1 2006-09-07 Jason Merrill <jason@redhat.com>
4 * config/i386/i386.c (override_options): Use 128-bit
5 stack boundary if -msse.
7 2006-09-07 Eric Christopher <echristo@apple.com>
9 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
11 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
14 2006-09-07 Geoffrey Keating <geoffk@apple.com>
16 * dwarf2out.c: Remove strange characters from comment above
17 dwarf2out_frame_debug_expr.
19 2006-09-07 Eric Christopher <echristo@apple.com>
21 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
22 * config/darwin.h: ... to here.
24 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
26 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
28 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
29 (TARGET_PARTIAL_FLAG_REG_STALL): New.
31 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
32 TARGET_PARTIAL_FLAG_REG_STALL.
33 (*ashldi3_cconly_rex64): Likewise.
34 (*ashlsi3_cmp): Likewise.
35 (*ashlsi3_cconly): Likewise.
36 (*ashlsi3_cmp_zext): Likewise.
37 (*ashlhi3_cmp): Likewise.
38 (*ashlhi3_cconly): Likewise.
39 (*ashlqi3_cmp): Likewise.
40 (*ashlqi3_cconly): Likewise.
41 (*ashrdi3_cmp_rex64): Likewise.
42 (*ashrdi3_cconly_rex64): Likewise.
43 (*ashrsi3_cmp): Likewise.
44 (*ashrsi3_cconly): Likewise.
45 (*ashrsi3_cmp_zext): Likewise.
46 (*ashrhi3_cmp): Likewise.
47 (*ashrhi3_cconly): Likewise.
48 (*ashrqi3_cmp): Likewise.
49 (*ashrqi3_cconly): Likewise.
50 (*lshrdi3_cmp_rex64): Likewise.
51 (*lshrdi3_cconly_rex64): Likewise.
52 (*lshrsi3_cmp): Likewise.
53 (*lshrsi3_cconly): Likewise.
54 (*lshrsi3_cmp_zext): Likewise.
55 (*lshrhi3_cmp): Likewise.
56 (*lshrhi3_cconly): Likewise.
57 (*lshrqi2_cmp): Likewise.
58 (*lshrqi2_cconly): Likewise.
60 2006-09-07 Uros Bizjak <uros@kss-loka.si>
63 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
64 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
65 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
66 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
67 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
68 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
69 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
70 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
71 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
72 implement only CC setting effects of shift instructions.
74 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
76 * doc/contrib.texi: Add myself.
78 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
81 * stor-layout.c (relayout_decl): Don't zero the alignment if it
84 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
87 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
88 (divsi_inv_m1): Use them.
89 (UNSPEC_DIV_INV_TABLE): New constant.
91 2006-09-06 James E Wilson <wilson@specifix.com>
94 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
95 then call count_or_remove_death_notes.
97 2006-09-06 Jason Merrill <jason@redhat.com>
100 * tree-inline.c (copy_result_decl_to_var): New fn.
101 (declare_return_variable): Use it. Call declare_inline_vars here.
102 (expand_call_inline): Not here.
104 2006-09-06 Diego Novillo <dnovillo@redhat.com>
106 * doc/contrib.texi: Update my entry.
108 2006-09-06 Nick Clifton <nickc@redhat.com>
110 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
112 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
115 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
116 (canonicalize_induction_variables): Likewise.
117 (tree_unroll_loops_completely): Likewise.
118 (tree_ssa_prefetch_arrays): Likewise.
119 (remove_empty_loops): Likewise.
120 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
121 TODO_cleanup_cfg instead of directly calling
122 cleanup_tree_cfg_loop.
123 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
125 (tree_unroll_loops_completely): Likewise.
126 (remove_empty_loops): Likewise.
127 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
128 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
129 of tree_ssa_unswitch_loops.
130 (tree_ssa_loop_ivcanon): Use the return value of
131 canonicalize_induction_variables.
132 (tree_ssa_empty_loop): Use the return value of
134 (tree_complete_unroll): Use the return value of
135 tree_unroll_loops_completely.
136 (tree_ssa_loop_prefetch): Use the return value of
137 tree_ssa_prefetch_arrays.
138 * passes.c (execute_todo): Before Cleanup CFG, set
139 updating_used_alone and after cleanup CFG, call
140 recalculate_used_alone.
142 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
145 * tree-vect-transform.c (vectorizable_condition): Move the check
146 for the type after the check for simple condition.
148 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
149 Kaz Kojima <kkojima@gcc.gnu.org>
152 * mode-switching.c (optimize_mode_switching): Make the destination
153 block of an abnormal edge have no anticipatable mode. Don't
154 insert mode switching code at the end of the source block of
157 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
159 PR rtl-optimization/26847
160 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
161 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
162 (simplify_plus_minus): Count n_constants while filling ops. Replace
163 qsort with insertion sort. Before going through the array to simplify
164 pairs, sort it. Delay early exit until after the first sort, exiting
165 only if no swaps occurred. Simplify pairs in reversed order, without
166 special-casing the first iteration. Pack ops after simplifying pairs.
168 2006-09-05 Anatoly Sokolov <aesok@post.ru>
170 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
171 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
172 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
173 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
175 2006-09-05 Richard Guenther <rguenther@suse.de>
177 PR tree-optimization/28900
178 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
179 compound conditional before creating COND_EXPR condition.
181 2006-09-05 Richard Guenther <rguenther@suse.de>
183 PR tree-optimization/28905
184 * tree-vrp.c (fix_equivalence_set): Manually implement
185 !value_ranges_intersect_p to also handle symbolic ranges.
187 2006-09-05 Richard Guenther <rguenther@suse.de>
190 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
193 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
195 PR rtl-optimization/27616
196 * cse.c (table_size): New static variable.
197 (new_basic_block): Initialize it to 0.
198 (remove_from_table): Decrement it.
199 (insert): Increment it.
200 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
201 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
202 fold_rtx_mem_1 if under the cap.
203 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
204 the lookup of the equivalent expression and test for equality of the
205 first operand of the equivalent expression before in turn looking up
206 an equivalent constant for the second operand.
208 2006-09-02 Geoffrey Keating <geoffk@apple.com>
211 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
212 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
213 pointer, instead of assuming it is possible to derive the
214 correct args size from a call insn.
216 2006-09-02 Jakub Jelinek <jakub@redhat.com>
219 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
220 (fold_builtin_mempcpy): Rename to...
221 (fold_builtin_memory_op): ... this. Optimize one element copy
223 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
225 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
226 (expand_builtin_memcpy, expand_builtin_mempcpy,
227 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
228 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
229 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
230 BUILT_IN_MEM{CPY,PCPY,MOVE}.
232 2006-09-01 DJ Delorie <dj@redhat.com>
234 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
236 ("stzx_24_<mode>"): Likewise.
237 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
238 ("cmp<mode>_op"): New.
239 (cmp<mode>): Change to expander; just save operands.
241 (b<code>): Change to expander, emit compare here.
242 (s<code>_op): Change to use split and expander.
243 (s<code>_24_op): Likewise.
244 (s<code>_<mode>): New.
245 (s<code>_<mode>_24): New.
246 (movqicc_<code>_<mode): New.
247 (movhicc_<code>_<mode>): New.
250 * config/m32c/m32c.c (compare_op0, compare_op1): New.
251 (m32c_pend_compare): New.
252 (m32c_unpend_compare): New.
253 (m32c_expand_scc): New.
254 (m32c_expand_movcc): Emit the compare also.
255 * config/m32c/predicates.md (mra_nopp_operand): New.
257 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
258 Richard Guenther <rguenther@suse.de>
259 Adam Nemet <anemet@caviumnetworks.com>
262 * builtins.c (get_pointer_alignment): Handle more forms
263 of base addresses that can be used to derive more precise
264 information about alignment.
266 2006-09-01 Jason Merrill <jason@redhat.com>
269 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
272 * gimplify.c (voidify_wrapper_expr): Handle null type.
274 2006-09-01 Josh Conner <jconner@apple.com>
277 * tree-nrv.c (dest_safe_for_nrv_p): New function.
278 (execute_return_slot_opt): Use it.
280 2006-08-31 Josh Conner <jconner@apple.com>
283 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
284 returning aggregates.
286 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
288 PR tree-optimization/28839
289 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
290 blocks in that phi arguments appear.
292 2006-08-31 Roger Sayle <roger@eyesopen.com>
295 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
296 NULL, otherwise use an advance_loc4 to adjust relative to the
298 (output_cfi) <DW_CFA_set_loc>: Update the current label.
299 (dwarf2out_switch_text_section): Reset the current label to avoid
300 using advance_loc4 over section boundaries.
302 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
305 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
306 r12 + SYMBOLIC_CONST.
308 2006-08-30 Richard Guenther <rguenther@suse.de>
310 * Makefile.in (see.o): Add $(EXPR_H) dependency.
312 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
314 PR rtl-optimization/27735
315 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
316 Add new argument to keep track of whether an irreducible region
317 was affected. All callers changed.
318 (fix_irreducible_loops): Removed.
319 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
320 flags were invalidated.
322 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
324 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
325 instead of SF operands.
326 (*fop_df_comm_sse): Likewise.
327 (*fop_df_comm_i387): Likewise.
328 (*fop_df_1_mixed): Likewise.
329 (*fop_df_1_sse): Likewise.
331 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
332 J"orn Rennecke <joern.rennecke@st.com>
334 PR tree-optimization/17506
335 * tree-ssa.c (warn_uninit): If warning about a location outside of
336 the current function, note where the variable was declared.
338 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
340 PR tree-optimization/28411
341 * double-int.c (double_int_div): Use double_int_divmod.
342 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
343 double_int_mod, double_int_smod, double_int_umod): New functions.
344 * double-int.h (double_int_divmod, double_int_sdivmod,
345 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
347 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
349 (get_computation_aff, get_computation_cost_at): Handle double_int
350 return type of constant_multiple_of.
352 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
355 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
356 an implicit conversion.
358 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
360 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
362 2006-08-27 Roger Sayle <roger@eyesopen.com>
364 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
367 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
369 * config/i386/crtfastmath.c: Fix a comment typo.
371 2006-08-26 Roger Sayle <roger@eyesopen.com>
373 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
374 temporary visit flags on CASE_LABEL_EXPRs.
375 * c-common.c (match_case_to_enum): Add function comment. Avoid
376 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
377 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
378 CASE_HIGH_SEEN for enumerated types. If the switch expression is
379 a constant, only warn if that constant value isn't handled.
381 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
384 * input.h (restore_input_file_stack): Declare.
385 (INPUT_FILE_STACK_BITS): Define.
386 * toplev.c (fs_p, input_file_stack_history,
387 input_file_stack_restored, restore_input_file_stack): New.
388 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
389 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
390 (pop_srcloc): Don't free old state of stack.
392 2006-08-26 David Edelsohn <edelsohn@gnu.org>
395 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
396 (PowerPC Type Attributes): New.
398 2006-08-26 Bob Wilson <bob.wilson@acm.org>
400 * config/xtensa/xtensa.c (function_arg_boundary): New.
401 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
403 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
404 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
406 2006-08-26 Jakub Jelinek <jakub@redhat.com>
409 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
412 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
414 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
415 (verify_local_live_at_start): Likewise.
417 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
420 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
421 omp_add_variable): Treat sizes as variable whenever not
424 2006-08-26 Richard Guenther <rguenther@suse.de>
427 * fold-const.c (fold_binary): Fold temporary to correct
428 type before constructing new comparison.
430 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
433 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
434 variable again if DECL_SEEN_IN_BIND_EXPR_P.
436 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
439 * c-decl.c (start_function): Don't try to process prototype
440 information from old declaration that isn't a function.
442 2006-08-25 Jan Hubicka <jh@suse.cz>
445 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
447 2006-08-25 Alan Modra <amodra@bigpond.net.au>
450 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
453 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
455 PR tree-optimization/16876
456 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
457 exit if PARM doesn't match VALUE.
459 2006-08-25 Bob Wilson <bob.wilson@acm.org>
461 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
462 literal_prefix directive.
463 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
464 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
465 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
467 2006-08-25 David Edelsohn <edelsohn@gnu.org>
470 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
471 predicate to general_operand. Add 0->y and I->r alternatives.
473 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
475 * doc/tm.texi: Fix a typo.
476 * predict.c: Fix comment typos.
478 2006-08-25 Nick Clifton <nickc@redhat.com>
480 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
481 assertions of "cpu" and "machine".
483 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
486 * tree-ssa-operands.c (access_can_touch_variable): Don't say
487 the access through a base which has an alias set of 0 cannot
490 2006-08-24 Bill Wendling <wendling@apple.com>
492 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
494 2006-08-24 Jan Hubicka <jh@suse.cz>
496 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
498 2006-08-24 Jan Hubicka <jh@suse.cz>
501 * cgraph.c: Fix comments.
502 (cgraph_varpool_mark_needed_node): Mark only variables not already
504 * cgraphunit.c: Update comments; include gt-cgraphunit.h
505 (cgraph_varpool_assembled_nodes_queue): New static variable.
506 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
507 (cgraph_varpool_output_debug_info): New function.
508 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
509 * Makefile.in: Add gt-cgraphunit.h
511 2006-08-24 Jan Hubicka <jh@suse.cz>
513 * predict.c (probability_reliable_p): New predicate.
514 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
515 (predict_loops): Do not predict loop exit with less than 2%
517 * basic-block.h (edge_probability_reliable_p,
518 br_prob_note_reliable_p): Declare.
519 * ia64.h (ia64_print_operand): Do not disable on-chip branch
520 prediction when static predictor is not reliable.
521 * rs6000.c (output_cbranch): Likewise.
523 2006-08-23 Stuart Hastings <stuart@apple.com>
526 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
527 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
529 2006-08-21 Geoffrey Keating <geoffk@apple.com>
532 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
533 complex values, nor for generic vector values.
535 2006-08-22 Richard Guenther <rguenther@suse.de>
538 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
539 parameter. Convert arguments to arithmetic expression to the
541 (analyze_scalar_evolution_1): Adjust caller.
543 2006-08-22 Jan Hubicka <jh@suse.cz>
545 Patch by Paolo Bonzini
546 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
549 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
551 PR tree-optimization/28003
552 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
553 before grouping aliases.
555 2006-08-22 Roger Sayle <roger@eyesopen.com>
557 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
558 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
560 2006-08-21 Jason Merrill <jason@redhat.com>
563 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
564 wrapper. Loop to handle nested wrappers.
565 (gimplify_bind_expr): Remove temp parameter.
566 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
567 and STATEMENT_LIST on the rhs.
568 (gimplify_statement_list): Voidify the STATEMENT_LIST.
569 (gimplify_expr): Pass pre_p to gimplify_statement_list.
570 (gimplify_target_expr): Remove special BIND_EXPR handling.
572 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
574 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
577 2006-08-21 Olivier Hainque <hainque@adacore.com>
579 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
580 Arrange for the temporary captures of components overlapping the lhs
581 to happen before the lhs is possibly cleared.
583 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
585 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
586 necessary places to pass the correct "number of registers" values
589 2006-08-20 Jan Hubicka <jh@suse.cz>
591 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
592 (create_name_tags): Instead of quadratic checking use hashtable.
593 * bitmap.h: Include hashtab.h.
594 (bitmap_hash): Declare.
595 * bitmap.c (bitmap_hash): New function.
597 2006-08-20 Jan Hubicka <jh@suse.cz>
599 PR rtl-optimization/28071
600 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
602 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
603 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
604 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
605 cgraph_decide_inlining_incrementally): Update use of
606 cgraph_check_inline_limits.
607 * cgraph.c (edge_hash, edge_eq): New function.
608 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
609 cgraph_edge_remove_caller, cgraph_node_remove_callees,
610 cgraph_remove_node): Maintain call site hash.
611 * cgraph.h (struct cgraph_node): Add call_site_hash.
612 (cgraph_set_call_stmt): New function.
614 2006-08-20 Jan Hubicka <jh@suse.cz>
616 PR rtl-optimization/28071
617 * reload1.c (reg_has_output_reload): Turn into regset.
618 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
619 choose_reload_regs, emit_reload_insns): Update to new
620 reg_has_output_reload.
622 2006-08-20 Jan Hubicka <jh@suse.cz>
625 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
627 * cgraphunit.c (cgraph_analyze_function): Don't do so.
629 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
632 * tree.c (handle_dll_attribute): Return early if not a
633 var or function decl.
635 2006-08-18 Joseph Myers <joseph@codesourcery.com>
638 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
639 alignment of SPE vector types.
641 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
643 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
645 2006-08-17 Jakub Jelinek <jakub@redhat.com>
648 * cgraph.h (struct cgraph_node): Remove externally_visible
650 * cgraphunit.c (process_function_and_variable_attributes): Set
651 local.externally_visible rather than externally_visible.
654 * c-common.c (handle_externally_visible_attribute): First look
655 at TREE_CODE and only if it is function or var decl, check for
656 non-public objects. Don't warn for DECL_EXTERNAL.
657 * cgraphunit.c (process_function_and_variable_attributes): Warn
658 if externally_visible attribute is used on non-public object.
660 2006-08-17 Jan Hubicka <jh@suse.cz>
662 PR tree-optimization/27865
663 * reload1.c (forget_marked_reloads): New function.
664 (forget_old_reloads_1): When data are passed, just mark the registers
666 (reload_as_needed): Use the new mechanizm.
668 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
671 * reload.h (reg_equiv_alt_mem_list): New declaration.
672 * reload1.c (reg_equiv_alt_mem_list): New definition.
673 (reload): Initialize it and release it.
674 (delete_output_reload): Use it.
675 * reload.c (push_reg_equiv_alt_mem): New function.
676 (find_reloads_toplev): Call it.
677 (find_reloads_address, find_reloads_address_1): Likewise.
678 (find_reloads_subreg_address): Likewise.
680 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
682 PR rtl-optimization/28489
683 * sched-ebb.c (begin_schedule_ready): Create basic block
685 (advance_target_bb): Skip empty blocks.
686 * haifa-sched.c (bb_note): Make global.
687 * sched-int.h (bb_note): Add prototype.
689 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
691 PR tree-optimization/27865
692 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
694 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
695 fold_used_pointer, pointer_used_p): New functions.
696 (analyze_scalar_evolution_1): Use fold_used_pointer.
697 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
698 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
701 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
704 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
705 or the INTEGER_CST. Fail on a CALL_EXPR.
706 (fold_offsetof): Pass new argument to fold_offsetof_1.
707 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
708 operand into an INDIRECT_REF.
709 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
711 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
713 PR gcov/profile/26570
714 * value-prof.c (static_values): Removed.
715 (tree_find_values_to_profile): Do not set static_values.
716 (find_values_to_profile): Do not free static_values.
717 * profile.c (instrument_values): Do not free the values.
718 (branch_prob): Free the values.
720 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
722 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
724 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
727 * c-typeck.c (build_component_ref): Combine qualifiers of
728 structure or union and field.
730 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
732 PR rtl-optimization/28071
733 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
734 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
735 * tree-into-ssa.c (struct dom_dfsnum): New.
736 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
738 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
739 compute_global_livein.
740 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
741 in phi nodes in the correct blocks.
743 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
745 PR tree-optimization/28364
746 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
748 (fold_affine_expr): New function.
749 (may_eliminate_iv): Use fold_affine_expr.
751 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
754 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
757 2006-08-16 Mike Stump <mrs@apple.com>
759 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
760 * doc/cppopts.texi (-MD): Likewise.
762 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
765 * c-common.c (handle_weak_attribute): Ignore and warn if
766 not a FUNCTION_ or VAR_DECL.
768 2006-07-15 Mike Stump <mrs@apple.com>
771 * c-parser.c (c_parser_typeof_specifier): Don't use
772 c_finish_expr_stmt, open code desired semantics instead.
774 2006-08-15 Nick Clifton <nickc@redhat.com>
776 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
777 fragment to tmake_file only if threads are enabled.
778 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
779 * config/i386/t-gthr-win32: New file. ... here.
781 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
784 * c-parser.c (c_parser_compound_statement_nostart): Reset
785 parser->error after each statement.
787 2006-08-15 Jakub Jelinek <jakub@redhat.com>
790 * omp-low.c (lower_omp_parallel): Convert t to
791 receiver_decl's type.
792 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
793 source before comparison.
796 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
797 to itype in assignment to oldival2.
799 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
803 * c-typeck.c (build_compound_expr): If the second expression
804 is an error mark, then just return an error mark instead of
805 creating a COMPOUND_EXPR.
807 2006-07-14 Mike Stump <mrs@apple.com>
809 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
811 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
813 * c-decl.c, var-tracking.c: Fix comment typos.
815 2006-08-14 Richard Sandiford <richard@codesourcery.com>
817 PR rtl-optimization/28634
818 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
819 for floating-point modes unless flag_unsafe_math_optimizations.
821 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
822 Andrew Pinski <pinskia@physics.uc.edu>
825 * tree.c (build_array_type): Unify array types with
826 unspecified index_type.
827 * c-decl.c (grokdeclarator): Make sure we do not modify a
828 unified incomplete array type.
829 * c-typeck.c (store_init_value): Create distinct type before
830 filling in the index type in an initializer from a compound
833 * c-decl.c (grokdeclarator): Remove code where we copy the
836 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
838 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
839 into account for TODO_dump_cgraph.
840 (TODO_update_ssa_no_phi): Likewise.
841 (TODO_update_ssa_full_phi): Likewise.
842 (TODO_update_ssa_only_virtuals): Likewise.
843 (TODO_remove_unused_locals): Likewise.
844 (TODO_set_props): Likewise.
845 (TODO_update_stmt_usage): Likewise.
847 2006-08-13 Dirk Mueller <dmueller@suse.de>
849 * c-common.c (strict_aliasing_warning): Fix formatting.
851 2006-08-13 Matthias Klose <doko@debian.org>
853 * doc/invoke.texi: Fix spelling errors.
855 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
857 PR rtl-optimization/23454
858 * reorg.c (relax_delay_slots): Update comment.
860 2006-08-11 Richard Guenther <rguenther@suse.de>
863 * simplify-rtx.c (simplify_const_relational_operation):
864 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
867 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
869 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
870 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
872 2006-08-10 Paul Brook <paul@codesourcery.com>
874 * final.c (final_scan_insn): Clear current_insn_predicate before
875 outputting inline asm.
877 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
879 PR tree-optimization/26197
880 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
881 get_ref_base_and_extent and overlap_subvar to add only relevant
882 subvars as may-aliases.
883 (add_may_alias_for_new_tag): New function, factored out of
885 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
886 with additional argument.
887 * tree-flow.h (new_type_alias): Takes additional argument.
889 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
891 * gcov.c (no_data_file): New flag.
892 (read_count_file): Set it if data file not present. Assume counts
894 (output_lines): Don't name the data file, if there wasn't one.
896 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
898 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
899 (rs6000_generate_compare): Tweak comments.
900 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
902 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
904 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
905 (var_debug_decl): New function.
906 (var_reg_set): Follow debug decl link. Add location even if
907 reg is already known to hold some other variable.
908 (var_mem_set): Follow debug decl link.
909 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
910 decl link. Delete other known locations of the variable part
912 (var_reg_delete, var_mem_delete): Delete other known locations
913 of the variable part if requested.
914 (same_variable_part_p): New function.
915 (add_stores): Select MO_COPY when appropriate.
916 (vt_initialize): Handle it.
917 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
918 known locations for MO_SET and MO_CLOBBER.
919 (find_variable_location_part): New function.
920 (set_variable_part, delete_variable_part): Use it.
921 (clobber_variable_part): New function.
922 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
925 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
927 PR tree-optimization/26969
928 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
929 with an empty list of PHIs.
931 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
935 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
938 2006-08-06 Andreas Schwab <schwab@suse.de>
940 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
941 string. Whitespace and comment fixup.
943 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
946 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
950 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
953 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
955 2006-08-04 Jan Hubicka <jh@suse.cz>
959 * reload.c (push_reload): Patch out the mismatching instruction;
961 (find_reload): Bail out if the instruction was patched out.
963 2006-08-04 Jan Hubicka <jh@suse.cz>
965 PR tree-optimization/24888
966 * tree-inline.c (expand_call_inline): Do not re-record variables.
967 (declare_inline_vars): Add variable to unexpanded_var_list.
969 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
970 Roger Sayle <roger@eyesopen.com>
972 PR rtl-optimization/26244
973 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
974 inner_const are negative or greater than or equal to the bitsize of
975 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
976 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
977 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
978 CONST0_RTX (mode) when the new shift count is greater than or equal to
979 to the bitsize of the object being shifted and XEXP (y, 0) has no side
982 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
984 * tree-cfg.c: Fix a comment typo.
986 2006-08-03 Mark Mitchell <mark@codesourcery.com>
989 * varasm.c (output_constant): Give the front end another chance to
990 expand constants, after stripping NOPs.
992 2006-08-03 Jan Hubicka <jh@suse.cz>
994 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
997 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
999 PR tree-optimization/27770
1000 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1001 declaration removed (moved to tree-flow.h).
1002 (vect_can_force_dr_alignment_p): Likewise.
1003 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1004 (moved from tree-vectorizer.h).
1005 (vect_can_force_dr_alignment_p): Likewise.
1006 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1007 from outside the vectorizer - in particular from cgraph stage.
1008 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1009 the alignment of global arrays when -fsection-anchors is enabled.
1010 * cgraphunit.c (cgraph_increase_alignment): New function.
1011 (cgraph_optimize): Call cgraph_increase_alignment.
1013 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1016 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1017 not reload a SPE symbol_ref into a lo_sum address.
1019 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1022 * dwarf2out.c (prune_unused_types_prune): Move call to
1023 prune_unused_types_update_strings to cover the parent DIE also.
1025 2006-08-02 Jan Hubicka <jh@suse.cz>
1027 PR gcov/profile/28480
1028 * tree-cfg.c (change_bb_for_stmt): New function.
1029 (tree_merge_blocks, tree_split_blocks): Use it.
1031 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1037 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1038 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1039 (cgraph_optimize): Likewise.
1041 2006-08-01 Stuart Hastings <stuart@apple.com>
1043 * rtl.h (UINTVAL) New.
1044 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1045 * testsuite/gcc.dg/20060801-1.c: New.
1047 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1050 * c-typeck.c (build_external_type): Mark used enum types.
1051 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1053 (gen_subprogram_die): Whitespace fix.
1055 2006-08-01 Jan Hubicka <jh@suse.cz>
1057 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1058 bitmap when not needed.
1059 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1062 2006-08-01 Dirk Mueller <dmueller@suse.de>
1064 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1066 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1068 * Makefile.in: Revert part of previous patch:
1069 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1072 2006-07-30 Eric Christopher <echristo@apple.com>
1075 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1076 (PowerPC Variable Attributes): New section.
1078 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1080 PR target/28126 (partial fix)
1081 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1083 2006-07-28 Jan Hubicka <jh@suse.cz>
1085 PR rtl-optimization/28071
1086 * cfgrtl.c (rtl_delete_block): Free regsets.
1087 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1089 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1091 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1092 and variables used in dependencies.
1094 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1096 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1097 %fs for -mcmodel=kernel.
1098 (stack_tls_protect_test_di): Likewise.
1100 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1102 * Makefile.in: Use mkinstalldirs.
1104 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1107 * opts-common.c (prune_options): Skip joined switches.
1109 2006-07-27 Jan Hubicka <jh@suse.cz>
1111 PR rtl-optimization/28071
1112 * cselib.c (cselib_process_insn): Don't remove useless values too
1113 often for very large hashtables.
1115 2006-07-27 Jan Hubicka <jh@suse.cz>
1117 PR rtl-optimization/28071
1118 * global.c (greg_obstack): New obstack.
1119 (allocate_bb_info): Use it.
1120 (free_bb_info): Likewise.
1121 (modify_reg_pav): Likewise.
1123 2006-07-27 Roger Sayle <roger@eyesopen.com>
1125 * builtins.c (fold_fixed_mathfn): When long and long long are the
1126 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1127 functions to their lceil*, lfloor*, lround* and lrint* forms.
1129 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1132 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1134 (rev_branch_insn): Likewise.
1136 2006-07-27 Jan Hubicka <jh@suse.cz>
1138 PR rtl-optimization/28071
1139 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1140 (reg_set_in_bb, max_reg_computed): New static variables.
1141 (regmove_optimize): Free the new array.
1142 (fixup_match_1): Update call of reg_is_remote_constant_p.
1144 2006-07-26 Jan Hubicka <jh@suse.cz>
1146 PR tree-optimization/27882
1147 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1149 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1151 (cgraph_analyze_compilation_unit): Likewise.
1152 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1153 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1154 (cgraph_early_inlinine): Make order garbage collected.
1155 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1157 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1159 * dbxout.c (output_types_sort): Add a comment.
1160 (output_used_types): Free the VEC.
1162 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1164 * function.c (reorder_fix_fragments): Delete.
1165 (reorder_blocks): Don't call it.
1166 (reorder_blocks_1): Put all subblocks under the origin block.
1168 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1170 PR rtl-optimization/27907
1171 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1174 2006-07-25 Roger Sayle <roger@eyesopen.com>
1177 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1178 bar(x) check that bar's result type can represent all the values of T.
1180 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1182 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1184 2006-07-25 Nick Clifton <nickc@redhat.com>
1186 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1187 size_lookup[] array.
1188 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1189 (ggc_pch_count_object): Likewise.
1190 (ggc_pch_alloc_object): Likewise.
1191 (ggc_pch_write_object): Likewise.
1192 (init_ggc): Do not attempt to initialize entries in the
1193 size_lookup[] array for objects whose size is greater than than
1194 the length of the array.
1196 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1198 * dbxout.c (output_used_types_helper): Push queued types
1200 (output_types_sort): New.
1201 (output_used_types): Collect used types on a VEC and sort them
1204 2006-07-24 Richard Guenther <rguenther@suse.de>
1207 * cgraph.c (cgraph_remove_node): Do not check if dumps
1209 * cgraphunit.c (cgraph_optimize): Likewise.
1211 2006-07-24 Jan Hubicka <jh@suse.cz>
1213 PR rtl-optimization/28071
1214 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1215 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1216 splitting before first stmt.
1218 2006-07-24 Jan Hubicka <jh@suse.cz>
1220 PR rtl-optimization/28071
1221 * ipa-inline.c (update_caller_keys): Remove edges that
1222 are no longer inline candidates.
1224 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1227 * dbxout.c (output_used_types_helper, output_used_types): New.
1228 (dbxout_symbol): Call output_used_types.
1230 2006-07-23 Jan Hubicka <jh@suse.cz>
1234 * cgraph.c (cgraph_varpool_nodes): Export.
1235 (decide_is_variable_needed): Ignored "used" attribute in
1236 unit-at-a-time mode.
1237 * cgraph.h (cgraph_varpool_nodes): Declare.
1238 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1239 unit-at-a-time mode.
1241 2006-07-23 Roger Sayle <roger@eyesopen.com>
1244 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1245 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1246 the __gthrw form of thr_keycreate.
1247 (__gthread_key_delete): Silence the unused argument warning.
1249 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1252 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1253 Cache the last found '\0' marker to avoid quadratic behavior.
1255 2006-07-23 Jan Hubicka <jh@suse.cz>
1257 * i386.md (subsi_3_zext): Fix output template.
1259 2006-07-21 Mike Stump <mrs@apple.com>
1261 * doc/invoke.texi (C++ Dialect Options): Note that
1262 -fvisibility-inlines-hidden doesn't affect explicitly
1263 instantiationed inline methods.
1265 2006-07-20 Roger Sayle <roger@eyesopen.com>
1267 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1268 if the target assembler is GNU binutils' gas.
1269 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1270 whether to pass GNU gas or native as command line options.
1272 2006-07-20 Jason Merrill <jason@redhat.com>
1274 * tree.c (remove_attribute): New fn.
1275 * tree.h: Declare it.
1277 2006-07-20 Paul Brook <paul@codesourcery.com>
1280 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1281 they are invalidated by this instruction.
1283 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1286 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1288 2006-07-20 Eric Christopher <echristo@apple.com>
1291 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1293 2006-07-19 Eric Christopher <echristo@apple.com>
1295 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1296 Rewrite dependencies for libgcc_s.1.dylib.
1298 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1300 * except.c (duplicate_eh_regions_1): Clear next_peer.
1302 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1304 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1305 -mlongcall does not guarantee all calls will be long.
1306 * doc/extend.texi (long_call/short_call): Document that longcall
1307 does not guarantee a long call will be used.
1308 (longcall/shortcall): Likewise.
1310 2006-07-18 Roger Sayle <roger@eyesopen.com>
1313 * expmed.c (expand_shift): Additionally check that the shift_cost
1314 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1315 before implementing a LSHIFT_EXPR as a sequence of additions.
1316 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1317 middle-end that DImode shifts need to be synthesized by expand.
1319 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1322 * tree-ssa-operands.c (access_can_touch_variable): Update
1324 Return true if ALIAS is .GLOBAL_VAR.
1326 2006-07-18 David Daney <ddaney@avtrex.com>
1328 * gcc.c (display_help): Fix typo in help text.
1330 2006-07-18 Olivier Hainque <hainque@adacore.com>
1332 * tree.h (categorize_ctor_elements): Adjust prototype and add
1333 descriptive comment, both in accordance with the interface change
1335 * varasm.c (constructor_static_from_elts_p): New function.
1336 Whether a constructor node is a valid static constant initializer
1337 if all its elements are.
1338 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1339 * output.h: Declare it.
1340 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1341 is a valid constant initializer instead of computing the number of
1342 non-constant elements. Use constructor_static_from_elts_p for this
1343 purpose. Replace the head comment with an indication that this is a
1344 helper for categorize_ctor_elements.
1345 (categorize_ctor_elements): Same interface change as for the _1
1346 helper. Former head comment from this helper moved here, adjusted to
1347 account for the interface changes.
1348 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1349 (all_zeros_p): Likewise.
1350 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1351 static versions of the constructor from the categorize_ctor_elements
1352 return value instead of the formerly computed number of non-constant
1355 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1357 * configure: Regenerate.
1358 * Makefile.in (build_libsubdir): New configure substitution
1359 (build_libobjdir): New variable.
1360 (BUILD_LIBIBERTY): Use it.
1362 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1365 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1367 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1370 * c-common.c (handle_weakref_attribute): Ignore attribute in
1371 the same conditions the alias attribute is ignored.
1373 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1375 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1376 (dbxout_begin_prologue): Increment scope_labelno.
1378 2006-07-17 Richard Henderson <rth@redhat.com>
1381 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1384 2006-07-17 Roger Sayle <roger@eyesopen.com>
1385 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1387 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1388 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1389 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1390 functions such as sbrk, write, etc.. Add function prototypes.
1391 Convert function declarations from K&R to ISO C. Cast pointers
1392 to "long" and "unsigned long" instead of "int" and "unsigned int".
1393 Convert tokens following #endif into comments.
1395 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1397 * invoke.texi: Remove mention of f77; Reformat table for
1398 inline parameter options correctly; mention that -malign-double
1399 is default on x86-64 targets.
1401 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1403 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1404 (convert_affine_scev, chrec_convert_aggressive): Use
1405 avoid_arithmetics_in_type_p. Do not check for the subtypes
1408 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1411 * optabs.c (expand_doubleword_shift): Wrap the call to
1412 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1414 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1417 * optabs.c (expand_binop): Pass next_methods rather than methods
1418 to expand_doubleword_shift.
1420 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1423 * tree.h (dump_addr): Declare.
1424 * print-tree.c (dump_addr): New function.
1425 (print_node_brief, print_node): Use it.
1426 * print-rtl.c (print_rtx): Likewise.
1427 * common.opt (-fdump-noaddr): New option.
1428 * doc/invoke.texi (-fdump-noaddr): Document.
1429 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1430 (ve_info_hash): Likewise.
1432 2006-07-13 Andrew Haley <aph@redhat.com>
1434 PR tree-optimization/19505
1435 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1436 edge leaving this block, make sure that the destination of this
1437 block has only one predecessor.
1439 2006-07-17 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/28238
1442 * tree-inline.c (copy_bb): Check if we produced valid
1443 gimple copying and substituting a stmt. If not, gimplify
1446 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1448 * optabs.c (maybe_encapsulate_block): New function extracted from...
1449 (emit_libcall_block): ...here. Invoke it on the block of insns to
1450 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1451 (emit_no_conflict_block): Likewise.
1453 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1455 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1457 2006-07-15 Roger Sayle <roger@eyesopen.com>
1459 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1460 a new NOP_EXPR case of the switch statement.
1462 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1465 * stor-layout.c (place_field): Take the bit field with
1466 an excessive size into account in the ms-bitfiled case.
1469 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1470 the previous bit field.
1472 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1475 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1477 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1479 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1480 signal frames correctly even when the signal was installed with
1483 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1485 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1486 (dbxout_function_end): Use local label LFBB. Remove hook
1488 (dbxout_source_line): Use local label LFBB.
1489 (dbxout_block): Likewise.
1490 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1491 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1492 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1493 and DBX_OUTPUT_NFUN.
1495 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1497 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1499 2006-07-13 Jan Hubicka <jh@suse.cz>
1501 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1503 * output.h (align_variable): Declare.
1504 * varasm.c (align_variable): Export.
1505 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1506 when basic block changed.
1508 2006-07-13 Nick Clifton <nickc@redhat.com>
1510 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1511 walking the LOG_LINKS chain.
1513 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1515 * doc/invoke.texi (C++ Dialect Options): Explain difference
1516 between -fvisibility-inlines-hidden and setting hidden
1517 visibility explicitly.
1519 2006-07-12 Eric Christopher <echristo@apple.com>
1521 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1522 (stmp-lipo): Depend on libgcc.a.
1524 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1526 * tree.c: Fix a comment typo.
1528 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1530 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1532 (umulhisi3_r): Likewise.
1534 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1537 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1538 x < 19, vs wchar_t support.
1540 2006-07-12 Nick Clifton <nickc@redhat.com>
1542 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1543 instead of -isa=sh4.
1545 2006-07-12 Mike Stump <mrs@apple.com>
1547 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1549 2006-07-10 Eric Christopher <echristo@apple.com>
1551 * config/t-slibgcc-darwin: Rewrite.
1553 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1556 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1559 2006-07-08 Matthias Klose <doko@debian.org>
1561 * doc/sourcebuild.texi: Fix typo.
1563 2006-07-07 Mike Stump <mrs@apple.com>
1565 * toplev.c (process_options): Don't give -ffunction-sections may
1566 affect debugging warning for Mach-O.
1568 2006-07-07 James E Wilson <wilson@specifix.com>
1570 * config/mips/mips.md (cpu): Add sb1a.
1571 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1572 addition to sb1. Adjust comments to clarify SB-1A differences from
1574 (ir_sb1a_load): New. Modify bypasses to use it.
1575 (ir_sb1a_simple_alu): Likewise.
1576 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1577 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1578 (mips_issue_rate): Add PROCESSOR_SB1A.
1579 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1580 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1581 (TARGET_SB1): Add PROCESSOR_SB1A check.
1582 (TUNE_SB1): Likewise.
1584 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1585 * config/mips/mips.c (mips_store_data_bypass_p): New.
1586 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1587 store_data_bypass_p.
1589 2006-07-08 Paul Brook <paul@codesourcery.com>
1592 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1594 2006-07-07 Richard Guenther <rguenther@suse.de>
1597 * tree.h (build_one_cst): Declare.
1598 * tree.c (build_one_cst): New function.
1599 * tree-ssa-math-opts.c (get_constant_one): Remove.
1600 (insert_reciprocals): Use build_one_cst.
1601 * fold-const.c (fold_plusminus_mult): Likewise.
1603 2006-07-07 Roger Sayle <roger@eyesopen.com>
1605 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1606 * cfgloopanal.c (dump_graph): Likewise.
1607 * dojump.c (discard_pending_stack_adjust): Likewise.
1608 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1610 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1611 * function.c (finalize_block_changes): Likewise.
1612 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1613 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1614 * rtl.c (dump_rtx_statistics): Likewise.
1615 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1617 * varray.c (dump_varray_statistics): Likewise.
1618 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1619 decode_decimal64, encode_decimal128, decode_decimal128,
1620 decimal_real_to_decimal): Likewise.
1622 2006-07-07 Richard Guenther <rguenther@suse.de>
1624 PR tree-optimization/28187
1625 * tree-vrp.c (vrp_operand_equal_p): New function.
1626 (vrp_bitmap_equal_p): Likewise.
1627 (update_value_range): Use them to compare old and new
1630 2006-07-06 Roger Sayle <roger@eyesopen.com>
1632 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1633 a default case to switch statement to silence compiler warnings.
1635 2006-07-06 Roger Sayle <roger@eyesopen.com>
1638 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1639 the configured assembler supports the x87's ffreep mnemonic.
1640 * configure: Regenerate.
1641 * config.in: Regenerate.
1643 * config/i386/i386.c (output_387_ffreep): New function.
1644 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1645 (output_387_reg_move): Likewise.
1647 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1649 Port to hosts whose 'sort' and 'tail' implementations
1650 treat operands with leading '+' as file names, as POSIX
1651 has required since 2001. However, make sure the code still
1652 works on pre-POSIX hosts.
1653 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1654 which says you should use "tail -c +N" rather than "tail +Nc".
1655 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1657 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1659 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1662 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1665 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1666 PRE_{INC,DEC} of TFmode.
1668 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1669 Alan Modra <amodra@bigpond.net.au>
1672 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1675 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1678 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1679 Remove duplicate gtu.
1681 2006-07-05 Jason Merrill <jason@redhat.com>
1685 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1686 * c-common.c (handle_packed_attribute): So don't copy it here.
1687 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1689 2006-07-05 Mike Stump <mrs@apple.com>
1691 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1693 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1696 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1698 2006-07-05 Richard Guenther <rguenther@suse.de>
1701 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1702 TARGET_SSE2 targets if using SSE math.
1703 (*absdf2_1): Likewise.
1705 2006-07-05 Richard Guenther <rguenther@suse.de>
1707 PR tree-optimization/28162
1708 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1709 make sure to convert the operands to the correct type.
1711 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1713 PR tree-optimization/28218
1715 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1716 to calculate and free the dominator information.
1718 2006-07-04 Peter O'Gorman <peter@pogma.com>
1720 * mklibgcc.in: chmod 644 before ranlib during install.
1722 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1723 J"orn Rennecke <joern.rennecke@st.com>
1725 * configure.ac (.eh_frame data check): Use diff -b.
1727 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1730 * Makefile.in (BUILD_RTL): Add build/vec.o.
1731 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1732 (build/genextract): Delete.
1733 (build/genautomata): Likewise.
1735 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1738 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1739 128-bit IBM long doubles for ABI_V4.
1741 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1743 * tree.c (range_in_array_bounds_p): New predicate.
1744 * tree.h (range_in_array_bounds_p): Declare it.
1745 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1746 return a less conservative answer.
1747 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1748 and flag 'is_group'.
1749 (IS_ELEMENT_FOR_GROUP): New macro.
1750 (FOR_EACH_ACTUAL_CHILD): Likewise.
1751 (next_child_for_group): New helper function.
1752 (can_completely_scalarize_p): Take into account groups.
1753 (sra_hash_tree): Handle RANGE_EXPR.
1754 (sra_elt_eq): Likewise.
1755 (lookup_element): Be prepared for handling groups.
1756 (is_valid_const_index): Delete.
1757 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1758 instead of is_valid_const_index.
1759 <ARRAY_RANGE_REF>: New case.
1760 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1761 is_valid_const_index.
1762 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1763 (scan_dump): Dump info for groups too.
1764 (decide_instantiation_1): Likewise.
1765 (decide_block_copy): Assert that the element is not a group.
1766 Propagate decision to groups.
1767 (generate_one_element_ref): Handle RANGE_EXPR.
1768 (mark_no_warning): Iterate over actual childs.
1769 (generate_copy_inout): Likewise.
1770 (generate_element_copy): Likewise.
1771 (generate_element_zero): Likewise.
1772 (generate_element_init_1): Likewise.
1773 (dump_sra_elt_name): Handle RANGE_EXPR.
1775 2006-07-03 Roger Sayle <roger@eyesopen.com>
1777 PR tree-optimization/26251
1778 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1779 (thread_block): When optimizing for size refuse to thread jumps
1780 that would require duplication of blocks other than redirection
1783 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1785 * configure.ac: Fix thinko in previous check-in.
1786 * configure: Regenerate.
1788 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1791 * configure.ac (for lang...): Simplify nesting of conditionals.
1792 Test subdir_requires for non-enabled languages. Move processing
1793 of lang_opt_files and lang_tree_fiels below that test.
1794 * configure: Regenerate.
1795 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1797 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1799 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1801 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1803 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1806 2006-06-29 Jason Merrill <jason@redhat.com>
1813 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1814 * c-common.c (c_determine_visibility): Handle it here.
1815 * c-decl.c (finish_decl): Call c_determine_visibility for
1817 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1819 * varasm.c (default_assemble_visibility): Likewise.
1820 * c-common.c (handle_visibility_attribute): Complain about trying
1821 to give visibility to an already defined class, or trying to change
1822 declared visibility. Always attach the attribute.
1827 * attribs.c (decl_attributes): Ignore type-in-place attributes
1828 once the type has been defined.
1830 2006-06-29 Roger Sayle <roger@eyesopen.com>
1833 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1834 to indicate the cpplib has issued an error message for us.
1836 2006-06-29 Asher Langton <langton2@llnl.gov>
1839 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1840 insert a label at the end of an function under Mach-O.
1842 2006-06-29 Eric Christopher <echristo@apple.com>
1843 Evan Cheng <evan.cheng@apple.com>
1845 * predicates.md (vector_all_ones_operand): New.
1846 (nonimmediate_or_sse_const_operand): Ditto.
1847 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1848 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1849 (standard_sse_mode_p): Ditto.
1850 (standard_sse_constant_p): Add case for -1 vector.
1851 (ix86_expand_vector_move): Try to use.
1852 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1853 Call standard_sse_constant_opcode.
1854 (*movv4sf_internal): Ditto.
1855 (*movv2df_internal): Ditto.
1857 2006-06-29 Roger Sayle <roger@eyesopen.com>
1859 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1860 of XEXP to extract the operands of a MATCH_CODE rtx.
1862 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1864 * tree.c (tree_size): Do not waste tail padding in
1865 struct tree_string and make the size be the same as
1866 build_string will generate.
1868 2006-06-28 Jason Merrill <jason@redhat.com>
1871 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1872 may_aliases already in the tag's annotations to the bitmap.
1874 2006-06-28 Roger Sayle <roger@eyesopen.com>
1876 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1878 2006-06-28 Roger Sayle <roger@eyesopen.com>
1880 * genpreds.c (generate_switch_p): New function.
1881 (add_mode_tests): Push the new mode test down inside an AND expr
1882 if this allows the switch-suitable MATCH_CODE to be near the root.
1883 (write_match_code_switch): New function to write a MATCH_CODE as
1885 (write_predicate_stmts): New function to write a predicate RTX
1886 expression as a sequence of statements.
1887 (write_one_predicate_function): Use write_predicate_stmts.
1888 (write_tm_constrs_h): Likewise.
1890 2006-06-26 Fred Fish <fnf@specifix.com>
1892 * config/mips/t-sb1: New file.
1893 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1896 2006-06-26 DJ Delorie <dj@redhat.com>
1898 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1900 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1901 Jayant Sonar <jayants@kpitcummins.com>
1902 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1904 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1905 (subsi3, subsi3_1, subsi3_2): New.
1906 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1907 * config/m32c/mov.md (SI mov peephole): New.
1908 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1909 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1911 2006-06-26 Olivier Hainque <hainque@adacore.com>
1913 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1914 a CALL_EXPR target function declaration.
1916 2006-06-26 Richard Guenther <rguenther@suse.de>
1918 * tree.c (build_string): Do not waste tail padding in
1921 2006-06-26 Richard Guenther <rguenther@suse.de>
1923 * ggc-page.c (init_ggc): Add missing element to size_lookup
1927 2006-06-23 Richard Guenther <rguenther@suse.de>
1929 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1930 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1931 alignment requests instead. Add verification code.
1932 Add struct tree_function_decl and struct tree_binfo size to
1933 extra_order_size_table. Add missing element to size_lookup
1936 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1939 * fold-const.c (const_binop): Be prepared for self returning zero.
1940 Simplify code handling complex values.
1942 2006-06-24 Olivier Hainque <hainque@adacore.com>
1944 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1945 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1948 2006-06-24 Olivier Hainque <hainque@adacore.com>
1950 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1951 ARRAY_REF, so have the callback called for the low bound expression.
1953 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1955 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1956 * c-typeck.c (c_common_type): Disallow operations on decimal float
1957 types and other float types.
1958 * convert.c (convert_to_real): Don't ignore conversions involving
1959 decimal float types.
1961 2006-06-23 Olivier Hainque <hainque@adacore.com>
1963 * tree.c (max_int_size_in_bytes): New function, inspired from
1964 code in function.c:assign_temp.
1965 * tree.h (max_int_size_in_bytes): Declare.
1966 * function.c (assign_temp): Use it.
1967 * gimplify.c (create_tmp_var): Relax the assertions on the type
1968 properties, not mandating constant size any more.
1969 (force_constant_size): New static function.
1970 (gimple_add_tmp_var): Use it, forcing variable size to a
1971 constant upper bound if it is not constant on entry.
1973 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1976 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1977 for initialization and setting of one_only flag to ...
1978 (i386_pe_encode_section_info): ...here.
1979 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1980 Recheck that the symbol has not been defined.
1982 2006-06-23 Richard Guenther <rguenther@suse.de>
1984 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1985 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1986 alignment requests instead. Add verification code.
1987 Add struct tree_function_decl and struct tree_binfo size to
1988 extra_order_size_table. Add missing element to size_lookup
1991 2006-06-22 Roger Sayle <roger@eyesopen.com>
1992 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1995 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1996 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1998 2006-06-23 Ben Elliston <bje@au.ibm.com>
2000 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2001 negate dn -- manipulate it directly.
2003 2006-06-22 Roger Sayle <roger@eyesopen.com>
2004 Steven Bosscher <stevenb.gcc@gmail.com>
2007 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2008 generated by gen_move_insn to add REG_LABEL notes if necessary.
2010 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2012 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2013 (leaf_entry): Remove use of MIN_ESA.
2015 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2017 PR rtl-optimization/28121
2018 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2021 2006-06-21 DJ Delorie <dj@redhat.com>
2023 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2025 (mulhisi3_r): Likewise.
2027 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2030 * coverage.c (coverage_counter_alloc): Leave the index type
2032 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2035 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2037 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2038 section from the "Options for Code Generation Conventions".
2040 2006-06-21 Richard Henderson <rth@redhat.com>
2044 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2046 (global_symbolic_operand): Allow weak symbols, even if local_p.
2048 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2050 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2051 (find_interesting_uses_address): Punt if above function returns true.
2053 2006-06-21 Richard Guenther <rguenther@suse.de>
2055 * configure: Regenerated.
2057 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2059 * config/mips/mips.c (function_arg): Where one part of a
2060 complex argument is in registers and the other part in the stack,
2061 return a REG not a PARALLEL.
2063 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2065 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2066 when cross-compiling. Do not substitute libstdcxx_incdir.
2067 * configure: Regenerated.
2069 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2071 * varasm.c (mergeable_string_section): Check for embedded NULs and
2072 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2073 rather than TREE_STRING_LENGTH bytes.
2075 2006-06-21 Richard Guenther <rguenther@suse.de>
2077 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2078 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2081 2006-06-21 Richrad Guenther <rguenther@suse.de>
2083 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2084 Limit iteration over the dominators.
2086 2006-06-20 Roger Sayle <roger@eyesopen.com>
2088 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2089 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2091 2006-06-20 Richard Guenther <rguenther@suse.de>
2092 Michael Matz <matz@suse.de>
2094 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2096 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2097 * et-forest.h (et_free_pools): Prototype new function.
2098 * et-forest.c (et_free_tree_force): Free parent occurrence.
2099 (et_free_pools): New function.
2100 * dominance.c (free_dominance_info): Free et-forest alloc
2103 2006-06-20 Roger Sayle <roger@eyesopen.com>
2105 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2106 integer modes, attempt to directly construct an integer constant.
2108 * fold-const.c (native_encode_vector): Determine the size of each
2109 element from the vector type instead of the first vector element.
2111 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2112 if all of its elements/components are constant.
2113 (build_constructor_from_list): Likewise.
2115 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2117 PR tree-optimization/27331
2118 * tree-data-ref.c (free_data_ref): New function.
2119 (create_data_ref): Fail if the data reference has unknown access
2121 (free_data_refs): Use free_data_ref.
2123 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2126 * tree-inline.c (setup_one_parameter): Strip useless
2127 type conversion before adding it to the IR.
2128 (declare_return_variable): Likewise.
2130 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2133 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2135 2006-06-19 Mike Stump <mrs@apple.com>
2137 * tree.c (variably_modified_type_p): VM arguments don't make the
2140 2006-06-19 Richard Guenther <rguenther@suse.de>
2142 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2143 type conversions after folding.
2145 2006-06-19 Richard Guenther <rguenther@suse.de>
2147 * ggc-page.c (extra_order_size_tab): Add entries with
2148 size of struct function and basic_block.
2149 (size_lookup): Extend to cover sizes up to 511.
2150 (ggc_alloc_stat): Adjust user.
2151 (ggc_pch_count_object): Likewise.
2152 (ggc_pch_alloc_object): Likewise.
2153 (ggc_pch_write_object): Likewise.
2155 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2157 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2158 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2161 2006-06-19 Denis Chertykov <denisc@overta.ru>
2163 * config/avr/libgcc.S : Correct my wrong previous commit.
2165 2006-06-19 Roger Sayle <roger@eyesopen.com>
2168 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2169 have stripped a SUBREG from the shift count, so we may need to
2170 convert_to_mode back to the type's mode before calling make_tree.
2171 Use new_amount instead of amount to avoid expanding a tree twice.
2173 2006-06-19 Richard Guenther <rguenther@suse.de>
2176 * fold-const.c (operand_equal_p): Check if the argument types
2177 have the same precision before stripping NOPs.
2179 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2181 Fix PR tree-optimization/27341
2182 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2184 * tree-complex.c (pass_lower_complex): Update SMT usage.
2186 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2188 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2189 Add a new alternative to the constraint strings. Add move of
2190 operand 1 to 3 to the splitter definition.
2191 ("doloop_si_long"): Second contraint alternative removed.
2193 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2195 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2196 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2198 (AVR_HAVE_MOVW) Define.
2199 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2200 (ASM_SPEC): Add avr25.
2201 (LINK_SPEC): Add avr25.
2202 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2203 (base_arch_s): Add new member 'have_movw_lpmx'.
2204 (avr_arch_types): Init 'have_movw_lpmx'.
2205 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2206 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2207 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2208 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2209 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2211 (avr_file_start): Do not output '.arh' derective.
2212 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2213 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2214 * config/avr/avr.md (mcu_enhanced): Delete.
2215 (mcu_have_movw): Define.
2216 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2217 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2218 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2219 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2220 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2221 attiny861 and at86rf401 devices.
2223 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2225 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2228 2006-06-17 Karl Berry <karl@gnu.org>
2230 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2231 doc/gccint.texi, doc/install.texi (@dircategory): Use
2232 "Software development" instead of "Programming", following
2233 the Free Software Directory.
2235 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2237 * config/i386/i386.c (legitimate_tls_address)
2238 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2239 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2240 (*tls_dynamic_gnu2_combine_64): Likewise.
2242 2006-06-16 Richard Guenther <rguenther@suse.de>
2245 * fold-const.c (negate_expr_p): Do not introduce undefined
2246 overflow in negating INTEGER_CSTs.
2247 (fold_negate_expr): Rename from negate_expr. Revert last
2248 change for folding BIT_NOT_EXPR. Change semantics to
2249 return NULL_TREE for non-simplified negations. Do not
2250 strip type conversions and unify type handling.
2251 (negate_expr): New function, wrap around fold_negate_expr
2252 but ensure building a tree always. Strip type conversions
2253 here, fold to result type.
2254 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2256 2006-06-16 Roger Sayle <roger@eyesopen.com>
2259 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2260 that (would) return their results in stack registers.
2262 2006-06-16 Michael Matz <matz@suse.de>
2263 Richard Guenther <rguenther@suse.de>
2265 * fold-const.c (fold_truthop): Only return new tree node if
2266 we canonicalized something.
2268 2006-06-16 Richard Guenther <rguenther@suse.de>
2270 * function.h (enum function_frequency): Move declaration
2271 out of struct function.
2272 (struct function): Move bool fields and the enum to the bitfield
2273 section. Reorder elements to avoid padding. Remove unused
2274 fields left over from the RTL inliner removal.
2275 * function.c (free_after_compilation): Do not zero removed fields.
2276 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2277 (ipa-type-escape.o): Likewise.
2279 2006-06-16 Richard Guenther <rguenther@suse.de>
2281 * cgraph.h (struct cgraph_local_info): Turn bool elements
2283 (struct cgraph_node): Likewise.
2284 (struct cgraph_varpool_node): Likewise.
2286 2006-06-15 Richard Guenther <rguenther@suse.de>
2288 * fold-const.c (fold_truth_not_expr): Rename from
2289 invert_truthvalue. Give it fold_* semantics to avoid
2291 (invert_truthvalue): New function. Wrapper around
2292 fold_truth_not_expr.
2293 (optimize_minmax_comparison): Avoid creating garbage.
2294 (fold_unary): Use fold_truth_not_expr for folding
2296 (fold_ternary): Replace uses of invert_truthvalue with
2297 fold_truth_not_expr where applicable.
2298 * tree.h (fold_truth_not_expr): Prototype.
2300 2006-06-16 Richard Guenther <rguenther@suse.de>
2302 PR tree-optimization/27781
2303 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2304 * ipa-pure-const.c (target.h): Include.
2305 (analyze_function): Do not analyze functions that do not
2308 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2311 * tree-dfa.c (referenced_vars_dup_list): Remove.
2312 (find_referenced_vars): Remove assert.
2313 (referenced_var_check_and_insert): Replace dup list with assert.
2314 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2315 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2317 2006-06-15 Richard Guenther <rguenther@suse.de>
2319 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2320 extra unused identifiers if not dumping.
2321 (create_variable_info_for): Likewise.
2323 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2325 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2326 (derive_constant_upper_bound): Derive more precise upper bound in
2327 common cases. Return type changed to double_int.
2328 (record_estimate): Reflect the changed return type of
2329 derive_constant_upper_bound.
2330 * double-int.c (double_int_zext, double_int_sext): Fix.
2332 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2334 * configure.ac (CFLAGS): Get them from the toplevel or from the
2335 configure invocation.
2336 * configure: Regenerate.
2337 * Makefile.in (CFLAGS): Substitute value provided by configure.
2339 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2342 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2343 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2344 rather than calling add_stmt on it.
2345 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2347 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2350 * reload1.c (reload): Remove registers returned by update_eliminables
2351 from used_spill_regs.
2353 2006-06-13 DJ Delorie <dj@redhat.com>
2355 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2357 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2359 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2360 html__strip_dir, html__mkdir_p. Enhance install-html target.
2361 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2362 * configure: Regenerate.
2364 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2366 * fold-const.c (fold_cond_expr_with_comparison): Check for
2367 Objective-C++ as language in deciding COND_EXPR transformation.
2369 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2372 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2373 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2374 * config/sh/lib1funcs.h (SL, SL1): Define.
2375 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2376 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2377 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2378 (OBJS_Os_4_200): New variable.
2379 ($(T)libgcc-Os-4-200.a): Use it.
2380 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2381 when dividing 1 and/or by 0.
2383 2006-06-13 Roger Sayle <roger@eyesopen.com>
2385 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2386 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2387 * configure: Regenerate.
2389 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2391 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2392 for real instruction.
2394 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2397 * haifa-sched.c (check_cfg): Handle special case.
2399 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2402 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2403 Add debug_info parameter. Chain the vars to the BLOCK instead
2404 of the BIND_EXPR if debug info are requested for them.
2405 (pop_gimplify_context): Adjust for above change.
2406 (gimple_add_tmp_var): Likewise.
2407 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2409 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2410 (convert_local_reference): Likewise.
2411 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2412 (finalize_nesting_tree_1): Request that debug info be emitted
2413 for debug_var_chain.
2415 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2417 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2418 for PR target/27863.
2420 2006-06-13 Richard Guenther <rguenther@suse.de>
2423 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2425 2006-06-13 Richard Guenther <rguenther@suse.de>
2427 PR tree-optimization/27830
2428 * tree-inline.c (copy_body_r): For copying the operand
2429 of an ADDR_EXPR make sure to fold &* afterwards.
2431 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2433 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2434 lvalues in the fb_none case with side-effects.
2436 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2438 * tree-flow.h: Remove the prototype for
2439 compute_phi_arg_on_exit.
2440 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2441 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2444 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2446 * builtins.c (expand_builtin_return_addr): Only use
2447 frame_pointer_rtx when count == 0 and we are expanding
2448 __builtin_return_address.
2450 2006-06-12 Fred Fish <fnf@specifix.com>
2452 * config/mips/mips.c (mips_file_start): Create special section
2453 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2455 2006-06-11 Eric Christopher <echristo@apple.com>
2458 * stor-layout.c (place_field): Remove check for
2459 remaining_in_alignment when aligning at the end of a run.
2461 2006-06-11 Eric Christopher <echristo@apple.com>
2464 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2467 2006-06-11 Roger Sayle <roger@eyesopen.com>
2470 Revert incorrect fix for PR target/27158
2471 2006-05-08 Roger Sayle <roger@eyesopen.com>
2472 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2473 of a reg_equiv_constant if the result is a legitimate constant.
2475 2006-06-11 Roger Sayle <roger@eyesopen.com>
2478 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2479 extract a CONST_VECTOR element and interpret it as an integer.
2480 (vspltis_constant): Use const_vector_elt_as_int instead of the
2481 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2482 * config/rs6000/predicates.md (easy_vector_const): Consider
2483 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2485 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2488 * stor-layout.c (update_alignment_for_field): Don't add extra
2489 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2492 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2494 * config/mips/t-rtems: Add EL/EB multilib variants.
2496 2006-06-09 Mike Stump <mrs@apple.com>
2498 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2500 2006-06-09 David Daney <ddaney@avtrex.com>
2502 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2504 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2506 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2508 2006-06-09 Richard Guenther <rguenther@suse.de>
2510 PR tree-optimization/26998
2511 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2512 of signed types, only TYPE_MIN_VALUE is special, but for both,
2513 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2514 in this case, as is -fwrapv.
2516 2006-06-08 Mike Stump <mrs@apple.com>
2519 * config/darwin.c (darwin_asm_output_anchor): Disable
2520 -fsection-anchors on darwin for now.
2521 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2522 * rs6000/rs6000.c (optimization_options): Likewise.
2524 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2527 * config/i386/i386.c (classify_argument): Skip fields with invalid
2530 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2532 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2533 (cse_insn): Likewise for the stack_pointer_rtx.
2535 2006-06-08 Roger Sayle <roger@eyesopen.com>
2537 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2538 conditions from floating point comparisons.
2540 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2543 * expmed.c (struct alg_hash_entry): Fix type of field T
2544 to match synth_mult argument.
2545 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2547 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2550 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2553 2006-06-08 Richard Guenther <rguenther@suse.de>
2556 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2557 only, if overflow is defined and not trapping.
2558 (negate_expr): Likewise.
2560 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2562 PR tree-optimization/27872
2563 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2564 flag on the new exit edge of the unrolled loop.
2566 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2568 PR rtl-optimization/26449
2569 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2571 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2574 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2575 referenced_variables with matching DECL_UID's.
2576 (find_referenced_vars): Make sure duplicate list is empty to start.
2577 (referenced_var_p): Remove.
2578 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2579 Check if var is in the list, and add if needed. Update the duplicate
2580 list if a different var is in the list with the same DECL_UID.
2581 (add_referenced_var): Call routine to check and insert.
2582 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2583 * tree-flow.h (referenced_vars_dup_list): External declaration.
2585 2006-06-07 Fred Fish <fnf@specifix.com>
2587 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2590 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2593 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2594 the imaginary and real parts of a clobbered register.
2595 Emit insn to set the imaginary part.
2597 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2599 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2600 in lieu of unwind-dw2-fde.c.
2602 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2604 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2606 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2609 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2610 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2611 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2612 V4SImode temporaries and operations instead.
2614 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2616 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2619 2006-06-06 Mike Stump <mrs@apple.com>
2621 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2622 installing during build.
2624 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2626 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2628 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2629 * config/ia64/ia64.c (params.h): New header.
2630 (ia64_optimization_options): New function to adjust parameters.
2631 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2632 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2633 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2635 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2637 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2639 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2642 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2644 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2645 Victor Kaplansky <victork@il.ibm.com>
2647 PR tree-optimization/26360
2648 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2651 2006-06-04 Roger Sayle <roger@eyesopen.com>
2652 Andrew Pinski <pinskia@physics.uc.edu>
2655 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2656 for LABEL_DECL before calling DECL_WEAK.
2659 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2660 LABEL_DECL and PARM_DECL.
2662 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2666 * c-decl.c (grokdeclarator): Disallow variably modified types at
2667 file scope. Avoid marking shared array type of constant size as
2670 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2673 * c-common.c (fold_offsetof_1): Handle static members.
2675 2006-06-04 Eric Christopher <echristo@apple.com>
2677 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2678 (debug_rli): Output value for remaining_in_alignment.
2679 (update_alignment_for_field): Unconditionalize
2680 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2681 extra alignment code.
2682 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2683 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2684 * tree.h (record_layout_info_s): Remove prev_packed.
2685 * doc/extend.texi (ms_struct): Add documentation of format.
2687 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2689 * tree.h: Declare folding_initializer.
2690 * builtins.c (fold_builtin_constant_p): Give definite answer
2691 if folding inside an initializer.
2692 * fold-const.c: Define folding_initializer.
2693 (START_FOLD_INIT): Save and then set folding_initializer.
2694 (END_FOLD_INIT): Restore folding_initializer.
2696 2006-06-04 Richard Guenther <rguenther@suse.de>
2698 PR tree-optimization/27039
2699 * fold-const.c (fold_comparison): Handle pointer comparison
2700 again for all comparison codes. Compare offsets in signed
2702 (fold_binary): Move code from here.
2704 2006-06-03 Roger Sayle <roger@eyesopen.com>
2707 * config/i386/i386.c (construct_container): Split static issued_error
2708 flag into issued_sse_arg_error, issued_sse_ret_error and
2709 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2710 requires the use of x87 registers and the user explicitly
2711 specified the -mno-80387 command line option.
2713 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2715 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2716 HAVE_DECL_SIGALTSTACK.
2718 (segv_handler): Use MC_FLD.
2719 * configure.ac: Check for a sigaltstack declaration.
2720 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2721 * configure: Regenerate.
2722 * config.in: Regenerate.
2724 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2727 * Makefile.in (stmp-fixinc): Fix typo.
2729 2006-06-02 Roger Sayle <roger@eyesopen.com>
2731 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2732 are type correct. Clean-up.
2733 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2734 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2736 2006-06-01 DJ Delorie <dj@redhat.com>
2738 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2739 shift, as we've disabled the "switch" insn that needs it.
2741 2006-06-01 Per Bothner <bothner@bothner.com>
2743 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2744 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2745 * c-ppoutput.c (cb_define): Don't increment line 0.
2747 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2749 * doc/invoke.texi: Add cpu_type power6.
2750 * config.gcc: Add cpu_type power6.
2751 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2752 to power5+ with Altivec.
2753 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2754 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2756 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2758 * config/avr/avr.h (SET_ASM_OP): Define.
2760 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2762 * config/bfin/bfin.c: Fix comment typos.
2764 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2767 * doc/install.texi: Document --enable-bootstrap and
2768 --disable-bootstrap.
2770 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2772 * doc/install.texi: Document that InfoZIP can replace jar.
2774 2006-05-31 Roger Sayle <roger@eyesopen.com>
2776 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2777 isn't available, directly generate the simpler x87 patterns without
2778 the (use (const_int 0)).
2779 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2780 implementation isn't available.
2781 (*negdf2_1): Likewise.
2782 (*negxf2_1): XF mode negation is always done using the x87.
2783 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2785 2006-05-31 Roger Sayle <roger@eyesopen.com>
2787 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2788 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2790 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2792 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2794 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2795 * config/bfin/bfin.c (basic-block.h): Include.
2796 (struct machine_function): New.
2797 (bfin_init_machine_status): New.
2798 (override_options): Initialize init_machine_status.
2799 (bfin_hardware_loop): New.
2800 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2801 (DEF_VEC_P (loop_info)): New.
2802 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2803 (struct loop_info): New.
2804 (loop_info): New typedef.
2805 (struct loop_work): New.
2806 (loop_work): New typedef.
2807 (DEF_VEC_O (loop_work)): New.
2808 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2809 (bfin_dump_loops): New.
2810 (bfin_bb_in_loop): New.
2811 (bfin_scan_loop): New.
2812 (bfin_optimize_loop): New.
2813 (bfin_reorg_loops): New.
2814 (bfin_reorg): Use bfin_reorg_loops.
2815 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2817 (I_REGNO_P): Simplify.
2818 (DP_REGNO_P, DPREG_P): New macros.
2819 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2820 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2821 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2822 Add LT_REGS, LC_REGS, LB_REGS.
2823 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2825 (REGNO_REG_CLASS): Deal with loop registers.
2826 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2828 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2829 New constants for loop registers.
2830 (UNSPEC_LSETUP_END): New.
2831 (seq_insns): New define_attr. Set it for appropriate insns.
2832 (movsi_insn): Add alternatives for move from/to
2833 loop count registers.
2834 (doloop_end): New define_expand.
2835 (loop_end): New define_insn.
2836 (define_split for bad doloop_end): New.
2837 (lsetup_with_autoinit): New define_insn.
2838 (lsetup_without_autoinit): New define_insn.
2839 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2840 * config/bfin/predicates.md (lc_register_operand): New.
2841 (lt_register_operand): New.
2842 (lb_register_operand): New.
2843 (nondp_register_operand): New.
2844 (nondp_reg_or_memory_operand): New.
2845 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2847 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2849 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2850 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2852 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2854 * Makefile.in (CATALOGS): Add po/ prefix.
2855 * configure: Regenerated.
2857 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2860 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2861 a shift operand before calling shift_op. Avoid redundant call of
2864 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2865 DJ Delorie <dj@redhat.com>
2867 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2868 we're inserting is a singlt-bit constant.
2870 2006-05-30 Roger Sayle <roger@eyesopen.com>
2872 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2873 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2875 2006-05-30 Roger Sayle <roger@eyesopen.com>
2877 PR tree-optimization/23452
2878 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2879 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2880 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2881 complex values and with -ffast-math for FP complex values.
2883 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2885 * c-common.h: Remove the prototype for yyparse.
2886 * rtl.h: Remove the prototype for init_loop.
2888 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2890 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2893 2006-05-30 Roger Sayle <roger@eyesopen.com>
2895 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2897 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2898 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2900 2006-05-30 Dirk Mueller <dmueller@suse.de>
2903 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2904 for CONSTANT_CLASS_P expresisons.
2906 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2909 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2911 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2913 PR tree-optimization/27779
2914 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2915 initial_condition instead of CHREC_LEFT.
2917 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2919 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2920 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2921 Make prototypes ISO C90.
2923 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2924 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2926 * see.c (see_analyze_one_def): Correct check.
2927 (see_get_extension_data): Check if extension is parallel.
2928 (see_get_extension_reg): Likewise.
2930 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2933 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2934 into register for (code == GTU).
2936 2006-05-29 Roger Sayle <roger@eyesopen.com>
2938 PR tree-optimization/24964
2939 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2940 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2941 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2942 abs(x)*abs(x) as x*x for scalar floating point modes.
2944 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2947 * lambda-code.c (perfect_nestify): Don't copy statements
2948 in the inner loop: move them to the inner loop header.
2950 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2953 * c-tree.texi: Document OpenMP directives and clauses.
2955 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2957 * varasm.c (globalize_decl): Fix indentation.
2959 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2962 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2963 pass_fre, pass_store_ccp, pass_copy_prop,
2964 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2965 pass_return_slot, pass_object_size, pass_lim,
2966 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2967 pass_loop_prefetch and pass_stdarg.
2969 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2971 * config/bfin/bfin.opt (mfdpic): New option.
2972 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2973 (EXTRA_MULTILIB_PARTS): Likewise.
2974 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2975 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2977 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2978 (CRT_CALL_STATIC_FUNCTION): New.
2979 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2981 (CRT_CALL_STATIC_FUNCTION): New.
2982 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2984 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2985 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2986 (initialize_trampoline): Changed to handle FD-PIC code generation.
2987 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2988 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2989 (override_options): Disallow -mid-shared-library -mfdpic combination.
2990 Can't do unaligned ops if FD-PIC.
2991 Turn off flag_pic if trying to generate non-id-shared-library
2992 non-fdpic code, since it's not supported.
2993 (bfin_assemble_integer): New function.
2994 (TARGET_ASM_INTEGER): Define.
2995 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2997 * config/bfin/crtn.s: Restore them.
2998 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3000 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3001 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3002 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3003 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3004 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3006 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3007 FDPIC_REGS and FDPIC_FPTR_REGS.
3008 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3009 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3010 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3011 (load_funcdescsi): New pattern.
3012 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3013 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3014 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3016 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3018 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3021 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3023 * tree-flow.h: Remove the prototype for add_type_alias.
3024 * tree-ssa-alias.c (add_type_alias): Remove.
3026 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3028 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3029 config/fr30/fr30.md, config/i386/i386-interix.h,
3030 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3031 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3032 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3033 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3034 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3035 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3036 Follow spelling conventions.
3037 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3038 Follow spelling conventions.
3040 2006-05-27 Richard Guenther <rguenther@suse.de>
3043 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3044 to produce a constant of value 1 of generic type.
3046 2006-05-27 Dirk Mueller <dmueller@suse.de>
3048 * cgraphunit.c (decide_is_function_needed): Fix wrong
3051 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3053 PR rtl-optimization/27661
3054 * reload.c (find_reloads): When reloading a VOIDmode constant
3055 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3056 use Pmode as mode of the reload register.
3058 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3060 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3061 is enabled at -O and above.
3063 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3066 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3069 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3072 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3073 for anonymous variables explicitly declared by front ends.
3075 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3077 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3078 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3079 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3080 ref-all pointers, run a finalization pass for them.
3081 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3082 (finalize_ref_all_pointers): New function.
3083 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3084 regular pointer type to a ref-all pointer type.
3085 (get_tmt_for): Return the special memory tag for ref-all pointers.
3087 2006-05-25 Richard Guenther <rguenther@suse.de>
3090 * fold-const.c (fold_binary): Do not look at the stripped
3091 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3093 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3095 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3096 for LT and GT if the computed range is effectively empty.
3098 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3101 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3102 mips_quad_format formats instead of ieee_single_format,
3103 ieee_double_format and ieee_quad_format formats, respectively.
3105 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3107 PR tree-optimization/27639
3108 PR tree-optimization/26719
3109 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3110 call to scev_probably_wraps_p.
3111 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3112 used_in_pointer_arithmetic_p, convert_step): Removed.
3113 (nowrap_type_p): New function.
3114 (scev_probably_wraps_p): Rewritten.
3115 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3116 chrec_convert if chrec_convert_aggressive might have been used.
3117 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3118 scev_direction): New functions.
3119 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3120 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3121 instead of convert_step.
3122 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3123 (convert_step): Declaration removed.
3124 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3126 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3128 * df-core.c: Added to header comments.
3129 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3130 df_ur_bb_info, df_urec_bb_info): Added comments.
3131 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3132 urec, ri problems): Fixed header comments.
3133 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3134 code from df_rd_transfer_function.
3136 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3138 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3139 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3140 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3142 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3144 * expr.c (undefined_operand_subword_p): New.
3145 (emit_move_multi_word): Do not generate move from undefined bits
3146 of a paradoxical subreg.
3148 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3150 PR rtl-optimization/27736
3151 * combine.c (replaced_rhs_value): New variable.
3152 (combine_instructions): Set it.
3153 (distribute_notes): When distributing a note in replaced_rhs_insn,
3154 check whether the value was used in replaced_rhs_value.
3156 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3159 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3160 add_referenced_var instead of add_referenced_tmp_var.
3161 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3162 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3164 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3165 tree_optimize_tail_calls_1): Use add_referenced_var.
3166 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3167 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3168 Use add_referenced_var.
3169 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3170 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3171 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3172 Use add_referenced_var.
3173 * tree-dfa.c (struct walk_state): Remove.
3174 (find_referenced_vars): Remove walk state and vars_found hash table.
3175 (make_rename_temp): Use add_referenced_var.
3176 (find_vars_r): Pass less parameters to add_referenced_var.
3177 (referenced_var_p): New. Is var in referenced_var hash table.
3178 (referenced_var_insert): Assert var isn't already in hash table.
3179 (add_referenced_var): Don't need walk_state parameter. Add var if it
3180 isn't already in the hash table.
3181 (add_referenced_tmp_var): Remove.
3182 (find_new_referenced_vars_1): Use add_referenced_var.
3183 * tree-ssa-pre.c (create_expression_by_pieces,
3184 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3185 Use add_referenced_var.
3186 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3187 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3188 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3190 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3191 vect_create_data_ref_ptr, vect_create_destination_var,
3192 vect_init_vector, vect_build_loop_niters,
3193 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3194 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3195 Use add_referenced_var.
3196 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3197 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3198 (add_referenced_var): Add prototype.
3199 * tree-ssa-structalias.c (get_constraint_for,
3200 intra_create_variable_infos): Use add_referenced_var.
3202 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3204 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3205 big-endian paradoxical subregs.
3206 * var-tracking.c (struct micro_operation_def): Document that,
3207 for modify micro operations, insn is the subsequent instruction.
3208 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3209 (var_reg_set, var_mem_set): ... new functions.
3210 (add_stores): Record subsequent insn.
3211 (compute_bb_dataflow): Use new functions for MO_USE.
3212 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3213 notes after the insn, and modify notes before the insn known
3214 to be the subsequent one.
3215 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3217 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3220 * config/i386/i386.c (ix86_expand_builtin): Use
3221 gen_sse3_monitor64 for TARGET_64BIT.
3223 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3225 PR rtl-optimization/26375
3226 PR rtl-optimization/26855
3227 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3229 (df_ru_bb_local_compute): Reversed statements and removed bogus
3230 comment explaining why they should be in wrong order.
3231 (df_ru_dump, df_rd_dump): Enhanced debug info.
3232 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3234 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3235 reaching uses and fixed space problem.
3237 2006-05-23 Jan Hubicka <jh@suse.cz>
3239 * cgraphunit.c (decide_is_function_needed): Also nested functions
3240 and functions declared inline can be optimized out at -O0.
3242 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3244 * doc/install.texi (Configuration): Remove reference to CrossGCC
3248 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3251 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3252 ix86_compare_emitted is non-NULL.
3254 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3257 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3260 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3262 PR rtl-optimization/25514
3263 * combine.c (replaced_rhs_insn): New variable.
3264 (combine_instructions): Set replaced_rhs_insn when trying to replace
3265 a SET_SRC with a REG_EQUAL note.
3266 (distribute_notes): Use replaced_rhs_insn when determining the live
3267 range of a REG_DEAD register.
3269 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3270 Anatoly Sokolov <aesok@post.ru>
3272 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3273 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3274 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3275 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3276 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3277 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3278 at90usb647, at90usb1286 and at90usb1287 devices.
3279 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3280 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3282 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3284 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3286 2006-05-22 Richard Guenther <rguenther@suse.de>
3289 2006-01-31 Richard Guenther <rguenther@suse.de>
3290 Paolo Bonzini <bonzini@gnu.org>
3292 * doc/install.texi (--disable-libgcc-math): Document.
3294 2006-05-22 Richard Guenther <rguenther@suse.de>
3297 2006-01-31 Richard Guenther <rguenther@suse.de>
3299 * doc/invoke.texi (-msselibm): Document.
3300 * target.h (expand_library_builtin): New target hook.
3301 * builtins.c (expand_builtin): Use expand_library_builtin.
3302 (default_expand_library_builtin): New function.
3303 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3304 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3305 (link_gcc_math_spec): Declare.
3306 (static_specs): Add link_gcc_math_spec.
3307 * expr.h (default_expand_library_builtin): Declare.
3308 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3309 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3310 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3311 * config/i386/i386.opt (msselibm): New target option.
3312 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3313 (ix86_init_sse_abi_builtins): New function.
3314 (ix86_expand_library_builtin): Likewise.
3315 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3316 (override_options): Handle error conditions wrt -msselibm.
3317 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3318 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3319 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3322 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3325 * c-common.c (self_promoting_args_p): Skip erroneous args.
3328 * c-decl.c (finish_struct): Skip erroneous fields.
3330 2006-05-22 Nick Clifton <nickc@redhat.com>
3332 * config/cris/cris.opt (march): Remove VarExists attribute.
3333 (max-stackframe=): Likewise.
3335 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3337 * doc/rtl.texi: Fix a typo.
3338 * see.c: Fix comment typos.
3340 * tree-ssa-structalias.h (alias_info): Remove num_references.
3342 2006-05-21 Mike Stump <mrs@apple.com>
3344 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3346 (darwin_pragma_options): Use BAD instead.
3347 (darwin_pragma_unused): Likewise.
3348 (darwin_pragma_ms_struct): Likewise.
3350 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3352 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3354 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3356 PR rtl-optimization/27671
3357 * simplify-rtx.c (simplify_relational_operation_1): Fix
3358 simplifications of (eq/ne (xor x y) y) and
3359 (eq/ne (xor x y) x).
3361 PR tree-optimization/26622.
3362 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3365 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3367 * tree-cfg.c: Prune whitespace.
3368 (debug_tree_cfg): Point to correct header containing the
3371 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3374 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3376 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3379 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3380 or sorry count is non zero.
3382 2006-05-20 Andreas Schwab <schwab@suse.de>
3384 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3386 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3387 Kenneth Zadeck <zadeck@naturalbridge.com>
3389 PR rtl-optimization/26855
3391 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3393 (df_scan_alloc): Added code to properly handle multiword hard
3394 registers and add all_blocks parameter.
3395 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3396 code to properly handle multiword hard registers.
3397 (df_rescan_blocks): Added code to remove deleted blocks from
3399 (df_ref_create_structure, df_ref_record): Added code to properly
3401 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3402 and set DF_REF_PARTIAL.
3403 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3404 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3405 (df_scan_add_problem): Added flags parameter.
3406 (df_ref_create_structure): Changed switching structure.
3407 (df_bb_refs_record): Fixed case where duplicate artificial refs
3408 were created. Changed location of flags.
3409 (df_record_entry_block_defs): Added code to make stack pointer
3410 live in entry block. Refined cases where frame pointer is needed.
3411 Changed location of flags.
3412 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3413 (df_set_state): Removed function.
3414 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3415 df_insn_create_insn_record, df_insn_refs_delete,
3416 df_ref_create_structure): Formatting changes.
3417 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3418 df_delete_basic_block): New function.
3419 (df_init): Changed location of flags.
3420 (df_add_problem): Added flags parameter and the way flags are
3422 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3423 debug_df_chain): Improved debugging output.
3424 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3425 (df_refs_chain_dump): Removed df parameter.
3426 (df_iterative_dataflow): Added consistency check.
3427 (df_prune_to_subcfg): Made public.
3428 (df_analyze_problem): Added blocks_to_init parameter and made
3430 (df_ref_record, df_bb_refs_record, df_mark_reg,
3431 df_record_exit_block_uses): Whitespace changes.
3432 (df_dump): Whitespace changes.
3433 * df.h: Some reordering to remove forward references.
3434 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3435 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3436 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3437 (dataflow.flags): New field.
3438 (df.flag): Deleted field.
3439 (df_alloc_function): Added additional bitmap parameter.
3440 (df_dependent_problem_function): New type.
3441 (df_problem.changeable_flags): New field.
3442 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3443 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3444 (df_mw_hardreg): New struct.
3445 (DF_INSN_UID_MWS): New macro.
3446 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3448 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3449 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3450 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3451 (df_set_state): Removed function.
3452 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3453 * df-problems.c (df_chain_dump): Removed df parameter.
3454 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3455 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3457 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3458 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3459 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3460 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3461 DF_REF_MUST_CLOBBER cases.
3462 (df_ru_bb_local_compute_process_def,
3463 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3464 df_lr_bb_local_compute, df_ur_bb_local_compute,
3465 df_chain_create_bb): Made subreg aware.
3466 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3467 df_lr_bb_local_compute, df_lr_bb_local_compute,
3468 df_chain_create_bb): Cleanup to use proper macros.
3469 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3470 code to fixup bitvectors.
3471 (df_ri_alloc): Cleared lifetime.
3472 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3473 df_create_unused_note): New function.
3474 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3475 REG_DEAD and REG_UNUSED notes as well as register information.
3476 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3477 df_chains_dump): Fixed crash if problem was never run.
3478 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3479 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3480 df_ri_add_problem): Processes flags in uniform manner.
3481 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3482 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3483 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3484 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3485 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3486 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3487 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3488 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3489 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3490 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3491 * see.c (see_initialize_data): Ditto.
3492 * final.c (rest_of_clean_state) Added regstack_completed.
3493 * rtl.h (regstack_completed): Ditto.
3494 * reg-stack.c (regstack_completed): Ditto.
3496 2006-05-19 Mike Stump <mrs@apple.com>
3498 * c-tree.h (default_conversion): Remove.
3499 * c-common.h (default_conversion): Add.
3501 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3503 * tree-vrp.c (valid_value_p): New function.
3504 (adjust_range_with_scev): Fail if the value of bound is not
3507 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3509 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3510 (mips_fallback_frame_state): Use syscall numbers to determine
3511 the appropriate li instruction for the current ABI. Only use
3512 __NR_sigreturn for o32.
3514 2006-05-19 Nicolas Setton <setton@adacore.com>
3516 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3517 * langhooks.c (lhd_dwarf_name): New function.
3518 * langhooks-def.h (lhd_dwarf_name): Declare.
3519 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3520 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3521 * ada/misc.c (gnat_dwarf_name): New function.
3522 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3524 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3526 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3528 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3529 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3530 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3531 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3532 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3533 determine the size of Wtype, etc.
3534 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3535 (swfloatfuncs): New variable.
3536 (dwfloatfuncs): Likewise.
3537 (lib2funcs): Remove floating-point conversion functions from
3538 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3539 the set of conversion routines needed. Allow entries to specify
3540 an object name, filename and word size. Update users accordingly.
3541 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3542 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3546 2006-02-08 Roger Sayle <roger@eyesopen.com>
3549 * config/fixtfdi.c: New libgcc source file.
3550 * config/fixunstfdi.c: New source file.
3551 * config/floatditf.c: New source file.
3552 * config/floatunditf.c: New souce file.
3553 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3554 files above instead of config/mips/_tilib.c.
3555 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3557 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3559 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3560 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3562 2006-05-18 Mike Stump <mrs@apple.com>
3564 Fix up vla, vm and [*] sematics.
3570 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3571 (c_vla_unspec_p): Add.
3572 (c_vla_type_p): Add.
3573 * c-decl.c (struct c_scope): Add had_vla_unspec.
3574 (build_array_declarator): Add support for [*].
3575 (grokdeclarator): Likewise.
3576 (grokparms): Likewise.
3577 (get_parm_info): Likewise.
3578 * c-objc-common.c (c_vla_unspec_p): Likewise.
3579 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3580 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3581 typeof when argument is a variably modified type not inside sizeof or alignof.
3582 (c_parser_direct_declarator_inner): Propagate errors.
3583 (c_parser_sizeof_expression): Add support for [*].
3584 (c_parser_parms_declarator): Initialize had_vla_unspec.
3585 (c_parser_parms_list_declarator): Likewise.
3586 * c-typeck.c (c_vla_type_p): Add.
3587 (composite_type): Add support for vla compositing.
3588 (comptypes_internal): Add support for vla compatibility.
3589 (c_expr_sizeof_expr): Evaluate vla arguments.
3590 * tree.c (variably_modified_type_p): Update comment for [*].
3592 2006-05-18 Michael Matz <matz@suse.de>
3595 * config.host: Make assignments to host_xmake_file cumulative.
3596 * config.host (*-darwin*): Test $host, not $target.
3598 2006-05-12 Stuart Hastings <stuart@apple.com>
3600 * config/i386/i386.opt (-mstackrealign): New flag.
3601 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3602 (ix86_handle_cconv_attribute): Emit error when
3603 force_align_arg_pointer attribute collides with too many regparms.
3604 (ix86_function_regparm): Limit regparms when used with
3605 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3606 Support stack-realigning prologue in non-main functions. Emit
3607 warning for nested functions under -mstackrealign, emit error for
3608 nested functions with force_align_arg_pointer attribute.
3609 * doc/extend.texi (force_align_arg_pointer): Document it.
3610 * doc/invoke.texi (-mstackrealign): Document it.
3612 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3614 PR rtl-optimization/27477
3615 * combine.c (try_combine): Don't split a parallel consisting
3616 of two sets into two individual sets if both sets reference
3619 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3621 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3622 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3624 * doc/options.texi (VarExists): Updated.
3626 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3628 * unwind-dw2.c: Add declarations for uw_update_context and
3630 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3631 detected, advance frame state and context once to skip over stub.
3633 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3637 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3638 Call rewrite_into_loop_closed_ssa only when something changed.
3639 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3640 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3641 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3642 Test for perfect_nest_p here. Fix formating.
3643 (replace_uses_equiv_to_x_with_y): Fix formating.
3644 (stmt_uses_op): Removed.
3645 (can_convert_to_perfect_nest): Removed loopivs parameter.
3646 Complete the test by checking the scalar dependences.
3647 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3650 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3653 From Dan Kegel <dank@kegel.com>:
3654 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3656 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3658 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3659 if the element type is variably modified without recursing.
3661 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3664 * tree-loop-linear.c (try_interchange_loops): Test for
3665 no data dependences.
3667 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3669 PR tree-optimization/27548
3670 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3671 range of ssa names that appear on abnormal edges.
3672 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3673 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3675 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3678 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3680 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3683 * tree.h (OMP_PARALLEL_COMBINED): Define.
3684 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3685 (new_omp_context): Add is_combined_parallel argument.
3686 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3687 new_omp_context caller.
3688 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3689 Adjust gimplify_scan_omp_clauses callers.
3690 (omp_is_private): Issue errors if iteration variable is firstprivate
3691 or reduction in the current context.
3692 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3693 on combined parallel workshare constructs.
3695 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3697 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3698 (gcc-options.o): New rule.
3700 * optc-gen.awk: Protect variables for gcc-options.o with
3701 #ifdef GCC_DRIVER/#endif.
3703 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3705 Fix PR tree-optimization/27373
3706 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3707 (forward_propagate_addr_expr): Update call.
3709 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3711 * doc/options.texi: Move the Negative option.
3713 2006-05-16 Richard Guenther <rguenther@suse.de>
3715 PR tree-optimization/22303
3716 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3718 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3719 ccp_fold did not simplify the statement.
3721 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3724 * Makefile.in (GCC_OBJS): New.
3725 (OBJS-common): Add opts-common.o.
3726 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3727 (cpp$(exeext)): Likewise.
3728 (gcc.o): Also depend on opts.h.
3729 (opts-common.o): New.
3731 * common.opt (gcoff): Add Negative(gdwarf-2).
3732 (gdwarf-2): Add Negative(gstabs).
3733 (gstabs): Add Negative(gstabs+).
3734 (gstabs+): Add Negative(gvms).
3735 (gvms): Add Negative(gxcoff).
3736 (gxcoff): Add Negative(gxcoff+).
3737 (gxcoff+): Add Negative(gcoff).
3738 * config/i386/i386.opt (m32): Add Negative(m64).
3739 (m64): Add Negative(m32).
3741 * doc/options.texi: Document the Negative option.
3743 * gcc.c: Include "opts.h".
3744 (main): Call prune_options after expandargv.
3746 * optc-gen.awk: Generate common declarations for all flag
3747 variables in options.c. Output the neg_index field.
3749 * opts.c (find_opt): Moved to ...
3750 * opts-common.c: Here. New file.
3752 * opts.h (cl_option): Add a neg_index field.
3754 (prune_options): Likewise.
3756 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3759 * omp-low.c (expand_omp_parallel): Don't assert
3760 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3761 instead search for it.
3764 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3767 2006-05-16 Andreas Schwab <schwab@suse.de>
3769 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3772 2006-05-15 Roger Sayle <roger@eyesopen.com>
3775 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3776 integer constants other than zero are only legitimate on TARGET_64BIT.
3777 <CONST_VECTOR> Only zero vectors are legitimate.
3778 (ix86_cannot_force_const_mem): Integral and vector constants can
3779 always be put in the constant pool.
3781 2006-05-16 DJ Delorie <dj@redhat.com>
3783 * crtstuff.c (__dso_handle): Set section from
3784 TARGET_LBIGCC_SDATA_SECTION if defined.
3785 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3786 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3788 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3791 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3794 2006-05-16 Ben Elliston <bje@au.ibm.com>
3796 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3798 2006-05-15 Per Bothner <per@bothner.com>
3800 * tree.c: (last_annotated_node): Use source_locus typedef.
3801 This permits bootstrapping with --enable-mapped-location.
3803 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3805 PR tree-optimization/26830
3806 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3807 (info_for_ssa_name, current_info_for_ssa_name_age,
3808 blocks_to_update): New variables.
3809 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3810 (clear_ssa_name_info, initialize_flags_in_bb,
3811 mark_block_for_update): New functions.
3812 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3813 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3814 prepare_def_site_for): Use mark_block_for_update.
3815 (mark_def_interesting): Assert that the processed block is marked in
3816 blocks_to_update. Do not take blocks argument.
3817 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3819 (rewrite_update_init_block, rewrite_update_stmt): Only process
3820 blocks with statements to rewrite.
3821 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3822 (update_ssa): Initialize and free blocks_to_update. Do not
3823 clear flags on statements. Do not use blocks bitmap.
3824 * tree.h (SSA_NAME_AUX): Removed.
3825 (struct tree_ssa_name): Removed aux field.
3826 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3828 2006-05-15 Richard Guenther <rguenther@suse.de>
3830 PR tree-optimization/27603
3831 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3832 Do computations in original type.
3834 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3836 * see.c: Code style changes such as redundant paranthesis,
3837 redundant intialization of local variables etc.
3838 (see_main): Declared now as static.
3839 * doc/invoke.texi: Update that -fsee is not enabled by
3842 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3844 * omp-low.c (check_omp_nesting_restrictions): New function.
3845 (scan_omp_1): Call it.
3848 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3849 construct, return *VAR.
3851 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3853 PR rtl-optimization/27406
3854 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3857 2006-05-14 Roger Sayle <roger@eyesopen.com>
3859 PR rtl-optimization/27538
3860 * combine.c (expand_compound_operation): Call gen_lowpart
3861 before calling simplify_shift_const.
3863 2006-05-14 Roger Sayle <roger@eyesopen.com>
3865 PR rtl-optimization/22563
3866 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3867 a fixed width bitfield, always force the intermediates into psuedos.
3869 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3872 * mkconfig.sh: Use operator = instead of == for test.
3874 2006-05-13 Nick Clifton <nickc@redhat.com>
3876 * dwarf2out.c (dbx_reg_number): Check return value from
3877 LEAF_REG_REMAP and only use it if it is valid.
3878 (multiple_reg_loc_descriptor): Likewise.
3880 2006-05-13 Richard Guenther <rguenther@suse.de>
3882 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3885 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3887 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3888 information attached to non-INSNs such as NOTEs.
3889 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3891 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3893 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3895 * config/s390/s390.md: Adjust comment describing On constraint.
3897 2006-05-11 Jan Hubicka <jh@suse.cz>
3899 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3900 to be output at -O0.
3902 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3905 * fold-const.c (size_binop): Move sanity check for arguments to
3906 the beginning of the function.
3909 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3912 2006-05-11 Richard Guenther <rguenther@suse.de>
3915 * fold-const.c (fold_unary): Handle intermediate conversion
3916 to a pointer type like intermediate conversion to an integer
3917 type in folding of (T1)(T2)var to var.
3918 Match the code to the comment in the final conversion for
3919 (T1)(T2)var to (T1)var regarding to type precision. Rather
3920 than disallow T1 being of pointer type, assert that both T1
3921 and var are of pointer type or not. Make sure not to fall
3922 over the frontends lazyness wrt array to pointer decay though.
3924 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3926 * arm.c (arm_struct_value_rtx): Delete.
3927 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3928 (arm_init_cumulative_args): Always initialize nregs to zero.
3930 2006-05-10 Richard Guenther <rguenther@suse.de>
3932 PR tree-optimization/27532
3933 * tree-object-size.c (plus_expr_object_size): Fix typo.
3935 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3938 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3939 ashrdi_const, ashrdi3): Use a scratch register.
3941 2006-05-10 Richard Guenther <rguenther@suse.de>
3943 PR tree-optimization/27302
3944 * fold-const.c (operand_equal_p): For two comparisons,
3945 try comparison of one comparison code swapped if that yields
3948 2006-05-10 Ben Elliston <bje@au.ibm.com>
3950 * tree-pretty-print.c (pretty_print_string): No need to handle
3951 '\0' as a special character.
3953 * tree.h: Include "hashtab.h".
3954 (iterative_hash_expr): Use hashval_t in its prototype.
3955 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3957 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3960 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3961 (hppa*64*-*-hpux11*): Ditto.
3962 (hppa[12]*-*-hpux11*): Ditto.
3964 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3967 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3969 2006-05-09 Michael Matz <matz@suse.de>
3971 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3972 host_extra_gcc_objs and host_xmake_file.
3973 (<*-*-linux*>): Don't overwrite host_xmake_file.
3974 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3975 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3976 (host_detect_local_cpu): Declare.
3977 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3978 * config/i386/i386.c (override_options): Handle -mtune=native
3980 * config/i386/x-i386: New file.
3981 * config/i386/driver-i386.c: New file.
3982 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3985 2006-05-09 Dirk Mueller <dmueller@suse.de>
3986 Richard Guenther <rguenther@suse.de>
3989 * fold-const.c (fold_read_from_constant_string): Relax check
3990 for matching types to matching modes.
3992 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3994 PR rtl-optimization/27335
3995 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3998 2006-05-08 Chao-ying Fu <fu@mips.com>
3999 Richard Sandiford <richard@codesourcery.com>
4001 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4002 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4003 * config/mips/mips.md (UNSPEC_SCC): New constant.
4004 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4005 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4006 (mips_emit_compare): Use it.
4007 (mips_expand_vcondv2sf): New function.
4009 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4011 Fix PR tree-optimization/27093
4012 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4013 renaming when they become not-used_alone.
4015 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4017 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4018 relocation and relocation stubs.
4020 2006-05-08 Eric Christopher <echristo@apple.com>
4022 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4025 2006-05-08 Jan Hubicka <jh@suse.cz>
4028 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4029 unused static functions are needed.
4031 2006-05-08 Roger Sayle <roger@eyesopen.com>
4034 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4035 of a reg_equiv_constant if the result is a legitimate constant.
4037 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4040 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4041 standard 80387 constants, raise the cost to prevent
4042 compress_float_constant() to generate load from memory.
4044 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4046 * config/arm/constraints.md (c): Fix a typo.
4048 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4051 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4054 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4056 (_mm_mwait): Likewise.
4058 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4060 (sse3_monitor): Make it 32bit only.
4061 (sse3_monitor64): New. 64bit monitor.
4063 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4066 * config/i386/i386.c (classify_argument): Skip fields with invalid
4069 2006-05-07 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/27409
4072 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4073 Do not try to find zero-sized subvars.
4075 2006-05-07 Richard Guenther <rguenther@suse.de>
4077 PR tree-optimization/27136
4078 * tree-ssa-loop-niter.c (get_val_for): Correct function
4079 comment, assert requirements.
4080 (loop_niter_by_eval): Stop processing if the iterated
4081 value did not simplify.
4083 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4085 * opts.c (flag_see): remove its setting at -O3.
4087 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4089 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4090 * arm/constraints.md: New file.
4091 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4092 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4093 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4094 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4095 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4096 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4097 * arm.md: Include constraints.md.
4098 (thumb_movsi_insn): Use satisfies_constraint_J.
4099 (movhi, movqi): Use satisfies_constraint_I.
4101 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4103 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4104 for atmeg a645 device.
4106 2006-05-06 Richard Guenther <rguenther@suse.de>
4108 PR tree-optimization/27151
4109 * tree-vect-transform.c (vectorizable_condition): Punt on
4110 values that have a different type than the condition.
4112 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4115 * c-parser.c (c_parser_cast_expression): Only insert casts into
4116 hash table if pointer.
4117 * function.c (used_types_insert_helper): Rename from
4119 (used_types_insert): Call used_types_insert_helper.
4120 * function.h (used_types_insert): Accept only one argument.
4122 2006-05-05 David Edelsohn <edesohn@gnu.org>
4124 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4125 scratch with output modifier.
4127 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4130 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4131 with output modifier.
4133 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4136 * config/mips/mips.c (mips_symbolic_address_p): Return true
4137 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4138 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4140 2006-05-04 Richard Guenther <rguenther@suse.de>
4142 PR tree-optimization/14287
4143 PR tree-optimization/14844
4144 PR tree-optimization/19792
4145 PR tree-optimization/21608
4146 PR tree-optimization/27090
4147 * tree-ssa-pre.c (try_combine_conversion): New function.
4148 (compute_avail): After constructing the value-handle
4149 expression, use try_combine_conversion to combine NOP_EXPRs
4150 with previous value-handle expressions and use the result if it
4153 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4155 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4157 2006-05-04 Jan Hubicka <jh@suse.cz>
4160 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4162 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4164 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4165 that this only matches CONST_INTs. All users changed to VOIDmode
4168 * config/bfin/bfin.c: Include "optabs.h".
4169 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4171 (enum bfin_builtins): Add a number of fractional and vector builtins.
4172 (bfin_init_builtins): Likewise.
4173 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4174 (safe_vector_operand, bfin_expand_binop_builtin,
4175 bfin_expand_unop_builtin): New functions.
4176 (bfin_expand_builtin): Handle the new builtins.
4177 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4180 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4183 * Makefile.in (OBJS-common): Add see.o.
4184 (see.o): Add dependencies.
4185 * common.opt (fsee): New flag for the see optimization was added.
4186 * opts.c (flag_see): Initialized.
4187 * passes.c (init_optimization_passes, pass_see): New pass.
4188 * rtl.h (see_main): Declaration as extern.
4189 * timevar.def (TV_SEE): New.
4190 * tree-pass.h (pass_see): Declaration as extern.
4191 * invoke.texi (-fsee): Document.
4192 * recog.c (validate_simplify_insn): New function.
4193 * recog.h (validate_simplify_insn): Declaration as extern.
4194 * df-problems.c (df_chain_dump): Check for NULL.
4196 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4197 Daniel Berlin <dberlin@dberlin.org>
4199 * cfgrtl.c (insert_insn_bb_end_new): New function.
4200 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4202 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4204 * df.h (struct web_entry): Moved from web.c.
4205 (union_defs): Declaration as extern.
4206 (unionfind_root): Likewise.
4207 (unionfind_union): Likewise.
4208 * web.c (struct web_entry): Moved to df.h.
4209 (unionfind_root): Remove static declaration.
4210 (unionfind_union): Likewise.
4211 (union_defs): Likewise and generalize to use callback function.
4212 (web_main): Update arguments for union_defs function call.
4214 2006-05-04 Richard Guenther <rguenther@suse.de>
4216 PR tree-optimization/26447
4217 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4218 produce SSA_NAME copies before the store stmt to avoid
4219 breaking exception handling.
4221 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4224 * gimplify.c (omp_is_private): If var is shared in some outer context,
4225 return false instead of true. Stop searching on parallel context
4228 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4231 * coverage.c: Use get_gcov_unsigned_t() instead of
4232 unsigned_type_node all over.
4234 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4236 PR tree-optimization/27381
4237 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4238 maintain the same immediate_use links.
4239 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4240 node rather than segfaulting.
4242 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4245 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4246 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4247 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4249 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4251 Fix PR tree-optimization/26626
4252 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4254 * tree-ssa-operands.c (access_can_touch_variable): Allow
4255 typecasting through union pointers.
4257 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4260 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4261 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4262 to find if var will be a global variable even in the nested context.
4263 (omp_copy_decl): Only check for global variable at the end, it might
4264 be overridden in outer contexts.
4265 (scan_sharing_clauses): For global variables don't create a field.
4266 (lower_rec_input_clauses): Do nothing for global shared variables.
4267 Emit a barrier at the end of ILIST if there were any decls in both
4268 firstprivate and lastprivate clauses.
4269 (lower_send_clauses): Do nothing for global variables except for
4272 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4274 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4275 of the correct signedness is returned.
4277 2006-05-02 Jeff Law <law@redhat.com>
4279 PR tree-optimization/27364
4280 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4281 multiply expressions.
4283 2006-05-02 Tom Tromey <tromey@redhat.com>
4285 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4287 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4290 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4291 -mthumb -fPIC are used.
4293 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4294 Joshua Kinard <kumba@gentoo.org>
4297 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4298 with 64-bit pointers.
4300 2006-05-02 Paul Brook <paul@codesourcery.com>
4302 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4304 (create_fix_barrier): Check that a suitable barrier location is
4306 (arm_reorg): Include ftmp->address in allowable range of addresses.
4308 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4311 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4314 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4317 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4318 around RESULT_DECL for result passed by reference.
4319 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4320 * omp-low.c (use_pointer_for_field): Don't look at
4321 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4322 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4323 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4324 time or var for passing by reference for
4325 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4326 TREE_ADDRESSABLE variables when passing by reference.
4328 * omp-low.c (dump_omp_region): Fix output formatting.
4331 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4332 (expand_omp_parallel): Likewise.
4333 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4336 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4337 on statement list containing also constructors and destructors.
4338 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4341 * except.c (duplicate_eh_regions): Fix clearing of
4342 cfun->eh->region_array entries.
4344 2006-05-01 DJ Delorie <dj@redhat.com>
4346 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4348 (gcc_cv_objdump): Likewise.
4349 * configure: Regenerated.
4351 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4354 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4355 templates for case 3 and 4.
4357 2006-05-01 DJ Delorie <dj@redhat.com>
4359 * vec.c: Include bconfig.h when appropriate.
4360 * Makefile.in (build/vec.o): Adjust dependencies.
4361 * mkconfig.sh: Make sure config.h isn't used for build machine
4364 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4366 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4368 (mark_phi_for_rewrite): New function.
4369 (insert_phi_nodes_for, mark_use_interesting): Call
4370 mark_phi_for_rewrite.
4371 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4372 (update_ssa): Initialize and free phis_to_rewrite.
4374 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4376 PR rtl-optimization/27291
4377 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4378 folded to a constant.
4380 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4382 PR tree-optimization/27283
4383 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4384 not whole # of iteration descriptions.
4385 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4386 uses abnormal ssa name.
4387 (niter_for_single_dom_exit): Ditto.
4388 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4389 return just the number of iterations.
4391 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4393 PR tree-optimization/27144
4394 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4395 (record_estimate): Only record constant upper bound.
4396 (infer_loop_bounds_from_undefined): Call
4397 compute_estimated_nb_iterations just once.
4398 (proved_non_wrapping_p): Renamed to ...
4399 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4400 (convert_step_widening, scev_probably_wraps_p): Call
4401 n_of_executions_at_most instead of proved_non_wrapping_p.
4402 (substitute_in_loop_info): Do not replace values in bounds.
4403 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4406 2006-05-01 Richard Henderson <rth@redhat.com>
4409 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4410 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4413 2006-05-01 Roger Sayle <roger@eyesopen.com>
4415 * c-typeck.c (parser_build_binary_op): Don't call the function
4416 unsigned_conversion_warning to spot operand/result type overflow.
4417 (build_binary_op): Instead, call convert_and_check instead of
4418 convert to report the problem when the operands are promoted.
4419 * c-common.c (unsigned_conversion_warning): Make static.
4420 * c-common.h (unsigned_conversion_warning): Delete prototype.
4422 2006-05-01 Richard Guenther <rguenther@suse.de>
4424 PR tree-optimization/26726
4425 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4427 (find_interesting_uses_address): ... we work around here
4428 by folding INDIRECT_REFs in the substituted base.
4430 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4432 * omp-low.c (dump_omp_region): Add newlines.
4434 2006-04-30 Roger Sayle <roger@eyesopen.com>
4436 * common.opt (Woverflow): New command line option.
4437 * c-common.c (constant_expression_warning): Check warn_overflow.
4438 (overflow_waring): Pass OPT_Woverflow to warning.
4439 (unsigned_conversion_warning): Likewise.
4440 (convert_and_check): Likewise.
4441 * doc/invoke.texi: Document new command line option.
4443 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4445 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4446 TARGET_NO_FP_IN_TOC for section anchors.
4447 (optimization_options): Enable section anchors for all
4448 non-"Objective" languages.
4450 2006-04-28 Eric Christopher <echristo@apple.com>
4452 * config/darwin-c.c (darwin_ms_struct): Move this
4453 (darwin_set_default_type_attributes): and this...
4454 * config/darwin.c: ... here.
4455 * config/darwin.h (darwin_ms_struct): Declare.
4457 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4459 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4461 2006-04-28 Roger Sayle <roger@eyesopen.com>
4464 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4465 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4466 an unsigned HOST_WIDE_INT.
4467 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4469 (really_start_incremental_init): No need to call convert because
4470 bitsize_zero_node is already of type bitsizetype.
4471 (push_init_level): Extract the value of constructor_index as an
4472 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4473 (process_init_element): Likewise.
4475 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4477 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4478 value before passing to make_relative_prefix.
4480 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4483 * builtins.c (expand_builtin_memset): Expand val in original mode.
4485 2006-04-27 Eric Christopher <echristo@apple.com>
4487 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4488 with #ifndef/#endif.
4489 * config/darwin-c.c (darwin_ms_struct): New.
4490 (darwin_pragma_ms_struct): Ditto.
4491 (darwin_set_default_type_attributes): Ditto.
4492 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4493 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4494 Register ms_struct pragma.
4495 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4496 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4497 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4498 darwin_set_default_type_attributes if TARGET_MACHO.
4500 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4502 PR tree-optimization/26854
4503 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4504 * doc/tree-ssa.texi: Update immuse iterator documentation.
4505 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4506 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4507 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4508 first_safe_imm_use, next_safe_imm_use): Remove.
4509 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4510 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4511 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4512 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4513 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4514 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4515 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4516 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4517 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4518 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4519 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4520 (perfect_nestify): Use new iterator.
4521 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4523 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4524 (next_imm_name): New field in struct immediate_use_iterator_d.
4525 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4526 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4527 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4528 * tree-cfg.c (replace_uses_by): Use new iterator.
4529 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4530 * tree-ssa-operands.c (correct_use_link): Remove.
4531 (finalize_ssa_use_ops): No longer call correct_use_link.
4533 2006-04-27 Stuart Hastings <stuart@apple.com>
4535 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4536 * config/t-darwin (crt3.o): Use it.
4537 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4538 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4539 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4540 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4541 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4544 2006-04-27 Roger Sayle <roger@eyesopen.com>
4546 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4547 size, force the intermediate into a new pseudo rather instead of
4548 performing both a bitwise AND and a bitwise IOR in memory.
4550 2006-04-27 Richard Guenther <rguenther@suse.de>
4552 PR rtl-optimization/26685
4553 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4554 this one "max-flow-memory-locations".
4556 2006-04-27 Richard Guenther <rguenther@suse.de>
4558 PR tree-optimization/25148
4559 * tree-vrp.c (compare_values): Remove code dealing with
4560 comparisons against type min/max value. Honour overflow
4561 and negative constants in code dealing with comparisons
4562 of plus and minus expressions.
4563 (value_inside_range): Use fold_binary with LE_EXPR and
4564 GE_EXPR rather than compare_values.
4566 2006-04-27 Dirk Mueller <dmueller@suse.de>
4568 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4571 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4573 * basic-block.h (safe_insert_insn_on_edge): Removed.
4574 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4576 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4577 Paolo Bonzini <bonzini@gnu.org>
4580 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4581 (simplify_and_const_int): Same.
4583 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4585 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4587 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4590 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4591 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4592 cgraph_global_info_ready.
4595 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4598 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4599 either decl or init is error_mark_node.
4602 * tree-flow.h (struct omp_region): Add sched_kind.
4603 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4604 instead of extracting omp for data.
4605 (expand_omp_for): Save extracted sched_kind.
4607 2006-04-25 Roger Sayle <roger@eyesopen.com>
4609 * expmed.c (store_bit_field): Also check whether the bitsize is
4610 valid for the machine's "insv" instruction before moving the
4611 target into a pseudo for use with the insv.
4612 * config/i386/predicates.md (const8_operand): New predicate.
4613 * config/i386/i386.md (extv, extzv, insv): Use the new
4614 const8_operand predicate where appropriate.
4616 2006-04-25 DJ Delorie <dj@redhat.com>
4618 * doc/install.texi (Specific): Clarify that this is not a list of
4619 supported hosts or targets.
4621 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4623 PR rtl-optimization/26725
4624 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4625 block's BB_DIRTY flag.
4627 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4629 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4632 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4633 to print an integer.
4635 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4637 * varasm.c (align_variable): New function.
4638 (get_block_for_decl): Apply align_variable to DECL before
4639 calculating section information.
4640 (assemble_variable): Split out alignment computation.
4642 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4644 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4647 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4649 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4650 MODE_PARTIAL_INT mode.
4651 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4652 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4654 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4655 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4657 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4659 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4661 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4662 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4663 MACFLAG_IH): Likewise.
4664 (movstricthi_1): Renamed from "*movstricthi".
4665 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4666 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4667 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4668 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4669 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4670 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4671 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4672 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4673 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4674 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4675 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4676 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4677 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4678 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4679 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4681 * doc/rtl.texi (ss_ashift): Improve wording.
4683 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4685 * dwarf2out.c (verify_marks_clear): New.
4686 (prune_unused_types): Call verify_marks_clear initially, not
4689 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4691 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4692 * doc/rtl.texi: Document them.
4693 * simplify-rtx.c (simplify_unary_operation,
4694 simplify_binary_operation_1): Don't abort when we see them.
4696 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4699 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4700 * configure.ac: Completely disregard languages that are not
4702 * configure: Regenerated.
4704 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4705 Richard Guenther <rguenther@suse.de>
4707 PR tree-optimization/27236
4708 * tree-inline.c (copy_body_r): Make sure to copy
4709 TREE_THIS_VOLATILE flag.
4711 2006-04-24 Richard Guenther <rguenther@suse.de>
4714 * tree-complex.c (update_parameter_components): Don't handle
4715 unused parameters which have no default def.
4717 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4718 Richard Guenther <rguenther@suse.de>
4720 PR tree-optimization/27218
4721 * tree-inline.c (expand_call_inline): Strip useless type
4722 conversions for the return slot address.
4724 2006-04-24 Richard Guenther <rguenther@suse.de>
4726 * cfgloop.h (struct loops): Remove unused field array. Reorder
4728 (LOOP_PREFETCH): Remove.
4730 2006-04-24 Richard Guenther <rguenther@suse.de>
4732 PR tree-optimization/22525
4733 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4734 variable, adjust types of generated expressions.
4736 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4738 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4739 (tree-vect-patterns.o): Likewise.
4741 (cselib.o): Likewise.
4742 (loop-doloop.o): Likewise.
4743 (regclass.o): Likewise.
4744 (reload1.o): Likewise.
4745 (explow.o): Replace target.h with $(TARGET_H).
4746 (ipa-prop.o): Likewise.
4747 (ipa-cp.o): Likewise.
4748 (ipa-inline.o): Likewise.
4749 (reorg.o): Likewise.
4750 (reg-stack.o): Likewise.
4752 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4754 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4756 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4758 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4760 * configure.ac: Completely disregard languages that are not
4762 * configure: Regenerated.
4765 * c-common.h (c_build_bitfield_integer_type): Declare.
4766 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4767 * c-common.c (c_build_bitfield_integer_type): ... here.
4769 2006-04-23 Roger Sayle <roger@eyesopen.com>
4772 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4773 a SImode SUBREG of a floating point register after no_new_pseudos.
4775 2006-04-23 Roger Sayle <roger@eyesopen.com>
4777 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4778 identify potentially eliminable registers to additionally catch
4779 VIRTUAL_INCOMING_ARGS_REGNUM.
4780 (addsi3): Update the conditions on when to use addsi_small_int.
4782 2006-04-23 Roger Sayle <roger@eyesopen.com>
4785 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4786 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4787 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4789 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4791 * fold-const.c (range_predecessor): Use operand_equal_p
4792 as the predicate for equality.
4793 (range_successor): Likewise.
4795 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4798 * config/soft-fp/op-common.h: Fix a typo.
4800 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4803 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4804 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4806 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4808 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4810 * doc/tm.texi: Fix a typo.
4812 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4814 * dwarf2out.c (struct die_struct): Document that die_sib makes
4815 a circular linked list.
4816 (FOR_EACH_CHILD): New.
4817 (reverse_die_lists): Delete.
4818 (reverse_all_dies): Delete.
4819 (add_dwarf_attr): Correct documentation.
4820 (remove_child_with_prev): New.
4821 (remove_child_TAG): Update for change to die_struct, use
4822 remove_child_with_prev.
4823 (add_child_die): Update for change to die_struct.
4824 (splice_child_die): Use remove_child_with_prev and add_child_die.
4825 (print_die): Use FOR_EACH_CHILD.
4826 (die_checksum): Likewise.
4827 (assign_symbol_names): Likewise.
4828 (output_location_lists): Likewise.
4829 (build_abbrev_table): Likewise.
4830 (calc_die_sizes): Likewise.
4831 (mark_dies): Likewise.
4832 (unmark_dies): Likewise.
4833 (unmark_all_dies): Likewise.
4834 (output_die): Likewise.
4835 (prune_unused_types_mark): Likewise.
4836 (prune_unused_types_walk): Likewise.
4837 (same_die_p): Update for change to die_struct.
4838 (break_out_includes): Likewise.
4839 (prune_unused_types_prune): Likewise.
4840 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4841 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4843 (dwarf2out_finish): Don't call reverse_all_dies.
4845 2006-04-21 Eric Christopher <echristo@apple.com>
4847 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4848 in comments and function names.
4850 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4853 * c-typeck.c (digest_init): Robustify.
4855 * c-typeck.c (pop_init_level): Simplify.
4857 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4859 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4861 2006-04-21 Paul Brook <paul@codesourcery.com>
4863 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4864 hardware floating point.
4866 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4868 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4871 2006-04-21 Nick Clifton <nickc@redhat.com>
4873 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4876 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4879 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4880 C++ lang type in traceback table for Objective-C++.
4882 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4884 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4886 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4888 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4891 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4892 were errors. Remove check for erroneous objects.
4894 2006-04-20 Jeff Law <law@redhat.com>
4896 PR tree-optimization/26854
4897 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4898 checking for zero or one use.
4899 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4900 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4901 * tree-ssa-reassoc.c (negate_value): Similarly.
4902 (reassociate_bb): Similarly.
4904 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4906 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4907 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4908 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4910 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4912 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4913 fp regs if the last fp arg doesn't fit in regs.
4915 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4918 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4919 that the last insn has the REG_INC note.
4921 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4922 Nathan Sidwell <nathan@codesourcery.com>
4925 * stor-layout.c (update_alignment_for_field): Do not align
4927 (place_union_field): Place union field at the start of the union.
4928 (place_field): Move ERROR_MARK check later, and use the current
4929 allocation position to maintain monotonicity.
4931 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4933 * dominance.c: Include timevar.h.
4934 (calculate_dominance_info): Use TV_DOMINANCE.
4935 * timevar.def (TV_DOMINANCE): New timevar.
4936 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4938 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4940 PR rtl-optimization/14261
4941 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4942 move would be an INSV insn.
4943 (noce_process_if_block): Don't optimize if the destination is a
4944 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4946 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4948 * config/s390/s390.md: Add comments with the instructions emitted
4949 by an insn pattern if macros are used.
4951 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4953 PR rtl-optimization/26026
4954 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4955 is a known power of two shifted left a variable amount.
4957 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4959 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4960 to hash table twice when the debug_str section has SECTION_MERGE.
4962 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4964 * config/soft-fp: New directory. From glibc.
4965 * config/soft-fp/t-softfp: New.
4966 * config/soft-fp/README: New.
4967 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4968 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4969 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4970 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4971 * config.gcc: Use rs6000/t-fprules-fpbit or
4972 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4974 * config/rs6000/sfp-machine.h: New. Based on glibc.
4975 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4977 * config/rs6000/t-fprules: Remove fp-bit rules.
4978 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4979 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4980 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4981 (softfp_wrap_start, softfp_wrap_end): New.
4983 2006-04-18 DJ Delorie <dj@redhat.com>
4985 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4987 2006-04-18 Devang Patel <dpatel@apple.com>
4989 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4991 2006-04-18 Nick Clifton <nickc@redhat.com>
4993 * config/sh/t-symbian: Add rule to build sh-c.o
4994 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4995 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4996 (sh_symbian_encode_section_info): Likewise.
4998 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5000 * builtins.c (expand_builtin_strcmp): Cover label definition of
5001 do_libcall with HAVE_cmpstrnsi.
5003 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5005 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5007 * function.h (temp_slot_p): New.
5008 (function): Change the type of x_used_temp_slots to
5009 VEC(temp_slot_p,gc) *.
5011 2006-04-18 Nick Clifton <nickc@redhat.com>
5013 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5014 flag_strength_reduce.
5016 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5018 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5022 Partial revert of revision 112637
5023 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5024 Dale Johannesen <dalej@apple.com>
5027 * regclass.c (struct reg_pref): Update documentation.
5028 (regclass): Set prefclass to NO_REGS if memory is the best option.
5029 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5031 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5033 PR tree-optimization/26821
5034 * tree-ssa-math-opts.c (get_constant_one): New.
5035 (insert_reciprocals): Use it.
5037 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5039 * dwarf2out.c (free_AT): Delete.
5040 (remove_AT): Update string ref counts.
5041 (remove_child_TAG): Don't call free_die.
5043 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5044 or DW_TAG_GNU_EINCL.
5045 (prune_unused_types_walk_attribs): Reset string refcounts.
5046 (prune_unused_types_update_strings): New.
5047 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5048 call free_die. Do call prune_unused_types_update_strings.
5049 (prune_unused_types): Empty debug_str_hash.
5051 2006-04-17 Roger Sayle <roger@eyesopen.com>
5053 * expr.c (expand_assignment): Optimize away no-op moves where the
5054 source and destination are equal and have no side-effects.
5056 2006-04-17 Richard Guenther <rguenther@suse.de>
5059 * reload.c (push_reload): Guard calls to get_secondary_mem
5062 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5064 * alias.c (reg_base_value, old_reg_base_value): Change the
5065 type to VEC(rtx,gc) *.
5066 (REG_BASE_VALUE, find_base_value, record_set,
5067 init_alias_analysis): Use VEC instead of VARRAY.
5069 * alias.c (alias_sets): Change the type to
5070 VEC(alias_set_entry,gc) *.
5071 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5072 VEC instead of VARRAY.
5073 (last_alias_set): Remove.
5075 * cgraph.h (cgraph_edge_p): New.
5076 Update the prototype of cgraph_function_versioning.
5077 * cgraphunit.c (cgraph_copy_node_for_versioning,
5078 cgraph_function_versioning): Use VEC instead of VARRAY.
5079 * ipa-cp.c (ipcp_insert_stage): Likewise.
5081 2006-04-16 Roger Sayle <roger@eyesopen.com>
5084 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5085 "A op B" or "A op C", we may need to convert A to the type of B and C.
5087 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5089 * target.h (struct gcc_target): Add mode_rep_extended.
5090 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5091 (init_num_sign_bit_copies_in_rep): Initialize it using
5093 (truncate_to_mode): Use it.
5094 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5095 * targhooks.h (default_mode_rep_extended): Declare it.
5096 * targhooks.c (default_mode_rep_extended): Define it.
5097 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5098 default_mode_rep_extended.
5099 (TARGET_INITIALIZER): Include it.
5100 * doc/tm.texi (Misc): Document it.
5101 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5102 (mips_truncated_to_mode): New function.
5104 2006-04-16 Roger Sayle <roger@eyesopen.com>
5107 * expr.c (compress_float_constant): Copy the narrow constant into
5108 a new pseudo before extending it to its final width.
5110 2006-04-16 Roger Sayle <roger@eyesopen.com>
5111 Andrew Pinski <pinskia@gcc.gnu.org>
5112 Dale Johannesen <dalej@apple.com>
5115 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5116 special case code to implement V8HImode and V16QImode with SSE2.
5118 2006-04-15 Roger Sayle <roger@eyesopen.com>
5120 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5121 trees are constructed with a suitable tree type.
5123 2006-04-15 Roger Sayle <roger@eyesopen.com>
5125 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5126 (integer_onep): Likewise.
5127 (integer_all_onesp): Likewise.
5128 (integer_pow2p): Likewise.
5129 (integer_nonzerop): Likewise.
5130 (real_zerop): Likewise.
5131 (real_onep): Likewise.
5132 (real_twop): Likewise.
5133 (real_minus_onep): Likewise.
5134 (int_size_in_bytes): Likewise.
5135 (host_integerp): Likewise.
5137 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5139 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5140 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5141 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5143 * tree-ssa-structalias.h (alias_info): Remove num_references.
5145 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5147 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5148 (output_bvb patterns): Likewise.
5149 * pa.c (output_bb): Use 'bb' insn for long branch case.
5150 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5151 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5152 1. Correct length operand for alternatives 1 and 2.
5153 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5154 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5156 2006-04-14 Roger Sayle <roger@eyesopen.com>
5158 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5159 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5160 were accidentally reverted by r112959.
5162 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5165 * except.h (eh_region_outermost): New prototype.
5166 * except.c (eh_region_outermost): New function.
5167 * tree-cfg.c (find_outermost_region_in_block): Use it.
5169 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5171 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5173 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5174 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5175 (init_reload, reload): Use VEC instead of VARRAY.
5176 * reload.h: Update the prototype for
5177 reg_equiv_memory_loc_varray.
5179 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5180 Eric Botcazou <ebotcazou@libertysurf.fr>
5182 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5185 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5188 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5189 to expand fallback builtin function call.
5191 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5194 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5195 and emit libcall here in case the builtin fails.
5196 (expand_builtin_strcmp): Always emit the libcall here on failure.
5198 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5200 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5201 * flow.c (reg_n_info): Change the type to
5202 VEC(reg_info_p,heap) *.
5203 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5205 * regs.h (reg_info_p): New.
5206 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5207 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5208 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5211 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5213 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5215 * params.h (MAX_SCHED_READY_INSNS): New macro.
5216 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5217 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5218 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5219 the ready list for 1 cycle during the first scheduling pass.
5220 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5222 2006-04-13 Richard Henderson <rth@redhat.com>
5225 * gimple-low.c (lower_omp_directive): Remove dead code.
5226 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5227 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5228 * omp-low.c (struct omp_region): Move to tree-flow.h.
5229 (root_omp_region): Export.
5230 (omp_regions, lookup_omp_region): Remove.
5231 (determine_parallel_type): Update for struct omp_region changes.
5232 (dump_omp_region): Dump regions with block numbers.
5233 (new_omp_region): Take type and block instead of stmt; malloc
5235 (free_omp_region_1, free_omp_regions): New.
5236 (expand_parallel_call): Take entry_stmt as argument; update for
5237 changes to omp_region.
5238 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5239 (remove_exit_barriers): New.
5240 (expand_omp_parallel): Update for struct omp_region changes.
5241 (expand_omp_synch): Likewise.
5242 (expand_omp): Likewise.
5243 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5244 (expand_omp_for_static_chunk): Likewise.
5245 (expand_omp_for): Likewise.
5246 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5247 (expand_omp_sections): Similarly, with GOMP_sections_end.
5248 (expand_omp_single): New.
5249 (build_omp_regions_1): Update for OMP_CONTINUE.
5250 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5251 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5252 OMP_SECTIONS_SECTIONS.
5253 (lower_omp_single_simple): Don't emit barrier here.
5254 (lower_omp_single_copy): Likewise.
5255 (lower_omp_single): Fix bindings, and lower to straightline now.
5256 (lower_omp_master, lower_omp_ordered): Likewise.
5257 (lower_omp_critical): Likewise.
5258 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5259 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5260 omp edges, free it afterward.
5261 (make_omp_sections_edges): Remove.
5262 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5263 (move_stmt_r): Handle OMP_CONTINUE.
5264 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5265 statement pointers to basic blocks. Add type member.
5266 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5267 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5268 * tree-inline.c (estimate_num_insns_1): Likewise.
5269 * tree-pretty-print.c (dump_generic_node): Likewise.
5270 * tree-ssa-operands.c (get_expr_operands): Likewise.
5271 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5272 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5273 (OMP_CONTINUE): New.
5274 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5275 (OMP_SECTIONS_SECTIONS): Remove.
5276 (OMP_SECTION_LAST): New.
5277 (OMP_RETURN_NOWAIT): New.
5279 2006-04-13 Roger Sayle <roger@eyesopen.com>
5281 * fold-const.c (native_encode_vector, native_interpret_real):
5282 Correct obvious mistakes in the previous check-in.
5284 2006-04-13 Roger Sayle <roger@eyesopen.com>
5286 * fold-const.c (native_encode_expr): New function to encode
5287 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5288 or VECTOR_CST into a specified buffer.
5289 (native_encode_int): New function.
5290 (native_encode_real): New function.
5291 (native_encode_complex): New function.
5292 (native_encode_vector): New function.
5293 (native_interpret_expr): Inverse of native_encode_expr to convert
5294 a target representation into an INTEGER_CST, REAL_CST etc...
5295 (native_interpret_int): New function.
5296 (native_interpret_real): New function.
5297 (native_interpret_complex): New function.
5298 (native_interpret_vector): New function.
5299 (fold_view_convert_expr): New function to constant fold/evaluate
5300 a VIEW_CONVERT_EXPR of a suitable constant expression.
5301 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5302 Change call of build1 to fold_build1 when constructing a
5305 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5306 Ulrich Weigand <uweigand@de.ibm.com>
5309 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5312 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5315 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5316 optimize to lo_sum for DFmode if !TARGET_FPRS.
5318 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5320 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5321 delete_alias_info, compute_flow_sensitive_aliasing,
5322 group_aliases): Use VEC instead of VARRAY.
5323 * tree-ssa-structalias.c (update_alias_info): Likewise.
5324 * tree-ssa-structalias.h (alias_info): Change the type of
5325 processed_ptrs to VEC(tree,heap) *.
5327 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5330 * config/sh/lib1funcs.h: New file, broken out of:
5331 * config/sh/lib1funcs.asm.
5332 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5334 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5335 * config/sh/lib1funcs-Os-4-200.asm: New file.
5336 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5337 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5338 (EXTRA_MULTILIB_PARTS): Include it.
5339 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5340 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5341 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5342 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5345 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5347 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5348 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5349 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5351 * tree-ssa-live.h: Include vecprim.h.
5352 (tree_partition_associator_d): Change the type of
5353 first_partition to VEC(int,heap) *.
5354 (tpa_first_partition): Use VEC instead of VARRAY.
5356 * Makefile.in (GTFILES): Move functions.h after tree.h.
5357 * function.c (reset_block_changes, record_block_change,
5358 check_block_change, free_block_changes): Use VEC instead of
5360 * function.h (function): Change the type of
5361 ib_boundaries_block to VEC(tree,gc) *.
5362 * tree-inline.c (copy_cfg_body): Initialize
5363 ib_boundaries_block to NULL instead of (varray_type) 0.
5365 2006-04-12 Roger Sayle <roger@eyesopen.com>
5367 * expr.c (emit_group_store): Correct operand order in call to
5368 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5369 a SUBREG_BYTE of zero.
5371 2006-04-12 Richard Guenther <rguenther@suse.de>
5373 * profile.c (compute_branch_probabilities): Remove code
5374 encapsulated in !ir_type (), which are remanents of the
5375 removed RTL profiling code.
5376 * rtl-profile.c: Remove.
5378 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5380 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5381 magic NULL_RTX comment.
5382 (function_arg): Store entire fp arg to mem if any part should go
5384 (rs6000_arg_partial_bytes): Adjust for above change.
5386 2006-04-11 Roger Sayle <roger@eyesopen.com>
5388 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5389 if it hasn't been initialized by dwarf2out_init.
5391 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5393 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5394 symbolic constants in branch patterns.
5396 2006-04-11 Roger Sayle <roger@eyesopen.com>
5398 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5400 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5402 PR rtl-optimization/27073
5403 * gcse.c (try_replace_reg): Revert last change. Continue to search
5404 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5407 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5409 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5410 aggregate types other than record and union types.
5411 (function_arg): Likewise.
5412 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5414 (function_value): In 64-bit mode, return objects that require it
5417 2006-04-11 Roger Sayle <roger@eyesopen.com>
5419 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5421 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5423 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5425 2006-04-03 Jeff Law <law@redhat.com>
5428 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5429 alias information too.
5431 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5433 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5435 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5438 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5439 (premark_used_types_helper): New.
5440 (premark_used_types): New.
5441 (gen_subprogram_die): Call premark_used_types.
5442 (prune_unused_types_walk): Do not prune perennial dies.
5443 * function.c (used_types_insert): New.
5444 * function.h (struct function): Add used_types_hash field.
5445 (used_types_insert): Add prototype.
5446 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5447 * c-parser.c (c_parser_cast_expression): Save casted types in used
5450 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5453 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5454 rs6000_explicit_options.float_gprs.
5456 2006-04-10 Roger Sayle <roger@eyesopen.com>
5458 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5459 from ix86_expand_vector_init_low_nonzero. Take an additional
5460 one_var argument indicating which element is non-zero. Support
5461 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5462 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5463 with one_var instead of ix86_expand_vector_init_low_nonzero.
5465 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5467 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5468 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5469 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5470 build/genextract.o): Depend on vecprim.h.
5471 * cfglayout.c, df-problems.c, function.c, genextract.c,
5472 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5473 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5477 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5479 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5480 Declare VECs of this type.
5481 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5482 (remove_children): Delete.
5483 (add_dwarf_attr): Use VEC routines.
5484 (add_AT_flag): Update for changes to add_dwarf_attr.
5485 (add_AT_int): Likewise.
5486 (add_AT_unsigned): Likewise.
5487 (add_AT_long_long): Likewise.
5488 (add_AT_vec): Likewise.
5489 (add_AT_string): Likewise.
5490 (add_AT_die_ref): Likewise.
5491 (add_AT_fde_ref): Likewise.
5492 (add_AT_loc): Likewise.
5493 (add_AT_loc_list): Likewise.
5494 (add_AT_addr): Likewise.
5495 (add_AT_lbl_id): Likewise.
5496 (add_AT_lineptr): Likewise.
5497 (add_AT_macptr): Likewise.
5498 (add_AT_offset): Likewise.
5499 (add_AT_range_list): Likewise.
5500 (get_AT): Use VEC_iterate.
5501 (remove_AT): Use VEC_ordered_remove.
5502 (free_die): Fold remove_children into here; have it use VEC_iterate.
5503 (print_die): Use VEC_iterate on attrs.
5504 (reverse_die_lists): Don't reverse attr lists.
5505 (die_checksum): Use VEC_iterate on attrs.
5506 (same_die_p): Likewise.
5507 (output_location_lists): Likewise.
5508 (build_abbrev_table): Likewise.
5509 (size_of_die): Likewise.
5510 (unmark_all_dies): Likewise.
5511 (output_abbrev_section): Likewise.
5512 (output_die): Likewise.
5513 (prune_unused_types_walk_attribs): Likewise.
5515 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5517 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5519 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5522 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5524 2006-04-09 Roger Sayle <roger@eyesopen.com>
5526 * expr.c (store_constructor): Don't bother clearing target if
5527 we're about to assign a vector to it using vec_init_optab.
5529 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5531 * tree-ssa-alias.c (lhs_may_store_to): New function.
5532 (recalculate_used_alone): Handle LHS of calls.
5534 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5538 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5539 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5540 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5541 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5542 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5543 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5544 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5545 stubs. Add ".align 8" directives before all ".dword" directives.
5546 (GTHREAD_USE_WEAK): Revise comment.
5547 (TARGET_ATTRIBUTE_WEAK): Define.
5548 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5549 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5550 * stublib.c: New file.
5555 * pa.md (cbranch patterns): Revise arguments used in calls to
5556 output_cbranch, output_bb and output_bvd. Add long branch length
5558 (fbranch patterns): Handle long branches.
5559 (jump): Revise length check. Revise arguments for output_lbranch call.
5560 Add long branch length attributes.
5561 (decrement_and_branch_until_zero): Add long branch length attributes.
5562 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5563 Likewise. Revise arguments for output_parallel_addb and
5564 output_parallel_movb calls.
5565 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5566 output_parallel_movb and output_parallel_addb): Update prototypes.
5567 * pa.c (output_cbranch): Revise arguments. Correct handling of
5568 nullification in long branches.
5569 (output_lbranch): Add new argument to control extraction of delay
5571 (output_bb): Handle long branches.
5572 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5573 output_parallel_addb): Likewise.
5575 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5577 PR rtl-optimization/27073
5578 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5581 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5583 * tree.h (tree_memory_tag): Add old_used_alone.
5584 (SMT_OLD_USED_ALONE): New macro.
5585 * tree-ssa-alias.c (recalculate_used_alone): Stop
5586 marking things for renaming unnecessarily.
5588 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5590 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5591 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5592 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5593 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5594 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5595 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5596 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5597 spelling convensions.
5598 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5599 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5600 typos. Follow spelling conventions.
5602 2006-04-07 DJ Delorie <dj@redhat.com>
5604 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5605 passed on the stack.
5606 (m32c_init_cumulative_args): When a function returns a structure,
5607 always pass the pointer to that return area on the stack.
5608 (m32c_function_arg_advance): Don't increment the parameter number
5609 if we're processing the returned structure pointer.
5610 (pushm_info): Reverse order of registers.
5612 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5614 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5615 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5616 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5617 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5619 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5620 chrec_fold_multiply): Same.
5621 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5622 force_expr_to_var_cost): Same.
5623 * tree-mudflap.c (mf_xform_derefs_1): Same.
5624 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5626 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5628 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5629 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5632 2006-04-07 Jan Hubicka <jh@suse.cz>
5634 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5636 2006-04-07 Richard Guenther <rguenther@suse.de>
5638 PR tree-optimization/26135
5639 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5640 loads for store copy-prop.
5641 (copy_prop_visit_stmt): Likewise.
5643 2006-04-05 Robert Millan <robertmh@gnu.org>
5645 * config/i386/linux.h: Add a comment to mark macros that are
5646 being overriden in config/k*bsd-gnu.h.
5647 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5649 * config/knetbsd-gnu.h: Ditto.
5651 2006-04-06 Jan Hubicka <jh@suse.cz>
5655 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5658 2006-04-06 Mike Stump <mrs@apple.com>
5660 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5661 for HAVE_nonlocal_goto to be consistent.
5662 (expand_builtin_nonlocal_goto): Likewise.
5663 (expand_builtin_strcmp): Use #ifdef instead of #if
5664 for HAVE_cmpstrnsi to be consistent.
5666 2006-04-05 DJ Delorie <dj@redhat.com>
5668 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5671 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5673 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5674 got-relative addressing for anything but SImode.
5676 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5677 even if the calling function doesn't modify them.
5679 2006-04-05 Richard Guenther <rguenther@suse.de>
5681 PR tree-optimization/26919
5682 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5683 to cgraph_estimate_size_after_inlining.
5685 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5687 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5689 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5691 PR tree-optimization/26996
5692 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5693 VECTOR_TYPE variables.
5695 2006-04-05 Richard Guenther <rguenther@suse.de>
5697 PR tree-optimization/26763
5698 * fold-const.c (fold_comparison): Move folding of
5699 PTR + CST CMP PTR + CST ...
5700 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5702 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5704 * doc/install.texi (Prerequisites): Refine some wording on
5705 bootstrapping and ksh.
5706 Move the version numbers of DejaGnu here from the testing section
5707 and fix casing of names.
5708 Fix markup and clarify wording for autogen requirements.
5709 Refer to GCJ instead of just java.
5710 Refer to SVN instead of CVS.
5711 Describe diffutils as useful instead of necessary.
5712 (Downloading the source): Refer to SVN instead of CVS.
5713 Adjust a link to our web site accordingly.
5714 (Configuration): Fix casing of Bison.
5715 (Building): Refer to SVN instead of CVS.
5716 Fix a sentence on the use of Bison and remove duplicate (and
5717 incorrect) version number of Bison requirement.
5718 Remove one redundant list of packages needed for building.
5719 (Specific): Avoid reference to CVS.
5721 2006-04-04 Eric Christopher <echristo@apple.com>
5723 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5724 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5725 (rs6000_handle_struct_attribute): New.
5726 (rs6000_ms_bitfield_layout_p): Ditto.
5728 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5730 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5731 NULL for dso parameter to atexit_common.
5733 2006-04-04 Eric Christopher <echristo@apple.com>
5735 * config/i386/i386.c (machopic_output_stub): Output \t
5736 between instructions and operands.
5738 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5740 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5741 satisfies_constraint_[IL] to explicit tests on value.
5743 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5745 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5746 set_nb_iterations_in_loop): Use build_int_cst instead of
5748 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5749 build_int_cst instead of convert.
5751 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5753 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5754 new value 2 for incoming.
5755 * function.c (expand_function_start): Call struct_value_rtx
5757 * config/sparc/sparc.md: Comment updated_return.
5758 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5759 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5760 struct return if sparc_std_struct_return and incoming is 2.
5761 (print_operand): Do not adjust return if
5762 sparc_std_struct_return.
5764 2006-04-04 Roger Sayle <roger@eyesopen.com>
5766 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5767 convert in the middle-end.
5768 * expr.c (store_expr, store_constructor, get_inner_reference,
5769 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5771 * tree.c (build_range_type): Likewise.
5773 2006-04-04 Tom Tromey <tromey@redhat.com>
5775 * doc/install.texi (Prerequisites): Mention jar.
5777 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5779 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5782 2006-04-04 Matthias Klose <doko@debian.org>
5784 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5785 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5788 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5790 * doc/extend.texi (Function Attributes): Rewrite visibility
5791 attribute documentation.
5792 * doc/invoke.texi (C++ Dialect Options): Rewrite
5793 -fvisibility-inlines-hidden documentation to describe something
5794 entirely different, although in practise compatible.
5795 (Code Gen Options): Warn about system headers in -fvisibility=
5798 * doc/extend.texi (Other Builtins): Document that
5799 __builtin_nan is a compile-time constant only when its argument
5802 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5804 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5805 trying to remove TRUNCATE check if all bits outside the new mode
5806 are identical to the sign bit.
5808 2006-04-03 Jeff Law <law@redhat.com>
5810 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5811 and operand scanning in some common cases.
5813 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5814 Dale Johannesen <dalej@apple.com>
5817 * regclass.c (struct reg_pref): Update documentation.
5818 (regclass): Set prefclass to NO_REGS if memory is the best option.
5819 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5820 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5821 into account. For non-registers, equate an empty preferred
5822 reload class to a `!' in the constraint; move the if clause to
5823 do so after those that reject the insn.
5824 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5826 (find_dummy_reload): Likewise.
5827 * doc/tm.texi (Register Classes): Document what it means
5828 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5829 * config/i386/i386.c (ix86_preferred_reload_class): Force
5830 using SSE registers (and return NO_REGS for floating-point
5831 constants) if math is done with SSE.
5832 (ix86_preferred_output_reload_class): New.
5833 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5834 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5835 * config/i386/i386.md: Remove # register preferences.
5837 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5840 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5841 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5842 the type of nb_iter.
5843 (instantiate_parameters_1): Convert the operands before calling
5844 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5845 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5847 2006-04-02 Roger Sayle <roger@eyesopen.com>
5849 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5850 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5852 * dojump.c (do_jump): Likewise.
5853 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5854 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5855 gimplify_boolean_expr): Likewise.
5856 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5857 * varasm.c (array_size_for_constructor): Likewise.
5858 * tree-object-size.c (compute_object_offset): Likewise.
5860 2006-04-02 Roger Sayle <roger@eyesopen.com>
5863 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5864 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5866 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5868 PR tree-optimization/26939
5869 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5871 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5873 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5874 at_stmt. Convert the type of operands before calling
5875 build_polynomial_chrec.
5876 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5878 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5879 (instantiate_parameters_1): Convert the type of operands before calling
5880 build_polynomial_chrec.
5881 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5882 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5883 reset_evolution_in_loop): Insert asserts to check the types of the
5885 (chrec_type): Moved...
5886 (eq_evolutions_p): Use operand_equal_p.
5887 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5888 the types of the operands.
5889 (chrec_type): ...here.
5890 * tree-data-ref.c (create_data_ref): Convert the operands before
5891 calling chrec_replace_initial_condition.
5892 (same_access_functions, analyze_subscript_affine_affine,
5893 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5894 (compute_subscript_distance, analyze_ziv_subscript,
5895 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5896 analyze_miv_subscript): Convert the operands before calling
5897 chrec_fold_minus or chrec_fold_plus.
5899 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5901 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5902 the dependence_relations vector.
5903 (compute_data_dependences_for_loop): Adjust call to
5904 compute_all_dependences.
5906 2006-04-01 Roger Sayle <roger@eyesopen.com>
5907 Richard Henderson <rth@redhat.com>
5909 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5910 gimple_boolify on the condition before calling gimplify_expr.
5912 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5914 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5915 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5916 the frame size. Update to use the new macros.
5917 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5918 * config/xtensa/ieee754-df.S: Likewise.
5920 2006-03-31 Richard Henderson <rth@redhat.com>
5922 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5923 (make_edges): ... here. Control fallthru creation with a local
5924 variable. Do not play with fake edges.
5925 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5926 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5929 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5931 * dwarf2.h (DW64_CIE_ID): Define.
5932 * dwarf2out.c (DWARF_CIE_ID): Define.
5933 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5934 length header. Use DWARF_CIE_ID.
5935 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5936 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5938 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5940 * config/sh/linux-atomic.asm: New file.
5941 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5943 2006-03-31 DJ Delorie <dj@redhat.com>
5945 * config/m32c/cond.md: Set condition flags properly throughout.
5946 * config/m32c/minmax.md: Likewise.
5947 * config/m32c/prologue.md: Likewise.
5948 * config/m32c/bitops.md: Likewise.
5949 * config/m32c/muldiv.md: Likewise.
5950 * config/m32c/mov.md: Likewise.
5951 * config/m32c/addsub.md: Likewise.
5952 * config/m32c/m32c.md: Likewise.
5953 * config/m32c/jump.md: Likewise.
5954 * config/m32c/shift.md: Likewise.
5956 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5957 conditionally output the pattern for this.
5958 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5959 (m32c_compare_redundant): New.
5960 (m32c_output_compare): New.
5961 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5963 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5964 dest, not src. Allow other 4-byte modes.
5966 2006-03-30 Denis Chertykov <denisc@overta.ru>
5968 * doc/md.texi: Refer to avr/constraints.md instead of
5971 2006-03-30 Roger Sayle <roger@eyesopen.com>
5973 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5974 signed vs. unsigned comparison failures on some hosts.
5976 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5979 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5980 change to FLOAT_REGS.
5982 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5983 (rs6000_override_options): Use it.
5984 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5985 only for -mabi=spe/no-spe and -mabi=altivec.
5987 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5989 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5992 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5994 * Makefile.in: Rename docdir to gcc_docdir.
5996 2006-03-30 Roger Sayle <roger@eyesopen.com>
5999 * expr.c (emit_group_store): Optimize group stores into a pseudo
6000 register by using a paradoxical subreg to initialize the destination
6001 if the first or last member of the group specifies a "low part".
6003 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6006 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6007 * target.h (struct gcc_target.speculate_insn): Change type of the
6008 second parameter to 'int'.
6009 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6010 the second operand of the DEPS_LIST.
6011 (copy_DEPS_LIST_list): Update reference to the second operand of the
6013 * rtl.h (alloc_DEPS_LIST): Update signature.
6014 * sched-int.h (ds_t): Change typedef to 'int'.
6015 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6017 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6019 * haifa-sched.c (try_ready): Change condition to restore
6020 non-speculative pattern of the instruction.
6021 (process_insn_depend_be_in_spec): Code to keep probability of the
6022 speculative dependence non-decreasing.
6024 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6026 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6027 (single_move_for_movmem): ... this. Also change all uses.
6028 (bfin_expand_strmov): Renamed to...
6029 (bfin_expand_movmem): ... this. Also change all uses.
6030 * config/bfin/bfin.md (movstrsi): Renamed to...
6031 (movstrsi): ...this.
6033 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6035 PR tree-optimization/26830
6037 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6038 (copy_prop_visit_stmt): Remove write-only variable ann.
6039 (init_copy_prop): Check variable loop depth here. Do not simulate
6040 memory-tag and virtual operand PHIs except for store copy prop.
6042 2006-03-30 Richard Guenther <rguenther@suse.de>
6044 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6045 variants with double arguments.
6047 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6049 * genpreds.c (write_tm_constrs_h): Delete variable p.
6050 * genconditions.c (write_header): Add tm-constrs.h to included
6052 * genpeep.c (main): Add toplev.h to included headers.
6053 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6054 (build/genpeep.o): Add toplev.h dependency.
6055 * config/rs6000/constraints.md: Add "W" constraint.
6057 2006-03-29 Roger Sayle <roger@eyesopen.com>
6059 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6060 sizes by correctly testing whether the size fits a host integer.
6061 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6062 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6063 SImode range for the default sizetype and bitsizetype.
6065 2006-03-29 Roger Sayle <roger@eyesopen.com>
6067 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6068 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6069 quickly if the argument is already of the correct type.
6070 Call fold_build1 instead of build1. Tidy up blank lines.
6072 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6074 * genemit.c (main): Add tm-constrs.h to included headers.
6075 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6076 * genpeep.c (main): Add tm-constrs.h to included headers.
6077 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6078 (write_tm_constrs_h): this and write complete file.
6079 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6080 (write_insn_preds_c): Add tm-constrs.h to included headers.
6081 (gen_constrs): New variable.
6082 (parse_option): Parse "-c".
6083 (main): Invoke write_tm_constrs_h.
6084 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6085 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6086 (object_out_file): Add tm-constrs.h dependency.
6087 (insn-emit.o): Same.
6088 (insn-output.o): Same.
6089 (insn-peep.o): Same.
6090 (insn-preds.o): Same.
6091 (insn-recog.o): Same.
6092 (tm-constsr.h): New target.
6093 (s-constrs-h): New target.
6095 * config/rs6000/constraints.md: New file.
6096 * config/rs6000/rs6000.c: Include tm-constrs.h.
6097 (num_insn_constant_wide): Convert to satisfies_constraint.
6098 (rs6000_rtx_costs): Convert to satisfies_constraint.
6099 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6100 (CONST_OK_FOR_LETTER_P): Delete.
6101 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6102 (EXTRA_CONSTRAINT): Delete.
6103 (EXTRA_MEMORY_CONSTRAINT): Delete.
6104 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6105 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6106 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6107 satisfies_constraint.
6109 * config/i386/i386.c: Include tm-constrs.h.
6111 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6113 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6114 * tree-data-ref.c (find_data_references_in_loop,
6115 compute_data_dependences_for_loop): Use pointers to VEC.
6116 (analyze_all_data_dependences): Adjust calls.
6117 * tree-data-ref.h (find_data_references_in_loop,
6118 compute_data_dependences_for_loop): Adjust declarations.
6119 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6120 compute_data_dependences_for_loop.
6122 2006-03-29 Paul Brook <paul@codesourcery.com>
6124 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6127 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6129 PR tree-optimization/26859
6130 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6132 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6133 for the step after fold_convert.
6135 2006-03-29 Paul Brook <paul@codesourcery.com>
6137 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6138 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6140 2006-03-29 Paul Brook <paul@codesourcery.com>
6143 * targhooks.c (default_narrow_bitfield): New fuction.
6144 * targhooks.h (default_narrow_bitfield): add prototype.
6145 * target.h (gcc_target): Add narrow_volatile_bitfield.
6146 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6147 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6148 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6149 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6151 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6153 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6155 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6156 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6157 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6158 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6159 (s390_function_arg_float): Allow SDmode and DDmode values to be
6160 passed in floating point registers.
6161 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6162 check with SCALAR_FLOAT_MODE_P.
6163 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6165 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6167 PR tree-optimization/25985
6168 * tree-ssa-loop-niter.c (number_of_iterations_le,
6169 number_of_iterations_ne): Make comments more precise.
6170 (number_of_iterations_cond): Add only_exit argument. Use the
6171 fact that signed variables do not overflow only when only_exit
6173 (loop_only_exit_p): New.
6174 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6175 number_of_iterations_cond.
6177 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6179 PR tree-optimization/26643
6180 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6183 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6185 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6186 (divsi3_i4_int): Likewise.
6188 2006-03-28 Roger Sayle <roger@eyesopen.com>
6190 * expr.c (emit_group_store): Only create a new pseudo reg if the
6191 quantity it needs to hold isn't already a suitable pseudo.
6193 2006-03-28 Jeff Law <law@redhat.com>
6195 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6196 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6198 2006-03-28 Roger Sayle <roger@eyesopen.com>
6200 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6201 the equivalent ~X & Y, and the symmetry related transformations.
6202 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6203 ~X & Y, and symmetry related transforms.
6205 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6207 Revert my 2006-03-27 patches.
6209 2006-03-28 Roger Sayle <roger@eyesopen.com>
6211 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6212 ~(T1)X, when T1 and T2 are integer types of the same precision
6213 and (T2)X isn't an extension.
6215 2006-03-28 Jeff Law <law@redhat.com>
6217 PR tree-optimization/26796
6218 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6219 need EH edge cleanups rather than purging them immediately.
6220 (eliminate_degenerate_phis): Handle queued EH cleanups.
6222 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6224 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6227 2006-03-27 Roger Sayle <roger@eyesopen.com>
6230 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6231 cast BIT_NOT_EXPR operand to the correct type.
6233 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6235 * tree-loop-linear.c: Don't include varray.h.
6236 (gather_interchange_stats, try_interchange_loops,
6237 linear_transform_loops): Use VEC instead of VARRAY.
6238 * lambda-mat.c: Don't include varray.h.
6239 * tree-chrec.c: Same.
6240 * lambda-trans.c: Same.
6241 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6242 VEC instead of VARRAY.
6243 * tree-vectorizer.h: Idem.
6244 * tree-data-ref.c (dump_data_references,
6245 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6246 initialize_data_dependence_relation, finalize_ddr_dependent,
6247 compute_all_dependences, find_data_references_in_loop,
6248 compute_data_dependences_for_loop, analyze_all_data_dependences,
6249 free_dependence_relation, free_dependence_relations,
6250 free_data_refs): Idem.
6251 * tree-data-ref.h (data_reference_p, subscript_p): New.
6252 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6253 VEC instead of VARRAY.
6254 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6255 (find_data_references_in_loop, compute_data_dependences_for_loop,
6256 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6257 dump_data_dependence_relations, free_dependence_relations,
6258 free_data_refs): Adjust declaration.
6259 (lambda_transform_legal_p): Move declaration here...
6260 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6261 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6262 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6263 vect_analyze_data_refs): Use VEC instead of VARRAY.
6264 * lambda.h (lambda_transform_legal_p): ...from here.
6265 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6266 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6267 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6268 tree-chrec.o): Don't depend on VARRAY_H.
6270 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6272 * rtl.def (Copyright): Update date.
6273 (DEPS_LIST): Change type of the second operand to 'int'.
6274 * target.h (Copyright): Update date.
6275 (struct gcc_target.speculate_insn): Change type of the second parameter
6277 * lists.c (Copyright): Update date.
6278 (alloc_DEPS_LIST): Change signature. Update reference to the second
6279 operand of the DEPS_LIST.
6280 (copy_DEPS_LIST_list): Update reference to the second operand of the
6282 * rtl.h (Copyright): Update date.
6283 (alloc_DEPS_LIST): Update signature.
6284 * sched-int.h (Copyright): Update date.
6285 (ds_t): Change typedef to 'int'.
6286 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6288 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6290 * haifa-sched.c (Copyright): Update date.
6291 (try_ready): Change condition to restore non-speculative pattern
6293 (process_insn_depend_be_in_spec): Code to keep probability of the
6294 speculative dependence non-decreasing.
6296 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6298 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6299 shut up the compiler.
6301 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6303 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6304 to use lib prefix for target.
6305 ($(T)libic_invalidate_array_4-200.a): Likewise.
6306 ($(T)libic_invalidate_array_4a.a): Likewise.
6308 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6309 J"orn Rennecke <joern.rennecke@st.com>
6311 * superh.opt: New file.
6312 * sh.c (boardtype, osruntime): Remove.
6313 * superh.h (SUBTARGET_OPTIONS): Remove.
6314 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6316 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6317 arguments with ^ and/or [].
6319 * config.gcc (sh-*-*): Add quoting to account for quirk of
6321 Replace == with = in enable_incomplete_targets test.
6323 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6324 with MASK_LITTLE_ENDIAN.
6326 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6327 * config/sh/sh.opt: Added to some comments.
6328 * config/sh/superh.h: Removed some chaff.
6330 * config/sh/sh.opt: Add m4-[1234]00* options.
6331 * config/sh/sh.c (sh_handle_option): Likewise.
6332 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6333 (ic_invalidate_array_4-100.o): New rule.
6334 ($(T)libic_invalidate_array_4-100.a): Likewise.
6335 (ic_invalidate_array_4-200.o): Likewise.
6336 ($(T)libic_invalidate_array_4-200.a): Likewise.
6337 (ic_invalidate_array_4a.o): Likewise.
6338 ($(T)libic_invalidate_array_4a.a): Likewise.
6339 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6340 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6342 * config/sh/crt1.asm: Merged in profiling code.
6343 * config/sh/superh.h (STARTFILE_SPEC): Override.
6344 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6345 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6346 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6348 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6349 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6350 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6352 * sh.opt (mpretend-cmove): New option.
6353 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6354 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6355 (movsicc): Add TARGET_PRETEND_CMOVE code.
6357 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6359 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6360 s390_class_max_nregs): New function prototypes.
6361 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6362 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6363 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6364 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6366 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6368 * dwarf2out.c (add_location_or_const_value_attribute): Call
6369 tree_add_const_value_attribute if nothing else works.
6370 (reference_to_unused): New.
6371 (rtl_for_decl_init): Use reference_to_unused to decide whether
6372 to output an initializer.
6374 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6377 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6378 peephole removing spe frob_di_df_2.
6380 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6382 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6383 (subscript_dependence_tester_1): Declared.
6384 (print_dir_vectors, print_dist_vectors): New.
6385 (debug_data_dependence_relation): New.
6386 (dump_data_dependence_relation): Print more details.
6387 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6388 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6389 (save_dist_v, save_dir_v, add_outer_distances,
6390 build_classic_dist_vector_1): New.
6391 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6392 Don't test for lambda_vector_lexico_pos.
6393 (same_access_functions, add_multivariate_self_dist,
6394 add_other_self_distances, dir_from_dist): New.
6395 (build_classic_dir_vector): Replace implementation almost identical to
6396 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6398 (subscript_dependence_tester_1): New.
6399 (subscript_dependence_tester): Handle the lexicographically negative
6400 distance vectors by recomputing the dependence relation.
6401 (compute_affine_dependence): Remove parameter loop_nest_depth.
6402 (compute_self_dependence): Don't call compute_subscript_distance.
6403 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6404 Add a parameter for the loop_nest.
6405 (find_loop_nest_1, find_loop_nest): New.
6406 (compute_data_dependences_for_loop): Compute the loop nest, and give
6407 up if the nest is not well formed.
6408 * tree-data-ref.h (loop_p): New.
6409 (struct data_dependence_relation): Replace size_vect field with
6410 loop_nest, a vec of loops.
6411 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6412 (DDR_LOOP_NEST): New.
6413 (print_dir_vectors, print_dist_vectors,
6414 debug_data_dependence_relation): Declared.
6415 (index_in_loop_nest): New.
6416 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6417 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6420 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6422 * simplify-rtx.c (simplify_relational_operation): Call
6423 simplify_relational_operation_1 even if mode is VOIDmode.
6425 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6427 PR tree-optimization/26804
6428 * tree.h (DECL_CALL_CLOBBERED): New macro.
6429 (tree_decl_common): Add call_clobbered_flag.
6430 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6431 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6432 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6433 (mark_non_addressable): Ditto.
6434 * tree-ssa.c (verify_call_clobbered): New function.
6435 (verify_alias_info): Use it.
6436 * tree-pass.h (pass_reset_cc_flags): New prototype.
6437 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6438 (reset_cc_flags): New function.
6439 * passes.c (init_optimization_passes): Call reset_cc_flags after
6440 initializing referenced_vars.
6442 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6443 Roger Sayle <roger@eyesopen.com>
6446 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6447 to 1.0 for non-real operands. Implement A / A optimization for
6450 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6452 * config/i386/i386.c (size_cost): Correct the comment for
6453 cost of storing fp registers.
6454 (i386_cost): Likewise.
6455 (i486_cost): Likewise.
6456 (pentium_cost): Likewise.
6457 (pentiumpro_cost): Likewise.
6458 (k6_cost): Likewise.
6459 (athlon_cost): Likewise.
6460 (k8_cost): Likewise.
6461 (pentium4_cost): Likewise.
6462 (nocona_cost): Likewise.
6463 (generic64_cost): Likewise.
6464 (generic32_cost): Likewise.
6466 2006-03-24 Denis Chertykov <denisc@overta.ru>
6468 * config/avr/avr-protos.h (extra_constraint): Delete.
6469 (extra_constraint_Q): New declaration.
6470 * config/avr/constraints.md: New file.
6471 * config/avr/avr.md: Include it.
6472 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6473 (TMP_REGNO, ZERO_REGNO): Likewise.
6474 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6475 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6476 (extra_constraint): Delete.
6477 (extra_constraint_Q): Test for memory constraint 'Q'.
6478 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6479 (REG_CLASS_FROM_LETTER): Delete.
6480 (CONST_OK_FOR_LETTER_P): Delete.
6481 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6482 (EXTRA_CONSTRAINT): Delete.
6483 (TMP_REGNO): Delete.
6484 (ZERO_REGNO): Delete.
6486 2006-03-24 Jeff Law <law@redhat.com>
6488 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6489 directly. Call mark_new_vars_to_rename slightly earlier.
6491 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6493 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6495 (gen_compile_unit_die): Use new language types for Objective-C and
6497 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6498 DW_LANG_C_plus_plus.
6501 * config/t-darwin (crt3.o): Work around bug 26840.
6502 * config/darwin-crt3.c: Rewrite.
6503 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6505 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6507 * doc/invoke.texi: Document -femit-class-debug-always
6508 * common.opt: Add -femit-class-debug-always.
6510 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6512 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6513 index and base register.
6514 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6515 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6516 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6517 REGNO_OK_FOR_INDEX_P.
6518 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6520 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6521 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6522 REG_OK_FOR_BASE_P): Definitions removed.
6524 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6527 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6528 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6529 set yet or weren't marked as local yet.
6531 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6533 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6536 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6538 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6539 (rs6000_legitimate_small_data_p): Delete.
6540 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6541 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6542 and make static. Add forward declaration. Update uses.
6543 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6544 of offsettable_memref_p.
6545 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6546 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6548 2006-03-24 Jeff Law <law@redhat.com>
6550 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6551 around bug in immediate-use iterator.
6553 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6556 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6557 or __LITTLE_ENDIAN__.
6559 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6561 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6562 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6563 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6564 * config/sh/sh.opt (mdiv=): Amend description.
6565 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6566 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6567 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6568 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6569 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6570 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6571 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6572 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6573 TARGET_DIVIDE_CALL_FP.
6575 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6577 * haifa-sched.c (choose_ready): Fix type of the local variable.
6578 Move local variables. Add comment.
6579 (check_reg_live): Change signature. Make callable from debugger.
6580 * sched-int.h (check_reg_live): Update signature.
6581 * sched-ebb.c (check_reg_live): Update parameters.
6582 * sched-rgn.c (check_reg_live): Ditto.
6583 (region_head_or_leaf_p): Check pointer before dereferencing.
6584 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6585 before reload on optimization levels below 1.
6587 2006-03-23 Richard Henderson <rth@redhat.com>
6589 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6593 * config/alpha/predicates.md (local_symbolic_operand): Reject
6596 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6599 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6600 expressions which have overflowed constants.
6602 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6604 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6606 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6608 * cfgloopmanip.c (create_loop_notes): Removed.
6609 * final.c (final_scan_insn): Do not handle loop notes.
6610 * jump.c (squeeze_notes): Ditto.
6611 * cfglayout.c (skip_insns_after_block,
6612 duplicate_insn_chain): Ditto.
6613 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6615 * cfgloop.h (create_loop_notes): Declaration removed.
6617 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6619 * varasm.c (output_constant_pool): Restore fnname and fndecl
6621 (assemble_start_function): Adjust call accordingly.
6622 (assemble_end_function): Likewise.
6624 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6627 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6630 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6632 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6635 * system.h (ICE_EXIT_CODE): New macro.
6636 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6637 (diagnostic_action_after_output): Likewise.
6638 * gcc.c (fatal_ice): New function.
6639 (execute): Use it instead of fatal.
6640 (fancy_abort): Likewise.
6641 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6643 2006-03-22 Jeff Law <law@redhat.com>
6645 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6646 iv_analyze_result returning false.
6648 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6650 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6652 2006-03-22 Richard Henderson <rth@redhat.com>
6655 * except.c (duplicate_eh_regions_0): New.
6656 (duplicate_eh_region_1): Duplicate the children of the node as
6657 well as the node itself. Link them up properly.
6658 (duplicate_eh_region_2): Merge into ...
6659 (duplicate_eh_regions): ... here. Take copy_region argument, and
6660 copy only a sub-tree if asked. Simplify copying and fixup.
6661 (eh_region_outer_p): New.
6662 * except.h (duplicate_eh_regions): Update decl.
6663 (eh_region_outer_p): Declare.
6664 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6665 (lower_omp_master): Likewise.
6666 (lower_omp_ordered): Likewise.
6667 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6668 (move_stmt_r): Use it to remap labels. Handle recursion vs
6669 remap_decls_p properly.
6670 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6671 (find_outermost_region_in_block): New.
6672 (new_label_mapper): New.
6673 (move_sese_region_to_fn): Copy eh information to the new function
6675 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6677 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6680 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6682 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6683 into shared libraries.
6685 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6687 * doc/md.texi: Refer to i386/constraints.md instead of
6689 * config/i386/constraints.md: New file, extracted from...
6690 * config/i386/predicates.md: ...here.
6691 * config/i386/i386.md: Include constraints.md.
6693 2006-03-21 Jason Merrill <jason@redhat.com>
6695 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6698 * expr.c (init_block_move_fn): Force default visibility.
6699 (init_block_clear_fn): Likewise.
6700 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6701 * targhooks.c (default_external_stack_protect_fail): Likewise.
6703 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6705 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6706 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6707 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6708 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6709 (loadgp): Use mips_current_loadgp_style.
6710 (loadgp_noshared): New pattern.
6711 (sibcall_internal): Use MIPS_CALL.
6712 (sibcall_value_internal): Likewise.
6713 (sibcall_value_multiple_internal): Likewise.
6714 (call_internal): Likewise.
6715 (call_value_internal): Likewise.
6716 (call_value_multiple_internal): Likewise.
6717 (call_split): Use MIPS_CALL and add an 'S' constraint.
6718 (call_value_split): Likewise.
6719 (call_value_multiple_split): Likewise.
6720 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6721 (-mshared): New option.
6722 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6723 (mips_current_loadgp_style): Declare.
6724 * config/mips/mips.c (mips_classify_symbol): Avoid using
6725 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6726 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6727 TARGET_ABSOLUTE_ABICALLS.
6728 (override_options): Adjust comments. Improve the warning that is
6729 issued when -mabicalls and -G are used together.
6730 (mips_file_start): Remove comment.
6731 (mips_current_loadgp_style): New function.
6732 (mips_gnu_local_gp): New variable.
6733 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6735 (mips_output_function_prologue): Use mips_current_laodgp_style.
6736 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6737 the cprestore instruction.
6738 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6739 live for TARGET_ABSOLUTE_ABICALLS.
6740 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6741 (ASM_SPEC): Pass down -mshared and -mno-shared.
6742 (MIPS_CALL): New macro.
6743 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6745 * doc/invoke.texi (-mabicalls): Update documentation.
6746 (-mshared): Document.
6748 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6750 * config/ia64/unwind-hpux.c: New file.
6751 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6753 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6756 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6758 2006-03-21 Jeff Law <law@redhat.com>
6760 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6761 type conversions of a VR_VARYING source to a wider type.
6763 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6765 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6766 tm_file on Solaris 10 and later.
6767 (sparc64-*-solaris2*): Likewise.
6768 (sparc-*-solaris2*): Likewise.
6769 * config/sol26.h: Rename to config/sol2-6.h.
6770 * config/sol2-10.h: New file.
6772 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6775 * tree-ssa-pre.c (create_component_ref_by_pieces):
6778 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6781 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6782 return it immediately.
6784 2006-03-21 Michael Matz <matz@suse.de>
6786 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6788 (remove_arc, add_arc): Update num_out_arcs member.
6789 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6791 (cache_presence): New function.
6792 (compare_states_for_equiv): New function.
6793 (state_is_differed): Don't take number of outargs, adjust callers.
6794 Use new invariant for speeding up.
6795 (init_equiv_class): Create initial classes based on sorted
6797 (partition_equiv_class): Don't track out_arcs_num.
6798 (evaluate_equiv_classes): Call cache_presence on all states and
6801 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6803 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6804 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6805 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6806 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6808 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6809 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6810 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6811 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6812 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6814 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6815 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6816 (REGNO_REG_CLASS): ARGP is in PREGS.
6817 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6819 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6820 to deal with those addresses.
6821 * addresses.h: New file.
6822 * caller-save.c: Include "addresses.h".
6823 (init_caller_save): Use new base_reg_class function.
6824 * rtl-factoring.c: Include "addresses.h".
6825 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6826 * recog.c: Include "addresses.h".
6827 (preprocess_constraints): Use new base_reg_class function.
6828 * regrename.c: Include "addresses.h".
6829 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6830 functions. Keep track of a new var INDEX_CODE to compute valid
6832 (replace_oldest_value_addr): Likewise.
6833 (replace_oldest_value_mem): Use base_reg_class.
6834 * reload.c: Include "addresses.h".
6835 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6836 (find_reloads): Use new base_reg_class function.
6837 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6838 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6839 all callers and prototype changed.
6840 * reload1.c: Include "addresses.h".
6841 (maybe_fix_stack_asms): Use base_reg_class.
6842 * regclass.c: Include "addresses.h".
6843 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6844 (init_reg_autoinc): Use new base_reg_class function.
6845 (record_reg_classes): Likewise.
6846 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6847 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6848 Use new args to compute necessary class.
6850 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6851 regrename.o, rtl-factoring.o): Update dependencies.
6852 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6853 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6854 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6855 REG_OK_FOR_INDEX_P): Delete documentation.
6857 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6859 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6860 from V7 to V9 for Solaris 7 and above.
6862 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6864 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6865 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6866 argument pointers may not alias any other storage.
6867 * common.opt: Define option -fargument-noalias-anything.
6868 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6869 alias semantics is specified by flag_argument_noalias > 2.
6871 2006-03-20 Jeff Law <law@redhat.com>
6873 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6874 (pass_phi_only_cprop): Declare.
6875 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6877 * tree-ssa-dom.c (degenerate_phi_result): New function.
6878 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6879 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6880 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6881 (eliminate_degenerate_phis): Likewise.
6882 (pass_phi_only_cprop): New pass descriptor.
6883 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6884 support code. Callers updated.
6885 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6886 (store_copy_prop): Likewise.
6887 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6889 2006-03-20 Jason Merrill <jason@redhat.com>
6892 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6893 (push_visibility, pop_visibility): Likewise.
6894 * c-pragma.h: Declare them.
6896 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6898 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6900 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6901 parameter and use get_ebb_head_tail.
6902 (sh_md_init_global): Adjust uses of find_regmode_weight.
6904 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6906 * function.h (struct function) <x_tail_recursion_reentry>:
6907 Rename to x_stack_check_probe_note.
6908 (tail_recursion_reentry): Rename to stack_check_probe_note.
6909 * function.c: Replace tail_recursion_reentry with
6910 stack_check_probe_note everywhere.
6911 (expand_function_start): Only emit a note for
6912 stack_check_probe_note with -fstack-protect.
6913 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6915 * emit-rtl.c (remove_unnecessary_notes): Remove.
6916 (pass_remove_unnecessary_notes): Remove.
6917 * rtl.h (remove_unnecessary_notes): Remove prototype.
6918 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6919 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6920 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6922 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6925 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6926 (valid_in_set): Handle ARRAY_REF.
6927 Change "if min_variant or VH" to asserts.
6928 (create_component_ref_by_pieces): Handle ARRAY_REF.
6929 (create_expression_by_pieces): Likewise.
6930 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6932 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6934 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6935 is operand of switch, not str[0].
6937 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6939 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6940 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6942 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6944 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6945 end of insn_extra_address_constraint declaration.
6947 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6949 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6950 (no-sum-in-toc): Same.
6951 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6953 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6954 NO_FP_IN_TOC for -fPIC instead of mask.
6956 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6957 (BOOT_LDFLAGS): Delete.
6959 * config/rs6000/t-aix52: Same.
6961 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6962 (stmsi[345678]_power): New.
6964 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6966 * config/ia64/ia64.opt: Add empty line to end of file.
6968 2006-03-17 Richard Guenther <rguenther@suse.de>
6971 * builtins.c (get_pointer_alignment): For component style references
6972 adjust alignment to the component type alignment. Make sure
6973 to adjust alignment for component access of constants.
6975 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6977 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6980 2006-03-17 Paul Brook <paul@codesourcery.com>
6982 * doc/install.texi: Docuemnt --with-mode.
6983 * config.gcc: Add --with-mode for arm*-*-*.
6984 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6986 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6988 * sh.c (max_labelno_before_reorg): New variable.
6989 (sh_reorg): Initialize it.
6990 (find_barrier): Check max_labelno_before_reorg before using
6991 label_to_alignment. Take length of explicit alignment insns
6992 into account. When seeing a UNSPECV_CONST_END, return it.
6994 * sh.c (fixup_mova): Set mode of affected label to QImode.
6995 (untangle_mova): New function.
6996 (find_barrier): Use it. Check mode of label before decrementing
6998 (sh_reorg): Likewise.
6999 Set mode of all insns back to VOIDmode.
7001 * sh.c (MOVA_LABELREF): New macro.
7002 (mova_p, fixup_mova, sh_reorg): Use it.
7003 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7004 ADDR_DIFF_VEC matches mova.
7006 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7008 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7009 with ATTRIBUTE_UNUSED.
7011 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7013 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7014 pointer, instead of assuming it is possible to derive the
7015 correct args size from a call insn.
7017 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7019 * rtl.h (CONST_INT_P): Define.
7020 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7021 instead of GET_CODE(x) == CONST_INT.
7022 (vax_rtx_costs): Likewise.
7023 (vax_output_int_move): Likewise.
7024 (vax_output_int_add): Likewise.
7025 (legitimate_constant_address_p): Likewise.
7026 (index_term_p): Likewise.
7027 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7028 * config/vax/vax.md (and<mode>3): Likewise.
7029 (ashrsi3): Likewise.
7031 (movstricthi): Likewise.
7032 (movstrictqi): Likewise.
7033 (rotrsi3): Likewise.
7034 (five unnamed insns): Likewise.
7036 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7038 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7039 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7040 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7041 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7042 Pass to ASM_OUTPUT_DWARF_OFFSET.
7043 * dwarf2out.c (debug_frame_section): New.
7044 (output_call_frame_info): Use debug_frame_section. Pass it to
7045 dw2_asm_output_offset.
7046 (output_die): Pass appropriate section to dw2_asm_output_offset.
7047 (output_compilation_unit_header): Likewise.
7048 (output_pubnames): Likewise.
7049 (output_aranges): Likewise.
7050 (enum dw_val_class): Break dw_val_class_lbl_offset into
7051 dw_val_class_lineptr and dw_val_class_macptr.
7052 (add_AT_lbl_offset): Delete.
7053 (add_AT_lineptr): New.
7054 (add_AT_macptr): New.
7055 (AT_lbl): Expect a lineptr or macptr.
7056 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7057 (attr_checksum): Likewise.
7058 (same_dw_val_p): Likewise.
7059 (size_of_die): Likewise.
7060 (value_format): Likewise.
7061 (output_die): Likewise.
7062 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7064 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7065 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7066 * config/darwin-protos.h (darwin_file_start): New.
7067 (darwin_asm_output_dwarf_offset): New.
7068 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7069 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7071 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7072 if not EH section; simplify.
7073 (darwin_file_start): New.
7074 (darwin_asm_output_dwarf_offset): New.
7075 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7077 (DEBUG_INFO_SECTION): Likewise.
7078 (DEBUG_ABBREV_SECTION): Likewise.
7079 (DEBUG_ARANGES_SECTION): Likewise.
7080 (DEBUG_MACINFO_SECTION): Likewise.
7081 (DEBUG_LINE_SECTION): Likewise.
7082 (DEBUG_LOC_SECTION): Likewise.
7083 (DEBUG_PUBNAMES_SECTION): Likewise.
7084 (DEBUG_STR_SECTION): Likewise.
7085 (DEBUG_RANGES_SECTION): Likewise.
7086 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7087 (ASM_OUTPUT_DWARF_OFFSET): New.
7089 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7091 * config.gcc (tm_defines): Always add to previous value rather
7094 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7096 * config/mips/predicates.md (splittable_const_int_operand): New,
7097 split from move_operand.
7098 (splittable_symbolic_operand): New.
7099 (move_operand): Add commentary. Use splittable_const_int_operand.
7100 Inline mips_atomic_symbolic_constant_p.
7101 * config/mips/mips.md: Add combine splitters for handling moves
7102 of splittable_const_int_operands and splittable_symbolic_operands.
7103 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7104 (mips_split_symbol): Declare.
7105 (mips_move_integer): Declare.
7106 * config/mips/mips.c (mips_split_p): Make global.
7107 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7108 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7109 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7110 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7111 (mips_offset_within_object_p): Handle block symbols.
7112 (mips_atomic_symbolic_constant_p): Delete.
7113 (mips_cannot_force_const_mem): Return false for constants that
7114 mips_legitimize_move can handle.
7115 (mips_use_blocks_for_constant_p): New function.
7116 (mips_split_symbol): Make global.
7117 (mips_move_integer): Likewise. Add a temporary register argument.
7118 (mips_legitimize_const_move): Use splittable_const_int_operand and
7119 splittable_symbolic_operand.
7120 (mips_use_anchors_for_symbol_p): New function.
7121 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7122 (mips_split_p): Declare.
7124 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7126 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7127 (mips*-*-linux*): Likewise.
7129 2006-03-16 Roger Sayle <roger@eyesopen.com>
7130 Daniel Speyer <dspeyer@wam.umd.edu>
7133 * tree-dump.c (dump_real): New function.
7134 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7135 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7136 (tree-dump.o): Add $(REAL_H) to the dependencies.
7138 2006-03-16 Roger Sayle <roger@eyesopen.com>
7141 * real.c (real_from_string): If the mantissa is zero, don't bother
7142 parsing the exponent as the result should always be zero.
7144 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7146 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7148 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7150 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7151 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7152 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7153 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7154 ia64_sched_finish_global): New static functions to implement
7155 hooks from gcc_target.sched.
7156 (spec_check_no, max_uid, pending_data_specs): New static variables.
7157 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7158 ia64_spec_check_src_p): New static functions.
7159 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7160 (TARGET_SCHED_ADJUST_COST): Removed.
7161 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7162 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7163 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7164 TARGET_SCHED_GEN_CHECK,
7165 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7166 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7167 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7168 Fixed to handle speculation checks.
7169 (rtx_needs_barrier): Fixed to handle speculative loads and
7171 (ia64_variable_issue): Added code to count speculative loads and their
7173 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7175 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7177 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7179 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7180 (ia64_reorg): Reset stops_p to NULL after it is freed.
7181 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7182 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7183 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7185 (data_speculative, control_speculative, check_load): New attributes.
7186 (mov<mode>_advanced, mov<mode>_speculative,
7187 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7188 zero_extend<mode>di2_speculative,
7189 zero_extend<mode>di2_speculative_advanced): New patterns for
7190 data and control speculative loads.
7191 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7193 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7194 New pattern for data and control speculation checks.
7195 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7196 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7197 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7198 Auxiliary definitions for the patterns.
7199 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7200 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7202 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7204 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7205 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7206 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7207 New resource constraints.
7208 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7210 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7211 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7212 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7213 msched-in-control-spec, msched-ldc, msched-control-ldc,
7214 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7215 msched-prefer-non-control-spec-insns,
7216 msched-count-spec-in-critical-path): New flags to tune speculative
7218 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7219 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7220 msched-in-control-spec, msched-ldc, msched-control-ldc,
7221 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7222 msched-prefer-non-control-spec-insns,
7223 msched-count-spec-in-critical-path): Document new flags.
7225 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7227 * target.h (struct spec_info_def): New opaque declaration.
7228 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7229 speculate_insn, needs_block_p, gen_check,
7230 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7231 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7232 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7233 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7234 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7235 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7237 (TARGET_SCHED): Use new macros.
7238 * rtl.h (copy_DEPS_LIST_list): New prototype.
7239 * sched-int.h (struct sched_info): Change signature of new_ready field,
7240 adjust all initializations. New fields: add_remove_insn,
7241 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7242 region_head_or_leaf_p.
7243 (struct spec_info_def): New structure declaration.
7244 (spec_info_t): New typedef.
7245 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7246 recovery_block, orig_pat.
7247 (glat_start, glat_end): New variables declaraions.
7248 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7250 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7251 DETACH_LIFE_INFO, USE_GLAT.
7252 (enum SPEC_SCHED_FLAGS): New enumeration.
7253 (NOTE_NOTE_BB_P): New macro.
7254 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7255 attach_life_info, debug_spec_status, check_reg_live): New functions.
7256 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7257 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7259 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7260 * ddg.c (get_block_head_tail): Adjust all uses.
7261 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7262 (sms_sched_info): Initialize new fields.
7263 (contributes_to_priority): Removed.
7264 * haifa-sched.c (params.h): New include.
7265 (get_block_head_tail): Adjust all uses.
7266 (ISSUE_POINTS): New macro.
7267 (glat_start, glat_end): New global variables.
7268 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7269 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7270 old_last_basic_block, before_recovery, current_sched_info_var,
7271 rgn_n_insns, luid): New static variables.
7272 (insn_cost1): New function. Move logic from insn_cost to here.
7273 (find_insn_reg_weight1): New function. Move logic from
7274 find_insn_reg_weight to here.
7275 (reemit_notes, move_insn, max_issue): Change signature.
7276 (move_insn1): Removed.
7277 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7278 extend_bb): New static functions to support extension of scheduler's
7280 (generate_recovery_code, process_insn_depend_be_in_spec,
7281 begin_speculative_block, add_to_speculative_block,
7282 init_before_recovery, create_recovery_block, create_check_block_twin,
7283 fix_recovery_deps): New static functions to support
7284 generation of recovery code.
7285 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7286 restore_bb_notes, move_block_after_check, move_succs): New static
7287 functions to support ebb scheduling.
7288 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7289 functions to support handling of register live information.
7290 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7291 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7292 add_jump_dependencies): New static functions.
7293 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7294 consistancy checking.
7295 (debug_spec_status): New function to call from debugger.
7296 (priority): Added code to handle speculation checks.
7297 (rank_for_schedule): Added code to distinguish speculative instructions.
7298 (schedule_insn): Added code to handle speculation checks.
7299 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7300 Fixed to handle ebbs.
7301 (move_insn): Added code to handle ebb scheduling.
7302 (max_issue): Added code to use ISSUE_POINTS of instructions.
7303 (choose_ready): Added code to choose between speculative and
7304 non-speculative instructions.
7305 (schedule_block): Added code to handle ebb scheduling and scheduling of
7306 speculative instructions.
7307 (sched_init): Initialize new variables.
7308 (sched_finish): Free new variables. Print statistics.
7309 (try_ready): Added code to handle speculative instructions.
7310 * lists.c (copy_DEPS_LIST_list): New function.
7311 * sched-deps.c (extend_dependency_caches): New function. Move logic
7312 from create_dependency_caches to here.
7313 (get_dep_weak, ds_merge): Make global.
7314 * genattr.c (main): Code to output prototype for
7315 dfa_clear_single_insn_cache.
7316 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7317 (output_dfa_clean_insn_cache_func): Code to output
7318 dfa_clear_single_insn_cache function.
7319 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7321 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7323 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7324 New static variables.
7325 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7326 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7328 (ebb_sched_info): Initialize new fields.
7329 (get_block_head_tail): Adjust all uses.
7330 (compute_jump_reg_dependencies): Fixed to use glat_start.
7331 (schedule_ebb): Code to remove unreachable last block.
7332 (schedule_ebbs): Added code to update register live information.
7333 * sched-rgn.c (region_sched_info): Initialize new fields.
7334 (get_block_head_tail): Adjust all uses.
7335 (last_was_jump): Removed. Adjust users.
7336 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7337 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7338 Implement new hooks.
7339 (check_dead_notes1): New static function.
7340 (struct region): New fields: dont_calc_deps, has_real_ebb.
7341 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7342 (BB_TO_BLOCK): Fixed to handle EBBs.
7343 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7344 (ebb_head): New static variable.
7345 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7346 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7348 (compute_dom_prob_ps): New assertion.
7349 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7350 global_live_at_start.
7351 (init_ready_list): New assertions.
7352 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7353 (new_ready): Add support for BEGIN_CONTROL speculation.
7354 (schedule_insns): Fixed code that updates register live information
7356 (schedule_region): Fixed to handle EBBs.
7357 (init_regions): Use extend_regions and check_dead_notes1.
7358 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7359 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7360 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7361 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7362 TARGET_SCHED_GEN_CHECK,
7363 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7364 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7365 * doc/invoke.texi (max-sched-insn-conflict-delay,
7366 sched-spec-prob-cutoff): Document.
7368 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7370 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7371 inter_tick, queue_index.
7372 (struct sched_info): Change signature of init_ready_list field.
7373 Adjust all initializations.
7374 (RESOLVED_DEPS): New access macro.
7375 (ready_add): Remove prototype.
7376 (try_ready): Add prototype.
7377 * sched-rgn.c (init_ready_list): Use try_ready.
7378 (schedule_region): Initialize
7379 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7380 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7381 (init_ready_list): Use try_ready.
7382 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7383 * lists.c (remove_list_elem): Remove `static'.
7384 (remove_free_INSN_LIST_elem): New function.
7385 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7386 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7387 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7389 (readyp): New variable.
7390 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7391 change_queue_index, resolve_dep): New static functions.
7392 (try_ready): New function. Adjust callers in sched-rgn.c and
7393 sched-ebb.c to use it instead of ready_add.
7394 (clock_var): Move at the begining of file.
7395 (rank_for_schedule): Fix typo.
7396 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7397 (ready_lastpos): Enforce assertion.
7398 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7400 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7401 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7402 (queue_to_ready): Use free_INSN_LIST_list.
7403 (early_queue_to_ready): Fix typo.
7404 (schedule_block): Init readyp. Move init_ready_list call after the
7405 initialization of clock_var. Fix error in rejecting insn by
7406 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7407 that previously corrected INSN_TICKs. Add code for handling
7409 (set_priorities): Fix typo.
7410 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7411 Clarify comment and code that keeps current_sched_info->next_tail
7414 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7416 * sched-rgn.c (extend_rgns): New static function.
7417 (find_rgns): Use it.
7418 (gather_region_statistics, print_region_statistics): New static
7420 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7421 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7423 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7424 Andrey Belevantsev <abel@ispras.ru>
7426 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7427 * lists.c (unused_deps_list): New variable.
7428 (free_list): Add assertions to verify the proper distinguishing
7429 between INSN_LISTs and DEPS_LISTs.
7430 (find_list_elem, remove_list_elem, remove_list_node): New static
7432 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7433 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7434 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7435 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7437 (free_INSN_LIST_node): Likewise.
7438 * modulo-sched.c (current_sched_info): Initialize flags field.
7439 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7440 * rtl.def (DEPS_LIST): Define.
7441 * rtl.h: Declare new functions from lists.c.
7442 * sched-deps.c (spec_dependency_cache): New static variable.
7443 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7444 (add_dependence): Change return type to void. Move the logic to ...
7445 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7446 (delete_all_dependences): Add comment about forward_dependency_cache.
7447 Handle spec_dependency_cache. Handle DEPS_LISTs.
7448 (fixup_sched_groups): Clarify the change of priority of output
7449 and anti dependencies.
7450 (sched_analyze_2): Adjust add_dependence calls to create data
7451 speculative dependence.
7452 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7453 Adjust all callers. Handle DEPS_LISTS.
7454 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7455 presence of speculation.
7456 (init_dependency_caches, free_dependency_caches):
7457 Handle spec_dependency_cache.
7458 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7459 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7460 New static functions.
7461 (add_or_update_back_dep, add_or_update_back_forw_dep,
7462 add_back_forw_dep, delete_back_forw_dep): New functions.
7463 * sched-int.h (ds_t, dw_t): New typedefs.
7464 (struct sched_info): Add new field flags.
7465 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7466 Prototype new sched-deps.c functions.
7467 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7468 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7469 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7470 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7471 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7472 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7474 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7476 * sched-rgn.c (current_sched_info): Initialize flags field.
7477 (schedule_insns): Initialize current_sched_info before the sched_init
7479 * sched-ebb.c (current_sched_info): Initialize flags field.
7480 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7481 Call add_or_update_back_dep instead of add_dependence.
7482 Create control speculative dependencies.
7483 (schedule_insns): Initialize current_sched_info before the sched_init
7486 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7488 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7490 (sh_fallback_frame_state): Likewise.
7492 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7494 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7495 Do switch on default_use_cxa_atexit.
7496 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7497 * config/darwin-crt3.o: New.
7498 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7499 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7500 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7502 * config/rs6000/t-darwin: Move crt2.o building to here.
7503 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7504 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7507 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7509 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7510 from '! xxx' to '!xxx' for coding-style conformance.
7511 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7512 (EXTRA_CONSTRAINT): Likewise.
7513 * config/vax/vax.md (four unnamed insns): Likewise.
7515 2006-03-15 Paul Brook <paul@codesourcery.com>
7517 * config/arm/arm.c (minipool_pad): New.
7518 (add_minipool_forward_ref): Include pool alignment padding in address
7520 (push_minipool_fix): Set minipool_pad.
7521 (minipool_pad): Ditto.
7523 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7525 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7526 instead of GET_CODE() == MEM and REG_P() instead of
7528 (print_operand_address): Likewise.
7529 (vax_address_cost): Likewise.
7530 (vax_rtx_costs): Likewise.
7531 (vax_notice_update_cc): Likewise.
7532 (vax_output_int_add): Likewise.
7533 (INDEX_REGISTER_P): Likewise.
7534 (BASE_REGISTER_P): Likewise.
7535 (nonindexed_address_p): Likewise.
7536 (vax_mode_dependent_address_p): Likewise.
7537 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7538 (PRINT_OPERAND): Likewise.
7539 * config/vax/vax.md (ashlsi3): Likewise.
7540 (ashlsi3): Likewise.
7541 (some more unnamed insns): Likewise.
7543 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7545 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7546 iterator-style macro.
7547 (mark_control_dependent_edges_necessary): Update the use of
7548 EXECUTE_IF_CONTROL_DEPENDENT.
7550 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7552 * config/sh/predicates.md (cache_address_operand): Special.
7553 (ua_address_operand): Likewise.
7555 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7557 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7559 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7561 2006-03-15 Andreas Schwab <schwab@suse.de>
7563 * gensupport.c (identify_predicable_attribute): Don't free p_false
7564 when it is still in use.
7566 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7568 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7569 the default setting here.
7571 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7573 * tree-pass.h (pass_cfg): Remove.
7574 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7575 * passes.c (pass_cfg): Don't run it.
7577 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7579 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7580 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7582 (stack_regs_mentioned): Update the uses of
7583 stack_regs_mentioned_data. Don't access the array beyond its
7585 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7586 Don't include gt-reg-stack.h.
7588 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7589 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7591 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7594 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7597 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7599 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7601 2006-03-14 Richard Guenther <rguenther@suse.de>
7603 PR tree-optimization/26672
7604 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7607 2006-03-14 Richard Guenther <rguenther@suse.de>
7609 PR tree-optimization/26667
7610 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7611 node for the callees. Always allow inlining if it will shrink
7614 2006-03-14 Richard Guenther <rguenther@suse.de>
7617 * builtins.c (get_pointer_alignment): Prefer alignment
7618 information from decls over that from types.
7620 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7623 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7625 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7627 * config/rs6000/rs6000.opt (mdlmzb): New option.
7628 (msched-prolog, msched-epilog): Use Var not Mask.
7629 * doc/invoke.texi (-mdlmzb): Document.
7630 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7632 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7633 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7635 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7637 PR rtl-optimization/25739
7638 * bt-load.c (augment_live_range): Free tos pointer.
7640 * gensupport.c (identify_predicable_attribute): Free
7642 * gcov.c (create_file_names): Free name pointer.
7644 2006-03-13 Roger Sayle <roger@eyesopen.com>
7647 * stmt.c (emit_case_nodes): Handle the case where the index is a
7648 CONST_INT, where the comparison mode is specified by the index type.
7650 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7652 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7655 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7657 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7658 (*branch_fp_inverted): Likewise.
7660 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7663 * omp-low.c (expand_omp_for_generic): Mark istart0
7664 and iend0 as addressable.
7666 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7668 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7670 2006-03-13 Jeff Law <law@redhat.com>
7672 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7673 virtual operands are interesting.
7674 (vrp_visit_stmt): Corresponding changes.
7676 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7678 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7680 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7681 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7682 * config/bfin/crti.S: Use it instead of __PIC__.
7683 * config/bfin/crtn.S: Likewise.
7685 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7686 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7688 Lose 'G' modifier for call operand.
7689 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7690 recognize 'G' modifier.
7692 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7695 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7696 * stmt.c (expand_case): Likewise.
7698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7700 PR rtl-optimization/26254
7701 * loop-invariant.c (seq_insns_valid_p): New function.
7702 (move_invariant_reg): Only emit new code if it is valid.
7704 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7706 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7708 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7709 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7710 (commit_one_edge_insertion): Do not look for loop notes.
7712 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7714 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7715 flag_test_coverage out of loop.
7717 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7719 * final.c (shorten_branches): Remove outdated comment, and turn
7720 the if branch that guards it to continue.
7722 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7724 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7725 * cfgloop.h (struct loop): Remove unused fields.
7727 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7729 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7730 (-dL, -fdump-rtl-loop2): Update the dump file names
7732 * doc/invoke.texi: Update dump file names.
7734 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7736 * predict.c (estimate_probability): Remove.
7737 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7738 * basic-block.h (estimate_probability): Remove prototype.
7739 * passes.c (finish_optimization_passes): Dump branch prediction or
7740 profiling heuristics to the .profile tree dump.
7741 (init_optimization_passes): Unqueue pass_branch_prob.
7743 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7745 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7747 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7748 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7750 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7752 * function.h (frame_offset_overflow): Declare.
7753 * function.c (frame_offset_overflow): New function.
7754 (assign_stack_local_1): Call it to detect that the offset overflows.
7755 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7757 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7759 * config/sh/sh.c: Include alloc-pool.h.
7760 (label_ref_list_pool): New alloc pool.
7761 (label_ref_list_t): New type for lists of labels.
7762 (struct pool_node): Make wend a label_ref_list_t.
7763 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7765 (dump_table): Likewise.
7766 (sh_reorg): Set up the alloc pool before using add_constant and
7767 dump_table, and destroy it when finishing.
7769 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7771 * config/mips/mips.c: Remove redundant comment.
7773 2006-03-10 Jason Merrill <jason@redhat.com>
7776 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7777 the target was declared 'register'.
7779 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7781 * genpreds.c (write_insn_constraint_len): Change definition of
7782 insn_constraint_len to return size_t to match the declaration.
7784 2006-03-10 DJ Delorie <dj@redhat.com>
7786 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7788 (m32c_expand_insv): Fix test for an AND mask.
7790 2006-03-10 Richard Guenther <rguenther@suse.de>
7793 * builtins.c (get_pointer_alignment): Handle component
7794 references for field alignment.
7796 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7798 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7799 when building with libgloss.
7800 (sh*elf): Implement --without-fp option.
7801 (sh64-superh-linux*): Don't multilib.
7803 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7805 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7807 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7809 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7810 Set it when one of the replacement functions returned true.
7811 Return TODO_cleanup_cfg if cfgchanged is true.
7812 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7814 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7816 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7817 instead of gen_lowpart.
7819 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7821 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7823 (mips_output_order_conditional_branch): Declare.
7824 * config/mips/mips.h (MIPS_BRANCH): New macro.
7825 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7826 for the comparison. Use gen_condjump.
7827 (mips_output_conditional_branch): Rework interface to take the
7828 asm templates for a direct branch and the inverse of a direct branch.
7829 (mips_output_order_conditional_branch): New function.
7830 (mips_builtin_branch_and_move): New function.
7831 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7832 branch condition. Use gen_single_cc as the condition for
7833 __builtin_mips_upper_* or __builtin_mips_lower_*.
7834 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7835 Use VOIDmode for the branch condition.
7836 * config/mips/predicates.md (order_operator): New predicate.
7837 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7838 (branch_fp): Rename to...
7839 (*branch_fp): ...this. Remove mode from comparison operator.
7840 Use new mips_output_conditional_branch interface.
7841 (branch_fp_inverted): Rename to...
7842 (*branch_fp_inverted): ...this and update as for *branch_fp.
7843 (*branch_zero<mode>): Rename to...
7844 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7845 Use mips_output_order_conditional_branch. Only accept ordered
7847 (*branch_zero<mode>_inverted): Rename to...
7848 (*branch_order<mode>_inverted): ...this and update as for
7849 *branch_order<mode>.
7850 (*branch_equality<mode>): Accept zero as the second operand to
7851 the equality operator. Use the new mips_output_conditional_branch
7853 (*branch_equality<mode>_inverted): Likewise.
7854 (condjump): New expander.
7855 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7857 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7858 (bc1any2t, bc1any2f): Likewise.
7859 (single_cc): New expander.
7860 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7862 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7864 * doc/md.texi: Update documentation of MIPS constraints.
7865 * config/mips/constraints.md: New file.
7866 * config/mips/mips.md: Include it.
7867 * config/mips/mips.c (mips_char_to_class): Delete.
7868 (override_options): Don't initialize mips_char_to_class.
7869 * config/mips/mips.h (mips_char_to_class): Delete.
7870 (REG_CLASS_FROM_LETTER): Delete.
7871 (CONST_OK_FOR_LETTER_P): Delete.
7872 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7873 (EXTRA_CONSTRAINT_Y): Delete.
7874 (EXTRA_CONSTRAINT_STR): Delete.
7875 (CONSTRAINT_LEN): Delete.
7876 (EXTRA_MEMORY_CONSTRAINT): Delete.
7878 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7880 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7881 original fn's eh regions.
7883 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7885 * fold-const.c (build_range_check): Make sure to use a valid type to
7886 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7889 (range_predecessor): New static function.
7890 (range_successor): Likewise.
7891 (merge_ranges): Use them to compute predecessors and successors of
7894 2006-03-09 Roger Sayle <roger@eyesopen.com>
7897 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7898 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7900 2006-03-08 DJ Delorie <dj@redhat.com>
7902 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7903 (addpsi3): Expand to include memory operands. Remove
7904 reload-specific splits.
7905 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7906 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7907 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7908 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7909 (shift1_qi, shift1_hi, insv): New.
7910 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7911 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7912 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7914 * config/m32c/m32c-protos.h: Update as needed.
7915 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7916 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7917 Fail for unrecognized R* constraints.
7918 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7919 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7920 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7922 (m32c_init_libfuncs): New.
7923 (m32c_legitimate_address_p): Add debug wrapper.
7924 (m32c_rtx_costs): New.
7925 (m32c_address_cost): New.
7926 (conversions): Add 'B' prefix.
7927 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7928 operands, or word regnames for QI operands. 'B' prints bit
7930 (m32c_expand_setmemhi): New.
7931 (m32c_expand_movmemhi): New.
7932 (m32c_expand_movstr): New.
7933 (m32c_expand_cmpstr): New.
7934 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7935 (m32c_expand_neg_mulpsi3): Handle non-ints.
7936 (m32c_cmp_flg_0): New.
7937 (m32c_expand_movcc): New.
7938 (m32c_expand_insv): New.
7939 (m32c_scc_pattern): New.
7940 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7941 a0/a1 out of SIregs.
7942 (STORE_FLAG_VALUE): New.
7943 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7946 * config/m32c/mov.md: Make constraints more liberal.
7947 (zero_extendqihi2): Optimize r0/r1 case.
7948 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7949 * config/m32c/predicates.md (m32c_any_operand): New.
7950 (m32c_nonimmediate_operand): New.
7951 (m32c_hl_operand): New.
7952 (m32c_r3_operand): New.
7955 (memsym_operand): New.
7956 (memimmed_operand): New.
7957 (a_qi_operand): New.
7958 (m32c_eqne_operator): New.
7959 (m32c_1bit8_operand): New.
7960 (m32c_1bit16_operand): New.
7961 (m32c_1mask8_operand): New.
7962 (m32c_1mask16_operand): New.
7963 * config/m32c/blkmov.md: New file.
7964 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7966 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7968 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7969 unsigned to fix signed/unsigned comparison issue in
7970 DWARF2_FRAME_REG_OUT.
7971 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7972 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7974 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7975 of ptr into the ENABLE_CHECKING section.
7977 2006-03-08 Jeff Law <law@redhat.com>
7979 * tree-vrp.c (infer_value_range): Only count pointer uses
7980 and dereferences if -fdelete-null-pointer-checks is enabled.
7982 * tree-vrp.c (find_assert_locations): Infer value ranges for
7983 single use pointers, but do not create ASSERT_EXPRs for them.
7984 When a non-null range is inferred for a pointer, backwards
7985 propagate that range to other equivalent pointers through the
7988 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7991 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7992 language hook targets.
7993 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7994 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7995 if language hook targets were missing.
7997 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7999 * tree-ssa-opfinalize.h: Removed.
8000 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8002 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8003 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8004 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8005 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8006 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8007 finalize_ssa_v_must_def_ops): New.
8009 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8011 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8014 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8016 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8018 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8019 addresses with offsets; reorganize.
8021 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8022 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8023 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8025 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8028 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8030 2006-03-08 Ben Elliston <bje@au.ibm.com>
8032 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8034 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8037 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8040 2006-03-07 Richard Guenther <rguenther@suse.de>
8042 PR tree-optimization/26587
8043 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8045 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8047 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8049 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8051 * hooks.c (hook_bool_mode_rtx_true): New function.
8052 * hooks.h (hook_bool_mode_rtx_true): Declare.
8053 * toplev.c (compile_file): Call output_shared_constant_pool.
8054 * varasm.c (shared_constant_pool): New variable.
8055 (assemble_start_function, assemble_end_function): Remove arguments
8056 from call to output_constant_pool.
8057 (create_constant_pool): New function, split out from...
8058 (init_varasm_status): ...here.
8059 (force_const_mem): Choose between the shared and per-function constant
8060 pools. Set current_function_uses_const_pool when reusing old entries
8061 as well as when creating new ones.
8062 (mark_constant): Ignore data argument.
8063 (mark_constants): Remove pool argument.
8064 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8065 to decide whether the function uses a constant pool.
8066 (output_constant_pool_contents): New function, split out from...
8067 (output_constant_pool): ...here.
8068 (output_shared_constant_pool): New function.
8069 (init_varasm_once): Initialize shared_constant_pool.
8070 * output.h (output_constant_pool): Delete.
8071 (output_shared_constant_pool): Declare.
8072 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8073 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8075 2006-03-06 Nick Clifton <nickc@redhat.com>
8077 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8078 flag_strength_reduce.
8080 2006-03-06 Ben Elliston <bje@au.ibm.com>
8082 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8083 x86_64-*-linux* configurations.
8085 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8086 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8088 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8090 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8092 * basic-block.h: Remove the extern for
8093 rediscover_loops_after_threading.
8095 * cfgloop.c (cancel_loop): Make it static.
8096 * cfgloop.h: Remove the prototype for cancel_loop.
8098 * flow.c (recompute_reg_usage): Make it static.
8099 * rtl.h: Remove the prototype for recompute_reg_usage.
8101 * function.c (use_return_register): Make it static.
8102 * function.h: Remove the prototype.
8104 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8106 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8108 * recog.h: Remove the prototype for
8109 validate_change_maybe_volatile.
8111 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8113 * rtlanal.c (replace_reg): Remove.
8114 * rtl.h: Remove the prototype for replace_reg.
8116 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8118 * regclass.c (reg_scan_update): Remove.
8119 (reg_scan_mark_refs): Remove the last argument.
8120 * rtl.h: Remove the prototype for reg_scan_update.
8122 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8124 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8125 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8126 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8127 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8128 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8129 loop-invariant.c, omp-low.c, opts.c, passes.c,
8130 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8131 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8132 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8133 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8134 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8135 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8139 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8140 * dwarf2out.h: Remove the prototype for
8141 dwarf2out_add_library_unit_info.
8143 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8145 * tree.c (add_var_to_bind_expr): Remove.
8146 * tree.h: Remove the prototype for add_var_to_bind_expr.
8148 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8150 * regclass.c (n_non_fixed_regs): Remove.
8151 (init_reg_sets_1, globalize_reg): Remove all uses of
8153 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8155 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8157 * rtlanal.c (insns_safe_to_move_p): Remove.
8158 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8160 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8162 * expmed.c (expand_mult_add): Remove.
8163 * expr.h: Remove the prototype for expand_mult_add.
8165 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8167 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8168 and REG_SAVED_VAL_EXP constants.
8169 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8170 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8171 Handle regs stored by value.
8172 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8173 (execute_cfa_program): Handle DW_CFA_val_offset,
8174 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8175 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8176 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8177 (uw_install_context_1): Handle target regs stored by value.
8179 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8181 * tree-sra.c (tree_sra): Return todoflags;
8182 (generate_one_element): Set TODO_update_smt_usage if needed.
8183 (pass_sra): Remove TODO_update_smt_usage.
8184 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8186 (tree_ssa_forward_propagate_single_use_vars): Return
8187 TODO_update_smt_usage if we need to update SMT usage.
8188 (pass_forwprop): Remove TODO_update_smt_usage.
8190 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8192 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8193 (correct_use_link): Remove reference to get_stmt_operands.
8194 (update_stmt_operands): Likewise.
8195 (get_modify_expr_operands): New function factored out of
8196 parse_ssa_operands and get_expr_operands.
8197 Try to create V_MUST_DEFs for LHS by default.
8198 (get_expr_operands) <case MODIFY_EXPR>: Call
8199 get_modify_expr_operands.
8200 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8201 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8202 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8203 get_modify_expr_operands.
8205 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8207 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8208 * tree-flow.h: Remove the prototype for
8209 referenced_var_lookup_if_exists.
8211 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8213 PR rtl-optimization/26345
8215 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8217 2006-03-03 Roger Sayle <roger@eyesopen.com>
8219 PR tree-optimization/26524
8220 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8221 fold_convert to create a constant of the appropriate type.
8223 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8225 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8226 SYMBOL_REF_IN_BLOCK_P.
8227 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8228 of SYMBOL_FLAG_IN_BLOCK.
8229 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8230 instead of SYMBOL_REF_IN_BLOCK_P.
8231 * explow.c (use_anchored_address): Likewise.
8232 * rtl.c (rtx_size): Likewise.
8233 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8234 instead of SYMBOL_FLAG_IN_BLOCK.
8235 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8236 SYMBOL_REF_IN_BLOCK_P.
8237 (assemble_variable): Likewise.
8238 (output_constant_def_contents): Likewise.
8239 (output_constant_pool): Likewise.
8240 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8241 instead of SYMBOL_FLAG_IN_BLOCK.
8242 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8243 SYMBOL_REF_IN_BLOCK_P.
8244 (SYMBOL_REF_BLOCK): Likewise.
8245 (SYMBOL_REF_OFFSET): Likewise.
8246 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8247 SYMBOL_REF_IN_BLOCK_P.
8248 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8249 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8250 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8251 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8253 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8255 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8257 2006-03-02 Roger Sayle <roger@eyesopen.com>
8259 * simplify-rtx.c (simplify_unary_operation): When simplifying
8260 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8261 that we perform the right shift in the appropriate mode, and
8262 then extend or truncate the result to requested mode.
8264 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8266 * gengtype.c (main): Handle double_int type.
8267 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8268 * double-int.c: New file.
8269 * double-int.h: New file.
8270 * system.h: Include doubleint.h.
8271 * Makefile.in (SYSTEM_H): Include double-int.h.
8272 (double-int.o): Add.
8274 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8277 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8280 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8282 * tree-vrp.c (remove_range_assertions): Do not update statements
8285 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8287 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8289 * gcse.c (rest_of_handle_gcse): Ditto.
8290 * except.c (gate_handle_eh): Ditto.
8291 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8292 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8294 2006-03-02 Eric Christopher <echristo@apple.com>
8296 * config/i386/i386.c (machopic_output_stub): Add indirection to
8299 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8303 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8305 Sun Niagara specific optimizations.
8306 * config.gcc: Recognize niagara as target.
8307 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8308 (TARGET_CPU_niagara): Define.
8309 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8310 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8311 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8312 (ASM_CPU_SPEC): Likewise.
8313 (PROCESSOR_NIAGARA): New enum entry.
8314 (REGISTER_MOVE_COST): Handle Niagara.
8315 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8316 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8317 (sparc_override_options): Recognize "niagara", set appropriate
8318 default MASK_* values for it, and align functions to 32-bytes
8319 by default just like ULTRASPARC/ULTRASPARC3.
8320 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8321 (sparc64_initialize_trampoline): Likewise.
8322 (sparc_use_sched_lookahead): Use zero for niagara.
8323 (sparc_issue_rate): Use one for niagara.
8324 * config/sparc/niagara.md: New file.
8325 * config/sparc/sparc.md: Include it.
8326 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8327 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8328 when default cpu is niagara.
8329 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8330 (ASM_CPU_SPEC): Likewise.
8331 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8332 when default cpu is niagara.
8333 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8334 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8335 just like v9/ultrasparc/ultrasparc3.
8336 * doc/invoke.texi: Add documentation for "niagara" and improve
8337 existing documentation for ultrasparc variants.
8339 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8341 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8343 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8345 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8346 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8347 and say that only one is needed.
8348 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8349 * target.h (have_switchable_bss_sections): New hook.
8350 * explow.c (use_anchored_address): Check that the symbol is in a block.
8351 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8352 (bss_noswitch_section): New variables.
8353 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8354 (get_noswitch_section): New function.
8355 (get_block_for_section): Allow SECT to be null.
8356 (unlikely_text_section_p): Use SECTION_STYLE.
8357 (bss_initializer_p): New function.
8358 (get_variable_section): Move earlier in file. Take a new argument,
8359 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8360 Return one of the new *_sections in such cases.
8361 (get_block_for_decl): New function, extracting some logic from
8362 use_blocks_for_decl_p.
8363 (change_symbol_section): Remove in favor of...
8364 (change_symbol_block): ...this new function.
8365 (use_blocks_for_decl_p): Remove checks now performed by
8367 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8368 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8369 (emit_local, emit_bss, emit_common): ...these new functions.
8370 Return true if the alignment was honored.
8371 (emit_tls_common): New function.
8372 (asm_emit_uninitialised): Delete.
8373 (assemble_variable_noswitch): New function, split out from...
8374 (assemble_variable): ...here. Don't make decisions about common
8375 variables here. Globalize all public decls that go into non-common
8376 sections. Check whether SYMBOL_REF_BLOCK is null.
8377 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8378 (output_constant_pool): Likewise.
8379 (init_varasm_once): Initialize the new section variables.
8380 (have_global_bss_p): New function.
8381 (categorize_decl_for_section): Use bss_initializer_p.
8382 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8383 (place_block_symbol): Assert that the symbol must be in a block.
8384 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8385 (TARGET_INITIALIZER): Include it.
8386 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8387 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8388 (SECTION_MACH_DEP): Bump by two.
8389 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8390 (unnamed_section): Mention SECTION_UNNAMED in comment.
8391 (named_section): Likewise SECTION_NAMED.
8392 (noswitch_section_callback): New type.
8393 (noswitch_section): New structure.
8394 (section): Add a noswitch_section alternative.
8395 (SECTION_STYLE): New macro.
8396 (tls_comm_section, comm_section, lcomm_section): Declare.
8397 (bss_noswitch_section, have_global_bss_p): Declare.
8398 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8399 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8401 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8402 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8405 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8407 * tree-vrp.c (execute_vrp): Return value.
8408 * regrename.c (rest_of_handle_regrename): Ditto.
8409 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8410 * tree-complex.c (tree_lower_complex): Ditto.
8411 (tree_lower_complex_O0): Ditto.
8412 * tracer.c (rest_of_handle_tracer): Ditto.
8413 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8414 * postreload.c (rest_of_handle_postreload): Ditto.
8415 * tree-tailcall.c (execute_tail_recursion): Ditto.
8416 (execute_tail_calls): Ditto.
8417 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8418 * tree.h (init_function_for_compilation): Ditto.
8419 * ipa-cp.c (ipcp_driver): Ditto.
8420 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8421 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8422 * final.c (compute_alignments): Ditto.
8423 (rest_of_handle_final): Ditto.
8424 (rest_of_handle_shorten_branches): Ditto.
8425 (rest_of_clean_state): Ditto.
8426 * omp-low.c (execute_expand_omp): Ditto.
8427 (execute_lower_omp): Ditto.
8428 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8429 * ipa-reference.c (static_execute): Ditto.
8430 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8431 * reorg.c (rest_of_handle_delay_slots): Ditto.
8432 (rest_of_handle_machine_reorg): Ditto.
8433 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8434 * flow.c (recompute_reg_usage): Ditto.
8435 (rest_of_handle_remove_death_notes): Ditto.
8436 (rest_of_handle_life): Ditto.
8437 (rest_of_handle_flow2): Ditto.
8438 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8439 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8440 (do_ssa_store_ccp): Ditto.
8441 (execute_fold_all_builtins): Ditto.
8442 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8443 * modulo-sched.c (rest_of_handle_sms): Ditto.
8444 * ipa-pure-const.c (static_execute): Ditto.
8445 * cse.c (rest_of_handle_cse): Ditto.
8446 (rest_of_handle_cse2): Ditto.
8447 * web.c (rest_of_handle_web): Ditto.
8448 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8449 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8450 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8451 * tree-nrv.c (tree_nrv): Ditto.
8452 (execute_return_slot_opt): Ditto.
8453 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8454 (create_structure_vars): Ditto.
8455 * loop-init.c (rtl_loop_init): Ditto.
8456 (rtl_loop_done): Ditto.
8457 (rtl_move_loop_invariants): Ditto.
8458 (rtl_unswitch): Ditto.
8459 (rtl_unroll_and_peel_loops): Ditto.
8460 (rtl_doloop): Ditto.
8461 * gimple-low.c (lower_function_body): Ditto.
8462 (mark_used_blocks): Ditto.
8463 * tree-ssa-sink.c (execute_sink_code): Ditto.
8464 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8465 (cgraph_early_inlining): Ditto.
8466 * global.c (rest_of_handle_global_alloc): Ditto.
8467 * jump.c (cleanup_barriers): Ditto.
8468 (purge_line_number_notes): Ditto.
8469 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8470 (rest_of_handle_if_after_reload): Ditto.
8471 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8472 (tree_ssa_loop_im): Ditto.
8473 (tree_ssa_loop_unswitch): Ditto.
8474 (tree_vectorize): Ditto.
8475 (tree_linear_transform): Ditto.
8476 (tree_ssa_loop_ivcanon): Ditto.
8477 (tree_ssa_empty_loop): Ditto.
8478 (tree_ssa_loop_bounds): Ditto.
8479 (tree_complete_unroll): Ditto.
8480 (tree_ssa_loop_prefetch): Ditto.
8481 (tree_ssa_loop_ivopts): Ditto.
8482 (tree_ssa_loop_done): Ditto.
8483 * predict.c (tree_estimate_probability): Ditto.
8484 * recog.c (split_all_insns_noflow): Ditto.
8485 (rest_of_handle_peephole2): Ditto.
8486 (rest_of_handle_split_all_insns): Ditto.
8487 * tree-eh.c (lower_eh_constructs): Ditto.
8488 * regmove.c (rest_of_handle_regmove): Ditto.
8489 (rest_of_handle_stack_adjustments): Ditto.
8490 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8491 * function.c (instantiate_virtual_regs): Ditto.
8492 (init_function_for_compilation): Ditto.
8493 (rest_of_handle_check_leaf_regs): Ditto.
8494 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8495 (rest_of_handle_gcse): Ditto.
8496 * ipa-type-escape.c (type_escape_execute): Ditto.
8497 * alias.c (rest_of_handle_cfg): Ditto.
8498 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8499 * profile.c (rest_of_handle_branch_prob): Ditto.
8500 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8501 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8502 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8503 * tree-dfa.c (find_referenced_vars): Ditto.
8504 * except.c (set_nothrow_function_flags): Ditto.
8505 (convert_to_eh_region_ranges): Ditto.
8506 (rest_of_handle_eh): Ditto.
8507 * emit-rtl.c (unshare_all_rtl): Ditto.
8508 (remove_unnecessary_notes): Ditto.
8509 * except.h (set_nothrow_function_flags): Ditto.
8510 (convert_to_eh_region_ranges): Ditto.
8511 * cfgexpand.c (tree_expand_cfg): Ditto.
8512 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8513 * tree-ssa-pre.c (do_pre): Ditto.
8514 (execute_fre): Ditto.
8515 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8516 (rest_of_handle_jump2): Ditto.
8517 * tree-sra.c (tree_sra): Ditto.
8518 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8519 (execute_mudflap_function_decls): Ditto.
8520 * tree-ssa-copy.c (do_copy_prop): Ditto.
8521 (do_store_copy_prop): Ditto.
8522 * ipa-prop.h (ipcp_driver): Ditto.
8523 * cfglayout.c (insn_locators_initialize): Ditto.
8524 * tree-ssa-forwprop.c
8525 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8526 * cfglayout.h (insn_locators_initialize): Ditto.
8527 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8528 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8529 (execute_late_warn_uninitialized): Ditto.
8530 * rtl.h (cleanup_barriers): Ditto.
8531 (split_all_insns_noflow): Ditto.
8532 (purge_line_number_notes): Ditto.
8533 (unshare_all_rtl): Ditto.
8534 (remove_unnecessary_notes): Ditto.
8535 (recompute_reg_usage): Ditto.
8536 (variable_tracking_main): Ditto.
8537 * integrate.c (emit_initial_value_sets): Ditto.
8538 * integrate.h (emit_initial_value_sets): Ditto.
8539 * tree-optimize.c (execute_free_datastructures): Ditto
8540 (execute_free_cfg_annotations): Ditto.
8541 (execute_fixup_cfg): Ditto.
8542 (execute_cleanup_cfg_pre_ipa): Ditto.
8543 (execute_cleanup_cfg_post_optimizing): Ditto.
8544 (execute_init_datastructures): Ditto.
8545 * tree-object-size.c (compute_object_sizes): Ditto.
8546 * combine.c (rest_of_handle_combine): Ditto.
8547 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8548 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8549 (rest_of_handle_reorder_blocks): Ditto.
8550 (rest_of_handle_partition_blocks): Ditto.
8551 * var-tracking.c (variable_tracking_main): Ditto.
8552 * tree-profile.c (tree_profiling): Ditto.
8553 * tree-vect-generic.c (expand_vector_operations): Ditto.
8554 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8555 * sched-rgn.c (rest_of_handle_sched): Ditto.
8556 (rest_of_handle_sched2): Ditto.
8557 * basic-block.h (free_bb_insn): Ditto.
8558 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8559 * tree-cfg.c (execute_build_cfg): Ditto.
8560 (remove_useless_stmts): Ditto.
8561 (split_critical_edges): Ditto.
8562 (execute_warn_function_return): Ditto.
8563 (execute_warn_function_noreturn): Ditto.
8564 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8565 * cfgrtl.c (free_bb_for_insn): Ditto.
8566 * passes.c (execute_one_pass): Run additional
8567 todos returned by execute function.
8568 * tree-pass.h (struct tree_opt_pass): Make execute
8571 2006-03-02 Richard Guenther <rguenther@suse.de>
8573 * tree-ssa-alias.c (find_used_portions): Consider taking
8574 the address as making the variable not write-only.
8576 2006-03-02 Nick Clifton <nickc@redhat.com>
8578 * config.gcc (default_use_cxa_atexit): Extend the description of
8579 this configure variable. Set its default value to "yes" for
8580 Linux, NetBSD and ELF targets on the assumption that they will
8581 use C libraries with the __cxa_atexit function.
8583 2006-03-02 Ben Elliston <bje@au.ibm.com>
8585 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8586 parameter as unused to suppress a build warning.
8588 2006-03-02 Ben Elliston <bje@au.ibm.com>
8590 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8593 2006-03-01 Roger Sayle <roger@eyesopen.com>
8596 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8597 declared name, the weak reference name, and the typeof name.
8598 (__gthrw): Avoid expanding the declared name suffix.
8599 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8601 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8603 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8605 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8606 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8607 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8608 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8609 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8610 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8611 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8612 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8613 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8614 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8615 (DW_END_default, DW_END_big, DW_END_little): New.
8616 (DW_END_lo_user, DW_END_hi_user): Define.
8617 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8618 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8619 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8622 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8624 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8626 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8628 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8630 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8632 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8633 to 'symbol_mem_tag'.
8635 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8638 2006-03-01 Roger Sayle <roger@eyesopen.com>
8640 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8642 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8645 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8646 MACHO_DYNAMIC_NO_PIC_P.
8647 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8649 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8652 * config/darwin-protos.h (darwin_asm_output_anchor):
8654 * config/darwin-sections.def (cstring_section):
8655 Add SECTION_MERGE to the flags.
8656 (literal4_section): Likewise.
8657 (literal8_section): Likewise.
8658 (objc_selector_refs_section): Likewise.
8659 (objc_cls_refs_section): Likewise.
8660 * config/darwin.c (darwin_asm_output_anchor): New
8662 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8664 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8666 Fix PR tree-optimization/26443
8667 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8668 to todo and PROP_tmt_usage to properties_destroyed.
8669 * tree-ssa-ccp.c (pass_ccp): Ditto.
8670 (pass_store_ccp): Ditto.
8671 * tree-ssa-dom.c (pass_dominator): Ditto.
8673 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8675 * tree-ssa-operands.c: Cleanup whitespace.
8676 (get_asm_expr_operands): Move before first invocation.
8677 (get_indirect_ref_operands): Likewise.
8678 (get_tmr_operands): Likewise.
8679 (get_call_expr_operands): Likewise.
8680 (append_def): Likewise.
8681 (append_use): Likewise.
8682 (append_v_may_def): Likewise.
8683 (append_v_must_def): Likewise.
8684 (add_call_clobber_ops): Likewise.
8685 (add_call_read_ops): Likewise.
8686 (add_stmt_operand): Likewise.
8687 (add_virtual_operand): Likewise.
8688 (build_ssa_operands): Likewise.
8690 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8695 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8696 with a call expr to ...
8697 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8699 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8701 * tree-vrp.c (extract_range_from_assert): Remove special
8702 handling for types with super-types.
8704 2006-03-01 Ben Elliston <bje@au.ibm.com>
8706 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8707 and powerpc64-*-linux* configurations.
8708 * config/t-dfprules: New file.
8710 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8711 Compile dfp-bit.c from the source directory using -DWIDTH and
8712 $DFP_CFLAGS to control the compilation of that file, rather than
8713 generating width-specific versions in the build directory.
8714 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8715 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8717 2006-02-28 Zack Weinberg <zackw@panix.com>
8719 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8722 2006-02-28 Eric Christopher <echristo@apple.com>
8724 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8725 Set up IN_LIBGCC definition of TARGET_64BIT.
8726 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8728 2006-02-28 Roger Sayle <roger@eyesopen.com>
8731 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8732 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8733 cases via the construction of "expr != 0".
8735 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8737 * alias.c (alias_invariant, alias_invariant_size): Remove.
8738 (record_base_value): Remove.
8739 (memrefs_conflict_p): Don't look at alias_invariant.
8740 (end_alias_analysis): Don't free it.
8741 * alias.h (record_base_value): Remove prototype.
8743 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8744 Adam Nemet <anemet@caviumnetworks.com>
8746 * rtl.h (truncated_to_mode): Declare it.
8747 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8748 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8749 (RTL_HOOKS_INITIALIZER): Include it.
8750 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8751 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8752 reg_truncated_to_mode.
8753 * rtlanal.c (truncated_to_mode): Define it.
8754 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8756 2006-02-28 Jeff Law <law@redhat.com>
8758 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8759 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8760 the range allowed by TYPE_PRECISION.
8762 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8764 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8766 PR tree-optimization/26419
8767 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8770 2006-02-27 Zack Weinberg <zackw@panix.com>
8772 * doc/md.texi: Fix typo in previous change.
8774 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8778 2006-02-27 Zack Weinberg <zackw@panix.com>
8780 * rtl.def (define_constraint, define_register_constraint)
8781 (define_memory_constraint, define_address_constraint): New MD forms.
8782 * gensupport.c (process_rtx): Put define_constraint etc on the
8784 * genpreds.c (process_define_predicate): Adjust comment. Validate
8785 the name, and call validate_exp to validate the expression.
8786 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8787 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8788 all callers changed.
8789 (validate_exp, needs_variable, struct constraint_data)
8790 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8791 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8792 (const_dbl_constraints, constraint_max_namelen)
8793 (have_register_constraints, have_memory_constraints)
8794 (have_address_constraints, have_address_constraints)
8795 (have_extra_constraints, have_const_int_constraints)
8796 (have_const_dbl_constraints, mangle, add_constraint)
8797 (process_define_constraint, process_define_register_constraint)
8798 (write_enum_constraint_num, write_lookup_constraint)
8799 (write_insn_constraint_len, write_regclass_for_constraint)
8800 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8801 (write_insn_extra_memory_constraint)
8802 (write_insn_extra_address_constraint)
8803 (write_satisfies_constraint_fns): New.
8804 (write_tm_preds_h): If we have new-style constraint definitions,
8805 prototype the functions generated from them, and define the
8806 old constraint interface (still used by generic code) in terms of
8808 (write_insn_preds_c): If we have new-style constraint definitions,
8809 generate all relevant functions from those definitions.
8810 (main): Handle define_constraint etc.
8811 * genoutput.c (struct constraint_data, indep_constraints)
8812 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8813 (mdep_constraint_len): New data structures and functions, defined
8814 #ifdef USE_MD_CONSTRAINTS.
8815 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8816 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8817 use new logic to validate operand constraints against constraint
8819 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8821 * defaults.h: If none of the old-style constraint macros are
8822 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8823 old-style macros; and poison REG_CLASS_FROM_LETTER,
8824 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8826 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8827 * doc/md.texi: Document new constraint-definition mechanism and the
8828 C interface it provides. Remove references to old mechanism
8829 elsewhere in the document.
8830 (Machine Constraints): Use pathnames relative to gcc directory,
8831 i.e. config/ARCH/FILE. Change i386 section to refer to
8832 config/i386/predicates.md; update that section to match docstrings.
8833 * doc/tm.texi: Move all documentation of the old constraint-
8834 definition macros to their own section, clearly mark as obsolete.
8836 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8837 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8839 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8840 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8841 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8843 (splits and peepholes): Use satisfies_constraint_*.
8844 * config/i386/i386.c (memory_address_length)
8845 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8847 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8849 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8850 scalar operation to be put back into the loop.
8852 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8855 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8856 (extract_cie_info): Handle S flag in augmentation string.
8857 (execute_cfa_program): If context->signal_frame, execute also
8858 fs->pc == context->ra instructions.
8859 (uw_frame_state_for): If context->signal_frame, don't subtract one
8860 from context->ra to find FDE.
8861 (uw_update_context_1): Set context->signal_frame to
8863 (_Unwind_GetIPInfo): New function.
8864 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8865 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8867 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8868 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8869 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8870 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8871 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8872 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8873 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8874 x86_64_fallback_frame_state): Set fs->signal_frame.
8875 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8876 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8877 (frob_update_context): Likewise. Workaround missing S flag in
8878 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8879 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8880 Remove the psw_addr + 1 hack.
8882 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8884 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8885 with aggregates here.
8886 (find_func_aliases): Remove code for &<aggregate> from here.
8888 2006-02-26 Roger Sayle <roger@eyesopen.com>
8890 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8891 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8892 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8895 2006-02-26 Roger Sayle <roger@eyesopen.com>
8898 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8900 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8902 * opts.c (decode_options): Do not handle flag_strength_reduce.
8903 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8904 and OPT_fstrength_reduce.
8905 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8906 flag_prefetch_loop_arrays for being nonzero.
8907 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8909 (fprefetch-loop-arrays-rtl): Removed.
8910 (flag_prefetch_loop_arrays): Do not specify the value.
8912 * doc/passes.texi: Update documentation of loop optimizer
8914 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8915 -frerun-loop-opt): Remove.
8917 2006-02-26 Richard Guenther <rguenther@suse.de>
8919 PR tree-optimization/26421
8920 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8921 in function calls that are ADDR_EXPRs as using the whole structure.
8923 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8925 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8926 * tree-pass.h (pass_loop_optimize): Remove.
8927 * passes.c (pass_loop_optimize): Never run it.
8928 * toplev.c (backend_init): Don't call init_loop.
8929 * opts.c (flag_loop_optimize_set): Remove.
8930 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8931 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8932 the old RTL loop optimizer when profiling enabled.
8933 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8934 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8935 pre-headers for the sake of the old RTL loop optimizer.
8936 * Makefile.in: Remove all references to loop.o.
8938 * doc/invoke.texi: Remove all references to -floop-optimize
8939 and -frerun-loop-opt.
8941 2006-02-26 Zack Weinberg <zackw@panix.com>
8943 * doc/md.texi (Machine Constraints): Refer to all files with paths
8944 relative to gcc directory (i.e. config/CPU/file). Add missing
8945 @table @code ... @end table to M32C subsection.
8947 2006-02-26 Roger Sayle <roger@eyesopen.com>
8949 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8951 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8953 2006-02-26 Roger Sayle <roger@eyesopen.com>
8954 James A. Morrison <phython@gcc.gnu.org>
8957 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8958 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8959 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8960 signedness of the shift operation.
8962 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8964 PR tree-optimization/26359
8965 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8967 2006-02-25 Roger Sayle <roger@eyesopen.com>
8969 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8970 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8971 as X == 0, and some symmetry related transformations.
8972 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8974 2006-02-25 Roger Sayle <roger@eyesopen.com>
8977 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8978 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8979 symmetry related transformations. Fold (X^C1) == C2 as
8982 2006-02-25 Juergen Weigert <jw@suse.de>
8983 Richard Guenther <rguenther@suse.de>
8985 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8987 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8989 * combine.c (gen_lowpart_or_truncate): Call
8990 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8992 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8994 * doc/invoke.texi: Move -fopenmp description to "Options for
8996 Remove reference to -lgomp.
8998 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9000 * doc/install.texi: Require GNU tar version 1.14.
9002 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9004 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9005 * doc/invoke.texi (C++ Dialect Options): Document
9006 -fno-use-cxa-get-exception-ptr.
9007 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9008 * configure: Regenerate.
9009 * c.opt (fuse-cxa-get-exception-ptr): New.
9010 * c-opts.c (c_common_handle_option): Handle
9011 OPT_fuse_cxa_get_exception_ptr.
9012 * c-common.c (flag_use_cxa_atexit): Update documentation.
9013 (flag_use_cxa_get_exception_ptr): New.
9014 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9015 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9017 (C_COMMON_OVERRIDE_OPTIONS): New.
9019 2006-02-24 Roger Sayle <roger@eyesopen.com>
9022 * combine.c (try_combine): Explicitly check whether GET_CODE is
9023 a SET or a CLOBBER, instead on checking that it isn't a USE.
9025 2006-02-24 Roger Sayle <roger@eyesopen.com>
9027 * fold-const.c (fold_comparison): New subroutine of fold_binary
9028 containing transformations common to both the equality and
9029 ordering relational operators, factored out of fold_binary.
9030 (fold_binary): Separate out the equality operators (EQ_EXPR
9031 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9032 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9033 transformations common to both.
9034 (fold_div_compare): Fix latent bugs in the previously unreachable
9035 LT_EXPR and GE_EXPR cases.
9037 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9039 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9040 decl libname for clog to __clog on AIX.
9042 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9044 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9047 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9048 output traceback table for thunks. Localise rs6000_stack_info call.
9050 2006-02-23 Roger Sayle <roger@eyesopen.com>
9051 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9053 * gthr-posix.h (__gthrw): Fix typo in comment.
9055 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9057 * doc/cpp.texi (Character sets): Document that we do support
9058 input files to be in any character set.
9060 2006-02-23 Jeff Law <law@redhat.com>
9062 * tree.h (PHI_ARG_NONZERO): Remove.
9063 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9064 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9065 node to the new node.
9067 PR tree-optimization/26425
9068 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9069 min/max, then assume its varying.
9071 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9073 PR rtl-optimization/26316
9074 * rtlanal.c (enum may_trap_p_flags): New.
9075 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9076 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9077 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9078 (may_trap_after_code_motion_p): New function.
9079 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9080 (find_invariant_insn): Use may_trap_after_code_motion_p.
9081 * rtl.h (may_trap_after_code_motion_p): Declare.
9083 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9085 * emit-rtl.c (immed_double_const): Cleanup.
9087 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9089 Fix PR tree-optimization/26376
9090 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9093 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9096 * gimplify.c (omp_add_variable): Guard variable size decl test with
9097 DECL_SIZE (decl) check.
9099 2006-02-23 Richard Guenther <rguenther@suse.de>
9102 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9103 like aggregate types.
9105 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9107 * configure.ac: Add --with{,out}-long-double-128 configure option.
9108 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9109 * configure: Rebuilt.
9110 * config.in: Rebuilt.
9111 * doc/install.texi (Options specification): Document
9112 --with-long-double-128.
9114 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9115 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9116 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9117 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9119 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9121 * config/s390/s390.c (override_options): Handle
9122 TARGET_DEFAULT_LONG_DOUBLE_128.
9124 * config/alpha/alpha.c (override_options): Handle
9125 TARGET_DEFAULT_LONG_DOUBLE_128.
9127 * config/sparc/sparc.c (sparc_override_options): Handle
9128 TARGET_DEFAULT_LONG_DOUBLE_128.
9130 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9132 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9133 (real-install-headers-tar, real-install-headers-cpio)
9134 (real-install-headers-cp): New targets.
9136 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9138 * tree.h (variable_section): Delete.
9139 * varasm.c (variable_section): Delete.
9141 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9143 * install.texi: Add notes on install.texi2html.
9144 (Building in parallel): Do not use footnotes.
9146 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9149 * doc/install.texi (Configuration): Document --disable-libgomp.
9151 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9153 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9155 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9157 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9158 (vec_extractv2df_0_sse): New.
9160 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9162 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9163 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9164 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9165 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9166 to the result of the expression.
9167 (def_cfa_1): Adjust.
9168 (frame_pointer_cfa_offset): Rename to...
9169 (frame_pointer_fb_offset): ... this. Adjust all uses.
9170 (convert_cfa_to_loc_list): Rename to...
9171 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9172 Pass it on to build_cfa_loc.
9173 (compute_frame_pointer_to_cfa_displacement): Rename to...
9174 (compute_frame_pointer_to_fb_displacement): ... this. New
9175 offset parameter. Use it in computation.
9176 (gen_subprogram_die): Compute cfa_fb_offset with the new
9177 macro, and use it to compute the fb loc list and the
9180 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9182 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9183 replaced with register_operand.
9184 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9185 non-DREG is expensive.
9186 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9187 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9190 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9192 * doc/install.texi2html: Use set -e.
9194 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9196 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9197 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9198 * doc/invoke.texi (-fshared-data): Delete.
9199 * common.opt (fshared-data): Delete.
9200 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9201 (assemble_static_space): Remove #if 0 code.
9202 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9203 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9204 * config/cris/cris.h: Remove FIXME.
9206 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9208 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9211 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9214 * combine.c (simplify_shift_const_1): Disable nested shifts
9215 optimization for vector shifts.
9217 2006-02-20 Roger Sayle <roger@eyesopen.com>
9219 PR tree-optimization/26361
9220 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9221 of unsigned integer types.
9223 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9225 * tree-chrec.c (eq_evolutions_p): New.
9226 * tree-chrec.h (eq_evolutions_p): Declared.
9227 * tree-data-ref.c: Fix formatting.
9228 (datadep_stats, dependence_stats): New.
9230 (print_direction_vector): New.
9231 (dump_data_dependence_relation): Use print_direction_vector.
9232 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9233 (compute_subscript_distance): Static.
9234 (initialize_data_dependence_relation): Static. Get the number
9235 of loops surrounding the references from the callers, and initialize
9236 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9237 base_object_differ_p analyzers.
9238 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9239 compute_overlap_steps_for_affine_1_2,
9240 analyze_subscript_affine_affine): Count the classified dependences.
9241 Print a message when a test failed.
9242 (can_use_analyze_subscript_affine_affine): New.
9243 (analyze_siv_subscript): Compute the data dependences on symbolic
9244 scevs that verify can_use_analyze_subscript_affine_affine.
9245 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9246 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9247 Handle symbolic scevs.
9248 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9250 (subscript_dependence_tester): Moved...
9251 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9252 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9253 DDR_SIZE_VECT instead of getting it in parameter.
9254 (subscript_dependence_tester): ... here. Take as a parameter
9255 loop_nest_depth. Call build_classic_dist_vector and
9256 build_classic_dir_vector.
9257 (compute_affine_dependence): Update subscript_dependence_tester
9258 parameters. Update datadep_stats counters. Call
9259 compute_subscript_distance.
9260 (compute_self_dependence): Save the dist and dir vectors. Call
9261 compute_subscript_distance.
9262 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9263 (compute_all_dependences): Reorder parameters as they were before
9264 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9265 compute_subscript_distance. Update the use of
9266 compute_affine_dependence and initialize_data_dependence_relation.
9267 (find_data_references_in_loop): Handle COMPONENT_REF.
9268 (compute_data_dependences_for_loop): Initialize dependence_stats.
9269 Don't call build_classic_dist_vector and build_classic_dir_vector.
9270 Update the parameters of initialize_data_dependence_relation and
9271 compute_all_dependences. Print the statistics from datadep_stats.
9272 (analyze_all_data_dependences): Static. Not used until the pass for
9273 checking the data dependences is contributed.
9274 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9275 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9276 (initialize_data_dependence_relation, compute_affine_dependence,
9277 analyze_all_data_dependences, compute_subscript_distance): Removed.
9278 (print_direction_vector): New.
9279 * lambda.h (gcd): ... here.
9280 (lambda_vector_gcd): Moved here from gcd_vector.
9281 * lambda-code.c (gcd, gcd_vector): Removed.
9282 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9283 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9285 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9287 * ipa-type-escape.c: Tidy some comments and white space.
9288 * tree-ssa-operands.c: Likewise.
9290 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9293 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9294 (dump_decl_name): Do not walk the decl tree chains.
9295 * tree-pass.h (TDF_CHAIN): Remove.
9297 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9299 * Makefile.in (C): Remove
9301 (.PHONY): Remove C and PROTO
9303 2006-02-20 Roger Sayle <roger@eyesopen.com>
9306 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9307 deprecated CHAR_TYPE tree code.
9309 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9311 * configure.ac (target_list): Add install-info, dvi, html.
9312 * configure: Regenerate.
9314 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9315 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9316 treelang/Make-lang.in: Do not use double-colon rules.
9318 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9320 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9321 (TMT_USED_ALONE): New macro.
9322 * tree-pass.h (PROP_tmt_usage): New property.
9323 (TODO_update_tmt_usage): New todo.
9324 * tree-ssa-alias.c (updating_used_alone): New variable.
9325 (recalculate_used_alone): New function.
9326 (compute_may_aliases): Set updating_used_alone, call
9327 recalculate_used_alone.
9328 * tree-sra.c (pass_sra): Note that this pass destroys
9329 PROP_tmt_usage, and add TODO_update_tmt_usage.
9330 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9331 * tree-flow.h (updating_used_alone): Prototype.
9332 (recalculate_used_alone): Ditto.
9333 * passes.c (execute_todo): Add code to set updating_used_alone,
9334 and call recalculate.
9335 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9336 for clobber if used alone, and add assert to verify used_alone
9339 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9341 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9342 for non tls symbols added.
9343 (legitimize_address): Do nothing for PLUS expressions if one of the
9344 addends is a tls symbol reference.
9346 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9350 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9352 * Makefile.in (BOOTSTRAPPING): New.
9353 (quickstrap): New definition if BOOTSTRAPPING=yes.
9355 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9356 * configure.ac: Substitute all_selected_languages with the languages
9357 that were configured. For all the other variables except
9358 lang_specs_files, include all the languages in the tree.
9359 * configure: Regenerate.
9361 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9362 if there is one. Run the commands to run fixincludes in the same
9365 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9366 * doc/install.texi: Document exact conventions for searching target tools.
9367 Document --with-build-time-tools. Document toplevel bootstrap. Document
9368 something more about building an Ada cross-compiler. Don't list GNU Make
9369 requirements which affect all platforms.
9371 2006-02-19 Roger Sayle <roger@eyesopen.com>
9374 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9375 only equivalent if the have both the same mode and precision.
9377 2006-02-20 Ben Elliston <bje@au.ibm.com>
9379 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9381 2006-02-19 Roger Sayle <roger@eyesopen.com>
9382 Steven Bosscher <stevenb.gcc@gmail.com>
9384 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9385 constant pool references to identify stack mode constants.
9386 * rtlanal.c (constant_pool_constant_p): New predicate to check
9387 whether operand is a floating point constant in the pool.
9388 * rtl.h (constant_pool_constant_p): Prototype here.
9389 * loop.c (scan_loop): Avoid hoisting constants from the constant
9390 pool on STACK_REGS targets.
9391 (load_mems): Likewise.
9392 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9393 loads into x87 registers expensive in terms of register pressure.
9395 2006-02-19 Roger Sayle <roger@eyesopen.com>
9397 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9398 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9400 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9402 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9403 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9405 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9407 * doc/invoke.texi: Document -fipa-pta.
9408 * common.opt: Add ipa-pta option.
9409 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9410 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9411 (do_ds_constraint): Ditto.
9412 (get_constraint_for): Only add to referenced_vars if
9413 referenced_vars exists.
9414 (insert_into_field_list): Rewrite to do this unsorted.
9415 (insert_into_field_list_sorted): Rename old insert_into_field_list
9417 (create_function_info_for): Use insert_into_field_list_sorted.
9418 (create_variable_info_for): Rewrite so it uses unsorted version,
9419 since the field list is sorted.
9420 (intra_create_variable_infos): Only add to referenced_vars if
9421 referenced_vars exists.
9422 (ipa_pta_execute): Init heapvars, and delete when done.
9423 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9425 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9427 * doc/install.texi: Add missing `@samp'.
9429 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9431 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9434 2006-02-18 Mark Wielaard <mark@klomp.org>
9436 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9437 who added new 4.1 features, bug fixes and integration support.
9439 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9442 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9445 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9447 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9448 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9449 (copy_insn_1): Likewise. Don't copy each field individually.
9451 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9453 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9454 * rtl.c (rtx_size): Rename variable to...
9455 (rtx_code_size): ...this.
9456 (rtx_size): New function.
9457 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9458 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9460 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9461 * rtl.h (rtx_code_size): New variable.
9462 (rtx_size): Change from a variable to a function.
9463 (RTX_SIZE): Rename to...
9464 (RTX_CODE_SIZE): ...this.
9467 PR tree-optimization/17106
9468 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9469 (Anchored Addresses): New section.
9470 * doc/invoke.texi (-fsection-anchors): Document.
9471 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9472 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9473 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9474 * hooks.c (hook_bool_mode_rtx_false): New function.
9475 * hooks.h (hook_bool_mode_rtx_false): Declare.
9476 * gengtype.c (create_optional_field): New function.
9477 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9478 SYMBOL_REF_IN_BLOCK_P is true.
9479 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9480 (min_anchor_offset, max_anchor_offset): Likewise.
9481 (use_anchors_for_symbol_p): New hook.
9482 * toplev.c (compile_file): Call output_object_blocks.
9483 (target_supports_section_anchors_p): New function.
9484 (process_options): Check that -fsection-anchors is only used on
9485 targets that support it and when -funit-at-a-time is in effect.
9486 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9487 if the decl doesn't have one.
9488 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9489 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9490 of force_const_mem through use_anchored_address.
9491 (expand_expr_constant): New function.
9492 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9493 calling expand_expr for INDIRECT_REF.
9494 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9495 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9496 * expr.h (use_anchored_address): Declare.
9497 * loop-unroll.c: Don't declare rtx vectors here.
9498 * explow.c: Include output.h.
9499 (validize_mem): Call use_anchored_address.
9500 (use_anchored_address): New function.
9501 * common.opt (-fsection-anchors): New switch.
9502 * varasm.c (object_block_htab, anchor_labelno): New variables.
9503 (hash_section, object_block_entry_eq, object_block_entry_hash)
9504 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9505 (use_blocks_for_decl_p, change_symbol_section): New functions.
9506 (get_variable_section): New function, split out from assemble_variable.
9507 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9508 use_blocks_for_decl_p say so. Use change_symbol_section if the
9509 symbol has already been created.
9510 (assemble_variable_contents): New function, split out from...
9511 (assemble_variable): ...here. Don't output any code for
9512 block symbols; just pass them to place_block_symbol.
9513 Use get_variable_section and assemble_variable_contents.
9514 (get_constant_alignment, get_constant_section, get_constant_size): New
9515 functions, split from output_constant_def_contents.
9516 (build_constant_desc): Create a block symbol if use_object_blocks_p
9517 says so. Or into SYMBOL_REF_FLAGS.
9518 (assemble_constant_contents): New function, split from...
9519 (output_constant_def_contents): ...here. Don't output any code
9520 for block symbols; just pass them to place_section_symbol.
9521 Use get_constant_section and get_constant_alignment.
9522 (force_const_mem): Create a block symbol if use_object_blocks_p and
9523 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9524 (output_constant_pool_1): Add an explicit alignment argument.
9525 Don't switch sections here.
9526 (output_constant_pool): Adjust call to output_constant_pool_1.
9527 Switch sections here instead. Don't output anything for block symbols;
9528 just pass them to place_block_symbol.
9529 (init_varasm_once): Initialize object_block_htab.
9530 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9531 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9532 (place_block_symbol, get_section_anchor, output_object_block)
9533 (output_object_block_htab, output_object_blocks): New functions.
9534 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9535 (TARGET_ASM_OUT): Include it.
9536 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9537 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9538 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9539 (TARGET_INITIALIZER): Include them.
9540 * rtl.c (rtl_check_failed_block_symbol): New function.
9541 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9542 (block_symbol, object_block): New structures.
9543 (rtx_def): Add a block_symbol field to the union.
9544 (BLOCK_SYMBOL_CHECK): New macro.
9545 (rtl_check_failed_block_symbol): Declare.
9546 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9547 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9548 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9549 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9550 * output.h (output_section_symbols): Declare.
9551 (object_block): Name structure.
9552 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9553 (default_use_anchors_for_symbol_p): Declare.
9554 * Makefile.in (RTL_BASE_H): Add vec.h.
9555 (explow.o): Depend on output.h.
9556 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9557 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9558 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9559 (rs6000_use_blocks_for_constant_p): New function.
9561 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9563 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9565 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9568 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9571 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9573 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9577 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9580 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9581 instead of DECL_REGISTER.
9583 2006-02-18 Olivier Hainque <hainque@adacore.com>
9586 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9588 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9591 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9592 * opth-gen.awk: Handle Var and InverseMask together.
9593 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9594 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9595 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9596 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9598 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9599 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9600 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9601 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9602 LINUX_DYNAMIC_LINKER): Define.
9603 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9604 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9606 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9607 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9608 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9610 (TARGET_C99_FUNCTIONS): Don't define.
9611 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9612 GLIBC_DYNAMIC_LINKER.
9613 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9614 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9615 GLIBC_DYNAMIC_LINKER64): Define.
9616 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9617 LINUX_DYNAMIC_LINKER64.
9618 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9620 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9622 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9624 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9625 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9626 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9628 and LINUX_DYNAMIC_LINKER32.
9629 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9631 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9633 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9635 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9636 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9637 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9638 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9639 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9640 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9641 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9642 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9643 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9644 LINUX_DYNAMIC_LINKER): Define.
9645 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9646 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9647 GLIBC_DYNAMIC_LINKER64): Define.
9648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9649 LINUX_DYNAMIC_LINKER64.
9650 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9651 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9652 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9653 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9654 LINUX_DYNAMIC_LINKER): Define.
9655 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9656 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9657 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9658 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9659 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9660 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9661 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9662 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9663 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9664 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9665 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9666 * doc/invoke.texi (-muclibc): Remove caveat about supported
9669 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9671 * doc/cpp.texi (__TIMESTAMP__): Document.
9673 2006-02-17 Roger Sayle <roger@eyesopen.com>
9676 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9677 C is one less than the width of X (and related transformations).
9678 * simplify-rtx.c (simplify_unary_operation_1): Transform
9679 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9680 depending on STORE_FLAG_VALUE, were C is one less then the
9683 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9685 Fix PR tree-optimization/26341
9686 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9687 about NAME_MEMORY_TAG's.
9689 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9692 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9693 with hardware float support, and software float support. Add fcpy
9694 alternative to hardware patterns. Add alternatives to copy between
9695 general and floating-point registers to the 32-bit pattern.
9696 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9697 secondary reload to load a QI or HI mode constant into a floating
9699 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9700 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9702 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9705 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9707 (load_macho_picbase_di): Likewise.
9709 2006-02-16 Jeff Law <law@redhat.com>
9711 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9712 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9713 (ssa_name_nonzero_p): Likewise.
9714 (get_value_range): Return NULL if VRP is not running.
9715 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9716 VRP routines do not discover a range.
9717 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9718 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9719 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9720 (tree_expr_nonnegative_p): Similarly.
9721 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9722 (restore_nonzero_vars_to_original_value): Remove.
9723 (unsafe_associative_fp_binop): Remove.
9724 (tree_ssa_dominator_optimize): Remove initialization and
9725 finalization of nonzero_vars and nonzero_vars_stack.
9726 (dom_opt_initialize_block): No longer push marker on
9728 (dom_opt_finalize_block): No longer call
9729 restore_nonzero_vars_to_original_value.
9730 (record_equivalences_from_phis): No longer look for
9731 nonzero PHI arguments.
9732 (cprop_into_successor_phis): No longer propagate nonzero
9733 property into PHI arguments. Lose unused argument. Caller
9735 (record_equivalences_from_stmt): No longer record nonzero
9736 values for SSA_NAMEs.
9737 (lookup_avail_expr): No longer use nonzero_vars.
9739 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9740 for sizetype when sizetype is unsigned.
9742 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9744 PR rtl-optimization/25603
9745 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9746 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9747 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9748 with new meaning of SETS.
9750 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9755 * config/linux.opt: New file.
9756 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9757 LINUX_DYNAMIC_LINKER): Define.
9758 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9759 * config.gcc (*-*-linux*): Define extra_options.
9760 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9761 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9762 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9763 GLIBC_DYNAMIC_LINKER.
9764 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9765 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9766 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9767 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9768 * doc/invoke.texi (GNU/Linux Options): New section.
9770 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9772 * config/sparc/sparc.md (setjmp): Rewrite.
9773 (setjmp_32): Delete.
9774 (setjmp_64): Likewise.
9776 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9778 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9781 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9783 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9786 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9788 PR rtl-optimization/26296
9789 * Makefile.in (loop-invariant.c): Add except.h dependency.
9790 * loop-invariant.c: Include except.h.
9791 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9793 2005-02-16 Paul Brook <paul@codesourcery.com>
9795 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9798 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9800 PR rtl-optimization/25636
9801 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9802 when deciding whether an insn is an initializing insn.
9804 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9806 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9807 (tree_code_size): Ditto.
9808 * tree.h (struct tree_memory_tag): Remove parent_var.
9809 (struct tree_struct_field_tag): New.
9812 (union tree_node): Add sft member.
9813 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9815 (create_sft): Add size and offset argument, set SFT_OFFSET and
9817 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9818 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9819 * tree-flow-inline.h (get_subvar_at): Update for
9820 SFT_OFFSET/SFT_SIZE.
9821 (var_can_have_subvars): Ditto.
9822 (overlap_subvar): Ditto.
9823 * print-tree.c (print_node): Print out interesting things for
9825 * tree-flow.h (struct subvar): Remove offset and size members.
9826 * tree-ssa-operands.c (get_expr_operands): Update for
9827 get_indirect_ref_operands changes.
9828 (get_indirect_ref_operands): Call add_virtual_operand instead of
9829 add_stmt_operand. Only recurse on base var if requested.
9830 (access_can_touch_variable): New function.
9831 (add_stmt_operand): Split virtual operand handling into ...
9832 (add_virtual_operand): Here. Add offset, size, and for_clobber
9833 arguments. Prune alias sets.
9834 (add_call_clobber_ops): Call add_virtual_operand.
9836 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9839 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9841 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9842 than TREE_CODE as index into omp_clause_num_ops array.
9844 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9846 PR rtl-optimization/26184
9847 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9849 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9850 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9851 must_precede, must_follow and tobe_scheduled.
9854 * opts.c (common_handle_option): Free new_option pointer.
9855 * df-core.c (df_analyze): Free postorder pointer.
9857 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9859 * Makefile.in: Fix the examples about the use of stamps
9861 2006-02-15 Michael Matz <matz@suse.de>
9865 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9866 influenced by maximum_field_alignment or DECL_PACKED.
9867 (update_alignment_for_field): Ditto.
9868 (place_field): Ditto.
9869 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9872 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9874 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9875 (debug_flow_info): Pass it.
9876 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9877 * bb-reorder.c (reorder_basic_blocks): Likewise.
9878 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9879 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9880 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9881 * gcse.c (gcse_main, bypass_jumps): Likewise.
9882 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9883 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9884 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9885 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9886 * rtl.h (dump_flow_info): Adjust prototype.
9887 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9888 * var-tracking.c (variable_tracking_main): Likewise.
9889 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9890 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9893 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9895 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9898 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9900 PR tree-optimization/26209
9901 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9902 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9904 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9906 2006-02-14 Roger Sayle <roger@eyesopen.com>
9909 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9910 (X,Y) and the corresponding symmetry related transformations.
9911 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9912 (X,Y) and its symmetry related transformations.
9914 2006-02-14 Roger Sayle <roger@eyesopen.com>
9916 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9919 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9921 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9923 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9926 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9927 support COMDAT group.
9928 * configure: Regenerate.
9930 2006-02-14 Roger Sayle <roger@eyesopen.com>
9935 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9937 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9939 Fix PR tree-optimization/26260
9941 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9943 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9944 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9945 * tree-ssa-structalias.c (create_variable_info_for): Use
9946 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9948 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9950 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9952 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9953 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9954 of the ending condition.
9955 * tree-ssa-loop-manip.c: Include params.h.
9956 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9957 tree_unroll_loop): New functions.
9958 * tree-pass.h (pass_loop_prefetch): Declare.
9959 * loop.c (rest_of_handle_loop_optimize): Test for
9960 -fprefetch-loop-arrays-rtl.
9961 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9962 * timevar.def (TV_TREE_PREFETCH): New timevar.
9963 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9964 pass_loop_prefetch): New.
9965 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9966 (cleanup_tree_cfg_loop): Call scev_reset.
9967 * common.opt (fprefetch-loop-arrays-rtl): Add.
9968 * tree-ssa-loop-prefetch.c: New file.
9969 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9970 (new_temp_expr_table): Initialize expr_vars.
9971 (free_temp_expr_table): Cleanup expr_vars.
9972 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9973 expressions from being merged into one.
9974 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9975 (struct tree_niter_desc): Add control, bound and cmp fields.
9976 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9978 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9979 (tree-cfgcleanup.o): Add SCEV_H dependency.
9980 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9981 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9983 2006-02-14 Richard Guenther <rguenther@suse.de>
9985 PR tree-optimization/26258
9986 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9987 in PHI argument processing.
9989 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9991 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9992 new expression in the requested machine mode.
9994 2006-02-13 Roger Sayle <roger@eyesopen.com>
9996 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9997 directly, instead let do_compare_rtx_and_jump handle this for us.
9998 * expr.c (expand_expr_real_1): Likewise.
9999 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10000 before do_jump_by_parts_greater.
10001 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10002 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10004 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10006 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10008 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10010 PR rtl-optimization/26235
10011 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10012 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10015 2006-02-13 Jeff Law <law@redhat.com>
10017 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10020 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10022 PR middle-end/26092
10023 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10024 twice if decl is a builtin. When trying again, call get_callee_fndecl
10025 first to verify it is still a builtin.
10027 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10029 * dwarf2out.c (base_type_die): Don't add AT_name here.
10030 (subrange_type_die): Don't add AT_name here.
10031 (modified_type_die): Rearrange code flow. Do add AT_name here.
10033 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10035 PR rtl-optimization/26247
10036 PR rtl-optimization/26248
10037 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10039 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10041 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10042 * config/fixtfdi.c: Likewise.
10043 * config/fixunstfdi.c: Likewise.
10044 * config/floatditf.c: Likewise.
10046 2006-02-13 Roger Sayle <roger@eyesopen.com>
10048 PR middle-end/24427
10049 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10050 into (X,C2) if C1 is a subset of the bits of C2. Transform
10051 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10053 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10055 2006-02-13 Josh Conner <jconner@apple.com>
10058 * varasm.c (function_section): Check for section name before
10059 calling select_section on targets that define
10060 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10061 unlikely_text_section instead of hot_function_section if
10062 first_function_block_is_cold.
10064 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10066 PR middle-end/25335
10067 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10069 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10071 PR rtl-optimization/26222
10072 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10073 after tree->rtl expansion.
10074 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10075 before passing it to emit_move_insn.
10077 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10079 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10081 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10082 Clarify documentation.
10083 * c-common.h (warn_write_strings): Remove.
10084 * c-common.c (warn_write_strings): Likewise.
10085 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10088 2006-02-12 Roger Sayle <roger@eyesopen.com>
10090 PR middle-end/25724
10091 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10092 (do_jump_parts_zero_rtx): New function renamed from
10093 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10094 (do_jump_parts_equality_rtx): New function split out from
10095 do_jump_parts_equality. Old implementation renamed as above.
10096 Call do_jump_parts_zero_rtx if either operand is zero.
10097 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10098 do all of the heavy lifting.
10099 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10100 calling either do_jump_by_parts_greater_rtx or
10101 do_jump_by_parts_equality_rtx.
10102 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10103 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10104 moved to do_compare_rtx_and_jump, call it directly.
10105 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10106 mode argument. Call do_compare_rtx_and_jump.
10107 (emit_case_nodes): Update calls to do_jump_if_equal.
10109 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10111 PR rtl-optimization/26225
10112 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10114 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10116 PR rtl-optimization/26232
10117 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10119 2006-02-11 Jason Merrill <jason@redhat.com>
10122 * tree-inline.c (declare_return_variable): Just don't use the
10123 modify target if it's a gimple complex reg and the return slot
10126 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10128 * doc/contrib.texi: Update my entry.
10130 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10132 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10134 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10136 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10139 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10141 * doc/invoke.texi (-floop-optimize2): Removed.
10142 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10143 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10144 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10145 * common.opt (floop-optimize2): Removed.
10146 (fmove-loop-invariants): Enabled by default.
10148 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10150 * tree-if-conv.c (combine_blocks): Free the result of
10151 get_loop_exit_edges.
10153 2006-02-10 Jeff Law <law@redhat.com>
10155 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10157 PR tree-optimization/26213
10158 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10159 loop trying to follow SSA_NAME_VALUE chains.
10161 2006-02-10 Richard Guenther <rguenther@suse.de>
10163 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10164 deal with structures that end in implicitly variable sized arrays.
10166 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10168 PR rtl-optimization/24762
10169 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10172 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10174 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10175 (struct ivopts_data): Add regs_used field.
10176 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10177 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10178 instead of loop_data->regs_used;
10179 (free_loop_data): Do not free aux fields for loops.
10180 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10181 and tree_ssa_iv_optimize_finalize.
10183 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10185 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10187 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10190 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10191 computing the effective result type.
10193 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10195 PR inline-asm/16194
10196 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10197 (tree_overlaps_hard_reg_set): Declare.
10198 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10199 type and signature to match function type expected by walk_tree.
10200 (tree_overlaps_hard_reg_set): New function.
10201 (decl_conflicts_with_clobbers_p): Rename to:
10202 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10203 Use tree_overlaps_hard_reg_set. Changed caller.
10204 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10205 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10206 * cris.c (cris_md_asm_clobbers): Likewise.
10208 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10210 * reload1.c (emit_input_reload_insns): Delete code that tries to
10211 inherit using find_equiv_reg.
10213 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10215 * c-common.h (flag_const_strings): Don't declare.
10216 * c-common.c (flag_const_strings): Remove.
10217 * c.opt (fconst_strings): Remove.
10218 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10219 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10220 (c_common_init_options): Don't set flag_const_strings.
10221 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10223 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10225 * arm.md (tlobits_cbranch): New pattern.
10226 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10227 testing a single bit.
10229 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10232 * tree-ssa-pre.c (create_component_ref_by_pieces):
10233 Handle RETURN_DECL like VAR_DECL.
10235 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10237 PR middle-end/26134
10238 * fold-const.c (fold_indirect_ref_1): Fold
10239 "*(foo *)&complexfoo" to "__real__ complexfoo"
10240 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10242 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10244 * tree-flow-inline.h (var_can_have_subvars):
10245 Volatile variables should not have subvariables.
10247 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10250 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10251 multiplying unsigned values.
10254 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10256 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10258 2006-02-08 Jason Merrill <jason@redhat.com>
10261 * tree.def: Elaborate on difference from MODIFY_EXPR.
10262 * doc/c-tree.texi (INIT_EXPR): Likewise.
10263 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10264 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10265 (gimplify_target_expr): Likewise.
10266 (gimplify_cond_expr): Remove target handling.
10267 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10268 (gimplify_expr): Clobber it here.
10269 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10270 Do return slot optimization if we have an INIT_EXPR.
10273 * tree-inline.c (declare_return_variable): Also clear
10274 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10277 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10279 PR middle-end/22439
10280 * gimplify.c (gimplify_one_sizepos): Fix typo.
10282 2006-02-08 Jeff Law <law@redhat.com>
10284 PR tree-optimization/21417
10285 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10286 across a backedge if the control statement at the end of the
10287 block is data dependent on other statements in the same block.
10288 (record_temporary_equivalences_from_stmts): Remove over-conservative
10289 test for threading across backedges.
10291 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10292 control statement, handle all three special cases in the same
10293 manner as they all have the same desired solution. No longer
10294 special case edge flag updating when the post dominator is
10297 2006-02-08 Roger Sayle <roger@eyesopen.com>
10299 * tree.def (CHAR_TYPE): Remove.
10300 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10301 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10302 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10303 (gen_string_type_die): Delete unreachable function.
10305 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10306 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10307 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10308 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10309 * builtins.c (type_to_class): Likewise.
10310 * fold-const.c (fold_convert, build_range_check,
10311 merge_ranges): Likewise.
10312 * expr.c (count_type_elements): Likewise.
10313 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10314 * stor-layout.c (layout_type): Likewise.
10315 * ipa-type-escape.c (type_to_consider): Likewise.
10316 * gimplify.c (omp_firstprivatize_type_sizes,
10317 gimplify_type_sizes): Likewise.
10318 * explow.c (promote_mode): Likewise.
10319 * tree-sra.c (is_sra_scalar_type): Likewise.
10320 * varasm.c (output_constant): Likewise.
10321 * tree-inline.c (remap_type_1): Likewise.
10322 * convert.c (convert_to_pointer, convert_to_real,
10323 convert_to_integer, convert_to_complex): Likewise.
10325 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10327 * df-scan.c (df_def_record_1): A set destination may
10328 be a parallel regardless of mode.
10330 2006-02-08 Roger Sayle <roger@eyesopen.com>
10333 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10334 * config/mips/_tilib.c: Remove.
10335 * config/fixtfdi.c: New libgcc source file.
10336 * config/fixunstfdi.c: New source file.
10337 * config/floatditf.c: New source file.
10338 * config/floatunditf.c: New souce file.
10339 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10340 files above instead of config/mips/_tilib.c.
10341 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10343 2006-02-08 Jeff Law <law@redhat.com>
10345 PR tree-optimization/26169
10346 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10349 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10351 * df.h (DF_REG_SIZE): Return the length of the initialized
10354 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10356 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10357 __muldf3): Return a correctly signed zero.
10359 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10361 * passes.c (register_one_dump_file): Accept the current properties
10362 instead of pass number. Adjust call to dump_register. Remove
10364 (register_dump_files): Now a wrapper around...
10365 (register_dump_files_1): ... this one. Do not modify the pass
10367 (next_pass_1): Cosmetic fix.
10368 (execute_todo): Keep second parameter only. Use curr_properties
10369 instead of fetching it from the pass structure. Check and set
10371 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10372 instead of fetching it from the pass structure. Fix calls to
10373 execute_todo. Update curr_properties and initialize .vcg RTL dump
10374 after running the pass. Reset last_verified.
10375 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10377 (FIRST_AUTO_NUMBERED_DUMP): New.
10378 (dump_register): Remove "num" parameter, assign it within the
10380 (get_dump_file_name): Modify template for dumps.
10381 * tree-dump.h (dump_register): Adjust prototype.
10382 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10383 (PROP_trees): Add PROP_gimple_lomp.
10384 (TODO_set_props): New.
10385 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10386 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10387 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10389 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10391 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10392 (sparc64-*-linux*): Likewise.
10393 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10394 * config/sparc/t-linux: New file.
10395 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10396 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10397 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10398 -m32 -mlong-double-128.
10400 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10401 * config/alpha/t-linux: New file.
10402 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10404 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10405 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10406 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10407 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10408 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10409 (CPP_ARCH32_SPEC): Remove.
10411 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10413 PR tree-optimization/26145
10414 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10417 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10420 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10421 >= 240000 when generating code for SOM runtime.
10422 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10423 to $$dyncall when generating code for SOM runtime..
10425 2006-02-07 Dirk Mueller <dmueller@suse.com>
10428 * doc/invoke.texi (-Wsequence-point): Update documentation
10429 that -Wsequence-point is implemented for C++ as well.
10431 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10433 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10434 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10435 (LIB_SPEC): Likewise.
10436 * doc/invoke.texi (SPARC options): Document -pthread.
10438 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10440 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10443 2006-02-07 Roger Sayle <roger@eyesopen.com>
10445 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10446 Correct comment describing BOOLEAN_TYPE.
10448 2006-02-07 Dirk Mueller <dmueller@suse.com>
10450 * c.opt: C++ frontend supports -Wdiv-by-zero.
10451 * c-opts.c (c_common_handle_option): Remove dead case.
10453 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10455 * configure.ac (TLS assembler check): Do not enable TLS by
10456 default on SPARC/Solaris before version 10.
10457 * configure: Regenerate.
10459 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10461 * doc/invoke.texi (xl-compat): Document conversion and support
10464 2006-02-07 Jeff Law <law@redhat.com>
10466 * tree-vrp.c (find_conditional_asserts): Update comments.
10467 (simplify_stmt_for_jump_threading): New.
10468 (identify_jump_threads, finalize_jump_threads): New.
10469 (vrp_finalize): Call identify_jump_threads.
10470 (execute_vrp): Call finalize_jump_threads.
10471 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10472 (vrp_element, vrp_data, vrp_element_p): Remove.
10473 (vrp_hash_elt, vrp_variables_stack): Remove.
10474 (vrp_hash, vrp_eq, record_range): Remove.
10475 (simplify_cond_and_lookup_avail_expr): Remove.
10476 (extract_range_from_cond): Remove.
10477 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10478 (simplify_stmt_for_jump_threading): New.
10479 (dom_thread_across_edge): New wrapper.
10480 (tree_ssa_dominator_optimize): No longer initialize or
10481 finalize any of the VRP datastructures. Remove iteration
10482 step and simplify as a result of removal of iteration step.
10483 (pass_dominator): Perform a cfg cleanup after DOM.
10484 (dom_opt_finalize_block): Use the new common routines
10485 for threading jumps. Simplify stack management slightly.
10486 No longer need to unwind VRP state.
10487 (record_equivalences_from_incoming_edge): No longer record
10489 (eliminate_redundant_computations): No longer call
10490 simplify_cond_and_lookup_avail_expr.
10491 * tree-flow.h (potentially_threadable_block): Prototype.
10492 (thread_across_edge): Likewise.
10493 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10494 (tree-ssa-threadedge.o): Add dependencies.
10495 * tree-ssa-threadedge.c: New file.
10496 * passes.c (init_optimization_passes): Merge PHIs before
10497 calling VRP. Run VRP again late in the SSA optimization pipeline.
10499 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10501 * df-core.c (df_set_blocks): Do not dereference function pointers.
10502 (df_finish1): Likewise.
10503 (df_hybrid_search_forward): Likewise.
10504 (df_hybrid_search_backward): Likewise.
10505 (df_iterative_dataflow): Likewise.
10506 (df_analyze_problem): Likewise.
10507 (df_compact_blocks): Likewise.
10508 (df_dump): Likewise.
10509 * df-scan.c (df_rescan_blocks): Likewise.
10510 (df_record_entry_block_defs): Likewise.
10512 * genconditions.c (write_conditions): Guard the definition of
10513 'insn_conditions' with the check on GCC version.
10514 (write_writer): Guard the traversal 'insn_conditions' with
10515 the check on GCC version.
10517 2006-02-07 Richard Guenther <rguenther@suse.de>
10521 2006-01-30 Richard Guenther <rguenther@suse.de>
10523 * gimplify.c (gimplify_target_expr): Handle easy cases
10524 without creating a temporary.
10526 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10528 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10529 use of float in probability computations. Use edge probabilities
10530 in place of statically computed probabilities.
10531 (min_spec_prob): New static variable.
10532 (schedule_insns): Initialize it.
10533 (GET_SRC_PROB): Removed.
10534 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10536 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10539 * config/ia64/unwind-ia64.c: Revert last change.
10540 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10541 (INCOMING_FRAME_SP_OFFSET): Define.
10543 2006-02-06 Roger Sayle <roger@eyesopen.com>
10545 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10547 2006-02-07 Ben Elliston <bje@au.ibm.com>
10549 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10550 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10551 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10552 (ix86_return_in_memory): Handle TDmode.
10553 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10554 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10556 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10558 * reorg.c (dbr_schedule): Use dump_file instead of file.
10560 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10563 * config/ia64/predicates.md (extr_len_operand): New predicate.
10564 * config/ia64/ia64.md (extv): Tighten constraints.
10566 (*tbit_and_2): Ditto.
10567 (*tbit_and_3): Ditto.
10568 (*tbit_or_2): Ditto.
10569 (*tbit_or_3): Ditto.
10570 (*bit_zero): Ditto.
10573 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10576 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10578 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10580 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10581 loop_optimizer_init and loop_optimizer_finalize
10582 * tree-ssa-sink.c (execute_sink_code): Ditto.
10583 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10584 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10585 tree_ssa_loop_done): Ditto.
10586 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10587 * sched-ebb.c: Include output.h.
10588 (schedule_ebbs): Do not use dump argument.
10589 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10590 * loop.c (loop_dump_stream): Removed.
10591 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10593 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10594 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10595 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10596 loop_iterations, strength_reduce, record_biv, record_giv,
10597 final_giv_value, check_final_value, check_ext_dependent_givs,
10598 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10599 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10600 dump_file instead of loop_dump_stream.
10601 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10602 argument dump_file.
10603 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10605 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10606 * haifa-sched.c: Include output.h
10607 (schedule_insns, sched_init): Do not use dump argument.
10608 * mode-switching.c (optimize_mode_switching): Ditto.
10609 * modulo-sched.c (stats_file): Removed.
10610 (print_node_sched_params): Do not call argument dump_file.
10611 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10612 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10614 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10616 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10617 rtl_loop_init, rtl_loop_done): Ditto.
10618 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10619 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10621 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10622 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10623 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10624 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10625 * emit-rtl.c (renumber_insns): Ditto.
10626 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10627 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10628 * regclass.c (regclass): Ditto.
10629 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10630 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10631 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10632 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10634 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10635 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10637 * gcse.c (gcse_file, debug_stderr): Removed.
10638 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10639 rest_of_handle_gcse): Do not use dump argument.
10640 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10641 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10642 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10643 compute_code_hoist_vbeinout, compute_code_hoist_data,
10644 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10645 compute_store_table, build_store_vectors, insert_insn_start_bb,
10646 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10647 store_motion): Use dump_file instead of gcse_file.
10648 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10649 * profile.c (profile_dump_file): Removed.
10650 (branch_prob): Use dump_file instead of profile_dump_file.
10651 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10653 * tree-ssa-copy.c (dump_copy_of): Ditto.
10654 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10655 dump file to life_analysis.
10656 * bt-load.c (branch_target_load_optimize): Ditto.
10657 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10659 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10660 regclass, dbr_schedule): Declaration changed.
10661 * sched-int.h (sched_init): Declaration changed.
10662 * tree-profile.c (tree_profile_dump_file): Removed.
10663 (tree_profile_hooks): Removed profile_dump_file hook.
10664 * rtl-profile (rtl_profile_dump_file): Removed.
10665 (rtl_profile_hooks): emoved profile_dump_file hook.
10666 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10668 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10669 * tree-cfg.c (build_tree_cfg): Ditto.
10670 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10671 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10672 Declaration changed.
10673 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10674 life_analysis and schedule_insns.
10675 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10677 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10679 * config/mips/mips.c (mips_reorg): Ditto.
10680 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10683 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10685 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10686 (s390_mangle_fundamental_type): New.
10687 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10690 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10691 (alpha_mangle_fundamental_type): New.
10692 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10695 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10697 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10699 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10700 (sparc_mangle_fundamental_type): New.
10702 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10704 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10705 (s390x-*-linux*): Likewise.
10706 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10707 * config/s390/t-linux: New file.
10709 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10711 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10712 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10714 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10716 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10717 (ANTIC_SAFE_LOADS): New macro.
10718 (find_or_generate_expression): Add prototype.
10719 (set_contains_value): Allow null set for sake of not always having
10720 to allocate ANTIC_SAFE_LOADS.
10721 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10722 Allow COMPONENT_REF too.
10723 (valid_in_set): Allow COMPONENT_REF.
10724 Check ANTIC_SAFE_LOADS too.
10725 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10726 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10728 (can_PRE_operation): Add COMPONENT_REF.
10729 (create_component_ref_by_pieces): New function.
10730 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10731 (insert_aux): Move AGGREGATE_TYPE_P check here.
10732 (compute_avail): Set bb local stmt uids.
10733 (pass_pre): Use TODO_update_ssa_only_virtuals.
10735 2006-02-06 Ben Elliston <bje@au.ibm.com>
10737 * configure.ac: Unconditionally disable decimal float by default.
10738 * configure: Regenerate.
10740 2006-02-06 Ben Elliston <bje@au.ibm.com>
10742 * read-rtl.c (read_name): Terminate reading on EOF.
10744 2006-02-06 Ben Elliston <bje@au.ibm.com>
10746 * dfp.c (decimal_real_arithmetic): Change second argument type
10747 from int to enum tree_code. Do not always return true, but now
10748 return result of any call to decimal_do helper functions.
10749 * dfp.h (decimal_real_arithmetic): Update prototype.
10751 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10753 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10755 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10758 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10761 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10763 * tree-vrp.c (cfg_loops): Removed.
10764 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10765 Use current_loops instead of cfg_loops. Pass flags to
10766 loop_optimizer_init.
10767 * cfgloopmanip.c (fix_loop_structure): Update only available
10769 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10770 loop_optimizer_init.
10771 * modulo-sched.c (build_loops_structure): Removed.
10772 (sms_schedule): Use loop_optimizer_init.
10773 * loop-init.c (loop_optimizer_init): Use flags to determine
10774 which properties of loops to prepare.
10775 (rtl_loop_init): Pass flags to loop_optimizer_init.
10776 * tree-ssa-sink.c (execute_sink_code): Ditto.
10777 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10778 * tree-ssa-pre.c (init_pre): Ditto.
10779 * cfgloop.h (LOOPS_NORMAL): New.
10780 (loop_optimizer_init): Declaration changed.
10782 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10784 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10785 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10787 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10789 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10791 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10792 * pa/t-pa64: Delete quadlib.c rule.
10793 * pa/x-ada: Revert last change.
10794 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10796 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10798 PR rtl-optimization/26087
10799 * rtlanal.c (canonicalize_condition): Do not cross basic block
10802 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10805 * config/ia64/ia64.c: Include debug.h.
10806 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10807 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10808 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10809 (process_epilogue, process_set, process_for_unwind_directive):
10810 Output unwind info only if requested. Add CFA info if requested.
10811 Add new arguments as needed. Adjust callers.
10812 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10814 (DWARF2_FRAME_INFO): Define to zero.
10815 * config/ia64/unwind-ia64.c: Remove code that compensated for
10816 the CFA offset error fixed above.
10817 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10818 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10819 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10820 -funwind-tables and -fexceptions to enable frame info.
10821 (dwarf2out_frame_init): Define initial CFA even if
10822 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10823 DWARF2_UNWIND_INFO is nonzero, not just defined.
10824 (dwarf2out_frame_finish): Output non-EH call frame info only
10825 if DWARF2_FRAME_INFO is nonzero.
10826 (convert_cfa_to_loc_list,
10827 compute_frame_pointer_to_cfa_displacement): Define even if
10828 unwind info is not supported.
10829 (gen_subprogram_die): Use the above unconditionally. Remove
10830 legacy alternate code.
10831 * toplev.c (compile_file): Compile in call to
10832 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10833 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10835 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10836 Jakub Jelinek <jakub@redhat.com>
10838 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10839 IBM extended float format long double as "g" on powerpc*-linux.
10841 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10844 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10845 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10847 2006-02-03 Jason Merrill <jason@redhat.com>
10850 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10852 PR middle-end/25977
10853 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10854 on the return slot if it's an NRV.
10856 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10858 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10859 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10860 rewrite_use): Do not handle USE_OUTER.
10861 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10862 add_iv_outer_candidates, may_replace_final_value,
10863 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10864 (find_interesting_uses_op): Functionality of
10865 find_interesting_uses_outer_or_nonlin moved here.
10866 (find_interesting_uses_outside): Use find_interesting_uses_op.
10868 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10871 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10873 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10874 Ulrich Weigand <uweigand@de.ibm.com>
10877 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10878 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10879 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10880 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10882 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10883 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10884 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10885 Define secondary reloads for TFmode moves.
10886 (constant_modes): Add TFmode.
10887 (NR_C_MODES): Set to 8.
10888 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10890 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10891 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10892 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10893 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10894 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10895 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10896 (FPR mode macro): Add TFmode.
10897 (DSF mode macro): New.
10898 (<de>, <dee> mode attributes): Removed.
10899 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10900 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10901 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10902 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10903 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10904 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10905 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10906 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10907 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10908 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10909 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10910 "*negabs<mode>2", "sqrt<mode>2"):
10911 Changed <de> to <xde>. R constraint replaced by <Rf>.
10912 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10914 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10915 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10916 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10918 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10919 "extenddftf2", "extendsftf2"): New expanders.
10920 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10921 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10922 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10923 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10925 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10926 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10927 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10928 __floatditf): Add a GCC_4.1.0 symbol version tag.
10929 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10932 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10935 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10936 Use targetm.binds_local_p instead of TREE_PUBLIC.
10938 2006-02-02 Roger Sayle <roger@eyesopen.com>
10940 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10941 on INTEGER_TYPEs to indicate that it denotes a character type.
10942 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10943 signed_char_type_node, unsigned_char_type_node and char_type_node.
10944 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10945 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10946 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10948 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10949 Daniel Berlin <dberlin@dberlin.org>
10951 * tree-tailcall.c (arg_needs_copy_p): New function.
10952 (eliminate_tail_call): Use arg_needs_copy_p.
10953 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10954 (add_virtual_phis): New function.
10956 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10958 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10959 #ignore instead of #scratch for %g7 .register directive.
10961 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10963 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10966 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10968 * flow.c (calculate_global_regs_live): Assert that there aren't any
10971 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10973 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10974 what its name says.
10975 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10976 bsi_after_labels iterator.
10977 * tree-if-conv.c (find_phi_replacement_condition,
10978 replace_phi_with_cond_modify_expr): Likewise.
10979 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10980 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10982 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10984 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10986 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10989 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10990 array after growing it.
10992 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10994 PR middle-end/24901
10995 * fold-const.c (fold_checksum_tree): Change type of buf.
10997 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10999 * reload.c (push_secondary_reload): Initialize t_icode.
11001 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11003 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11004 -msoft-float -mlong-double-128 only issue a warning, but don't
11005 swich to DFmode long double.
11007 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11009 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11010 has a constant equivalent, iterate over equivalents for arg0,
11011 calling simplify_relational_operation and if there's a result
11012 cheaper than X, apply fold_rtx and return the result.
11014 2006-02-01 Jan Hubicka <jh@suse.cz>
11016 * opts.c (no_unit_at_a_time_default): New global variable.
11017 (decode_options): Use it.
11018 * opts.h (no_unit_at_a_time_default): Declare.
11020 2006-02-01 Paul Brook <paul@codesourcery.com>
11022 * function.c (assign_parm_setup_reg): Use function argument promotion
11024 * expr.c (expand_expr_real_1): Use function argument promotion rules
11027 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11029 * gcc.c (process_command): Change j to 'unsigned int'.
11031 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11033 PR middle-end/26001
11034 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11035 Use the corrected index for the character
11036 out of the string constant.
11038 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11040 * mode-switching.c (optimize_mode_switching): Fix size
11041 allocated for bb_info[n_entities].
11043 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11045 * gcc.c (main): Correct type that is allocated for
11046 explicit_link_files.
11048 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11050 * config/s390/s390.c (init_alignment_context): Set
11051 ALIAS_SET_MEMORY_BARRIER on the MEM.
11052 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11054 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11056 PR middle-end/25933
11057 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11059 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11062 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11064 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11065 * regrename.c: Ditto.
11066 * tree-ssa-loop-im.c: Ditto.
11067 * tree-dump.c: Ditto.
11068 * tree-complex.c: Ditto.
11069 * genrecog.c: Ditto.
11070 * tree-ssa-threadupdate.c: Ditto.
11072 * java/class.c: Ditto.
11073 * java/jcf-parse.c: Ditto.
11074 * java/resource.c: Ditto.
11075 * java/except.c: Ditto.
11076 * java/jvspec.c: Ditto.
11077 * java/jcf-write.c: Ditto.
11078 * java/jcf-path.c: Ditto.
11079 * java/gjavah.c: Ditto.
11080 * java/zextract.c: Ditto.
11081 * java/jcf-io.c: Ditto.
11082 * java/jcf.h: Ditto.
11083 * java/buffer.c: Ditto.
11084 * java/lang.c: Ditto.
11085 * java/parse-scan.y: Ditto.
11086 * java/lex.c: Ditto.
11087 * java/lex.h: Ditto.
11088 * cfgloopmanip.c: Ditto.
11089 * postreload-gcse.c: Ditto.
11090 * tree-ssa-loop-manip.c: Ditto.
11091 * postreload.c: Ditto.
11092 * tree-ssa-loop-ch.c: Ditto.
11095 * cppspec.c: Ditto.
11096 * diagnostic.c: Ditto.
11098 * genoutput.c: Ditto.
11100 * cfghooks.c: Ditto.
11101 * cfgloopanal.c: Ditto.
11102 * objc/objc-act.c: Ditto.
11104 * genextract.c: Ditto.
11105 * genautomata.c: Ditto.
11106 * pretty-print.c: Ditto.
11107 * genemit.c: Ditto.
11108 * cgraphunit.c: Ditto.
11110 * df-scan.c: Ditto.
11111 * haifa-sched.c: Ditto.
11112 * dominance.c: Ditto.
11114 * tree-ssa-loop-ivopts.c: Ditto.
11115 * df-core.c: Ditto.
11116 * mode-switching.c: Ditto.
11117 * modulo-sched.c: Ditto.
11119 * ipa-pure-const.c: Ditto.
11121 * fix-header.c: Ditto.
11123 * tree-stdarg.c: Ditto.
11124 * ipa-utils.c: Ditto.
11125 * loop-init.c: Ditto.
11126 * ipa-inline.c: Ditto.
11127 * cfganal.c: Ditto.
11129 * alloc-pool.c: Ditto.
11130 * dwarf2out.c: Ditto.
11132 * genattrtab.c: Ditto.
11133 * tree-ssa-loop-ivcanon.c: Ditto.
11134 * predict.c: Ditto.
11135 * timevar.c: Ditto.
11137 * fortran/gfortranspec.c: Ditto.
11138 * regmove.c: Ditto.
11139 * local-alloc.c: Ditto.
11140 * langhooks.c: Ditto.
11141 * function.c: Ditto.
11142 * tree-vectorizer.c: Ditto.
11144 * ipa-type-escape.c: Ditto.
11146 * tree-if-conv.c: Ditto.
11147 * profile.c: Ditto.
11149 * tree-data-ref.c: Ditto.
11150 * loop-unroll.c: Ditto.
11151 * treelang/treetree.c: Ditto.
11153 * bt-load.c: Ditto.
11154 * ggc-common.c: Ditto.
11156 * coverage.c: Ditto.
11158 * tree-cfgcleanup.c: Ditto.
11159 * tree-ssa-pre.c: Ditto.
11160 * cfgcleanup.c: Ditto.
11161 * loop-invariant.c: Ditto.
11162 * loop-iv.c: Ditto.
11163 * ipa-prop.c: Ditto.
11164 * print-tree.c: Ditto.
11165 * conflict.c: Ditto.
11166 * ggc-page.c: Ditto.
11167 * sched-deps.c: Ditto.
11168 * regclass.c: Ditto.
11169 * tree-object-size.c: Ditto.
11170 * combine.c: Ditto.
11171 * bb-reorder.c: Ditto.
11172 * resource.c: Ditto.
11173 * var-tracking.c: Ditto.
11174 * cfgloop.c: Ditto.
11175 * df-problems.c: Ditto.
11176 * reg-stack.c: Ditto.
11178 * gccspec.c: Ditto.
11179 * sched-rgn.c: Ditto.
11180 * tree-ssa-structalias.c: Ditto.
11181 * tree-ssa-reassoc.c: Ditto.
11182 * config/darwin-c.c: Ditto.
11183 * config/darwin.c: Ditto.
11184 * config/arm/arm.c: Ditto.
11186 * collect2.c: Ditto.
11187 * reload1.c: Ditto.
11189 2006-01-31 Nicolas Pitre <nico@cam.org>
11191 * arm.md (smaxsi3): Make aware of smax_m1.
11194 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11196 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11198 2006-01-31 Richard Guenther <rguenther@suse.de>
11200 * doc/invoke.texi (-msselibm): Document.
11201 * target.h (expand_library_builtin): New target hook.
11202 * builtins.c (expand_builtin): Use expand_library_builtin.
11203 (default_expand_library_builtin): New function.
11204 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11205 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11206 (link_gcc_math_spec): Declare.
11207 (static_specs): Add link_gcc_math_spec.
11208 * expr.h (default_expand_library_builtin): Declare.
11209 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11210 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11211 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11212 * config/i386/i386.opt (msselibm): New target option.
11213 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11214 (ix86_init_sse_abi_builtins): New function.
11215 (ix86_expand_library_builtin): Likewise.
11216 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11217 (override_options): Handle error conditions wrt -msselibm.
11218 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11219 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11220 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11223 2006-01-31 Richard Guenther <rguenther@suse.de>
11224 Paolo Bonzini <bonzini@gnu.org>
11226 * doc/install.texi (--disable-libgcc-math): Document.
11228 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11230 * expr.h (expand_normal): new inline function.
11231 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11232 * dojump.c: use it.
11233 * dwarf2out.c: use it.
11236 * expmed.c: use it.
11237 * except.c: use it.
11238 * config/sparc/sparc.c: use it.
11239 * config/i386/i386.c: use it.
11240 * config/rs6000/rs6000.c: use it.
11241 * config/arm/arm.c: use it.
11242 * config/mips/mips.c: use it.
11243 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11245 2006-01-30 Roger Sayle <roger@eyesopen.com>
11247 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11248 argv to the appropriate type.
11250 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11252 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11255 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11258 * config/s390/s390.c (struct machine_function): New flag
11259 decomposed_literal_pool_addresses_ok_p.
11260 (s390_reorg): Set it before final stage of literal pool transforms.
11261 (s390_decompose_address): Only accept displacements of the form
11262 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11264 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11266 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11267 the comparison routine return.
11269 2006-01-30 Michael Matz <matz@suse.de>
11271 * global.c (find_reg): Only evict for global regs.
11272 Take n_refs into account and dump more info.
11274 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11277 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11278 (pragma_trap, pragma_nosave_low_regs): Likewise.
11279 (current_function_anonymous_args): Likewise.
11280 (sh_deferred_function_attributes): New variable.
11281 (sh_deferred_function_attributes_tail): Likewise.
11282 (print_operand): For '@', look up trap_exit attribute.
11283 (calc_live_regs): Look up trapa_handler attribute. For trapa
11284 handlers, save/restore fpscr, but don't do any other
11285 interrupt-specific saves.
11286 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11287 Fix check for partially saved registers to check for SHmedia.
11288 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11289 (sh_output_function_epilogue): Don't clear any of the removed
11291 (sh_insert_attributes): Don't check pragma_interrupt.
11292 Insert deferred attributes. Check that interrupt attribute is
11293 present for other attributes that require its presence.
11294 (sh_attribute_table): Add new attributes trapa_handler and
11296 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11297 Don't check for pragma_interrupt. Don't store argument.
11298 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11299 (sh_deferred_function_attributes): Declare.
11300 (sh_deferred_function_attributes_tail): Likewise.
11301 * sh.md (sp_switch_1): Add operand. Change generator caller.
11302 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11303 (*return_i): Don't use when trap_exit attribute is in effect.
11304 (*return_trapa): New insn pattern.
11305 * sh-c.c: New file.
11306 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11307 setting c_target_objs and cxx_target_objs.
11308 * t-sh: Add rule for sh-c.o.
11310 2006-01-30 Richard Guenther <rguenther@suse.de>
11313 * gimplify.c (gimplify_target_expr): Handle easy cases
11314 without creating a temporary.
11316 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11318 * vec.h (safe_grow): Remove duplicated line.
11320 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11323 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11324 (expand_omp): ... here.
11325 (expand_omp_parallel): Only remove barriers for combined
11326 parallel+workshare constructs.
11328 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11332 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11333 * tree.c (build_qualified_type): Chain the new type to the original
11334 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11335 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11336 (build_pointer_type_for_mode): Only return unqualified types.
11337 (build_reference_type_for_mode): Likewise.
11339 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11341 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11342 * Makefile.in (CXX_COMPAT_WARN): Define.
11343 * configure: Regenerate.
11345 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11348 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11351 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11353 * toplev.c: Fix thinko.
11355 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11356 Marcin Dalecki <martin@dalecki.de>
11358 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11359 (push_srcloc): Use XNEW.
11360 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11362 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11364 * df-core.c (df_set_blocks): Deleted all variable.
11366 2006-01-28 Ian Lance Taylor <ian@airs.com>
11368 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11369 cgraph_output_pending_asms.
11371 2006-01-28 Zack Weinberg <zackw@panix.com>
11373 * c.opt: Add -W(no-)overlength-strings.
11374 * doc/invoke.texi: Document it.
11375 * c-opts.c (c_common_handle_option): -pedantic implies
11376 -Woverlength-strings, if not explicitly disabled already.
11377 (c_common_post_options): -Woverlength-strings defaults to off, and
11378 is always off for C++.
11379 * c-common.c (fix_string_type): Issue warning about strings longer
11380 than is portable only if warn_overlength_strings. Rearrange code
11381 a little for clarity.
11382 * configure.in: Check for -Wno-overlength-strings as well before
11383 enabling -pedantic in stage 1.
11384 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11385 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11387 * genconditions.c (write_header, write_one_condition)
11388 (write_conditions, write_writer): Consolidate very long strings
11389 that were broken up to fit in C89 portable limit. Don't use
11390 printf when fputs will do.
11392 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11394 * combine.c (simplify_comparison <AND>): Check
11395 TRULY_NOOP_TRUNCATION before start using a subreg.
11397 * config/mips/mips.md (*branch_zero<mode>,
11398 *branch_zero<mode>_inverted, *branch_equality<mode>,
11399 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11400 Remove mode check from comparisons.
11402 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11404 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11406 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11408 * expmed.c (const_mult_add_overflow_p): Remove.
11409 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11411 * recog.c (validate_replace_rtx_subexp): Remove.
11412 * recog.h: Remove the prototype for
11413 validate_replace_rtx_subexp.
11415 * integrate.h: Remove the prototype for
11416 copy_decl_for_inlining.
11417 * rtl.h: Remove the prototype for mark_constant_function.
11418 * tree-vectorizer.h: Remove the prototype for
11419 vect_strip_conversion.
11421 * modulo-sched.c (create_partial_schedule,
11422 free_partial_schedule, reset_partial_schedule): Make them
11425 * hooks.c (hook_bool_rtx_int_false): Remove.
11426 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11428 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11430 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11431 and -mlong-double-128 are incompatible.
11432 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11433 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11434 (TARGET_LIBGCC2_CFLAGS): Define.
11435 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11436 (TARGET_LIBGCC2_CFLAGS): Same.
11437 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11439 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11442 * c-typeck.c (build_binary_op): Perform implicit casts of
11443 operands before shortening them.
11445 * cfgloopmanip.c (split_loop_bb): Remove.
11446 * cfgloop.h: Remove the prototype for split_loop_bb.
11448 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11449 * cfgloop.h: Remove the prototype for
11450 flow_loop_outside_edge_p.
11452 * emit-rtl.c (init_virtual_regs): Make it static.
11453 * function.h: Remove the prototype for init_virtual_regs.
11455 * recog.c (peephole2_optimize): Make it static.
11456 * recog.h: Remove the prototype for peephole2_optimize.
11458 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11460 * df-scan.c (df_record_entry_block_defs): Check if
11461 INCOMING_RETURN_ADDR_RTX is defined.
11463 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11464 Kenneth Zadeck <zadeck@naturalbridge.com>
11466 PR rtl-optimization/24762
11467 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11468 * targhooks.c (hook_void_bitmap): New hook prototype.
11469 * targhoohs.h (hook_void_bitmap): Ditto.
11470 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11471 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11472 * target.h (live_on_entry): New function pointer.
11473 * df-scan.c (df_all_hard_regs): Removed.
11474 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11475 (df_scan_free_internal): Added df->entry_block_defs.
11476 (df_scan_alloc): Ditto.
11477 (df_scan_dump): Ditto.
11478 (df_uses_record): Plumbed flag field properly thru calls.
11479 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11480 This part fixes PR24762.
11481 (df_bb_refs_record): Added code to make the frame and arg
11482 pointers live in EH blocks.
11483 (df_refs_record): Added call to df_record_entry_block_defs.
11484 (df_record_entry_block_defs): New function.
11485 * df-core.c: Added comments to describe new artifical defs.
11486 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11487 (entry_block_defs): New field in struct df.
11488 (df_all_hard_regs): Deleted.
11489 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11490 * df-problems.c (df_ru_bb_local_compute_process_def):
11491 Added code to handle artifical defs in the entry to a function.
11492 (df_ru_bb_local_compute): Ditto.
11493 (df_rd_bb_local_compute_process_def): Ditto.
11494 (df_rd_bb_local_compute): Ditto.
11495 (df_lr_bb_local_compute): Ditto.
11496 (df_ur_bb_local_compute): Ditto.
11497 (df_urec_bb_local_compute): Ditto.
11498 (df_chain_create_bb): Ditto.
11499 (df_ur_local_finalize): Removed entry.
11500 (df_urec_init): Ditto.
11501 (df_urec_local_finalize): Ditto.
11502 (df_ri_bb_compute): Added detection of last use of pseudos.
11503 * Makefile.in (df-scan.o): Updated dependencies.
11504 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11505 * config/mips/mips.c (mips_set_live_on_entry): Added.
11506 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11508 * dce.c (marked_insn_p): Added code to handle artifical defs.
11510 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11512 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11514 (_mm_cvtsi128_si64): Likewise.
11515 (_mm_cvtsd_si64): Likewise.
11516 (_mm_cvttsd_si64): Likewise.
11517 (_mm_cvtsi64_sd): Likewise.
11518 (_mm_cvtsi64_si128): Likewise.
11519 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11520 (_mm_cvtsi64_m64): Likewise.
11521 (_m_to_int64): Likewise.
11522 (_mm_cvtm64_si64): Likewise.
11523 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11524 (_mm_cvttss_si64): Likewise.
11525 (_mm_cvtsi64_ss): Likewise.
11526 (_mm_cvtss_f32): Likewise.
11528 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11530 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11531 for pragma redefine_extname.
11533 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11536 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11537 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11538 -mno-minimal-toc to previous content.
11539 (bispecs): Remove goal.
11540 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11541 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11542 compatibility aliases on powerpc-*-*gnu*.
11543 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11544 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11545 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11546 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11547 (ldblspecs): New goal.
11548 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11549 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11551 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11552 L_sf_to_tf or L_df_to_tf is defined.
11554 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11555 Alan Modra <amodra@bigpond.net.au>
11558 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11559 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11560 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11561 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11562 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11563 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11564 (rs6000_override_options): Initialize rs6000_ieeequad.
11565 Initialize TFmode format to ibm_extended_format if not
11567 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11569 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11570 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11571 (function_arg_advance): IBM long double passed in two FPRs, not
11573 (function_arg): IBM long double passed in FPRs.
11574 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11575 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11576 Only multireg GPR aligned.
11577 (rs6000_init_libfuncs): Enable IBM long double functions if not
11579 (rs6000_generate_compare): Use IBM long double compare if not
11581 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11582 (TARGET_IEEEQUAD): Define.
11583 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11584 not TARGET_IEEEQUAD.
11585 * config/rs6000/rs6000.md: Enable TFmode patterns if
11587 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11588 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11589 and -mlong-double-128 are incompatible.
11590 * doc/invoke.texi (-mabi): Collect options together. Add
11591 ibmlongdouble and ieeelongdouble.
11593 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11595 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11597 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11598 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11599 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11600 * rtl.h (rtunion_def): Remove rt_ptr.
11602 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11603 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11604 * config/i386/winnt.c (i386_pe_mark_dllexport)
11605 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11607 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11609 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11611 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11615 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11616 pthread_key_delete. From John David Anglin. gthrw-ify
11617 pthread_getunique_np only if it it's not a macro. Delete
11619 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11620 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11621 __gthread_objc_condition_signal, __gthread_key_delete): Add
11622 "__attribute__ ((__unused__))" to unused arguments.
11623 (__gthread_recursive_mutex_init_function): Add missing return.
11624 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11625 gthr-posix95.h: Use macro-based approach for name redirection
11626 on targets missing weakref.
11628 2006-01-26 Zack Weinberg <zackw@panix.com>
11630 * genconditions.c (write_header): In generated code, #ifdef out
11631 all includes and fake declarations, except includes of bconfig.h
11632 and system.h, unless GCC_VERSION >= 3001. Do not include
11633 gensupport.h in any case.
11634 (write_conditions): Generate a definition of struct c_test. Add
11635 a comment to the generated #endif.
11636 (write_one_condition): Escape backslashes in string too.
11637 (write_writer): Generated code must escape backslashes and quote
11638 marks (but not newlines) in the strings it writes.
11639 * Makefile.in (build/gencondmd.o): Update dependencies.
11641 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11644 * Makefile.in (insn-automata.o): Add header file dependencies.
11645 * genautomata.c: Add includes.
11647 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11650 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11652 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11654 * configure.ac: Expect target tools paths to be passed from the toplevel
11655 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11657 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11659 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11662 * c.opt (Wpointer-sign): Init to -1.
11663 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11664 OPT_pedantic, to 0 otherwise.
11665 * doc/invoke.texi: Update.
11667 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11669 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11670 constants provided by 80387 instructions in the destination mode.
11672 2006-01-26 Richard Guenther <rguenther@suse.de>
11673 Andrew Pinski <pinskia@physics.uc.edu>
11676 partial PR tree-opt/17064
11677 * tree-ssa-structalias.c (intra_create_variable_infos):
11678 Create heap variables for incoming parameters if
11679 flag_argument_noalias > 1.
11680 (find_what_p_points_to): Look through default defs of
11683 2006-01-26 Jeff Law <law@redhat.com>
11686 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11687 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11688 within the VR_RANGE, use the VR_RANGE as the result, not the
11690 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11691 bounds for the type.
11693 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11695 * tree-ssa-alias.c (maybe_create_global_var): Change
11696 subvar walking to an assertion that we don't have subvar'd variables.
11698 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11701 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11702 Use a new variable, inner. PARM_DECLs are always non-weak.
11704 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11706 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11707 --disable-checking.
11709 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11711 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11713 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11715 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11716 (smax_insn, smin_insn, smax_0, smin_0): New.
11718 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11721 * config/cris/cris.c (cris_order_for_addsi3): New function.
11722 * config/cris/cris-protos.h: Prototype it.
11723 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11724 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11725 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11726 (split for "op.S1 [rx=rx+i],ry (swapped)")
11727 (split for "op(s|u).S1 [rx=rx+i],ry")
11728 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11729 Apply cris_order_for_addsi3 when generating addsi3 insns.
11731 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11733 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11734 (TREE_BLOCK): Add call to EXPR_CHECK.
11736 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11739 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11740 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11741 (dump_omp_clauses): ... here.
11742 (dump_generic_node): Handle OMP_CLAUSE.
11743 * tree.c (omp_clause_num_ops): New.
11744 (omp_clause_code_name): New.
11745 (tree_code_size): Handle OMP_CLAUSE.
11746 (tree_size): Likewise.
11747 (make_node): Document handling of OMP_CLAUSE.
11748 (tree_node_structure): Handle OMP_CLAUSE.
11749 (omp_clause_check_failed): New.
11750 (omp_clause_range_check_failed): New.
11751 (omp_clause_operand_check_failed): New.
11752 (build_omp_clause): New.
11753 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11754 * tree.h (enum omp_clause_code): Declare.
11755 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11756 (OMP_CLAUSE_RANGE_CHECK): Define.
11757 (OMP_CLAUSE_ELT_CHECK): Define.
11758 (omp_clause_check_failed): Declare.
11759 (omp_clause_operand_check_failed): Declare.
11760 (omp_clause_range_check_failed): Declare.
11761 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11762 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11763 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11764 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11765 (OMP_CLAUSE_IF_EXPR): Likewise.
11766 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11767 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11768 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11769 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11770 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11771 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11772 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11773 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11774 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11775 (OMP_CLAUSE_CODE): Define.
11776 (OMP_CLAUSE_SET_CODE): Define.
11777 (OMP_CLAUSE_CODE): Define.
11778 (OMP_CLAUSE_OPERAND): Define.
11779 (struct tree_omp_clause): Declare.
11780 (union tree_node): Add field 'omp_clause'.
11781 * treestruct.def (TS_OMP_CLAUSE): Define.
11782 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11783 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11784 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11785 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11786 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11787 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11788 (OMP_CLAUSE): Define.
11789 * print-tree.c (print_node): Handle OMP_CLAUSE.
11790 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11791 * c-typeck.c: Likewise.
11792 * gimplify.c: Likewise.
11793 * c-omp.c: Likewise.
11794 * tree-nested.c: Likewise.
11795 * tree-inline.c: Likewise.
11796 * c-parser.c: Likewise.
11797 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11800 2006-01-25 Roger Sayle <roger@eyesopen.com>
11802 PR rtl-optimization/25703
11803 * combine.c (try_combine): Handle zero_extract and strict_low_part
11804 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11806 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11808 * global.c: Fix comment typos.
11810 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11813 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11814 Use output_addr_const instead of assemble_name.
11816 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11818 * Makefile.in (sched-vis.o): Update dependencies.
11819 * haifa-sched.c (sched_finish): Clear current_sched_info.
11820 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11821 (dump_flow_info): Call it.
11822 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11824 * basic-block.h (dump_bb_info): Declare.
11825 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11826 option, and apply options only for dump files whose TDF_RTL,
11827 TDF_TREE, or TDF_IPA bits match.
11828 * rtl.h: Declare new functions exported from sched-vis.c.
11829 * sched-vis.c: Enable also if scheduling is not used.
11830 (print_value): Print the mode of registers if not inside scheduling.
11831 (print_insn): Make it work outside the scheduler. Beautify the output
11833 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11835 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11837 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11838 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11839 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11840 depending on the value of CONSTANT_POOL_ADDRESS_P.
11841 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11843 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11844 rather than SYMBOL_REF_DECL.
11845 (rtx_constant_pool): Remove const_rtx_sym_htab.
11846 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11847 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11848 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11849 Remove handling of const_rtx_sym_htab.
11850 (find_pool_constant): Delete.
11851 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11852 rather than find_pool_constant.
11853 (get_pool_constant_for_function): Delete.
11854 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11855 find_pool_constant.
11856 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11857 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11858 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11859 (SYMBOL_REF_CONSTANT): New macro.
11860 (get_pool_constant_for_function): Delete.
11861 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11862 rather than SYMBOL_REF_DECL.
11863 (i386_pe_mark_dllimport): Likewise.
11864 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11865 rather than SYMBOL_REF_DECL.
11866 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11867 (machopic_indirect_call_target): Likewise.
11869 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11871 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11873 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11875 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11877 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11879 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11881 2006-01-24 David Daney <ddaney@avtrex.com>
11884 * configure.ac (enable_tls): New enable option.
11885 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11886 * configure: Regenerate.
11887 * doc/install.texi (--enable-tls): Document new option.
11888 (--disable-tls): Ditto.
11890 2006-01-24 Richard Henderson <rth@redehat.com>
11892 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11893 * alias.c (true_dependence): Respect it.
11894 (canon_true_dependence, write_dependence_p): Likewise.
11895 * builtins.c (get_builtin_sync_mem): Set it.
11897 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11899 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11902 2006-01-24 DJ Delorie <dj@redhat.com>
11904 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11905 for storing constants in single-bit bitfields.
11907 2006-01-25 Ben Elliston <bje@au.ibm.com>
11909 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11911 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11914 * tree-ssa-pre.c (phi_translate): Return NULL
11915 for AGGREGATE_TYPE's.
11917 2006-01-24 Zack Weinberg <zackw@panix.com>
11919 * genautomata.c (process_state_for_insn_equiv_partition):
11920 Use xcalloc for insn_arcs_array.
11921 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11922 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11924 2006-01-24 Richard Henderson <rth@redhat.com>
11926 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11927 update all callers.
11929 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11931 PR rtl-optimization/25890
11932 PR rtl-optimization/25905
11933 * combine.c (expand_compound_operation, expand_field_assignment):
11934 Fail if the bitfield's final position is out of bounds.
11936 2006-01-24 Ian Lance Taylor <ian@airs.com>
11938 PR middle-end/25930
11939 * cgraphunit.c (cgraph_output_in_order): Don't clear
11940 cgraph_asm_nodes until after asm strings have been output.
11942 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11944 * fix-header.c (read_scan_file): Add new parameter imultilib when
11945 calling register_include_chains.
11947 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11949 * omp-low.c: Update documentation.
11951 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11952 Daniel Berlin <dberlin@dberlin.org>
11956 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11957 return from the function.
11959 2006-01-22 Zack Weinberg <zackw@panix.com>
11961 * rtl.def (match_code): Add second argument.
11962 * genpreds.c (write_extract_subexp): New function.
11963 (write_match_code): Add path argument. Use write_extract_subexp.
11964 (write_predicate_expr): Pass path to write_match_code.
11965 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11966 not perform a mode test.
11967 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11968 a subexpression does not constrain the top-level code set.
11969 * read-rtl.c (read_rtx_variadic): New function.
11970 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11971 * doc/md.texi: Document new notation.
11972 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11973 (cmpsi_operand): ... here, using new notation.
11975 2006-01-22 Zack Weinberg <zackw@panix.com>
11977 * varray.c: Remove GENERATOR_FILE #ifdefs.
11979 2006-01-22 Zack Weinberg <zackw@panix.com>
11981 * genautomata.c (output_reserved_units_table): Emit nothing if
11982 description->query_units_num is zero. Remove extra blank line.
11983 (output_cpu_unit_reservation_p): Short circuit
11984 if description->query_units_num is zero.
11986 2006-01-22 Zack Weinberg <zackw@panix.com>
11988 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11989 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11990 nor any of the random handful of variables that used to be necessary
11991 when this program was linked with rtlanal.o. Prune set of forward
11992 function declarations.
11993 (struct attr_desc): Remove static_p field.
11994 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11995 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11996 (attr_string): Do not read the character one past the length of
11998 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11999 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12000 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12001 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12002 (make_automaton_attrs): New.
12003 (main): Do not call into genautomata. Call local gen_bypass
12004 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12005 Remove special case for insn_alts.
12006 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12007 varray.h (leftover from previous change). Prune set of forward
12008 function declarations. Remove state_alts fields from all
12009 structures. Remove state_alts_table from struct automaton.
12010 Make everything except main static. Do not maintain num_dfa_decls.
12011 Do not maintain state_alts fields of various structures.
12012 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12013 (add_arc): Remove state_alts argument. All callers updated.
12014 (output_reserved_units_table): Emit #ifdef here...
12015 (output_tables): ...not here. Don't generate state_alts tables.
12016 (expand_automata): Don't generate attributes.
12017 (write_automata): Don't generate state_alts functions.
12018 (main): New function.
12019 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12020 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12021 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12022 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12023 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12024 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12025 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12026 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12028 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12029 * genattrtab.h: Delete file.
12030 * Makefile.in (OBJS-common): Add insn-automata.o.
12031 (insn-automata.o): New rule.
12032 (simple_generated_c): Add insn-automata.c.
12033 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12034 (genprogmd): Add automata.
12035 (build/genattrtab): Needs no extra objects nor libraries.
12036 (build/genautomata): Needs build/vec.o and -lm.
12038 2006-01-22 Zack Weinberg <zackw@panix.com>
12040 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12041 (output_dfa_max_issue_rate, locked_states_num): Delete.
12042 (struct automaton): Add locked_states field.
12043 (output_dead_lock_vect): Save number of locked states in
12044 automaton->locked_states. If it is zero, don't print anything.
12045 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12046 (output_internal_dead_lock_func): Only test the dead_lock_vect
12047 for automata that have locked states.
12048 (output_statistics): Always print the number of locked states for
12049 each automaton. Calculate total number of locked states here.
12050 (write_automata): Don't call output_dfa_max_issue_rate.
12051 * genattrtab.c: Define length_unit_log as a const variable.
12052 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12053 max_insn_queue_index const.
12054 * final.c (length_unit_log): Declare const.
12055 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12057 2006-01-22 Zack Weinberg <zackw@panix.com>
12059 * genautomata.c: Include vec.h, not varray.h.
12060 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12061 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12062 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12063 VEC_* macros operating on appropriately typed vectors, or to
12064 malloced arrays when the size is known in advance. Const-ify
12065 many char* variables and function arguments. No functional changes.
12066 * Makefile.in (build/varray.o): Delete rule.
12067 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12068 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12070 2006-01-22 Zack Weinberg <zackw@panix.com>
12072 * gensupport.c: Define get_insn_name and record_insn_name here.
12073 (read_md_rtx): Call record_insn_name as appropriate.
12074 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12075 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12076 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12078 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12079 (BUILD_VARRAY): Delete.
12080 (genprognormal): Rename genprogmd. Fold in all programs from
12081 genprognoprint; also attrtab.
12082 (build/genattrtab): Just mention genautomata.o and varray.o.
12083 Reorganize a bit, add comments to make the categories clearer.
12085 2006-01-22 Zack Weinberg <zackw@panix.com>
12087 * genconditions.c (condition_table, add_condition): Delete.
12088 (write_conditions): Don't emit n_insn_conditions nor
12089 insn_elision_unavailable. Issue the gcc version #ifdef here,
12090 inside the table, with no #else clause ...
12091 (write_header): ...not here.
12092 (write_writer): New function.
12093 (main): Don't initialize condition_table. Use add_c_test.
12095 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12096 files on the command line.
12097 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12098 Return -1 if there is no entry in the table, don't abort.
12099 (add_c_test, traverse_c_tests): New functions.
12100 * gensupport.h (insn_elision_unavailable, insn_conditions)
12101 (n_insn_conditions): Delete declarations.
12102 (add_c_test, traverse_c_tests): Declare.
12103 * read-rtl.c: Include gensupport.h.
12104 (read_conditions): New function.
12105 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12106 (read_rtx_1): If we get EOF when we were looking for an initial
12107 open paren, return 0. Call read_conditions when appropriate.
12108 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12109 dummy-conditions.o. Eliminate references to insn-conditions.o,
12110 or change them to build/gencondmd.o, as appropriate. Remove
12111 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12112 from $(simple_generated_c). For all files remaining in those
12113 two lists, add insn-conditions.md to the generator command line.
12114 Give insn-constants.h/s-constants their own rules. Add rules
12115 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12116 (build/read-rtl.o): Depend on gensupport.h.
12117 (genprognormal): Include preds.
12118 (genprogearly): Rename genprognoprint; only difference is now that
12119 they don't link with $(BUILD_PRINT).
12120 * dummy-conditions.c: Delete.
12122 2006-01-22 Zack Weinberg <zackw@panix.com>
12124 * genextract.c: Don't include insn-config.h. Do include vec.h.
12125 Declare vectors of int, char, and locstr.
12126 (locstr): New typedef.
12127 (struct extraction): Make all array fields into bare pointers.
12128 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12129 (insn_code_number): Delete.
12130 (accum_extract): New struct.
12131 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12132 (gen_insn): Take insn_code_number as an argument. Use an
12133 accum_extract structure instead of loading data directly into
12134 a struct extraction, and having to know how big it might get.
12135 (walk_rtx): Operate entirely on an accum_extract structure.
12136 (print_path): Avoid unnecessary use of printf.
12137 (print_header): New function, split out of main. Distinguish
12138 more carefully between an unrecognizable insn and an insn that
12139 has the code number of a define_expand.
12140 (main): Pass insn_code_number to gen_insn. Call print_header
12141 only after parsing. Avoid unnecessary use of printf.
12142 * Makefile.in (build/vec.o): New rule.
12143 (build/genextract): Depend on build/vec.o.
12144 (build/genextract.o): Don't depend on insn-config.h.
12146 2006-01-22 Zack Weinberg <zackw@panix.com>
12148 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12149 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12150 practical. Eliminate per-generator-program link rules.
12152 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12154 PR middle-end/24437
12155 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12156 with a call expr to ...
12157 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12159 2006-01-23 Richard Guenther <rguenther@suse.de>
12161 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12162 before make_edge with conditional EDGE_TRUE_VALUE.
12164 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12165 Jan Hubicka <jh@suse.cz>
12166 Richard Guenther <rguenther@suse.de>
12168 PR rtl-optimization/25654
12169 * cfgexpand.c (aggregate_contains_union_type): New function.
12170 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12171 for structure variables that contain a union type.
12173 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12175 * gengtype.c (new_structure): Return the structure.
12176 (create_option): Add an extra "next" argument.
12177 (create_field): New function.
12178 (adjust_field_rtx_def): Use create_option and create_field.
12179 Remove a now-unnecessary call to find_structure.
12180 (adjust_field_tree_def): Likewise.
12181 (note_yacc_type): Remove an unnecessary call to find_structure.
12182 * gengtype.h (new_structure): Return the structure.
12183 (create_option): Add an extra argument.
12184 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12185 (option): Adjust calls to create_option.
12187 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12189 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12191 2006-01-22 Paul Brook <paul@codesourcery.com>
12192 Peter Barada <peter@the-baradas.com>
12194 * config/m68k/m68k.md: Add Coldfire FPU support.
12195 Define FP mode macro and associated attributes.
12196 Use it for float mode patterns.
12197 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12198 (LIBCALL_VALUE): Use m68k_libcall_value.
12199 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12200 (m68k_function_value): Ditto.
12201 (emit_move_sequence): Ditto.
12202 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12203 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12204 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12205 (MULTILIB_EXCEPTIONS): Ditto.
12206 * config/m68k/m68k.opt: Add mcfv4e.
12207 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12208 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12209 (m68k_output_function_prologue): Save ColdFire FPU registers.
12210 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12211 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12212 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12213 ColdFire FPU registers.
12214 (m68k_libcall_value, m68k_function_value): New functions.
12215 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12216 (LIBCALL_VALUE): Use m68k_libcall_value.
12217 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12218 (MASK_COLDFIRE): Add MASK_CFV4E.
12219 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12220 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12221 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12222 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12223 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12224 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12225 * doc/invoke.tex: Document -mcfv4e on m68k.
12227 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12229 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12232 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12235 * c-opts.c (c_common_handle_option): Don't include
12236 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12237 * doc/invoke.texi (C++ Dialect Options): Document that
12238 -Wnon-virtual-dtor is no longer included in -Wall.
12240 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12242 * gcov.c (print_version), gcov-dump.c (print_version),
12243 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12246 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12248 * df-scan.c (problem_SCAN): Added NULL reset function.
12249 (df_scan_reset_blocks): Added code to call reset block function
12250 (df_bb_refs_delete) Fixed comment.
12251 (df_insn_refs_delete): Made tolerant of deleting non existent info
12252 for dataflow problems that need to be reset.
12253 * df-core.c (df_set_blocks): Ditto.
12254 * df.h (struct df_problem): Added reset_fun.
12255 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12256 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12257 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12258 functions to clear out all references to def-use or use-def chains.
12260 2006-01-21 Ben Elliston <bje@au.ibm.com>
12262 * varasm.c (assemble_real): Initialise data array.
12264 2006-01-20 Paul Brook <paul@codesourcery.com>
12266 Merge from csl-arm-branch.
12267 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12268 * config/arm/arm.md (movdi): Force operands[1] to a register
12269 if we have a non-register source.
12270 (*arm_movdi, *movdf_soft_insn): Require that one of the
12271 operands be a register.
12272 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12273 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12275 2006-01-20 DJ Delorie <dj@redhat.com>
12277 * varasm.c (initializer_constant_valid_p): Allow pointers
12278 initialized from integer constants of lesser precision.
12279 (output_constant): Allow non-int-sized pointer modes to be
12280 initialized from integer constants.
12282 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12285 * cppdefault.h (struct default_include): Add multilib flag.
12286 * cppdefault.c (cpp_include_defaults): Set it.
12287 * c.opt (-imultilib): New option.
12288 * c-opts.c (imultilib): New.
12289 (c_common_handle_option): Handle -imultilib.
12290 (c_common_post_options): Likewise.
12291 * c-incpath.c (add_standard_paths, register_include_chains):
12293 * c-incpath.h (register_include_chains): Add extra parameter.
12294 * gcc.c (do_spec_1): Generate -imultilib option.
12295 (The Specs Language): Update %I description.
12296 (process_command): Update copyright notice.
12297 * doc/cppopts.texi (-imultilib): Document.
12298 * doc/invoke.texi (-imultilib): Include in option summary.
12299 (%I): Update specs documentation.
12301 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12303 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12305 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12307 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12310 2006-01-20 Richard Guenther <rguenther@suse.de>
12311 Steven Bosscher <stevenb.gcc@gmail.com>
12313 PR rtl-optimization/24626
12314 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12315 EDGE_TRUE_VALUE if in RTL mode.
12318 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12319 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12321 2006-01-20 Dirk Mueller <dmueller@suse.com>
12324 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12325 instead of a special NOP marker.
12326 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12327 NOP marker handling.
12328 * c-common.h (empty_body_warning): Add forward declaration.
12329 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12330 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12332 2006-01-20 Paul Brook <paul@codesourcery.com>
12334 * Makefile.in (lang_checks): Keep going if mkdir fails.
12336 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12338 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12339 be able to clean out basic block when not necessary.
12340 (df_scan_free): Fixed to properly delete information if df is
12341 unused before calling df_finish.
12342 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12343 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12345 (df_bb_refs_delete): New function.
12346 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12347 * df-core.c (df_set_blocks): Added code to properly clean out
12348 unused blocks if they are not part of the blocks to consider.
12349 Added additional null check.
12350 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12351 be able to clean out basic block when not necessary
12352 * df.h (df_free_bb_function): Ditto.
12353 (df_bb_refs_delete): New function.
12354 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12355 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12356 basic block parameter to be able to clean out basic block when not
12358 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12359 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12360 Fixed to properly delete information if df is unused before
12363 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12365 PR rtl-optimization/25799
12366 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12367 Corrected confluence operator to remove bits from op2 before oring
12368 with op1 rather than removing bits from op1.
12369 (df_ru_transfer_function): Corrected test on wrong bitmap which
12370 caused infinite loop. Both of these problems were introduced in
12371 the dataflow rewrite.
12373 2006-01-19 DJ Delorie <dj@redhat.com>
12375 * reload1.c (find_reload_regs): Note the details of reload
12376 failures in the dump file.
12377 (spill_failure): Likewise.
12379 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12381 * loop-iv.c: Include df.h and hashtab.h.
12382 (enum iv_grd_result): New enum.
12383 (DF_REF_IV, DF_REF_IV_SET): New macros.
12384 (struct biv_entry): New.
12385 (df, bivs): New global variables.
12386 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12387 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12389 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12390 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12391 analyzed_for_bivness_p, record_biv): New functions.
12392 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12393 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12394 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12396 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12398 (iv_number_of_iterations): Use new interface to iv analysis.
12399 * loop-unroll.c: Do not include varray.h.
12400 (analyze_iv_to_split_insn): Use new interface to iv
12402 * loop-unswitch.c (may_unswitch_on): Ditto.
12403 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12405 (df_bb_modify): Realloc tables to the new index.
12406 (df_find_use): New function.
12407 * df.h (df_find_use): Declare.
12408 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12410 * cfgloop.h (struct rtx_iv): Remove analysed field.
12411 (iv_get_reaching_def): Removed.
12412 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12413 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12414 (loop-iv.o): Add df.h and hashtab.h dependency.
12415 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12417 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12420 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12422 (__floatundisf, __floatundidf): Likewise.
12423 * libgcc2.h (IS_IBM_EXTENDED): Define.
12425 2006-01-19 DJ Delorie <dj@redhat.com>
12427 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12429 2006-01-19 Paul Brook <paul@codesourcery.com>
12431 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12432 as nothrow when unwinding tables are disabled.
12434 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12437 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12438 of bit-field" when in system header.
12440 2006-01-19 DJ Delorie <dj@redhat.com>
12442 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12443 the 16 bit shift limit of the m16c.
12445 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12448 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12449 * config/i386/i386.c (output_set_got): Output the label if we have one
12450 for the TARGET_DEEP_BRANCH_PREDICTION case.
12452 2006-01-19 Jan Hubicka <jh@suse.cz>
12453 H.J. Lu <hongjiu.lu@intel.com>
12454 Evandro Menezes <evandro.menezes@amd.com>
12456 * invoke.texi (generic): Document
12458 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12459 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12460 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12461 (x86_use_incdec, x86_pad_returns): New variables
12462 (TARGET_CPU_DEFAULT_generic): New constant
12463 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12464 (enum processor_type): Add generic32 and generic64.
12465 * i386.md (cpu attribute): Add generic32/generic64
12466 (movhi splitter): Behave sanely when both partial_reg_dependency and
12467 partial_reg_stall are set.
12468 (K8 splitters): Enable for generic as well.
12469 * predicates.md (incdec_operand): Use TARGET_INCDEC
12470 (aligned_operand): Avoid memory mismatch stalls.
12471 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12472 * ppro.md: Enable for generic32
12473 * i386.c (generic64_cost, generic32_cost): New.
12474 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12475 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12476 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12477 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12478 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12479 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12480 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12481 x86_accumulate_outgoing_args, x86_prologue_using_move,
12482 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12483 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12484 Enable for generic.
12485 (x86_use_incdec, x86_pad_returns): New.
12486 (override_options): Add generic32 and generic64, translate "generic"
12487 to generic32/generic64 and "i686" to "generic32", refuse
12488 "generic32"/"generic64" as arch target.
12489 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12490 (ix86_reorg): Honor PAD_RETURNS.
12492 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12494 * tree-pretty-print.c (dump_generic_node): Handle
12495 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12496 * cgraph.c (cgraph_expand_queue): Rename from
12497 cgraph_analyze_queue. Update all users.
12498 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12499 cgraph_expand_queue.
12500 (cgraph_expand_all_functions): Likewise.
12501 (cgraph_finalize_pending_functions): Remove. Update callers.
12503 * tree.h (OMP_DIRECTIVE_P): Define.
12504 (OMP_PARALLEL_FN): Define.
12505 (OMP_PARALLEL_DATA_ARG): Define.
12506 (OMP_SECTIONS_SECTIONS): Define.
12507 * tree-pass.h (pass_expand_omp): Declare.
12508 * omp-low.c (struct omp_region): Declare.
12509 (struct omp_context): Remove fields 'parallel_type',
12510 'parallel_start_ix' and 'parallel_start_additional_args'.
12512 (struct omp_for_data): Rename from struct expand_omp_for_data.
12513 (omp_regions): New static variable.
12514 (root_omp_region): New static variable.
12515 (find_omp_clause): Make static.
12516 (is_in_combined_parallel_ctx): Remove.
12517 (is_combined_parallel): New.
12518 (extract_omp_for_data): Move earlier in the file.
12519 (workshare_safe_to_combine_p): New.
12520 (get_ws_args_for): New.
12521 (determine_parallel_type): Move earlier in the file.
12522 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12524 (omp_copy_decl): Likewise.
12525 (create_omp_child_function): Likewise.
12526 (lookup_omp_region): New.
12527 (dump_omp_region): New.
12528 (debug_omp_region): New.
12529 (debug_all_omp_regions): New.
12530 (new_omp_region): New.
12531 (scan_omp_parallel): If parallel_nesting_level > 1, the
12532 directive is nested within another parallel directive.
12533 Set OMP_PARALLEL_FN.
12534 (scan_omp_for): Do not try to handle combined parallel+for
12536 Remove FIXME comment.
12537 (scan_omp_nested): Remove.
12538 (scan_omp_1): Do not call scan_omp_nested when
12539 parallel_nesting_level is > 1.
12540 Do not change the DECL_CONTEXT of local variables found.
12541 (lookup_decl_in_outer_ctx): New.
12542 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12543 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12544 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12545 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12546 If CTX is nested, lookup VAR in the outer context when
12547 building copy assignment.
12548 (lower_send_clauses): Rename from expand_send_clauses.
12549 If CTX is nested, lookup VAR in the outer context when
12550 building copy assignments.
12551 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12552 If CTX is nested, lookup VAR in the outer context when
12553 building copy assignments.
12554 (expand_parallel_call): Rename from build_parallel_call.
12555 Handle combined parallel+workshare cases.
12556 Re-implement to emit code into the CFG.
12558 (expand_omp_parallel): Re-implement to emit code into the CFG.
12559 Call move_sese_region_to_fn to outline the sub-graph
12560 containing the parallel region.
12561 (expand_omp_for_1): Remove.
12562 (expand_omp_for_generic): Re-implement to emit code into the
12564 (expand_omp_for_static_nochunk): Likewise.
12565 (expand_omp_for_static_chunk): Likewise.
12566 (expand_omp_for): Likewise.
12567 (expand_omp_sections): Likewise.
12568 (remove_exit_barriers): New.
12569 (expand_omp_synch): New.
12571 (build_omp_regions_1): New.
12572 (build_omp_regions): New.
12573 (execute_expand_omp): New.
12574 (gate_expand_omp): New.
12575 (pass_expand_omp): Define.
12576 (lower_omp_sections): Rename from expand_omp_sections.
12577 Set OMP_SECTIONS_SECTIONS.
12578 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12579 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12580 (lower_omp_single): Rename from expand_omp_simple.
12581 (lower_omp_master): Rename from expand_omp_master.
12582 (lower_omp_ordered): Rename from expand_omp_ordered.
12583 (lower_omp_critical): Rename from expand_omp_critical.
12584 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12585 (lower_omp_for): Re-implement.
12586 (lower_omp_parallel): Re-implement.
12587 (lower_regimplify): Rename from expand_regimplify.
12588 (lower_omp_1): Rename from expand_omp_1.
12589 If there are syntax errors in the program, replace every
12590 OpenMP directive with NOP.
12591 Call lower_omp_* instead of expand_omp_*.
12592 (lower_omp): Rename from expand_omp.
12594 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12595 * tree-gimple.h (enum omp_parallel_type): Remove.
12596 (gimple_boolify): Declare extern.
12597 (find_omp_clause, determine_parallel_type): Remove.
12599 * gimple-low.c (lower_omp_directive): New.
12600 (lower_stmt): Call it.
12601 (record_vars_into): Move from ...
12602 (record_vars): ... here.
12603 Call record_vars_into with current_function_decl.
12605 * gimplify.c (struct gimplify_ctx): Remove fields
12606 combined_pre_p and combined_ctxp. Update users.
12607 (get_formal_tmp_var): Add documentation.
12608 (gimple_boolify): Make extern.
12609 (gimplify_expr_in_ctx): Remove. Update callers.
12610 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12611 will always be a BIND_EXPR.
12612 (gimplify_expr): Handle OMP_RETURN_EXPR.
12613 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12614 (OMP_PARALLEL): Add 3 operands.
12615 (OMP_SECTIONS): Add 1 operand.
12616 (OMP_RETURN_EXPR): Define.
12618 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12619 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12620 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12621 creating a circular free list.
12622 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12624 * tree-flow.h (move_sese_region_to_fn): Declare.
12625 (record_vars_into): Declare.
12626 * tree-cfg.c (make_omp_sections_edges): New.
12627 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12628 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12629 OMP_SECTIONS and OMP_SECTION.
12630 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12631 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12632 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12633 (gather_blocks_in_sese_region): New.
12634 (struct move_stmt_d): Declare.
12635 (move_stmt_r): New.
12636 (move_block_to_fn): New.
12637 (move_sese_region_to_fn): New.
12639 * passes.c (init_optimization_passes): Schedule
12640 pass_expand_omp after pass_init_datastructures.
12642 * tree-ssa-operands.c (get_expr_operands): Handle
12643 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12644 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12646 2006-01-19 Jeff Law <law@redhat.com>
12648 * tree-vrp.c (extract_range_from_assert): Refine the result range
12649 if the variable referenced by the ASSERT_EXPR has a range and
12650 either the tentative result range or the previous range is a
12653 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12655 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12657 2006-01-19 Jan Hubicka <jh@suse.cz>
12659 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12661 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12663 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12664 (expand_compound_operation, expand_field_assignment): Fail if the
12665 bit lengths of an extract operation are out of range.
12666 (make_extraction): Compute wanted_inner_mode based on the position
12667 and length of the extraction. Make it extraction_mode for non-constant
12668 positions, and do not modify offset in that case. When generating a
12669 new MEM, use a mode that can hold the extraction while keeping correct
12670 alignment. Remove code that supported MEMs wrapped by USEs.
12671 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12673 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12675 * config/s390/s390.md ("Y", "y"): New mode attribute.
12676 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12677 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12678 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12679 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12680 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12681 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12682 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12683 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12684 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12685 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12686 "addsi3", "subsi3"): Insn patterns removed.
12687 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12688 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12689 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12690 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12691 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12692 "*sub<mode>3_cconly2"): New insn patterns.
12693 ("addsi3", "subsi3"): New expanders.
12695 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12697 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12698 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12699 existing STMT_VINFO_VECTYPE if available.
12700 (vect_mark_relevant): Add special handling for stmts that are
12701 marked as STMT_VINFO_IN_PATTERN_P.
12702 (vect_analyze_loop): Call vect_pattern_recog.
12703 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12704 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12706 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12707 (vect_recog_func_ptr): New function-pointer type.
12708 * tree-vect-patterns.c: New file.
12709 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12710 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12711 (vect_pattern_recog_1): New functions.
12712 (vect_pattern_recog_funcs): New array of function pointers.
12714 * tree-vectorizer.h (ternary_op): New enum value.
12715 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12716 declaration. Revised documentation. Removed redundant dump prints.
12717 Removed redundant argument. Added support for reduction patterns.
12718 (vectorizable_reduction): Added support for reduction patterns.
12719 (vect_transform_stmt): Added support for patterns.
12721 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12722 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12723 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12724 (expand_widen_pattern_expr): New function.
12725 (init_optabs): Initialize new optabs udot_prod_optab,
12727 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12728 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12729 (expand_widen_pattern_expr): New function declaration.
12730 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12732 * tree-inline.c (estimate_num_insns_1): Added cases for new
12733 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12734 * tree-pretty-print.c (dump_generic_node): Likewise.
12735 (op_prio): Likewise.
12736 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12737 * tree-ssa-operands.c (get_expr_operands): Added case for
12739 * tree-vect-patterns.c (widened_name_p): New function.
12740 (vect_recog_dot_prod_pattern): Added function implementation.
12741 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12742 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12743 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12744 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12746 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12747 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12748 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12749 (init_optabs): Initialize new optabs widen_ssum_optab,
12751 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12752 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12753 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12754 use instead of type of def.
12755 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12756 function implementation.
12757 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12758 widen_ssumv8hi): New.
12760 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12763 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12766 * c-decl.c (add_flexible_array_elts_to_size): New function.
12767 (finish_decl): Use it.
12769 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12771 * diagnostic.h: Include options.h.
12772 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12773 dependancies for diagnostic.h.
12774 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12776 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12778 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12779 (ssa_ro_call_cache_valid): Ditto.
12780 * tree-ssa-alias.c (sort_tags_by_id): New function.
12781 (init_transitive_clobber_worklist): Ditto.
12782 (add_to_worklist): Ditto.
12783 (mark_aliases_call_clobbered): Ditto.
12784 (compute_tag_properties): Ditto.
12785 (set_initial_properties): Ditto.
12786 (compute_call_clobbered): Ditto.
12787 (compute_may_aliases): Call compute_call_clobbered and grouping.
12788 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12789 (compute_flow_insensitive_aliasing): Grouping now happens in our
12791 (setup_pointers_and_addressables): Remove clobbering related code.
12792 (add_may_alias): Ditto.
12793 (replace_may_alias): Ditto.
12794 (get_nmt_for): Ditto.
12795 (create_global_var):
12796 (is_escape_site): Return an escape_type enumeration.
12797 * tree-flow-inline.h (is_call_clobbered): Global var does not
12798 imply call clobbered.
12799 (mark_call_clobbered): Take a reason for marking this. Remove
12800 marking of globalness, and cache invalidation.
12801 (clear_call_clobbered): Remove cache invalidation code.
12802 * tree-dfa.c (dump_variable): If details is on, dump the reason
12804 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12806 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12807 (struct var_ann_d): Ditto.
12808 (enum escape_type): New.
12809 (mark_call_clobbered): Adjust prototype.
12810 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12811 are never call clobbered.
12812 Record reasons for escaping.
12813 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12814 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12815 (ssa_ro_call_cache_valid): Ditto.
12816 (clobbered_v_may_defs): Ditto.
12817 (clobbered_vuses): Ditto.
12818 (ro_call_vuses): Ditto.
12819 (clobber_stats): New.
12820 (init_ssa_operands): Zero out clobber stats.
12821 (fini_ssa_operands): Print out clobber stats.
12822 (get_call_expr_operands): Pass callee fndecl to
12823 add_call_read_ops).
12824 (add_call_clobber_ops): Remove use of cache.
12825 Add use of PURE_CONST information.
12826 (add_call_read_ops): Remove use of cache.
12827 Add use of static not_read information.
12829 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12831 Introduce TLS descriptors for i386 and x86_64.
12832 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12833 (TARGET_ANY_GNU_TLS): New macro.
12834 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12835 (struct machine_function): Add tls_descriptor_call_expanded_p.
12836 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12837 (ix86_current_function_calls_tls_descriptor): Likewise.
12838 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12839 (override_options): Introduce gnu2 tls dialect.
12840 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12842 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12844 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12845 (ix86_init_machine_status): Initialize new field.
12846 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12847 (ix86_tls_module_base): New.
12848 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12849 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12850 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12851 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12852 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12853 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12854 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12855 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12856 * config/i386/predicates.md (tls_modbase_operand): New.
12857 (tp_or_register_operand): New.
12859 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12861 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12862 (look_for_address_of): Ditto.
12863 (ipa_init): Walk the function decls.
12864 (static_execute): Don't set readonly on FUNCTION_DECL's.
12866 2006-01-18 Roger Sayle <roger@eyesopen.com>
12868 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12869 for shifts where the source and destination registers are different.
12871 2006-01-18 Paul Brook <paul@codesourcery.com>
12873 Merge from csl-arm-branch.
12874 2005-03-14 Julian Brown <julian@codesourcery.com>
12875 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12876 (aeabi_llsl): Likewise.
12877 (ashrdi3): Likewise.
12878 (aeabi_lasr): Likewise.
12879 (lshrdi3): Likewise.
12880 (aeabi_llsr): Likewise.
12881 2005-03-10 Julian Brown <julian@codesourcery.com>
12882 * config.gcc: Disable shared libgcc for SymbianOS.
12883 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12885 2006-01-18 DJ Delorie <dj@redhat.com>
12887 * c-pragma.c (handle_pragma_diagnostic): New.
12888 (init_pragma): Register it.
12889 * doc/extend.texi: Document it.
12891 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12892 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12893 (diagnostic_context): Add classify_diagnostic[].
12894 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12895 as errors if they're overridden to DK_WARNING.
12896 (diagnostic_initialize): Initialize classify_diagnostic[].
12897 (diagnostic_set_kind_override): New.
12898 (diagnostic_report_diagnostic): Check for kind changes.
12899 * opts.c (common_handle_option): Take lang_mask. Update callers.
12900 Handle OPT_Werror_.
12901 * common.opt (Werror=): New.
12902 * doc/invoke.texi: Document -Werror=*
12904 2006-01-18 Jeff Law <law@redhat.com>
12906 * tree-vrp.c (test_for_singularity): Correct test for new
12907 min limit. Use operand_equal_p rather than pointer equality
12908 for testing if new min/max values are equal.
12910 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12911 using range information until after propagation and folding.
12913 2006-01-18 Richard Henderson <rth@redhat.com>
12914 Aldy Hernandez <aldyh@redhat.com>
12915 Jakub Jelinek <jakub@redhat.com>
12916 Diego Novillo <dnovillo@redhat.com>
12918 * omp-low.c: New file.
12919 * c-omp.c: New file.
12921 2006-01-18 Richard Henderson <rth@redhat.com>
12922 Jakub Jelinek <jakub@redhat.com>
12923 Diego Novillo <dnovillo@redhat.com>
12925 * doc/invoke.texi: Document -fopenmp.
12926 * tree-dump.h (debug_function): Declare.
12927 * hooks.c (hook_bool_tree_bool_false): New function.
12928 (hook_tree_tree_null): Remove.
12929 (hook_tree_tree_tree_null): New.
12930 * hooks.h: Update to match.
12931 * tree-pretty-print.c (debug_tree_chain): New.
12932 (print_generic_expr): Handle TDF_CHAIN.
12933 (dump_generic_node): Handle BLOCK.
12934 Do not abort with incomplete SWITCH_EXPRs.
12935 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12936 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12937 print space after directive name.
12938 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12939 Handle OMP_MASTER and OMP_ORDERED.
12940 Handle printing of OMP_BODY just in one place, goto
12941 dump_omp_body in the rest of OMP_* nodes that have
12943 Don't handle clause nodes here. Update omp statements to
12944 use dump_omp_clauses.
12945 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12946 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12947 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12948 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12949 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12950 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12951 Adjust output for GOMP_PARALLEL.
12952 (dump_omp_clauses): New.
12953 (print_declaration): Dump DECL_VALUE_EXPR.
12954 (op_symbol_1): Split out of op_symbol.
12955 (dumping_stmts): Remove. Update all users.
12956 * cgraph.c (cgraph_analyze_queue): New.
12957 (cgraph_add_new_function): New.
12958 * cgraph.h (cgraph_analyze_queue): Declare.
12959 (cgraph_add_new_function): Declare.
12960 (cgraph_lower_function): Remove.
12961 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12962 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12963 and TYPE_P nodes in its default clause.
12964 (empty_body_p): New.
12965 (tree_range_check_failed): New.
12966 (build5_stat): New.
12967 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12968 OMP_CLAUSE_REDUCTION_MERGE,
12969 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12970 OMP_CLAUSE_PRIVATE_DEBUG,
12971 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12972 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12973 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12974 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12975 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12976 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12977 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12978 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12979 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12980 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12981 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12982 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12983 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12984 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12985 (TREE_RANGE_CHECK): New.
12986 (empty_body_p): Declare.
12987 (enum omp_clause_default_kind): New.
12988 (build_string_literal): Declare.
12989 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12990 (build5_stat, build5): Declare.
12991 * tree-pass.h (TDF_CHAIN): Define.
12992 * tree-pass.h (PROP_gimple_lomp): Define.
12993 (pass_lower_omp): Declare.
12994 * diagnostic.h (debug_tree_chain): Declare.
12995 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12997 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12998 * builtins.c (build_string_literal): Make extern.
12999 * gcc.c (include_spec_function): New.
13000 (static_spec_functions): Add it.
13001 (main): Move load of libgomp.spec ...
13002 (LINK_COMMAND_SPEC): ... here.
13003 (link_gomp_spec): New.
13004 (static_specs): Include it.
13005 (LINK_COMMAND_SPEC): Add link_gomp.
13006 (GOMP_SELF_SPECS): New.
13007 (driver_self_specs): Include it.
13008 (switch_matches): Don't mark inline.
13009 (main): Load libgomp.spec.
13010 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13011 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13012 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13013 * tree-gimple.h (enum omp_parallel): Declare.
13014 (determine_parallel_type): Declare.
13015 (omp_firstprivatize_variable): Declare.
13016 (omp_reduction_init): Declare.
13017 (diagnose_omp_structured_block_errors): Declare.
13018 (struct walk_stmt_info): Add want_return_expr.
13019 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13020 (find_omp_clause): Declare.
13021 (insert_field_into_struct): Declare.
13022 (struct walk_stmt_info): Move from tree-nested.c
13023 (walk_stmts): Declare.
13024 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13026 * cgraphunit.c (cgraph_lower_function): Make static.
13027 (cgraph_finalize_pending_functions): New.
13028 (cgraph_finalize_function): Call it.
13029 (cgraph_finalize_compilation_unit): Likewise.
13030 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13031 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13032 (BT_FN_UINT_UINT): New.
13033 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13034 DEF_FUNCTION_TYPE_VAR_4): Document.
13035 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13036 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13037 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13038 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13039 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13040 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13041 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13042 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13043 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13044 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13045 into separate files.
13046 (DEF_GOMP_BUILTIN): New.
13047 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13048 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13049 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13050 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13051 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13052 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13053 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13054 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13055 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13056 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13057 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13058 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13059 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13060 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13061 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13062 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13063 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13064 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13065 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13066 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13067 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13068 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13069 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13070 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13071 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13072 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13073 * sync-builtins.def: New file, moved from builtins.def.
13074 * omp-builtins.def: New file, moved from builtins.def.
13075 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13076 * gimple-low.c (lower_function_body): Clear data.
13077 (lower_stmt): Do not handle COMPOUND_EXPR.
13078 Remove call to print_node_brief.
13079 * c-tree.h (c_finish_omp_clauses): New prototype.
13080 (C_DECL_THREADPRIVATE_P): Define.
13081 (lookup_name_no_remap, c_omp_remap_private): Remove
13082 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13083 (check_for_loop_decls): Update decl.
13084 (lookup_name_no_remap, c_omp_remap_private): Declare.
13085 (build_indirect_ref, build_modify_expr, pushdecl,
13086 pushdecl_top_level): Move to c-common.h.
13087 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13088 before the switch, but just in the 2 places that need it.
13089 * c-decl.c (diagnose_mismatched_decls): Do not check for
13090 mismatched thread-local attributes when OLDDECL is marked
13091 threadprivate and NEWDECL has no thread-local attributes.
13092 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13093 (c_gimple_diagnostics_recursively): Rename from
13094 c_warn_unused_result_recursively. Invoke
13095 diagnose_omp_structured_block_errors.
13096 (check_for_loop_decls): Return a singular decl found.
13097 * langhooks.c (lhd_omp_predetermined_sharing): Return
13098 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13099 (lhd_omp_firstprivatize_type_sizes): New.
13100 (lhd_omp_assignment): New.
13101 (lhd_omp_predetermined_sharing): New.
13102 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13103 (struct lang_hooks_for_types): Add
13104 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13105 omp_predetermined_sharing, omp_disregard_value_expr,
13106 omp_private_debug_clause, omp_clause_default_ctor,
13107 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13108 (c_finish_omp_clauses): New.
13109 (c_finish_bc_stmt): Diagnose break within omp for.
13110 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13111 (build_unary_op): Return error_mark after reporting
13113 (build_modify_expr): Likewise.
13114 * gimplify.c: Include optabs.h and pointer-set.h.
13115 (enum gimplify_omp_var_data): Declare.
13116 (struct gimplify_omp_ctx): Declare.
13117 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13119 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13120 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13121 (splay_tree_compare_decl_uid): New.
13122 (new_omp_context): New.
13123 (delete_omp_context): New.
13124 (gimple_add_tmp_var): Call omp_add_variable.
13125 (gimplify_bind_expr): Likewise.
13126 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13127 true, disregard DECL_VALUE_EXPR on the decl if any.
13128 (gimplify_expr_in_ctx): New.
13129 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13130 omp_add_variable, omp_notice_variable, omp_is_private
13131 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13132 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13133 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13134 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13135 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13136 gimplify_omp_atomic): New.
13137 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13138 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13139 OMP_CRITICAL and OMP_ATOMIC.
13140 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13141 * c-pragma.h (enum pragma_kind): Add
13142 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13143 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13144 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13145 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13146 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13147 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13148 PRAGMA_OMP_THREADPRIVATE.
13149 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13150 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13151 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13152 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13153 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13154 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13155 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13156 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13157 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13158 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13159 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13160 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13161 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13163 (struct nesting_info): Add field_map,
13164 suppress_expansion, debug_var_chain.
13165 (create_nesting_tree): Initialize them.
13166 (lookup_field_for_decl): Use field_map.
13167 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13168 (convert_local_omp_clauses): New.
13169 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13170 (walk_body): Split out of walk_function.
13171 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13172 (convert_nonlocal_reference): Handle omp statements.
13173 (convert_local_reference): Likewise.
13174 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13175 (unnest_nesting_tree): New.
13176 (lower_nested_functions): Call it.
13177 (insert_field_into_struct): Make extern.
13178 (struct walk_stmt_info): Move to tree-gimple.h.
13179 (walk_stmts): Make extern.
13180 * omp-builtins.def: New file.
13181 * tree-iterator.c (expr_only): Clarify comment.
13182 * c-common.h (pushdecl_top_level, pushdecl,
13183 build_modify_expr, build_indirect_ref,
13184 c_finish_omp_master, c_finish_omp_critical,
13185 c_finish_omp_ordered, c_finish_omp_barrier,
13186 c_finish_omp_atomic, c_finish_omp_flush,
13187 c_finish_omp_for, c_split_parallel_clauses,
13188 omp_clause_default_kind, c_omp_sharing_predetermined,
13189 c_omp_remap_decl): Declare.
13190 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13191 (OBJS-common): Add omp-low.o.
13192 (c-omp.o, omp-low.o): Add.
13193 (gimplify.o): Add dependency on $(OPTABS_H).
13194 (GTFILES): Add omp-low.c.
13195 (gt-stringpool.h): Add.
13196 * tree-cfg.c (set_bb_for_stmt): Do not update the
13197 block-to-labels map if we are currently expanding to RTL.
13198 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13200 Handle IDENTIFIER_NODE.
13201 (tree_verify_flow_info): Do not ICE when emitting error
13202 messages about invalid labels.
13203 (dump_function_to_file): Reset CFUN before emitting the body
13205 (debug_function): New.
13206 * passes.c (init_optimization_passes): Schedule
13208 * langhooks-def.h (lhd_omp_predetermined_sharing,
13209 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13211 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13212 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13213 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13214 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13215 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13216 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13217 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13218 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13219 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13220 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13221 (LANG_HOOK_DECLS): Use them.
13223 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13224 Richard Henderson <rth@redhat.com>
13225 Jakub Jelinek <jakub@redhat.com>
13226 Diego Novillo <dnovillo@redhat.com>
13228 * c-parser.c (pragma_omp_clause): Define.
13229 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13230 (c_parser_compound_statement): Likewise.
13231 (c_parser_statement): Likewise.
13232 (c_parser_pragma): Handle omp pragmas.
13233 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13234 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13235 (c_parser_omp_clause_name, check_no_duplicate_clause,
13236 c_parser_omp_variable_list,
13237 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13238 c_parser_omp_clause_copyprivate,
13239 c_parser_omp_clause_default,
13240 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13241 c_parser_omp_clause_lastprivate,
13242 c_parser_omp_clause_nowait,
13243 c_parser_omp_clause_num_threads,
13244 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13245 c_parser_omp_clause_reduction,
13246 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13247 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13248 c_parser_omp_atomic, c_parser_omp_barrier,
13249 c_parser_omp_critical, c_parser_omp_flush,
13250 c_parser_omp_for_loop, c_parser_omp_for,
13251 c_parser_omp_master, c_parser_omp_ordered,
13252 c_parser_omp_sections_scope, c_parser_omp_sections,
13253 c_parser_omp_parallel, c_parser_omp_single,
13254 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13255 * c-pragma.c (init_pragma): Do omp pragma registration here.
13256 * c.opt (fopenmp): New flag.
13258 2006-01-18 Eric Christopher <echristo@apple.com>
13260 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13261 * config/darwin.h (GOMP_SELF_SPECS): Define.
13263 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13265 * rtl.h: Remove the prototype for reg_alloc.
13267 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13270 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13271 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13272 sjlj and dwarf2 exception handling.
13273 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13274 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13275 * pa/pa.c (function_value): Treat complex and vector types as
13277 (function_arg): Likewise. Only pass scalar floats in the floating
13278 point argument registers.
13279 * pa/t-slibgcc-dwarf-ver: New file.
13280 * pa/t-slibgcc-sjlj-ver: New file.
13281 * pa/t-slibgcc-elf-ver: Delete file.
13283 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13285 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13286 unlikely_test_section_p test.
13288 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13290 * mode-switching.c (optimize_mode_switching): Make it static.
13291 * basic-block.h: Remove the prototype for
13292 optimize_mode_switching.
13294 * modulo-sched.c (sms_schedule): Make it static.
13295 * rtl.h: Remove the prototype for sms_schedule.
13297 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13298 * rtl.h: Remove the prototype for gcse_after_reload_main.
13300 * reg-stack.c (reg_to_stack): Make it static.
13301 * rtl.h: Remove the prototype for reg_to_stack.
13303 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13305 * rtl.h: Remove the prototypes for regrename_optimize and
13306 copyprop_hardreg_forward.
13308 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13310 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13311 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13312 Test against the appropriate null constant for the mode.
13313 If 'fixup_overlap' is true, swap the operands if they overlap.
13314 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13315 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13316 alpha_split_tmode_pair and adjust for above change.
13317 * config/alpha/alpha.md (movtf_internal): Adjust call to
13318 alpha_split_tfmode_pair and rely on it to swap the operands.
13319 (movti_internal): New insn and post-reload splitter.
13320 (movti): New expander.
13322 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13324 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13327 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13329 * rtlanal.c (global_reg_mentioned_p_1,
13330 global_reg_mentioned_p): Remove.
13331 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13333 * flow.c (initialize_uninitialized_subregs): Make it static.
13334 * rtl.h: Remove the prototype for
13335 initialize_uninitialized_subregs.
13337 * function.c (instantiate_virtual_regs): Make it static.
13338 * function.h: Remove the prototype for
13339 instantiate_virtual_regs.
13341 * regmove.c (regmove_optimize, combine_stack_adjustments):
13343 * rtl.h: Remove the prototypes for regmove_optimize and
13344 combine_stack_adjustments.
13346 2006-01-17 Roger Sayle <roger@eyesopen.com>
13348 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13349 (size_cost): Encode costs in bytes so that a reg-reg addition is
13350 equivalent to COSTS_N_INSNS(1).
13351 (override_options): Use the size_cost.branch_cost as the default
13352 ix86_branch_cost when optimizing for size.
13354 2006-01-18 Ben Elliston <bje@au.ibm.com>
13356 * Makefile.in (D32PBIT_FUNCS): New.
13357 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13358 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13359 D64PBIT_FUNCS and D128PBIT_FUNCS.
13360 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13361 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13363 (decnumber_dep): Define.
13364 * doc/libgcc.texi (Decimal float library routines): New node.
13365 * config/dfp-bit.h, config/dfp-bit.c: New files.
13367 2006-01-18 Ben Elliston <bje@au.ibm.com>
13369 * expr.c (emit_move_change_mode): Always adjust addresses, not
13370 just during reload. Copy replacements only during reload.
13371 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13372 emit_move_via_integer.
13374 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13376 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13377 instead of $(srcdir) and ${srcdir}.
13379 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13382 PR middle-end/11135
13383 * arm.h (struct machine_function): Add pic_reg.
13384 * arm.c (arm_pic_register): Make unsigned.
13385 (arm_override_options): Only set arm_pic_register if
13386 TARGET_SINGLE_PIC_BASE.
13387 (use_return_insn): Only test for a pic register if it is fixed.
13388 (arm_compute_save_reg0_reg12_mask): Likewise.
13389 (thumb_compute_save_reg_mask): Likewise.
13390 (legitimate_pic_operand): Factor out some known invariants.
13391 (legitimize_pic_address): If we don't have a fixed pic register,
13392 then set up a pseudo in the function entry sequence. Handle the
13393 pic base being in a pseudo.
13394 (arm_load_pic_register): Handle the pic register being in a pseudo.
13395 (arm_expand_prologue): Only set up the pic register if it is fixed.
13396 (thumb_expand_prologue): Likewise.
13397 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13398 (pic_load_addr_based_insn): Likewise.
13399 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13402 2006-01-18 Ben Elliston <bje@au.ibm.com>
13404 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13405 decimal float modes for all floating point registers.
13407 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13408 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13410 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13413 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13414 even when the pointer is not NULL.
13416 2006-01-16 Ian Lance Taylor <ian@airs.com>
13418 * common.opt (ftoplevel-reorder): New option.
13419 * cgraph.c (cgraph_asm_nodes): New global variable.
13420 (cgraph_asm_last_node): New static variable.
13421 (cgraph_order): New global variable.
13422 (cgraph_create_node): Set new order field.
13423 (cgraph_varpool_node): Likewise.
13424 (decide_is_variable_needed): Return true if not
13425 flag_toplevel_reorder.
13426 (cgraph_add_asm_node): New function.
13427 * cgraph.h (struct cgraph_node): Add order field.
13428 (struct cgraph_varpool_node): Add order field.
13429 (struct cgraph_asm_node): Define.
13430 (cgraph_asm_nodes, cgraph_order): Declare.
13431 (cgraph_add_asm_node): Declare.
13432 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13434 (cgraph_varpool_assemble_pending_decls): Call it.
13435 (cgraph_output_pending_asms): New static function.
13436 (cgraph_finalize_compilation_unit): Call it.
13437 (struct cgraph_order_sort): Define.
13438 (cgraph_output_in_order): New static function.
13439 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13440 !flag_toplevel_reorder case.
13441 * c-parser.c: Include "cgraph.h".
13442 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13444 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13445 than -fno-unit-at-a-time.
13446 * doc/invoke.texi (Option Summary): Mention
13447 -fno-toplevel-reorder.
13448 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13449 -funit-at-a-time documentation.
13451 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13452 Kazu Hirata <kazu@codesourcery.com>
13454 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13456 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13458 * Makefile.in (FUNCTION_H): New. Use it instead of
13459 function.h throughout the file.
13460 * function.h: Include tree.h.
13462 2006-01-17 Ben Elliston <bje@au.ibm.com>
13464 * recog.c: Separate some functions with whitespace.
13466 2006-01-16 Richard Henderson <rth@redhat.com>
13468 Merge from gomp branch:
13469 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13470 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13471 and rename from struct inline_data. Rename callee* to dst*;
13472 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13473 transform_new_cfg, transform_return_to_modify, and
13474 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13476 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13477 (copy_decl_for_dup): Remove.
13478 * tree-inline.c (struct inline_data): Move to header.
13479 (insert_decl_map): Export.
13480 (remap_decl): Update for member name changes. Use copy_decl hook.
13481 Allow for replacement to be a non-decl. Remove dead code.
13482 (remap_type_1): Check for existing mapping.
13483 (remap_type): Export.
13484 (remap_decls): Update for member name changes.
13485 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13486 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13487 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13488 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13489 (tree_function_versioning, build_duplicate_type): Likewise.
13490 (copy_body_r): Likewise. Export.
13491 (copy_decl_for_dup): Split into ...
13492 (copy_decl_for_dup_finish, copy_decl_to_var,
13493 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13494 (replace_ref_tree, inlining_p): Remove.
13496 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13498 * ifcvt.c (if_convert): Make it static.
13499 * rtl.h: Remove the prototype for if_convert.
13501 * local-alloc.c (local_alloc): Make it static.
13502 * rtl.h: Remove the prototype for local_alloc.
13504 * loop.c (loop_optimize): Make it static.
13505 * cfgloop.h: Remove the prototype for loop_optimize.
13508 2006-01-16 DJ Delorie <dj@redhat.com>
13510 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13513 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13515 * pa.md: Disparage copies between general and floating-point registers
13516 in 32-bit move patterns.
13518 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13521 * Makefile.in (check-%): Depend on site.exp instead of
13522 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13525 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13527 * global.c (global_alloc): Make it static.
13528 * rtl.h: Remove the prototype for global_alloc.
13530 2006-01-16 Richard Guenther <rguenther@suse.de>
13532 * tree-ssa-alias.c (struct used_part): Add write_only field.
13533 (get_or_create_used_part_for): Initialize it to true.
13534 (create_overlap_variables_for): Don't create structure variables
13535 for structures that only are written to.
13536 (find_used_portions): Handle MODIFY_EXPR to track whether a
13537 structure is only written to.
13539 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13541 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13543 * basic-block.h: Remove the prototype for
13544 partition_hot_cold_basic_blocks.
13546 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13548 * cppspec.c (lang_specific_spec_functions): Remove.
13549 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13550 * gcc.h (lang_specific_spec_functions): Remove.
13551 * gccspec.c (lang_specific_spec_functions): Remove.
13553 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13555 * combine.c (record_value_for_reg): Invalidate registers
13557 (record_dead_and_set_regs_1): Likewise, by passing them to
13558 record_value_for_reg.
13559 (record_dead_and_set_regs): Invalidate stores made by a
13560 call. We do not combine across a call, but we still
13561 relied on equivalences.
13563 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13565 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13566 vrp_int_const_binop returning non-constant nodes.
13568 2006-01-16 Paul Brook <paul@codesourcery.com>
13570 * config/m68k/m68k.c (output_move_const_into_data_reg):
13571 Output correct mnemonic for mvz and mvs.
13573 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13575 * rtl-factoring.c: Add sequence abstraction algorithm.
13576 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13577 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13579 (block_has_preserve_label): New function.
13580 * common.opt: Register new pass.
13581 * Makefile.in: Ditto.
13583 * timevar.def: Ditto.
13584 * tree-pass.h: Ditto.
13585 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13586 * rtl.h (make_jump_insn_raw): Add forward decl.
13587 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13589 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13590 Roger Sayle <roger@eyesopen.com>
13592 * fold-const.c (fold_minmax): New static function.
13593 (fold_binary) <MIN_EXPR>: Call it.
13594 <MAX_EXPR>: Likewise.
13595 * stor-layout.c (place_field): Use DECL_SIZE consistently
13596 in the computation of the new record size.
13598 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13600 * cse.c (cse_condition_code_reg): Make it static.
13601 * rtl.h: Remove the prototype for cse_condition_code_reg.
13603 * combine.c (combine_instructions): Make it static.
13604 * rtl.h: Remove the prototype for combine_instructions.
13606 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13609 * tree.c (get_file_function_name_long): Concatenate the first global
13610 object name with a string derived from the input filename of the object
13613 2006-01-16 Ben Elliston <bje@au.ibm.com>
13615 * config/i386/winnt-stubs.c: Update FSF address.
13616 * config/xtensa/ieee754-df.S: Ditto.
13617 * config/xtensa/ieee754-sf.S: Ditto.
13619 2006-01-14 Ian Lance Taylor <ian@airs.com>
13621 * ifcvt.c (noce_init_if_info): New static function, broken out of
13622 noce_process_if_block.
13623 (noce_process_if_block): Call noce_init_if_info.
13624 (check_cond_move_block): New static function.
13625 (cond_move_process_if_block): New static function.
13626 (process_if_block): Call cond_move_process_if_block.
13628 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13630 * cselib.c (hash_table): Rename to cselib_hash_table.
13631 (cselib_clear_table, discard_useless_values,
13632 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13633 cselib_init, cselib_finish): Adjust uses of hash_table.
13635 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13637 PR tree-optimization/25485
13638 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13639 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13640 is known to be false and true, respectively.
13642 2006-01-14 Richard Guenther <rguenther@suse.de>
13644 PR tree-optimization/22548
13645 PR tree-optimization/22555
13646 PR tree-optimization/22501
13647 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13648 * params.def (salias-max-array-elements): New parameter.
13649 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13650 * doc/invoke.texi (salias-max-array-elements): Document.
13651 * tree-flow-inline.h (var_can_have_subvars): We also handle
13653 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13655 * tree-ssa-structalias.c (params.h): Include.
13656 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13657 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13658 (get_constraint_for): For ADDR_EXPR operating on something
13659 containing an ARRAY_REF, add all subvars to the solution.
13660 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13661 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13662 for creating MUST_DEFs.
13663 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13665 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13667 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13669 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13670 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13671 number_of_iterations_le): New functions.
13672 (number_of_iterations_special): Removed.
13673 (number_of_iterations_exit): Do not use number_of_iterations_special.
13674 * tree.c (unsigned_type_for): Always return integer type.
13676 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13677 Richard Guenther <rguenther@suse.de>
13679 PR rtl-optimization/24257
13680 * gcse.c (find_moveable_store): Only consider a store movable
13681 when the SET_SRC of the insn can be assigned to a register.
13683 2006-01-14 Ian Lance Taylor <ian@airs.com>
13685 * tree.c (tree_not_class_check_failed): New function.
13686 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13687 (tree_not_class_check_failed): Declare.
13689 2006-01-13 Ian Lance Taylor <ian@airs.com>
13691 * reload1.c (do_output_reload): Add assertion rejecting a
13694 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13696 * combine.c (struct reg_stat): Add new fields truncation_label and
13698 (record_value_for_reg): Reset truncated_to_mode.
13699 (record_truncated_value): New function.
13700 (check_promoted_subreg): Call it. Rename to check_conversions.
13701 (combine_instructions): Rename check_promoted_subreg to
13703 (reg_truncated_to_mode): New function.
13704 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13705 (gen_lowpart_or_truncate): New function.
13706 (force_to_mode): Use it instead of gen_lowpart.
13708 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13710 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13711 VAR is a tag, not its type tag.
13713 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13715 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13716 alternatives to match style of other entries.
13717 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13719 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13721 PR tree-optimization/25771
13722 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13725 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13728 * tree-inline.c (declare_return_variable): If the return variable
13729 was marked as a non gimple complex, set the return slot variable
13730 to be a non gimple comple variable.
13732 2006-01-13 Richard Guenther <rguenther@suse.de>
13734 * builtins.c (expand_builtin_sincos): New function.
13735 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13737 (expand_builtin): Expand sincos using expand_builtin_sincos.
13739 2006-01-12 DJ Delorie <dj@redhat.com>
13741 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13742 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13743 so that constant shifts can be split.
13744 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13745 (m32c_valid_pointer_mode): Make static.
13746 (shift_gen_func_for): New.
13747 (m32c_prepare_shift): Use it. Split large const shifts into
13749 * config/m32c/predicates.md (shiftcount_operand): Allow more
13751 (longshiftcount_operand): New.
13752 * doc/md.texi (Machine Constraints): Document In6.
13754 2006-01-13 Ben Elliston <bje@au.ibm.com>
13756 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13757 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13760 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13762 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13763 to try to avoid clobbering pieces of structures when we know
13764 something about the whole structure.
13765 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13767 2006-01-13 Ben Elliston <bje@au.ibm.com>
13769 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13770 return in memory, as this is no limitation is no longer present.
13772 2006-01-12 DJ Delorie <dj@redhat.com>
13774 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13775 mova with fb, and for fb+0 -> An.
13777 * config/m32c/mov.md (peephole2): Fix enabling logic.
13779 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13780 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13781 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13782 FINI_ARRAY_SECTION_ASM_OP): Define.
13784 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13786 (m32c_legitimize_reload_address): New logic to reload FB to An.
13787 (m32c_output_reg_push): Add newline.
13788 (m32c_output_reg_pop): Likewise.
13790 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13792 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13794 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13796 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13798 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13800 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13803 2006-01-11 Ben Elliston <bje@au.ibm.com>
13805 * rtlanal.c (find_reg_note): Assert insn is not null.
13807 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13809 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13812 2006-01-11 Jeff Law <law@redhat.com>
13814 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13816 (mark_threaded_blocks, register_jump_thread): New functions.
13817 (thread_through_all_blocks): Remove unwanted argument. No
13818 longer rely on e->aux to communicate thread target info.
13819 Call mark_threaded_blocks. Release the threaded_blocks
13820 bitmap and threaded_edges vector when complete.
13821 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13822 (threaded_blocks): Remove.
13823 (tree_ssa_dominator_optimize): Remove initialization and
13824 finalization of threaded_blocks. Simplify call to
13825 thread_through_all_blocks.
13826 (thread_across_edge): Call register_jump_thread rather than
13827 storing thread information into e->aux.
13828 (free_all_edge_infos): Simplify now that e->aux is no longer
13829 used to communicate with thread_through_all_blocks.
13830 * tree-flow.h (thread_through_all_blocks): Update prototype.
13831 (register_jump_thread): Prototype.
13833 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13835 * df-core.c (df_compact_blocks, df_bb_replace): Use
13836 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13838 2006-01-11 Richard Guenther <rguenther@suse.de>
13840 PR tree-optimization/25734
13841 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13842 stop propagation after successful propagation to the LHS.
13844 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13846 * basic-block.h (control_flow_graph): Change the type of
13847 x_basic_block_info to VEC(basic_block,gc) *.
13848 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13850 (SET_BASIC_BLOCK): New.
13851 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13852 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13853 * cfgbuild.c (find_basic_blocks): Likewise.
13854 * cfglayout.c (fixup_reorder_chain): Likewise.
13855 * cfgrtl.c (create_basic_block_structure,
13856 rtl_create_basic_block): Likewise.
13857 * ifcvt.c (find_if_case_1): Likewise.
13858 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13861 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13863 * Makefile.in: Removed rotted odf.c entry.
13865 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13868 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13869 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13870 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13871 output pattern modifier, not %e.
13872 * config/cris/cris.c (cris_op_str): Update comment about pattern
13874 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13875 before falling through into...
13876 <case 'E'>: Redefined from old 'e' case.
13878 2006-01-11 Jan Hubicka <jh@suse.cz>
13881 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13883 2006-01-11 Jan Hubicka <jh@suse.cz>
13885 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13886 * i386.c (x86_decompose_lea): Kill.
13887 (ix86_rtx_costs): Kill.
13889 2006-01-11 Jan Hubicka <jh@suse.cz>
13891 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13892 * cgraph.h (cgraph_node): Add inline_decl.
13893 (cgraph_insert_node_to_hashtable): Declare.
13894 (save_inline_function_body): Declare.
13895 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13897 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13898 (cgraph_function_versioning): Update call of tree_function_versioning.
13899 (save_inline_function_body): New function.
13900 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13901 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13902 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13903 (cgraph_default_inline_p): Likewise.
13904 (cgraph_decide_inlining_incrementally): Likewise.
13905 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13906 (copy_bb): Kill saving; do updating of clones.
13907 (copy_cfg_body): Kill saving.
13908 (initialize_inlined-parameters): Likewise.
13909 (expand_call_inline): Likewise.
13911 (tree_function_versioning): New parameter "update_clones".
13912 (inlining_p): Kill saving.
13913 * tree-inline.h (tree_function_versioning): Update prototype.
13914 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13917 2006-01-11 Ian Lance Taylor <ian@airs.com>
13919 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13920 Allow undoing set of machine mode.
13921 (do_SUBST): Use enums instead of is_int.
13922 (do_SUBST_MODE): New function.
13923 (SUBST_MODE): New macro.
13924 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13925 reg and trying to replace reg_regno_rtx with a new register.
13926 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13927 (simplify_set): Use SUBST_MODE.
13928 (distribute_notes): Remove code that tried to update reg notes
13929 for regno_reg_rtx changes.
13931 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13933 PR tree-optimization/23109
13934 PR tree-optimization/23948
13935 PR tree-optimization/24123
13937 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13938 * tree-cfg.c (single_noncomplex_succ): New.
13939 * tree-flow.h (single_noncomplex_succ): Declare it.
13940 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13941 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13942 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13943 insert_bb, register_division_in, insert_reciprocals,
13944 replace_reciprocal, free_bb): New.
13945 (execute_cse_reciprocals_1): Rewritten.
13946 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13947 Do not commit any edge insertion. Always compute dominators and
13948 create the allocation pool.
13949 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13950 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13951 * targhooks.c (default_min_divistions_for_recip_mul): New.
13952 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13953 * passes.c (init_optimization_passes): Run recip after tree loop
13955 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13957 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13958 Kenneth Zadeck <zadeck@naturalbridge.com>
13960 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13961 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13962 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13963 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13964 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13965 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13966 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13967 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13968 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13969 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13970 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13971 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13972 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13973 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13974 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13975 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13976 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13977 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13978 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13979 DF_SCAN_POST_ALLOC): New macros.
13980 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13981 df_free_bb_function, df_local_compute_function, df_init_function,
13982 df_dataflow_function, df_confluence_function_0,
13983 df_confluence_function_n, df_transfer_function,
13984 df_finalizer_function, df_free_function, df_dump_problem_function,
13985 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13986 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13987 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13988 df_urec_bb_info, ) New types.
13989 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13991 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13992 df_analyze_simple_change_some_blocks,
13993 df_analyze_simple_change_one_block, df_compact_blocks,
13994 df_bb_replace, df_bb_regno_last_use_find,
13995 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13996 df_insn_regno_def_p, df_find_def, df_find_use,
13997 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13998 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13999 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14000 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14001 debug_df_chain, df_get_dependent_problem, df_chain_create,
14002 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14003 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14004 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14005 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14006 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14007 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14008 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14009 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14010 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14011 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14012 df_reorganize_refs, df_set_state, df_hard_reg_init,
14013 df_read_modify_subreg_p) New public functions.
14014 * df-core.c: The core dataflow solver and glue routines for rtl
14016 (df_init, df_add_problem, df_set_blocks, df_finish,
14017 df_hybrid_search_forward, df_hybrid_search_backward,
14018 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14019 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14020 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14021 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14022 df_reg_defined, df_find_use, df_reg_used, df_dump,
14023 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14024 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14025 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14026 debug_df_useno, reset_df_after_reload): New functions.
14027 * df-scan.c: The scanning fuctions, once in df.c, completely
14028 rewritten so that they now fully model the functionality of
14029 register usage at the backend.
14030 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14031 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14032 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14033 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14034 df_get_artificial_defs, df_get_artificial_uses,
14035 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14036 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14037 df_refs_delete, df_reorganize_refs, df_set_state,
14038 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14039 df_def_record_1, df_defs_record, df_uses_record,
14040 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14041 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14042 df_record_exit_block_uses, df_hard_reg_init): New functions.
14044 * df-problems.c: Seven concrete dataflow problems that use the
14045 scanning in df-scan.c and are solved by the engine in df-core.c.
14046 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14047 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14048 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14049 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14050 df_ru_free_bb_info, df_ru_alloc,
14051 df_ru_bb_local_compute_process_def,
14052 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14053 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14054 df_ru_transfer_function, df_ru_free, df_ru_dump,
14055 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14056 df_rd_free_bb_info, df_rd_alloc,
14057 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14058 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14059 df_rd_transfer_function, df_rd_free, df_rd_dump,
14060 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14061 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14062 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14063 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14064 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14065 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14066 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14067 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14068 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14069 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14070 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14071 df_urec_mark_reg_use_for_earlyclobber,
14072 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14073 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14074 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14075 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14076 df_chain_create_bb_process_use, df_chain_create_bb,
14077 df_chain_finalize, df_chain_free, df_chains_dump,
14078 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14079 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14080 df_reg_lifetime): New functions.
14081 * df.c: Deleted file.
14082 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14083 consistent with new df api.
14084 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14085 rest_of_handle_sms): Ditto.
14086 * web.c (unionfind_union, union_defs, entry_register, web_main):
14088 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14089 invariant_expr_equal_p, find_defs, check_dependencies,
14090 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14091 free_inv_motion_data, move_loop_invariants): Ditto.
14092 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14093 Update dependencies.
14094 (odf.c): Added defective entry that was deleted later in day.
14095 * sched-deps.c (sched_analyze_1): Ditto.
14097 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14099 * tree-ssa-operands.c (get_expr_operands): Record addressable
14100 variables directly. Do not call add_stmt_operands for CONST_DECLs
14102 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14103 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14105 2006-01-11 Ben Elliston <bje@au.ibm.com>
14107 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14108 function returns true in the positive case.
14110 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14113 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14114 for SI, DI, SF and DF modes. Add alternatives to copy between
14115 general and floating point registers to the 32-bit patterns.
14116 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14117 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14118 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14119 generating 64-bit code.
14120 * config/pa/pa.c (output_move_double): Handle copies between general
14121 and floating registers.
14123 2006-01-10 Stuart Hastings <stuart@apple.com>
14125 * config/i386/i386.md (set_got): Update.
14126 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14127 (builtin_setjmp_receiver): Mach-O support.
14128 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14129 (GOT_SYMBOL_NAME): Define.
14130 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14131 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14132 * config/i386/i386.c (override_options): Revise for Darwin.
14133 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14134 support. (darwin_x86_file_end): New. (output_set_got): Add label
14135 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14136 * config/i386/i386-protos.h (output_set_got): Likewise.
14137 * config/darwin.c (machopic_legitimize_pic_address): Update
14140 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14142 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14143 when MODE isn't BLKmode.
14145 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14147 PR rtl-optimization/25367
14148 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14150 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14153 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14154 for a negative bound.
14156 2006-01-10 Richard Guenther <rguenther@suse.de>
14158 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14159 Never override with anything constraint.
14161 2006-01-10 Jan Beulich <jbeulich@novell.com>
14163 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14164 256 bits when optimize_size.
14166 2006-01-10 Jan Beulich <jbeulich@novell.com>
14168 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14170 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14171 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14174 2006-01-10 Ben Elliston <bje@au.ibm.com>
14176 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14178 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14179 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14180 (USE_FP_FOR_ARG): Reject decimal float modes.
14181 (function_arg_advance): Likewise.
14182 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14183 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14184 point types in AltiVec vectors.
14185 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14186 (rs6000_libcall_value): Likewise.
14188 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14190 * config/xtensa/ieee754-df.S: New file.
14191 * config/xtensa/ieee754-sf.S: New file.
14192 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14193 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14194 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14196 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14198 * config/sh/predicates.md (binary_float_operator,
14199 binary_logical_operator, commutative_float_operator,
14200 equality_comparison_operator, greater_comparison_operator,
14201 less_comparison_operator, logical_operator,
14202 noncommutative_float_operator, shift_operator,
14203 symbol_ref_operand, unary_float_operator): Remove redundant
14206 2006-01-09 Jeff Law <law@redhat.com>
14208 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14209 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14210 now unused arguments. Callers updated.
14211 (eliminate_redundant_computations): Remove now unused arguments,
14213 (local_fold): Remove, no longer used.
14214 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14216 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14217 (simplify_cond): New function.
14218 (forward_propagate_into_cond): Call simplify_cond.
14220 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14222 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14223 (*vec_extractv2di_1_sse): New.
14225 2006-01-09 Ben Elliston <bje@au.ibm.com>
14227 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14229 2006-01-08 Richard Guenther <rguenther@suse.de>
14231 * tree-ssa-structalias.c (get_constraint_for): Remove
14232 anyoffset argument.
14233 (get_constraint_for_component_ref): Likewise.
14234 (do_deref): Likewise.
14235 (get_constraint_for): Likewise.
14236 (do_structure_copy): Likewise.
14237 (handle_ptr_arith): Likewise.
14238 (find_func_aliases): Likewise. Remove unused need_anyoffset
14241 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14242 Kaz Kojima <kkojima@gcc.gnu.org>
14244 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14245 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14246 (EXTRA_CONSTRAINT_C16): Remove.
14247 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14248 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14249 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14250 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14251 constants of SHmedia. Handle nested constant expressions of
14253 (andcosts): Fix the costs for SHmedia constants.
14254 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14255 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14256 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14257 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14258 (movv4hi_i, movv2si_i): Likewise.
14259 (movsi_const): Adjust the second operand of ior so to match with
14260 the Csu constraint.
14261 (movdi_const, movdi_const_32bit): Likewise.
14262 (movdi_const_16bit+1): Don't sign-extend LOW.
14263 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14265 (*double_shori): Fix the split condition. Use GEN_INT instead
14266 of get_int_mode calls. Mask lower 16-bit of the argument of
14268 (sym2GOTPLT): Remove.
14269 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14271 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14272 instead of EXTRA_CONSTRAINT_C16.
14274 2006-01-07 Ian Lance Taylor <ian@airs.com>
14275 David Edelsohn <edelsohn@gnu.org>
14277 PR rtl-optimization/25662
14278 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14279 for constant operands instead of simplify_gen_binary.
14280 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14281 after trying simplify_binary_operation
14283 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14285 * tree.c (iterative_hash_expr): Hash decls based on UID.
14287 2006-01-06 Eric Christopher <echristo@apple.com>
14289 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14290 (TARGET_UNWIND_EMIT): Fix spelling.
14291 * target.h (gcc_target): Add except_table_label.
14292 * except.c (output_function_exception_table): Use.
14293 * varasm.c (default_emit_except_table_label): New.
14294 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14296 (asm_out): Add here.
14297 * output.h (default_emit_except_table_label): Prototype.
14298 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14299 * config/darwin.c (darwin_emit_except_table_label): Define.
14300 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14302 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14304 PR tree-optimization/18527
14305 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14306 number_of_iterations_special, number_of_iterations_exit):
14307 Move base and step of an iv to a single structure. Add
14308 no_overflow flag, and use it in # of iterations analysis.
14309 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14310 folded_casts argument.
14311 (simple_iv): Pass base and step in a structure. Set no_overflow
14313 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14314 Evaluate expensiveness of computing # of iterations instead of
14315 the final expression.
14316 * tree-scalar-evolution.h (affine_iv): New structure.
14317 (simple_iv): Declaration changed.
14318 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14319 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14320 find_givs_in_stmt): Changed due to simple_iv change.
14322 2006-01-06 Jeff Law <law@redhat.com>
14325 * tree-cfg.c (bsi_replace): Rename final argument from
14326 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14327 change (stmt -> orig_stmt).
14328 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14329 (bsi_remove): Add new argument. Remove EH information
14331 (verify_eh_throw_table_statements): New function.
14332 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14334 * tree-optimize.c (execute_free_cfg_annotations): Verify
14335 the EH throw statement table after removing annotations.
14336 * except.h (verify_eh_throw_table_statements): Prototype.
14337 * tree-flow.h (bsi_remove): Update prototype.
14338 * tree-vrp.c (remove_range_assertions): Add new argument to
14340 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14341 * tree-complex.c (expand_complex_div_wide): Likewise.
14342 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14343 * tree-tailcall.c (eliminate_tailcall): Likewise.
14344 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14345 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14346 * tree-nrv.c (tree_nrv): Likewise.
14347 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14348 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14349 (combine_blocks): Likewise.
14350 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14351 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14352 (cleanup_control_flow): Likewise.
14353 (remove_forwarder_block): Likewise.
14354 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14355 * tree-sra.c (sra_replace): Likewise.
14356 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14357 (forward_propagate_single_use_vars): Likewise.
14358 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14359 * tree-inline.c (expand_call_inline): Likewise.
14360 * tree-vect-transform.c (vect_transform_loop): Likewise.
14361 * tree-outof-ssa.c (rewrite_trees): Likewise.
14362 * tree-cfg.c (make_goto_expr_edges): Likewise.
14363 (cleanup_dead_labels): Likewise.
14364 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14365 (bsi_move_before, bsi_move_after): Likewise.
14366 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14367 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14369 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14372 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14374 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14375 on non gimple variables. Also add checks at the top for decls and
14377 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14379 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14380 and IMAGPART_EXPR for creating MUST_DEFs.
14381 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14382 and NAME_MEMORY_TAG separately from the DECLs.
14384 2006-01-06 Richard Guenther <rguenther@suse.de>
14386 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14387 annotation, if necessary.
14388 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14389 redundant calls to update_stmt.
14390 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14393 2006-01-05 Richard Henderson <rth@redhat.com>
14395 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14397 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14399 * c-typeck.c: Update copyright date.
14401 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14403 * c-typeck.c (build_c_cast): Always warn when casting
14404 from a pointer to an integer of different size, even if
14405 the node was constant.
14407 2006-01-05 Richard Guenther <rguenther@suse.de>
14409 PR tree-optimization/22555
14410 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14411 if one structure field is an array.
14412 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14413 operands even if we found a subvar, but ignore VOPs in this
14415 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14417 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14419 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14421 PR middle-end/24998
14422 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14424 2006-01-05 Richard Guenther <rguenther@suse.de>
14425 Diego Novillo <dnovillo@redhat.com>
14427 * tree-pass.h (TODO_remove_unused_locals): Define.
14428 * gimple-low.c (expand_var_p, remove_useless_vars,
14429 pass_remove_useless_vars): Remove. Update all users.
14430 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14431 (remove_unused_locals): New function.
14432 * tree-flow.h (remove_unused_locals): Declare.
14433 * passes.c (execute_todo): Call remove_unused_locals if
14434 TODO_remove_unused_locals is set.
14435 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14436 * tree-ssa-dce.c (pass_dce): Likewise.
14437 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14439 2006-01-05 Richard Guenther <rguenther@suse.de>
14441 * tree-flow.h (struct fieldoff): Decompose field to
14442 type, size and decl.
14443 * tree-ssa-alias.c (create_sft): Take type as parameter.
14444 (create_overlap_variables_for): Store type, size and decl
14445 in the fieldoff structure.
14446 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14447 of struct fieldoff.
14448 (push_fields_onto_fieldstack): Likewise.
14449 (create_variable_info_for): Likewise. Use offset for the
14450 SFT name if the decl is not available.
14452 2006-01-04 Paul Brook <paul@codesourcery.com>
14454 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14456 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14458 * lambda-code.c (can_put_in_inner_loop): Relax
14460 (can_put_after_inner_loop): New function.
14461 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14462 (perfect_nestify): Change to make copies and modify uses.
14464 2006-01-04 Richard Henderson <rth@redhat.com>
14466 Merge from gomp branch:
14467 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14468 via integer constant.
14469 (pragma_lex): Remove.
14470 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14471 rather than parsing it.
14472 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14473 handle_pragma_extern_prefix): Add %< %> quotes.
14474 (registered_pragmas): New.
14475 (c_register_pragma_1): New.
14476 (c_register_pragma): Use it.
14477 (c_register_pragma_with_expansion): Likewise.
14478 (c_invoke_pragma_handler): New.
14479 (init_pragma): Use cpp_register_deferred_pragma directly for
14481 * c-pragma.h (enum pragma_kind): New.
14482 (pragma_handler): New.
14483 (c_invoke_pragma_handler): Declare.
14484 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14486 * c-common.h (c_common_pch_pragma): Update decl.
14487 * Makefile.in (c-parser.o): Update dependencies.
14488 (GTFILES): Add c-pragma.h.
14489 * c-parser.c (struct c_token): Add pragma_kind.
14490 (struct c_parser): Add in_pragma.
14491 (c_lex_one_token): Always initialize keyword and pragma_kind.
14492 Extract data for CPP_PRAGMA.
14493 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14494 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14495 Don't allow CPP_PRAGMA_EOL if in_pragma.
14496 (c_parser_consume_pragma): New.
14497 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14498 (c_parser_skip_to_end_of_parameter): Likewise.
14499 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14500 (c_parser_skip_to_pragma_eol): New.
14501 (c_parser_external_declaration): Handle CPP_PRAGMA.
14502 (c_parser_compound_statement_nostart): Likewise.
14503 (c_parser_statement_after_labels): Likewise.
14504 (c_parser_pragma): New.
14505 (pragma_lex): Likewise.
14506 (c_parser_pragma_pch_preprocess): New.
14507 (c_parser_new): Merge into ...
14508 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14510 2006-01-04 Jeff Law <law@redhat.com>
14513 * tree-cfg.c (bsi_replace): Remove the original statement
14514 from the EH throw statement table.
14516 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14518 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14519 make the prototype extern "C" and add throw ().
14522 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14523 and pos non-negative and pos + len <= 32.
14524 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14525 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14526 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14529 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14530 as well as sizes not multiple of component size.
14533 * function.c (instantiate_expr): New function.
14534 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14535 walk its DECL_VALUE_EXPR with instantiate_expr.
14537 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14538 DW_OP_deref{,_size} if address isn't going to be added.
14540 2006-01-04 Ben Elliston <bje@au.ibm.com>
14542 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14543 * config/fp-bit.c: Likewise.
14545 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14547 * dominance.c: Add comment about why we use DFS numbering
14550 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14551 Richard Henderson <rth@redhat.com>
14553 Merge from gomp-branch:
14554 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14555 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14557 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14559 PR rtl-optimization/25578
14560 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14561 pass a parameter to simplify_shift_const if changing ASHIFTRT
14564 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14566 * builtins.c (get_builtin_sync_mem): New function.
14567 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14568 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14569 Call get_builtin_sync_mem to generate mem rtx.
14571 2006-01-03 Richard Guenther <rguenther@suse.de>
14574 * stmt.c (add_case_node): Make sure to clear overflow flags
14577 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14579 Merge from gomp-branch.
14580 * config/sparc/sync.md: New file.
14581 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14582 UNSPECV_LDSTUB): New constants.
14583 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14584 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14585 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14588 2006-01-03 Roger Sayle <roger@eyesopen.com>
14590 * combine.c (reg_subword_p): New predicate to test whether the
14591 destination of a set refers to a subword/piece of a register.
14592 (try_combine): Generalize the code to merge the setting of a
14593 pseudo to a constant followed by a set of a subword of that
14594 register to a constant.
14596 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14598 * basic-block.h (control_flow_graph): Change the type of
14599 x_label_to_block_map to VEC(basic_block,gc) *.
14600 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14601 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14603 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14604 VEC(basic_block,heap) *.
14605 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14606 ssa_prop_fini): Adjust the uses of cfg_blocks.
14608 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14610 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14612 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14613 hashing trees instead of a pointer hash.
14614 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14615 compare for MEM_EXPR.
14617 PR rtl-optimization/25130
14618 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14619 when comparing MEMs for GCSE
14621 2006-01-03 Ben Elliston <bje@au.ibm.com>
14623 * targhooks.h (default_decimal_float_supported_p): Declare.
14624 * targhooks.c (default_decimal_float_supported_p): Define.
14625 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14626 `default_decimal_float_supported_p'.
14627 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14629 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14631 * combine.c (apply_distributive_law <SUBREG>): Check
14632 TRULY_NOOP_TRUNCATION.
14634 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14636 * dwarf2out.c (have_switched_text_section): Delete.
14637 (have_multiple_function_sections): New.
14638 (have_location_lists): Make 'bool'.
14639 (add_AT_loc_list): Use 'true' not '1'.
14640 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14641 (output_loc_list): Use have_multiple_function_sections.
14642 (output_ranges): Likewise.
14643 (dwarf2out_begin_function): Set have_multiple_function_sections if
14645 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14646 Check function_section rather than DECL_SECTION_NAME.
14647 (dwarf2out_finish): Use have_multiple_function_sections.
14648 Don't clear have_location_lists.
14650 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14651 Jan Hubicka <jh@suse.cz>
14653 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14654 case of conditional jump jumping to the next instruction.
14655 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14656 cases of conditional jump jumping to the next instruction.
14658 2006-01-02 Jan Hubicka <jh@suse.cz>
14660 * i386.c (*_cost): Add COSTS_N_INSNS.
14661 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14663 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14666 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14668 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14670 * config/arm/arm.c (all_fpus): Fix comment typo.
14671 * config/darwin.c: Likewise.
14672 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14673 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14674 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14676 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14678 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14679 (rs6000_split_compare_and_swapqhi): New.
14680 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14681 (sync_compare_and_swapqhi_internal): New.
14682 * config/rs6000/rs6000-protos.h: Declare.