use.
7543 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7545 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7546 the default setting here.
7548 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7550 * tree-pass.h (pass_cfg): Remove.
7551 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7552 * passes.c (pass_cfg): Don't run it.
7554 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7556 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7557 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7559 (stack_regs_mentioned): Update the uses of
7560 stack_regs_mentioned_data. Don't access the array beyond its
7562 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7563 Don't include gt-reg-stack.h.
7565 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7566 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7568 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7571 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7574 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7576 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7578 2006-03-14 Richard Guenther <rguenther@suse.de>
7580 PR tree-optimization/26672
7581 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7584 2006-03-14 Richard Guenther <rguenther@suse.de>
7586 PR tree-optimization/26667
7587 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7588 node for the callees. Always allow inlining if it will shrink
7591 2006-03-14 Richard Guenther <rguenther@suse.de>
7594 * builtins.c (get_pointer_alignment): Prefer alignment
7595 information from decls over that from types.
7597 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7600 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7602 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7604 * config/rs6000/rs6000.opt (mdlmzb): New option.
7605 (msched-prolog, msched-epilog): Use Var not Mask.
7606 * doc/invoke.texi (-mdlmzb): Document.
7607 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7609 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7610 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7612 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7614 PR rtl-optimization/25739
7615 * bt-load.c (augment_live_range): Free tos pointer.
7617 * gensupport.c (identify_predicable_attribute): Free
7619 * gcov.c (create_file_names): Free name pointer.
7621 2006-03-13 Roger Sayle <roger@eyesopen.com>
7624 * stmt.c (emit_case_nodes): Handle the case where the index is a
7625 CONST_INT, where the comparison mode is specified by the index type.
7627 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7629 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7632 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7634 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7635 (*branch_fp_inverted): Likewise.
7637 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7640 * omp-low.c (expand_omp_for_generic): Mark istart0
7641 and iend0 as addressable.
7643 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7645 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7647 2006-03-13 Jeff Law <law@redhat.com>
7649 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7650 virtual operands are interesting.
7651 (vrp_visit_stmt): Corresponding changes.
7653 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7655 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7657 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7658 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7659 * config/bfin/crti.S: Use it instead of __PIC__.
7660 * config/bfin/crtn.S: Likewise.
7662 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7663 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7665 Lose 'G' modifier for call operand.
7666 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7667 recognize 'G' modifier.
7669 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7672 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7673 * stmt.c (expand_case): Likewise.
7675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7677 PR rtl-optimization/26254
7678 * loop-invariant.c (seq_insns_valid_p): New function.
7679 (move_invariant_reg): Only emit new code if it is valid.
7681 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7683 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7685 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7686 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7687 (commit_one_edge_insertion): Do not look for loop notes.
7689 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7691 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7692 flag_test_coverage out of loop.
7694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7696 * final.c (shorten_branches): Remove outdated comment, and turn
7697 the if branch that guards it to continue.
7699 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7701 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7702 * cfgloop.h (struct loop): Remove unused fields.
7704 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7706 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7707 (-dL, -fdump-rtl-loop2): Update the dump file names
7709 * doc/invoke.texi: Update dump file names.
7711 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7713 * predict.c (estimate_probability): Remove.
7714 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7715 * basic-block.h (estimate_probability): Remove prototype.
7716 * passes.c (finish_optimization_passes): Dump branch prediction or
7717 profiling heuristics to the .profile tree dump.
7718 (init_optimization_passes): Unqueue pass_branch_prob.
7720 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7722 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7724 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7725 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7727 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7729 * function.h (frame_offset_overflow): Declare.
7730 * function.c (frame_offset_overflow): New function.
7731 (assign_stack_local_1): Call it to detect that the offset overflows.
7732 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7734 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7736 * config/sh/sh.c: Include alloc-pool.h.
7737 (label_ref_list_pool): New alloc pool.
7738 (label_ref_list_t): New type for lists of labels.
7739 (struct pool_node): Make wend a label_ref_list_t.
7740 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7742 (dump_table): Likewise.
7743 (sh_reorg): Set up the alloc pool before using add_constant and
7744 dump_table, and destroy it when finishing.
7746 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7748 * config/mips/mips.c: Remove redundant comment.
7750 2006-03-10 Jason Merrill <jason@redhat.com>
7753 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7754 the target was declared 'register'.
7756 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7758 * genpreds.c (write_insn_constraint_len): Change definition of
7759 insn_constraint_len to return size_t to match the declaration.
7761 2006-03-10 DJ Delorie <dj@redhat.com>
7763 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7765 (m32c_expand_insv): Fix test for an AND mask.
7767 2006-03-10 Richard Guenther <rguenther@suse.de>
7770 * builtins.c (get_pointer_alignment): Handle component
7771 references for field alignment.
7773 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7775 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7776 when building with libgloss.
7777 (sh*elf): Implement --without-fp option.
7778 (sh64-superh-linux*): Don't multilib.
7780 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7782 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7784 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7786 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7787 Set it when one of the replacement functions returned true.
7788 Return TODO_cleanup_cfg if cfgchanged is true.
7789 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7791 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7793 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7794 instead of gen_lowpart.
7796 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7798 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7800 (mips_output_order_conditional_branch): Declare.
7801 * config/mips/mips.h (MIPS_BRANCH): New macro.
7802 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7803 for the comparison. Use gen_condjump.
7804 (mips_output_conditional_branch): Rework interface to take the
7805 asm templates for a direct branch and the inverse of a direct branch.
7806 (mips_output_order_conditional_branch): New function.
7807 (mips_builtin_branch_and_move): New function.
7808 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7809 branch condition. Use gen_single_cc as the condition for
7810 __builtin_mips_upper_* or __builtin_mips_lower_*.
7811 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7812 Use VOIDmode for the branch condition.
7813 * config/mips/predicates.md (order_operator): New predicate.
7814 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7815 (branch_fp): Rename to...
7816 (*branch_fp): ...this. Remove mode from comparison operator.
7817 Use new mips_output_conditional_branch interface.
7818 (branch_fp_inverted): Rename to...
7819 (*branch_fp_inverted): ...this and update as for *branch_fp.
7820 (*branch_zero<mode>): Rename to...
7821 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7822 Use mips_output_order_conditional_branch. Only accept ordered
7824 (*branch_zero<mode>_inverted): Rename to...
7825 (*branch_order<mode>_inverted): ...this and update as for
7826 *branch_order<mode>.
7827 (*branch_equality<mode>): Accept zero as the second operand to
7828 the equality operator. Use the new mips_output_conditional_branch
7830 (*branch_equality<mode>_inverted): Likewise.
7831 (condjump): New expander.
7832 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7834 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7835 (bc1any2t, bc1any2f): Likewise.
7836 (single_cc): New expander.
7837 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7839 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7841 * doc/md.texi: Update documentation of MIPS constraints.
7842 * config/mips/constraints.md: New file.
7843 * config/mips/mips.md: Include it.
7844 * config/mips/mips.c (mips_char_to_class): Delete.
7845 (override_options): Don't initialize mips_char_to_class.
7846 * config/mips/mips.h (mips_char_to_class): Delete.
7847 (REG_CLASS_FROM_LETTER): Delete.
7848 (CONST_OK_FOR_LETTER_P): Delete.
7849 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7850 (EXTRA_CONSTRAINT_Y): Delete.
7851 (EXTRA_CONSTRAINT_STR): Delete.
7852 (CONSTRAINT_LEN): Delete.
7853 (EXTRA_MEMORY_CONSTRAINT): Delete.
7855 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7857 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7858 original fn's eh regions.
7860 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7862 * fold-const.c (build_range_check): Make sure to use a valid type to
7863 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7866 (range_predecessor): New static function.
7867 (range_successor): Likewise.
7868 (merge_ranges): Use them to compute predecessors and successors of
7871 2006-03-09 Roger Sayle <roger@eyesopen.com>
7874 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7875 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7877 2006-03-08 DJ Delorie <dj@redhat.com>
7879 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7880 (addpsi3): Expand to include memory operands. Remove
7881 reload-specific splits.
7882 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7883 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7884 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7885 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7886 (shift1_qi, shift1_hi, insv): New.
7887 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7888 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7889 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7891 * config/m32c/m32c-protos.h: Update as needed.
7892 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7893 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7894 Fail for unrecognized R* constraints.
7895 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7896 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7897 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7899 (m32c_init_libfuncs): New.
7900 (m32c_legitimate_address_p): Add debug wrapper.
7901 (m32c_rtx_costs): New.
7902 (m32c_address_cost): New.
7903 (conversions): Add 'B' prefix.
7904 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7905 operands, or word regnames for QI operands. 'B' prints bit
7907 (m32c_expand_setmemhi): New.
7908 (m32c_expand_movmemhi): New.
7909 (m32c_expand_movstr): New.
7910 (m32c_expand_cmpstr): New.
7911 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7912 (m32c_expand_neg_mulpsi3): Handle non-ints.
7913 (m32c_cmp_flg_0): New.
7914 (m32c_expand_movcc): New.
7915 (m32c_expand_insv): New.
7916 (m32c_scc_pattern): New.
7917 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7918 a0/a1 out of SIregs.
7919 (STORE_FLAG_VALUE): New.
7920 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7923 * config/m32c/mov.md: Make constraints more liberal.
7924 (zero_extendqihi2): Optimize r0/r1 case.
7925 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7926 * config/m32c/predicates.md (m32c_any_operand): New.
7927 (m32c_nonimmediate_operand): New.
7928 (m32c_hl_operand): New.
7929 (m32c_r3_operand): New.
7932 (memsym_operand): New.
7933 (memimmed_operand): New.
7934 (a_qi_operand): New.
7935 (m32c_eqne_operator): New.
7936 (m32c_1bit8_operand): New.
7937 (m32c_1bit16_operand): New.
7938 (m32c_1mask8_operand): New.
7939 (m32c_1mask16_operand): New.
7940 * config/m32c/blkmov.md: New file.
7941 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7943 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7945 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7946 unsigned to fix signed/unsigned comparison issue in
7947 DWARF2_FRAME_REG_OUT.
7948 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7949 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7951 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7952 of ptr into the ENABLE_CHECKING section.
7954 2006-03-08 Jeff Law <law@redhat.com>
7956 * tree-vrp.c (infer_value_range): Only count pointer uses
7957 and dereferences if -fdelete-null-pointer-checks is enabled.
7959 * tree-vrp.c (find_assert_locations): Infer value ranges for
7960 single use pointers, but do not create ASSERT_EXPRs for them.
7961 When a non-null range is inferred for a pointer, backwards
7962 propagate that range to other equivalent pointers through the
7965 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7968 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7969 language hook targets.
7970 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7971 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7972 if language hook targets were missing.
7974 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7976 * tree-ssa-opfinalize.h: Removed.
7977 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7979 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7980 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7981 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7982 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7983 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7984 finalize_ssa_v_must_def_ops): New.
7986 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7988 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7991 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7993 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7995 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7996 addresses with offsets; reorganize.
7998 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7999 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8000 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8002 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8005 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8007 2006-03-08 Ben Elliston <bje@au.ibm.com>
8009 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8011 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8014 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8017 2006-03-07 Richard Guenther <rguenther@suse.de>
8019 PR tree-optimization/26587
8020 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8022 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8024 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8026 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8028 * hooks.c (hook_bool_mode_rtx_true): New function.
8029 * hooks.h (hook_bool_mode_rtx_true): Declare.
8030 * toplev.c (compile_file): Call output_shared_constant_pool.
8031 * varasm.c (shared_constant_pool): New variable.
8032 (assemble_start_function, assemble_end_function): Remove arguments
8033 from call to output_constant_pool.
8034 (create_constant_pool): New function, split out from...
8035 (init_varasm_status): ...here.
8036 (force_const_mem): Choose between the shared and per-function constant
8037 pools. Set current_function_uses_const_pool when reusing old entries
8038 as well as when creating new ones.
8039 (mark_constant): Ignore data argument.
8040 (mark_constants): Remove pool argument.
8041 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8042 to decide whether the function uses a constant pool.
8043 (output_constant_pool_contents): New function, split out from...
8044 (output_constant_pool): ...here.
8045 (output_shared_constant_pool): New function.
8046 (init_varasm_once): Initialize shared_constant_pool.
8047 * output.h (output_constant_pool): Delete.
8048 (output_shared_constant_pool): Declare.
8049 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8050 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8052 2006-03-06 Nick Clifton <nickc@redhat.com>
8054 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8055 flag_strength_reduce.
8057 2006-03-06 Ben Elliston <bje@au.ibm.com>
8059 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8060 x86_64-*-linux* configurations.
8062 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8063 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8065 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8067 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8069 * basic-block.h: Remove the extern for
8070 rediscover_loops_after_threading.
8072 * cfgloop.c (cancel_loop): Make it static.
8073 * cfgloop.h: Remove the prototype for cancel_loop.
8075 * flow.c (recompute_reg_usage): Make it static.
8076 * rtl.h: Remove the prototype for recompute_reg_usage.
8078 * function.c (use_return_register): Make it static.
8079 * function.h: Remove the prototype.
8081 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8083 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8085 * recog.h: Remove the prototype for
8086 validate_change_maybe_volatile.
8088 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8090 * rtlanal.c (replace_reg): Remove.
8091 * rtl.h: Remove the prototype for replace_reg.
8093 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8095 * regclass.c (reg_scan_update): Remove.
8096 (reg_scan_mark_refs): Remove the last argument.
8097 * rtl.h: Remove the prototype for reg_scan_update.
8099 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8101 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8102 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8103 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8104 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8105 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8106 loop-invariant.c, omp-low.c, opts.c, passes.c,
8107 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8108 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8109 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8110 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8111 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8112 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8116 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8117 * dwarf2out.h: Remove the prototype for
8118 dwarf2out_add_library_unit_info.
8120 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8122 * tree.c (add_var_to_bind_expr): Remove.
8123 * tree.h: Remove the prototype for add_var_to_bind_expr.
8125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8127 * regclass.c (n_non_fixed_regs): Remove.
8128 (init_reg_sets_1, globalize_reg): Remove all uses of
8130 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8132 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8134 * rtlanal.c (insns_safe_to_move_p): Remove.
8135 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8139 * expmed.c (expand_mult_add): Remove.
8140 * expr.h: Remove the prototype for expand_mult_add.
8142 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8144 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8145 and REG_SAVED_VAL_EXP constants.
8146 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8147 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8148 Handle regs stored by value.
8149 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8150 (execute_cfa_program): Handle DW_CFA_val_offset,
8151 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8152 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8153 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8154 (uw_install_context_1): Handle target regs stored by value.
8156 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8158 * tree-sra.c (tree_sra): Return todoflags;
8159 (generate_one_element): Set TODO_update_smt_usage if needed.
8160 (pass_sra): Remove TODO_update_smt_usage.
8161 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8163 (tree_ssa_forward_propagate_single_use_vars): Return
8164 TODO_update_smt_usage if we need to update SMT usage.
8165 (pass_forwprop): Remove TODO_update_smt_usage.
8167 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8169 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8170 (correct_use_link): Remove reference to get_stmt_operands.
8171 (update_stmt_operands): Likewise.
8172 (get_modify_expr_operands): New function factored out of
8173 parse_ssa_operands and get_expr_operands.
8174 Try to create V_MUST_DEFs for LHS by default.
8175 (get_expr_operands) <case MODIFY_EXPR>: Call
8176 get_modify_expr_operands.
8177 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8178 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8179 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8180 get_modify_expr_operands.
8182 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8184 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8185 * tree-flow.h: Remove the prototype for
8186 referenced_var_lookup_if_exists.
8188 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8190 PR rtl-optimization/26345
8192 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8194 2006-03-03 Roger Sayle <roger@eyesopen.com>
8196 PR tree-optimization/26524
8197 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8198 fold_convert to create a constant of the appropriate type.
8200 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8202 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8203 SYMBOL_REF_IN_BLOCK_P.
8204 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8205 of SYMBOL_FLAG_IN_BLOCK.
8206 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8207 instead of SYMBOL_REF_IN_BLOCK_P.
8208 * explow.c (use_anchored_address): Likewise.
8209 * rtl.c (rtx_size): Likewise.
8210 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8211 instead of SYMBOL_FLAG_IN_BLOCK.
8212 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8213 SYMBOL_REF_IN_BLOCK_P.
8214 (assemble_variable): Likewise.
8215 (output_constant_def_contents): Likewise.
8216 (output_constant_pool): Likewise.
8217 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8218 instead of SYMBOL_FLAG_IN_BLOCK.
8219 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8220 SYMBOL_REF_IN_BLOCK_P.
8221 (SYMBOL_REF_BLOCK): Likewise.
8222 (SYMBOL_REF_OFFSET): Likewise.
8223 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8224 SYMBOL_REF_IN_BLOCK_P.
8225 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8226 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8227 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8228 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8230 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8232 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8234 2006-03-02 Roger Sayle <roger@eyesopen.com>
8236 * simplify-rtx.c (simplify_unary_operation): When simplifying
8237 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8238 that we perform the right shift in the appropriate mode, and
8239 then extend or truncate the result to requested mode.
8241 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8243 * gengtype.c (main): Handle double_int type.
8244 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8245 * double-int.c: New file.
8246 * double-int.h: New file.
8247 * system.h: Include doubleint.h.
8248 * Makefile.in (SYSTEM_H): Include double-int.h.
8249 (double-int.o): Add.
8251 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8254 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8257 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8259 * tree-vrp.c (remove_range_assertions): Do not update statements
8262 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8264 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8266 * gcse.c (rest_of_handle_gcse): Ditto.
8267 * except.c (gate_handle_eh): Ditto.
8268 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8269 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8271 2006-03-02 Eric Christopher <echristo@apple.com>
8273 * config/i386/i386.c (machopic_output_stub): Add indirection to
8276 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8280 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8282 Sun Niagara specific optimizations.
8283 * config.gcc: Recognize niagara as target.
8284 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8285 (TARGET_CPU_niagara): Define.
8286 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8287 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8288 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8289 (ASM_CPU_SPEC): Likewise.
8290 (PROCESSOR_NIAGARA): New enum entry.
8291 (REGISTER_MOVE_COST): Handle Niagara.
8292 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8293 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8294 (sparc_override_options): Recognize "niagara", set appropriate
8295 default MASK_* values for it, and align functions to 32-bytes
8296 by default just like ULTRASPARC/ULTRASPARC3.
8297 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8298 (sparc64_initialize_trampoline): Likewise.
8299 (sparc_use_sched_lookahead): Use zero for niagara.
8300 (sparc_issue_rate): Use one for niagara.
8301 * config/sparc/niagara.md: New file.
8302 * config/sparc/sparc.md: Include it.
8303 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8304 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8305 when default cpu is niagara.
8306 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8307 (ASM_CPU_SPEC): Likewise.
8308 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8309 when default cpu is niagara.
8310 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8311 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8312 just like v9/ultrasparc/ultrasparc3.
8313 * doc/invoke.texi: Add documentation for "niagara" and improve
8314 existing documentation for ultrasparc variants.
8316 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8318 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8320 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8322 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8323 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8324 and say that only one is needed.
8325 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8326 * target.h (have_switchable_bss_sections): New hook.
8327 * explow.c (use_anchored_address): Check that the symbol is in a block.
8328 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8329 (bss_noswitch_section): New variables.
8330 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8331 (get_noswitch_section): New function.
8332 (get_block_for_section): Allow SECT to be null.
8333 (unlikely_text_section_p): Use SECTION_STYLE.
8334 (bss_initializer_p): New function.
8335 (get_variable_section): Move earlier in file. Take a new argument,
8336 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8337 Return one of the new *_sections in such cases.
8338 (get_block_for_decl): New function, extracting some logic from
8339 use_blocks_for_decl_p.
8340 (change_symbol_section): Remove in favor of...
8341 (change_symbol_block): ...this new function.
8342 (use_blocks_for_decl_p): Remove checks now performed by
8344 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8345 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8346 (emit_local, emit_bss, emit_common): ...these new functions.
8347 Return true if the alignment was honored.
8348 (emit_tls_common): New function.
8349 (asm_emit_uninitialised): Delete.
8350 (assemble_variable_noswitch): New function, split out from...
8351 (assemble_variable): ...here. Don't make decisions about common
8352 variables here. Globalize all public decls that go into non-common
8353 sections. Check whether SYMBOL_REF_BLOCK is null.
8354 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8355 (output_constant_pool): Likewise.
8356 (init_varasm_once): Initialize the new section variables.
8357 (have_global_bss_p): New function.
8358 (categorize_decl_for_section): Use bss_initializer_p.
8359 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8360 (place_block_symbol): Assert that the symbol must be in a block.
8361 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8362 (TARGET_INITIALIZER): Include it.
8363 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8364 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8365 (SECTION_MACH_DEP): Bump by two.
8366 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8367 (unnamed_section): Mention SECTION_UNNAMED in comment.
8368 (named_section): Likewise SECTION_NAMED.
8369 (noswitch_section_callback): New type.
8370 (noswitch_section): New structure.
8371 (section): Add a noswitch_section alternative.
8372 (SECTION_STYLE): New macro.
8373 (tls_comm_section, comm_section, lcomm_section): Declare.
8374 (bss_noswitch_section, have_global_bss_p): Declare.
8375 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8376 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8378 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8379 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8382 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8384 * tree-vrp.c (execute_vrp): Return value.
8385 * regrename.c (rest_of_handle_regrename): Ditto.
8386 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8387 * tree-complex.c (tree_lower_complex): Ditto.
8388 (tree_lower_complex_O0): Ditto.
8389 * tracer.c (rest_of_handle_tracer): Ditto.
8390 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8391 * postreload.c (rest_of_handle_postreload): Ditto.
8392 * tree-tailcall.c (execute_tail_recursion): Ditto.
8393 (execute_tail_calls): Ditto.
8394 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8395 * tree.h (init_function_for_compilation): Ditto.
8396 * ipa-cp.c (ipcp_driver): Ditto.
8397 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8398 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8399 * final.c (compute_alignments): Ditto.
8400 (rest_of_handle_final): Ditto.
8401 (rest_of_handle_shorten_branches): Ditto.
8402 (rest_of_clean_state): Ditto.
8403 * omp-low.c (execute_expand_omp): Ditto.
8404 (execute_lower_omp): Ditto.
8405 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8406 * ipa-reference.c (static_execute): Ditto.
8407 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8408 * reorg.c (rest_of_handle_delay_slots): Ditto.
8409 (rest_of_handle_machine_reorg): Ditto.
8410 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8411 * flow.c (recompute_reg_usage): Ditto.
8412 (rest_of_handle_remove_death_notes): Ditto.
8413 (rest_of_handle_life): Ditto.
8414 (rest_of_handle_flow2): Ditto.
8415 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8416 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8417 (do_ssa_store_ccp): Ditto.
8418 (execute_fold_all_builtins): Ditto.
8419 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8420 * modulo-sched.c (rest_of_handle_sms): Ditto.
8421 * ipa-pure-const.c (static_execute): Ditto.
8422 * cse.c (rest_of_handle_cse): Ditto.
8423 (rest_of_handle_cse2): Ditto.
8424 * web.c (rest_of_handle_web): Ditto.
8425 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8426 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8427 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8428 * tree-nrv.c (tree_nrv): Ditto.
8429 (execute_return_slot_opt): Ditto.
8430 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8431 (create_structure_vars): Ditto.
8432 * loop-init.c (rtl_loop_init): Ditto.
8433 (rtl_loop_done): Ditto.
8434 (rtl_move_loop_invariants): Ditto.
8435 (rtl_unswitch): Ditto.
8436 (rtl_unroll_and_peel_loops): Ditto.
8437 (rtl_doloop): Ditto.
8438 * gimple-low.c (lower_function_body): Ditto.
8439 (mark_used_blocks): Ditto.
8440 * tree-ssa-sink.c (execute_sink_code): Ditto.
8441 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8442 (cgraph_early_inlining): Ditto.
8443 * global.c (rest_of_handle_global_alloc): Ditto.
8444 * jump.c (cleanup_barriers): Ditto.
8445 (purge_line_number_notes): Ditto.
8446 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8447 (rest_of_handle_if_after_reload): Ditto.
8448 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8449 (tree_ssa_loop_im): Ditto.
8450 (tree_ssa_loop_unswitch): Ditto.
8451 (tree_vectorize): Ditto.
8452 (tree_linear_transform): Ditto.
8453 (tree_ssa_loop_ivcanon): Ditto.
8454 (tree_ssa_empty_loop): Ditto.
8455 (tree_ssa_loop_bounds): Ditto.
8456 (tree_complete_unroll): Ditto.
8457 (tree_ssa_loop_prefetch): Ditto.
8458 (tree_ssa_loop_ivopts): Ditto.
8459 (tree_ssa_loop_done): Ditto.
8460 * predict.c (tree_estimate_probability): Ditto.
8461 * recog.c (split_all_insns_noflow): Ditto.
8462 (rest_of_handle_peephole2): Ditto.
8463 (rest_of_handle_split_all_insns): Ditto.
8464 * tree-eh.c (lower_eh_constructs): Ditto.
8465 * regmove.c (rest_of_handle_regmove): Ditto.
8466 (rest_of_handle_stack_adjustments): Ditto.
8467 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8468 * function.c (instantiate_virtual_regs): Ditto.
8469 (init_function_for_compilation): Ditto.
8470 (rest_of_handle_check_leaf_regs): Ditto.
8471 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8472 (rest_of_handle_gcse): Ditto.
8473 * ipa-type-escape.c (type_escape_execute): Ditto.
8474 * alias.c (rest_of_handle_cfg): Ditto.
8475 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8476 * profile.c (rest_of_handle_branch_prob): Ditto.
8477 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8478 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8479 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8480 * tree-dfa.c (find_referenced_vars): Ditto.
8481 * except.c (set_nothrow_function_flags): Ditto.
8482 (convert_to_eh_region_ranges): Ditto.
8483 (rest_of_handle_eh): Ditto.
8484 * emit-rtl.c (unshare_all_rtl): Ditto.
8485 (remove_unnecessary_notes): Ditto.
8486 * except.h (set_nothrow_function_flags): Ditto.
8487 (convert_to_eh_region_ranges): Ditto.
8488 * cfgexpand.c (tree_expand_cfg): Ditto.
8489 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8490 * tree-ssa-pre.c (do_pre): Ditto.
8491 (execute_fre): Ditto.
8492 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8493 (rest_of_handle_jump2): Ditto.
8494 * tree-sra.c (tree_sra): Ditto.
8495 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8496 (execute_mudflap_function_decls): Ditto.
8497 * tree-ssa-copy.c (do_copy_prop): Ditto.
8498 (do_store_copy_prop): Ditto.
8499 * ipa-prop.h (ipcp_driver): Ditto.
8500 * cfglayout.c (insn_locators_initialize): Ditto.
8501 * tree-ssa-forwprop.c
8502 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8503 * cfglayout.h (insn_locators_initialize): Ditto.
8504 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8505 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8506 (execute_late_warn_uninitialized): Ditto.
8507 * rtl.h (cleanup_barriers): Ditto.
8508 (split_all_insns_noflow): Ditto.
8509 (purge_line_number_notes): Ditto.
8510 (unshare_all_rtl): Ditto.
8511 (remove_unnecessary_notes): Ditto.
8512 (recompute_reg_usage): Ditto.
8513 (variable_tracking_main): Ditto.
8514 * integrate.c (emit_initial_value_sets): Ditto.
8515 * integrate.h (emit_initial_value_sets): Ditto.
8516 * tree-optimize.c (execute_free_datastructures): Ditto
8517 (execute_free_cfg_annotations): Ditto.
8518 (execute_fixup_cfg): Ditto.
8519 (execute_cleanup_cfg_pre_ipa): Ditto.
8520 (execute_cleanup_cfg_post_optimizing): Ditto.
8521 (execute_init_datastructures): Ditto.
8522 * tree-object-size.c (compute_object_sizes): Ditto.
8523 * combine.c (rest_of_handle_combine): Ditto.
8524 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8525 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8526 (rest_of_handle_reorder_blocks): Ditto.
8527 (rest_of_handle_partition_blocks): Ditto.
8528 * var-tracking.c (variable_tracking_main): Ditto.
8529 * tree-profile.c (tree_profiling): Ditto.
8530 * tree-vect-generic.c (expand_vector_operations): Ditto.
8531 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8532 * sched-rgn.c (rest_of_handle_sched): Ditto.
8533 (rest_of_handle_sched2): Ditto.
8534 * basic-block.h (free_bb_insn): Ditto.
8535 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8536 * tree-cfg.c (execute_build_cfg): Ditto.
8537 (remove_useless_stmts): Ditto.
8538 (split_critical_edges): Ditto.
8539 (execute_warn_function_return): Ditto.
8540 (execute_warn_function_noreturn): Ditto.
8541 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8542 * cfgrtl.c (free_bb_for_insn): Ditto.
8543 * passes.c (execute_one_pass): Run additional
8544 todos returned by execute function.
8545 * tree-pass.h (struct tree_opt_pass): Make execute
8548 2006-03-02 Richard Guenther <rguenther@suse.de>
8550 * tree-ssa-alias.c (find_used_portions): Consider taking
8551 the address as making the variable not write-only.
8553 2006-03-02 Nick Clifton <nickc@redhat.com>
8555 * config.gcc (default_use_cxa_atexit): Extend the description of
8556 this configure variable. Set its default value to "yes" for
8557 Linux, NetBSD and ELF targets on the assumption that they will
8558 use C libraries with the __cxa_atexit function.
8560 2006-03-02 Ben Elliston <bje@au.ibm.com>
8562 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8563 parameter as unused to suppress a build warning.
8565 2006-03-02 Ben Elliston <bje@au.ibm.com>
8567 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8570 2006-03-01 Roger Sayle <roger@eyesopen.com>
8573 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8574 declared name, the weak reference name, and the typeof name.
8575 (__gthrw): Avoid expanding the declared name suffix.
8576 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8578 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8580 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8582 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8583 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8584 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8585 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8586 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8587 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8588 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8589 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8590 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8591 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8592 (DW_END_default, DW_END_big, DW_END_little): New.
8593 (DW_END_lo_user, DW_END_hi_user): Define.
8594 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8595 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8596 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8599 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8601 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8603 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8605 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8607 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8609 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8610 to 'symbol_mem_tag'.
8612 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8615 2006-03-01 Roger Sayle <roger@eyesopen.com>
8617 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8619 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8622 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8623 MACHO_DYNAMIC_NO_PIC_P.
8624 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8626 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8629 * config/darwin-protos.h (darwin_asm_output_anchor):
8631 * config/darwin-sections.def (cstring_section):
8632 Add SECTION_MERGE to the flags.
8633 (literal4_section): Likewise.
8634 (literal8_section): Likewise.
8635 (objc_selector_refs_section): Likewise.
8636 (objc_cls_refs_section): Likewise.
8637 * config/darwin.c (darwin_asm_output_anchor): New
8639 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8641 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8643 Fix PR tree-optimization/26443
8644 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8645 to todo and PROP_tmt_usage to properties_destroyed.
8646 * tree-ssa-ccp.c (pass_ccp): Ditto.
8647 (pass_store_ccp): Ditto.
8648 * tree-ssa-dom.c (pass_dominator): Ditto.
8650 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8652 * tree-ssa-operands.c: Cleanup whitespace.
8653 (get_asm_expr_operands): Move before first invocation.
8654 (get_indirect_ref_operands): Likewise.
8655 (get_tmr_operands): Likewise.
8656 (get_call_expr_operands): Likewise.
8657 (append_def): Likewise.
8658 (append_use): Likewise.
8659 (append_v_may_def): Likewise.
8660 (append_v_must_def): Likewise.
8661 (add_call_clobber_ops): Likewise.
8662 (add_call_read_ops): Likewise.
8663 (add_stmt_operand): Likewise.
8664 (add_virtual_operand): Likewise.
8665 (build_ssa_operands): Likewise.
8667 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8672 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8673 with a call expr to ...
8674 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8676 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8678 * tree-vrp.c (extract_range_from_assert): Remove special
8679 handling for types with super-types.
8681 2006-03-01 Ben Elliston <bje@au.ibm.com>
8683 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8684 and powerpc64-*-linux* configurations.
8685 * config/t-dfprules: New file.
8687 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8688 Compile dfp-bit.c from the source directory using -DWIDTH and
8689 $DFP_CFLAGS to control the compilation of that file, rather than
8690 generating width-specific versions in the build directory.
8691 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8692 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8694 2006-02-28 Zack Weinberg <zackw@panix.com>
8696 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8699 2006-02-28 Eric Christopher <echristo@apple.com>
8701 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8702 Set up IN_LIBGCC definition of TARGET_64BIT.
8703 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8705 2006-02-28 Roger Sayle <roger@eyesopen.com>
8708 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8709 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8710 cases via the construction of "expr != 0".
8712 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8714 * alias.c (alias_invariant, alias_invariant_size): Remove.
8715 (record_base_value): Remove.
8716 (memrefs_conflict_p): Don't look at alias_invariant.
8717 (end_alias_analysis): Don't free it.
8718 * alias.h (record_base_value): Remove prototype.
8720 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8721 Adam Nemet <anemet@caviumnetworks.com>
8723 * rtl.h (truncated_to_mode): Declare it.
8724 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8725 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8726 (RTL_HOOKS_INITIALIZER): Include it.
8727 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8728 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8729 reg_truncated_to_mode.
8730 * rtlanal.c (truncated_to_mode): Define it.
8731 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8733 2006-02-28 Jeff Law <law@redhat.com>
8735 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8736 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8737 the range allowed by TYPE_PRECISION.
8739 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8741 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8743 PR tree-optimization/26419
8744 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8747 2006-02-27 Zack Weinberg <zackw@panix.com>
8749 * doc/md.texi: Fix typo in previous change.
8751 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8755 2006-02-27 Zack Weinberg <zackw@panix.com>
8757 * rtl.def (define_constraint, define_register_constraint)
8758 (define_memory_constraint, define_address_constraint): New MD forms.
8759 * gensupport.c (process_rtx): Put define_constraint etc on the
8761 * genpreds.c (process_define_predicate): Adjust comment. Validate
8762 the name, and call validate_exp to validate the expression.
8763 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8764 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8765 all callers changed.
8766 (validate_exp, needs_variable, struct constraint_data)
8767 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8768 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8769 (const_dbl_constraints, constraint_max_namelen)
8770 (have_register_constraints, have_memory_constraints)
8771 (have_address_constraints, have_address_constraints)
8772 (have_extra_constraints, have_const_int_constraints)
8773 (have_const_dbl_constraints, mangle, add_constraint)
8774 (process_define_constraint, process_define_register_constraint)
8775 (write_enum_constraint_num, write_lookup_constraint)
8776 (write_insn_constraint_len, write_regclass_for_constraint)
8777 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8778 (write_insn_extra_memory_constraint)
8779 (write_insn_extra_address_constraint)
8780 (write_satisfies_constraint_fns): New.
8781 (write_tm_preds_h): If we have new-style constraint definitions,
8782 prototype the functions generated from them, and define the
8783 old constraint interface (still used by generic code) in terms of
8785 (write_insn_preds_c): If we have new-style constraint definitions,
8786 generate all relevant functions from those definitions.
8787 (main): Handle define_constraint etc.
8788 * genoutput.c (struct constraint_data, indep_constraints)
8789 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8790 (mdep_constraint_len): New data structures and functions, defined
8791 #ifdef USE_MD_CONSTRAINTS.
8792 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8793 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8794 use new logic to validate operand constraints against constraint
8796 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8798 * defaults.h: If none of the old-style constraint macros are
8799 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8800 old-style macros; and poison REG_CLASS_FROM_LETTER,
8801 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8803 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8804 * doc/md.texi: Document new constraint-definition mechanism and the
8805 C interface it provides. Remove references to old mechanism
8806 elsewhere in the document.
8807 (Machine Constraints): Use pathnames relative to gcc directory,
8808 i.e. config/ARCH/FILE. Change i386 section to refer to
8809 config/i386/predicates.md; update that section to match docstrings.
8810 * doc/tm.texi: Move all documentation of the old constraint-
8811 definition macros to their own section, clearly mark as obsolete.
8813 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8814 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8816 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8817 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8818 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8820 (splits and peepholes): Use satisfies_constraint_*.
8821 * config/i386/i386.c (memory_address_length)
8822 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8824 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8826 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8827 scalar operation to be put back into the loop.
8829 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8832 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8833 (extract_cie_info): Handle S flag in augmentation string.
8834 (execute_cfa_program): If context->signal_frame, execute also
8835 fs->pc == context->ra instructions.
8836 (uw_frame_state_for): If context->signal_frame, don't subtract one
8837 from context->ra to find FDE.
8838 (uw_update_context_1): Set context->signal_frame to
8840 (_Unwind_GetIPInfo): New function.
8841 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8842 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8844 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8845 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8846 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8847 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8848 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8849 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8850 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8851 x86_64_fallback_frame_state): Set fs->signal_frame.
8852 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8853 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8854 (frob_update_context): Likewise. Workaround missing S flag in
8855 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8856 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8857 Remove the psw_addr + 1 hack.
8859 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8861 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8862 with aggregates here.
8863 (find_func_aliases): Remove code for &<aggregate> from here.
8865 2006-02-26 Roger Sayle <roger@eyesopen.com>
8867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8868 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8869 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8872 2006-02-26 Roger Sayle <roger@eyesopen.com>
8875 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8877 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8879 * opts.c (decode_options): Do not handle flag_strength_reduce.
8880 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8881 and OPT_fstrength_reduce.
8882 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8883 flag_prefetch_loop_arrays for being nonzero.
8884 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8886 (fprefetch-loop-arrays-rtl): Removed.
8887 (flag_prefetch_loop_arrays): Do not specify the value.
8889 * doc/passes.texi: Update documentation of loop optimizer
8891 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8892 -frerun-loop-opt): Remove.
8894 2006-02-26 Richard Guenther <rguenther@suse.de>
8896 PR tree-optimization/26421
8897 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8898 in function calls that are ADDR_EXPRs as using the whole structure.
8900 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8902 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8903 * tree-pass.h (pass_loop_optimize): Remove.
8904 * passes.c (pass_loop_optimize): Never run it.
8905 * toplev.c (backend_init): Don't call init_loop.
8906 * opts.c (flag_loop_optimize_set): Remove.
8907 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8908 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8909 the old RTL loop optimizer when profiling enabled.
8910 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8911 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8912 pre-headers for the sake of the old RTL loop optimizer.
8913 * Makefile.in: Remove all references to loop.o.
8915 * doc/invoke.texi: Remove all references to -floop-optimize
8916 and -frerun-loop-opt.
8918 2006-02-26 Zack Weinberg <zackw@panix.com>
8920 * doc/md.texi (Machine Constraints): Refer to all files with paths
8921 relative to gcc directory (i.e. config/CPU/file). Add missing
8922 @table @code ... @end table to M32C subsection.
8924 2006-02-26 Roger Sayle <roger@eyesopen.com>
8926 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8928 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8930 2006-02-26 Roger Sayle <roger@eyesopen.com>
8931 James A. Morrison <phython@gcc.gnu.org>
8934 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8935 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8936 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8937 signedness of the shift operation.
8939 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8941 PR tree-optimization/26359
8942 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8944 2006-02-25 Roger Sayle <roger@eyesopen.com>
8946 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8947 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8948 as X == 0, and some symmetry related transformations.
8949 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8951 2006-02-25 Roger Sayle <roger@eyesopen.com>
8954 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8955 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8956 symmetry related transformations. Fold (X^C1) == C2 as
8959 2006-02-25 Juergen Weigert <jw@suse.de>
8960 Richard Guenther <rguenther@suse.de>
8962 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8964 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8966 * combine.c (gen_lowpart_or_truncate): Call
8967 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8969 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8971 * doc/invoke.texi: Move -fopenmp description to "Options for
8973 Remove reference to -lgomp.
8975 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8977 * doc/install.texi: Require GNU tar version 1.14.
8979 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8981 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8982 * doc/invoke.texi (C++ Dialect Options): Document
8983 -fno-use-cxa-get-exception-ptr.
8984 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8985 * configure: Regenerate.
8986 * c.opt (fuse-cxa-get-exception-ptr): New.
8987 * c-opts.c (c_common_handle_option): Handle
8988 OPT_fuse_cxa_get_exception_ptr.
8989 * c-common.c (flag_use_cxa_atexit): Update documentation.
8990 (flag_use_cxa_get_exception_ptr): New.
8991 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8992 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8994 (C_COMMON_OVERRIDE_OPTIONS): New.
8996 2006-02-24 Roger Sayle <roger@eyesopen.com>
8999 * combine.c (try_combine): Explicitly check whether GET_CODE is
9000 a SET or a CLOBBER, instead on checking that it isn't a USE.
9002 2006-02-24 Roger Sayle <roger@eyesopen.com>
9004 * fold-const.c (fold_comparison): New subroutine of fold_binary
9005 containing transformations common to both the equality and
9006 ordering relational operators, factored out of fold_binary.
9007 (fold_binary): Separate out the equality operators (EQ_EXPR
9008 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9009 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9010 transformations common to both.
9011 (fold_div_compare): Fix latent bugs in the previously unreachable
9012 LT_EXPR and GE_EXPR cases.
9014 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9016 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9017 decl libname for clog to __clog on AIX.
9019 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9021 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9024 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9025 output traceback table for thunks. Localise rs6000_stack_info call.
9027 2006-02-23 Roger Sayle <roger@eyesopen.com>
9028 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9030 * gthr-posix.h (__gthrw): Fix typo in comment.
9032 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9034 * doc/cpp.texi (Character sets): Document that we do support
9035 input files to be in any character set.
9037 2006-02-23 Jeff Law <law@redhat.com>
9039 * tree.h (PHI_ARG_NONZERO): Remove.
9040 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9041 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9042 node to the new node.
9044 PR tree-optimization/26425
9045 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9046 min/max, then assume its varying.
9048 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9050 PR rtl-optimization/26316
9051 * rtlanal.c (enum may_trap_p_flags): New.
9052 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9053 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9054 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9055 (may_trap_after_code_motion_p): New function.
9056 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9057 (find_invariant_insn): Use may_trap_after_code_motion_p.
9058 * rtl.h (may_trap_after_code_motion_p): Declare.
9060 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9062 * emit-rtl.c (immed_double_const): Cleanup.
9064 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9066 Fix PR tree-optimization/26376
9067 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9070 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9073 * gimplify.c (omp_add_variable): Guard variable size decl test with
9074 DECL_SIZE (decl) check.
9076 2006-02-23 Richard Guenther <rguenther@suse.de>
9079 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9080 like aggregate types.
9082 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9084 * configure.ac: Add --with{,out}-long-double-128 configure option.
9085 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9086 * configure: Rebuilt.
9087 * config.in: Rebuilt.
9088 * doc/install.texi (Options specification): Document
9089 --with-long-double-128.
9091 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9092 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9093 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9094 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9096 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9098 * config/s390/s390.c (override_options): Handle
9099 TARGET_DEFAULT_LONG_DOUBLE_128.
9101 * config/alpha/alpha.c (override_options): Handle
9102 TARGET_DEFAULT_LONG_DOUBLE_128.
9104 * config/sparc/sparc.c (sparc_override_options): Handle
9105 TARGET_DEFAULT_LONG_DOUBLE_128.
9107 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9109 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9110 (real-install-headers-tar, real-install-headers-cpio)
9111 (real-install-headers-cp): New targets.
9113 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9115 * tree.h (variable_section): Delete.
9116 * varasm.c (variable_section): Delete.
9118 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9120 * install.texi: Add notes on install.texi2html.
9121 (Building in parallel): Do not use footnotes.
9123 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9126 * doc/install.texi (Configuration): Document --disable-libgomp.
9128 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9130 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9132 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9134 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9135 (vec_extractv2df_0_sse): New.
9137 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9139 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9140 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9141 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9142 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9143 to the result of the expression.
9144 (def_cfa_1): Adjust.
9145 (frame_pointer_cfa_offset): Rename to...
9146 (frame_pointer_fb_offset): ... this. Adjust all uses.
9147 (convert_cfa_to_loc_list): Rename to...
9148 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9149 Pass it on to build_cfa_loc.
9150 (compute_frame_pointer_to_cfa_displacement): Rename to...
9151 (compute_frame_pointer_to_fb_displacement): ... this. New
9152 offset parameter. Use it in computation.
9153 (gen_subprogram_die): Compute cfa_fb_offset with the new
9154 macro, and use it to compute the fb loc list and the
9157 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9159 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9160 replaced with register_operand.
9161 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9162 non-DREG is expensive.
9163 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9164 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9167 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9169 * doc/install.texi2html: Use set -e.
9171 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9173 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9174 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9175 * doc/invoke.texi (-fshared-data): Delete.
9176 * common.opt (fshared-data): Delete.
9177 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9178 (assemble_static_space): Remove #if 0 code.
9179 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9180 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9181 * config/cris/cris.h: Remove FIXME.
9183 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9185 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9188 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9191 * combine.c (simplify_shift_const_1): Disable nested shifts
9192 optimization for vector shifts.
9194 2006-02-20 Roger Sayle <roger@eyesopen.com>
9196 PR tree-optimization/26361
9197 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9198 of unsigned integer types.
9200 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9202 * tree-chrec.c (eq_evolutions_p): New.
9203 * tree-chrec.h (eq_evolutions_p): Declared.
9204 * tree-data-ref.c: Fix formatting.
9205 (datadep_stats, dependence_stats): New.
9207 (print_direction_vector): New.
9208 (dump_data_dependence_relation): Use print_direction_vector.
9209 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9210 (compute_subscript_distance): Static.
9211 (initialize_data_dependence_relation): Static. Get the number
9212 of loops surrounding the references from the callers, and initialize
9213 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9214 base_object_differ_p analyzers.
9215 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9216 compute_overlap_steps_for_affine_1_2,
9217 analyze_subscript_affine_affine): Count the classified dependences.
9218 Print a message when a test failed.
9219 (can_use_analyze_subscript_affine_affine): New.
9220 (analyze_siv_subscript): Compute the data dependences on symbolic
9221 scevs that verify can_use_analyze_subscript_affine_affine.
9222 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9223 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9224 Handle symbolic scevs.
9225 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9227 (subscript_dependence_tester): Moved...
9228 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9229 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9230 DDR_SIZE_VECT instead of getting it in parameter.
9231 (subscript_dependence_tester): ... here. Take as a parameter
9232 loop_nest_depth. Call build_classic_dist_vector and
9233 build_classic_dir_vector.
9234 (compute_affine_dependence): Update subscript_dependence_tester
9235 parameters. Update datadep_stats counters. Call
9236 compute_subscript_distance.
9237 (compute_self_dependence): Save the dist and dir vectors. Call
9238 compute_subscript_distance.
9239 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9240 (compute_all_dependences): Reorder parameters as they were before
9241 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9242 compute_subscript_distance. Update the use of
9243 compute_affine_dependence and initialize_data_dependence_relation.
9244 (find_data_references_in_loop): Handle COMPONENT_REF.
9245 (compute_data_dependences_for_loop): Initialize dependence_stats.
9246 Don't call build_classic_dist_vector and build_classic_dir_vector.
9247 Update the parameters of initialize_data_dependence_relation and
9248 compute_all_dependences. Print the statistics from datadep_stats.
9249 (analyze_all_data_dependences): Static. Not used until the pass for
9250 checking the data dependences is contributed.
9251 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9252 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9253 (initialize_data_dependence_relation, compute_affine_dependence,
9254 analyze_all_data_dependences, compute_subscript_distance): Removed.
9255 (print_direction_vector): New.
9256 * lambda.h (gcd): ... here.
9257 (lambda_vector_gcd): Moved here from gcd_vector.
9258 * lambda-code.c (gcd, gcd_vector): Removed.
9259 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9260 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9262 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9264 * ipa-type-escape.c: Tidy some comments and white space.
9265 * tree-ssa-operands.c: Likewise.
9267 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9270 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9271 (dump_decl_name): Do not walk the decl tree chains.
9272 * tree-pass.h (TDF_CHAIN): Remove.
9274 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9276 * Makefile.in (C): Remove
9278 (.PHONY): Remove C and PROTO
9280 2006-02-20 Roger Sayle <roger@eyesopen.com>
9283 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9284 deprecated CHAR_TYPE tree code.
9286 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9288 * configure.ac (target_list): Add install-info, dvi, html.
9289 * configure: Regenerate.
9291 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9292 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9293 treelang/Make-lang.in: Do not use double-colon rules.
9295 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9297 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9298 (TMT_USED_ALONE): New macro.
9299 * tree-pass.h (PROP_tmt_usage): New property.
9300 (TODO_update_tmt_usage): New todo.
9301 * tree-ssa-alias.c (updating_used_alone): New variable.
9302 (recalculate_used_alone): New function.
9303 (compute_may_aliases): Set updating_used_alone, call
9304 recalculate_used_alone.
9305 * tree-sra.c (pass_sra): Note that this pass destroys
9306 PROP_tmt_usage, and add TODO_update_tmt_usage.
9307 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9308 * tree-flow.h (updating_used_alone): Prototype.
9309 (recalculate_used_alone): Ditto.
9310 * passes.c (execute_todo): Add code to set updating_used_alone,
9311 and call recalculate.
9312 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9313 for clobber if used alone, and add assert to verify used_alone
9316 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9318 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9319 for non tls symbols added.
9320 (legitimize_address): Do nothing for PLUS expressions if one of the
9321 addends is a tls symbol reference.
9323 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9327 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9329 * Makefile.in (BOOTSTRAPPING): New.
9330 (quickstrap): New definition if BOOTSTRAPPING=yes.
9332 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9333 * configure.ac: Substitute all_selected_languages with the languages
9334 that were configured. For all the other variables except
9335 lang_specs_files, include all the languages in the tree.
9336 * configure: Regenerate.
9338 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9339 if there is one. Run the commands to run fixincludes in the same
9342 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9343 * doc/install.texi: Document exact conventions for searching target tools.
9344 Document --with-build-time-tools. Document toplevel bootstrap. Document
9345 something more about building an Ada cross-compiler. Don't list GNU Make
9346 requirements which affect all platforms.
9348 2006-02-19 Roger Sayle <roger@eyesopen.com>
9351 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9352 only equivalent if the have both the same mode and precision.
9354 2006-02-20 Ben Elliston <bje@au.ibm.com>
9356 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9358 2006-02-19 Roger Sayle <roger@eyesopen.com>
9359 Steven Bosscher <stevenb.gcc@gmail.com>
9361 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9362 constant pool references to identify stack mode constants.
9363 * rtlanal.c (constant_pool_constant_p): New predicate to check
9364 whether operand is a floating point constant in the pool.
9365 * rtl.h (constant_pool_constant_p): Prototype here.
9366 * loop.c (scan_loop): Avoid hoisting constants from the constant
9367 pool on STACK_REGS targets.
9368 (load_mems): Likewise.
9369 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9370 loads into x87 registers expensive in terms of register pressure.
9372 2006-02-19 Roger Sayle <roger@eyesopen.com>
9374 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9375 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9377 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9379 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9380 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9382 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9384 * doc/invoke.texi: Document -fipa-pta.
9385 * common.opt: Add ipa-pta option.
9386 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9387 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9388 (do_ds_constraint): Ditto.
9389 (get_constraint_for): Only add to referenced_vars if
9390 referenced_vars exists.
9391 (insert_into_field_list): Rewrite to do this unsorted.
9392 (insert_into_field_list_sorted): Rename old insert_into_field_list
9394 (create_function_info_for): Use insert_into_field_list_sorted.
9395 (create_variable_info_for): Rewrite so it uses unsorted version,
9396 since the field list is sorted.
9397 (intra_create_variable_infos): Only add to referenced_vars if
9398 referenced_vars exists.
9399 (ipa_pta_execute): Init heapvars, and delete when done.
9400 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9402 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9404 * doc/install.texi: Add missing `@samp'.
9406 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9408 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9411 2006-02-18 Mark Wielaard <mark@klomp.org>
9413 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9414 who added new 4.1 features, bug fixes and integration support.
9416 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9419 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9422 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9424 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9425 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9426 (copy_insn_1): Likewise. Don't copy each field individually.
9428 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9430 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9431 * rtl.c (rtx_size): Rename variable to...
9432 (rtx_code_size): ...this.
9433 (rtx_size): New function.
9434 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9435 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9437 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9438 * rtl.h (rtx_code_size): New variable.
9439 (rtx_size): Change from a variable to a function.
9440 (RTX_SIZE): Rename to...
9441 (RTX_CODE_SIZE): ...this.
9444 PR tree-optimization/17106
9445 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9446 (Anchored Addresses): New section.
9447 * doc/invoke.texi (-fsection-anchors): Document.
9448 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9449 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9450 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9451 * hooks.c (hook_bool_mode_rtx_false): New function.
9452 * hooks.h (hook_bool_mode_rtx_false): Declare.
9453 * gengtype.c (create_optional_field): New function.
9454 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9455 SYMBOL_REF_IN_BLOCK_P is true.
9456 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9457 (min_anchor_offset, max_anchor_offset): Likewise.
9458 (use_anchors_for_symbol_p): New hook.
9459 * toplev.c (compile_file): Call output_object_blocks.
9460 (target_supports_section_anchors_p): New function.
9461 (process_options): Check that -fsection-anchors is only used on
9462 targets that support it and when -funit-at-a-time is in effect.
9463 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9464 if the decl doesn't have one.
9465 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9466 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9467 of force_const_mem through use_anchored_address.
9468 (expand_expr_constant): New function.
9469 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9470 calling expand_expr for INDIRECT_REF.
9471 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9472 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9473 * expr.h (use_anchored_address): Declare.
9474 * loop-unroll.c: Don't declare rtx vectors here.
9475 * explow.c: Include output.h.
9476 (validize_mem): Call use_anchored_address.
9477 (use_anchored_address): New function.
9478 * common.opt (-fsection-anchors): New switch.
9479 * varasm.c (object_block_htab, anchor_labelno): New variables.
9480 (hash_section, object_block_entry_eq, object_block_entry_hash)
9481 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9482 (use_blocks_for_decl_p, change_symbol_section): New functions.
9483 (get_variable_section): New function, split out from assemble_variable.
9484 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9485 use_blocks_for_decl_p say so. Use change_symbol_section if the
9486 symbol has already been created.
9487 (assemble_variable_contents): New function, split out from...
9488 (assemble_variable): ...here. Don't output any code for
9489 block symbols; just pass them to place_block_symbol.
9490 Use get_variable_section and assemble_variable_contents.
9491 (get_constant_alignment, get_constant_section, get_constant_size): New
9492 functions, split from output_constant_def_contents.
9493 (build_constant_desc): Create a block symbol if use_object_blocks_p
9494 says so. Or into SYMBOL_REF_FLAGS.
9495 (assemble_constant_contents): New function, split from...
9496 (output_constant_def_contents): ...here. Don't output any code
9497 for block symbols; just pass them to place_section_symbol.
9498 Use get_constant_section and get_constant_alignment.
9499 (force_const_mem): Create a block symbol if use_object_blocks_p and
9500 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9501 (output_constant_pool_1): Add an explicit alignment argument.
9502 Don't switch sections here.
9503 (output_constant_pool): Adjust call to output_constant_pool_1.
9504 Switch sections here instead. Don't output anything for block symbols;
9505 just pass them to place_block_symbol.
9506 (init_varasm_once): Initialize object_block_htab.
9507 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9508 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9509 (place_block_symbol, get_section_anchor, output_object_block)
9510 (output_object_block_htab, output_object_blocks): New functions.
9511 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9512 (TARGET_ASM_OUT): Include it.
9513 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9514 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9515 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9516 (TARGET_INITIALIZER): Include them.
9517 * rtl.c (rtl_check_failed_block_symbol): New function.
9518 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9519 (block_symbol, object_block): New structures.
9520 (rtx_def): Add a block_symbol field to the union.
9521 (BLOCK_SYMBOL_CHECK): New macro.
9522 (rtl_check_failed_block_symbol): Declare.
9523 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9524 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9525 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9526 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9527 * output.h (output_section_symbols): Declare.
9528 (object_block): Name structure.
9529 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9530 (default_use_anchors_for_symbol_p): Declare.
9531 * Makefile.in (RTL_BASE_H): Add vec.h.
9532 (explow.o): Depend on output.h.
9533 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9534 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9535 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9536 (rs6000_use_blocks_for_constant_p): New function.
9538 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9540 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9542 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9545 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9548 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9550 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9554 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9557 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9558 instead of DECL_REGISTER.
9560 2006-02-18 Olivier Hainque <hainque@adacore.com>
9563 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9565 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9568 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9569 * opth-gen.awk: Handle Var and InverseMask together.
9570 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9571 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9572 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9573 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9575 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9576 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9577 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9578 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9579 LINUX_DYNAMIC_LINKER): Define.
9580 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9581 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9583 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9584 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9585 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9587 (TARGET_C99_FUNCTIONS): Don't define.
9588 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9589 GLIBC_DYNAMIC_LINKER.
9590 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9591 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9592 GLIBC_DYNAMIC_LINKER64): Define.
9593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9594 LINUX_DYNAMIC_LINKER64.
9595 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9597 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9599 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9601 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9602 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9603 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9605 and LINUX_DYNAMIC_LINKER32.
9606 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9608 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9610 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9612 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9613 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9614 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9615 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9616 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9617 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9618 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9619 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9621 LINUX_DYNAMIC_LINKER): Define.
9622 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9623 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9624 GLIBC_DYNAMIC_LINKER64): Define.
9625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9626 LINUX_DYNAMIC_LINKER64.
9627 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9628 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9629 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9630 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9631 LINUX_DYNAMIC_LINKER): Define.
9632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9633 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9634 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9635 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9636 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9637 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9638 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9639 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9640 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9641 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9643 * doc/invoke.texi (-muclibc): Remove caveat about supported
9646 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9648 * doc/cpp.texi (__TIMESTAMP__): Document.
9650 2006-02-17 Roger Sayle <roger@eyesopen.com>
9653 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9654 C is one less than the width of X (and related transformations).
9655 * simplify-rtx.c (simplify_unary_operation_1): Transform
9656 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9657 depending on STORE_FLAG_VALUE, were C is one less then the
9660 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9662 Fix PR tree-optimization/26341
9663 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9664 about NAME_MEMORY_TAG's.
9666 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9669 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9670 with hardware float support, and software float support. Add fcpy
9671 alternative to hardware patterns. Add alternatives to copy between
9672 general and floating-point registers to the 32-bit pattern.
9673 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9674 secondary reload to load a QI or HI mode constant into a floating
9676 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9677 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9679 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9682 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9684 (load_macho_picbase_di): Likewise.
9686 2006-02-16 Jeff Law <law@redhat.com>
9688 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9689 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9690 (ssa_name_nonzero_p): Likewise.
9691 (get_value_range): Return NULL if VRP is not running.
9692 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9693 VRP routines do not discover a range.
9694 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9695 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9696 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9697 (tree_expr_nonnegative_p): Similarly.
9698 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9699 (restore_nonzero_vars_to_original_value): Remove.
9700 (unsafe_associative_fp_binop): Remove.
9701 (tree_ssa_dominator_optimize): Remove initialization and
9702 finalization of nonzero_vars and nonzero_vars_stack.
9703 (dom_opt_initialize_block): No longer push marker on
9705 (dom_opt_finalize_block): No longer call
9706 restore_nonzero_vars_to_original_value.
9707 (record_equivalences_from_phis): No longer look for
9708 nonzero PHI arguments.
9709 (cprop_into_successor_phis): No longer propagate nonzero
9710 property into PHI arguments. Lose unused argument. Caller
9712 (record_equivalences_from_stmt): No longer record nonzero
9713 values for SSA_NAMEs.
9714 (lookup_avail_expr): No longer use nonzero_vars.
9716 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9717 for sizetype when sizetype is unsigned.
9719 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9721 PR rtl-optimization/25603
9722 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9723 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9724 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9725 with new meaning of SETS.
9727 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9732 * config/linux.opt: New file.
9733 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9734 LINUX_DYNAMIC_LINKER): Define.
9735 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9736 * config.gcc (*-*-linux*): Define extra_options.
9737 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9738 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9739 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9740 GLIBC_DYNAMIC_LINKER.
9741 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9742 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9743 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9744 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9745 * doc/invoke.texi (GNU/Linux Options): New section.
9747 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9749 * config/sparc/sparc.md (setjmp): Rewrite.
9750 (setjmp_32): Delete.
9751 (setjmp_64): Likewise.
9753 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9755 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9758 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9760 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9763 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9765 PR rtl-optimization/26296
9766 * Makefile.in (loop-invariant.c): Add except.h dependency.
9767 * loop-invariant.c: Include except.h.
9768 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9770 2005-02-16 Paul Brook <paul@codesourcery.com>
9772 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9775 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9777 PR rtl-optimization/25636
9778 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9779 when deciding whether an insn is an initializing insn.
9781 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9783 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9784 (tree_code_size): Ditto.
9785 * tree.h (struct tree_memory_tag): Remove parent_var.
9786 (struct tree_struct_field_tag): New.
9789 (union tree_node): Add sft member.
9790 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9792 (create_sft): Add size and offset argument, set SFT_OFFSET and
9794 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9795 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9796 * tree-flow-inline.h (get_subvar_at): Update for
9797 SFT_OFFSET/SFT_SIZE.
9798 (var_can_have_subvars): Ditto.
9799 (overlap_subvar): Ditto.
9800 * print-tree.c (print_node): Print out interesting things for
9802 * tree-flow.h (struct subvar): Remove offset and size members.
9803 * tree-ssa-operands.c (get_expr_operands): Update for
9804 get_indirect_ref_operands changes.
9805 (get_indirect_ref_operands): Call add_virtual_operand instead of
9806 add_stmt_operand. Only recurse on base var if requested.
9807 (access_can_touch_variable): New function.
9808 (add_stmt_operand): Split virtual operand handling into ...
9809 (add_virtual_operand): Here. Add offset, size, and for_clobber
9810 arguments. Prune alias sets.
9811 (add_call_clobber_ops): Call add_virtual_operand.
9813 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9816 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9818 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9819 than TREE_CODE as index into omp_clause_num_ops array.
9821 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9823 PR rtl-optimization/26184
9824 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9826 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9827 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9828 must_precede, must_follow and tobe_scheduled.
9831 * opts.c (common_handle_option): Free new_option pointer.
9832 * df-core.c (df_analyze): Free postorder pointer.
9834 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9836 * Makefile.in: Fix the examples about the use of stamps
9838 2006-02-15 Michael Matz <matz@suse.de>
9842 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9843 influenced by maximum_field_alignment or DECL_PACKED.
9844 (update_alignment_for_field): Ditto.
9845 (place_field): Ditto.
9846 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9849 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9851 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9852 (debug_flow_info): Pass it.
9853 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9854 * bb-reorder.c (reorder_basic_blocks): Likewise.
9855 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9856 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9857 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9858 * gcse.c (gcse_main, bypass_jumps): Likewise.
9859 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9860 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9861 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9862 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9863 * rtl.h (dump_flow_info): Adjust prototype.
9864 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9865 * var-tracking.c (variable_tracking_main): Likewise.
9866 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9867 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9870 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9872 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9875 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9877 PR tree-optimization/26209
9878 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9879 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9881 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9883 2006-02-14 Roger Sayle <roger@eyesopen.com>
9886 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9887 (X,Y) and the corresponding symmetry related transformations.
9888 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9889 (X,Y) and its symmetry related transformations.
9891 2006-02-14 Roger Sayle <roger@eyesopen.com>
9893 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9896 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9898 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9900 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9903 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9904 support COMDAT group.
9905 * configure: Regenerate.
9907 2006-02-14 Roger Sayle <roger@eyesopen.com>
9912 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9914 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9916 Fix PR tree-optimization/26260
9918 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9920 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9921 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9922 * tree-ssa-structalias.c (create_variable_info_for): Use
9923 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9925 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9927 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9929 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9930 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9931 of the ending condition.
9932 * tree-ssa-loop-manip.c: Include params.h.
9933 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9934 tree_unroll_loop): New functions.
9935 * tree-pass.h (pass_loop_prefetch): Declare.
9936 * loop.c (rest_of_handle_loop_optimize): Test for
9937 -fprefetch-loop-arrays-rtl.
9938 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9939 * timevar.def (TV_TREE_PREFETCH): New timevar.
9940 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9941 pass_loop_prefetch): New.
9942 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9943 (cleanup_tree_cfg_loop): Call scev_reset.
9944 * common.opt (fprefetch-loop-arrays-rtl): Add.
9945 * tree-ssa-loop-prefetch.c: New file.
9946 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9947 (new_temp_expr_table): Initialize expr_vars.
9948 (free_temp_expr_table): Cleanup expr_vars.
9949 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9950 expressions from being merged into one.
9951 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9952 (struct tree_niter_desc): Add control, bound and cmp fields.
9953 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9955 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9956 (tree-cfgcleanup.o): Add SCEV_H dependency.
9957 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9958 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9960 2006-02-14 Richard Guenther <rguenther@suse.de>
9962 PR tree-optimization/26258
9963 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9964 in PHI argument processing.
9966 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9968 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9969 new expression in the requested machine mode.
9971 2006-02-13 Roger Sayle <roger@eyesopen.com>
9973 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9974 directly, instead let do_compare_rtx_and_jump handle this for us.
9975 * expr.c (expand_expr_real_1): Likewise.
9976 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9977 before do_jump_by_parts_greater.
9978 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9979 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9981 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9983 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9985 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9987 PR rtl-optimization/26235
9988 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9989 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9992 2006-02-13 Jeff Law <law@redhat.com>
9994 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9997 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10000 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10001 twice if decl is a builtin. When trying again, call get_callee_fndecl
10002 first to verify it is still a builtin.
10004 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10006 * dwarf2out.c (base_type_die): Don't add AT_name here.
10007 (subrange_type_die): Don't add AT_name here.
10008 (modified_type_die): Rearrange code flow. Do add AT_name here.
10010 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10012 PR rtl-optimization/26247
10013 PR rtl-optimization/26248
10014 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10016 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10018 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10019 * config/fixtfdi.c: Likewise.
10020 * config/fixunstfdi.c: Likewise.
10021 * config/floatditf.c: Likewise.
10023 2006-02-13 Roger Sayle <roger@eyesopen.com>
10025 PR middle-end/24427
10026 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10027 into (X,C2) if C1 is a subset of the bits of C2. Transform
10028 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10030 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10032 2006-02-13 Josh Conner <jconner@apple.com>
10035 * varasm.c (function_section): Check for section name before
10036 calling select_section on targets that define
10037 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10038 unlikely_text_section instead of hot_function_section if
10039 first_function_block_is_cold.
10041 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10043 PR middle-end/25335
10044 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10046 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10048 PR rtl-optimization/26222
10049 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10050 after tree->rtl expansion.
10051 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10052 before passing it to emit_move_insn.
10054 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10056 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10058 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10059 Clarify documentation.
10060 * c-common.h (warn_write_strings): Remove.
10061 * c-common.c (warn_write_strings): Likewise.
10062 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10065 2006-02-12 Roger Sayle <roger@eyesopen.com>
10067 PR middle-end/25724
10068 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10069 (do_jump_parts_zero_rtx): New function renamed from
10070 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10071 (do_jump_parts_equality_rtx): New function split out from
10072 do_jump_parts_equality. Old implementation renamed as above.
10073 Call do_jump_parts_zero_rtx if either operand is zero.
10074 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10075 do all of the heavy lifting.
10076 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10077 calling either do_jump_by_parts_greater_rtx or
10078 do_jump_by_parts_equality_rtx.
10079 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10080 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10081 moved to do_compare_rtx_and_jump, call it directly.
10082 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10083 mode argument. Call do_compare_rtx_and_jump.
10084 (emit_case_nodes): Update calls to do_jump_if_equal.
10086 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10088 PR rtl-optimization/26225
10089 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10091 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10093 PR rtl-optimization/26232
10094 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10096 2006-02-11 Jason Merrill <jason@redhat.com>
10099 * tree-inline.c (declare_return_variable): Just don't use the
10100 modify target if it's a gimple complex reg and the return slot
10103 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10105 * doc/contrib.texi: Update my entry.
10107 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10109 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10111 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10113 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10116 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10118 * doc/invoke.texi (-floop-optimize2): Removed.
10119 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10120 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10121 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10122 * common.opt (floop-optimize2): Removed.
10123 (fmove-loop-invariants): Enabled by default.
10125 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10127 * tree-if-conv.c (combine_blocks): Free the result of
10128 get_loop_exit_edges.
10130 2006-02-10 Jeff Law <law@redhat.com>
10132 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10134 PR tree-optimization/26213
10135 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10136 loop trying to follow SSA_NAME_VALUE chains.
10138 2006-02-10 Richard Guenther <rguenther@suse.de>
10140 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10141 deal with structures that end in implicitly variable sized arrays.
10143 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10145 PR rtl-optimization/24762
10146 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10149 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10151 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10152 (struct ivopts_data): Add regs_used field.
10153 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10154 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10155 instead of loop_data->regs_used;
10156 (free_loop_data): Do not free aux fields for loops.
10157 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10158 and tree_ssa_iv_optimize_finalize.
10160 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10162 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10164 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10167 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10168 computing the effective result type.
10170 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10172 PR inline-asm/16194
10173 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10174 (tree_overlaps_hard_reg_set): Declare.
10175 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10176 type and signature to match function type expected by walk_tree.
10177 (tree_overlaps_hard_reg_set): New function.
10178 (decl_conflicts_with_clobbers_p): Rename to:
10179 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10180 Use tree_overlaps_hard_reg_set. Changed caller.
10181 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10182 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10183 * cris.c (cris_md_asm_clobbers): Likewise.
10185 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10187 * reload1.c (emit_input_reload_insns): Delete code that tries to
10188 inherit using find_equiv_reg.
10190 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10192 * c-common.h (flag_const_strings): Don't declare.
10193 * c-common.c (flag_const_strings): Remove.
10194 * c.opt (fconst_strings): Remove.
10195 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10196 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10197 (c_common_init_options): Don't set flag_const_strings.
10198 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10200 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10202 * arm.md (tlobits_cbranch): New pattern.
10203 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10204 testing a single bit.
10206 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10209 * tree-ssa-pre.c (create_component_ref_by_pieces):
10210 Handle RETURN_DECL like VAR_DECL.
10212 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10214 PR middle-end/26134
10215 * fold-const.c (fold_indirect_ref_1): Fold
10216 "*(foo *)&complexfoo" to "__real__ complexfoo"
10217 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10219 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10221 * tree-flow-inline.h (var_can_have_subvars):
10222 Volatile variables should not have subvariables.
10224 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10227 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10228 multiplying unsigned values.
10231 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10233 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10235 2006-02-08 Jason Merrill <jason@redhat.com>
10238 * tree.def: Elaborate on difference from MODIFY_EXPR.
10239 * doc/c-tree.texi (INIT_EXPR): Likewise.
10240 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10241 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10242 (gimplify_target_expr): Likewise.
10243 (gimplify_cond_expr): Remove target handling.
10244 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10245 (gimplify_expr): Clobber it here.
10246 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10247 Do return slot optimization if we have an INIT_EXPR.
10250 * tree-inline.c (declare_return_variable): Also clear
10251 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10254 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10256 PR middle-end/22439
10257 * gimplify.c (gimplify_one_sizepos): Fix typo.
10259 2006-02-08 Jeff Law <law@redhat.com>
10261 PR tree-optimization/21417
10262 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10263 across a backedge if the control statement at the end of the
10264 block is data dependent on other statements in the same block.
10265 (record_temporary_equivalences_from_stmts): Remove over-conservative
10266 test for threading across backedges.
10268 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10269 control statement, handle all three special cases in the same
10270 manner as they all have the same desired solution. No longer
10271 special case edge flag updating when the post dominator is
10274 2006-02-08 Roger Sayle <roger@eyesopen.com>
10276 * tree.def (CHAR_TYPE): Remove.
10277 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10278 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10279 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10280 (gen_string_type_die): Delete unreachable function.
10282 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10283 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10284 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10285 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10286 * builtins.c (type_to_class): Likewise.
10287 * fold-const.c (fold_convert, build_range_check,
10288 merge_ranges): Likewise.
10289 * expr.c (count_type_elements): Likewise.
10290 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10291 * stor-layout.c (layout_type): Likewise.
10292 * ipa-type-escape.c (type_to_consider): Likewise.
10293 * gimplify.c (omp_firstprivatize_type_sizes,
10294 gimplify_type_sizes): Likewise.
10295 * explow.c (promote_mode): Likewise.
10296 * tree-sra.c (is_sra_scalar_type): Likewise.
10297 * varasm.c (output_constant): Likewise.
10298 * tree-inline.c (remap_type_1): Likewise.
10299 * convert.c (convert_to_pointer, convert_to_real,
10300 convert_to_integer, convert_to_complex): Likewise.
10302 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10304 * df-scan.c (df_def_record_1): A set destination may
10305 be a parallel regardless of mode.
10307 2006-02-08 Roger Sayle <roger@eyesopen.com>
10310 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10311 * config/mips/_tilib.c: Remove.
10312 * config/fixtfdi.c: New libgcc source file.
10313 * config/fixunstfdi.c: New source file.
10314 * config/floatditf.c: New source file.
10315 * config/floatunditf.c: New souce file.
10316 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10317 files above instead of config/mips/_tilib.c.
10318 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10320 2006-02-08 Jeff Law <law@redhat.com>
10322 PR tree-optimization/26169
10323 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10326 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10328 * df.h (DF_REG_SIZE): Return the length of the initialized
10331 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10333 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10334 __muldf3): Return a correctly signed zero.
10336 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10338 * passes.c (register_one_dump_file): Accept the current properties
10339 instead of pass number. Adjust call to dump_register. Remove
10341 (register_dump_files): Now a wrapper around...
10342 (register_dump_files_1): ... this one. Do not modify the pass
10344 (next_pass_1): Cosmetic fix.
10345 (execute_todo): Keep second parameter only. Use curr_properties
10346 instead of fetching it from the pass structure. Check and set
10348 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10349 instead of fetching it from the pass structure. Fix calls to
10350 execute_todo. Update curr_properties and initialize .vcg RTL dump
10351 after running the pass. Reset last_verified.
10352 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10354 (FIRST_AUTO_NUMBERED_DUMP): New.
10355 (dump_register): Remove "num" parameter, assign it within the
10357 (get_dump_file_name): Modify template for dumps.
10358 * tree-dump.h (dump_register): Adjust prototype.
10359 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10360 (PROP_trees): Add PROP_gimple_lomp.
10361 (TODO_set_props): New.
10362 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10363 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10364 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10366 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10368 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10369 (sparc64-*-linux*): Likewise.
10370 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10371 * config/sparc/t-linux: New file.
10372 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10373 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10374 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10375 -m32 -mlong-double-128.
10377 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10378 * config/alpha/t-linux: New file.
10379 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10381 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10382 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10383 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10384 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10385 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10386 (CPP_ARCH32_SPEC): Remove.
10388 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10390 PR tree-optimization/26145
10391 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10394 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10397 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10398 >= 240000 when generating code for SOM runtime.
10399 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10400 to $$dyncall when generating code for SOM runtime..
10402 2006-02-07 Dirk Mueller <dmueller@suse.com>
10405 * doc/invoke.texi (-Wsequence-point): Update documentation
10406 that -Wsequence-point is implemented for C++ as well.
10408 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10410 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10411 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10412 (LIB_SPEC): Likewise.
10413 * doc/invoke.texi (SPARC options): Document -pthread.
10415 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10417 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10420 2006-02-07 Roger Sayle <roger@eyesopen.com>
10422 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10423 Correct comment describing BOOLEAN_TYPE.
10425 2006-02-07 Dirk Mueller <dmueller@suse.com>
10427 * c.opt: C++ frontend supports -Wdiv-by-zero.
10428 * c-opts.c (c_common_handle_option): Remove dead case.
10430 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10432 * configure.ac (TLS assembler check): Do not enable TLS by
10433 default on SPARC/Solaris before version 10.
10434 * configure: Regenerate.
10436 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10438 * doc/invoke.texi (xl-compat): Document conversion and support
10441 2006-02-07 Jeff Law <law@redhat.com>
10443 * tree-vrp.c (find_conditional_asserts): Update comments.
10444 (simplify_stmt_for_jump_threading): New.
10445 (identify_jump_threads, finalize_jump_threads): New.
10446 (vrp_finalize): Call identify_jump_threads.
10447 (execute_vrp): Call finalize_jump_threads.
10448 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10449 (vrp_element, vrp_data, vrp_element_p): Remove.
10450 (vrp_hash_elt, vrp_variables_stack): Remove.
10451 (vrp_hash, vrp_eq, record_range): Remove.
10452 (simplify_cond_and_lookup_avail_expr): Remove.
10453 (extract_range_from_cond): Remove.
10454 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10455 (simplify_stmt_for_jump_threading): New.
10456 (dom_thread_across_edge): New wrapper.
10457 (tree_ssa_dominator_optimize): No longer initialize or
10458 finalize any of the VRP datastructures. Remove iteration
10459 step and simplify as a result of removal of iteration step.
10460 (pass_dominator): Perform a cfg cleanup after DOM.
10461 (dom_opt_finalize_block): Use the new common routines
10462 for threading jumps. Simplify stack management slightly.
10463 No longer need to unwind VRP state.
10464 (record_equivalences_from_incoming_edge): No longer record
10466 (eliminate_redundant_computations): No longer call
10467 simplify_cond_and_lookup_avail_expr.
10468 * tree-flow.h (potentially_threadable_block): Prototype.
10469 (thread_across_edge): Likewise.
10470 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10471 (tree-ssa-threadedge.o): Add dependencies.
10472 * tree-ssa-threadedge.c: New file.
10473 * passes.c (init_optimization_passes): Merge PHIs before
10474 calling VRP. Run VRP again late in the SSA optimization pipeline.
10476 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10478 * df-core.c (df_set_blocks): Do not dereference function pointers.
10479 (df_finish1): Likewise.
10480 (df_hybrid_search_forward): Likewise.
10481 (df_hybrid_search_backward): Likewise.
10482 (df_iterative_dataflow): Likewise.
10483 (df_analyze_problem): Likewise.
10484 (df_compact_blocks): Likewise.
10485 (df_dump): Likewise.
10486 * df-scan.c (df_rescan_blocks): Likewise.
10487 (df_record_entry_block_defs): Likewise.
10489 * genconditions.c (write_conditions): Guard the definition of
10490 'insn_conditions' with the check on GCC version.
10491 (write_writer): Guard the traversal 'insn_conditions' with
10492 the check on GCC version.
10494 2006-02-07 Richard Guenther <rguenther@suse.de>
10498 2006-01-30 Richard Guenther <rguenther@suse.de>
10500 * gimplify.c (gimplify_target_expr): Handle easy cases
10501 without creating a temporary.
10503 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10505 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10506 use of float in probability computations. Use edge probabilities
10507 in place of statically computed probabilities.
10508 (min_spec_prob): New static variable.
10509 (schedule_insns): Initialize it.
10510 (GET_SRC_PROB): Removed.
10511 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10513 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10516 * config/ia64/unwind-ia64.c: Revert last change.
10517 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10518 (INCOMING_FRAME_SP_OFFSET): Define.
10520 2006-02-06 Roger Sayle <roger@eyesopen.com>
10522 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10524 2006-02-07 Ben Elliston <bje@au.ibm.com>
10526 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10527 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10528 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10529 (ix86_return_in_memory): Handle TDmode.
10530 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10531 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10533 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10535 * reorg.c (dbr_schedule): Use dump_file instead of file.
10537 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10540 * config/ia64/predicates.md (extr_len_operand): New predicate.
10541 * config/ia64/ia64.md (extv): Tighten constraints.
10543 (*tbit_and_2): Ditto.
10544 (*tbit_and_3): Ditto.
10545 (*tbit_or_2): Ditto.
10546 (*tbit_or_3): Ditto.
10547 (*bit_zero): Ditto.
10550 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10553 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10555 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10557 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10558 loop_optimizer_init and loop_optimizer_finalize
10559 * tree-ssa-sink.c (execute_sink_code): Ditto.
10560 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10561 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10562 tree_ssa_loop_done): Ditto.
10563 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10564 * sched-ebb.c: Include output.h.
10565 (schedule_ebbs): Do not use dump argument.
10566 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10567 * loop.c (loop_dump_stream): Removed.
10568 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10570 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10571 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10572 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10573 loop_iterations, strength_reduce, record_biv, record_giv,
10574 final_giv_value, check_final_value, check_ext_dependent_givs,
10575 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10576 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10577 dump_file instead of loop_dump_stream.
10578 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10579 argument dump_file.
10580 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10582 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10583 * haifa-sched.c: Include output.h
10584 (schedule_insns, sched_init): Do not use dump argument.
10585 * mode-switching.c (optimize_mode_switching): Ditto.
10586 * modulo-sched.c (stats_file): Removed.
10587 (print_node_sched_params): Do not call argument dump_file.
10588 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10589 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10591 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10593 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10594 rtl_loop_init, rtl_loop_done): Ditto.
10595 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10596 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10598 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10599 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10600 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10601 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10602 * emit-rtl.c (renumber_insns): Ditto.
10603 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10604 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10605 * regclass.c (regclass): Ditto.
10606 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10607 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10608 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10609 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10611 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10612 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10614 * gcse.c (gcse_file, debug_stderr): Removed.
10615 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10616 rest_of_handle_gcse): Do not use dump argument.
10617 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10618 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10619 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10620 compute_code_hoist_vbeinout, compute_code_hoist_data,
10621 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10622 compute_store_table, build_store_vectors, insert_insn_start_bb,
10623 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10624 store_motion): Use dump_file instead of gcse_file.
10625 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10626 * profile.c (profile_dump_file): Removed.
10627 (branch_prob): Use dump_file instead of profile_dump_file.
10628 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10630 * tree-ssa-copy.c (dump_copy_of): Ditto.
10631 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10632 dump file to life_analysis.
10633 * bt-load.c (branch_target_load_optimize): Ditto.
10634 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10636 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10637 regclass, dbr_schedule): Declaration changed.
10638 * sched-int.h (sched_init): Declaration changed.
10639 * tree-profile.c (tree_profile_dump_file): Removed.
10640 (tree_profile_hooks): Removed profile_dump_file hook.
10641 * rtl-profile (rtl_profile_dump_file): Removed.
10642 (rtl_profile_hooks): emoved profile_dump_file hook.
10643 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10645 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10646 * tree-cfg.c (build_tree_cfg): Ditto.
10647 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10648 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10649 Declaration changed.
10650 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10651 life_analysis and schedule_insns.
10652 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10654 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10656 * config/mips/mips.c (mips_reorg): Ditto.
10657 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10660 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10662 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10663 (s390_mangle_fundamental_type): New.
10664 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10667 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10668 (alpha_mangle_fundamental_type): New.
10669 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10672 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10674 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10676 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10677 (sparc_mangle_fundamental_type): New.
10679 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10681 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10682 (s390x-*-linux*): Likewise.
10683 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10684 * config/s390/t-linux: New file.
10686 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10688 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10689 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10691 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10693 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10694 (ANTIC_SAFE_LOADS): New macro.
10695 (find_or_generate_expression): Add prototype.
10696 (set_contains_value): Allow null set for sake of not always having
10697 to allocate ANTIC_SAFE_LOADS.
10698 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10699 Allow COMPONENT_REF too.
10700 (valid_in_set): Allow COMPONENT_REF.
10701 Check ANTIC_SAFE_LOADS too.
10702 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10703 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10705 (can_PRE_operation): Add COMPONENT_REF.
10706 (create_component_ref_by_pieces): New function.
10707 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10708 (insert_aux): Move AGGREGATE_TYPE_P check here.
10709 (compute_avail): Set bb local stmt uids.
10710 (pass_pre): Use TODO_update_ssa_only_virtuals.
10712 2006-02-06 Ben Elliston <bje@au.ibm.com>
10714 * configure.ac: Unconditionally disable decimal float by default.
10715 * configure: Regenerate.
10717 2006-02-06 Ben Elliston <bje@au.ibm.com>
10719 * read-rtl.c (read_name): Terminate reading on EOF.
10721 2006-02-06 Ben Elliston <bje@au.ibm.com>
10723 * dfp.c (decimal_real_arithmetic): Change second argument type
10724 from int to enum tree_code. Do not always return true, but now
10725 return result of any call to decimal_do helper functions.
10726 * dfp.h (decimal_real_arithmetic): Update prototype.
10728 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10730 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10732 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10735 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10738 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10740 * tree-vrp.c (cfg_loops): Removed.
10741 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10742 Use current_loops instead of cfg_loops. Pass flags to
10743 loop_optimizer_init.
10744 * cfgloopmanip.c (fix_loop_structure): Update only available
10746 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10747 loop_optimizer_init.
10748 * modulo-sched.c (build_loops_structure): Removed.
10749 (sms_schedule): Use loop_optimizer_init.
10750 * loop-init.c (loop_optimizer_init): Use flags to determine
10751 which properties of loops to prepare.
10752 (rtl_loop_init): Pass flags to loop_optimizer_init.
10753 * tree-ssa-sink.c (execute_sink_code): Ditto.
10754 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10755 * tree-ssa-pre.c (init_pre): Ditto.
10756 * cfgloop.h (LOOPS_NORMAL): New.
10757 (loop_optimizer_init): Declaration changed.
10759 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10761 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10762 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10764 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10766 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10768 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10769 * pa/t-pa64: Delete quadlib.c rule.
10770 * pa/x-ada: Revert last change.
10771 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10773 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10775 PR rtl-optimization/26087
10776 * rtlanal.c (canonicalize_condition): Do not cross basic block
10779 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10782 * config/ia64/ia64.c: Include debug.h.
10783 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10784 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10785 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10786 (process_epilogue, process_set, process_for_unwind_directive):
10787 Output unwind info only if requested. Add CFA info if requested.
10788 Add new arguments as needed. Adjust callers.
10789 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10791 (DWARF2_FRAME_INFO): Define to zero.
10792 * config/ia64/unwind-ia64.c: Remove code that compensated for
10793 the CFA offset error fixed above.
10794 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10795 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10796 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10797 -funwind-tables and -fexceptions to enable frame info.
10798 (dwarf2out_frame_init): Define initial CFA even if
10799 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10800 DWARF2_UNWIND_INFO is nonzero, not just defined.
10801 (dwarf2out_frame_finish): Output non-EH call frame info only
10802 if DWARF2_FRAME_INFO is nonzero.
10803 (convert_cfa_to_loc_list,
10804 compute_frame_pointer_to_cfa_displacement): Define even if
10805 unwind info is not supported.
10806 (gen_subprogram_die): Use the above unconditionally. Remove
10807 legacy alternate code.
10808 * toplev.c (compile_file): Compile in call to
10809 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10810 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10812 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10813 Jakub Jelinek <jakub@redhat.com>
10815 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10816 IBM extended float format long double as "g" on powerpc*-linux.
10818 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10821 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10822 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10824 2006-02-03 Jason Merrill <jason@redhat.com>
10827 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10829 PR middle-end/25977
10830 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10831 on the return slot if it's an NRV.
10833 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10835 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10836 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10837 rewrite_use): Do not handle USE_OUTER.
10838 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10839 add_iv_outer_candidates, may_replace_final_value,
10840 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10841 (find_interesting_uses_op): Functionality of
10842 find_interesting_uses_outer_or_nonlin moved here.
10843 (find_interesting_uses_outside): Use find_interesting_uses_op.
10845 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10848 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10850 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10851 Ulrich Weigand <uweigand@de.ibm.com>
10854 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10855 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10856 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10857 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10859 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10860 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10861 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10862 Define secondary reloads for TFmode moves.
10863 (constant_modes): Add TFmode.
10864 (NR_C_MODES): Set to 8.
10865 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10867 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10868 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10869 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10870 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10871 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10872 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10873 (FPR mode macro): Add TFmode.
10874 (DSF mode macro): New.
10875 (<de>, <dee> mode attributes): Removed.
10876 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10877 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10878 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10879 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10880 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10881 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10882 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10883 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10884 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10885 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10886 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10887 "*negabs<mode>2", "sqrt<mode>2"):
10888 Changed <de> to <xde>. R constraint replaced by <Rf>.
10889 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10891 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10892 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10893 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10895 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10896 "extenddftf2", "extendsftf2"): New expanders.
10897 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10898 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10899 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10900 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10902 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10903 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10904 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10905 __floatditf): Add a GCC_4.1.0 symbol version tag.
10906 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10909 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10912 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10913 Use targetm.binds_local_p instead of TREE_PUBLIC.
10915 2006-02-02 Roger Sayle <roger@eyesopen.com>
10917 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10918 on INTEGER_TYPEs to indicate that it denotes a character type.
10919 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10920 signed_char_type_node, unsigned_char_type_node and char_type_node.
10921 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10922 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10923 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10925 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10926 Daniel Berlin <dberlin@dberlin.org>
10928 * tree-tailcall.c (arg_needs_copy_p): New function.
10929 (eliminate_tail_call): Use arg_needs_copy_p.
10930 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10931 (add_virtual_phis): New function.
10933 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10935 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10936 #ignore instead of #scratch for %g7 .register directive.
10938 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10940 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10943 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10945 * flow.c (calculate_global_regs_live): Assert that there aren't any
10948 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10950 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10951 what its name says.
10952 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10953 bsi_after_labels iterator.
10954 * tree-if-conv.c (find_phi_replacement_condition,
10955 replace_phi_with_cond_modify_expr): Likewise.
10956 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10957 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10959 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10961 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10963 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10966 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10967 array after growing it.
10969 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10971 PR middle-end/24901
10972 * fold-const.c (fold_checksum_tree): Change type of buf.
10974 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10976 * reload.c (push_secondary_reload): Initialize t_icode.
10978 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10980 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10981 -msoft-float -mlong-double-128 only issue a warning, but don't
10982 swich to DFmode long double.
10984 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10986 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10987 has a constant equivalent, iterate over equivalents for arg0,
10988 calling simplify_relational_operation and if there's a result
10989 cheaper than X, apply fold_rtx and return the result.
10991 2006-02-01 Jan Hubicka <jh@suse.cz>
10993 * opts.c (no_unit_at_a_time_default): New global variable.
10994 (decode_options): Use it.
10995 * opts.h (no_unit_at_a_time_default): Declare.
10997 2006-02-01 Paul Brook <paul@codesourcery.com>
10999 * function.c (assign_parm_setup_reg): Use function argument promotion
11001 * expr.c (expand_expr_real_1): Use function argument promotion rules
11004 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11006 * gcc.c (process_command): Change j to 'unsigned int'.
11008 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11010 PR middle-end/26001
11011 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11012 Use the corrected index for the character
11013 out of the string constant.
11015 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11017 * mode-switching.c (optimize_mode_switching): Fix size
11018 allocated for bb_info[n_entities].
11020 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11022 * gcc.c (main): Correct type that is allocated for
11023 explicit_link_files.
11025 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11027 * config/s390/s390.c (init_alignment_context): Set
11028 ALIAS_SET_MEMORY_BARRIER on the MEM.
11029 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11031 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11033 PR middle-end/25933
11034 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11036 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11039 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11041 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11042 * regrename.c: Ditto.
11043 * tree-ssa-loop-im.c: Ditto.
11044 * tree-dump.c: Ditto.
11045 * tree-complex.c: Ditto.
11046 * genrecog.c: Ditto.
11047 * tree-ssa-threadupdate.c: Ditto.
11049 * java/class.c: Ditto.
11050 * java/jcf-parse.c: Ditto.
11051 * java/resource.c: Ditto.
11052 * java/except.c: Ditto.
11053 * java/jvspec.c: Ditto.
11054 * java/jcf-write.c: Ditto.
11055 * java/jcf-path.c: Ditto.
11056 * java/gjavah.c: Ditto.
11057 * java/zextract.c: Ditto.
11058 * java/jcf-io.c: Ditto.
11059 * java/jcf.h: Ditto.
11060 * java/buffer.c: Ditto.
11061 * java/lang.c: Ditto.
11062 * java/parse-scan.y: Ditto.
11063 * java/lex.c: Ditto.
11064 * java/lex.h: Ditto.
11065 * cfgloopmanip.c: Ditto.
11066 * postreload-gcse.c: Ditto.
11067 * tree-ssa-loop-manip.c: Ditto.
11068 * postreload.c: Ditto.
11069 * tree-ssa-loop-ch.c: Ditto.
11072 * cppspec.c: Ditto.
11073 * diagnostic.c: Ditto.
11075 * genoutput.c: Ditto.
11077 * cfghooks.c: Ditto.
11078 * cfgloopanal.c: Ditto.
11079 * objc/objc-act.c: Ditto.
11081 * genextract.c: Ditto.
11082 * genautomata.c: Ditto.
11083 * pretty-print.c: Ditto.
11084 * genemit.c: Ditto.
11085 * cgraphunit.c: Ditto.
11087 * df-scan.c: Ditto.
11088 * haifa-sched.c: Ditto.
11089 * dominance.c: Ditto.
11091 * tree-ssa-loop-ivopts.c: Ditto.
11092 * df-core.c: Ditto.
11093 * mode-switching.c: Ditto.
11094 * modulo-sched.c: Ditto.
11096 * ipa-pure-const.c: Ditto.
11098 * fix-header.c: Ditto.
11100 * tree-stdarg.c: Ditto.
11101 * ipa-utils.c: Ditto.
11102 * loop-init.c: Ditto.
11103 * ipa-inline.c: Ditto.
11104 * cfganal.c: Ditto.
11106 * alloc-pool.c: Ditto.
11107 * dwarf2out.c: Ditto.
11109 * genattrtab.c: Ditto.
11110 * tree-ssa-loop-ivcanon.c: Ditto.
11111 * predict.c: Ditto.
11112 * timevar.c: Ditto.
11114 * fortran/gfortranspec.c: Ditto.
11115 * regmove.c: Ditto.
11116 * local-alloc.c: Ditto.
11117 * langhooks.c: Ditto.
11118 * function.c: Ditto.
11119 * tree-vectorizer.c: Ditto.
11121 * ipa-type-escape.c: Ditto.
11123 * tree-if-conv.c: Ditto.
11124 * profile.c: Ditto.
11126 * tree-data-ref.c: Ditto.
11127 * loop-unroll.c: Ditto.
11128 * treelang/treetree.c: Ditto.
11130 * bt-load.c: Ditto.
11131 * ggc-common.c: Ditto.
11133 * coverage.c: Ditto.
11135 * tree-cfgcleanup.c: Ditto.
11136 * tree-ssa-pre.c: Ditto.
11137 * cfgcleanup.c: Ditto.
11138 * loop-invariant.c: Ditto.
11139 * loop-iv.c: Ditto.
11140 * ipa-prop.c: Ditto.
11141 * print-tree.c: Ditto.
11142 * conflict.c: Ditto.
11143 * ggc-page.c: Ditto.
11144 * sched-deps.c: Ditto.
11145 * regclass.c: Ditto.
11146 * tree-object-size.c: Ditto.
11147 * combine.c: Ditto.
11148 * bb-reorder.c: Ditto.
11149 * resource.c: Ditto.
11150 * var-tracking.c: Ditto.
11151 * cfgloop.c: Ditto.
11152 * df-problems.c: Ditto.
11153 * reg-stack.c: Ditto.
11155 * gccspec.c: Ditto.
11156 * sched-rgn.c: Ditto.
11157 * tree-ssa-structalias.c: Ditto.
11158 * tree-ssa-reassoc.c: Ditto.
11159 * config/darwin-c.c: Ditto.
11160 * config/darwin.c: Ditto.
11161 * config/arm/arm.c: Ditto.
11163 * collect2.c: Ditto.
11164 * reload1.c: Ditto.
11166 2006-01-31 Nicolas Pitre <nico@cam.org>
11168 * arm.md (smaxsi3): Make aware of smax_m1.
11171 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11173 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11175 2006-01-31 Richard Guenther <rguenther@suse.de>
11177 * doc/invoke.texi (-msselibm): Document.
11178 * target.h (expand_library_builtin): New target hook.
11179 * builtins.c (expand_builtin): Use expand_library_builtin.
11180 (default_expand_library_builtin): New function.
11181 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11182 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11183 (link_gcc_math_spec): Declare.
11184 (static_specs): Add link_gcc_math_spec.
11185 * expr.h (default_expand_library_builtin): Declare.
11186 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11187 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11188 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11189 * config/i386/i386.opt (msselibm): New target option.
11190 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11191 (ix86_init_sse_abi_builtins): New function.
11192 (ix86_expand_library_builtin): Likewise.
11193 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11194 (override_options): Handle error conditions wrt -msselibm.
11195 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11196 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11197 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11200 2006-01-31 Richard Guenther <rguenther@suse.de>
11201 Paolo Bonzini <bonzini@gnu.org>
11203 * doc/install.texi (--disable-libgcc-math): Document.
11205 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11207 * expr.h (expand_normal): new inline function.
11208 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11209 * dojump.c: use it.
11210 * dwarf2out.c: use it.
11213 * expmed.c: use it.
11214 * except.c: use it.
11215 * config/sparc/sparc.c: use it.
11216 * config/i386/i386.c: use it.
11217 * config/rs6000/rs6000.c: use it.
11218 * config/arm/arm.c: use it.
11219 * config/mips/mips.c: use it.
11220 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11222 2006-01-30 Roger Sayle <roger@eyesopen.com>
11224 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11225 argv to the appropriate type.
11227 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11229 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11232 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11235 * config/s390/s390.c (struct machine_function): New flag
11236 decomposed_literal_pool_addresses_ok_p.
11237 (s390_reorg): Set it before final stage of literal pool transforms.
11238 (s390_decompose_address): Only accept displacements of the form
11239 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11241 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11243 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11244 the comparison routine return.
11246 2006-01-30 Michael Matz <matz@suse.de>
11248 * global.c (find_reg): Only evict for global regs.
11249 Take n_refs into account and dump more info.
11251 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11254 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11255 (pragma_trap, pragma_nosave_low_regs): Likewise.
11256 (current_function_anonymous_args): Likewise.
11257 (sh_deferred_function_attributes): New variable.
11258 (sh_deferred_function_attributes_tail): Likewise.
11259 (print_operand): For '@', look up trap_exit attribute.
11260 (calc_live_regs): Look up trapa_handler attribute. For trapa
11261 handlers, save/restore fpscr, but don't do any other
11262 interrupt-specific saves.
11263 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11264 Fix check for partially saved registers to check for SHmedia.
11265 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11266 (sh_output_function_epilogue): Don't clear any of the removed
11268 (sh_insert_attributes): Don't check pragma_interrupt.
11269 Insert deferred attributes. Check that interrupt attribute is
11270 present for other attributes that require its presence.
11271 (sh_attribute_table): Add new attributes trapa_handler and
11273 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11274 Don't check for pragma_interrupt. Don't store argument.
11275 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11276 (sh_deferred_function_attributes): Declare.
11277 (sh_deferred_function_attributes_tail): Likewise.
11278 * sh.md (sp_switch_1): Add operand. Change generator caller.
11279 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11280 (*return_i): Don't use when trap_exit attribute is in effect.
11281 (*return_trapa): New insn pattern.
11282 * sh-c.c: New file.
11283 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11284 setting c_target_objs and cxx_target_objs.
11285 * t-sh: Add rule for sh-c.o.
11287 2006-01-30 Richard Guenther <rguenther@suse.de>
11290 * gimplify.c (gimplify_target_expr): Handle easy cases
11291 without creating a temporary.
11293 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11295 * vec.h (safe_grow): Remove duplicated line.
11297 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11300 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11301 (expand_omp): ... here.
11302 (expand_omp_parallel): Only remove barriers for combined
11303 parallel+workshare constructs.
11305 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11309 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11310 * tree.c (build_qualified_type): Chain the new type to the original
11311 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11312 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11313 (build_pointer_type_for_mode): Only return unqualified types.
11314 (build_reference_type_for_mode): Likewise.
11316 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11318 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11319 * Makefile.in (CXX_COMPAT_WARN): Define.
11320 * configure: Regenerate.
11322 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11325 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11328 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11330 * toplev.c: Fix thinko.
11332 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11333 Marcin Dalecki <martin@dalecki.de>
11335 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11336 (push_srcloc): Use XNEW.
11337 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11339 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11341 * df-core.c (df_set_blocks): Deleted all variable.
11343 2006-01-28 Ian Lance Taylor <ian@airs.com>
11345 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11346 cgraph_output_pending_asms.
11348 2006-01-28 Zack Weinberg <zackw@panix.com>
11350 * c.opt: Add -W(no-)overlength-strings.
11351 * doc/invoke.texi: Document it.
11352 * c-opts.c (c_common_handle_option): -pedantic implies
11353 -Woverlength-strings, if not explicitly disabled already.
11354 (c_common_post_options): -Woverlength-strings defaults to off, and
11355 is always off for C++.
11356 * c-common.c (fix_string_type): Issue warning about strings longer
11357 than is portable only if warn_overlength_strings. Rearrange code
11358 a little for clarity.
11359 * configure.in: Check for -Wno-overlength-strings as well before
11360 enabling -pedantic in stage 1.
11361 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11362 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11364 * genconditions.c (write_header, write_one_condition)
11365 (write_conditions, write_writer): Consolidate very long strings
11366 that were broken up to fit in C89 portable limit. Don't use
11367 printf when fputs will do.
11369 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11371 * combine.c (simplify_comparison <AND>): Check
11372 TRULY_NOOP_TRUNCATION before start using a subreg.
11374 * config/mips/mips.md (*branch_zero<mode>,
11375 *branch_zero<mode>_inverted, *branch_equality<mode>,
11376 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11377 Remove mode check from comparisons.
11379 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11381 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11383 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11385 * expmed.c (const_mult_add_overflow_p): Remove.
11386 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11388 * recog.c (validate_replace_rtx_subexp): Remove.
11389 * recog.h: Remove the prototype for
11390 validate_replace_rtx_subexp.
11392 * integrate.h: Remove the prototype for
11393 copy_decl_for_inlining.
11394 * rtl.h: Remove the prototype for mark_constant_function.
11395 * tree-vectorizer.h: Remove the prototype for
11396 vect_strip_conversion.
11398 * modulo-sched.c (create_partial_schedule,
11399 free_partial_schedule, reset_partial_schedule): Make them
11402 * hooks.c (hook_bool_rtx_int_false): Remove.
11403 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11405 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11407 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11408 and -mlong-double-128 are incompatible.
11409 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11410 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11411 (TARGET_LIBGCC2_CFLAGS): Define.
11412 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11413 (TARGET_LIBGCC2_CFLAGS): Same.
11414 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11416 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11419 * c-typeck.c (build_binary_op): Perform implicit casts of
11420 operands before shortening them.
11422 * cfgloopmanip.c (split_loop_bb): Remove.
11423 * cfgloop.h: Remove the prototype for split_loop_bb.
11425 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11426 * cfgloop.h: Remove the prototype for
11427 flow_loop_outside_edge_p.
11429 * emit-rtl.c (init_virtual_regs): Make it static.
11430 * function.h: Remove the prototype for init_virtual_regs.
11432 * recog.c (peephole2_optimize): Make it static.
11433 * recog.h: Remove the prototype for peephole2_optimize.
11435 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11437 * df-scan.c (df_record_entry_block_defs): Check if
11438 INCOMING_RETURN_ADDR_RTX is defined.
11440 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11441 Kenneth Zadeck <zadeck@naturalbridge.com>
11443 PR rtl-optimization/24762
11444 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11445 * targhooks.c (hook_void_bitmap): New hook prototype.
11446 * targhoohs.h (hook_void_bitmap): Ditto.
11447 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11448 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11449 * target.h (live_on_entry): New function pointer.
11450 * df-scan.c (df_all_hard_regs): Removed.
11451 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11452 (df_scan_free_internal): Added df->entry_block_defs.
11453 (df_scan_alloc): Ditto.
11454 (df_scan_dump): Ditto.
11455 (df_uses_record): Plumbed flag field properly thru calls.
11456 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11457 This part fixes PR24762.
11458 (df_bb_refs_record): Added code to make the frame and arg
11459 pointers live in EH blocks.
11460 (df_refs_record): Added call to df_record_entry_block_defs.
11461 (df_record_entry_block_defs): New function.
11462 * df-core.c: Added comments to describe new artifical defs.
11463 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11464 (entry_block_defs): New field in struct df.
11465 (df_all_hard_regs): Deleted.
11466 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11467 * df-problems.c (df_ru_bb_local_compute_process_def):
11468 Added code to handle artifical defs in the entry to a function.
11469 (df_ru_bb_local_compute): Ditto.
11470 (df_rd_bb_local_compute_process_def): Ditto.
11471 (df_rd_bb_local_compute): Ditto.
11472 (df_lr_bb_local_compute): Ditto.
11473 (df_ur_bb_local_compute): Ditto.
11474 (df_urec_bb_local_compute): Ditto.
11475 (df_chain_create_bb): Ditto.
11476 (df_ur_local_finalize): Removed entry.
11477 (df_urec_init): Ditto.
11478 (df_urec_local_finalize): Ditto.
11479 (df_ri_bb_compute): Added detection of last use of pseudos.
11480 * Makefile.in (df-scan.o): Updated dependencies.
11481 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11482 * config/mips/mips.c (mips_set_live_on_entry): Added.
11483 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11485 * dce.c (marked_insn_p): Added code to handle artifical defs.
11487 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11489 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11491 (_mm_cvtsi128_si64): Likewise.
11492 (_mm_cvtsd_si64): Likewise.
11493 (_mm_cvttsd_si64): Likewise.
11494 (_mm_cvtsi64_sd): Likewise.
11495 (_mm_cvtsi64_si128): Likewise.
11496 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11497 (_mm_cvtsi64_m64): Likewise.
11498 (_m_to_int64): Likewise.
11499 (_mm_cvtm64_si64): Likewise.
11500 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11501 (_mm_cvttss_si64): Likewise.
11502 (_mm_cvtsi64_ss): Likewise.
11503 (_mm_cvtss_f32): Likewise.
11505 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11507 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11508 for pragma redefine_extname.
11510 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11513 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11514 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11515 -mno-minimal-toc to previous content.
11516 (bispecs): Remove goal.
11517 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11518 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11519 compatibility aliases on powerpc-*-*gnu*.
11520 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11521 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11522 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11523 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11524 (ldblspecs): New goal.
11525 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11526 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11528 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11529 L_sf_to_tf or L_df_to_tf is defined.
11531 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11532 Alan Modra <amodra@bigpond.net.au>
11535 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11536 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11537 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11538 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11539 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11540 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11541 (rs6000_override_options): Initialize rs6000_ieeequad.
11542 Initialize TFmode format to ibm_extended_format if not
11544 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11546 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11547 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11548 (function_arg_advance): IBM long double passed in two FPRs, not
11550 (function_arg): IBM long double passed in FPRs.
11551 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11552 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11553 Only multireg GPR aligned.
11554 (rs6000_init_libfuncs): Enable IBM long double functions if not
11556 (rs6000_generate_compare): Use IBM long double compare if not
11558 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11559 (TARGET_IEEEQUAD): Define.
11560 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11561 not TARGET_IEEEQUAD.
11562 * config/rs6000/rs6000.md: Enable TFmode patterns if
11564 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11565 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11566 and -mlong-double-128 are incompatible.
11567 * doc/invoke.texi (-mabi): Collect options together. Add
11568 ibmlongdouble and ieeelongdouble.
11570 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11572 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11574 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11575 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11576 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11577 * rtl.h (rtunion_def): Remove rt_ptr.
11579 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11580 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11581 * config/i386/winnt.c (i386_pe_mark_dllexport)
11582 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11584 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11586 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11588 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11592 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11593 pthread_key_delete. From John David Anglin. gthrw-ify
11594 pthread_getunique_np only if it it's not a macro. Delete
11596 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11597 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11598 __gthread_objc_condition_signal, __gthread_key_delete): Add
11599 "__attribute__ ((__unused__))" to unused arguments.
11600 (__gthread_recursive_mutex_init_function): Add missing return.
11601 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11602 gthr-posix95.h: Use macro-based approach for name redirection
11603 on targets missing weakref.
11605 2006-01-26 Zack Weinberg <zackw@panix.com>
11607 * genconditions.c (write_header): In generated code, #ifdef out
11608 all includes and fake declarations, except includes of bconfig.h
11609 and system.h, unless GCC_VERSION >= 3001. Do not include
11610 gensupport.h in any case.
11611 (write_conditions): Generate a definition of struct c_test. Add
11612 a comment to the generated #endif.
11613 (write_one_condition): Escape backslashes in string too.
11614 (write_writer): Generated code must escape backslashes and quote
11615 marks (but not newlines) in the strings it writes.
11616 * Makefile.in (build/gencondmd.o): Update dependencies.
11618 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11621 * Makefile.in (insn-automata.o): Add header file dependencies.
11622 * genautomata.c: Add includes.
11624 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11627 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11629 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11631 * configure.ac: Expect target tools paths to be passed from the toplevel
11632 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11634 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11636 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11639 * c.opt (Wpointer-sign): Init to -1.
11640 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11641 OPT_pedantic, to 0 otherwise.
11642 * doc/invoke.texi: Update.
11644 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11646 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11647 constants provided by 80387 instructions in the destination mode.
11649 2006-01-26 Richard Guenther <rguenther@suse.de>
11650 Andrew Pinski <pinskia@physics.uc.edu>
11653 partial PR tree-opt/17064
11654 * tree-ssa-structalias.c (intra_create_variable_infos):
11655 Create heap variables for incoming parameters if
11656 flag_argument_noalias > 1.
11657 (find_what_p_points_to): Look through default defs of
11660 2006-01-26 Jeff Law <law@redhat.com>
11663 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11664 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11665 within the VR_RANGE, use the VR_RANGE as the result, not the
11667 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11668 bounds for the type.
11670 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11672 * tree-ssa-alias.c (maybe_create_global_var): Change
11673 subvar walking to an assertion that we don't have subvar'd variables.
11675 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11678 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11679 Use a new variable, inner. PARM_DECLs are always non-weak.
11681 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11683 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11684 --disable-checking.
11686 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11688 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11690 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11692 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11693 (smax_insn, smin_insn, smax_0, smin_0): New.
11695 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11698 * config/cris/cris.c (cris_order_for_addsi3): New function.
11699 * config/cris/cris-protos.h: Prototype it.
11700 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11701 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11702 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11703 (split for "op.S1 [rx=rx+i],ry (swapped)")
11704 (split for "op(s|u).S1 [rx=rx+i],ry")
11705 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11706 Apply cris_order_for_addsi3 when generating addsi3 insns.
11708 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11710 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11711 (TREE_BLOCK): Add call to EXPR_CHECK.
11713 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11716 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11717 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11718 (dump_omp_clauses): ... here.
11719 (dump_generic_node): Handle OMP_CLAUSE.
11720 * tree.c (omp_clause_num_ops): New.
11721 (omp_clause_code_name): New.
11722 (tree_code_size): Handle OMP_CLAUSE.
11723 (tree_size): Likewise.
11724 (make_node): Document handling of OMP_CLAUSE.
11725 (tree_node_structure): Handle OMP_CLAUSE.
11726 (omp_clause_check_failed): New.
11727 (omp_clause_range_check_failed): New.
11728 (omp_clause_operand_check_failed): New.
11729 (build_omp_clause): New.
11730 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11731 * tree.h (enum omp_clause_code): Declare.
11732 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11733 (OMP_CLAUSE_RANGE_CHECK): Define.
11734 (OMP_CLAUSE_ELT_CHECK): Define.
11735 (omp_clause_check_failed): Declare.
11736 (omp_clause_operand_check_failed): Declare.
11737 (omp_clause_range_check_failed): Declare.
11738 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11739 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11740 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11741 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11742 (OMP_CLAUSE_IF_EXPR): Likewise.
11743 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11744 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11745 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11746 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11747 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11748 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11749 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11750 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11751 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11752 (OMP_CLAUSE_CODE): Define.
11753 (OMP_CLAUSE_SET_CODE): Define.
11754 (OMP_CLAUSE_CODE): Define.
11755 (OMP_CLAUSE_OPERAND): Define.
11756 (struct tree_omp_clause): Declare.
11757 (union tree_node): Add field 'omp_clause'.
11758 * treestruct.def (TS_OMP_CLAUSE): Define.
11759 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11760 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11761 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11762 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11763 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11764 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11765 (OMP_CLAUSE): Define.
11766 * print-tree.c (print_node): Handle OMP_CLAUSE.
11767 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11768 * c-typeck.c: Likewise.
11769 * gimplify.c: Likewise.
11770 * c-omp.c: Likewise.
11771 * tree-nested.c: Likewise.
11772 * tree-inline.c: Likewise.
11773 * c-parser.c: Likewise.
11774 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11777 2006-01-25 Roger Sayle <roger@eyesopen.com>
11779 PR rtl-optimization/25703
11780 * combine.c (try_combine): Handle zero_extract and strict_low_part
11781 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11783 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11785 * global.c: Fix comment typos.
11787 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11790 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11791 Use output_addr_const instead of assemble_name.
11793 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11795 * Makefile.in (sched-vis.o): Update dependencies.
11796 * haifa-sched.c (sched_finish): Clear current_sched_info.
11797 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11798 (dump_flow_info): Call it.
11799 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11801 * basic-block.h (dump_bb_info): Declare.
11802 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11803 option, and apply options only for dump files whose TDF_RTL,
11804 TDF_TREE, or TDF_IPA bits match.
11805 * rtl.h: Declare new functions exported from sched-vis.c.
11806 * sched-vis.c: Enable also if scheduling is not used.
11807 (print_value): Print the mode of registers if not inside scheduling.
11808 (print_insn): Make it work outside the scheduler. Beautify the output
11810 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11812 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11814 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11815 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11816 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11817 depending on the value of CONSTANT_POOL_ADDRESS_P.
11818 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11820 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11821 rather than SYMBOL_REF_DECL.
11822 (rtx_constant_pool): Remove const_rtx_sym_htab.
11823 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11824 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11825 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11826 Remove handling of const_rtx_sym_htab.
11827 (find_pool_constant): Delete.
11828 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11829 rather than find_pool_constant.
11830 (get_pool_constant_for_function): Delete.
11831 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11832 find_pool_constant.
11833 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11834 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11835 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11836 (SYMBOL_REF_CONSTANT): New macro.
11837 (get_pool_constant_for_function): Delete.
11838 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11839 rather than SYMBOL_REF_DECL.
11840 (i386_pe_mark_dllimport): Likewise.
11841 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11842 rather than SYMBOL_REF_DECL.
11843 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11844 (machopic_indirect_call_target): Likewise.
11846 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11848 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11850 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11852 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11854 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11856 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11858 2006-01-24 David Daney <ddaney@avtrex.com>
11861 * configure.ac (enable_tls): New enable option.
11862 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11863 * configure: Regenerate.
11864 * doc/install.texi (--enable-tls): Document new option.
11865 (--disable-tls): Ditto.
11867 2006-01-24 Richard Henderson <rth@redehat.com>
11869 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11870 * alias.c (true_dependence): Respect it.
11871 (canon_true_dependence, write_dependence_p): Likewise.
11872 * builtins.c (get_builtin_sync_mem): Set it.
11874 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11876 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11879 2006-01-24 DJ Delorie <dj@redhat.com>
11881 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11882 for storing constants in single-bit bitfields.
11884 2006-01-25 Ben Elliston <bje@au.ibm.com>
11886 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11888 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11891 * tree-ssa-pre.c (phi_translate): Return NULL
11892 for AGGREGATE_TYPE's.
11894 2006-01-24 Zack Weinberg <zackw@panix.com>
11896 * genautomata.c (process_state_for_insn_equiv_partition):
11897 Use xcalloc for insn_arcs_array.
11898 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11899 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11901 2006-01-24 Richard Henderson <rth@redhat.com>
11903 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11904 update all callers.
11906 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11908 PR rtl-optimization/25890
11909 PR rtl-optimization/25905
11910 * combine.c (expand_compound_operation, expand_field_assignment):
11911 Fail if the bitfield's final position is out of bounds.
11913 2006-01-24 Ian Lance Taylor <ian@airs.com>
11915 PR middle-end/25930
11916 * cgraphunit.c (cgraph_output_in_order): Don't clear
11917 cgraph_asm_nodes until after asm strings have been output.
11919 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11921 * fix-header.c (read_scan_file): Add new parameter imultilib when
11922 calling register_include_chains.
11924 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11926 * omp-low.c: Update documentation.
11928 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11929 Daniel Berlin <dberlin@dberlin.org>
11933 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11934 return from the function.
11936 2006-01-22 Zack Weinberg <zackw@panix.com>
11938 * rtl.def (match_code): Add second argument.
11939 * genpreds.c (write_extract_subexp): New function.
11940 (write_match_code): Add path argument. Use write_extract_subexp.
11941 (write_predicate_expr): Pass path to write_match_code.
11942 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11943 not perform a mode test.
11944 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11945 a subexpression does not constrain the top-level code set.
11946 * read-rtl.c (read_rtx_variadic): New function.
11947 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11948 * doc/md.texi: Document new notation.
11949 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11950 (cmpsi_operand): ... here, using new notation.
11952 2006-01-22 Zack Weinberg <zackw@panix.com>
11954 * varray.c: Remove GENERATOR_FILE #ifdefs.
11956 2006-01-22 Zack Weinberg <zackw@panix.com>
11958 * genautomata.c (output_reserved_units_table): Emit nothing if
11959 description->query_units_num is zero. Remove extra blank line.
11960 (output_cpu_unit_reservation_p): Short circuit
11961 if description->query_units_num is zero.
11963 2006-01-22 Zack Weinberg <zackw@panix.com>
11965 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11966 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11967 nor any of the random handful of variables that used to be necessary
11968 when this program was linked with rtlanal.o. Prune set of forward
11969 function declarations.
11970 (struct attr_desc): Remove static_p field.
11971 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11972 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11973 (attr_string): Do not read the character one past the length of
11975 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11976 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11977 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11978 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11979 (make_automaton_attrs): New.
11980 (main): Do not call into genautomata. Call local gen_bypass
11981 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11982 Remove special case for insn_alts.
11983 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11984 varray.h (leftover from previous change). Prune set of forward
11985 function declarations. Remove state_alts fields from all
11986 structures. Remove state_alts_table from struct automaton.
11987 Make everything except main static. Do not maintain num_dfa_decls.
11988 Do not maintain state_alts fields of various structures.
11989 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11990 (add_arc): Remove state_alts argument. All callers updated.
11991 (output_reserved_units_table): Emit #ifdef here...
11992 (output_tables): ...not here. Don't generate state_alts tables.
11993 (expand_automata): Don't generate attributes.
11994 (write_automata): Don't generate state_alts functions.
11995 (main): New function.
11996 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11997 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11998 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11999 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12000 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12001 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12002 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12003 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12005 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12006 * genattrtab.h: Delete file.
12007 * Makefile.in (OBJS-common): Add insn-automata.o.
12008 (insn-automata.o): New rule.
12009 (simple_generated_c): Add insn-automata.c.
12010 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12011 (genprogmd): Add automata.
12012 (build/genattrtab): Needs no extra objects nor libraries.
12013 (build/genautomata): Needs build/vec.o and -lm.
12015 2006-01-22 Zack Weinberg <zackw@panix.com>
12017 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12018 (output_dfa_max_issue_rate, locked_states_num): Delete.
12019 (struct automaton): Add locked_states field.
12020 (output_dead_lock_vect): Save number of locked states in
12021 automaton->locked_states. If it is zero, don't print anything.
12022 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12023 (output_internal_dead_lock_func): Only test the dead_lock_vect
12024 for automata that have locked states.
12025 (output_statistics): Always print the number of locked states for
12026 each automaton. Calculate total number of locked states here.
12027 (write_automata): Don't call output_dfa_max_issue_rate.
12028 * genattrtab.c: Define length_unit_log as a const variable.
12029 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12030 max_insn_queue_index const.
12031 * final.c (length_unit_log): Declare const.
12032 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12034 2006-01-22 Zack Weinberg <zackw@panix.com>
12036 * genautomata.c: Include vec.h, not varray.h.
12037 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12038 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12039 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12040 VEC_* macros operating on appropriately typed vectors, or to
12041 malloced arrays when the size is known in advance. Const-ify
12042 many char* variables and function arguments. No functional changes.
12043 * Makefile.in (build/varray.o): Delete rule.
12044 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12045 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12047 2006-01-22 Zack Weinberg <zackw@panix.com>
12049 * gensupport.c: Define get_insn_name and record_insn_name here.
12050 (read_md_rtx): Call record_insn_name as appropriate.
12051 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12052 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12053 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12055 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12056 (BUILD_VARRAY): Delete.
12057 (genprognormal): Rename genprogmd. Fold in all programs from
12058 genprognoprint; also attrtab.
12059 (build/genattrtab): Just mention genautomata.o and varray.o.
12060 Reorganize a bit, add comments to make the categories clearer.
12062 2006-01-22 Zack Weinberg <zackw@panix.com>
12064 * genconditions.c (condition_table, add_condition): Delete.
12065 (write_conditions): Don't emit n_insn_conditions nor
12066 insn_elision_unavailable. Issue the gcc version #ifdef here,
12067 inside the table, with no #else clause ...
12068 (write_header): ...not here.
12069 (write_writer): New function.
12070 (main): Don't initialize condition_table. Use add_c_test.
12072 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12073 files on the command line.
12074 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12075 Return -1 if there is no entry in the table, don't abort.
12076 (add_c_test, traverse_c_tests): New functions.
12077 * gensupport.h (insn_elision_unavailable, insn_conditions)
12078 (n_insn_conditions): Delete declarations.
12079 (add_c_test, traverse_c_tests): Declare.
12080 * read-rtl.c: Include gensupport.h.
12081 (read_conditions): New function.
12082 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12083 (read_rtx_1): If we get EOF when we were looking for an initial
12084 open paren, return 0. Call read_conditions when appropriate.
12085 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12086 dummy-conditions.o. Eliminate references to insn-conditions.o,
12087 or change them to build/gencondmd.o, as appropriate. Remove
12088 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12089 from $(simple_generated_c). For all files remaining in those
12090 two lists, add insn-conditions.md to the generator command line.
12091 Give insn-constants.h/s-constants their own rules. Add rules
12092 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12093 (build/read-rtl.o): Depend on gensupport.h.
12094 (genprognormal): Include preds.
12095 (genprogearly): Rename genprognoprint; only difference is now that
12096 they don't link with $(BUILD_PRINT).
12097 * dummy-conditions.c: Delete.
12099 2006-01-22 Zack Weinberg <zackw@panix.com>
12101 * genextract.c: Don't include insn-config.h. Do include vec.h.
12102 Declare vectors of int, char, and locstr.
12103 (locstr): New typedef.
12104 (struct extraction): Make all array fields into bare pointers.
12105 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12106 (insn_code_number): Delete.
12107 (accum_extract): New struct.
12108 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12109 (gen_insn): Take insn_code_number as an argument. Use an
12110 accum_extract structure instead of loading data directly into
12111 a struct extraction, and having to know how big it might get.
12112 (walk_rtx): Operate entirely on an accum_extract structure.
12113 (print_path): Avoid unnecessary use of printf.
12114 (print_header): New function, split out of main. Distinguish
12115 more carefully between an unrecognizable insn and an insn that
12116 has the code number of a define_expand.
12117 (main): Pass insn_code_number to gen_insn. Call print_header
12118 only after parsing. Avoid unnecessary use of printf.
12119 * Makefile.in (build/vec.o): New rule.
12120 (build/genextract): Depend on build/vec.o.
12121 (build/genextract.o): Don't depend on insn-config.h.
12123 2006-01-22 Zack Weinberg <zackw@panix.com>
12125 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12126 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12127 practical. Eliminate per-generator-program link rules.
12129 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12131 PR middle-end/24437
12132 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12133 with a call expr to ...
12134 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12136 2006-01-23 Richard Guenther <rguenther@suse.de>
12138 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12139 before make_edge with conditional EDGE_TRUE_VALUE.
12141 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12142 Jan Hubicka <jh@suse.cz>
12143 Richard Guenther <rguenther@suse.de>
12145 PR rtl-optimization/25654
12146 * cfgexpand.c (aggregate_contains_union_type): New function.
12147 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12148 for structure variables that contain a union type.
12150 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12152 * gengtype.c (new_structure): Return the structure.
12153 (create_option): Add an extra "next" argument.
12154 (create_field): New function.
12155 (adjust_field_rtx_def): Use create_option and create_field.
12156 Remove a now-unnecessary call to find_structure.
12157 (adjust_field_tree_def): Likewise.
12158 (note_yacc_type): Remove an unnecessary call to find_structure.
12159 * gengtype.h (new_structure): Return the structure.
12160 (create_option): Add an extra argument.
12161 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12162 (option): Adjust calls to create_option.
12164 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12166 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12168 2006-01-22 Paul Brook <paul@codesourcery.com>
12169 Peter Barada <peter@the-baradas.com>
12171 * config/m68k/m68k.md: Add Coldfire FPU support.
12172 Define FP mode macro and associated attributes.
12173 Use it for float mode patterns.
12174 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12175 (LIBCALL_VALUE): Use m68k_libcall_value.
12176 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12177 (m68k_function_value): Ditto.
12178 (emit_move_sequence): Ditto.
12179 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12180 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12181 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12182 (MULTILIB_EXCEPTIONS): Ditto.
12183 * config/m68k/m68k.opt: Add mcfv4e.
12184 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12185 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12186 (m68k_output_function_prologue): Save ColdFire FPU registers.
12187 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12188 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12189 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12190 ColdFire FPU registers.
12191 (m68k_libcall_value, m68k_function_value): New functions.
12192 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12193 (LIBCALL_VALUE): Use m68k_libcall_value.
12194 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12195 (MASK_COLDFIRE): Add MASK_CFV4E.
12196 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12197 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12198 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12199 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12200 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12201 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12202 * doc/invoke.tex: Document -mcfv4e on m68k.
12204 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12206 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12209 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12212 * c-opts.c (c_common_handle_option): Don't include
12213 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12214 * doc/invoke.texi (C++ Dialect Options): Document that
12215 -Wnon-virtual-dtor is no longer included in -Wall.
12217 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12219 * gcov.c (print_version), gcov-dump.c (print_version),
12220 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12223 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12225 * df-scan.c (problem_SCAN): Added NULL reset function.
12226 (df_scan_reset_blocks): Added code to call reset block function
12227 (df_bb_refs_delete) Fixed comment.
12228 (df_insn_refs_delete): Made tolerant of deleting non existent info
12229 for dataflow problems that need to be reset.
12230 * df-core.c (df_set_blocks): Ditto.
12231 * df.h (struct df_problem): Added reset_fun.
12232 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12233 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12234 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12235 functions to clear out all references to def-use or use-def chains.
12237 2006-01-21 Ben Elliston <bje@au.ibm.com>
12239 * varasm.c (assemble_real): Initialise data array.
12241 2006-01-20 Paul Brook <paul@codesourcery.com>
12243 Merge from csl-arm-branch.
12244 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12245 * config/arm/arm.md (movdi): Force operands[1] to a register
12246 if we have a non-register source.
12247 (*arm_movdi, *movdf_soft_insn): Require that one of the
12248 operands be a register.
12249 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12250 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12252 2006-01-20 DJ Delorie <dj@redhat.com>
12254 * varasm.c (initializer_constant_valid_p): Allow pointers
12255 initialized from integer constants of lesser precision.
12256 (output_constant): Allow non-int-sized pointer modes to be
12257 initialized from integer constants.
12259 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12262 * cppdefault.h (struct default_include): Add multilib flag.
12263 * cppdefault.c (cpp_include_defaults): Set it.
12264 * c.opt (-imultilib): New option.
12265 * c-opts.c (imultilib): New.
12266 (c_common_handle_option): Handle -imultilib.
12267 (c_common_post_options): Likewise.
12268 * c-incpath.c (add_standard_paths, register_include_chains):
12270 * c-incpath.h (register_include_chains): Add extra parameter.
12271 * gcc.c (do_spec_1): Generate -imultilib option.
12272 (The Specs Language): Update %I description.
12273 (process_command): Update copyright notice.
12274 * doc/cppopts.texi (-imultilib): Document.
12275 * doc/invoke.texi (-imultilib): Include in option summary.
12276 (%I): Update specs documentation.
12278 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12280 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12282 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12284 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12287 2006-01-20 Richard Guenther <rguenther@suse.de>
12288 Steven Bosscher <stevenb.gcc@gmail.com>
12290 PR rtl-optimization/24626
12291 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12292 EDGE_TRUE_VALUE if in RTL mode.
12295 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12296 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12298 2006-01-20 Dirk Mueller <dmueller@suse.com>
12301 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12302 instead of a special NOP marker.
12303 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12304 NOP marker handling.
12305 * c-common.h (empty_body_warning): Add forward declaration.
12306 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12307 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12309 2006-01-20 Paul Brook <paul@codesourcery.com>
12311 * Makefile.in (lang_checks): Keep going if mkdir fails.
12313 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12315 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12316 be able to clean out basic block when not necessary.
12317 (df_scan_free): Fixed to properly delete information if df is
12318 unused before calling df_finish.
12319 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12320 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12322 (df_bb_refs_delete): New function.
12323 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12324 * df-core.c (df_set_blocks): Added code to properly clean out
12325 unused blocks if they are not part of the blocks to consider.
12326 Added additional null check.
12327 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12328 be able to clean out basic block when not necessary
12329 * df.h (df_free_bb_function): Ditto.
12330 (df_bb_refs_delete): New function.
12331 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12332 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12333 basic block parameter to be able to clean out basic block when not
12335 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12336 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12337 Fixed to properly delete information if df is unused before
12340 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12342 PR rtl-optimization/25799
12343 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12344 Corrected confluence operator to remove bits from op2 before oring
12345 with op1 rather than removing bits from op1.
12346 (df_ru_transfer_function): Corrected test on wrong bitmap which
12347 caused infinite loop. Both of these problems were introduced in
12348 the dataflow rewrite.
12350 2006-01-19 DJ Delorie <dj@redhat.com>
12352 * reload1.c (find_reload_regs): Note the details of reload
12353 failures in the dump file.
12354 (spill_failure): Likewise.
12356 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12358 * loop-iv.c: Include df.h and hashtab.h.
12359 (enum iv_grd_result): New enum.
12360 (DF_REF_IV, DF_REF_IV_SET): New macros.
12361 (struct biv_entry): New.
12362 (df, bivs): New global variables.
12363 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12364 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12366 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12367 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12368 analyzed_for_bivness_p, record_biv): New functions.
12369 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12370 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12371 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12373 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12375 (iv_number_of_iterations): Use new interface to iv analysis.
12376 * loop-unroll.c: Do not include varray.h.
12377 (analyze_iv_to_split_insn): Use new interface to iv
12379 * loop-unswitch.c (may_unswitch_on): Ditto.
12380 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12382 (df_bb_modify): Realloc tables to the new index.
12383 (df_find_use): New function.
12384 * df.h (df_find_use): Declare.
12385 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12387 * cfgloop.h (struct rtx_iv): Remove analysed field.
12388 (iv_get_reaching_def): Removed.
12389 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12390 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12391 (loop-iv.o): Add df.h and hashtab.h dependency.
12392 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12394 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12397 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12399 (__floatundisf, __floatundidf): Likewise.
12400 * libgcc2.h (IS_IBM_EXTENDED): Define.
12402 2006-01-19 DJ Delorie <dj@redhat.com>
12404 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12406 2006-01-19 Paul Brook <paul@codesourcery.com>
12408 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12409 as nothrow when unwinding tables are disabled.
12411 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12414 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12415 of bit-field" when in system header.
12417 2006-01-19 DJ Delorie <dj@redhat.com>
12419 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12420 the 16 bit shift limit of the m16c.
12422 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12425 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12426 * config/i386/i386.c (output_set_got): Output the label if we have one
12427 for the TARGET_DEEP_BRANCH_PREDICTION case.
12429 2006-01-19 Jan Hubicka <jh@suse.cz>
12430 H.J. Lu <hongjiu.lu@intel.com>
12431 Evandro Menezes <evandro.menezes@amd.com>
12433 * invoke.texi (generic): Document
12435 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12436 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12437 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12438 (x86_use_incdec, x86_pad_returns): New variables
12439 (TARGET_CPU_DEFAULT_generic): New constant
12440 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12441 (enum processor_type): Add generic32 and generic64.
12442 * i386.md (cpu attribute): Add generic32/generic64
12443 (movhi splitter): Behave sanely when both partial_reg_dependency and
12444 partial_reg_stall are set.
12445 (K8 splitters): Enable for generic as well.
12446 * predicates.md (incdec_operand): Use TARGET_INCDEC
12447 (aligned_operand): Avoid memory mismatch stalls.
12448 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12449 * ppro.md: Enable for generic32
12450 * i386.c (generic64_cost, generic32_cost): New.
12451 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12452 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12453 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12454 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12455 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12456 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12457 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12458 x86_accumulate_outgoing_args, x86_prologue_using_move,
12459 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12460 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12461 Enable for generic.
12462 (x86_use_incdec, x86_pad_returns): New.
12463 (override_options): Add generic32 and generic64, translate "generic"
12464 to generic32/generic64 and "i686" to "generic32", refuse
12465 "generic32"/"generic64" as arch target.
12466 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12467 (ix86_reorg): Honor PAD_RETURNS.
12469 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12471 * tree-pretty-print.c (dump_generic_node): Handle
12472 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12473 * cgraph.c (cgraph_expand_queue): Rename from
12474 cgraph_analyze_queue. Update all users.
12475 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12476 cgraph_expand_queue.
12477 (cgraph_expand_all_functions): Likewise.
12478 (cgraph_finalize_pending_functions): Remove. Update callers.
12480 * tree.h (OMP_DIRECTIVE_P): Define.
12481 (OMP_PARALLEL_FN): Define.
12482 (OMP_PARALLEL_DATA_ARG): Define.
12483 (OMP_SECTIONS_SECTIONS): Define.
12484 * tree-pass.h (pass_expand_omp): Declare.
12485 * omp-low.c (struct omp_region): Declare.
12486 (struct omp_context): Remove fields 'parallel_type',
12487 'parallel_start_ix' and 'parallel_start_additional_args'.
12489 (struct omp_for_data): Rename from struct expand_omp_for_data.
12490 (omp_regions): New static variable.
12491 (root_omp_region): New static variable.
12492 (find_omp_clause): Make static.
12493 (is_in_combined_parallel_ctx): Remove.
12494 (is_combined_parallel): New.
12495 (extract_omp_for_data): Move earlier in the file.
12496 (workshare_safe_to_combine_p): New.
12497 (get_ws_args_for): New.
12498 (determine_parallel_type): Move earlier in the file.
12499 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12501 (omp_copy_decl): Likewise.
12502 (create_omp_child_function): Likewise.
12503 (lookup_omp_region): New.
12504 (dump_omp_region): New.
12505 (debug_omp_region): New.
12506 (debug_all_omp_regions): New.
12507 (new_omp_region): New.
12508 (scan_omp_parallel): If parallel_nesting_level > 1, the
12509 directive is nested within another parallel directive.
12510 Set OMP_PARALLEL_FN.
12511 (scan_omp_for): Do not try to handle combined parallel+for
12513 Remove FIXME comment.
12514 (scan_omp_nested): Remove.
12515 (scan_omp_1): Do not call scan_omp_nested when
12516 parallel_nesting_level is > 1.
12517 Do not change the DECL_CONTEXT of local variables found.
12518 (lookup_decl_in_outer_ctx): New.
12519 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12520 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12521 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12522 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12523 If CTX is nested, lookup VAR in the outer context when
12524 building copy assignment.
12525 (lower_send_clauses): Rename from expand_send_clauses.
12526 If CTX is nested, lookup VAR in the outer context when
12527 building copy assignments.
12528 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12529 If CTX is nested, lookup VAR in the outer context when
12530 building copy assignments.
12531 (expand_parallel_call): Rename from build_parallel_call.
12532 Handle combined parallel+workshare cases.
12533 Re-implement to emit code into the CFG.
12535 (expand_omp_parallel): Re-implement to emit code into the CFG.
12536 Call move_sese_region_to_fn to outline the sub-graph
12537 containing the parallel region.
12538 (expand_omp_for_1): Remove.
12539 (expand_omp_for_generic): Re-implement to emit code into the
12541 (expand_omp_for_static_nochunk): Likewise.
12542 (expand_omp_for_static_chunk): Likewise.
12543 (expand_omp_for): Likewise.
12544 (expand_omp_sections): Likewise.
12545 (remove_exit_barriers): New.
12546 (expand_omp_synch): New.
12548 (build_omp_regions_1): New.
12549 (build_omp_regions): New.
12550 (execute_expand_omp): New.
12551 (gate_expand_omp): New.
12552 (pass_expand_omp): Define.
12553 (lower_omp_sections): Rename from expand_omp_sections.
12554 Set OMP_SECTIONS_SECTIONS.
12555 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12556 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12557 (lower_omp_single): Rename from expand_omp_simple.
12558 (lower_omp_master): Rename from expand_omp_master.
12559 (lower_omp_ordered): Rename from expand_omp_ordered.
12560 (lower_omp_critical): Rename from expand_omp_critical.
12561 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12562 (lower_omp_for): Re-implement.
12563 (lower_omp_parallel): Re-implement.
12564 (lower_regimplify): Rename from expand_regimplify.
12565 (lower_omp_1): Rename from expand_omp_1.
12566 If there are syntax errors in the program, replace every
12567 OpenMP directive with NOP.
12568 Call lower_omp_* instead of expand_omp_*.
12569 (lower_omp): Rename from expand_omp.
12571 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12572 * tree-gimple.h (enum omp_parallel_type): Remove.
12573 (gimple_boolify): Declare extern.
12574 (find_omp_clause, determine_parallel_type): Remove.
12576 * gimple-low.c (lower_omp_directive): New.
12577 (lower_stmt): Call it.
12578 (record_vars_into): Move from ...
12579 (record_vars): ... here.
12580 Call record_vars_into with current_function_decl.
12582 * gimplify.c (struct gimplify_ctx): Remove fields
12583 combined_pre_p and combined_ctxp. Update users.
12584 (get_formal_tmp_var): Add documentation.
12585 (gimple_boolify): Make extern.
12586 (gimplify_expr_in_ctx): Remove. Update callers.
12587 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12588 will always be a BIND_EXPR.
12589 (gimplify_expr): Handle OMP_RETURN_EXPR.
12590 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12591 (OMP_PARALLEL): Add 3 operands.
12592 (OMP_SECTIONS): Add 1 operand.
12593 (OMP_RETURN_EXPR): Define.
12595 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12596 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12597 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12598 creating a circular free list.
12599 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12601 * tree-flow.h (move_sese_region_to_fn): Declare.
12602 (record_vars_into): Declare.
12603 * tree-cfg.c (make_omp_sections_edges): New.
12604 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12605 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12606 OMP_SECTIONS and OMP_SECTION.
12607 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12608 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12609 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12610 (gather_blocks_in_sese_region): New.
12611 (struct move_stmt_d): Declare.
12612 (move_stmt_r): New.
12613 (move_block_to_fn): New.
12614 (move_sese_region_to_fn): New.
12616 * passes.c (init_optimization_passes): Schedule
12617 pass_expand_omp after pass_init_datastructures.
12619 * tree-ssa-operands.c (get_expr_operands): Handle
12620 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12621 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12623 2006-01-19 Jeff Law <law@redhat.com>
12625 * tree-vrp.c (extract_range_from_assert): Refine the result range
12626 if the variable referenced by the ASSERT_EXPR has a range and
12627 either the tentative result range or the previous range is a
12630 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12632 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12634 2006-01-19 Jan Hubicka <jh@suse.cz>
12636 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12638 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12640 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12641 (expand_compound_operation, expand_field_assignment): Fail if the
12642 bit lengths of an extract operation are out of range.
12643 (make_extraction): Compute wanted_inner_mode based on the position
12644 and length of the extraction. Make it extraction_mode for non-constant
12645 positions, and do not modify offset in that case. When generating a
12646 new MEM, use a mode that can hold the extraction while keeping correct
12647 alignment. Remove code that supported MEMs wrapped by USEs.
12648 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12650 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12652 * config/s390/s390.md ("Y", "y"): New mode attribute.
12653 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12654 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12655 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12656 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12657 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12658 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12659 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12660 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12661 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12662 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12663 "addsi3", "subsi3"): Insn patterns removed.
12664 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12665 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12666 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12667 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12668 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12669 "*sub<mode>3_cconly2"): New insn patterns.
12670 ("addsi3", "subsi3"): New expanders.
12672 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12674 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12675 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12676 existing STMT_VINFO_VECTYPE if available.
12677 (vect_mark_relevant): Add special handling for stmts that are
12678 marked as STMT_VINFO_IN_PATTERN_P.
12679 (vect_analyze_loop): Call vect_pattern_recog.
12680 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12681 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12683 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12684 (vect_recog_func_ptr): New function-pointer type.
12685 * tree-vect-patterns.c: New file.
12686 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12687 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12688 (vect_pattern_recog_1): New functions.
12689 (vect_pattern_recog_funcs): New array of function pointers.
12691 * tree-vectorizer.h (ternary_op): New enum value.
12692 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12693 declaration. Revised documentation. Removed redundant dump prints.
12694 Removed redundant argument. Added support for reduction patterns.
12695 (vectorizable_reduction): Added support for reduction patterns.
12696 (vect_transform_stmt): Added support for patterns.
12698 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12699 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12700 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12701 (expand_widen_pattern_expr): New function.
12702 (init_optabs): Initialize new optabs udot_prod_optab,
12704 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12705 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12706 (expand_widen_pattern_expr): New function declaration.
12707 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12709 * tree-inline.c (estimate_num_insns_1): Added cases for new
12710 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12711 * tree-pretty-print.c (dump_generic_node): Likewise.
12712 (op_prio): Likewise.
12713 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12714 * tree-ssa-operands.c (get_expr_operands): Added case for
12716 * tree-vect-patterns.c (widened_name_p): New function.
12717 (vect_recog_dot_prod_pattern): Added function implementation.
12718 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12719 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12720 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12721 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12723 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12724 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12725 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12726 (init_optabs): Initialize new optabs widen_ssum_optab,
12728 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12729 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12730 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12731 use instead of type of def.
12732 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12733 function implementation.
12734 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12735 widen_ssumv8hi): New.
12737 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12740 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12743 * c-decl.c (add_flexible_array_elts_to_size): New function.
12744 (finish_decl): Use it.
12746 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12748 * diagnostic.h: Include options.h.
12749 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12750 dependancies for diagnostic.h.
12751 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12753 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12755 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12756 (ssa_ro_call_cache_valid): Ditto.
12757 * tree-ssa-alias.c (sort_tags_by_id): New function.
12758 (init_transitive_clobber_worklist): Ditto.
12759 (add_to_worklist): Ditto.
12760 (mark_aliases_call_clobbered): Ditto.
12761 (compute_tag_properties): Ditto.
12762 (set_initial_properties): Ditto.
12763 (compute_call_clobbered): Ditto.
12764 (compute_may_aliases): Call compute_call_clobbered and grouping.
12765 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12766 (compute_flow_insensitive_aliasing): Grouping now happens in our
12768 (setup_pointers_and_addressables): Remove clobbering related code.
12769 (add_may_alias): Ditto.
12770 (replace_may_alias): Ditto.
12771 (get_nmt_for): Ditto.
12772 (create_global_var):
12773 (is_escape_site): Return an escape_type enumeration.
12774 * tree-flow-inline.h (is_call_clobbered): Global var does not
12775 imply call clobbered.
12776 (mark_call_clobbered): Take a reason for marking this. Remove
12777 marking of globalness, and cache invalidation.
12778 (clear_call_clobbered): Remove cache invalidation code.
12779 * tree-dfa.c (dump_variable): If details is on, dump the reason
12781 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12783 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12784 (struct var_ann_d): Ditto.
12785 (enum escape_type): New.
12786 (mark_call_clobbered): Adjust prototype.
12787 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12788 are never call clobbered.
12789 Record reasons for escaping.
12790 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12791 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12792 (ssa_ro_call_cache_valid): Ditto.
12793 (clobbered_v_may_defs): Ditto.
12794 (clobbered_vuses): Ditto.
12795 (ro_call_vuses): Ditto.
12796 (clobber_stats): New.
12797 (init_ssa_operands): Zero out clobber stats.
12798 (fini_ssa_operands): Print out clobber stats.
12799 (get_call_expr_operands): Pass callee fndecl to
12800 add_call_read_ops).
12801 (add_call_clobber_ops): Remove use of cache.
12802 Add use of PURE_CONST information.
12803 (add_call_read_ops): Remove use of cache.
12804 Add use of static not_read information.
12806 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12808 Introduce TLS descriptors for i386 and x86_64.
12809 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12810 (TARGET_ANY_GNU_TLS): New macro.
12811 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12812 (struct machine_function): Add tls_descriptor_call_expanded_p.
12813 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12814 (ix86_current_function_calls_tls_descriptor): Likewise.
12815 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12816 (override_options): Introduce gnu2 tls dialect.
12817 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12819 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12821 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12822 (ix86_init_machine_status): Initialize new field.
12823 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12824 (ix86_tls_module_base): New.
12825 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12826 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12827 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12828 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12829 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12830 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12831 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12832 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12833 * config/i386/predicates.md (tls_modbase_operand): New.
12834 (tp_or_register_operand): New.
12836 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12838 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12839 (look_for_address_of): Ditto.
12840 (ipa_init): Walk the function decls.
12841 (static_execute): Don't set readonly on FUNCTION_DECL's.
12843 2006-01-18 Roger Sayle <roger@eyesopen.com>
12845 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12846 for shifts where the source and destination registers are different.
12848 2006-01-18 Paul Brook <paul@codesourcery.com>
12850 Merge from csl-arm-branch.
12851 2005-03-14 Julian Brown <julian@codesourcery.com>
12852 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12853 (aeabi_llsl): Likewise.
12854 (ashrdi3): Likewise.
12855 (aeabi_lasr): Likewise.
12856 (lshrdi3): Likewise.
12857 (aeabi_llsr): Likewise.
12858 2005-03-10 Julian Brown <julian@codesourcery.com>
12859 * config.gcc: Disable shared libgcc for SymbianOS.
12860 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12862 2006-01-18 DJ Delorie <dj@redhat.com>
12864 * c-pragma.c (handle_pragma_diagnostic): New.
12865 (init_pragma): Register it.
12866 * doc/extend.texi: Document it.
12868 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12869 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12870 (diagnostic_context): Add classify_diagnostic[].
12871 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12872 as errors if they're overridden to DK_WARNING.
12873 (diagnostic_initialize): Initialize classify_diagnostic[].
12874 (diagnostic_set_kind_override): New.
12875 (diagnostic_report_diagnostic): Check for kind changes.
12876 * opts.c (common_handle_option): Take lang_mask. Update callers.
12877 Handle OPT_Werror_.
12878 * common.opt (Werror=): New.
12879 * doc/invoke.texi: Document -Werror=*
12881 2006-01-18 Jeff Law <law@redhat.com>
12883 * tree-vrp.c (test_for_singularity): Correct test for new
12884 min limit. Use operand_equal_p rather than pointer equality
12885 for testing if new min/max values are equal.
12887 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12888 using range information until after propagation and folding.
12890 2006-01-18 Richard Henderson <rth@redhat.com>
12891 Aldy Hernandez <aldyh@redhat.com>
12892 Jakub Jelinek <jakub@redhat.com>
12893 Diego Novillo <dnovillo@redhat.com>
12895 * omp-low.c: New file.
12896 * c-omp.c: New file.
12898 2006-01-18 Richard Henderson <rth@redhat.com>
12899 Jakub Jelinek <jakub@redhat.com>
12900 Diego Novillo <dnovillo@redhat.com>
12902 * doc/invoke.texi: Document -fopenmp.
12903 * tree-dump.h (debug_function): Declare.
12904 * hooks.c (hook_bool_tree_bool_false): New function.
12905 (hook_tree_tree_null): Remove.
12906 (hook_tree_tree_tree_null): New.
12907 * hooks.h: Update to match.
12908 * tree-pretty-print.c (debug_tree_chain): New.
12909 (print_generic_expr): Handle TDF_CHAIN.
12910 (dump_generic_node): Handle BLOCK.
12911 Do not abort with incomplete SWITCH_EXPRs.
12912 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12913 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12914 print space after directive name.
12915 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12916 Handle OMP_MASTER and OMP_ORDERED.
12917 Handle printing of OMP_BODY just in one place, goto
12918 dump_omp_body in the rest of OMP_* nodes that have
12920 Don't handle clause nodes here. Update omp statements to
12921 use dump_omp_clauses.
12922 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12923 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12924 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12925 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12926 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12927 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12928 Adjust output for GOMP_PARALLEL.
12929 (dump_omp_clauses): New.
12930 (print_declaration): Dump DECL_VALUE_EXPR.
12931 (op_symbol_1): Split out of op_symbol.
12932 (dumping_stmts): Remove. Update all users.
12933 * cgraph.c (cgraph_analyze_queue): New.
12934 (cgraph_add_new_function): New.
12935 * cgraph.h (cgraph_analyze_queue): Declare.
12936 (cgraph_add_new_function): Declare.
12937 (cgraph_lower_function): Remove.
12938 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12939 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12940 and TYPE_P nodes in its default clause.
12941 (empty_body_p): New.
12942 (tree_range_check_failed): New.
12943 (build5_stat): New.
12944 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12945 OMP_CLAUSE_REDUCTION_MERGE,
12946 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12947 OMP_CLAUSE_PRIVATE_DEBUG,
12948 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12949 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12950 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12951 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12952 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12953 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12954 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12955 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12956 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12957 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12958 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12959 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12960 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12961 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12962 (TREE_RANGE_CHECK): New.
12963 (empty_body_p): Declare.
12964 (enum omp_clause_default_kind): New.
12965 (build_string_literal): Declare.
12966 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12967 (build5_stat, build5): Declare.
12968 * tree-pass.h (TDF_CHAIN): Define.
12969 * tree-pass.h (PROP_gimple_lomp): Define.
12970 (pass_lower_omp): Declare.
12971 * diagnostic.h (debug_tree_chain): Declare.
12972 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12974 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12975 * builtins.c (build_string_literal): Make extern.
12976 * gcc.c (include_spec_function): New.
12977 (static_spec_functions): Add it.
12978 (main): Move load of libgomp.spec ...
12979 (LINK_COMMAND_SPEC): ... here.
12980 (link_gomp_spec): New.
12981 (static_specs): Include it.
12982 (LINK_COMMAND_SPEC): Add link_gomp.
12983 (GOMP_SELF_SPECS): New.
12984 (driver_self_specs): Include it.
12985 (switch_matches): Don't mark inline.
12986 (main): Load libgomp.spec.
12987 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12988 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12989 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12990 * tree-gimple.h (enum omp_parallel): Declare.
12991 (determine_parallel_type): Declare.
12992 (omp_firstprivatize_variable): Declare.
12993 (omp_reduction_init): Declare.
12994 (diagnose_omp_structured_block_errors): Declare.
12995 (struct walk_stmt_info): Add want_return_expr.
12996 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12997 (find_omp_clause): Declare.
12998 (insert_field_into_struct): Declare.
12999 (struct walk_stmt_info): Move from tree-nested.c
13000 (walk_stmts): Declare.
13001 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13003 * cgraphunit.c (cgraph_lower_function): Make static.
13004 (cgraph_finalize_pending_functions): New.
13005 (cgraph_finalize_function): Call it.
13006 (cgraph_finalize_compilation_unit): Likewise.
13007 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13008 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13009 (BT_FN_UINT_UINT): New.
13010 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13011 DEF_FUNCTION_TYPE_VAR_4): Document.
13012 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13013 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13014 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13015 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13016 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13017 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13018 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13019 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13020 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13021 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13022 into separate files.
13023 (DEF_GOMP_BUILTIN): New.
13024 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13025 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13026 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13027 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13028 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13029 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13030 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13031 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13032 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13033 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13034 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13035 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13036 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13037 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13038 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13039 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13040 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13041 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13042 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13043 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13044 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13045 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13046 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13047 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13048 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13049 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13050 * sync-builtins.def: New file, moved from builtins.def.
13051 * omp-builtins.def: New file, moved from builtins.def.
13052 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13053 * gimple-low.c (lower_function_body): Clear data.
13054 (lower_stmt): Do not handle COMPOUND_EXPR.
13055 Remove call to print_node_brief.
13056 * c-tree.h (c_finish_omp_clauses): New prototype.
13057 (C_DECL_THREADPRIVATE_P): Define.
13058 (lookup_name_no_remap, c_omp_remap_private): Remove
13059 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13060 (check_for_loop_decls): Update decl.
13061 (lookup_name_no_remap, c_omp_remap_private): Declare.
13062 (build_indirect_ref, build_modify_expr, pushdecl,
13063 pushdecl_top_level): Move to c-common.h.
13064 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13065 before the switch, but just in the 2 places that need it.
13066 * c-decl.c (diagnose_mismatched_decls): Do not check for
13067 mismatched thread-local attributes when OLDDECL is marked
13068 threadprivate and NEWDECL has no thread-local attributes.
13069 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13070 (c_gimple_diagnostics_recursively): Rename from
13071 c_warn_unused_result_recursively. Invoke
13072 diagnose_omp_structured_block_errors.
13073 (check_for_loop_decls): Return a singular decl found.
13074 * langhooks.c (lhd_omp_predetermined_sharing): Return
13075 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13076 (lhd_omp_firstprivatize_type_sizes): New.
13077 (lhd_omp_assignment): New.
13078 (lhd_omp_predetermined_sharing): New.
13079 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13080 (struct lang_hooks_for_types): Add
13081 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13082 omp_predetermined_sharing, omp_disregard_value_expr,
13083 omp_private_debug_clause, omp_clause_default_ctor,
13084 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13085 (c_finish_omp_clauses): New.
13086 (c_finish_bc_stmt): Diagnose break within omp for.
13087 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13088 (build_unary_op): Return error_mark after reporting
13090 (build_modify_expr): Likewise.
13091 * gimplify.c: Include optabs.h and pointer-set.h.
13092 (enum gimplify_omp_var_data): Declare.
13093 (struct gimplify_omp_ctx): Declare.
13094 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13096 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13097 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13098 (splay_tree_compare_decl_uid): New.
13099 (new_omp_context): New.
13100 (delete_omp_context): New.
13101 (gimple_add_tmp_var): Call omp_add_variable.
13102 (gimplify_bind_expr): Likewise.
13103 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13104 true, disregard DECL_VALUE_EXPR on the decl if any.
13105 (gimplify_expr_in_ctx): New.
13106 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13107 omp_add_variable, omp_notice_variable, omp_is_private
13108 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13109 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13110 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13111 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13112 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13113 gimplify_omp_atomic): New.
13114 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13115 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13116 OMP_CRITICAL and OMP_ATOMIC.
13117 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13118 * c-pragma.h (enum pragma_kind): Add
13119 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13120 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13121 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13122 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13123 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13124 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13125 PRAGMA_OMP_THREADPRIVATE.
13126 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13127 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13128 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13129 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13130 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13131 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13132 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13133 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13134 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13135 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13136 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13137 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13138 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13140 (struct nesting_info): Add field_map,
13141 suppress_expansion, debug_var_chain.
13142 (create_nesting_tree): Initialize them.
13143 (lookup_field_for_decl): Use field_map.
13144 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13145 (convert_local_omp_clauses): New.
13146 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13147 (walk_body): Split out of walk_function.
13148 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13149 (convert_nonlocal_reference): Handle omp statements.
13150 (convert_local_reference): Likewise.
13151 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13152 (unnest_nesting_tree): New.
13153 (lower_nested_functions): Call it.
13154 (insert_field_into_struct): Make extern.
13155 (struct walk_stmt_info): Move to tree-gimple.h.
13156 (walk_stmts): Make extern.
13157 * omp-builtins.def: New file.
13158 * tree-iterator.c (expr_only): Clarify comment.
13159 * c-common.h (pushdecl_top_level, pushdecl,
13160 build_modify_expr, build_indirect_ref,
13161 c_finish_omp_master, c_finish_omp_critical,
13162 c_finish_omp_ordered, c_finish_omp_barrier,
13163 c_finish_omp_atomic, c_finish_omp_flush,
13164 c_finish_omp_for, c_split_parallel_clauses,
13165 omp_clause_default_kind, c_omp_sharing_predetermined,
13166 c_omp_remap_decl): Declare.
13167 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13168 (OBJS-common): Add omp-low.o.
13169 (c-omp.o, omp-low.o): Add.
13170 (gimplify.o): Add dependency on $(OPTABS_H).
13171 (GTFILES): Add omp-low.c.
13172 (gt-stringpool.h): Add.
13173 * tree-cfg.c (set_bb_for_stmt): Do not update the
13174 block-to-labels map if we are currently expanding to RTL.
13175 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13177 Handle IDENTIFIER_NODE.
13178 (tree_verify_flow_info): Do not ICE when emitting error
13179 messages about invalid labels.
13180 (dump_function_to_file): Reset CFUN before emitting the body
13182 (debug_function): New.
13183 * passes.c (init_optimization_passes): Schedule
13185 * langhooks-def.h (lhd_omp_predetermined_sharing,
13186 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13188 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13189 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13190 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13191 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13192 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13193 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13194 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13195 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13196 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13197 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13198 (LANG_HOOK_DECLS): Use them.
13200 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13201 Richard Henderson <rth@redhat.com>
13202 Jakub Jelinek <jakub@redhat.com>
13203 Diego Novillo <dnovillo@redhat.com>
13205 * c-parser.c (pragma_omp_clause): Define.
13206 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13207 (c_parser_compound_statement): Likewise.
13208 (c_parser_statement): Likewise.
13209 (c_parser_pragma): Handle omp pragmas.
13210 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13211 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13212 (c_parser_omp_clause_name, check_no_duplicate_clause,
13213 c_parser_omp_variable_list,
13214 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13215 c_parser_omp_clause_copyprivate,
13216 c_parser_omp_clause_default,
13217 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13218 c_parser_omp_clause_lastprivate,
13219 c_parser_omp_clause_nowait,
13220 c_parser_omp_clause_num_threads,
13221 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13222 c_parser_omp_clause_reduction,
13223 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13224 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13225 c_parser_omp_atomic, c_parser_omp_barrier,
13226 c_parser_omp_critical, c_parser_omp_flush,
13227 c_parser_omp_for_loop, c_parser_omp_for,
13228 c_parser_omp_master, c_parser_omp_ordered,
13229 c_parser_omp_sections_scope, c_parser_omp_sections,
13230 c_parser_omp_parallel, c_parser_omp_single,
13231 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13232 * c-pragma.c (init_pragma): Do omp pragma registration here.
13233 * c.opt (fopenmp): New flag.
13235 2006-01-18 Eric Christopher <echristo@apple.com>
13237 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13238 * config/darwin.h (GOMP_SELF_SPECS): Define.
13240 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13242 * rtl.h: Remove the prototype for reg_alloc.
13244 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13247 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13248 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13249 sjlj and dwarf2 exception handling.
13250 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13251 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13252 * pa/pa.c (function_value): Treat complex and vector types as
13254 (function_arg): Likewise. Only pass scalar floats in the floating
13255 point argument registers.
13256 * pa/t-slibgcc-dwarf-ver: New file.
13257 * pa/t-slibgcc-sjlj-ver: New file.
13258 * pa/t-slibgcc-elf-ver: Delete file.
13260 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13262 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13263 unlikely_test_section_p test.
13265 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13267 * mode-switching.c (optimize_mode_switching): Make it static.
13268 * basic-block.h: Remove the prototype for
13269 optimize_mode_switching.
13271 * modulo-sched.c (sms_schedule): Make it static.
13272 * rtl.h: Remove the prototype for sms_schedule.
13274 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13275 * rtl.h: Remove the prototype for gcse_after_reload_main.
13277 * reg-stack.c (reg_to_stack): Make it static.
13278 * rtl.h: Remove the prototype for reg_to_stack.
13280 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13282 * rtl.h: Remove the prototypes for regrename_optimize and
13283 copyprop_hardreg_forward.
13285 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13287 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13288 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13289 Test against the appropriate null constant for the mode.
13290 If 'fixup_overlap' is true, swap the operands if they overlap.
13291 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13292 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13293 alpha_split_tmode_pair and adjust for above change.
13294 * config/alpha/alpha.md (movtf_internal): Adjust call to
13295 alpha_split_tfmode_pair and rely on it to swap the operands.
13296 (movti_internal): New insn and post-reload splitter.
13297 (movti): New expander.
13299 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13301 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13304 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13306 * rtlanal.c (global_reg_mentioned_p_1,
13307 global_reg_mentioned_p): Remove.
13308 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13310 * flow.c (initialize_uninitialized_subregs): Make it static.
13311 * rtl.h: Remove the prototype for
13312 initialize_uninitialized_subregs.
13314 * function.c (instantiate_virtual_regs): Make it static.
13315 * function.h: Remove the prototype for
13316 instantiate_virtual_regs.
13318 * regmove.c (regmove_optimize, combine_stack_adjustments):
13320 * rtl.h: Remove the prototypes for regmove_optimize and
13321 combine_stack_adjustments.
13323 2006-01-17 Roger Sayle <roger@eyesopen.com>
13325 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13326 (size_cost): Encode costs in bytes so that a reg-reg addition is
13327 equivalent to COSTS_N_INSNS(1).
13328 (override_options): Use the size_cost.branch_cost as the default
13329 ix86_branch_cost when optimizing for size.
13331 2006-01-18 Ben Elliston <bje@au.ibm.com>
13333 * Makefile.in (D32PBIT_FUNCS): New.
13334 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13335 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13336 D64PBIT_FUNCS and D128PBIT_FUNCS.
13337 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13338 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13340 (decnumber_dep): Define.
13341 * doc/libgcc.texi (Decimal float library routines): New node.
13342 * config/dfp-bit.h, config/dfp-bit.c: New files.
13344 2006-01-18 Ben Elliston <bje@au.ibm.com>
13346 * expr.c (emit_move_change_mode): Always adjust addresses, not
13347 just during reload. Copy replacements only during reload.
13348 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13349 emit_move_via_integer.
13351 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13353 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13354 instead of $(srcdir) and ${srcdir}.
13356 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13359 PR middle-end/11135
13360 * arm.h (struct machine_function): Add pic_reg.
13361 * arm.c (arm_pic_register): Make unsigned.
13362 (arm_override_options): Only set arm_pic_register if
13363 TARGET_SINGLE_PIC_BASE.
13364 (use_return_insn): Only test for a pic register if it is fixed.
13365 (arm_compute_save_reg0_reg12_mask): Likewise.
13366 (thumb_compute_save_reg_mask): Likewise.
13367 (legitimate_pic_operand): Factor out some known invariants.
13368 (legitimize_pic_address): If we don't have a fixed pic register,
13369 then set up a pseudo in the function entry sequence. Handle the
13370 pic base being in a pseudo.
13371 (arm_load_pic_register): Handle the pic register being in a pseudo.
13372 (arm_expand_prologue): Only set up the pic register if it is fixed.
13373 (thumb_expand_prologue): Likewise.
13374 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13375 (pic_load_addr_based_insn): Likewise.
13376 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13379 2006-01-18 Ben Elliston <bje@au.ibm.com>
13381 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13382 decimal float modes for all floating point registers.
13384 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13385 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13387 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13390 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13391 even when the pointer is not NULL.
13393 2006-01-16 Ian Lance Taylor <ian@airs.com>
13395 * common.opt (ftoplevel-reorder): New option.
13396 * cgraph.c (cgraph_asm_nodes): New global variable.
13397 (cgraph_asm_last_node): New static variable.
13398 (cgraph_order): New global variable.
13399 (cgraph_create_node): Set new order field.
13400 (cgraph_varpool_node): Likewise.
13401 (decide_is_variable_needed): Return true if not
13402 flag_toplevel_reorder.
13403 (cgraph_add_asm_node): New function.
13404 * cgraph.h (struct cgraph_node): Add order field.
13405 (struct cgraph_varpool_node): Add order field.
13406 (struct cgraph_asm_node): Define.
13407 (cgraph_asm_nodes, cgraph_order): Declare.
13408 (cgraph_add_asm_node): Declare.
13409 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13411 (cgraph_varpool_assemble_pending_decls): Call it.
13412 (cgraph_output_pending_asms): New static function.
13413 (cgraph_finalize_compilation_unit): Call it.
13414 (struct cgraph_order_sort): Define.
13415 (cgraph_output_in_order): New static function.
13416 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13417 !flag_toplevel_reorder case.
13418 * c-parser.c: Include "cgraph.h".
13419 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13421 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13422 than -fno-unit-at-a-time.
13423 * doc/invoke.texi (Option Summary): Mention
13424 -fno-toplevel-reorder.
13425 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13426 -funit-at-a-time documentation.
13428 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13429 Kazu Hirata <kazu@codesourcery.com>
13431 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13433 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13435 * Makefile.in (FUNCTION_H): New. Use it instead of
13436 function.h throughout the file.
13437 * function.h: Include tree.h.
13439 2006-01-17 Ben Elliston <bje@au.ibm.com>
13441 * recog.c: Separate some functions with whitespace.
13443 2006-01-16 Richard Henderson <rth@redhat.com>
13445 Merge from gomp branch:
13446 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13447 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13448 and rename from struct inline_data. Rename callee* to dst*;
13449 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13450 transform_new_cfg, transform_return_to_modify, and
13451 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13453 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13454 (copy_decl_for_dup): Remove.
13455 * tree-inline.c (struct inline_data): Move to header.
13456 (insert_decl_map): Export.
13457 (remap_decl): Update for member name changes. Use copy_decl hook.
13458 Allow for replacement to be a non-decl. Remove dead code.
13459 (remap_type_1): Check for existing mapping.
13460 (remap_type): Export.
13461 (remap_decls): Update for member name changes.
13462 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13463 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13464 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13465 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13466 (tree_function_versioning, build_duplicate_type): Likewise.
13467 (copy_body_r): Likewise. Export.
13468 (copy_decl_for_dup): Split into ...
13469 (copy_decl_for_dup_finish, copy_decl_to_var,
13470 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13471 (replace_ref_tree, inlining_p): Remove.
13473 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13475 * ifcvt.c (if_convert): Make it static.
13476 * rtl.h: Remove the prototype for if_convert.
13478 * local-alloc.c (local_alloc): Make it static.
13479 * rtl.h: Remove the prototype for local_alloc.
13481 * loop.c (loop_optimize): Make it static.
13482 * cfgloop.h: Remove the prototype for loop_optimize.
13485 2006-01-16 DJ Delorie <dj@redhat.com>
13487 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13490 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13492 * pa.md: Disparage copies between general and floating-point registers
13493 in 32-bit move patterns.
13495 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13498 * Makefile.in (check-%): Depend on site.exp instead of
13499 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13502 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13504 * global.c (global_alloc): Make it static.
13505 * rtl.h: Remove the prototype for global_alloc.
13507 2006-01-16 Richard Guenther <rguenther@suse.de>
13509 * tree-ssa-alias.c (struct used_part): Add write_only field.
13510 (get_or_create_used_part_for): Initialize it to true.
13511 (create_overlap_variables_for): Don't create structure variables
13512 for structures that only are written to.
13513 (find_used_portions): Handle MODIFY_EXPR to track whether a
13514 structure is only written to.
13516 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13518 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13520 * basic-block.h: Remove the prototype for
13521 partition_hot_cold_basic_blocks.
13523 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13525 * cppspec.c (lang_specific_spec_functions): Remove.
13526 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13527 * gcc.h (lang_specific_spec_functions): Remove.
13528 * gccspec.c (lang_specific_spec_functions): Remove.
13530 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13532 * combine.c (record_value_for_reg): Invalidate registers
13534 (record_dead_and_set_regs_1): Likewise, by passing them to
13535 record_value_for_reg.
13536 (record_dead_and_set_regs): Invalidate stores made by a
13537 call. We do not combine across a call, but we still
13538 relied on equivalences.
13540 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13542 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13543 vrp_int_const_binop returning non-constant nodes.
13545 2006-01-16 Paul Brook <paul@codesourcery.com>
13547 * config/m68k/m68k.c (output_move_const_into_data_reg):
13548 Output correct mnemonic for mvz and mvs.
13550 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13552 * rtl-factoring.c: Add sequence abstraction algorithm.
13553 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13554 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13556 (block_has_preserve_label): New function.
13557 * common.opt: Register new pass.
13558 * Makefile.in: Ditto.
13560 * timevar.def: Ditto.
13561 * tree-pass.h: Ditto.
13562 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13563 * rtl.h (make_jump_insn_raw): Add forward decl.
13564 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13566 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13567 Roger Sayle <roger@eyesopen.com>
13569 * fold-const.c (fold_minmax): New static function.
13570 (fold_binary) <MIN_EXPR>: Call it.
13571 <MAX_EXPR>: Likewise.
13572 * stor-layout.c (place_field): Use DECL_SIZE consistently
13573 in the computation of the new record size.
13575 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13577 * cse.c (cse_condition_code_reg): Make it static.
13578 * rtl.h: Remove the prototype for cse_condition_code_reg.
13580 * combine.c (combine_instructions): Make it static.
13581 * rtl.h: Remove the prototype for combine_instructions.
13583 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13586 * tree.c (get_file_function_name_long): Concatenate the first global
13587 object name with a string derived from the input filename of the object
13590 2006-01-16 Ben Elliston <bje@au.ibm.com>
13592 * config/i386/winnt-stubs.c: Update FSF address.
13593 * config/xtensa/ieee754-df.S: Ditto.
13594 * config/xtensa/ieee754-sf.S: Ditto.
13596 2006-01-14 Ian Lance Taylor <ian@airs.com>
13598 * ifcvt.c (noce_init_if_info): New static function, broken out of
13599 noce_process_if_block.
13600 (noce_process_if_block): Call noce_init_if_info.
13601 (check_cond_move_block): New static function.
13602 (cond_move_process_if_block): New static function.
13603 (process_if_block): Call cond_move_process_if_block.
13605 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13607 * cselib.c (hash_table): Rename to cselib_hash_table.
13608 (cselib_clear_table, discard_useless_values,
13609 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13610 cselib_init, cselib_finish): Adjust uses of hash_table.
13612 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13614 PR tree-optimization/25485
13615 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13616 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13617 is known to be false and true, respectively.
13619 2006-01-14 Richard Guenther <rguenther@suse.de>
13621 PR tree-optimization/22548
13622 PR tree-optimization/22555
13623 PR tree-optimization/22501
13624 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13625 * params.def (salias-max-array-elements): New parameter.
13626 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13627 * doc/invoke.texi (salias-max-array-elements): Document.
13628 * tree-flow-inline.h (var_can_have_subvars): We also handle
13630 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13632 * tree-ssa-structalias.c (params.h): Include.
13633 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13634 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13635 (get_constraint_for): For ADDR_EXPR operating on something
13636 containing an ARRAY_REF, add all subvars to the solution.
13637 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13638 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13639 for creating MUST_DEFs.
13640 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13642 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13644 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13646 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13647 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13648 number_of_iterations_le): New functions.
13649 (number_of_iterations_special): Removed.
13650 (number_of_iterations_exit): Do not use number_of_iterations_special.
13651 * tree.c (unsigned_type_for): Always return integer type.
13653 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13654 Richard Guenther <rguenther@suse.de>
13656 PR rtl-optimization/24257
13657 * gcse.c (find_moveable_store): Only consider a store movable
13658 when the SET_SRC of the insn can be assigned to a register.
13660 2006-01-14 Ian Lance Taylor <ian@airs.com>
13662 * tree.c (tree_not_class_check_failed): New function.
13663 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13664 (tree_not_class_check_failed): Declare.
13666 2006-01-13 Ian Lance Taylor <ian@airs.com>
13668 * reload1.c (do_output_reload): Add assertion rejecting a
13671 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13673 * combine.c (struct reg_stat): Add new fields truncation_label and
13675 (record_value_for_reg): Reset truncated_to_mode.
13676 (record_truncated_value): New function.
13677 (check_promoted_subreg): Call it. Rename to check_conversions.
13678 (combine_instructions): Rename check_promoted_subreg to
13680 (reg_truncated_to_mode): New function.
13681 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13682 (gen_lowpart_or_truncate): New function.
13683 (force_to_mode): Use it instead of gen_lowpart.
13685 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13687 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13688 VAR is a tag, not its type tag.
13690 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13692 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13693 alternatives to match style of other entries.
13694 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13696 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13698 PR tree-optimization/25771
13699 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13702 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13705 * tree-inline.c (declare_return_variable): If the return variable
13706 was marked as a non gimple complex, set the return slot variable
13707 to be a non gimple comple variable.
13709 2006-01-13 Richard Guenther <rguenther@suse.de>
13711 * builtins.c (expand_builtin_sincos): New function.
13712 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13714 (expand_builtin): Expand sincos using expand_builtin_sincos.
13716 2006-01-12 DJ Delorie <dj@redhat.com>
13718 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13719 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13720 so that constant shifts can be split.
13721 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13722 (m32c_valid_pointer_mode): Make static.
13723 (shift_gen_func_for): New.
13724 (m32c_prepare_shift): Use it. Split large const shifts into
13726 * config/m32c/predicates.md (shiftcount_operand): Allow more
13728 (longshiftcount_operand): New.
13729 * doc/md.texi (Machine Constraints): Document In6.
13731 2006-01-13 Ben Elliston <bje@au.ibm.com>
13733 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13734 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13737 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13739 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13740 to try to avoid clobbering pieces of structures when we know
13741 something about the whole structure.
13742 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13744 2006-01-13 Ben Elliston <bje@au.ibm.com>
13746 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13747 return in memory, as this is no limitation is no longer present.
13749 2006-01-12 DJ Delorie <dj@redhat.com>
13751 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13752 mova with fb, and for fb+0 -> An.
13754 * config/m32c/mov.md (peephole2): Fix enabling logic.
13756 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13757 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13758 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13759 FINI_ARRAY_SECTION_ASM_OP): Define.
13761 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13763 (m32c_legitimize_reload_address): New logic to reload FB to An.
13764 (m32c_output_reg_push): Add newline.
13765 (m32c_output_reg_pop): Likewise.
13767 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13769 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13771 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13773 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13775 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13777 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13780 2006-01-11 Ben Elliston <bje@au.ibm.com>
13782 * rtlanal.c (find_reg_note): Assert insn is not null.
13784 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13786 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13789 2006-01-11 Jeff Law <law@redhat.com>
13791 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13793 (mark_threaded_blocks, register_jump_thread): New functions.
13794 (thread_through_all_blocks): Remove unwanted argument. No
13795 longer rely on e->aux to communicate thread target info.
13796 Call mark_threaded_blocks. Release the threaded_blocks
13797 bitmap and threaded_edges vector when complete.
13798 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13799 (threaded_blocks): Remove.
13800 (tree_ssa_dominator_optimize): Remove initialization and
13801 finalization of threaded_blocks. Simplify call to
13802 thread_through_all_blocks.
13803 (thread_across_edge): Call register_jump_thread rather than
13804 storing thread information into e->aux.
13805 (free_all_edge_infos): Simplify now that e->aux is no longer
13806 used to communicate with thread_through_all_blocks.
13807 * tree-flow.h (thread_through_all_blocks): Update prototype.
13808 (register_jump_thread): Prototype.
13810 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13812 * df-core.c (df_compact_blocks, df_bb_replace): Use
13813 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13815 2006-01-11 Richard Guenther <rguenther@suse.de>
13817 PR tree-optimization/25734
13818 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13819 stop propagation after successful propagation to the LHS.
13821 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13823 * basic-block.h (control_flow_graph): Change the type of
13824 x_basic_block_info to VEC(basic_block,gc) *.
13825 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13827 (SET_BASIC_BLOCK): New.
13828 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13829 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13830 * cfgbuild.c (find_basic_blocks): Likewise.
13831 * cfglayout.c (fixup_reorder_chain): Likewise.
13832 * cfgrtl.c (create_basic_block_structure,
13833 rtl_create_basic_block): Likewise.
13834 * ifcvt.c (find_if_case_1): Likewise.
13835 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13838 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13840 * Makefile.in: Removed rotted odf.c entry.
13842 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13845 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13846 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13847 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13848 output pattern modifier, not %e.
13849 * config/cris/cris.c (cris_op_str): Update comment about pattern
13851 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13852 before falling through into...
13853 <case 'E'>: Redefined from old 'e' case.
13855 2006-01-11 Jan Hubicka <jh@suse.cz>
13858 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13860 2006-01-11 Jan Hubicka <jh@suse.cz>
13862 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13863 * i386.c (x86_decompose_lea): Kill.
13864 (ix86_rtx_costs): Kill.
13866 2006-01-11 Jan Hubicka <jh@suse.cz>
13868 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13869 * cgraph.h (cgraph_node): Add inline_decl.
13870 (cgraph_insert_node_to_hashtable): Declare.
13871 (save_inline_function_body): Declare.
13872 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13874 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13875 (cgraph_function_versioning): Update call of tree_function_versioning.
13876 (save_inline_function_body): New function.
13877 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13878 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13879 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13880 (cgraph_default_inline_p): Likewise.
13881 (cgraph_decide_inlining_incrementally): Likewise.
13882 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13883 (copy_bb): Kill saving; do updating of clones.
13884 (copy_cfg_body): Kill saving.
13885 (initialize_inlined-parameters): Likewise.
13886 (expand_call_inline): Likewise.
13888 (tree_function_versioning): New parameter "update_clones".
13889 (inlining_p): Kill saving.
13890 * tree-inline.h (tree_function_versioning): Update prototype.
13891 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13894 2006-01-11 Ian Lance Taylor <ian@airs.com>
13896 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13897 Allow undoing set of machine mode.
13898 (do_SUBST): Use enums instead of is_int.
13899 (do_SUBST_MODE): New function.
13900 (SUBST_MODE): New macro.
13901 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13902 reg and trying to replace reg_regno_rtx with a new register.
13903 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13904 (simplify_set): Use SUBST_MODE.
13905 (distribute_notes): Remove code that tried to update reg notes
13906 for regno_reg_rtx changes.
13908 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13910 PR tree-optimization/23109
13911 PR tree-optimization/23948
13912 PR tree-optimization/24123
13914 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13915 * tree-cfg.c (single_noncomplex_succ): New.
13916 * tree-flow.h (single_noncomplex_succ): Declare it.
13917 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13918 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13919 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13920 insert_bb, register_division_in, insert_reciprocals,
13921 replace_reciprocal, free_bb): New.
13922 (execute_cse_reciprocals_1): Rewritten.
13923 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13924 Do not commit any edge insertion. Always compute dominators and
13925 create the allocation pool.
13926 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13927 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13928 * targhooks.c (default_min_divistions_for_recip_mul): New.
13929 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13930 * passes.c (init_optimization_passes): Run recip after tree loop
13932 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13934 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13935 Kenneth Zadeck <zadeck@naturalbridge.com>
13937 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13938 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13939 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13940 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13941 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13942 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13943 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13944 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13945 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13946 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13947 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13948 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13949 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13950 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13951 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13952 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13953 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13954 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13955 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13956 DF_SCAN_POST_ALLOC): New macros.
13957 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13958 df_free_bb_function, df_local_compute_function, df_init_function,
13959 df_dataflow_function, df_confluence_function_0,
13960 df_confluence_function_n, df_transfer_function,
13961 df_finalizer_function, df_free_function, df_dump_problem_function,
13962 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13963 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13964 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13965 df_urec_bb_info, ) New types.
13966 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13968 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13969 df_analyze_simple_change_some_blocks,
13970 df_analyze_simple_change_one_block, df_compact_blocks,
13971 df_bb_replace, df_bb_regno_last_use_find,
13972 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13973 df_insn_regno_def_p, df_find_def, df_find_use,
13974 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13975 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13976 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13977 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13978 debug_df_chain, df_get_dependent_problem, df_chain_create,
13979 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13980 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13981 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13982 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13983 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13984 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13985 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13986 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13987 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13988 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13989 df_reorganize_refs, df_set_state, df_hard_reg_init,
13990 df_read_modify_subreg_p) New public functions.
13991 * df-core.c: The core dataflow solver and glue routines for rtl
13993 (df_init, df_add_problem, df_set_blocks, df_finish,
13994 df_hybrid_search_forward, df_hybrid_search_backward,
13995 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13996 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13997 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13998 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13999 df_reg_defined, df_find_use, df_reg_used, df_dump,
14000 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14001 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14002 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14003 debug_df_useno, reset_df_after_reload): New functions.
14004 * df-scan.c: The scanning fuctions, once in df.c, completely
14005 rewritten so that they now fully model the functionality of
14006 register usage at the backend.
14007 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14008 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14009 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14010 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14011 df_get_artificial_defs, df_get_artificial_uses,
14012 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14013 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14014 df_refs_delete, df_reorganize_refs, df_set_state,
14015 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14016 df_def_record_1, df_defs_record, df_uses_record,
14017 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14018 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14019 df_record_exit_block_uses, df_hard_reg_init): New functions.
14021 * df-problems.c: Seven concrete dataflow problems that use the
14022 scanning in df-scan.c and are solved by the engine in df-core.c.
14023 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14024 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14025 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14026 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14027 df_ru_free_bb_info, df_ru_alloc,
14028 df_ru_bb_local_compute_process_def,
14029 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14030 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14031 df_ru_transfer_function, df_ru_free, df_ru_dump,
14032 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14033 df_rd_free_bb_info, df_rd_alloc,
14034 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14035 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14036 df_rd_transfer_function, df_rd_free, df_rd_dump,
14037 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14038 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14039 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14040 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14041 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14042 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14043 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14044 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14045 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14046 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14047 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14048 df_urec_mark_reg_use_for_earlyclobber,
14049 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14050 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14051 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14052 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14053 df_chain_create_bb_process_use, df_chain_create_bb,
14054 df_chain_finalize, df_chain_free, df_chains_dump,
14055 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14056 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14057 df_reg_lifetime): New functions.
14058 * df.c: Deleted file.
14059 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14060 consistent with new df api.
14061 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14062 rest_of_handle_sms): Ditto.
14063 * web.c (unionfind_union, union_defs, entry_register, web_main):
14065 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14066 invariant_expr_equal_p, find_defs, check_dependencies,
14067 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14068 free_inv_motion_data, move_loop_invariants): Ditto.
14069 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14070 Update dependencies.
14071 (odf.c): Added defective entry that was deleted later in day.
14072 * sched-deps.c (sched_analyze_1): Ditto.
14074 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14076 * tree-ssa-operands.c (get_expr_operands): Record addressable
14077 variables directly. Do not call add_stmt_operands for CONST_DECLs
14079 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14080 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14082 2006-01-11 Ben Elliston <bje@au.ibm.com>
14084 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14085 function returns true in the positive case.
14087 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14090 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14091 for SI, DI, SF and DF modes. Add alternatives to copy between
14092 general and floating point registers to the 32-bit patterns.
14093 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14094 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14095 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14096 generating 64-bit code.
14097 * config/pa/pa.c (output_move_double): Handle copies between general
14098 and floating registers.
14100 2006-01-10 Stuart Hastings <stuart@apple.com>
14102 * config/i386/i386.md (set_got): Update.
14103 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14104 (builtin_setjmp_receiver): Mach-O support.
14105 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14106 (GOT_SYMBOL_NAME): Define.
14107 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14108 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14109 * config/i386/i386.c (override_options): Revise for Darwin.
14110 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14111 support. (darwin_x86_file_end): New. (output_set_got): Add label
14112 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14113 * config/i386/i386-protos.h (output_set_got): Likewise.
14114 * config/darwin.c (machopic_legitimize_pic_address): Update
14117 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14119 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14120 when MODE isn't BLKmode.
14122 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14124 PR rtl-optimization/25367
14125 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14127 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14130 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14131 for a negative bound.
14133 2006-01-10 Richard Guenther <rguenther@suse.de>
14135 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14136 Never override with anything constraint.
14138 2006-01-10 Jan Beulich <jbeulich@novell.com>
14140 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14141 256 bits when optimize_size.
14143 2006-01-10 Jan Beulich <jbeulich@novell.com>
14145 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14147 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14148 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14151 2006-01-10 Ben Elliston <bje@au.ibm.com>
14153 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14155 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14156 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14157 (USE_FP_FOR_ARG): Reject decimal float modes.
14158 (function_arg_advance): Likewise.
14159 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14160 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14161 point types in AltiVec vectors.
14162 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14163 (rs6000_libcall_value): Likewise.
14165 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14167 * config/xtensa/ieee754-df.S: New file.
14168 * config/xtensa/ieee754-sf.S: New file.
14169 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14170 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14171 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14173 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14175 * config/sh/predicates.md (binary_float_operator,
14176 binary_logical_operator, commutative_float_operator,
14177 equality_comparison_operator, greater_comparison_operator,
14178 less_comparison_operator, logical_operator,
14179 noncommutative_float_operator, shift_operator,
14180 symbol_ref_operand, unary_float_operator): Remove redundant
14183 2006-01-09 Jeff Law <law@redhat.com>
14185 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14186 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14187 now unused arguments. Callers updated.
14188 (eliminate_redundant_computations): Remove now unused arguments,
14190 (local_fold): Remove, no longer used.
14191 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14193 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14194 (simplify_cond): New function.
14195 (forward_propagate_into_cond): Call simplify_cond.
14197 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14199 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14200 (*vec_extractv2di_1_sse): New.
14202 2006-01-09 Ben Elliston <bje@au.ibm.com>
14204 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14206 2006-01-08 Richard Guenther <rguenther@suse.de>
14208 * tree-ssa-structalias.c (get_constraint_for): Remove
14209 anyoffset argument.
14210 (get_constraint_for_component_ref): Likewise.
14211 (do_deref): Likewise.
14212 (get_constraint_for): Likewise.
14213 (do_structure_copy): Likewise.
14214 (handle_ptr_arith): Likewise.
14215 (find_func_aliases): Likewise. Remove unused need_anyoffset
14218 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14219 Kaz Kojima <kkojima@gcc.gnu.org>
14221 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14222 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14223 (EXTRA_CONSTRAINT_C16): Remove.
14224 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14225 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14226 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14227 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14228 constants of SHmedia. Handle nested constant expressions of
14230 (andcosts): Fix the costs for SHmedia constants.
14231 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14232 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14233 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14234 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14235 (movv4hi_i, movv2si_i): Likewise.
14236 (movsi_const): Adjust the second operand of ior so to match with
14237 the Csu constraint.
14238 (movdi_const, movdi_const_32bit): Likewise.
14239 (movdi_const_16bit+1): Don't sign-extend LOW.
14240 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14242 (*double_shori): Fix the split condition. Use GEN_INT instead
14243 of get_int_mode calls. Mask lower 16-bit of the argument of
14245 (sym2GOTPLT): Remove.
14246 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14248 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14249 instead of EXTRA_CONSTRAINT_C16.
14251 2006-01-07 Ian Lance Taylor <ian@airs.com>
14252 David Edelsohn <edelsohn@gnu.org>
14254 PR rtl-optimization/25662
14255 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14256 for constant operands instead of simplify_gen_binary.
14257 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14258 after trying simplify_binary_operation
14260 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14262 * tree.c (iterative_hash_expr): Hash decls based on UID.
14264 2006-01-06 Eric Christopher <echristo@apple.com>
14266 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14267 (TARGET_UNWIND_EMIT): Fix spelling.
14268 * target.h (gcc_target): Add except_table_label.
14269 * except.c (output_function_exception_table): Use.
14270 * varasm.c (default_emit_except_table_label): New.
14271 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14273 (asm_out): Add here.
14274 * output.h (default_emit_except_table_label): Prototype.
14275 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14276 * config/darwin.c (darwin_emit_except_table_label): Define.
14277 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14279 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14281 PR tree-optimization/18527
14282 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14283 number_of_iterations_special, number_of_iterations_exit):
14284 Move base and step of an iv to a single structure. Add
14285 no_overflow flag, and use it in # of iterations analysis.
14286 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14287 folded_casts argument.
14288 (simple_iv): Pass base and step in a structure. Set no_overflow
14290 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14291 Evaluate expensiveness of computing # of iterations instead of
14292 the final expression.
14293 * tree-scalar-evolution.h (affine_iv): New structure.
14294 (simple_iv): Declaration changed.
14295 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14296 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14297 find_givs_in_stmt): Changed due to simple_iv change.
14299 2006-01-06 Jeff Law <law@redhat.com>
14302 * tree-cfg.c (bsi_replace): Rename final argument from
14303 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14304 change (stmt -> orig_stmt).
14305 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14306 (bsi_remove): Add new argument. Remove EH information
14308 (verify_eh_throw_table_statements): New function.
14309 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14311 * tree-optimize.c (execute_free_cfg_annotations): Verify
14312 the EH throw statement table after removing annotations.
14313 * except.h (verify_eh_throw_table_statements): Prototype.
14314 * tree-flow.h (bsi_remove): Update prototype.
14315 * tree-vrp.c (remove_range_assertions): Add new argument to
14317 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14318 * tree-complex.c (expand_complex_div_wide): Likewise.
14319 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14320 * tree-tailcall.c (eliminate_tailcall): Likewise.
14321 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14322 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14323 * tree-nrv.c (tree_nrv): Likewise.
14324 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14325 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14326 (combine_blocks): Likewise.
14327 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14328 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14329 (cleanup_control_flow): Likewise.
14330 (remove_forwarder_block): Likewise.
14331 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14332 * tree-sra.c (sra_replace): Likewise.
14333 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14334 (forward_propagate_single_use_vars): Likewise.
14335 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14336 * tree-inline.c (expand_call_inline): Likewise.
14337 * tree-vect-transform.c (vect_transform_loop): Likewise.
14338 * tree-outof-ssa.c (rewrite_trees): Likewise.
14339 * tree-cfg.c (make_goto_expr_edges): Likewise.
14340 (cleanup_dead_labels): Likewise.
14341 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14342 (bsi_move_before, bsi_move_after): Likewise.
14343 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14344 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14346 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14349 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14351 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14352 on non gimple variables. Also add checks at the top for decls and
14354 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14356 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14357 and IMAGPART_EXPR for creating MUST_DEFs.
14358 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14359 and NAME_MEMORY_TAG separately from the DECLs.
14361 2006-01-06 Richard Guenther <rguenther@suse.de>
14363 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14364 annotation, if necessary.
14365 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14366 redundant calls to update_stmt.
14367 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14370 2006-01-05 Richard Henderson <rth@redhat.com>
14372 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14374 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14376 * c-typeck.c: Update copyright date.
14378 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14380 * c-typeck.c (build_c_cast): Always warn when casting
14381 from a pointer to an integer of different size, even if
14382 the node was constant.
14384 2006-01-05 Richard Guenther <rguenther@suse.de>
14386 PR tree-optimization/22555
14387 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14388 if one structure field is an array.
14389 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14390 operands even if we found a subvar, but ignore VOPs in this
14392 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14394 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14396 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14398 PR middle-end/24998
14399 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14401 2006-01-05 Richard Guenther <rguenther@suse.de>
14402 Diego Novillo <dnovillo@redhat.com>
14404 * tree-pass.h (TODO_remove_unused_locals): Define.
14405 * gimple-low.c (expand_var_p, remove_useless_vars,
14406 pass_remove_useless_vars): Remove. Update all users.
14407 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14408 (remove_unused_locals): New function.
14409 * tree-flow.h (remove_unused_locals): Declare.
14410 * passes.c (execute_todo): Call remove_unused_locals if
14411 TODO_remove_unused_locals is set.
14412 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14413 * tree-ssa-dce.c (pass_dce): Likewise.
14414 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14416 2006-01-05 Richard Guenther <rguenther@suse.de>
14418 * tree-flow.h (struct fieldoff): Decompose field to
14419 type, size and decl.
14420 * tree-ssa-alias.c (create_sft): Take type as parameter.
14421 (create_overlap_variables_for): Store type, size and decl
14422 in the fieldoff structure.
14423 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14424 of struct fieldoff.
14425 (push_fields_onto_fieldstack): Likewise.
14426 (create_variable_info_for): Likewise. Use offset for the
14427 SFT name if the decl is not available.
14429 2006-01-04 Paul Brook <paul@codesourcery.com>
14431 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14433 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14435 * lambda-code.c (can_put_in_inner_loop): Relax
14437 (can_put_after_inner_loop): New function.
14438 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14439 (perfect_nestify): Change to make copies and modify uses.
14441 2006-01-04 Richard Henderson <rth@redhat.com>
14443 Merge from gomp branch:
14444 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14445 via integer constant.
14446 (pragma_lex): Remove.
14447 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14448 rather than parsing it.
14449 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14450 handle_pragma_extern_prefix): Add %< %> quotes.
14451 (registered_pragmas): New.
14452 (c_register_pragma_1): New.
14453 (c_register_pragma): Use it.
14454 (c_register_pragma_with_expansion): Likewise.
14455 (c_invoke_pragma_handler): New.
14456 (init_pragma): Use cpp_register_deferred_pragma directly for
14458 * c-pragma.h (enum pragma_kind): New.
14459 (pragma_handler): New.
14460 (c_invoke_pragma_handler): Declare.
14461 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14463 * c-common.h (c_common_pch_pragma): Update decl.
14464 * Makefile.in (c-parser.o): Update dependencies.
14465 (GTFILES): Add c-pragma.h.
14466 * c-parser.c (struct c_token): Add pragma_kind.
14467 (struct c_parser): Add in_pragma.
14468 (c_lex_one_token): Always initialize keyword and pragma_kind.
14469 Extract data for CPP_PRAGMA.
14470 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14471 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14472 Don't allow CPP_PRAGMA_EOL if in_pragma.
14473 (c_parser_consume_pragma): New.
14474 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14475 (c_parser_skip_to_end_of_parameter): Likewise.
14476 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14477 (c_parser_skip_to_pragma_eol): New.
14478 (c_parser_external_declaration): Handle CPP_PRAGMA.
14479 (c_parser_compound_statement_nostart): Likewise.
14480 (c_parser_statement_after_labels): Likewise.
14481 (c_parser_pragma): New.
14482 (pragma_lex): Likewise.
14483 (c_parser_pragma_pch_preprocess): New.
14484 (c_parser_new): Merge into ...
14485 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14487 2006-01-04 Jeff Law <law@redhat.com>
14490 * tree-cfg.c (bsi_replace): Remove the original statement
14491 from the EH throw statement table.
14493 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14495 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14496 make the prototype extern "C" and add throw ().
14499 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14500 and pos non-negative and pos + len <= 32.
14501 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14502 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14503 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14506 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14507 as well as sizes not multiple of component size.
14510 * function.c (instantiate_expr): New function.
14511 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14512 walk its DECL_VALUE_EXPR with instantiate_expr.
14514 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14515 DW_OP_deref{,_size} if address isn't going to be added.
14517 2006-01-04 Ben Elliston <bje@au.ibm.com>
14519 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14520 * config/fp-bit.c: Likewise.
14522 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14524 * dominance.c: Add comment about why we use DFS numbering
14527 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14528 Richard Henderson <rth@redhat.com>
14530 Merge from gomp-branch:
14531 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14532 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14534 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14536 PR rtl-optimization/25578
14537 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14538 pass a parameter to simplify_shift_const if changing ASHIFTRT
14541 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14543 * builtins.c (get_builtin_sync_mem): New function.
14544 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14545 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14546 Call get_builtin_sync_mem to generate mem rtx.
14548 2006-01-03 Richard Guenther <rguenther@suse.de>
14551 * stmt.c (add_case_node): Make sure to clear overflow flags
14554 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14556 Merge from gomp-branch.
14557 * config/sparc/sync.md: New file.
14558 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14559 UNSPECV_LDSTUB): New constants.
14560 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14561 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14562 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14565 2006-01-03 Roger Sayle <roger@eyesopen.com>
14567 * combine.c (reg_subword_p): New predicate to test whether the
14568 destination of a set refers to a subword/piece of a register.
14569 (try_combine): Generalize the code to merge the setting of a
14570 pseudo to a constant followed by a set of a subword of that
14571 register to a constant.
14573 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14575 * basic-block.h (control_flow_graph): Change the type of
14576 x_label_to_block_map to VEC(basic_block,gc) *.
14577 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14578 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14580 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14581 VEC(basic_block,heap) *.
14582 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14583 ssa_prop_fini): Adjust the uses of cfg_blocks.
14585 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14587 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14589 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14590 hashing trees instead of a pointer hash.
14591 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14592 compare for MEM_EXPR.
14594 PR rtl-optimization/25130
14595 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14596 when comparing MEMs for GCSE
14598 2006-01-03 Ben Elliston <bje@au.ibm.com>
14600 * targhooks.h (default_decimal_float_supported_p): Declare.
14601 * targhooks.c (default_decimal_float_supported_p): Define.
14602 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14603 `default_decimal_float_supported_p'.
14604 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14606 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14608 * combine.c (apply_distributive_law <SUBREG>): Check
14609 TRULY_NOOP_TRUNCATION.
14611 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14613 * dwarf2out.c (have_switched_text_section): Delete.
14614 (have_multiple_function_sections): New.
14615 (have_location_lists): Make 'bool'.
14616 (add_AT_loc_list): Use 'true' not '1'.
14617 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14618 (output_loc_list): Use have_multiple_function_sections.
14619 (output_ranges): Likewise.
14620 (dwarf2out_begin_function): Set have_multiple_function_sections if
14622 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14623 Check function_section rather than DECL_SECTION_NAME.
14624 (dwarf2out_finish): Use have_multiple_function_sections.
14625 Don't clear have_location_lists.
14627 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14628 Jan Hubicka <jh@suse.cz>
14630 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14631 case of conditional jump jumping to the next instruction.
14632 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14633 cases of conditional jump jumping to the next instruction.
14635 2006-01-02 Jan Hubicka <jh@suse.cz>
14637 * i386.c (*_cost): Add COSTS_N_INSNS.
14638 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14640 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14643 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14645 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14647 * config/arm/arm.c (all_fpus): Fix comment typo.
14648 * config/darwin.c: Likewise.
14649 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14650 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14651 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14653 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14655 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14656 (rs6000_split_compare_and_swapqhi): New.
14657 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14658 (sync_compare_and_swapqhi_internal): New.
14659 * config/rs6000/rs6000-protos.h: Declare.