1 2006-09-07 Eric Christopher <echristo@apple.com>
3 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8 2006-09-07 Geoffrey Keating <geoffk@apple.com>
10 * dwarf2out.c: Remove strange characters from comment above
11 dwarf2out_frame_debug_expr.
13 2006-09-07 Eric Christopher <echristo@apple.com>
15 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
16 * config/darwin.h: ... to here.
18 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
20 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
22 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
23 (TARGET_PARTIAL_FLAG_REG_STALL): New.
25 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
26 TARGET_PARTIAL_FLAG_REG_STALL.
27 (*ashldi3_cconly_rex64): Likewise.
28 (*ashlsi3_cmp): Likewise.
29 (*ashlsi3_cconly): Likewise.
30 (*ashlsi3_cmp_zext): Likewise.
31 (*ashlhi3_cmp): Likewise.
32 (*ashlhi3_cconly): Likewise.
33 (*ashlqi3_cmp): Likewise.
34 (*ashlqi3_cconly): Likewise.
35 (*ashrdi3_cmp_rex64): Likewise.
36 (*ashrdi3_cconly_rex64): Likewise.
37 (*ashrsi3_cmp): Likewise.
38 (*ashrsi3_cconly): Likewise.
39 (*ashrsi3_cmp_zext): Likewise.
40 (*ashrhi3_cmp): Likewise.
41 (*ashrhi3_cconly): Likewise.
42 (*ashrqi3_cmp): Likewise.
43 (*ashrqi3_cconly): Likewise.
44 (*lshrdi3_cmp_rex64): Likewise.
45 (*lshrdi3_cconly_rex64): Likewise.
46 (*lshrsi3_cmp): Likewise.
47 (*lshrsi3_cconly): Likewise.
48 (*lshrsi3_cmp_zext): Likewise.
49 (*lshrhi3_cmp): Likewise.
50 (*lshrhi3_cconly): Likewise.
51 (*lshrqi2_cmp): Likewise.
52 (*lshrqi2_cconly): Likewise.
54 2006-09-07 Uros Bizjak <uros@kss-loka.si>
57 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
58 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
59 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
60 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
61 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
62 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
63 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
64 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
65 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
66 implement only CC setting effects of shift instructions.
68 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
70 * doc/contrib.texi: Add myself.
72 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
75 * stor-layout.c (relayout_decl): Don't zero the alignment if it
78 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
81 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
82 (divsi_inv_m1): Use them.
83 (UNSPEC_DIV_INV_TABLE): New constant.
85 2006-09-06 James E Wilson <wilson@specifix.com>
88 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
89 then call count_or_remove_death_notes.
91 2006-09-06 Jason Merrill <jason@redhat.com>
94 * tree-inline.c (copy_result_decl_to_var): New fn.
95 (declare_return_variable): Use it. Call declare_inline_vars here.
96 (expand_call_inline): Not here.
98 2006-09-06 Diego Novillo <dnovillo@redhat.com>
100 * doc/contrib.texi: Update my entry.
102 2006-09-06 Nick Clifton <nickc@redhat.com>
104 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
106 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
109 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
110 (canonicalize_induction_variables): Likewise.
111 (tree_unroll_loops_completely): Likewise.
112 (tree_ssa_prefetch_arrays): Likewise.
113 (remove_empty_loops): Likewise.
114 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
115 TODO_cleanup_cfg instead of directly calling
116 cleanup_tree_cfg_loop.
117 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
119 (tree_unroll_loops_completely): Likewise.
120 (remove_empty_loops): Likewise.
121 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
122 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
123 of tree_ssa_unswitch_loops.
124 (tree_ssa_loop_ivcanon): Use the return value of
125 canonicalize_induction_variables.
126 (tree_ssa_empty_loop): Use the return value of
128 (tree_complete_unroll): Use the return value of
129 tree_unroll_loops_completely.
130 (tree_ssa_loop_prefetch): Use the return value of
131 tree_ssa_prefetch_arrays.
132 * passes.c (execute_todo): Before Cleanup CFG, set
133 updating_used_alone and after cleanup CFG, call
134 recalculate_used_alone.
136 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
139 * tree-vect-transform.c (vectorizable_condition): Move the check
140 for the type after the check for simple condition.
142 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
143 Kaz Kojima <kkojima@gcc.gnu.org>
146 * mode-switching.c (optimize_mode_switching): Make the destination
147 block of an abnormal edge have no anticipatable mode. Don't
148 insert mode switching code at the end of the source block of
151 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
153 PR rtl-optimization/26847
154 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
155 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
156 (simplify_plus_minus): Count n_constants while filling ops. Replace
157 qsort with insertion sort. Before going through the array to simplify
158 pairs, sort it. Delay early exit until after the first sort, exiting
159 only if no swaps occurred. Simplify pairs in reversed order, without
160 special-casing the first iteration. Pack ops after simplifying pairs.
162 2006-09-05 Anatoly Sokolov <aesok@post.ru>
164 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
165 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
166 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
167 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
169 2006-09-05 Richard Guenther <rguenther@suse.de>
171 PR tree-optimization/28900
172 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
173 compound conditional before creating COND_EXPR condition.
175 2006-09-05 Richard Guenther <rguenther@suse.de>
177 PR tree-optimization/28905
178 * tree-vrp.c (fix_equivalence_set): Manually implement
179 !value_ranges_intersect_p to also handle symbolic ranges.
181 2006-09-05 Richard Guenther <rguenther@suse.de>
184 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
187 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
189 PR rtl-optimization/27616
190 * cse.c (table_size): New static variable.
191 (new_basic_block): Initialize it to 0.
192 (remove_from_table): Decrement it.
193 (insert): Increment it.
194 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
195 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
196 fold_rtx_mem_1 if under the cap.
197 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
198 the lookup of the equivalent expression and test for equality of the
199 first operand of the equivalent expression before in turn looking up
200 an equivalent constant for the second operand.
202 2006-09-02 Geoffrey Keating <geoffk@apple.com>
205 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
206 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
207 pointer, instead of assuming it is possible to derive the
208 correct args size from a call insn.
210 2006-09-02 Jakub Jelinek <jakub@redhat.com>
213 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
214 (fold_builtin_mempcpy): Rename to...
215 (fold_builtin_memory_op): ... this. Optimize one element copy
217 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
219 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
220 (expand_builtin_memcpy, expand_builtin_mempcpy,
221 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
222 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
223 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
224 BUILT_IN_MEM{CPY,PCPY,MOVE}.
226 2006-09-01 DJ Delorie <dj@redhat.com>
228 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
230 ("stzx_24_<mode>"): Likewise.
231 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
232 ("cmp<mode>_op"): New.
233 (cmp<mode>): Change to expander; just save operands.
235 (b<code>): Change to expander, emit compare here.
236 (s<code>_op): Change to use split and expander.
237 (s<code>_24_op): Likewise.
238 (s<code>_<mode>): New.
239 (s<code>_<mode>_24): New.
240 (movqicc_<code>_<mode): New.
241 (movhicc_<code>_<mode>): New.
244 * config/m32c/m32c.c (compare_op0, compare_op1): New.
245 (m32c_pend_compare): New.
246 (m32c_unpend_compare): New.
247 (m32c_expand_scc): New.
248 (m32c_expand_movcc): Emit the compare also.
249 * config/m32c/predicates.md (mra_nopp_operand): New.
251 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
252 Richard Guenther <rguenther@suse.de>
253 Adam Nemet <anemet@caviumnetworks.com>
256 * builtins.c (get_pointer_alignment): Handle more forms
257 of base addresses that can be used to derive more precise
258 information about alignment.
260 2006-09-01 Jason Merrill <jason@redhat.com>
263 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
266 * gimplify.c (voidify_wrapper_expr): Handle null type.
268 2006-09-01 Josh Conner <jconner@apple.com>
271 * tree-nrv.c (dest_safe_for_nrv_p): New function.
272 (execute_return_slot_opt): Use it.
274 2006-08-31 Josh Conner <jconner@apple.com>
277 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
278 returning aggregates.
280 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
282 PR tree-optimization/28839
283 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
284 blocks in that phi arguments appear.
286 2006-08-31 Roger Sayle <roger@eyesopen.com>
289 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
290 NULL, otherwise use an advance_loc4 to adjust relative to the
292 (output_cfi) <DW_CFA_set_loc>: Update the current label.
293 (dwarf2out_switch_text_section): Reset the current label to avoid
294 using advance_loc4 over section boundaries.
296 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
299 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
300 r12 + SYMBOLIC_CONST.
302 2006-08-30 Richard Guenther <rguenther@suse.de>
304 * Makefile.in (see.o): Add $(EXPR_H) dependency.
306 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
308 PR rtl-optimization/27735
309 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
310 Add new argument to keep track of whether an irreducible region
311 was affected. All callers changed.
312 (fix_irreducible_loops): Removed.
313 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
314 flags were invalidated.
316 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
318 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
319 instead of SF operands.
320 (*fop_df_comm_sse): Likewise.
321 (*fop_df_comm_i387): Likewise.
322 (*fop_df_1_mixed): Likewise.
323 (*fop_df_1_sse): Likewise.
325 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
326 J"orn Rennecke <joern.rennecke@st.com>
328 PR tree-optimization/17506
329 * tree-ssa.c (warn_uninit): If warning about a location outside of
330 the current function, note where the variable was declared.
332 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
334 PR tree-optimization/28411
335 * double-int.c (double_int_div): Use double_int_divmod.
336 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
337 double_int_mod, double_int_smod, double_int_umod): New functions.
338 * double-int.h (double_int_divmod, double_int_sdivmod,
339 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
341 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
343 (get_computation_aff, get_computation_cost_at): Handle double_int
344 return type of constant_multiple_of.
346 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
349 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
350 an implicit conversion.
352 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
354 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
356 2006-08-27 Roger Sayle <roger@eyesopen.com>
358 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
361 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
363 * config/i386/crtfastmath.c: Fix a comment typo.
365 2006-08-26 Roger Sayle <roger@eyesopen.com>
367 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
368 temporary visit flags on CASE_LABEL_EXPRs.
369 * c-common.c (match_case_to_enum): Add function comment. Avoid
370 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
371 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
372 CASE_HIGH_SEEN for enumerated types. If the switch expression is
373 a constant, only warn if that constant value isn't handled.
375 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
378 * input.h (restore_input_file_stack): Declare.
379 (INPUT_FILE_STACK_BITS): Define.
380 * toplev.c (fs_p, input_file_stack_history,
381 input_file_stack_restored, restore_input_file_stack): New.
382 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
383 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
384 (pop_srcloc): Don't free old state of stack.
386 2006-08-26 David Edelsohn <edelsohn@gnu.org>
389 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
390 (PowerPC Type Attributes): New.
392 2006-08-26 Bob Wilson <bob.wilson@acm.org>
394 * config/xtensa/xtensa.c (function_arg_boundary): New.
395 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
397 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
398 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
400 2006-08-26 Jakub Jelinek <jakub@redhat.com>
403 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
406 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
408 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
409 (verify_local_live_at_start): Likewise.
411 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
414 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
415 omp_add_variable): Treat sizes as variable whenever not
418 2006-08-26 Richard Guenther <rguenther@suse.de>
421 * fold-const.c (fold_binary): Fold temporary to correct
422 type before constructing new comparison.
424 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
427 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
428 variable again if DECL_SEEN_IN_BIND_EXPR_P.
430 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
433 * c-decl.c (start_function): Don't try to process prototype
434 information from old declaration that isn't a function.
436 2006-08-25 Jan Hubicka <jh@suse.cz>
439 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
441 2006-08-25 Alan Modra <amodra@bigpond.net.au>
444 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
447 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
449 PR tree-optimization/16876
450 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
451 exit if PARM doesn't match VALUE.
453 2006-08-25 Bob Wilson <bob.wilson@acm.org>
455 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
456 literal_prefix directive.
457 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
458 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
459 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
461 2006-08-25 David Edelsohn <edelsohn@gnu.org>
464 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
465 predicate to general_operand. Add 0->y and I->r alternatives.
467 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
469 * doc/tm.texi: Fix a typo.
470 * predict.c: Fix comment typos.
472 2006-08-25 Nick Clifton <nickc@redhat.com>
474 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
475 assertions of "cpu" and "machine".
477 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
480 * tree-ssa-operands.c (access_can_touch_variable): Don't say
481 the access through a base which has an alias set of 0 cannot
484 2006-08-24 Bill Wendling <wendling@apple.com>
486 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
488 2006-08-24 Jan Hubicka <jh@suse.cz>
490 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
492 2006-08-24 Jan Hubicka <jh@suse.cz>
495 * cgraph.c: Fix comments.
496 (cgraph_varpool_mark_needed_node): Mark only variables not already
498 * cgraphunit.c: Update comments; include gt-cgraphunit.h
499 (cgraph_varpool_assembled_nodes_queue): New static variable.
500 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
501 (cgraph_varpool_output_debug_info): New function.
502 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
503 * Makefile.in: Add gt-cgraphunit.h
505 2006-08-24 Jan Hubicka <jh@suse.cz>
507 * predict.c (probability_reliable_p): New predicate.
508 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
509 (predict_loops): Do not predict loop exit with less than 2%
511 * basic-block.h (edge_probability_reliable_p,
512 br_prob_note_reliable_p): Declare.
513 * ia64.h (ia64_print_operand): Do not disable on-chip branch
514 prediction when static predictor is not reliable.
515 * rs6000.c (output_cbranch): Likewise.
517 2006-08-23 Stuart Hastings <stuart@apple.com>
520 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
521 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
523 2006-08-21 Geoffrey Keating <geoffk@apple.com>
526 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
527 complex values, nor for generic vector values.
529 2006-08-22 Richard Guenther <rguenther@suse.de>
532 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
533 parameter. Convert arguments to arithmetic expression to the
535 (analyze_scalar_evolution_1): Adjust caller.
537 2006-08-22 Jan Hubicka <jh@suse.cz>
539 Patch by Paolo Bonzini
540 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
543 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
545 PR tree-optimization/28003
546 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
547 before grouping aliases.
549 2006-08-22 Roger Sayle <roger@eyesopen.com>
551 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
552 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
554 2006-08-21 Jason Merrill <jason@redhat.com>
557 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
558 wrapper. Loop to handle nested wrappers.
559 (gimplify_bind_expr): Remove temp parameter.
560 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
561 and STATEMENT_LIST on the rhs.
562 (gimplify_statement_list): Voidify the STATEMENT_LIST.
563 (gimplify_expr): Pass pre_p to gimplify_statement_list.
564 (gimplify_target_expr): Remove special BIND_EXPR handling.
566 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
568 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
571 2006-08-21 Olivier Hainque <hainque@adacore.com>
573 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
574 Arrange for the temporary captures of components overlapping the lhs
575 to happen before the lhs is possibly cleared.
577 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
579 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
580 necessary places to pass the correct "number of registers" values
583 2006-08-20 Jan Hubicka <jh@suse.cz>
585 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
586 (create_name_tags): Instead of quadratic checking use hashtable.
587 * bitmap.h: Include hashtab.h.
588 (bitmap_hash): Declare.
589 * bitmap.c (bitmap_hash): New function.
591 2006-08-20 Jan Hubicka <jh@suse.cz>
593 PR rtl-optimization/28071
594 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
596 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
597 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
598 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
599 cgraph_decide_inlining_incrementally): Update use of
600 cgraph_check_inline_limits.
601 * cgraph.c (edge_hash, edge_eq): New function.
602 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
603 cgraph_edge_remove_caller, cgraph_node_remove_callees,
604 cgraph_remove_node): Maintain call site hash.
605 * cgraph.h (struct cgraph_node): Add call_site_hash.
606 (cgraph_set_call_stmt): New function.
608 2006-08-20 Jan Hubicka <jh@suse.cz>
610 PR rtl-optimization/28071
611 * reload1.c (reg_has_output_reload): Turn into regset.
612 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
613 choose_reload_regs, emit_reload_insns): Update to new
614 reg_has_output_reload.
616 2006-08-20 Jan Hubicka <jh@suse.cz>
619 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
621 * cgraphunit.c (cgraph_analyze_function): Don't do so.
623 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
626 * tree.c (handle_dll_attribute): Return early if not a
627 var or function decl.
629 2006-08-18 Joseph Myers <joseph@codesourcery.com>
632 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
633 alignment of SPE vector types.
635 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
637 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
639 2006-08-17 Jakub Jelinek <jakub@redhat.com>
642 * cgraph.h (struct cgraph_node): Remove externally_visible
644 * cgraphunit.c (process_function_and_variable_attributes): Set
645 local.externally_visible rather than externally_visible.
648 * c-common.c (handle_externally_visible_attribute): First look
649 at TREE_CODE and only if it is function or var decl, check for
650 non-public objects. Don't warn for DECL_EXTERNAL.
651 * cgraphunit.c (process_function_and_variable_attributes): Warn
652 if externally_visible attribute is used on non-public object.
654 2006-08-17 Jan Hubicka <jh@suse.cz>
656 PR tree-optimization/27865
657 * reload1.c (forget_marked_reloads): New function.
658 (forget_old_reloads_1): When data are passed, just mark the registers
660 (reload_as_needed): Use the new mechanizm.
662 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
665 * reload.h (reg_equiv_alt_mem_list): New declaration.
666 * reload1.c (reg_equiv_alt_mem_list): New definition.
667 (reload): Initialize it and release it.
668 (delete_output_reload): Use it.
669 * reload.c (push_reg_equiv_alt_mem): New function.
670 (find_reloads_toplev): Call it.
671 (find_reloads_address, find_reloads_address_1): Likewise.
672 (find_reloads_subreg_address): Likewise.
674 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
676 PR rtl-optimization/28489
677 * sched-ebb.c (begin_schedule_ready): Create basic block
679 (advance_target_bb): Skip empty blocks.
680 * haifa-sched.c (bb_note): Make global.
681 * sched-int.h (bb_note): Add prototype.
683 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
685 PR tree-optimization/27865
686 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
688 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
689 fold_used_pointer, pointer_used_p): New functions.
690 (analyze_scalar_evolution_1): Use fold_used_pointer.
691 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
692 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
695 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
698 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
699 or the INTEGER_CST. Fail on a CALL_EXPR.
700 (fold_offsetof): Pass new argument to fold_offsetof_1.
701 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
702 operand into an INDIRECT_REF.
703 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
705 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
707 PR gcov/profile/26570
708 * value-prof.c (static_values): Removed.
709 (tree_find_values_to_profile): Do not set static_values.
710 (find_values_to_profile): Do not free static_values.
711 * profile.c (instrument_values): Do not free the values.
712 (branch_prob): Free the values.
714 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
716 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
718 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
721 * c-typeck.c (build_component_ref): Combine qualifiers of
722 structure or union and field.
724 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
726 PR rtl-optimization/28071
727 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
728 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
729 * tree-into-ssa.c (struct dom_dfsnum): New.
730 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
732 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
733 compute_global_livein.
734 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
735 in phi nodes in the correct blocks.
737 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
739 PR tree-optimization/28364
740 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
742 (fold_affine_expr): New function.
743 (may_eliminate_iv): Use fold_affine_expr.
745 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
748 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
751 2006-08-16 Mike Stump <mrs@apple.com>
753 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
754 * doc/cppopts.texi (-MD): Likewise.
756 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
759 * c-common.c (handle_weak_attribute): Ignore and warn if
760 not a FUNCTION_ or VAR_DECL.
762 2006-07-15 Mike Stump <mrs@apple.com>
765 * c-parser.c (c_parser_typeof_specifier): Don't use
766 c_finish_expr_stmt, open code desired semantics instead.
768 2006-08-15 Nick Clifton <nickc@redhat.com>
770 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
771 fragment to tmake_file only if threads are enabled.
772 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
773 * config/i386/t-gthr-win32: New file. ... here.
775 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
778 * c-parser.c (c_parser_compound_statement_nostart): Reset
779 parser->error after each statement.
781 2006-08-15 Jakub Jelinek <jakub@redhat.com>
784 * omp-low.c (lower_omp_parallel): Convert t to
785 receiver_decl's type.
786 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
787 source before comparison.
790 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
791 to itype in assignment to oldival2.
793 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
797 * c-typeck.c (build_compound_expr): If the second expression
798 is an error mark, then just return an error mark instead of
799 creating a COMPOUND_EXPR.
801 2006-07-14 Mike Stump <mrs@apple.com>
803 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
805 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
807 * c-decl.c, var-tracking.c: Fix comment typos.
809 2006-08-14 Richard Sandiford <richard@codesourcery.com>
811 PR rtl-optimization/28634
812 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
813 for floating-point modes unless flag_unsafe_math_optimizations.
815 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
816 Andrew Pinski <pinskia@physics.uc.edu>
819 * tree.c (build_array_type): Unify array types with
820 unspecified index_type.
821 * c-decl.c (grokdeclarator): Make sure we do not modify a
822 unified incomplete array type.
823 * c-typeck.c (store_init_value): Create distinct type before
824 filling in the index type in an initializer from a compound
827 * c-decl.c (grokdeclarator): Remove code where we copy the
830 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
832 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
833 into account for TODO_dump_cgraph.
834 (TODO_update_ssa_no_phi): Likewise.
835 (TODO_update_ssa_full_phi): Likewise.
836 (TODO_update_ssa_only_virtuals): Likewise.
837 (TODO_remove_unused_locals): Likewise.
838 (TODO_set_props): Likewise.
839 (TODO_update_stmt_usage): Likewise.
841 2006-08-13 Dirk Mueller <dmueller@suse.de>
843 * c-common.c (strict_aliasing_warning): Fix formatting.
845 2006-08-13 Matthias Klose <doko@debian.org>
847 * doc/invoke.texi: Fix spelling errors.
849 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
851 PR rtl-optimization/23454
852 * reorg.c (relax_delay_slots): Update comment.
854 2006-08-11 Richard Guenther <rguenther@suse.de>
857 * simplify-rtx.c (simplify_const_relational_operation):
858 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
861 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
863 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
864 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
866 2006-08-10 Paul Brook <paul@codesourcery.com>
868 * final.c (final_scan_insn): Clear current_insn_predicate before
869 outputting inline asm.
871 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
873 PR tree-optimization/26197
874 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
875 get_ref_base_and_extent and overlap_subvar to add only relevant
876 subvars as may-aliases.
877 (add_may_alias_for_new_tag): New function, factored out of
879 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
880 with additional argument.
881 * tree-flow.h (new_type_alias): Takes additional argument.
883 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
885 * gcov.c (no_data_file): New flag.
886 (read_count_file): Set it if data file not present. Assume counts
888 (output_lines): Don't name the data file, if there wasn't one.
890 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
892 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
893 (rs6000_generate_compare): Tweak comments.
894 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
896 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
898 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
899 (var_debug_decl): New function.
900 (var_reg_set): Follow debug decl link. Add location even if
901 reg is already known to hold some other variable.
902 (var_mem_set): Follow debug decl link.
903 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
904 decl link. Delete other known locations of the variable part
906 (var_reg_delete, var_mem_delete): Delete other known locations
907 of the variable part if requested.
908 (same_variable_part_p): New function.
909 (add_stores): Select MO_COPY when appropriate.
910 (vt_initialize): Handle it.
911 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
912 known locations for MO_SET and MO_CLOBBER.
913 (find_variable_location_part): New function.
914 (set_variable_part, delete_variable_part): Use it.
915 (clobber_variable_part): New function.
916 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
919 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
921 PR tree-optimization/26969
922 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
923 with an empty list of PHIs.
925 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
929 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
932 2006-08-06 Andreas Schwab <schwab@suse.de>
934 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
935 string. Whitespace and comment fixup.
937 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
940 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
944 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
947 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
949 2006-08-04 Jan Hubicka <jh@suse.cz>
953 * reload.c (push_reload): Patch out the mismatching instruction;
955 (find_reload): Bail out if the instruction was patched out.
957 2006-08-04 Jan Hubicka <jh@suse.cz>
959 PR tree-optimization/24888
960 * tree-inline.c (expand_call_inline): Do not re-record variables.
961 (declare_inline_vars): Add variable to unexpanded_var_list.
963 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
964 Roger Sayle <roger@eyesopen.com>
966 PR rtl-optimization/26244
967 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
968 inner_const are negative or greater than or equal to the bitsize of
969 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
970 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
971 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
972 CONST0_RTX (mode) when the new shift count is greater than or equal to
973 to the bitsize of the object being shifted and XEXP (y, 0) has no side
976 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
978 * tree-cfg.c: Fix a comment typo.
980 2006-08-03 Mark Mitchell <mark@codesourcery.com>
983 * varasm.c (output_constant): Give the front end another chance to
984 expand constants, after stripping NOPs.
986 2006-08-03 Jan Hubicka <jh@suse.cz>
988 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
991 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
993 PR tree-optimization/27770
994 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
995 declaration removed (moved to tree-flow.h).
996 (vect_can_force_dr_alignment_p): Likewise.
997 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
998 (moved from tree-vectorizer.h).
999 (vect_can_force_dr_alignment_p): Likewise.
1000 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1001 from outside the vectorizer - in particular from cgraph stage.
1002 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1003 the alignment of global arrays when -fsection-anchors is enabled.
1004 * cgraphunit.c (cgraph_increase_alignment): New function.
1005 (cgraph_optimize): Call cgraph_increase_alignment.
1007 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1010 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1011 not reload a SPE symbol_ref into a lo_sum address.
1013 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1016 * dwarf2out.c (prune_unused_types_prune): Move call to
1017 prune_unused_types_update_strings to cover the parent DIE also.
1019 2006-08-02 Jan Hubicka <jh@suse.cz>
1021 PR gcov/profile/28480
1022 * tree-cfg.c (change_bb_for_stmt): New function.
1023 (tree_merge_blocks, tree_split_blocks): Use it.
1025 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1031 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1032 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1033 (cgraph_optimize): Likewise.
1035 2006-08-01 Stuart Hastings <stuart@apple.com>
1037 * rtl.h (UINTVAL) New.
1038 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1039 * testsuite/gcc.dg/20060801-1.c: New.
1041 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1044 * c-typeck.c (build_external_type): Mark used enum types.
1045 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1047 (gen_subprogram_die): Whitespace fix.
1049 2006-08-01 Jan Hubicka <jh@suse.cz>
1051 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1052 bitmap when not needed.
1053 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1056 2006-08-01 Dirk Mueller <dmueller@suse.de>
1058 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1060 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1062 * Makefile.in: Revert part of previous patch:
1063 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1066 2006-07-30 Eric Christopher <echristo@apple.com>
1069 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1070 (PowerPC Variable Attributes): New section.
1072 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1074 PR target/28126 (partial fix)
1075 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1077 2006-07-28 Jan Hubicka <jh@suse.cz>
1079 PR rtl-optimization/28071
1080 * cfgrtl.c (rtl_delete_block): Free regsets.
1081 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1083 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1085 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1086 and variables used in dependencies.
1088 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1090 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1091 %fs for -mcmodel=kernel.
1092 (stack_tls_protect_test_di): Likewise.
1094 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1096 * Makefile.in: Use mkinstalldirs.
1098 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1101 * opts-common.c (prune_options): Skip joined switches.
1103 2006-07-27 Jan Hubicka <jh@suse.cz>
1105 PR rtl-optimization/28071
1106 * cselib.c (cselib_process_insn): Don't remove useless values too
1107 often for very large hashtables.
1109 2006-07-27 Jan Hubicka <jh@suse.cz>
1111 PR rtl-optimization/28071
1112 * global.c (greg_obstack): New obstack.
1113 (allocate_bb_info): Use it.
1114 (free_bb_info): Likewise.
1115 (modify_reg_pav): Likewise.
1117 2006-07-27 Roger Sayle <roger@eyesopen.com>
1119 * builtins.c (fold_fixed_mathfn): When long and long long are the
1120 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1121 functions to their lceil*, lfloor*, lround* and lrint* forms.
1123 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1126 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1128 (rev_branch_insn): Likewise.
1130 2006-07-27 Jan Hubicka <jh@suse.cz>
1132 PR rtl-optimization/28071
1133 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1134 (reg_set_in_bb, max_reg_computed): New static variables.
1135 (regmove_optimize): Free the new array.
1136 (fixup_match_1): Update call of reg_is_remote_constant_p.
1138 2006-07-26 Jan Hubicka <jh@suse.cz>
1140 PR tree-optimization/27882
1141 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1143 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1145 (cgraph_analyze_compilation_unit): Likewise.
1146 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1147 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1148 (cgraph_early_inlinine): Make order garbage collected.
1149 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1151 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1153 * dbxout.c (output_types_sort): Add a comment.
1154 (output_used_types): Free the VEC.
1156 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1158 * function.c (reorder_fix_fragments): Delete.
1159 (reorder_blocks): Don't call it.
1160 (reorder_blocks_1): Put all subblocks under the origin block.
1162 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1164 PR rtl-optimization/27907
1165 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1168 2006-07-25 Roger Sayle <roger@eyesopen.com>
1171 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1172 bar(x) check that bar's result type can represent all the values of T.
1174 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1176 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1178 2006-07-25 Nick Clifton <nickc@redhat.com>
1180 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1181 size_lookup[] array.
1182 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1183 (ggc_pch_count_object): Likewise.
1184 (ggc_pch_alloc_object): Likewise.
1185 (ggc_pch_write_object): Likewise.
1186 (init_ggc): Do not attempt to initialize entries in the
1187 size_lookup[] array for objects whose size is greater than than
1188 the length of the array.
1190 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1192 * dbxout.c (output_used_types_helper): Push queued types
1194 (output_types_sort): New.
1195 (output_used_types): Collect used types on a VEC and sort them
1198 2006-07-24 Richard Guenther <rguenther@suse.de>
1201 * cgraph.c (cgraph_remove_node): Do not check if dumps
1203 * cgraphunit.c (cgraph_optimize): Likewise.
1205 2006-07-24 Jan Hubicka <jh@suse.cz>
1207 PR rtl-optimization/28071
1208 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1209 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1210 splitting before first stmt.
1212 2006-07-24 Jan Hubicka <jh@suse.cz>
1214 PR rtl-optimization/28071
1215 * ipa-inline.c (update_caller_keys): Remove edges that
1216 are no longer inline candidates.
1218 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1221 * dbxout.c (output_used_types_helper, output_used_types): New.
1222 (dbxout_symbol): Call output_used_types.
1224 2006-07-23 Jan Hubicka <jh@suse.cz>
1228 * cgraph.c (cgraph_varpool_nodes): Export.
1229 (decide_is_variable_needed): Ignored "used" attribute in
1230 unit-at-a-time mode.
1231 * cgraph.h (cgraph_varpool_nodes): Declare.
1232 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1233 unit-at-a-time mode.
1235 2006-07-23 Roger Sayle <roger@eyesopen.com>
1238 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1239 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1240 the __gthrw form of thr_keycreate.
1241 (__gthread_key_delete): Silence the unused argument warning.
1243 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1246 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1247 Cache the last found '\0' marker to avoid quadratic behavior.
1249 2006-07-23 Jan Hubicka <jh@suse.cz>
1251 * i386.md (subsi_3_zext): Fix output template.
1253 2006-07-21 Mike Stump <mrs@apple.com>
1255 * doc/invoke.texi (C++ Dialect Options): Note that
1256 -fvisibility-inlines-hidden doesn't affect explicitly
1257 instantiationed inline methods.
1259 2006-07-20 Roger Sayle <roger@eyesopen.com>
1261 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1262 if the target assembler is GNU binutils' gas.
1263 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1264 whether to pass GNU gas or native as command line options.
1266 2006-07-20 Jason Merrill <jason@redhat.com>
1268 * tree.c (remove_attribute): New fn.
1269 * tree.h: Declare it.
1271 2006-07-20 Paul Brook <paul@codesourcery.com>
1274 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1275 they are invalidated by this instruction.
1277 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1280 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1282 2006-07-20 Eric Christopher <echristo@apple.com>
1285 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1287 2006-07-19 Eric Christopher <echristo@apple.com>
1289 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1290 Rewrite dependencies for libgcc_s.1.dylib.
1292 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1294 * except.c (duplicate_eh_regions_1): Clear next_peer.
1296 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1298 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1299 -mlongcall does not guarantee all calls will be long.
1300 * doc/extend.texi (long_call/short_call): Document that longcall
1301 does not guarantee a long call will be used.
1302 (longcall/shortcall): Likewise.
1304 2006-07-18 Roger Sayle <roger@eyesopen.com>
1307 * expmed.c (expand_shift): Additionally check that the shift_cost
1308 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1309 before implementing a LSHIFT_EXPR as a sequence of additions.
1310 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1311 middle-end that DImode shifts need to be synthesized by expand.
1313 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1316 * tree-ssa-operands.c (access_can_touch_variable): Update
1318 Return true if ALIAS is .GLOBAL_VAR.
1320 2006-07-18 David Daney <ddaney@avtrex.com>
1322 * gcc.c (display_help): Fix typo in help text.
1324 2006-07-18 Olivier Hainque <hainque@adacore.com>
1326 * tree.h (categorize_ctor_elements): Adjust prototype and add
1327 descriptive comment, both in accordance with the interface change
1329 * varasm.c (constructor_static_from_elts_p): New function.
1330 Whether a constructor node is a valid static constant initializer
1331 if all its elements are.
1332 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1333 * output.h: Declare it.
1334 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1335 is a valid constant initializer instead of computing the number of
1336 non-constant elements. Use constructor_static_from_elts_p for this
1337 purpose. Replace the head comment with an indication that this is a
1338 helper for categorize_ctor_elements.
1339 (categorize_ctor_elements): Same interface change as for the _1
1340 helper. Former head comment from this helper moved here, adjusted to
1341 account for the interface changes.
1342 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1343 (all_zeros_p): Likewise.
1344 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1345 static versions of the constructor from the categorize_ctor_elements
1346 return value instead of the formerly computed number of non-constant
1349 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1351 * configure: Regenerate.
1352 * Makefile.in (build_libsubdir): New configure substitution
1353 (build_libobjdir): New variable.
1354 (BUILD_LIBIBERTY): Use it.
1356 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1359 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1361 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1364 * c-common.c (handle_weakref_attribute): Ignore attribute in
1365 the same conditions the alias attribute is ignored.
1367 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1369 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1370 (dbxout_begin_prologue): Increment scope_labelno.
1372 2006-07-17 Richard Henderson <rth@redhat.com>
1375 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1378 2006-07-17 Roger Sayle <roger@eyesopen.com>
1379 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1381 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1382 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1383 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1384 functions such as sbrk, write, etc.. Add function prototypes.
1385 Convert function declarations from K&R to ISO C. Cast pointers
1386 to "long" and "unsigned long" instead of "int" and "unsigned int".
1387 Convert tokens following #endif into comments.
1389 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1391 * invoke.texi: Remove mention of f77; Reformat table for
1392 inline parameter options correctly; mention that -malign-double
1393 is default on x86-64 targets.
1395 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1397 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1398 (convert_affine_scev, chrec_convert_aggressive): Use
1399 avoid_arithmetics_in_type_p. Do not check for the subtypes
1402 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1405 * optabs.c (expand_doubleword_shift): Wrap the call to
1406 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1408 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1411 * optabs.c (expand_binop): Pass next_methods rather than methods
1412 to expand_doubleword_shift.
1414 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1417 * tree.h (dump_addr): Declare.
1418 * print-tree.c (dump_addr): New function.
1419 (print_node_brief, print_node): Use it.
1420 * print-rtl.c (print_rtx): Likewise.
1421 * common.opt (-fdump-noaddr): New option.
1422 * doc/invoke.texi (-fdump-noaddr): Document.
1423 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1424 (ve_info_hash): Likewise.
1426 2006-07-13 Andrew Haley <aph@redhat.com>
1428 PR tree-optimization/19505
1429 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1430 edge leaving this block, make sure that the destination of this
1431 block has only one predecessor.
1433 2006-07-17 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/28238
1436 * tree-inline.c (copy_bb): Check if we produced valid
1437 gimple copying and substituting a stmt. If not, gimplify
1440 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1442 * optabs.c (maybe_encapsulate_block): New function extracted from...
1443 (emit_libcall_block): ...here. Invoke it on the block of insns to
1444 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1445 (emit_no_conflict_block): Likewise.
1447 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1449 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1451 2006-07-15 Roger Sayle <roger@eyesopen.com>
1453 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1454 a new NOP_EXPR case of the switch statement.
1456 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1459 * stor-layout.c (place_field): Take the bit field with
1460 an excessive size into account in the ms-bitfiled case.
1463 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1464 the previous bit field.
1466 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1469 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1471 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1473 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1474 signal frames correctly even when the signal was installed with
1477 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1479 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1480 (dbxout_function_end): Use local label LFBB. Remove hook
1482 (dbxout_source_line): Use local label LFBB.
1483 (dbxout_block): Likewise.
1484 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1485 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1486 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1487 and DBX_OUTPUT_NFUN.
1489 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1491 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1493 2006-07-13 Jan Hubicka <jh@suse.cz>
1495 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1497 * output.h (align_variable): Declare.
1498 * varasm.c (align_variable): Export.
1499 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1500 when basic block changed.
1502 2006-07-13 Nick Clifton <nickc@redhat.com>
1504 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1505 walking the LOG_LINKS chain.
1507 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1509 * doc/invoke.texi (C++ Dialect Options): Explain difference
1510 between -fvisibility-inlines-hidden and setting hidden
1511 visibility explicitly.
1513 2006-07-12 Eric Christopher <echristo@apple.com>
1515 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1516 (stmp-lipo): Depend on libgcc.a.
1518 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1520 * tree.c: Fix a comment typo.
1522 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1524 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1526 (umulhisi3_r): Likewise.
1528 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1531 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1532 x < 19, vs wchar_t support.
1534 2006-07-12 Nick Clifton <nickc@redhat.com>
1536 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1537 instead of -isa=sh4.
1539 2006-07-12 Mike Stump <mrs@apple.com>
1541 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1543 2006-07-10 Eric Christopher <echristo@apple.com>
1545 * config/t-slibgcc-darwin: Rewrite.
1547 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1550 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1553 2006-07-08 Matthias Klose <doko@debian.org>
1555 * doc/sourcebuild.texi: Fix typo.
1557 2006-07-07 Mike Stump <mrs@apple.com>
1559 * toplev.c (process_options): Don't give -ffunction-sections may
1560 affect debugging warning for Mach-O.
1562 2006-07-07 James E Wilson <wilson@specifix.com>
1564 * config/mips/mips.md (cpu): Add sb1a.
1565 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1566 addition to sb1. Adjust comments to clarify SB-1A differences from
1568 (ir_sb1a_load): New. Modify bypasses to use it.
1569 (ir_sb1a_simple_alu): Likewise.
1570 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1571 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1572 (mips_issue_rate): Add PROCESSOR_SB1A.
1573 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1574 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1575 (TARGET_SB1): Add PROCESSOR_SB1A check.
1576 (TUNE_SB1): Likewise.
1578 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1579 * config/mips/mips.c (mips_store_data_bypass_p): New.
1580 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1581 store_data_bypass_p.
1583 2006-07-08 Paul Brook <paul@codesourcery.com>
1586 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1588 2006-07-07 Richard Guenther <rguenther@suse.de>
1591 * tree.h (build_one_cst): Declare.
1592 * tree.c (build_one_cst): New function.
1593 * tree-ssa-math-opts.c (get_constant_one): Remove.
1594 (insert_reciprocals): Use build_one_cst.
1595 * fold-const.c (fold_plusminus_mult): Likewise.
1597 2006-07-07 Roger Sayle <roger@eyesopen.com>
1599 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1600 * cfgloopanal.c (dump_graph): Likewise.
1601 * dojump.c (discard_pending_stack_adjust): Likewise.
1602 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1604 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1605 * function.c (finalize_block_changes): Likewise.
1606 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1607 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1608 * rtl.c (dump_rtx_statistics): Likewise.
1609 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1611 * varray.c (dump_varray_statistics): Likewise.
1612 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1613 decode_decimal64, encode_decimal128, decode_decimal128,
1614 decimal_real_to_decimal): Likewise.
1616 2006-07-07 Richard Guenther <rguenther@suse.de>
1618 PR tree-optimization/28187
1619 * tree-vrp.c (vrp_operand_equal_p): New function.
1620 (vrp_bitmap_equal_p): Likewise.
1621 (update_value_range): Use them to compare old and new
1624 2006-07-06 Roger Sayle <roger@eyesopen.com>
1626 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1627 a default case to switch statement to silence compiler warnings.
1629 2006-07-06 Roger Sayle <roger@eyesopen.com>
1632 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1633 the configured assembler supports the x87's ffreep mnemonic.
1634 * configure: Regenerate.
1635 * config.in: Regenerate.
1637 * config/i386/i386.c (output_387_ffreep): New function.
1638 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1639 (output_387_reg_move): Likewise.
1641 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1643 Port to hosts whose 'sort' and 'tail' implementations
1644 treat operands with leading '+' as file names, as POSIX
1645 has required since 2001. However, make sure the code still
1646 works on pre-POSIX hosts.
1647 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1648 which says you should use "tail -c +N" rather than "tail +Nc".
1649 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1651 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1653 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1656 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1659 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1660 PRE_{INC,DEC} of TFmode.
1662 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1663 Alan Modra <amodra@bigpond.net.au>
1666 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1669 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1672 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1673 Remove duplicate gtu.
1675 2006-07-05 Jason Merrill <jason@redhat.com>
1679 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1680 * c-common.c (handle_packed_attribute): So don't copy it here.
1681 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1683 2006-07-05 Mike Stump <mrs@apple.com>
1685 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1687 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1690 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1692 2006-07-05 Richard Guenther <rguenther@suse.de>
1695 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1696 TARGET_SSE2 targets if using SSE math.
1697 (*absdf2_1): Likewise.
1699 2006-07-05 Richard Guenther <rguenther@suse.de>
1701 PR tree-optimization/28162
1702 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1703 make sure to convert the operands to the correct type.
1705 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1707 PR tree-optimization/28218
1709 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1710 to calculate and free the dominator information.
1712 2006-07-04 Peter O'Gorman <peter@pogma.com>
1714 * mklibgcc.in: chmod 644 before ranlib during install.
1716 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1717 J"orn Rennecke <joern.rennecke@st.com>
1719 * configure.ac (.eh_frame data check): Use diff -b.
1721 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1724 * Makefile.in (BUILD_RTL): Add build/vec.o.
1725 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1726 (build/genextract): Delete.
1727 (build/genautomata): Likewise.
1729 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1732 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1733 128-bit IBM long doubles for ABI_V4.
1735 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1737 * tree.c (range_in_array_bounds_p): New predicate.
1738 * tree.h (range_in_array_bounds_p): Declare it.
1739 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1740 return a less conservative answer.
1741 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1742 and flag 'is_group'.
1743 (IS_ELEMENT_FOR_GROUP): New macro.
1744 (FOR_EACH_ACTUAL_CHILD): Likewise.
1745 (next_child_for_group): New helper function.
1746 (can_completely_scalarize_p): Take into account groups.
1747 (sra_hash_tree): Handle RANGE_EXPR.
1748 (sra_elt_eq): Likewise.
1749 (lookup_element): Be prepared for handling groups.
1750 (is_valid_const_index): Delete.
1751 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1752 instead of is_valid_const_index.
1753 <ARRAY_RANGE_REF>: New case.
1754 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1755 is_valid_const_index.
1756 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1757 (scan_dump): Dump info for groups too.
1758 (decide_instantiation_1): Likewise.
1759 (decide_block_copy): Assert that the element is not a group.
1760 Propagate decision to groups.
1761 (generate_one_element_ref): Handle RANGE_EXPR.
1762 (mark_no_warning): Iterate over actual childs.
1763 (generate_copy_inout): Likewise.
1764 (generate_element_copy): Likewise.
1765 (generate_element_zero): Likewise.
1766 (generate_element_init_1): Likewise.
1767 (dump_sra_elt_name): Handle RANGE_EXPR.
1769 2006-07-03 Roger Sayle <roger@eyesopen.com>
1771 PR tree-optimization/26251
1772 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1773 (thread_block): When optimizing for size refuse to thread jumps
1774 that would require duplication of blocks other than redirection
1777 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1779 * configure.ac: Fix thinko in previous check-in.
1780 * configure: Regenerate.
1782 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1785 * configure.ac (for lang...): Simplify nesting of conditionals.
1786 Test subdir_requires for non-enabled languages. Move processing
1787 of lang_opt_files and lang_tree_fiels below that test.
1788 * configure: Regenerate.
1789 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1791 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1793 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1795 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1797 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1800 2006-06-29 Jason Merrill <jason@redhat.com>
1807 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1808 * c-common.c (c_determine_visibility): Handle it here.
1809 * c-decl.c (finish_decl): Call c_determine_visibility for
1811 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1813 * varasm.c (default_assemble_visibility): Likewise.
1814 * c-common.c (handle_visibility_attribute): Complain about trying
1815 to give visibility to an already defined class, or trying to change
1816 declared visibility. Always attach the attribute.
1821 * attribs.c (decl_attributes): Ignore type-in-place attributes
1822 once the type has been defined.
1824 2006-06-29 Roger Sayle <roger@eyesopen.com>
1827 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1828 to indicate the cpplib has issued an error message for us.
1830 2006-06-29 Asher Langton <langton2@llnl.gov>
1833 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1834 insert a label at the end of an function under Mach-O.
1836 2006-06-29 Eric Christopher <echristo@apple.com>
1837 Evan Cheng <evan.cheng@apple.com>
1839 * predicates.md (vector_all_ones_operand): New.
1840 (nonimmediate_or_sse_const_operand): Ditto.
1841 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1842 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1843 (standard_sse_mode_p): Ditto.
1844 (standard_sse_constant_p): Add case for -1 vector.
1845 (ix86_expand_vector_move): Try to use.
1846 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1847 Call standard_sse_constant_opcode.
1848 (*movv4sf_internal): Ditto.
1849 (*movv2df_internal): Ditto.
1851 2006-06-29 Roger Sayle <roger@eyesopen.com>
1853 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1854 of XEXP to extract the operands of a MATCH_CODE rtx.
1856 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1858 * tree.c (tree_size): Do not waste tail padding in
1859 struct tree_string and make the size be the same as
1860 build_string will generate.
1862 2006-06-28 Jason Merrill <jason@redhat.com>
1865 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1866 may_aliases already in the tag's annotations to the bitmap.
1868 2006-06-28 Roger Sayle <roger@eyesopen.com>
1870 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1872 2006-06-28 Roger Sayle <roger@eyesopen.com>
1874 * genpreds.c (generate_switch_p): New function.
1875 (add_mode_tests): Push the new mode test down inside an AND expr
1876 if this allows the switch-suitable MATCH_CODE to be near the root.
1877 (write_match_code_switch): New function to write a MATCH_CODE as
1879 (write_predicate_stmts): New function to write a predicate RTX
1880 expression as a sequence of statements.
1881 (write_one_predicate_function): Use write_predicate_stmts.
1882 (write_tm_constrs_h): Likewise.
1884 2006-06-26 Fred Fish <fnf@specifix.com>
1886 * config/mips/t-sb1: New file.
1887 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1890 2006-06-26 DJ Delorie <dj@redhat.com>
1892 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1894 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1895 Jayant Sonar <jayants@kpitcummins.com>
1896 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1898 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1899 (subsi3, subsi3_1, subsi3_2): New.
1900 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1901 * config/m32c/mov.md (SI mov peephole): New.
1902 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1903 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1905 2006-06-26 Olivier Hainque <hainque@adacore.com>
1907 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1908 a CALL_EXPR target function declaration.
1910 2006-06-26 Richard Guenther <rguenther@suse.de>
1912 * tree.c (build_string): Do not waste tail padding in
1915 2006-06-26 Richard Guenther <rguenther@suse.de>
1917 * ggc-page.c (init_ggc): Add missing element to size_lookup
1921 2006-06-23 Richard Guenther <rguenther@suse.de>
1923 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1924 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1925 alignment requests instead. Add verification code.
1926 Add struct tree_function_decl and struct tree_binfo size to
1927 extra_order_size_table. Add missing element to size_lookup
1930 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1933 * fold-const.c (const_binop): Be prepared for self returning zero.
1934 Simplify code handling complex values.
1936 2006-06-24 Olivier Hainque <hainque@adacore.com>
1938 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1939 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1942 2006-06-24 Olivier Hainque <hainque@adacore.com>
1944 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1945 ARRAY_REF, so have the callback called for the low bound expression.
1947 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1949 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1950 * c-typeck.c (c_common_type): Disallow operations on decimal float
1951 types and other float types.
1952 * convert.c (convert_to_real): Don't ignore conversions involving
1953 decimal float types.
1955 2006-06-23 Olivier Hainque <hainque@adacore.com>
1957 * tree.c (max_int_size_in_bytes): New function, inspired from
1958 code in function.c:assign_temp.
1959 * tree.h (max_int_size_in_bytes): Declare.
1960 * function.c (assign_temp): Use it.
1961 * gimplify.c (create_tmp_var): Relax the assertions on the type
1962 properties, not mandating constant size any more.
1963 (force_constant_size): New static function.
1964 (gimple_add_tmp_var): Use it, forcing variable size to a
1965 constant upper bound if it is not constant on entry.
1967 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1970 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1971 for initialization and setting of one_only flag to ...
1972 (i386_pe_encode_section_info): ...here.
1973 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1974 Recheck that the symbol has not been defined.
1976 2006-06-23 Richard Guenther <rguenther@suse.de>
1978 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1979 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1980 alignment requests instead. Add verification code.
1981 Add struct tree_function_decl and struct tree_binfo size to
1982 extra_order_size_table. Add missing element to size_lookup
1985 2006-06-22 Roger Sayle <roger@eyesopen.com>
1986 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1989 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1990 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1992 2006-06-23 Ben Elliston <bje@au.ibm.com>
1994 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1995 negate dn -- manipulate it directly.
1997 2006-06-22 Roger Sayle <roger@eyesopen.com>
1998 Steven Bosscher <stevenb.gcc@gmail.com>
2001 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2002 generated by gen_move_insn to add REG_LABEL notes if necessary.
2004 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2006 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2007 (leaf_entry): Remove use of MIN_ESA.
2009 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2011 PR rtl-optimization/28121
2012 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2015 2006-06-21 DJ Delorie <dj@redhat.com>
2017 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2019 (mulhisi3_r): Likewise.
2021 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2024 * coverage.c (coverage_counter_alloc): Leave the index type
2026 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2029 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2031 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2032 section from the "Options for Code Generation Conventions".
2034 2006-06-21 Richard Henderson <rth@redhat.com>
2038 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2040 (global_symbolic_operand): Allow weak symbols, even if local_p.
2042 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2044 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2045 (find_interesting_uses_address): Punt if above function returns true.
2047 2006-06-21 Richard Guenther <rguenther@suse.de>
2049 * configure: Regenerated.
2051 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2053 * config/mips/mips.c (function_arg): Where one part of a
2054 complex argument is in registers and the other part in the stack,
2055 return a REG not a PARALLEL.
2057 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2059 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2060 when cross-compiling. Do not substitute libstdcxx_incdir.
2061 * configure: Regenerated.
2063 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2065 * varasm.c (mergeable_string_section): Check for embedded NULs and
2066 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2067 rather than TREE_STRING_LENGTH bytes.
2069 2006-06-21 Richard Guenther <rguenther@suse.de>
2071 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2072 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2075 2006-06-21 Richrad Guenther <rguenther@suse.de>
2077 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2078 Limit iteration over the dominators.
2080 2006-06-20 Roger Sayle <roger@eyesopen.com>
2082 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2083 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2085 2006-06-20 Richard Guenther <rguenther@suse.de>
2086 Michael Matz <matz@suse.de>
2088 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2090 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2091 * et-forest.h (et_free_pools): Prototype new function.
2092 * et-forest.c (et_free_tree_force): Free parent occurrence.
2093 (et_free_pools): New function.
2094 * dominance.c (free_dominance_info): Free et-forest alloc
2097 2006-06-20 Roger Sayle <roger@eyesopen.com>
2099 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2100 integer modes, attempt to directly construct an integer constant.
2102 * fold-const.c (native_encode_vector): Determine the size of each
2103 element from the vector type instead of the first vector element.
2105 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2106 if all of its elements/components are constant.
2107 (build_constructor_from_list): Likewise.
2109 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2111 PR tree-optimization/27331
2112 * tree-data-ref.c (free_data_ref): New function.
2113 (create_data_ref): Fail if the data reference has unknown access
2115 (free_data_refs): Use free_data_ref.
2117 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2120 * tree-inline.c (setup_one_parameter): Strip useless
2121 type conversion before adding it to the IR.
2122 (declare_return_variable): Likewise.
2124 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2127 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2129 2006-06-19 Mike Stump <mrs@apple.com>
2131 * tree.c (variably_modified_type_p): VM arguments don't make the
2134 2006-06-19 Richard Guenther <rguenther@suse.de>
2136 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2137 type conversions after folding.
2139 2006-06-19 Richard Guenther <rguenther@suse.de>
2141 * ggc-page.c (extra_order_size_tab): Add entries with
2142 size of struct function and basic_block.
2143 (size_lookup): Extend to cover sizes up to 511.
2144 (ggc_alloc_stat): Adjust user.
2145 (ggc_pch_count_object): Likewise.
2146 (ggc_pch_alloc_object): Likewise.
2147 (ggc_pch_write_object): Likewise.
2149 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2151 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2152 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2155 2006-06-19 Denis Chertykov <denisc@overta.ru>
2157 * config/avr/libgcc.S : Correct my wrong previous commit.
2159 2006-06-19 Roger Sayle <roger@eyesopen.com>
2162 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2163 have stripped a SUBREG from the shift count, so we may need to
2164 convert_to_mode back to the type's mode before calling make_tree.
2165 Use new_amount instead of amount to avoid expanding a tree twice.
2167 2006-06-19 Richard Guenther <rguenther@suse.de>
2170 * fold-const.c (operand_equal_p): Check if the argument types
2171 have the same precision before stripping NOPs.
2173 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2175 Fix PR tree-optimization/27341
2176 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2178 * tree-complex.c (pass_lower_complex): Update SMT usage.
2180 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2182 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2183 Add a new alternative to the constraint strings. Add move of
2184 operand 1 to 3 to the splitter definition.
2185 ("doloop_si_long"): Second contraint alternative removed.
2187 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2189 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2190 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2192 (AVR_HAVE_MOVW) Define.
2193 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2194 (ASM_SPEC): Add avr25.
2195 (LINK_SPEC): Add avr25.
2196 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2197 (base_arch_s): Add new member 'have_movw_lpmx'.
2198 (avr_arch_types): Init 'have_movw_lpmx'.
2199 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2200 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2201 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2202 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2203 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2205 (avr_file_start): Do not output '.arh' derective.
2206 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2207 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2208 * config/avr/avr.md (mcu_enhanced): Delete.
2209 (mcu_have_movw): Define.
2210 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2211 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2212 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2213 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2214 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2215 attiny861 and at86rf401 devices.
2217 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2219 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2222 2006-06-17 Karl Berry <karl@gnu.org>
2224 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2225 doc/gccint.texi, doc/install.texi (@dircategory): Use
2226 "Software development" instead of "Programming", following
2227 the Free Software Directory.
2229 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2231 * config/i386/i386.c (legitimate_tls_address)
2232 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2233 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2234 (*tls_dynamic_gnu2_combine_64): Likewise.
2236 2006-06-16 Richard Guenther <rguenther@suse.de>
2239 * fold-const.c (negate_expr_p): Do not introduce undefined
2240 overflow in negating INTEGER_CSTs.
2241 (fold_negate_expr): Rename from negate_expr. Revert last
2242 change for folding BIT_NOT_EXPR. Change semantics to
2243 return NULL_TREE for non-simplified negations. Do not
2244 strip type conversions and unify type handling.
2245 (negate_expr): New function, wrap around fold_negate_expr
2246 but ensure building a tree always. Strip type conversions
2247 here, fold to result type.
2248 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2250 2006-06-16 Roger Sayle <roger@eyesopen.com>
2253 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2254 that (would) return their results in stack registers.
2256 2006-06-16 Michael Matz <matz@suse.de>
2257 Richard Guenther <rguenther@suse.de>
2259 * fold-const.c (fold_truthop): Only return new tree node if
2260 we canonicalized something.
2262 2006-06-16 Richard Guenther <rguenther@suse.de>
2264 * function.h (enum function_frequency): Move declaration
2265 out of struct function.
2266 (struct function): Move bool fields and the enum to the bitfield
2267 section. Reorder elements to avoid padding. Remove unused
2268 fields left over from the RTL inliner removal.
2269 * function.c (free_after_compilation): Do not zero removed fields.
2270 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2271 (ipa-type-escape.o): Likewise.
2273 2006-06-16 Richard Guenther <rguenther@suse.de>
2275 * cgraph.h (struct cgraph_local_info): Turn bool elements
2277 (struct cgraph_node): Likewise.
2278 (struct cgraph_varpool_node): Likewise.
2280 2006-06-15 Richard Guenther <rguenther@suse.de>
2282 * fold-const.c (fold_truth_not_expr): Rename from
2283 invert_truthvalue. Give it fold_* semantics to avoid
2285 (invert_truthvalue): New function. Wrapper around
2286 fold_truth_not_expr.
2287 (optimize_minmax_comparison): Avoid creating garbage.
2288 (fold_unary): Use fold_truth_not_expr for folding
2290 (fold_ternary): Replace uses of invert_truthvalue with
2291 fold_truth_not_expr where applicable.
2292 * tree.h (fold_truth_not_expr): Prototype.
2294 2006-06-16 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/27781
2297 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2298 * ipa-pure-const.c (target.h): Include.
2299 (analyze_function): Do not analyze functions that do not
2302 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2305 * tree-dfa.c (referenced_vars_dup_list): Remove.
2306 (find_referenced_vars): Remove assert.
2307 (referenced_var_check_and_insert): Replace dup list with assert.
2308 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2309 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2311 2006-06-15 Richard Guenther <rguenther@suse.de>
2313 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2314 extra unused identifiers if not dumping.
2315 (create_variable_info_for): Likewise.
2317 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2319 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2320 (derive_constant_upper_bound): Derive more precise upper bound in
2321 common cases. Return type changed to double_int.
2322 (record_estimate): Reflect the changed return type of
2323 derive_constant_upper_bound.
2324 * double-int.c (double_int_zext, double_int_sext): Fix.
2326 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2328 * configure.ac (CFLAGS): Get them from the toplevel or from the
2329 configure invocation.
2330 * configure: Regenerate.
2331 * Makefile.in (CFLAGS): Substitute value provided by configure.
2333 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2336 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2337 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2338 rather than calling add_stmt on it.
2339 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2341 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2344 * reload1.c (reload): Remove registers returned by update_eliminables
2345 from used_spill_regs.
2347 2006-06-13 DJ Delorie <dj@redhat.com>
2349 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2351 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2353 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2354 html__strip_dir, html__mkdir_p. Enhance install-html target.
2355 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2356 * configure: Regenerate.
2358 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2360 * fold-const.c (fold_cond_expr_with_comparison): Check for
2361 Objective-C++ as language in deciding COND_EXPR transformation.
2363 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2366 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2367 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2368 * config/sh/lib1funcs.h (SL, SL1): Define.
2369 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2370 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2371 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2372 (OBJS_Os_4_200): New variable.
2373 ($(T)libgcc-Os-4-200.a): Use it.
2374 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2375 when dividing 1 and/or by 0.
2377 2006-06-13 Roger Sayle <roger@eyesopen.com>
2379 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2380 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2381 * configure: Regenerate.
2383 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2385 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2386 for real instruction.
2388 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2391 * haifa-sched.c (check_cfg): Handle special case.
2393 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2396 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2397 Add debug_info parameter. Chain the vars to the BLOCK instead
2398 of the BIND_EXPR if debug info are requested for them.
2399 (pop_gimplify_context): Adjust for above change.
2400 (gimple_add_tmp_var): Likewise.
2401 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2403 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2404 (convert_local_reference): Likewise.
2405 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2406 (finalize_nesting_tree_1): Request that debug info be emitted
2407 for debug_var_chain.
2409 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2411 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2412 for PR target/27863.
2414 2006-06-13 Richard Guenther <rguenther@suse.de>
2417 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2419 2006-06-13 Richard Guenther <rguenther@suse.de>
2421 PR tree-optimization/27830
2422 * tree-inline.c (copy_body_r): For copying the operand
2423 of an ADDR_EXPR make sure to fold &* afterwards.
2425 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2427 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2428 lvalues in the fb_none case with side-effects.
2430 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2432 * tree-flow.h: Remove the prototype for
2433 compute_phi_arg_on_exit.
2434 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2435 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2438 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2440 * builtins.c (expand_builtin_return_addr): Only use
2441 frame_pointer_rtx when count == 0 and we are expanding
2442 __builtin_return_address.
2444 2006-06-12 Fred Fish <fnf@specifix.com>
2446 * config/mips/mips.c (mips_file_start): Create special section
2447 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2449 2006-06-11 Eric Christopher <echristo@apple.com>
2452 * stor-layout.c (place_field): Remove check for
2453 remaining_in_alignment when aligning at the end of a run.
2455 2006-06-11 Eric Christopher <echristo@apple.com>
2458 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2461 2006-06-11 Roger Sayle <roger@eyesopen.com>
2464 Revert incorrect fix for PR target/27158
2465 2006-05-08 Roger Sayle <roger@eyesopen.com>
2466 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2467 of a reg_equiv_constant if the result is a legitimate constant.
2469 2006-06-11 Roger Sayle <roger@eyesopen.com>
2472 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2473 extract a CONST_VECTOR element and interpret it as an integer.
2474 (vspltis_constant): Use const_vector_elt_as_int instead of the
2475 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2476 * config/rs6000/predicates.md (easy_vector_const): Consider
2477 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2479 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2482 * stor-layout.c (update_alignment_for_field): Don't add extra
2483 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2486 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2488 * config/mips/t-rtems: Add EL/EB multilib variants.
2490 2006-06-09 Mike Stump <mrs@apple.com>
2492 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2494 2006-06-09 David Daney <ddaney@avtrex.com>
2496 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2498 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2500 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2502 2006-06-09 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/26998
2505 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2506 of signed types, only TYPE_MIN_VALUE is special, but for both,
2507 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2508 in this case, as is -fwrapv.
2510 2006-06-08 Mike Stump <mrs@apple.com>
2513 * config/darwin.c (darwin_asm_output_anchor): Disable
2514 -fsection-anchors on darwin for now.
2515 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2516 * rs6000/rs6000.c (optimization_options): Likewise.
2518 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2521 * config/i386/i386.c (classify_argument): Skip fields with invalid
2524 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2526 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2527 (cse_insn): Likewise for the stack_pointer_rtx.
2529 2006-06-08 Roger Sayle <roger@eyesopen.com>
2531 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2532 conditions from floating point comparisons.
2534 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2537 * expmed.c (struct alg_hash_entry): Fix type of field T
2538 to match synth_mult argument.
2539 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2541 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2544 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2547 2006-06-08 Richard Guenther <rguenther@suse.de>
2550 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2551 only, if overflow is defined and not trapping.
2552 (negate_expr): Likewise.
2554 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2556 PR tree-optimization/27872
2557 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2558 flag on the new exit edge of the unrolled loop.
2560 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2562 PR rtl-optimization/26449
2563 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2565 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2568 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2569 referenced_variables with matching DECL_UID's.
2570 (find_referenced_vars): Make sure duplicate list is empty to start.
2571 (referenced_var_p): Remove.
2572 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2573 Check if var is in the list, and add if needed. Update the duplicate
2574 list if a different var is in the list with the same DECL_UID.
2575 (add_referenced_var): Call routine to check and insert.
2576 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2577 * tree-flow.h (referenced_vars_dup_list): External declaration.
2579 2006-06-07 Fred Fish <fnf@specifix.com>
2581 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2584 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2587 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2588 the imaginary and real parts of a clobbered register.
2589 Emit insn to set the imaginary part.
2591 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2593 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2594 in lieu of unwind-dw2-fde.c.
2596 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2598 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2600 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2603 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2604 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2605 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2606 V4SImode temporaries and operations instead.
2608 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2610 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2613 2006-06-06 Mike Stump <mrs@apple.com>
2615 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2616 installing during build.
2618 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2620 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2622 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2623 * config/ia64/ia64.c (params.h): New header.
2624 (ia64_optimization_options): New function to adjust parameters.
2625 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2626 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2627 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2629 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2631 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2633 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2636 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2638 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2639 Victor Kaplansky <victork@il.ibm.com>
2641 PR tree-optimization/26360
2642 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2645 2006-06-04 Roger Sayle <roger@eyesopen.com>
2646 Andrew Pinski <pinskia@physics.uc.edu>
2649 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2650 for LABEL_DECL before calling DECL_WEAK.
2653 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2654 LABEL_DECL and PARM_DECL.
2656 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2660 * c-decl.c (grokdeclarator): Disallow variably modified types at
2661 file scope. Avoid marking shared array type of constant size as
2664 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2667 * c-common.c (fold_offsetof_1): Handle static members.
2669 2006-06-04 Eric Christopher <echristo@apple.com>
2671 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2672 (debug_rli): Output value for remaining_in_alignment.
2673 (update_alignment_for_field): Unconditionalize
2674 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2675 extra alignment code.
2676 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2677 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2678 * tree.h (record_layout_info_s): Remove prev_packed.
2679 * doc/extend.texi (ms_struct): Add documentation of format.
2681 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2683 * tree.h: Declare folding_initializer.
2684 * builtins.c (fold_builtin_constant_p): Give definite answer
2685 if folding inside an initializer.
2686 * fold-const.c: Define folding_initializer.
2687 (START_FOLD_INIT): Save and then set folding_initializer.
2688 (END_FOLD_INIT): Restore folding_initializer.
2690 2006-06-04 Richard Guenther <rguenther@suse.de>
2692 PR tree-optimization/27039
2693 * fold-const.c (fold_comparison): Handle pointer comparison
2694 again for all comparison codes. Compare offsets in signed
2696 (fold_binary): Move code from here.
2698 2006-06-03 Roger Sayle <roger@eyesopen.com>
2701 * config/i386/i386.c (construct_container): Split static issued_error
2702 flag into issued_sse_arg_error, issued_sse_ret_error and
2703 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2704 requires the use of x87 registers and the user explicitly
2705 specified the -mno-80387 command line option.
2707 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2709 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2710 HAVE_DECL_SIGALTSTACK.
2712 (segv_handler): Use MC_FLD.
2713 * configure.ac: Check for a sigaltstack declaration.
2714 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2715 * configure: Regenerate.
2716 * config.in: Regenerate.
2718 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2721 * Makefile.in (stmp-fixinc): Fix typo.
2723 2006-06-02 Roger Sayle <roger@eyesopen.com>
2725 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2726 are type correct. Clean-up.
2727 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2728 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2730 2006-06-01 DJ Delorie <dj@redhat.com>
2732 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2733 shift, as we've disabled the "switch" insn that needs it.
2735 2006-06-01 Per Bothner <bothner@bothner.com>
2737 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2738 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2739 * c-ppoutput.c (cb_define): Don't increment line 0.
2741 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2743 * doc/invoke.texi: Add cpu_type power6.
2744 * config.gcc: Add cpu_type power6.
2745 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2746 to power5+ with Altivec.
2747 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2748 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2750 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2752 * config/avr/avr.h (SET_ASM_OP): Define.
2754 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2756 * config/bfin/bfin.c: Fix comment typos.
2758 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2761 * doc/install.texi: Document --enable-bootstrap and
2762 --disable-bootstrap.
2764 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2766 * doc/install.texi: Document that InfoZIP can replace jar.
2768 2006-05-31 Roger Sayle <roger@eyesopen.com>
2770 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2771 isn't available, directly generate the simpler x87 patterns without
2772 the (use (const_int 0)).
2773 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2774 implementation isn't available.
2775 (*negdf2_1): Likewise.
2776 (*negxf2_1): XF mode negation is always done using the x87.
2777 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2779 2006-05-31 Roger Sayle <roger@eyesopen.com>
2781 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2782 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2784 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2786 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2788 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2789 * config/bfin/bfin.c (basic-block.h): Include.
2790 (struct machine_function): New.
2791 (bfin_init_machine_status): New.
2792 (override_options): Initialize init_machine_status.
2793 (bfin_hardware_loop): New.
2794 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2795 (DEF_VEC_P (loop_info)): New.
2796 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2797 (struct loop_info): New.
2798 (loop_info): New typedef.
2799 (struct loop_work): New.
2800 (loop_work): New typedef.
2801 (DEF_VEC_O (loop_work)): New.
2802 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2803 (bfin_dump_loops): New.
2804 (bfin_bb_in_loop): New.
2805 (bfin_scan_loop): New.
2806 (bfin_optimize_loop): New.
2807 (bfin_reorg_loops): New.
2808 (bfin_reorg): Use bfin_reorg_loops.
2809 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2811 (I_REGNO_P): Simplify.
2812 (DP_REGNO_P, DPREG_P): New macros.
2813 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2814 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2815 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2816 Add LT_REGS, LC_REGS, LB_REGS.
2817 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2819 (REGNO_REG_CLASS): Deal with loop registers.
2820 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2822 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2823 New constants for loop registers.
2824 (UNSPEC_LSETUP_END): New.
2825 (seq_insns): New define_attr. Set it for appropriate insns.
2826 (movsi_insn): Add alternatives for move from/to
2827 loop count registers.
2828 (doloop_end): New define_expand.
2829 (loop_end): New define_insn.
2830 (define_split for bad doloop_end): New.
2831 (lsetup_with_autoinit): New define_insn.
2832 (lsetup_without_autoinit): New define_insn.
2833 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2834 * config/bfin/predicates.md (lc_register_operand): New.
2835 (lt_register_operand): New.
2836 (lb_register_operand): New.
2837 (nondp_register_operand): New.
2838 (nondp_reg_or_memory_operand): New.
2839 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2841 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2843 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2844 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2846 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2848 * Makefile.in (CATALOGS): Add po/ prefix.
2849 * configure: Regenerated.
2851 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2854 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2855 a shift operand before calling shift_op. Avoid redundant call of
2858 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2859 DJ Delorie <dj@redhat.com>
2861 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2862 we're inserting is a singlt-bit constant.
2864 2006-05-30 Roger Sayle <roger@eyesopen.com>
2866 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2867 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2869 2006-05-30 Roger Sayle <roger@eyesopen.com>
2871 PR tree-optimization/23452
2872 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2873 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2874 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2875 complex values and with -ffast-math for FP complex values.
2877 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2879 * c-common.h: Remove the prototype for yyparse.
2880 * rtl.h: Remove the prototype for init_loop.
2882 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2884 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2887 2006-05-30 Roger Sayle <roger@eyesopen.com>
2889 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2891 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2892 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2894 2006-05-30 Dirk Mueller <dmueller@suse.de>
2897 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2898 for CONSTANT_CLASS_P expresisons.
2900 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2903 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2905 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2907 PR tree-optimization/27779
2908 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2909 initial_condition instead of CHREC_LEFT.
2911 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2913 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2914 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2915 Make prototypes ISO C90.
2917 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2918 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2920 * see.c (see_analyze_one_def): Correct check.
2921 (see_get_extension_data): Check if extension is parallel.
2922 (see_get_extension_reg): Likewise.
2924 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2927 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2928 into register for (code == GTU).
2930 2006-05-29 Roger Sayle <roger@eyesopen.com>
2932 PR tree-optimization/24964
2933 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2934 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2935 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2936 abs(x)*abs(x) as x*x for scalar floating point modes.
2938 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2941 * lambda-code.c (perfect_nestify): Don't copy statements
2942 in the inner loop: move them to the inner loop header.
2944 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2947 * c-tree.texi: Document OpenMP directives and clauses.
2949 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2951 * varasm.c (globalize_decl): Fix indentation.
2953 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2956 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2957 pass_fre, pass_store_ccp, pass_copy_prop,
2958 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2959 pass_return_slot, pass_object_size, pass_lim,
2960 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2961 pass_loop_prefetch and pass_stdarg.
2963 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2965 * config/bfin/bfin.opt (mfdpic): New option.
2966 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2967 (EXTRA_MULTILIB_PARTS): Likewise.
2968 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2969 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2971 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2972 (CRT_CALL_STATIC_FUNCTION): New.
2973 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2975 (CRT_CALL_STATIC_FUNCTION): New.
2976 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2978 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2979 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2980 (initialize_trampoline): Changed to handle FD-PIC code generation.
2981 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2982 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2983 (override_options): Disallow -mid-shared-library -mfdpic combination.
2984 Can't do unaligned ops if FD-PIC.
2985 Turn off flag_pic if trying to generate non-id-shared-library
2986 non-fdpic code, since it's not supported.
2987 (bfin_assemble_integer): New function.
2988 (TARGET_ASM_INTEGER): Define.
2989 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2991 * config/bfin/crtn.s: Restore them.
2992 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2994 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2995 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2996 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2997 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2998 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3000 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3001 FDPIC_REGS and FDPIC_FPTR_REGS.
3002 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3003 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3004 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3005 (load_funcdescsi): New pattern.
3006 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3007 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3008 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3010 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3012 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3015 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3017 * tree-flow.h: Remove the prototype for add_type_alias.
3018 * tree-ssa-alias.c (add_type_alias): Remove.
3020 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3022 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3023 config/fr30/fr30.md, config/i386/i386-interix.h,
3024 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3025 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3026 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3027 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3028 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3029 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3030 Follow spelling conventions.
3031 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3032 Follow spelling conventions.
3034 2006-05-27 Richard Guenther <rguenther@suse.de>
3037 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3038 to produce a constant of value 1 of generic type.
3040 2006-05-27 Dirk Mueller <dmueller@suse.de>
3042 * cgraphunit.c (decide_is_function_needed): Fix wrong
3045 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3047 PR rtl-optimization/27661
3048 * reload.c (find_reloads): When reloading a VOIDmode constant
3049 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3050 use Pmode as mode of the reload register.
3052 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3054 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3055 is enabled at -O and above.
3057 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3060 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3063 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3066 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3067 for anonymous variables explicitly declared by front ends.
3069 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3071 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3072 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3073 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3074 ref-all pointers, run a finalization pass for them.
3075 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3076 (finalize_ref_all_pointers): New function.
3077 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3078 regular pointer type to a ref-all pointer type.
3079 (get_tmt_for): Return the special memory tag for ref-all pointers.
3081 2006-05-25 Richard Guenther <rguenther@suse.de>
3084 * fold-const.c (fold_binary): Do not look at the stripped
3085 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3087 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3089 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3090 for LT and GT if the computed range is effectively empty.
3092 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3095 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3096 mips_quad_format formats instead of ieee_single_format,
3097 ieee_double_format and ieee_quad_format formats, respectively.
3099 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3101 PR tree-optimization/27639
3102 PR tree-optimization/26719
3103 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3104 call to scev_probably_wraps_p.
3105 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3106 used_in_pointer_arithmetic_p, convert_step): Removed.
3107 (nowrap_type_p): New function.
3108 (scev_probably_wraps_p): Rewritten.
3109 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3110 chrec_convert if chrec_convert_aggressive might have been used.
3111 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3112 scev_direction): New functions.
3113 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3114 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3115 instead of convert_step.
3116 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3117 (convert_step): Declaration removed.
3118 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3120 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3122 * df-core.c: Added to header comments.
3123 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3124 df_ur_bb_info, df_urec_bb_info): Added comments.
3125 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3126 urec, ri problems): Fixed header comments.
3127 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3128 code from df_rd_transfer_function.
3130 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3132 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3133 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3134 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3136 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3138 * expr.c (undefined_operand_subword_p): New.
3139 (emit_move_multi_word): Do not generate move from undefined bits
3140 of a paradoxical subreg.
3142 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3144 PR rtl-optimization/27736
3145 * combine.c (replaced_rhs_value): New variable.
3146 (combine_instructions): Set it.
3147 (distribute_notes): When distributing a note in replaced_rhs_insn,
3148 check whether the value was used in replaced_rhs_value.
3150 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3153 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3154 add_referenced_var instead of add_referenced_tmp_var.
3155 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3156 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3158 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3159 tree_optimize_tail_calls_1): Use add_referenced_var.
3160 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3161 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3162 Use add_referenced_var.
3163 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3164 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3165 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3166 Use add_referenced_var.
3167 * tree-dfa.c (struct walk_state): Remove.
3168 (find_referenced_vars): Remove walk state and vars_found hash table.
3169 (make_rename_temp): Use add_referenced_var.
3170 (find_vars_r): Pass less parameters to add_referenced_var.
3171 (referenced_var_p): New. Is var in referenced_var hash table.
3172 (referenced_var_insert): Assert var isn't already in hash table.
3173 (add_referenced_var): Don't need walk_state parameter. Add var if it
3174 isn't already in the hash table.
3175 (add_referenced_tmp_var): Remove.
3176 (find_new_referenced_vars_1): Use add_referenced_var.
3177 * tree-ssa-pre.c (create_expression_by_pieces,
3178 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3179 Use add_referenced_var.
3180 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3181 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3182 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3184 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3185 vect_create_data_ref_ptr, vect_create_destination_var,
3186 vect_init_vector, vect_build_loop_niters,
3187 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3188 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3189 Use add_referenced_var.
3190 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3191 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3192 (add_referenced_var): Add prototype.
3193 * tree-ssa-structalias.c (get_constraint_for,
3194 intra_create_variable_infos): Use add_referenced_var.
3196 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3198 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3199 big-endian paradoxical subregs.
3200 * var-tracking.c (struct micro_operation_def): Document that,
3201 for modify micro operations, insn is the subsequent instruction.
3202 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3203 (var_reg_set, var_mem_set): ... new functions.
3204 (add_stores): Record subsequent insn.
3205 (compute_bb_dataflow): Use new functions for MO_USE.
3206 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3207 notes after the insn, and modify notes before the insn known
3208 to be the subsequent one.
3209 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3211 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3214 * config/i386/i386.c (ix86_expand_builtin): Use
3215 gen_sse3_monitor64 for TARGET_64BIT.
3217 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3219 PR rtl-optimization/26375
3220 PR rtl-optimization/26855
3221 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3223 (df_ru_bb_local_compute): Reversed statements and removed bogus
3224 comment explaining why they should be in wrong order.
3225 (df_ru_dump, df_rd_dump): Enhanced debug info.
3226 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3228 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3229 reaching uses and fixed space problem.
3231 2006-05-23 Jan Hubicka <jh@suse.cz>
3233 * cgraphunit.c (decide_is_function_needed): Also nested functions
3234 and functions declared inline can be optimized out at -O0.
3236 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3238 * doc/install.texi (Configuration): Remove reference to CrossGCC
3242 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3245 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3246 ix86_compare_emitted is non-NULL.
3248 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3251 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3254 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3256 PR rtl-optimization/25514
3257 * combine.c (replaced_rhs_insn): New variable.
3258 (combine_instructions): Set replaced_rhs_insn when trying to replace
3259 a SET_SRC with a REG_EQUAL note.
3260 (distribute_notes): Use replaced_rhs_insn when determining the live
3261 range of a REG_DEAD register.
3263 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3264 Anatoly Sokolov <aesok@post.ru>
3266 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3267 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3268 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3269 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3270 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3271 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3272 at90usb647, at90usb1286 and at90usb1287 devices.
3273 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3274 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3276 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3278 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3280 2006-05-22 Richard Guenther <rguenther@suse.de>
3283 2006-01-31 Richard Guenther <rguenther@suse.de>
3284 Paolo Bonzini <bonzini@gnu.org>
3286 * doc/install.texi (--disable-libgcc-math): Document.
3288 2006-05-22 Richard Guenther <rguenther@suse.de>
3291 2006-01-31 Richard Guenther <rguenther@suse.de>
3293 * doc/invoke.texi (-msselibm): Document.
3294 * target.h (expand_library_builtin): New target hook.
3295 * builtins.c (expand_builtin): Use expand_library_builtin.
3296 (default_expand_library_builtin): New function.
3297 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3298 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3299 (link_gcc_math_spec): Declare.
3300 (static_specs): Add link_gcc_math_spec.
3301 * expr.h (default_expand_library_builtin): Declare.
3302 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3303 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3304 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3305 * config/i386/i386.opt (msselibm): New target option.
3306 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3307 (ix86_init_sse_abi_builtins): New function.
3308 (ix86_expand_library_builtin): Likewise.
3309 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3310 (override_options): Handle error conditions wrt -msselibm.
3311 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3312 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3313 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3316 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3319 * c-common.c (self_promoting_args_p): Skip erroneous args.
3322 * c-decl.c (finish_struct): Skip erroneous fields.
3324 2006-05-22 Nick Clifton <nickc@redhat.com>
3326 * config/cris/cris.opt (march): Remove VarExists attribute.
3327 (max-stackframe=): Likewise.
3329 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3331 * doc/rtl.texi: Fix a typo.
3332 * see.c: Fix comment typos.
3334 * tree-ssa-structalias.h (alias_info): Remove num_references.
3336 2006-05-21 Mike Stump <mrs@apple.com>
3338 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3340 (darwin_pragma_options): Use BAD instead.
3341 (darwin_pragma_unused): Likewise.
3342 (darwin_pragma_ms_struct): Likewise.
3344 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3346 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3348 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3350 PR rtl-optimization/27671
3351 * simplify-rtx.c (simplify_relational_operation_1): Fix
3352 simplifications of (eq/ne (xor x y) y) and
3353 (eq/ne (xor x y) x).
3355 PR tree-optimization/26622.
3356 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3359 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3361 * tree-cfg.c: Prune whitespace.
3362 (debug_tree_cfg): Point to correct header containing the
3365 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3368 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3370 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3373 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3374 or sorry count is non zero.
3376 2006-05-20 Andreas Schwab <schwab@suse.de>
3378 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3380 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3381 Kenneth Zadeck <zadeck@naturalbridge.com>
3383 PR rtl-optimization/26855
3385 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3387 (df_scan_alloc): Added code to properly handle multiword hard
3388 registers and add all_blocks parameter.
3389 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3390 code to properly handle multiword hard registers.
3391 (df_rescan_blocks): Added code to remove deleted blocks from
3393 (df_ref_create_structure, df_ref_record): Added code to properly
3395 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3396 and set DF_REF_PARTIAL.
3397 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3398 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3399 (df_scan_add_problem): Added flags parameter.
3400 (df_ref_create_structure): Changed switching structure.
3401 (df_bb_refs_record): Fixed case where duplicate artificial refs
3402 were created. Changed location of flags.
3403 (df_record_entry_block_defs): Added code to make stack pointer
3404 live in entry block. Refined cases where frame pointer is needed.
3405 Changed location of flags.
3406 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3407 (df_set_state): Removed function.
3408 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3409 df_insn_create_insn_record, df_insn_refs_delete,
3410 df_ref_create_structure): Formatting changes.
3411 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3412 df_delete_basic_block): New function.
3413 (df_init): Changed location of flags.
3414 (df_add_problem): Added flags parameter and the way flags are
3416 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3417 debug_df_chain): Improved debugging output.
3418 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3419 (df_refs_chain_dump): Removed df parameter.
3420 (df_iterative_dataflow): Added consistency check.
3421 (df_prune_to_subcfg): Made public.
3422 (df_analyze_problem): Added blocks_to_init parameter and made
3424 (df_ref_record, df_bb_refs_record, df_mark_reg,
3425 df_record_exit_block_uses): Whitespace changes.
3426 (df_dump): Whitespace changes.
3427 * df.h: Some reordering to remove forward references.
3428 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3429 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3430 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3431 (dataflow.flags): New field.
3432 (df.flag): Deleted field.
3433 (df_alloc_function): Added additional bitmap parameter.
3434 (df_dependent_problem_function): New type.
3435 (df_problem.changeable_flags): New field.
3436 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3437 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3438 (df_mw_hardreg): New struct.
3439 (DF_INSN_UID_MWS): New macro.
3440 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3442 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3443 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3444 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3445 (df_set_state): Removed function.
3446 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3447 * df-problems.c (df_chain_dump): Removed df parameter.
3448 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3449 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3451 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3452 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3453 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3454 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3455 DF_REF_MUST_CLOBBER cases.
3456 (df_ru_bb_local_compute_process_def,
3457 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3458 df_lr_bb_local_compute, df_ur_bb_local_compute,
3459 df_chain_create_bb): Made subreg aware.
3460 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3461 df_lr_bb_local_compute, df_lr_bb_local_compute,
3462 df_chain_create_bb): Cleanup to use proper macros.
3463 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3464 code to fixup bitvectors.
3465 (df_ri_alloc): Cleared lifetime.
3466 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3467 df_create_unused_note): New function.
3468 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3469 REG_DEAD and REG_UNUSED notes as well as register information.
3470 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3471 df_chains_dump): Fixed crash if problem was never run.
3472 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3473 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3474 df_ri_add_problem): Processes flags in uniform manner.
3475 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3476 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3477 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3478 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3479 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3480 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3481 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3482 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3483 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3484 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3485 * see.c (see_initialize_data): Ditto.
3486 * final.c (rest_of_clean_state) Added regstack_completed.
3487 * rtl.h (regstack_completed): Ditto.
3488 * reg-stack.c (regstack_completed): Ditto.
3490 2006-05-19 Mike Stump <mrs@apple.com>
3492 * c-tree.h (default_conversion): Remove.
3493 * c-common.h (default_conversion): Add.
3495 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3497 * tree-vrp.c (valid_value_p): New function.
3498 (adjust_range_with_scev): Fail if the value of bound is not
3501 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3503 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3504 (mips_fallback_frame_state): Use syscall numbers to determine
3505 the appropriate li instruction for the current ABI. Only use
3506 __NR_sigreturn for o32.
3508 2006-05-19 Nicolas Setton <setton@adacore.com>
3510 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3511 * langhooks.c (lhd_dwarf_name): New function.
3512 * langhooks-def.h (lhd_dwarf_name): Declare.
3513 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3514 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3515 * ada/misc.c (gnat_dwarf_name): New function.
3516 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3518 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3520 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3522 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3523 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3524 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3525 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3526 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3527 determine the size of Wtype, etc.
3528 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3529 (swfloatfuncs): New variable.
3530 (dwfloatfuncs): Likewise.
3531 (lib2funcs): Remove floating-point conversion functions from
3532 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3533 the set of conversion routines needed. Allow entries to specify
3534 an object name, filename and word size. Update users accordingly.
3535 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3536 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3540 2006-02-08 Roger Sayle <roger@eyesopen.com>
3543 * config/fixtfdi.c: New libgcc source file.
3544 * config/fixunstfdi.c: New source file.
3545 * config/floatditf.c: New source file.
3546 * config/floatunditf.c: New souce file.
3547 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3548 files above instead of config/mips/_tilib.c.
3549 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3551 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3553 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3554 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3556 2006-05-18 Mike Stump <mrs@apple.com>
3558 Fix up vla, vm and [*] sematics.
3564 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3565 (c_vla_unspec_p): Add.
3566 (c_vla_type_p): Add.
3567 * c-decl.c (struct c_scope): Add had_vla_unspec.
3568 (build_array_declarator): Add support for [*].
3569 (grokdeclarator): Likewise.
3570 (grokparms): Likewise.
3571 (get_parm_info): Likewise.
3572 * c-objc-common.c (c_vla_unspec_p): Likewise.
3573 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3574 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3575 typeof when argument is a variably modified type not inside sizeof or alignof.
3576 (c_parser_direct_declarator_inner): Propagate errors.
3577 (c_parser_sizeof_expression): Add support for [*].
3578 (c_parser_parms_declarator): Initialize had_vla_unspec.
3579 (c_parser_parms_list_declarator): Likewise.
3580 * c-typeck.c (c_vla_type_p): Add.
3581 (composite_type): Add support for vla compositing.
3582 (comptypes_internal): Add support for vla compatibility.
3583 (c_expr_sizeof_expr): Evaluate vla arguments.
3584 * tree.c (variably_modified_type_p): Update comment for [*].
3586 2006-05-18 Michael Matz <matz@suse.de>
3589 * config.host: Make assignments to host_xmake_file cumulative.
3590 * config.host (*-darwin*): Test $host, not $target.
3592 2006-05-12 Stuart Hastings <stuart@apple.com>
3594 * config/i386/i386.opt (-mstackrealign): New flag.
3595 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3596 (ix86_handle_cconv_attribute): Emit error when
3597 force_align_arg_pointer attribute collides with too many regparms.
3598 (ix86_function_regparm): Limit regparms when used with
3599 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3600 Support stack-realigning prologue in non-main functions. Emit
3601 warning for nested functions under -mstackrealign, emit error for
3602 nested functions with force_align_arg_pointer attribute.
3603 * doc/extend.texi (force_align_arg_pointer): Document it.
3604 * doc/invoke.texi (-mstackrealign): Document it.
3606 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3608 PR rtl-optimization/27477
3609 * combine.c (try_combine): Don't split a parallel consisting
3610 of two sets into two individual sets if both sets reference
3613 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3615 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3616 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3618 * doc/options.texi (VarExists): Updated.
3620 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3622 * unwind-dw2.c: Add declarations for uw_update_context and
3624 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3625 detected, advance frame state and context once to skip over stub.
3627 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3631 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3632 Call rewrite_into_loop_closed_ssa only when something changed.
3633 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3634 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3635 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3636 Test for perfect_nest_p here. Fix formating.
3637 (replace_uses_equiv_to_x_with_y): Fix formating.
3638 (stmt_uses_op): Removed.
3639 (can_convert_to_perfect_nest): Removed loopivs parameter.
3640 Complete the test by checking the scalar dependences.
3641 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3644 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3647 From Dan Kegel <dank@kegel.com>:
3648 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3650 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3652 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3653 if the element type is variably modified without recursing.
3655 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3658 * tree-loop-linear.c (try_interchange_loops): Test for
3659 no data dependences.
3661 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3663 PR tree-optimization/27548
3664 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3665 range of ssa names that appear on abnormal edges.
3666 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3667 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3669 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3672 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3674 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3677 * tree.h (OMP_PARALLEL_COMBINED): Define.
3678 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3679 (new_omp_context): Add is_combined_parallel argument.
3680 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3681 new_omp_context caller.
3682 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3683 Adjust gimplify_scan_omp_clauses callers.
3684 (omp_is_private): Issue errors if iteration variable is firstprivate
3685 or reduction in the current context.
3686 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3687 on combined parallel workshare constructs.
3689 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3691 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3692 (gcc-options.o): New rule.
3694 * optc-gen.awk: Protect variables for gcc-options.o with
3695 #ifdef GCC_DRIVER/#endif.
3697 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3699 Fix PR tree-optimization/27373
3700 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3701 (forward_propagate_addr_expr): Update call.
3703 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3705 * doc/options.texi: Move the Negative option.
3707 2006-05-16 Richard Guenther <rguenther@suse.de>
3709 PR tree-optimization/22303
3710 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3712 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3713 ccp_fold did not simplify the statement.
3715 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3718 * Makefile.in (GCC_OBJS): New.
3719 (OBJS-common): Add opts-common.o.
3720 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3721 (cpp$(exeext)): Likewise.
3722 (gcc.o): Also depend on opts.h.
3723 (opts-common.o): New.
3725 * common.opt (gcoff): Add Negative(gdwarf-2).
3726 (gdwarf-2): Add Negative(gstabs).
3727 (gstabs): Add Negative(gstabs+).
3728 (gstabs+): Add Negative(gvms).
3729 (gvms): Add Negative(gxcoff).
3730 (gxcoff): Add Negative(gxcoff+).
3731 (gxcoff+): Add Negative(gcoff).
3732 * config/i386/i386.opt (m32): Add Negative(m64).
3733 (m64): Add Negative(m32).
3735 * doc/options.texi: Document the Negative option.
3737 * gcc.c: Include "opts.h".
3738 (main): Call prune_options after expandargv.
3740 * optc-gen.awk: Generate common declarations for all flag
3741 variables in options.c. Output the neg_index field.
3743 * opts.c (find_opt): Moved to ...
3744 * opts-common.c: Here. New file.
3746 * opts.h (cl_option): Add a neg_index field.
3748 (prune_options): Likewise.
3750 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3753 * omp-low.c (expand_omp_parallel): Don't assert
3754 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3755 instead search for it.
3758 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3761 2006-05-16 Andreas Schwab <schwab@suse.de>
3763 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3766 2006-05-15 Roger Sayle <roger@eyesopen.com>
3769 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3770 integer constants other than zero are only legitimate on TARGET_64BIT.
3771 <CONST_VECTOR> Only zero vectors are legitimate.
3772 (ix86_cannot_force_const_mem): Integral and vector constants can
3773 always be put in the constant pool.
3775 2006-05-16 DJ Delorie <dj@redhat.com>
3777 * crtstuff.c (__dso_handle): Set section from
3778 TARGET_LBIGCC_SDATA_SECTION if defined.
3779 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3780 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3782 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3785 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3788 2006-05-16 Ben Elliston <bje@au.ibm.com>
3790 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3792 2006-05-15 Per Bothner <per@bothner.com>
3794 * tree.c: (last_annotated_node): Use source_locus typedef.
3795 This permits bootstrapping with --enable-mapped-location.
3797 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3799 PR tree-optimization/26830
3800 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3801 (info_for_ssa_name, current_info_for_ssa_name_age,
3802 blocks_to_update): New variables.
3803 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3804 (clear_ssa_name_info, initialize_flags_in_bb,
3805 mark_block_for_update): New functions.
3806 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3807 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3808 prepare_def_site_for): Use mark_block_for_update.
3809 (mark_def_interesting): Assert that the processed block is marked in
3810 blocks_to_update. Do not take blocks argument.
3811 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3813 (rewrite_update_init_block, rewrite_update_stmt): Only process
3814 blocks with statements to rewrite.
3815 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3816 (update_ssa): Initialize and free blocks_to_update. Do not
3817 clear flags on statements. Do not use blocks bitmap.
3818 * tree.h (SSA_NAME_AUX): Removed.
3819 (struct tree_ssa_name): Removed aux field.
3820 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3822 2006-05-15 Richard Guenther <rguenther@suse.de>
3824 PR tree-optimization/27603
3825 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3826 Do computations in original type.
3828 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3830 * see.c: Code style changes such as redundant paranthesis,
3831 redundant intialization of local variables etc.
3832 (see_main): Declared now as static.
3833 * doc/invoke.texi: Update that -fsee is not enabled by
3836 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3838 * omp-low.c (check_omp_nesting_restrictions): New function.
3839 (scan_omp_1): Call it.
3842 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3843 construct, return *VAR.
3845 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3847 PR rtl-optimization/27406
3848 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3851 2006-05-14 Roger Sayle <roger@eyesopen.com>
3853 PR rtl-optimization/27538
3854 * combine.c (expand_compound_operation): Call gen_lowpart
3855 before calling simplify_shift_const.
3857 2006-05-14 Roger Sayle <roger@eyesopen.com>
3859 PR rtl-optimization/22563
3860 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3861 a fixed width bitfield, always force the intermediates into psuedos.
3863 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3866 * mkconfig.sh: Use operator = instead of == for test.
3868 2006-05-13 Nick Clifton <nickc@redhat.com>
3870 * dwarf2out.c (dbx_reg_number): Check return value from
3871 LEAF_REG_REMAP and only use it if it is valid.
3872 (multiple_reg_loc_descriptor): Likewise.
3874 2006-05-13 Richard Guenther <rguenther@suse.de>
3876 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3879 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3881 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3882 information attached to non-INSNs such as NOTEs.
3883 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3885 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3887 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3889 * config/s390/s390.md: Adjust comment describing On constraint.
3891 2006-05-11 Jan Hubicka <jh@suse.cz>
3893 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3894 to be output at -O0.
3896 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3899 * fold-const.c (size_binop): Move sanity check for arguments to
3900 the beginning of the function.
3903 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3906 2006-05-11 Richard Guenther <rguenther@suse.de>
3909 * fold-const.c (fold_unary): Handle intermediate conversion
3910 to a pointer type like intermediate conversion to an integer
3911 type in folding of (T1)(T2)var to var.
3912 Match the code to the comment in the final conversion for
3913 (T1)(T2)var to (T1)var regarding to type precision. Rather
3914 than disallow T1 being of pointer type, assert that both T1
3915 and var are of pointer type or not. Make sure not to fall
3916 over the frontends lazyness wrt array to pointer decay though.
3918 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3920 * arm.c (arm_struct_value_rtx): Delete.
3921 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3922 (arm_init_cumulative_args): Always initialize nregs to zero.
3924 2006-05-10 Richard Guenther <rguenther@suse.de>
3926 PR tree-optimization/27532
3927 * tree-object-size.c (plus_expr_object_size): Fix typo.
3929 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3932 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3933 ashrdi_const, ashrdi3): Use a scratch register.
3935 2006-05-10 Richard Guenther <rguenther@suse.de>
3937 PR tree-optimization/27302
3938 * fold-const.c (operand_equal_p): For two comparisons,
3939 try comparison of one comparison code swapped if that yields
3942 2006-05-10 Ben Elliston <bje@au.ibm.com>
3944 * tree-pretty-print.c (pretty_print_string): No need to handle
3945 '\0' as a special character.
3947 * tree.h: Include "hashtab.h".
3948 (iterative_hash_expr): Use hashval_t in its prototype.
3949 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3951 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3954 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3955 (hppa*64*-*-hpux11*): Ditto.
3956 (hppa[12]*-*-hpux11*): Ditto.
3958 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3961 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3963 2006-05-09 Michael Matz <matz@suse.de>
3965 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3966 host_extra_gcc_objs and host_xmake_file.
3967 (<*-*-linux*>): Don't overwrite host_xmake_file.
3968 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3969 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3970 (host_detect_local_cpu): Declare.
3971 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3972 * config/i386/i386.c (override_options): Handle -mtune=native
3974 * config/i386/x-i386: New file.
3975 * config/i386/driver-i386.c: New file.
3976 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3979 2006-05-09 Dirk Mueller <dmueller@suse.de>
3980 Richard Guenther <rguenther@suse.de>
3983 * fold-const.c (fold_read_from_constant_string): Relax check
3984 for matching types to matching modes.
3986 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3988 PR rtl-optimization/27335
3989 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3992 2006-05-08 Chao-ying Fu <fu@mips.com>
3993 Richard Sandiford <richard@codesourcery.com>
3995 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3996 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3997 * config/mips/mips.md (UNSPEC_SCC): New constant.
3998 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3999 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4000 (mips_emit_compare): Use it.
4001 (mips_expand_vcondv2sf): New function.
4003 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4005 Fix PR tree-optimization/27093
4006 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4007 renaming when they become not-used_alone.
4009 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4011 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4012 relocation and relocation stubs.
4014 2006-05-08 Eric Christopher <echristo@apple.com>
4016 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4019 2006-05-08 Jan Hubicka <jh@suse.cz>
4022 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4023 unused static functions are needed.
4025 2006-05-08 Roger Sayle <roger@eyesopen.com>
4028 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4029 of a reg_equiv_constant if the result is a legitimate constant.
4031 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4034 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4035 standard 80387 constants, raise the cost to prevent
4036 compress_float_constant() to generate load from memory.
4038 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4040 * config/arm/constraints.md (c): Fix a typo.
4042 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4045 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4048 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4050 (_mm_mwait): Likewise.
4052 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4054 (sse3_monitor): Make it 32bit only.
4055 (sse3_monitor64): New. 64bit monitor.
4057 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4060 * config/i386/i386.c (classify_argument): Skip fields with invalid
4063 2006-05-07 Richard Guenther <rguenther@suse.de>
4065 PR tree-optimization/27409
4066 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4067 Do not try to find zero-sized subvars.
4069 2006-05-07 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/27136
4072 * tree-ssa-loop-niter.c (get_val_for): Correct function
4073 comment, assert requirements.
4074 (loop_niter_by_eval): Stop processing if the iterated
4075 value did not simplify.
4077 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4079 * opts.c (flag_see): remove its setting at -O3.
4081 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4083 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4084 * arm/constraints.md: New file.
4085 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4086 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4087 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4088 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4089 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4090 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4091 * arm.md: Include constraints.md.
4092 (thumb_movsi_insn): Use satisfies_constraint_J.
4093 (movhi, movqi): Use satisfies_constraint_I.
4095 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4097 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4098 for atmeg a645 device.
4100 2006-05-06 Richard Guenther <rguenther@suse.de>
4102 PR tree-optimization/27151
4103 * tree-vect-transform.c (vectorizable_condition): Punt on
4104 values that have a different type than the condition.
4106 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4109 * c-parser.c (c_parser_cast_expression): Only insert casts into
4110 hash table if pointer.
4111 * function.c (used_types_insert_helper): Rename from
4113 (used_types_insert): Call used_types_insert_helper.
4114 * function.h (used_types_insert): Accept only one argument.
4116 2006-05-05 David Edelsohn <edesohn@gnu.org>
4118 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4119 scratch with output modifier.
4121 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4124 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4125 with output modifier.
4127 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4130 * config/mips/mips.c (mips_symbolic_address_p): Return true
4131 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4132 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4134 2006-05-04 Richard Guenther <rguenther@suse.de>
4136 PR tree-optimization/14287
4137 PR tree-optimization/14844
4138 PR tree-optimization/19792
4139 PR tree-optimization/21608
4140 PR tree-optimization/27090
4141 * tree-ssa-pre.c (try_combine_conversion): New function.
4142 (compute_avail): After constructing the value-handle
4143 expression, use try_combine_conversion to combine NOP_EXPRs
4144 with previous value-handle expressions and use the result if it
4147 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4149 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4151 2006-05-04 Jan Hubicka <jh@suse.cz>
4154 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4156 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4158 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4159 that this only matches CONST_INTs. All users changed to VOIDmode
4162 * config/bfin/bfin.c: Include "optabs.h".
4163 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4165 (enum bfin_builtins): Add a number of fractional and vector builtins.
4166 (bfin_init_builtins): Likewise.
4167 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4168 (safe_vector_operand, bfin_expand_binop_builtin,
4169 bfin_expand_unop_builtin): New functions.
4170 (bfin_expand_builtin): Handle the new builtins.
4171 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4174 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4177 * Makefile.in (OBJS-common): Add see.o.
4178 (see.o): Add dependencies.
4179 * common.opt (fsee): New flag for the see optimization was added.
4180 * opts.c (flag_see): Initialized.
4181 * passes.c (init_optimization_passes, pass_see): New pass.
4182 * rtl.h (see_main): Declaration as extern.
4183 * timevar.def (TV_SEE): New.
4184 * tree-pass.h (pass_see): Declaration as extern.
4185 * invoke.texi (-fsee): Document.
4186 * recog.c (validate_simplify_insn): New function.
4187 * recog.h (validate_simplify_insn): Declaration as extern.
4188 * df-problems.c (df_chain_dump): Check for NULL.
4190 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4191 Daniel Berlin <dberlin@dberlin.org>
4193 * cfgrtl.c (insert_insn_bb_end_new): New function.
4194 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4196 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4198 * df.h (struct web_entry): Moved from web.c.
4199 (union_defs): Declaration as extern.
4200 (unionfind_root): Likewise.
4201 (unionfind_union): Likewise.
4202 * web.c (struct web_entry): Moved to df.h.
4203 (unionfind_root): Remove static declaration.
4204 (unionfind_union): Likewise.
4205 (union_defs): Likewise and generalize to use callback function.
4206 (web_main): Update arguments for union_defs function call.
4208 2006-05-04 Richard Guenther <rguenther@suse.de>
4210 PR tree-optimization/26447
4211 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4212 produce SSA_NAME copies before the store stmt to avoid
4213 breaking exception handling.
4215 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4218 * gimplify.c (omp_is_private): If var is shared in some outer context,
4219 return false instead of true. Stop searching on parallel context
4222 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4225 * coverage.c: Use get_gcov_unsigned_t() instead of
4226 unsigned_type_node all over.
4228 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4230 PR tree-optimization/27381
4231 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4232 maintain the same immediate_use links.
4233 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4234 node rather than segfaulting.
4236 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4239 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4240 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4241 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4243 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4245 Fix PR tree-optimization/26626
4246 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4248 * tree-ssa-operands.c (access_can_touch_variable): Allow
4249 typecasting through union pointers.
4251 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4254 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4255 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4256 to find if var will be a global variable even in the nested context.
4257 (omp_copy_decl): Only check for global variable at the end, it might
4258 be overridden in outer contexts.
4259 (scan_sharing_clauses): For global variables don't create a field.
4260 (lower_rec_input_clauses): Do nothing for global shared variables.
4261 Emit a barrier at the end of ILIST if there were any decls in both
4262 firstprivate and lastprivate clauses.
4263 (lower_send_clauses): Do nothing for global variables except for
4266 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4268 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4269 of the correct signedness is returned.
4271 2006-05-02 Jeff Law <law@redhat.com>
4273 PR tree-optimization/27364
4274 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4275 multiply expressions.
4277 2006-05-02 Tom Tromey <tromey@redhat.com>
4279 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4281 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4284 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4285 -mthumb -fPIC are used.
4287 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4288 Joshua Kinard <kumba@gentoo.org>
4291 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4292 with 64-bit pointers.
4294 2006-05-02 Paul Brook <paul@codesourcery.com>
4296 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4298 (create_fix_barrier): Check that a suitable barrier location is
4300 (arm_reorg): Include ftmp->address in allowable range of addresses.
4302 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4305 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4308 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4311 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4312 around RESULT_DECL for result passed by reference.
4313 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4314 * omp-low.c (use_pointer_for_field): Don't look at
4315 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4316 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4317 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4318 time or var for passing by reference for
4319 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4320 TREE_ADDRESSABLE variables when passing by reference.
4322 * omp-low.c (dump_omp_region): Fix output formatting.
4325 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4326 (expand_omp_parallel): Likewise.
4327 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4330 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4331 on statement list containing also constructors and destructors.
4332 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4335 * except.c (duplicate_eh_regions): Fix clearing of
4336 cfun->eh->region_array entries.
4338 2006-05-01 DJ Delorie <dj@redhat.com>
4340 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4342 (gcc_cv_objdump): Likewise.
4343 * configure: Regenerated.
4345 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4348 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4349 templates for case 3 and 4.
4351 2006-05-01 DJ Delorie <dj@redhat.com>
4353 * vec.c: Include bconfig.h when appropriate.
4354 * Makefile.in (build/vec.o): Adjust dependencies.
4355 * mkconfig.sh: Make sure config.h isn't used for build machine
4358 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4360 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4362 (mark_phi_for_rewrite): New function.
4363 (insert_phi_nodes_for, mark_use_interesting): Call
4364 mark_phi_for_rewrite.
4365 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4366 (update_ssa): Initialize and free phis_to_rewrite.
4368 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4370 PR rtl-optimization/27291
4371 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4372 folded to a constant.
4374 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4376 PR tree-optimization/27283
4377 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4378 not whole # of iteration descriptions.
4379 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4380 uses abnormal ssa name.
4381 (niter_for_single_dom_exit): Ditto.
4382 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4383 return just the number of iterations.
4385 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4387 PR tree-optimization/27144
4388 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4389 (record_estimate): Only record constant upper bound.
4390 (infer_loop_bounds_from_undefined): Call
4391 compute_estimated_nb_iterations just once.
4392 (proved_non_wrapping_p): Renamed to ...
4393 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4394 (convert_step_widening, scev_probably_wraps_p): Call
4395 n_of_executions_at_most instead of proved_non_wrapping_p.
4396 (substitute_in_loop_info): Do not replace values in bounds.
4397 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4400 2006-05-01 Richard Henderson <rth@redhat.com>
4403 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4404 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4407 2006-05-01 Roger Sayle <roger@eyesopen.com>
4409 * c-typeck.c (parser_build_binary_op): Don't call the function
4410 unsigned_conversion_warning to spot operand/result type overflow.
4411 (build_binary_op): Instead, call convert_and_check instead of
4412 convert to report the problem when the operands are promoted.
4413 * c-common.c (unsigned_conversion_warning): Make static.
4414 * c-common.h (unsigned_conversion_warning): Delete prototype.
4416 2006-05-01 Richard Guenther <rguenther@suse.de>
4418 PR tree-optimization/26726
4419 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4421 (find_interesting_uses_address): ... we work around here
4422 by folding INDIRECT_REFs in the substituted base.
4424 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4426 * omp-low.c (dump_omp_region): Add newlines.
4428 2006-04-30 Roger Sayle <roger@eyesopen.com>
4430 * common.opt (Woverflow): New command line option.
4431 * c-common.c (constant_expression_warning): Check warn_overflow.
4432 (overflow_waring): Pass OPT_Woverflow to warning.
4433 (unsigned_conversion_warning): Likewise.
4434 (convert_and_check): Likewise.
4435 * doc/invoke.texi: Document new command line option.
4437 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4439 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4440 TARGET_NO_FP_IN_TOC for section anchors.
4441 (optimization_options): Enable section anchors for all
4442 non-"Objective" languages.
4444 2006-04-28 Eric Christopher <echristo@apple.com>
4446 * config/darwin-c.c (darwin_ms_struct): Move this
4447 (darwin_set_default_type_attributes): and this...
4448 * config/darwin.c: ... here.
4449 * config/darwin.h (darwin_ms_struct): Declare.
4451 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4455 2006-04-28 Roger Sayle <roger@eyesopen.com>
4458 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4459 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4460 an unsigned HOST_WIDE_INT.
4461 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4463 (really_start_incremental_init): No need to call convert because
4464 bitsize_zero_node is already of type bitsizetype.
4465 (push_init_level): Extract the value of constructor_index as an
4466 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4467 (process_init_element): Likewise.
4469 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4471 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4472 value before passing to make_relative_prefix.
4474 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4477 * builtins.c (expand_builtin_memset): Expand val in original mode.
4479 2006-04-27 Eric Christopher <echristo@apple.com>
4481 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4482 with #ifndef/#endif.
4483 * config/darwin-c.c (darwin_ms_struct): New.
4484 (darwin_pragma_ms_struct): Ditto.
4485 (darwin_set_default_type_attributes): Ditto.
4486 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4487 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4488 Register ms_struct pragma.
4489 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4490 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4491 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4492 darwin_set_default_type_attributes if TARGET_MACHO.
4494 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4496 PR tree-optimization/26854
4497 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4498 * doc/tree-ssa.texi: Update immuse iterator documentation.
4499 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4500 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4501 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4502 first_safe_imm_use, next_safe_imm_use): Remove.
4503 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4504 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4505 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4506 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4507 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4508 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4509 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4510 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4511 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4512 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4513 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4514 (perfect_nestify): Use new iterator.
4515 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4517 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4518 (next_imm_name): New field in struct immediate_use_iterator_d.
4519 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4520 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4521 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4522 * tree-cfg.c (replace_uses_by): Use new iterator.
4523 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4524 * tree-ssa-operands.c (correct_use_link): Remove.
4525 (finalize_ssa_use_ops): No longer call correct_use_link.
4527 2006-04-27 Stuart Hastings <stuart@apple.com>
4529 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4530 * config/t-darwin (crt3.o): Use it.
4531 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4532 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4533 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4534 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4535 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4538 2006-04-27 Roger Sayle <roger@eyesopen.com>
4540 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4541 size, force the intermediate into a new pseudo rather instead of
4542 performing both a bitwise AND and a bitwise IOR in memory.
4544 2006-04-27 Richard Guenther <rguenther@suse.de>
4546 PR rtl-optimization/26685
4547 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4548 this one "max-flow-memory-locations".
4550 2006-04-27 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/25148
4553 * tree-vrp.c (compare_values): Remove code dealing with
4554 comparisons against type min/max value. Honour overflow
4555 and negative constants in code dealing with comparisons
4556 of plus and minus expressions.
4557 (value_inside_range): Use fold_binary with LE_EXPR and
4558 GE_EXPR rather than compare_values.
4560 2006-04-27 Dirk Mueller <dmueller@suse.de>
4562 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4565 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4567 * basic-block.h (safe_insert_insn_on_edge): Removed.
4568 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4570 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4571 Paolo Bonzini <bonzini@gnu.org>
4574 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4575 (simplify_and_const_int): Same.
4577 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4579 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4581 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4584 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4585 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4586 cgraph_global_info_ready.
4589 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4592 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4593 either decl or init is error_mark_node.
4596 * tree-flow.h (struct omp_region): Add sched_kind.
4597 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4598 instead of extracting omp for data.
4599 (expand_omp_for): Save extracted sched_kind.
4601 2006-04-25 Roger Sayle <roger@eyesopen.com>
4603 * expmed.c (store_bit_field): Also check whether the bitsize is
4604 valid for the machine's "insv" instruction before moving the
4605 target into a pseudo for use with the insv.
4606 * config/i386/predicates.md (const8_operand): New predicate.
4607 * config/i386/i386.md (extv, extzv, insv): Use the new
4608 const8_operand predicate where appropriate.
4610 2006-04-25 DJ Delorie <dj@redhat.com>
4612 * doc/install.texi (Specific): Clarify that this is not a list of
4613 supported hosts or targets.
4615 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4617 PR rtl-optimization/26725
4618 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4619 block's BB_DIRTY flag.
4621 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4623 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4626 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4627 to print an integer.
4629 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4631 * varasm.c (align_variable): New function.
4632 (get_block_for_decl): Apply align_variable to DECL before
4633 calculating section information.
4634 (assemble_variable): Split out alignment computation.
4636 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4638 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4641 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4643 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4644 MODE_PARTIAL_INT mode.
4645 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4646 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4648 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4649 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4651 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4653 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4655 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4656 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4657 MACFLAG_IH): Likewise.
4658 (movstricthi_1): Renamed from "*movstricthi".
4659 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4660 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4661 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4662 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4663 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4664 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4665 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4666 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4667 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4668 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4669 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4670 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4671 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4672 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4673 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4675 * doc/rtl.texi (ss_ashift): Improve wording.
4677 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4679 * dwarf2out.c (verify_marks_clear): New.
4680 (prune_unused_types): Call verify_marks_clear initially, not
4683 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4685 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4686 * doc/rtl.texi: Document them.
4687 * simplify-rtx.c (simplify_unary_operation,
4688 simplify_binary_operation_1): Don't abort when we see them.
4690 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4693 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4694 * configure.ac: Completely disregard languages that are not
4696 * configure: Regenerated.
4698 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4699 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/27236
4702 * tree-inline.c (copy_body_r): Make sure to copy
4703 TREE_THIS_VOLATILE flag.
4705 2006-04-24 Richard Guenther <rguenther@suse.de>
4708 * tree-complex.c (update_parameter_components): Don't handle
4709 unused parameters which have no default def.
4711 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4712 Richard Guenther <rguenther@suse.de>
4714 PR tree-optimization/27218
4715 * tree-inline.c (expand_call_inline): Strip useless type
4716 conversions for the return slot address.
4718 2006-04-24 Richard Guenther <rguenther@suse.de>
4720 * cfgloop.h (struct loops): Remove unused field array. Reorder
4722 (LOOP_PREFETCH): Remove.
4724 2006-04-24 Richard Guenther <rguenther@suse.de>
4726 PR tree-optimization/22525
4727 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4728 variable, adjust types of generated expressions.
4730 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4732 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4733 (tree-vect-patterns.o): Likewise.
4735 (cselib.o): Likewise.
4736 (loop-doloop.o): Likewise.
4737 (regclass.o): Likewise.
4738 (reload1.o): Likewise.
4739 (explow.o): Replace target.h with $(TARGET_H).
4740 (ipa-prop.o): Likewise.
4741 (ipa-cp.o): Likewise.
4742 (ipa-inline.o): Likewise.
4743 (reorg.o): Likewise.
4744 (reg-stack.o): Likewise.
4746 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4748 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4750 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4752 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4754 * configure.ac: Completely disregard languages that are not
4756 * configure: Regenerated.
4759 * c-common.h (c_build_bitfield_integer_type): Declare.
4760 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4761 * c-common.c (c_build_bitfield_integer_type): ... here.
4763 2006-04-23 Roger Sayle <roger@eyesopen.com>
4766 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4767 a SImode SUBREG of a floating point register after no_new_pseudos.
4769 2006-04-23 Roger Sayle <roger@eyesopen.com>
4771 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4772 identify potentially eliminable registers to additionally catch
4773 VIRTUAL_INCOMING_ARGS_REGNUM.
4774 (addsi3): Update the conditions on when to use addsi_small_int.
4776 2006-04-23 Roger Sayle <roger@eyesopen.com>
4779 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4780 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4781 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4783 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4785 * fold-const.c (range_predecessor): Use operand_equal_p
4786 as the predicate for equality.
4787 (range_successor): Likewise.
4789 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4792 * config/soft-fp/op-common.h: Fix a typo.
4794 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4797 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4798 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4800 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4802 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4804 * doc/tm.texi: Fix a typo.
4806 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4808 * dwarf2out.c (struct die_struct): Document that die_sib makes
4809 a circular linked list.
4810 (FOR_EACH_CHILD): New.
4811 (reverse_die_lists): Delete.
4812 (reverse_all_dies): Delete.
4813 (add_dwarf_attr): Correct documentation.
4814 (remove_child_with_prev): New.
4815 (remove_child_TAG): Update for change to die_struct, use
4816 remove_child_with_prev.
4817 (add_child_die): Update for change to die_struct.
4818 (splice_child_die): Use remove_child_with_prev and add_child_die.
4819 (print_die): Use FOR_EACH_CHILD.
4820 (die_checksum): Likewise.
4821 (assign_symbol_names): Likewise.
4822 (output_location_lists): Likewise.
4823 (build_abbrev_table): Likewise.
4824 (calc_die_sizes): Likewise.
4825 (mark_dies): Likewise.
4826 (unmark_dies): Likewise.
4827 (unmark_all_dies): Likewise.
4828 (output_die): Likewise.
4829 (prune_unused_types_mark): Likewise.
4830 (prune_unused_types_walk): Likewise.
4831 (same_die_p): Update for change to die_struct.
4832 (break_out_includes): Likewise.
4833 (prune_unused_types_prune): Likewise.
4834 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4835 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4837 (dwarf2out_finish): Don't call reverse_all_dies.
4839 2006-04-21 Eric Christopher <echristo@apple.com>
4841 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4842 in comments and function names.
4844 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4847 * c-typeck.c (digest_init): Robustify.
4849 * c-typeck.c (pop_init_level): Simplify.
4851 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4853 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4855 2006-04-21 Paul Brook <paul@codesourcery.com>
4857 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4858 hardware floating point.
4860 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4862 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4865 2006-04-21 Nick Clifton <nickc@redhat.com>
4867 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4870 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4873 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4874 C++ lang type in traceback table for Objective-C++.
4876 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4878 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4880 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4882 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4885 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4886 were errors. Remove check for erroneous objects.
4888 2006-04-20 Jeff Law <law@redhat.com>
4890 PR tree-optimization/26854
4891 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4892 checking for zero or one use.
4893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4894 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4895 * tree-ssa-reassoc.c (negate_value): Similarly.
4896 (reassociate_bb): Similarly.
4898 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4900 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4901 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4902 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4904 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4906 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4907 fp regs if the last fp arg doesn't fit in regs.
4909 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4912 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4913 that the last insn has the REG_INC note.
4915 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4916 Nathan Sidwell <nathan@codesourcery.com>
4919 * stor-layout.c (update_alignment_for_field): Do not align
4921 (place_union_field): Place union field at the start of the union.
4922 (place_field): Move ERROR_MARK check later, and use the current
4923 allocation position to maintain monotonicity.
4925 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4927 * dominance.c: Include timevar.h.
4928 (calculate_dominance_info): Use TV_DOMINANCE.
4929 * timevar.def (TV_DOMINANCE): New timevar.
4930 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4932 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4934 PR rtl-optimization/14261
4935 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4936 move would be an INSV insn.
4937 (noce_process_if_block): Don't optimize if the destination is a
4938 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4940 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4942 * config/s390/s390.md: Add comments with the instructions emitted
4943 by an insn pattern if macros are used.
4945 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4947 PR rtl-optimization/26026
4948 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4949 is a known power of two shifted left a variable amount.
4951 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4953 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4954 to hash table twice when the debug_str section has SECTION_MERGE.
4956 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4958 * config/soft-fp: New directory. From glibc.
4959 * config/soft-fp/t-softfp: New.
4960 * config/soft-fp/README: New.
4961 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4962 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4963 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4964 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4965 * config.gcc: Use rs6000/t-fprules-fpbit or
4966 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4968 * config/rs6000/sfp-machine.h: New. Based on glibc.
4969 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4971 * config/rs6000/t-fprules: Remove fp-bit rules.
4972 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4973 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4974 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4975 (softfp_wrap_start, softfp_wrap_end): New.
4977 2006-04-18 DJ Delorie <dj@redhat.com>
4979 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4981 2006-04-18 Devang Patel <dpatel@apple.com>
4983 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4985 2006-04-18 Nick Clifton <nickc@redhat.com>
4987 * config/sh/t-symbian: Add rule to build sh-c.o
4988 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4989 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4990 (sh_symbian_encode_section_info): Likewise.
4992 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4994 * builtins.c (expand_builtin_strcmp): Cover label definition of
4995 do_libcall with HAVE_cmpstrnsi.
4997 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4999 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5001 * function.h (temp_slot_p): New.
5002 (function): Change the type of x_used_temp_slots to
5003 VEC(temp_slot_p,gc) *.
5005 2006-04-18 Nick Clifton <nickc@redhat.com>
5007 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5008 flag_strength_reduce.
5010 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5012 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5016 Partial revert of revision 112637
5017 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5018 Dale Johannesen <dalej@apple.com>
5021 * regclass.c (struct reg_pref): Update documentation.
5022 (regclass): Set prefclass to NO_REGS if memory is the best option.
5023 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5025 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5027 PR tree-optimization/26821
5028 * tree-ssa-math-opts.c (get_constant_one): New.
5029 (insert_reciprocals): Use it.
5031 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5033 * dwarf2out.c (free_AT): Delete.
5034 (remove_AT): Update string ref counts.
5035 (remove_child_TAG): Don't call free_die.
5037 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5038 or DW_TAG_GNU_EINCL.
5039 (prune_unused_types_walk_attribs): Reset string refcounts.
5040 (prune_unused_types_update_strings): New.
5041 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5042 call free_die. Do call prune_unused_types_update_strings.
5043 (prune_unused_types): Empty debug_str_hash.
5045 2006-04-17 Roger Sayle <roger@eyesopen.com>
5047 * expr.c (expand_assignment): Optimize away no-op moves where the
5048 source and destination are equal and have no side-effects.
5050 2006-04-17 Richard Guenther <rguenther@suse.de>
5053 * reload.c (push_reload): Guard calls to get_secondary_mem
5056 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5058 * alias.c (reg_base_value, old_reg_base_value): Change the
5059 type to VEC(rtx,gc) *.
5060 (REG_BASE_VALUE, find_base_value, record_set,
5061 init_alias_analysis): Use VEC instead of VARRAY.
5063 * alias.c (alias_sets): Change the type to
5064 VEC(alias_set_entry,gc) *.
5065 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5066 VEC instead of VARRAY.
5067 (last_alias_set): Remove.
5069 * cgraph.h (cgraph_edge_p): New.
5070 Update the prototype of cgraph_function_versioning.
5071 * cgraphunit.c (cgraph_copy_node_for_versioning,
5072 cgraph_function_versioning): Use VEC instead of VARRAY.
5073 * ipa-cp.c (ipcp_insert_stage): Likewise.
5075 2006-04-16 Roger Sayle <roger@eyesopen.com>
5078 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5079 "A op B" or "A op C", we may need to convert A to the type of B and C.
5081 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5083 * target.h (struct gcc_target): Add mode_rep_extended.
5084 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5085 (init_num_sign_bit_copies_in_rep): Initialize it using
5087 (truncate_to_mode): Use it.
5088 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5089 * targhooks.h (default_mode_rep_extended): Declare it.
5090 * targhooks.c (default_mode_rep_extended): Define it.
5091 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5092 default_mode_rep_extended.
5093 (TARGET_INITIALIZER): Include it.
5094 * doc/tm.texi (Misc): Document it.
5095 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5096 (mips_truncated_to_mode): New function.
5098 2006-04-16 Roger Sayle <roger@eyesopen.com>
5101 * expr.c (compress_float_constant): Copy the narrow constant into
5102 a new pseudo before extending it to its final width.
5104 2006-04-16 Roger Sayle <roger@eyesopen.com>
5105 Andrew Pinski <pinskia@gcc.gnu.org>
5106 Dale Johannesen <dalej@apple.com>
5109 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5110 special case code to implement V8HImode and V16QImode with SSE2.
5112 2006-04-15 Roger Sayle <roger@eyesopen.com>
5114 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5115 trees are constructed with a suitable tree type.
5117 2006-04-15 Roger Sayle <roger@eyesopen.com>
5119 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5120 (integer_onep): Likewise.
5121 (integer_all_onesp): Likewise.
5122 (integer_pow2p): Likewise.
5123 (integer_nonzerop): Likewise.
5124 (real_zerop): Likewise.
5125 (real_onep): Likewise.
5126 (real_twop): Likewise.
5127 (real_minus_onep): Likewise.
5128 (int_size_in_bytes): Likewise.
5129 (host_integerp): Likewise.
5131 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5133 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5134 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5135 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5137 * tree-ssa-structalias.h (alias_info): Remove num_references.
5139 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5141 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5142 (output_bvb patterns): Likewise.
5143 * pa.c (output_bb): Use 'bb' insn for long branch case.
5144 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5145 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5146 1. Correct length operand for alternatives 1 and 2.
5147 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5148 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5150 2006-04-14 Roger Sayle <roger@eyesopen.com>
5152 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5153 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5154 were accidentally reverted by r112959.
5156 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5159 * except.h (eh_region_outermost): New prototype.
5160 * except.c (eh_region_outermost): New function.
5161 * tree-cfg.c (find_outermost_region_in_block): Use it.
5163 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5165 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5167 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5168 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5169 (init_reload, reload): Use VEC instead of VARRAY.
5170 * reload.h: Update the prototype for
5171 reg_equiv_memory_loc_varray.
5173 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5174 Eric Botcazou <ebotcazou@libertysurf.fr>
5176 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5179 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5182 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5183 to expand fallback builtin function call.
5185 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5188 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5189 and emit libcall here in case the builtin fails.
5190 (expand_builtin_strcmp): Always emit the libcall here on failure.
5192 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5194 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5195 * flow.c (reg_n_info): Change the type to
5196 VEC(reg_info_p,heap) *.
5197 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5199 * regs.h (reg_info_p): New.
5200 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5201 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5202 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5205 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5207 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5209 * params.h (MAX_SCHED_READY_INSNS): New macro.
5210 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5211 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5212 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5213 the ready list for 1 cycle during the first scheduling pass.
5214 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5216 2006-04-13 Richard Henderson <rth@redhat.com>
5219 * gimple-low.c (lower_omp_directive): Remove dead code.
5220 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5221 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5222 * omp-low.c (struct omp_region): Move to tree-flow.h.
5223 (root_omp_region): Export.
5224 (omp_regions, lookup_omp_region): Remove.
5225 (determine_parallel_type): Update for struct omp_region changes.
5226 (dump_omp_region): Dump regions with block numbers.
5227 (new_omp_region): Take type and block instead of stmt; malloc
5229 (free_omp_region_1, free_omp_regions): New.
5230 (expand_parallel_call): Take entry_stmt as argument; update for
5231 changes to omp_region.
5232 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5233 (remove_exit_barriers): New.
5234 (expand_omp_parallel): Update for struct omp_region changes.
5235 (expand_omp_synch): Likewise.
5236 (expand_omp): Likewise.
5237 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5238 (expand_omp_for_static_chunk): Likewise.
5239 (expand_omp_for): Likewise.
5240 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5241 (expand_omp_sections): Similarly, with GOMP_sections_end.
5242 (expand_omp_single): New.
5243 (build_omp_regions_1): Update for OMP_CONTINUE.
5244 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5245 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5246 OMP_SECTIONS_SECTIONS.
5247 (lower_omp_single_simple): Don't emit barrier here.
5248 (lower_omp_single_copy): Likewise.
5249 (lower_omp_single): Fix bindings, and lower to straightline now.
5250 (lower_omp_master, lower_omp_ordered): Likewise.
5251 (lower_omp_critical): Likewise.
5252 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5253 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5254 omp edges, free it afterward.
5255 (make_omp_sections_edges): Remove.
5256 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5257 (move_stmt_r): Handle OMP_CONTINUE.
5258 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5259 statement pointers to basic blocks. Add type member.
5260 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5261 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5262 * tree-inline.c (estimate_num_insns_1): Likewise.
5263 * tree-pretty-print.c (dump_generic_node): Likewise.
5264 * tree-ssa-operands.c (get_expr_operands): Likewise.
5265 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5266 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5267 (OMP_CONTINUE): New.
5268 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5269 (OMP_SECTIONS_SECTIONS): Remove.
5270 (OMP_SECTION_LAST): New.
5271 (OMP_RETURN_NOWAIT): New.
5273 2006-04-13 Roger Sayle <roger@eyesopen.com>
5275 * fold-const.c (native_encode_vector, native_interpret_real):
5276 Correct obvious mistakes in the previous check-in.
5278 2006-04-13 Roger Sayle <roger@eyesopen.com>
5280 * fold-const.c (native_encode_expr): New function to encode
5281 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5282 or VECTOR_CST into a specified buffer.
5283 (native_encode_int): New function.
5284 (native_encode_real): New function.
5285 (native_encode_complex): New function.
5286 (native_encode_vector): New function.
5287 (native_interpret_expr): Inverse of native_encode_expr to convert
5288 a target representation into an INTEGER_CST, REAL_CST etc...
5289 (native_interpret_int): New function.
5290 (native_interpret_real): New function.
5291 (native_interpret_complex): New function.
5292 (native_interpret_vector): New function.
5293 (fold_view_convert_expr): New function to constant fold/evaluate
5294 a VIEW_CONVERT_EXPR of a suitable constant expression.
5295 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5296 Change call of build1 to fold_build1 when constructing a
5299 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5300 Ulrich Weigand <uweigand@de.ibm.com>
5303 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5306 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5309 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5310 optimize to lo_sum for DFmode if !TARGET_FPRS.
5312 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5314 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5315 delete_alias_info, compute_flow_sensitive_aliasing,
5316 group_aliases): Use VEC instead of VARRAY.
5317 * tree-ssa-structalias.c (update_alias_info): Likewise.
5318 * tree-ssa-structalias.h (alias_info): Change the type of
5319 processed_ptrs to VEC(tree,heap) *.
5321 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5324 * config/sh/lib1funcs.h: New file, broken out of:
5325 * config/sh/lib1funcs.asm.
5326 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5328 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5329 * config/sh/lib1funcs-Os-4-200.asm: New file.
5330 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5331 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5332 (EXTRA_MULTILIB_PARTS): Include it.
5333 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5334 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5335 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5336 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5339 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5341 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5342 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5343 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5345 * tree-ssa-live.h: Include vecprim.h.
5346 (tree_partition_associator_d): Change the type of
5347 first_partition to VEC(int,heap) *.
5348 (tpa_first_partition): Use VEC instead of VARRAY.
5350 * Makefile.in (GTFILES): Move functions.h after tree.h.
5351 * function.c (reset_block_changes, record_block_change,
5352 check_block_change, free_block_changes): Use VEC instead of
5354 * function.h (function): Change the type of
5355 ib_boundaries_block to VEC(tree,gc) *.
5356 * tree-inline.c (copy_cfg_body): Initialize
5357 ib_boundaries_block to NULL instead of (varray_type) 0.
5359 2006-04-12 Roger Sayle <roger@eyesopen.com>
5361 * expr.c (emit_group_store): Correct operand order in call to
5362 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5363 a SUBREG_BYTE of zero.
5365 2006-04-12 Richard Guenther <rguenther@suse.de>
5367 * profile.c (compute_branch_probabilities): Remove code
5368 encapsulated in !ir_type (), which are remanents of the
5369 removed RTL profiling code.
5370 * rtl-profile.c: Remove.
5372 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5374 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5375 magic NULL_RTX comment.
5376 (function_arg): Store entire fp arg to mem if any part should go
5378 (rs6000_arg_partial_bytes): Adjust for above change.
5380 2006-04-11 Roger Sayle <roger@eyesopen.com>
5382 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5383 if it hasn't been initialized by dwarf2out_init.
5385 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5387 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5388 symbolic constants in branch patterns.
5390 2006-04-11 Roger Sayle <roger@eyesopen.com>
5392 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5394 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5396 PR rtl-optimization/27073
5397 * gcse.c (try_replace_reg): Revert last change. Continue to search
5398 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5401 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5403 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5404 aggregate types other than record and union types.
5405 (function_arg): Likewise.
5406 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5408 (function_value): In 64-bit mode, return objects that require it
5411 2006-04-11 Roger Sayle <roger@eyesopen.com>
5413 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5415 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5417 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5419 2006-04-03 Jeff Law <law@redhat.com>
5422 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5423 alias information too.
5425 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5427 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5429 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5432 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5433 (premark_used_types_helper): New.
5434 (premark_used_types): New.
5435 (gen_subprogram_die): Call premark_used_types.
5436 (prune_unused_types_walk): Do not prune perennial dies.
5437 * function.c (used_types_insert): New.
5438 * function.h (struct function): Add used_types_hash field.
5439 (used_types_insert): Add prototype.
5440 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5441 * c-parser.c (c_parser_cast_expression): Save casted types in used
5444 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5447 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5448 rs6000_explicit_options.float_gprs.
5450 2006-04-10 Roger Sayle <roger@eyesopen.com>
5452 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5453 from ix86_expand_vector_init_low_nonzero. Take an additional
5454 one_var argument indicating which element is non-zero. Support
5455 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5456 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5457 with one_var instead of ix86_expand_vector_init_low_nonzero.
5459 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5461 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5462 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5463 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5464 build/genextract.o): Depend on vecprim.h.
5465 * cfglayout.c, df-problems.c, function.c, genextract.c,
5466 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5467 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5471 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5473 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5474 Declare VECs of this type.
5475 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5476 (remove_children): Delete.
5477 (add_dwarf_attr): Use VEC routines.
5478 (add_AT_flag): Update for changes to add_dwarf_attr.
5479 (add_AT_int): Likewise.
5480 (add_AT_unsigned): Likewise.
5481 (add_AT_long_long): Likewise.
5482 (add_AT_vec): Likewise.
5483 (add_AT_string): Likewise.
5484 (add_AT_die_ref): Likewise.
5485 (add_AT_fde_ref): Likewise.
5486 (add_AT_loc): Likewise.
5487 (add_AT_loc_list): Likewise.
5488 (add_AT_addr): Likewise.
5489 (add_AT_lbl_id): Likewise.
5490 (add_AT_lineptr): Likewise.
5491 (add_AT_macptr): Likewise.
5492 (add_AT_offset): Likewise.
5493 (add_AT_range_list): Likewise.
5494 (get_AT): Use VEC_iterate.
5495 (remove_AT): Use VEC_ordered_remove.
5496 (free_die): Fold remove_children into here; have it use VEC_iterate.
5497 (print_die): Use VEC_iterate on attrs.
5498 (reverse_die_lists): Don't reverse attr lists.
5499 (die_checksum): Use VEC_iterate on attrs.
5500 (same_die_p): Likewise.
5501 (output_location_lists): Likewise.
5502 (build_abbrev_table): Likewise.
5503 (size_of_die): Likewise.
5504 (unmark_all_dies): Likewise.
5505 (output_abbrev_section): Likewise.
5506 (output_die): Likewise.
5507 (prune_unused_types_walk_attribs): Likewise.
5509 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5511 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5513 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5516 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5518 2006-04-09 Roger Sayle <roger@eyesopen.com>
5520 * expr.c (store_constructor): Don't bother clearing target if
5521 we're about to assign a vector to it using vec_init_optab.
5523 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5525 * tree-ssa-alias.c (lhs_may_store_to): New function.
5526 (recalculate_used_alone): Handle LHS of calls.
5528 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5532 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5533 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5534 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5535 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5536 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5537 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5538 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5539 stubs. Add ".align 8" directives before all ".dword" directives.
5540 (GTHREAD_USE_WEAK): Revise comment.
5541 (TARGET_ATTRIBUTE_WEAK): Define.
5542 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5543 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5544 * stublib.c: New file.
5549 * pa.md (cbranch patterns): Revise arguments used in calls to
5550 output_cbranch, output_bb and output_bvd. Add long branch length
5552 (fbranch patterns): Handle long branches.
5553 (jump): Revise length check. Revise arguments for output_lbranch call.
5554 Add long branch length attributes.
5555 (decrement_and_branch_until_zero): Add long branch length attributes.
5556 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5557 Likewise. Revise arguments for output_parallel_addb and
5558 output_parallel_movb calls.
5559 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5560 output_parallel_movb and output_parallel_addb): Update prototypes.
5561 * pa.c (output_cbranch): Revise arguments. Correct handling of
5562 nullification in long branches.
5563 (output_lbranch): Add new argument to control extraction of delay
5565 (output_bb): Handle long branches.
5566 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5567 output_parallel_addb): Likewise.
5569 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5571 PR rtl-optimization/27073
5572 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5575 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5577 * tree.h (tree_memory_tag): Add old_used_alone.
5578 (SMT_OLD_USED_ALONE): New macro.
5579 * tree-ssa-alias.c (recalculate_used_alone): Stop
5580 marking things for renaming unnecessarily.
5582 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5584 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5585 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5586 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5587 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5588 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5589 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5590 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5591 spelling convensions.
5592 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5593 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5594 typos. Follow spelling conventions.
5596 2006-04-07 DJ Delorie <dj@redhat.com>
5598 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5599 passed on the stack.
5600 (m32c_init_cumulative_args): When a function returns a structure,
5601 always pass the pointer to that return area on the stack.
5602 (m32c_function_arg_advance): Don't increment the parameter number
5603 if we're processing the returned structure pointer.
5604 (pushm_info): Reverse order of registers.
5606 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5608 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5609 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5610 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5611 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5613 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5614 chrec_fold_multiply): Same.
5615 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5616 force_expr_to_var_cost): Same.
5617 * tree-mudflap.c (mf_xform_derefs_1): Same.
5618 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5620 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5622 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5623 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5626 2006-04-07 Jan Hubicka <jh@suse.cz>
5628 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5630 2006-04-07 Richard Guenther <rguenther@suse.de>
5632 PR tree-optimization/26135
5633 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5634 loads for store copy-prop.
5635 (copy_prop_visit_stmt): Likewise.
5637 2006-04-05 Robert Millan <robertmh@gnu.org>
5639 * config/i386/linux.h: Add a comment to mark macros that are
5640 being overriden in config/k*bsd-gnu.h.
5641 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5643 * config/knetbsd-gnu.h: Ditto.
5645 2006-04-06 Jan Hubicka <jh@suse.cz>
5649 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5652 2006-04-06 Mike Stump <mrs@apple.com>
5654 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5655 for HAVE_nonlocal_goto to be consistent.
5656 (expand_builtin_nonlocal_goto): Likewise.
5657 (expand_builtin_strcmp): Use #ifdef instead of #if
5658 for HAVE_cmpstrnsi to be consistent.
5660 2006-04-05 DJ Delorie <dj@redhat.com>
5662 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5665 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5667 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5668 got-relative addressing for anything but SImode.
5670 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5671 even if the calling function doesn't modify them.
5673 2006-04-05 Richard Guenther <rguenther@suse.de>
5675 PR tree-optimization/26919
5676 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5677 to cgraph_estimate_size_after_inlining.
5679 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5681 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5683 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5685 PR tree-optimization/26996
5686 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5687 VECTOR_TYPE variables.
5689 2006-04-05 Richard Guenther <rguenther@suse.de>
5691 PR tree-optimization/26763
5692 * fold-const.c (fold_comparison): Move folding of
5693 PTR + CST CMP PTR + CST ...
5694 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5696 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5698 * doc/install.texi (Prerequisites): Refine some wording on
5699 bootstrapping and ksh.
5700 Move the version numbers of DejaGnu here from the testing section
5701 and fix casing of names.
5702 Fix markup and clarify wording for autogen requirements.
5703 Refer to GCJ instead of just java.
5704 Refer to SVN instead of CVS.
5705 Describe diffutils as useful instead of necessary.
5706 (Downloading the source): Refer to SVN instead of CVS.
5707 Adjust a link to our web site accordingly.
5708 (Configuration): Fix casing of Bison.
5709 (Building): Refer to SVN instead of CVS.
5710 Fix a sentence on the use of Bison and remove duplicate (and
5711 incorrect) version number of Bison requirement.
5712 Remove one redundant list of packages needed for building.
5713 (Specific): Avoid reference to CVS.
5715 2006-04-04 Eric Christopher <echristo@apple.com>
5717 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5718 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5719 (rs6000_handle_struct_attribute): New.
5720 (rs6000_ms_bitfield_layout_p): Ditto.
5722 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5724 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5725 NULL for dso parameter to atexit_common.
5727 2006-04-04 Eric Christopher <echristo@apple.com>
5729 * config/i386/i386.c (machopic_output_stub): Output \t
5730 between instructions and operands.
5732 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5734 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5735 satisfies_constraint_[IL] to explicit tests on value.
5737 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5739 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5740 set_nb_iterations_in_loop): Use build_int_cst instead of
5742 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5743 build_int_cst instead of convert.
5745 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5747 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5748 new value 2 for incoming.
5749 * function.c (expand_function_start): Call struct_value_rtx
5751 * config/sparc/sparc.md: Comment updated_return.
5752 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5753 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5754 struct return if sparc_std_struct_return and incoming is 2.
5755 (print_operand): Do not adjust return if
5756 sparc_std_struct_return.
5758 2006-04-04 Roger Sayle <roger@eyesopen.com>
5760 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5761 convert in the middle-end.
5762 * expr.c (store_expr, store_constructor, get_inner_reference,
5763 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5765 * tree.c (build_range_type): Likewise.
5767 2006-04-04 Tom Tromey <tromey@redhat.com>
5769 * doc/install.texi (Prerequisites): Mention jar.
5771 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5773 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5776 2006-04-04 Matthias Klose <doko@debian.org>
5778 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5779 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5782 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5784 * doc/extend.texi (Function Attributes): Rewrite visibility
5785 attribute documentation.
5786 * doc/invoke.texi (C++ Dialect Options): Rewrite
5787 -fvisibility-inlines-hidden documentation to describe something
5788 entirely different, although in practise compatible.
5789 (Code Gen Options): Warn about system headers in -fvisibility=
5792 * doc/extend.texi (Other Builtins): Document that
5793 __builtin_nan is a compile-time constant only when its argument
5796 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5798 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5799 trying to remove TRUNCATE check if all bits outside the new mode
5800 are identical to the sign bit.
5802 2006-04-03 Jeff Law <law@redhat.com>
5804 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5805 and operand scanning in some common cases.
5807 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5808 Dale Johannesen <dalej@apple.com>
5811 * regclass.c (struct reg_pref): Update documentation.
5812 (regclass): Set prefclass to NO_REGS if memory is the best option.
5813 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5814 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5815 into account. For non-registers, equate an empty preferred
5816 reload class to a `!' in the constraint; move the if clause to
5817 do so after those that reject the insn.
5818 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5820 (find_dummy_reload): Likewise.
5821 * doc/tm.texi (Register Classes): Document what it means
5822 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5823 * config/i386/i386.c (ix86_preferred_reload_class): Force
5824 using SSE registers (and return NO_REGS for floating-point
5825 constants) if math is done with SSE.
5826 (ix86_preferred_output_reload_class): New.
5827 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5828 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5829 * config/i386/i386.md: Remove # register preferences.
5831 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5834 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5835 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5836 the type of nb_iter.
5837 (instantiate_parameters_1): Convert the operands before calling
5838 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5839 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5841 2006-04-02 Roger Sayle <roger@eyesopen.com>
5843 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5844 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5846 * dojump.c (do_jump): Likewise.
5847 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5848 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5849 gimplify_boolean_expr): Likewise.
5850 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5851 * varasm.c (array_size_for_constructor): Likewise.
5852 * tree-object-size.c (compute_object_offset): Likewise.
5854 2006-04-02 Roger Sayle <roger@eyesopen.com>
5857 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5858 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5860 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5862 PR tree-optimization/26939
5863 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5865 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5867 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5868 at_stmt. Convert the type of operands before calling
5869 build_polynomial_chrec.
5870 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5872 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5873 (instantiate_parameters_1): Convert the type of operands before calling
5874 build_polynomial_chrec.
5875 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5876 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5877 reset_evolution_in_loop): Insert asserts to check the types of the
5879 (chrec_type): Moved...
5880 (eq_evolutions_p): Use operand_equal_p.
5881 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5882 the types of the operands.
5883 (chrec_type): ...here.
5884 * tree-data-ref.c (create_data_ref): Convert the operands before
5885 calling chrec_replace_initial_condition.
5886 (same_access_functions, analyze_subscript_affine_affine,
5887 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5888 (compute_subscript_distance, analyze_ziv_subscript,
5889 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5890 analyze_miv_subscript): Convert the operands before calling
5891 chrec_fold_minus or chrec_fold_plus.
5893 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5895 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5896 the dependence_relations vector.
5897 (compute_data_dependences_for_loop): Adjust call to
5898 compute_all_dependences.
5900 2006-04-01 Roger Sayle <roger@eyesopen.com>
5901 Richard Henderson <rth@redhat.com>
5903 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5904 gimple_boolify on the condition before calling gimplify_expr.
5906 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5908 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5909 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5910 the frame size. Update to use the new macros.
5911 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5912 * config/xtensa/ieee754-df.S: Likewise.
5914 2006-03-31 Richard Henderson <rth@redhat.com>
5916 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5917 (make_edges): ... here. Control fallthru creation with a local
5918 variable. Do not play with fake edges.
5919 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5920 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5923 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5925 * dwarf2.h (DW64_CIE_ID): Define.
5926 * dwarf2out.c (DWARF_CIE_ID): Define.
5927 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5928 length header. Use DWARF_CIE_ID.
5929 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5930 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5932 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5934 * config/sh/linux-atomic.asm: New file.
5935 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5937 2006-03-31 DJ Delorie <dj@redhat.com>
5939 * config/m32c/cond.md: Set condition flags properly throughout.
5940 * config/m32c/minmax.md: Likewise.
5941 * config/m32c/prologue.md: Likewise.
5942 * config/m32c/bitops.md: Likewise.
5943 * config/m32c/muldiv.md: Likewise.
5944 * config/m32c/mov.md: Likewise.
5945 * config/m32c/addsub.md: Likewise.
5946 * config/m32c/m32c.md: Likewise.
5947 * config/m32c/jump.md: Likewise.
5948 * config/m32c/shift.md: Likewise.
5950 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5951 conditionally output the pattern for this.
5952 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5953 (m32c_compare_redundant): New.
5954 (m32c_output_compare): New.
5955 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5957 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5958 dest, not src. Allow other 4-byte modes.
5960 2006-03-30 Denis Chertykov <denisc@overta.ru>
5962 * doc/md.texi: Refer to avr/constraints.md instead of
5965 2006-03-30 Roger Sayle <roger@eyesopen.com>
5967 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5968 signed vs. unsigned comparison failures on some hosts.
5970 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5973 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5974 change to FLOAT_REGS.
5976 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5977 (rs6000_override_options): Use it.
5978 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5979 only for -mabi=spe/no-spe and -mabi=altivec.
5981 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5983 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5986 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5988 * Makefile.in: Rename docdir to gcc_docdir.
5990 2006-03-30 Roger Sayle <roger@eyesopen.com>
5993 * expr.c (emit_group_store): Optimize group stores into a pseudo
5994 register by using a paradoxical subreg to initialize the destination
5995 if the first or last member of the group specifies a "low part".
5997 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6000 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6001 * target.h (struct gcc_target.speculate_insn): Change type of the
6002 second parameter to 'int'.
6003 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6004 the second operand of the DEPS_LIST.
6005 (copy_DEPS_LIST_list): Update reference to the second operand of the
6007 * rtl.h (alloc_DEPS_LIST): Update signature.
6008 * sched-int.h (ds_t): Change typedef to 'int'.
6009 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6011 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6013 * haifa-sched.c (try_ready): Change condition to restore
6014 non-speculative pattern of the instruction.
6015 (process_insn_depend_be_in_spec): Code to keep probability of the
6016 speculative dependence non-decreasing.
6018 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6020 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6021 (single_move_for_movmem): ... this. Also change all uses.
6022 (bfin_expand_strmov): Renamed to...
6023 (bfin_expand_movmem): ... this. Also change all uses.
6024 * config/bfin/bfin.md (movstrsi): Renamed to...
6025 (movstrsi): ...this.
6027 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6029 PR tree-optimization/26830
6031 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6032 (copy_prop_visit_stmt): Remove write-only variable ann.
6033 (init_copy_prop): Check variable loop depth here. Do not simulate
6034 memory-tag and virtual operand PHIs except for store copy prop.
6036 2006-03-30 Richard Guenther <rguenther@suse.de>
6038 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6039 variants with double arguments.
6041 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6043 * genpreds.c (write_tm_constrs_h): Delete variable p.
6044 * genconditions.c (write_header): Add tm-constrs.h to included
6046 * genpeep.c (main): Add toplev.h to included headers.
6047 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6048 (build/genpeep.o): Add toplev.h dependency.
6049 * config/rs6000/constraints.md: Add "W" constraint.
6051 2006-03-29 Roger Sayle <roger@eyesopen.com>
6053 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6054 sizes by correctly testing whether the size fits a host integer.
6055 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6056 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6057 SImode range for the default sizetype and bitsizetype.
6059 2006-03-29 Roger Sayle <roger@eyesopen.com>
6061 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6062 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6063 quickly if the argument is already of the correct type.
6064 Call fold_build1 instead of build1. Tidy up blank lines.
6066 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6068 * genemit.c (main): Add tm-constrs.h to included headers.
6069 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6070 * genpeep.c (main): Add tm-constrs.h to included headers.
6071 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6072 (write_tm_constrs_h): this and write complete file.
6073 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6074 (write_insn_preds_c): Add tm-constrs.h to included headers.
6075 (gen_constrs): New variable.
6076 (parse_option): Parse "-c".
6077 (main): Invoke write_tm_constrs_h.
6078 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6079 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6080 (object_out_file): Add tm-constrs.h dependency.
6081 (insn-emit.o): Same.
6082 (insn-output.o): Same.
6083 (insn-peep.o): Same.
6084 (insn-preds.o): Same.
6085 (insn-recog.o): Same.
6086 (tm-constsr.h): New target.
6087 (s-constrs-h): New target.
6089 * config/rs6000/constraints.md: New file.
6090 * config/rs6000/rs6000.c: Include tm-constrs.h.
6091 (num_insn_constant_wide): Convert to satisfies_constraint.
6092 (rs6000_rtx_costs): Convert to satisfies_constraint.
6093 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6094 (CONST_OK_FOR_LETTER_P): Delete.
6095 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6096 (EXTRA_CONSTRAINT): Delete.
6097 (EXTRA_MEMORY_CONSTRAINT): Delete.
6098 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6099 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6100 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6101 satisfies_constraint.
6103 * config/i386/i386.c: Include tm-constrs.h.
6105 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6107 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6108 * tree-data-ref.c (find_data_references_in_loop,
6109 compute_data_dependences_for_loop): Use pointers to VEC.
6110 (analyze_all_data_dependences): Adjust calls.
6111 * tree-data-ref.h (find_data_references_in_loop,
6112 compute_data_dependences_for_loop): Adjust declarations.
6113 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6114 compute_data_dependences_for_loop.
6116 2006-03-29 Paul Brook <paul@codesourcery.com>
6118 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6121 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6123 PR tree-optimization/26859
6124 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6126 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6127 for the step after fold_convert.
6129 2006-03-29 Paul Brook <paul@codesourcery.com>
6131 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6132 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6134 2006-03-29 Paul Brook <paul@codesourcery.com>
6137 * targhooks.c (default_narrow_bitfield): New fuction.
6138 * targhooks.h (default_narrow_bitfield): add prototype.
6139 * target.h (gcc_target): Add narrow_volatile_bitfield.
6140 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6141 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6142 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6143 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6145 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6147 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6149 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6150 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6151 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6152 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6153 (s390_function_arg_float): Allow SDmode and DDmode values to be
6154 passed in floating point registers.
6155 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6156 check with SCALAR_FLOAT_MODE_P.
6157 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6159 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6161 PR tree-optimization/25985
6162 * tree-ssa-loop-niter.c (number_of_iterations_le,
6163 number_of_iterations_ne): Make comments more precise.
6164 (number_of_iterations_cond): Add only_exit argument. Use the
6165 fact that signed variables do not overflow only when only_exit
6167 (loop_only_exit_p): New.
6168 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6169 number_of_iterations_cond.
6171 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6173 PR tree-optimization/26643
6174 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6177 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6179 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6180 (divsi3_i4_int): Likewise.
6182 2006-03-28 Roger Sayle <roger@eyesopen.com>
6184 * expr.c (emit_group_store): Only create a new pseudo reg if the
6185 quantity it needs to hold isn't already a suitable pseudo.
6187 2006-03-28 Jeff Law <law@redhat.com>
6189 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6190 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6192 2006-03-28 Roger Sayle <roger@eyesopen.com>
6194 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6195 the equivalent ~X & Y, and the symmetry related transformations.
6196 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6197 ~X & Y, and symmetry related transforms.
6199 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6201 Revert my 2006-03-27 patches.
6203 2006-03-28 Roger Sayle <roger@eyesopen.com>
6205 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6206 ~(T1)X, when T1 and T2 are integer types of the same precision
6207 and (T2)X isn't an extension.
6209 2006-03-28 Jeff Law <law@redhat.com>
6211 PR tree-optimization/26796
6212 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6213 need EH edge cleanups rather than purging them immediately.
6214 (eliminate_degenerate_phis): Handle queued EH cleanups.
6216 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6218 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6221 2006-03-27 Roger Sayle <roger@eyesopen.com>
6224 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6225 cast BIT_NOT_EXPR operand to the correct type.
6227 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6229 * tree-loop-linear.c: Don't include varray.h.
6230 (gather_interchange_stats, try_interchange_loops,
6231 linear_transform_loops): Use VEC instead of VARRAY.
6232 * lambda-mat.c: Don't include varray.h.
6233 * tree-chrec.c: Same.
6234 * lambda-trans.c: Same.
6235 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6236 VEC instead of VARRAY.
6237 * tree-vectorizer.h: Idem.
6238 * tree-data-ref.c (dump_data_references,
6239 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6240 initialize_data_dependence_relation, finalize_ddr_dependent,
6241 compute_all_dependences, find_data_references_in_loop,
6242 compute_data_dependences_for_loop, analyze_all_data_dependences,
6243 free_dependence_relation, free_dependence_relations,
6244 free_data_refs): Idem.
6245 * tree-data-ref.h (data_reference_p, subscript_p): New.
6246 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6247 VEC instead of VARRAY.
6248 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6249 (find_data_references_in_loop, compute_data_dependences_for_loop,
6250 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6251 dump_data_dependence_relations, free_dependence_relations,
6252 free_data_refs): Adjust declaration.
6253 (lambda_transform_legal_p): Move declaration here...
6254 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6255 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6256 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6257 vect_analyze_data_refs): Use VEC instead of VARRAY.
6258 * lambda.h (lambda_transform_legal_p): ...from here.
6259 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6260 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6261 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6262 tree-chrec.o): Don't depend on VARRAY_H.
6264 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6266 * rtl.def (Copyright): Update date.
6267 (DEPS_LIST): Change type of the second operand to 'int'.
6268 * target.h (Copyright): Update date.
6269 (struct gcc_target.speculate_insn): Change type of the second parameter
6271 * lists.c (Copyright): Update date.
6272 (alloc_DEPS_LIST): Change signature. Update reference to the second
6273 operand of the DEPS_LIST.
6274 (copy_DEPS_LIST_list): Update reference to the second operand of the
6276 * rtl.h (Copyright): Update date.
6277 (alloc_DEPS_LIST): Update signature.
6278 * sched-int.h (Copyright): Update date.
6279 (ds_t): Change typedef to 'int'.
6280 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6282 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6284 * haifa-sched.c (Copyright): Update date.
6285 (try_ready): Change condition to restore non-speculative pattern
6287 (process_insn_depend_be_in_spec): Code to keep probability of the
6288 speculative dependence non-decreasing.
6290 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6292 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6293 shut up the compiler.
6295 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6297 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6298 to use lib prefix for target.
6299 ($(T)libic_invalidate_array_4-200.a): Likewise.
6300 ($(T)libic_invalidate_array_4a.a): Likewise.
6302 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6303 J"orn Rennecke <joern.rennecke@st.com>
6305 * superh.opt: New file.
6306 * sh.c (boardtype, osruntime): Remove.
6307 * superh.h (SUBTARGET_OPTIONS): Remove.
6308 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6310 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6311 arguments with ^ and/or [].
6313 * config.gcc (sh-*-*): Add quoting to account for quirk of
6315 Replace == with = in enable_incomplete_targets test.
6317 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6318 with MASK_LITTLE_ENDIAN.
6320 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6321 * config/sh/sh.opt: Added to some comments.
6322 * config/sh/superh.h: Removed some chaff.
6324 * config/sh/sh.opt: Add m4-[1234]00* options.
6325 * config/sh/sh.c (sh_handle_option): Likewise.
6326 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6327 (ic_invalidate_array_4-100.o): New rule.
6328 ($(T)libic_invalidate_array_4-100.a): Likewise.
6329 (ic_invalidate_array_4-200.o): Likewise.
6330 ($(T)libic_invalidate_array_4-200.a): Likewise.
6331 (ic_invalidate_array_4a.o): Likewise.
6332 ($(T)libic_invalidate_array_4a.a): Likewise.
6333 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6334 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6336 * config/sh/crt1.asm: Merged in profiling code.
6337 * config/sh/superh.h (STARTFILE_SPEC): Override.
6338 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6339 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6340 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6342 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6343 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6344 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6346 * sh.opt (mpretend-cmove): New option.
6347 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6348 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6349 (movsicc): Add TARGET_PRETEND_CMOVE code.
6351 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6353 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6354 s390_class_max_nregs): New function prototypes.
6355 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6356 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6357 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6358 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6360 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6362 * dwarf2out.c (add_location_or_const_value_attribute): Call
6363 tree_add_const_value_attribute if nothing else works.
6364 (reference_to_unused): New.
6365 (rtl_for_decl_init): Use reference_to_unused to decide whether
6366 to output an initializer.
6368 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6371 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6372 peephole removing spe frob_di_df_2.
6374 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6376 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6377 (subscript_dependence_tester_1): Declared.
6378 (print_dir_vectors, print_dist_vectors): New.
6379 (debug_data_dependence_relation): New.
6380 (dump_data_dependence_relation): Print more details.
6381 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6382 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6383 (save_dist_v, save_dir_v, add_outer_distances,
6384 build_classic_dist_vector_1): New.
6385 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6386 Don't test for lambda_vector_lexico_pos.
6387 (same_access_functions, add_multivariate_self_dist,
6388 add_other_self_distances, dir_from_dist): New.
6389 (build_classic_dir_vector): Replace implementation almost identical to
6390 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6392 (subscript_dependence_tester_1): New.
6393 (subscript_dependence_tester): Handle the lexicographically negative
6394 distance vectors by recomputing the dependence relation.
6395 (compute_affine_dependence): Remove parameter loop_nest_depth.
6396 (compute_self_dependence): Don't call compute_subscript_distance.
6397 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6398 Add a parameter for the loop_nest.
6399 (find_loop_nest_1, find_loop_nest): New.
6400 (compute_data_dependences_for_loop): Compute the loop nest, and give
6401 up if the nest is not well formed.
6402 * tree-data-ref.h (loop_p): New.
6403 (struct data_dependence_relation): Replace size_vect field with
6404 loop_nest, a vec of loops.
6405 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6406 (DDR_LOOP_NEST): New.
6407 (print_dir_vectors, print_dist_vectors,
6408 debug_data_dependence_relation): Declared.
6409 (index_in_loop_nest): New.
6410 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6411 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6414 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6416 * simplify-rtx.c (simplify_relational_operation): Call
6417 simplify_relational_operation_1 even if mode is VOIDmode.
6419 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6421 PR tree-optimization/26804
6422 * tree.h (DECL_CALL_CLOBBERED): New macro.
6423 (tree_decl_common): Add call_clobbered_flag.
6424 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6425 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6426 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6427 (mark_non_addressable): Ditto.
6428 * tree-ssa.c (verify_call_clobbered): New function.
6429 (verify_alias_info): Use it.
6430 * tree-pass.h (pass_reset_cc_flags): New prototype.
6431 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6432 (reset_cc_flags): New function.
6433 * passes.c (init_optimization_passes): Call reset_cc_flags after
6434 initializing referenced_vars.
6436 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6437 Roger Sayle <roger@eyesopen.com>
6440 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6441 to 1.0 for non-real operands. Implement A / A optimization for
6444 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6446 * config/i386/i386.c (size_cost): Correct the comment for
6447 cost of storing fp registers.
6448 (i386_cost): Likewise.
6449 (i486_cost): Likewise.
6450 (pentium_cost): Likewise.
6451 (pentiumpro_cost): Likewise.
6452 (k6_cost): Likewise.
6453 (athlon_cost): Likewise.
6454 (k8_cost): Likewise.
6455 (pentium4_cost): Likewise.
6456 (nocona_cost): Likewise.
6457 (generic64_cost): Likewise.
6458 (generic32_cost): Likewise.
6460 2006-03-24 Denis Chertykov <denisc@overta.ru>
6462 * config/avr/avr-protos.h (extra_constraint): Delete.
6463 (extra_constraint_Q): New declaration.
6464 * config/avr/constraints.md: New file.
6465 * config/avr/avr.md: Include it.
6466 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6467 (TMP_REGNO, ZERO_REGNO): Likewise.
6468 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6469 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6470 (extra_constraint): Delete.
6471 (extra_constraint_Q): Test for memory constraint 'Q'.
6472 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6473 (REG_CLASS_FROM_LETTER): Delete.
6474 (CONST_OK_FOR_LETTER_P): Delete.
6475 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6476 (EXTRA_CONSTRAINT): Delete.
6477 (TMP_REGNO): Delete.
6478 (ZERO_REGNO): Delete.
6480 2006-03-24 Jeff Law <law@redhat.com>
6482 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6483 directly. Call mark_new_vars_to_rename slightly earlier.
6485 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6487 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6489 (gen_compile_unit_die): Use new language types for Objective-C and
6491 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6492 DW_LANG_C_plus_plus.
6495 * config/t-darwin (crt3.o): Work around bug 26840.
6496 * config/darwin-crt3.c: Rewrite.
6497 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6499 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6501 * doc/invoke.texi: Document -femit-class-debug-always
6502 * common.opt: Add -femit-class-debug-always.
6504 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6506 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6507 index and base register.
6508 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6509 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6510 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6511 REGNO_OK_FOR_INDEX_P.
6512 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6514 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6515 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6516 REG_OK_FOR_BASE_P): Definitions removed.
6518 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6521 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6522 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6523 set yet or weren't marked as local yet.
6525 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6527 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6530 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6532 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6533 (rs6000_legitimate_small_data_p): Delete.
6534 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6535 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6536 and make static. Add forward declaration. Update uses.
6537 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6538 of offsettable_memref_p.
6539 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6540 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6542 2006-03-24 Jeff Law <law@redhat.com>
6544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6545 around bug in immediate-use iterator.
6547 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6550 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6551 or __LITTLE_ENDIAN__.
6553 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6555 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6556 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6557 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6558 * config/sh/sh.opt (mdiv=): Amend description.
6559 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6560 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6561 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6562 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6563 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6564 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6565 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6566 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6567 TARGET_DIVIDE_CALL_FP.
6569 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6571 * haifa-sched.c (choose_ready): Fix type of the local variable.
6572 Move local variables. Add comment.
6573 (check_reg_live): Change signature. Make callable from debugger.
6574 * sched-int.h (check_reg_live): Update signature.
6575 * sched-ebb.c (check_reg_live): Update parameters.
6576 * sched-rgn.c (check_reg_live): Ditto.
6577 (region_head_or_leaf_p): Check pointer before dereferencing.
6578 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6579 before reload on optimization levels below 1.
6581 2006-03-23 Richard Henderson <rth@redhat.com>
6583 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6587 * config/alpha/predicates.md (local_symbolic_operand): Reject
6590 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6593 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6594 expressions which have overflowed constants.
6596 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6598 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6600 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6602 * cfgloopmanip.c (create_loop_notes): Removed.
6603 * final.c (final_scan_insn): Do not handle loop notes.
6604 * jump.c (squeeze_notes): Ditto.
6605 * cfglayout.c (skip_insns_after_block,
6606 duplicate_insn_chain): Ditto.
6607 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6609 * cfgloop.h (create_loop_notes): Declaration removed.
6611 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6613 * varasm.c (output_constant_pool): Restore fnname and fndecl
6615 (assemble_start_function): Adjust call accordingly.
6616 (assemble_end_function): Likewise.
6618 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6621 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6624 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6626 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6629 * system.h (ICE_EXIT_CODE): New macro.
6630 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6631 (diagnostic_action_after_output): Likewise.
6632 * gcc.c (fatal_ice): New function.
6633 (execute): Use it instead of fatal.
6634 (fancy_abort): Likewise.
6635 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6637 2006-03-22 Jeff Law <law@redhat.com>
6639 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6640 iv_analyze_result returning false.
6642 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6644 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6646 2006-03-22 Richard Henderson <rth@redhat.com>
6649 * except.c (duplicate_eh_regions_0): New.
6650 (duplicate_eh_region_1): Duplicate the children of the node as
6651 well as the node itself. Link them up properly.
6652 (duplicate_eh_region_2): Merge into ...
6653 (duplicate_eh_regions): ... here. Take copy_region argument, and
6654 copy only a sub-tree if asked. Simplify copying and fixup.
6655 (eh_region_outer_p): New.
6656 * except.h (duplicate_eh_regions): Update decl.
6657 (eh_region_outer_p): Declare.
6658 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6659 (lower_omp_master): Likewise.
6660 (lower_omp_ordered): Likewise.
6661 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6662 (move_stmt_r): Use it to remap labels. Handle recursion vs
6663 remap_decls_p properly.
6664 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6665 (find_outermost_region_in_block): New.
6666 (new_label_mapper): New.
6667 (move_sese_region_to_fn): Copy eh information to the new function
6669 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6671 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6674 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6676 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6677 into shared libraries.
6679 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6681 * doc/md.texi: Refer to i386/constraints.md instead of
6683 * config/i386/constraints.md: New file, extracted from...
6684 * config/i386/predicates.md: ...here.
6685 * config/i386/i386.md: Include constraints.md.
6687 2006-03-21 Jason Merrill <jason@redhat.com>
6689 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6692 * expr.c (init_block_move_fn): Force default visibility.
6693 (init_block_clear_fn): Likewise.
6694 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6695 * targhooks.c (default_external_stack_protect_fail): Likewise.
6697 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6699 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6700 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6701 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6702 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6703 (loadgp): Use mips_current_loadgp_style.
6704 (loadgp_noshared): New pattern.
6705 (sibcall_internal): Use MIPS_CALL.
6706 (sibcall_value_internal): Likewise.
6707 (sibcall_value_multiple_internal): Likewise.
6708 (call_internal): Likewise.
6709 (call_value_internal): Likewise.
6710 (call_value_multiple_internal): Likewise.
6711 (call_split): Use MIPS_CALL and add an 'S' constraint.
6712 (call_value_split): Likewise.
6713 (call_value_multiple_split): Likewise.
6714 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6715 (-mshared): New option.
6716 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6717 (mips_current_loadgp_style): Declare.
6718 * config/mips/mips.c (mips_classify_symbol): Avoid using
6719 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6720 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6721 TARGET_ABSOLUTE_ABICALLS.
6722 (override_options): Adjust comments. Improve the warning that is
6723 issued when -mabicalls and -G are used together.
6724 (mips_file_start): Remove comment.
6725 (mips_current_loadgp_style): New function.
6726 (mips_gnu_local_gp): New variable.
6727 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6729 (mips_output_function_prologue): Use mips_current_laodgp_style.
6730 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6731 the cprestore instruction.
6732 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6733 live for TARGET_ABSOLUTE_ABICALLS.
6734 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6735 (ASM_SPEC): Pass down -mshared and -mno-shared.
6736 (MIPS_CALL): New macro.
6737 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6739 * doc/invoke.texi (-mabicalls): Update documentation.
6740 (-mshared): Document.
6742 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6744 * config/ia64/unwind-hpux.c: New file.
6745 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6747 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6750 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6752 2006-03-21 Jeff Law <law@redhat.com>
6754 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6755 type conversions of a VR_VARYING source to a wider type.
6757 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6759 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6760 tm_file on Solaris 10 and later.
6761 (sparc64-*-solaris2*): Likewise.
6762 (sparc-*-solaris2*): Likewise.
6763 * config/sol26.h: Rename to config/sol2-6.h.
6764 * config/sol2-10.h: New file.
6766 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6769 * tree-ssa-pre.c (create_component_ref_by_pieces):
6772 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6775 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6776 return it immediately.
6778 2006-03-21 Michael Matz <matz@suse.de>
6780 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6782 (remove_arc, add_arc): Update num_out_arcs member.
6783 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6785 (cache_presence): New function.
6786 (compare_states_for_equiv): New function.
6787 (state_is_differed): Don't take number of outargs, adjust callers.
6788 Use new invariant for speeding up.
6789 (init_equiv_class): Create initial classes based on sorted
6791 (partition_equiv_class): Don't track out_arcs_num.
6792 (evaluate_equiv_classes): Call cache_presence on all states and
6795 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6797 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6798 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6799 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6800 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6802 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6803 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6804 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6805 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6806 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6808 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6809 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6810 (REGNO_REG_CLASS): ARGP is in PREGS.
6811 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6813 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6814 to deal with those addresses.
6815 * addresses.h: New file.
6816 * caller-save.c: Include "addresses.h".
6817 (init_caller_save): Use new base_reg_class function.
6818 * rtl-factoring.c: Include "addresses.h".
6819 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6820 * recog.c: Include "addresses.h".
6821 (preprocess_constraints): Use new base_reg_class function.
6822 * regrename.c: Include "addresses.h".
6823 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6824 functions. Keep track of a new var INDEX_CODE to compute valid
6826 (replace_oldest_value_addr): Likewise.
6827 (replace_oldest_value_mem): Use base_reg_class.
6828 * reload.c: Include "addresses.h".
6829 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6830 (find_reloads): Use new base_reg_class function.
6831 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6832 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6833 all callers and prototype changed.
6834 * reload1.c: Include "addresses.h".
6835 (maybe_fix_stack_asms): Use base_reg_class.
6836 * regclass.c: Include "addresses.h".
6837 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6838 (init_reg_autoinc): Use new base_reg_class function.
6839 (record_reg_classes): Likewise.
6840 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6841 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6842 Use new args to compute necessary class.
6844 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6845 regrename.o, rtl-factoring.o): Update dependencies.
6846 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6847 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6848 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6849 REG_OK_FOR_INDEX_P): Delete documentation.
6851 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6853 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6854 from V7 to V9 for Solaris 7 and above.
6856 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6858 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6859 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6860 argument pointers may not alias any other storage.
6861 * common.opt: Define option -fargument-noalias-anything.
6862 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6863 alias semantics is specified by flag_argument_noalias > 2.
6865 2006-03-20 Jeff Law <law@redhat.com>
6867 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6868 (pass_phi_only_cprop): Declare.
6869 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6871 * tree-ssa-dom.c (degenerate_phi_result): New function.
6872 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6873 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6874 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6875 (eliminate_degenerate_phis): Likewise.
6876 (pass_phi_only_cprop): New pass descriptor.
6877 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6878 support code. Callers updated.
6879 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6880 (store_copy_prop): Likewise.
6881 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6883 2006-03-20 Jason Merrill <jason@redhat.com>
6886 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6887 (push_visibility, pop_visibility): Likewise.
6888 * c-pragma.h: Declare them.
6890 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6892 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6894 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6895 parameter and use get_ebb_head_tail.
6896 (sh_md_init_global): Adjust uses of find_regmode_weight.
6898 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6900 * function.h (struct function) <x_tail_recursion_reentry>:
6901 Rename to x_stack_check_probe_note.
6902 (tail_recursion_reentry): Rename to stack_check_probe_note.
6903 * function.c: Replace tail_recursion_reentry with
6904 stack_check_probe_note everywhere.
6905 (expand_function_start): Only emit a note for
6906 stack_check_probe_note with -fstack-protect.
6907 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6909 * emit-rtl.c (remove_unnecessary_notes): Remove.
6910 (pass_remove_unnecessary_notes): Remove.
6911 * rtl.h (remove_unnecessary_notes): Remove prototype.
6912 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6913 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6914 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6916 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6919 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6920 (valid_in_set): Handle ARRAY_REF.
6921 Change "if min_variant or VH" to asserts.
6922 (create_component_ref_by_pieces): Handle ARRAY_REF.
6923 (create_expression_by_pieces): Likewise.
6924 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6926 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6928 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6929 is operand of switch, not str[0].
6931 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6933 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6934 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6936 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6938 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6939 end of insn_extra_address_constraint declaration.
6941 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6943 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6944 (no-sum-in-toc): Same.
6945 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6947 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6948 NO_FP_IN_TOC for -fPIC instead of mask.
6950 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6951 (BOOT_LDFLAGS): Delete.
6953 * config/rs6000/t-aix52: Same.
6955 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6956 (stmsi[345678]_power): New.
6958 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6960 * config/ia64/ia64.opt: Add empty line to end of file.
6962 2006-03-17 Richard Guenther <rguenther@suse.de>
6965 * builtins.c (get_pointer_alignment): For component style references
6966 adjust alignment to the component type alignment. Make sure
6967 to adjust alignment for component access of constants.
6969 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6971 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6974 2006-03-17 Paul Brook <paul@codesourcery.com>
6976 * doc/install.texi: Docuemnt --with-mode.
6977 * config.gcc: Add --with-mode for arm*-*-*.
6978 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6980 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6982 * sh.c (max_labelno_before_reorg): New variable.
6983 (sh_reorg): Initialize it.
6984 (find_barrier): Check max_labelno_before_reorg before using
6985 label_to_alignment. Take length of explicit alignment insns
6986 into account. When seeing a UNSPECV_CONST_END, return it.
6988 * sh.c (fixup_mova): Set mode of affected label to QImode.
6989 (untangle_mova): New function.
6990 (find_barrier): Use it. Check mode of label before decrementing
6992 (sh_reorg): Likewise.
6993 Set mode of all insns back to VOIDmode.
6995 * sh.c (MOVA_LABELREF): New macro.
6996 (mova_p, fixup_mova, sh_reorg): Use it.
6997 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6998 ADDR_DIFF_VEC matches mova.
7000 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7002 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7003 with ATTRIBUTE_UNUSED.
7005 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7007 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7008 pointer, instead of assuming it is possible to derive the
7009 correct args size from a call insn.
7011 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7013 * rtl.h (CONST_INT_P): Define.
7014 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7015 instead of GET_CODE(x) == CONST_INT.
7016 (vax_rtx_costs): Likewise.
7017 (vax_output_int_move): Likewise.
7018 (vax_output_int_add): Likewise.
7019 (legitimate_constant_address_p): Likewise.
7020 (index_term_p): Likewise.
7021 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7022 * config/vax/vax.md (and<mode>3): Likewise.
7023 (ashrsi3): Likewise.
7025 (movstricthi): Likewise.
7026 (movstrictqi): Likewise.
7027 (rotrsi3): Likewise.
7028 (five unnamed insns): Likewise.
7030 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7032 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7033 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7034 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7035 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7036 Pass to ASM_OUTPUT_DWARF_OFFSET.
7037 * dwarf2out.c (debug_frame_section): New.
7038 (output_call_frame_info): Use debug_frame_section. Pass it to
7039 dw2_asm_output_offset.
7040 (output_die): Pass appropriate section to dw2_asm_output_offset.
7041 (output_compilation_unit_header): Likewise.
7042 (output_pubnames): Likewise.
7043 (output_aranges): Likewise.
7044 (enum dw_val_class): Break dw_val_class_lbl_offset into
7045 dw_val_class_lineptr and dw_val_class_macptr.
7046 (add_AT_lbl_offset): Delete.
7047 (add_AT_lineptr): New.
7048 (add_AT_macptr): New.
7049 (AT_lbl): Expect a lineptr or macptr.
7050 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7051 (attr_checksum): Likewise.
7052 (same_dw_val_p): Likewise.
7053 (size_of_die): Likewise.
7054 (value_format): Likewise.
7055 (output_die): Likewise.
7056 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7058 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7059 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7060 * config/darwin-protos.h (darwin_file_start): New.
7061 (darwin_asm_output_dwarf_offset): New.
7062 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7063 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7065 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7066 if not EH section; simplify.
7067 (darwin_file_start): New.
7068 (darwin_asm_output_dwarf_offset): New.
7069 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7071 (DEBUG_INFO_SECTION): Likewise.
7072 (DEBUG_ABBREV_SECTION): Likewise.
7073 (DEBUG_ARANGES_SECTION): Likewise.
7074 (DEBUG_MACINFO_SECTION): Likewise.
7075 (DEBUG_LINE_SECTION): Likewise.
7076 (DEBUG_LOC_SECTION): Likewise.
7077 (DEBUG_PUBNAMES_SECTION): Likewise.
7078 (DEBUG_STR_SECTION): Likewise.
7079 (DEBUG_RANGES_SECTION): Likewise.
7080 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7081 (ASM_OUTPUT_DWARF_OFFSET): New.
7083 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7085 * config.gcc (tm_defines): Always add to previous value rather
7088 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7090 * config/mips/predicates.md (splittable_const_int_operand): New,
7091 split from move_operand.
7092 (splittable_symbolic_operand): New.
7093 (move_operand): Add commentary. Use splittable_const_int_operand.
7094 Inline mips_atomic_symbolic_constant_p.
7095 * config/mips/mips.md: Add combine splitters for handling moves
7096 of splittable_const_int_operands and splittable_symbolic_operands.
7097 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7098 (mips_split_symbol): Declare.
7099 (mips_move_integer): Declare.
7100 * config/mips/mips.c (mips_split_p): Make global.
7101 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7102 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7103 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7104 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7105 (mips_offset_within_object_p): Handle block symbols.
7106 (mips_atomic_symbolic_constant_p): Delete.
7107 (mips_cannot_force_const_mem): Return false for constants that
7108 mips_legitimize_move can handle.
7109 (mips_use_blocks_for_constant_p): New function.
7110 (mips_split_symbol): Make global.
7111 (mips_move_integer): Likewise. Add a temporary register argument.
7112 (mips_legitimize_const_move): Use splittable_const_int_operand and
7113 splittable_symbolic_operand.
7114 (mips_use_anchors_for_symbol_p): New function.
7115 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7116 (mips_split_p): Declare.
7118 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7120 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7121 (mips*-*-linux*): Likewise.
7123 2006-03-16 Roger Sayle <roger@eyesopen.com>
7124 Daniel Speyer <dspeyer@wam.umd.edu>
7127 * tree-dump.c (dump_real): New function.
7128 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7129 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7130 (tree-dump.o): Add $(REAL_H) to the dependencies.
7132 2006-03-16 Roger Sayle <roger@eyesopen.com>
7135 * real.c (real_from_string): If the mantissa is zero, don't bother
7136 parsing the exponent as the result should always be zero.
7138 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7140 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7142 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7144 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7145 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7146 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7147 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7148 ia64_sched_finish_global): New static functions to implement
7149 hooks from gcc_target.sched.
7150 (spec_check_no, max_uid, pending_data_specs): New static variables.
7151 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7152 ia64_spec_check_src_p): New static functions.
7153 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7154 (TARGET_SCHED_ADJUST_COST): Removed.
7155 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7156 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7157 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7158 TARGET_SCHED_GEN_CHECK,
7159 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7160 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7161 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7162 Fixed to handle speculation checks.
7163 (rtx_needs_barrier): Fixed to handle speculative loads and
7165 (ia64_variable_issue): Added code to count speculative loads and their
7167 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7169 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7171 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7173 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7174 (ia64_reorg): Reset stops_p to NULL after it is freed.
7175 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7176 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7177 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7179 (data_speculative, control_speculative, check_load): New attributes.
7180 (mov<mode>_advanced, mov<mode>_speculative,
7181 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7182 zero_extend<mode>di2_speculative,
7183 zero_extend<mode>di2_speculative_advanced): New patterns for
7184 data and control speculative loads.
7185 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7187 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7188 New pattern for data and control speculation checks.
7189 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7190 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7191 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7192 Auxiliary definitions for the patterns.
7193 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7194 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7196 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7198 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7199 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7200 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7201 New resource constraints.
7202 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7204 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7205 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7206 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7207 msched-in-control-spec, msched-ldc, msched-control-ldc,
7208 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7209 msched-prefer-non-control-spec-insns,
7210 msched-count-spec-in-critical-path): New flags to tune speculative
7212 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7213 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7214 msched-in-control-spec, msched-ldc, msched-control-ldc,
7215 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7216 msched-prefer-non-control-spec-insns,
7217 msched-count-spec-in-critical-path): Document new flags.
7219 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7221 * target.h (struct spec_info_def): New opaque declaration.
7222 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7223 speculate_insn, needs_block_p, gen_check,
7224 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7225 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7226 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7227 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7228 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7229 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7231 (TARGET_SCHED): Use new macros.
7232 * rtl.h (copy_DEPS_LIST_list): New prototype.
7233 * sched-int.h (struct sched_info): Change signature of new_ready field,
7234 adjust all initializations. New fields: add_remove_insn,
7235 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7236 region_head_or_leaf_p.
7237 (struct spec_info_def): New structure declaration.
7238 (spec_info_t): New typedef.
7239 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7240 recovery_block, orig_pat.
7241 (glat_start, glat_end): New variables declaraions.
7242 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7244 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7245 DETACH_LIFE_INFO, USE_GLAT.
7246 (enum SPEC_SCHED_FLAGS): New enumeration.
7247 (NOTE_NOTE_BB_P): New macro.
7248 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7249 attach_life_info, debug_spec_status, check_reg_live): New functions.
7250 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7251 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7253 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7254 * ddg.c (get_block_head_tail): Adjust all uses.
7255 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7256 (sms_sched_info): Initialize new fields.
7257 (contributes_to_priority): Removed.
7258 * haifa-sched.c (params.h): New include.
7259 (get_block_head_tail): Adjust all uses.
7260 (ISSUE_POINTS): New macro.
7261 (glat_start, glat_end): New global variables.
7262 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7263 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7264 old_last_basic_block, before_recovery, current_sched_info_var,
7265 rgn_n_insns, luid): New static variables.
7266 (insn_cost1): New function. Move logic from insn_cost to here.
7267 (find_insn_reg_weight1): New function. Move logic from
7268 find_insn_reg_weight to here.
7269 (reemit_notes, move_insn, max_issue): Change signature.
7270 (move_insn1): Removed.
7271 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7272 extend_bb): New static functions to support extension of scheduler's
7274 (generate_recovery_code, process_insn_depend_be_in_spec,
7275 begin_speculative_block, add_to_speculative_block,
7276 init_before_recovery, create_recovery_block, create_check_block_twin,
7277 fix_recovery_deps): New static functions to support
7278 generation of recovery code.
7279 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7280 restore_bb_notes, move_block_after_check, move_succs): New static
7281 functions to support ebb scheduling.
7282 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7283 functions to support handling of register live information.
7284 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7285 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7286 add_jump_dependencies): New static functions.
7287 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7288 consistancy checking.
7289 (debug_spec_status): New function to call from debugger.
7290 (priority): Added code to handle speculation checks.
7291 (rank_for_schedule): Added code to distinguish speculative instructions.
7292 (schedule_insn): Added code to handle speculation checks.
7293 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7294 Fixed to handle ebbs.
7295 (move_insn): Added code to handle ebb scheduling.
7296 (max_issue): Added code to use ISSUE_POINTS of instructions.
7297 (choose_ready): Added code to choose between speculative and
7298 non-speculative instructions.
7299 (schedule_block): Added code to handle ebb scheduling and scheduling of
7300 speculative instructions.
7301 (sched_init): Initialize new variables.
7302 (sched_finish): Free new variables. Print statistics.
7303 (try_ready): Added code to handle speculative instructions.
7304 * lists.c (copy_DEPS_LIST_list): New function.
7305 * sched-deps.c (extend_dependency_caches): New function. Move logic
7306 from create_dependency_caches to here.
7307 (get_dep_weak, ds_merge): Make global.
7308 * genattr.c (main): Code to output prototype for
7309 dfa_clear_single_insn_cache.
7310 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7311 (output_dfa_clean_insn_cache_func): Code to output
7312 dfa_clear_single_insn_cache function.
7313 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7315 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7317 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7318 New static variables.
7319 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7320 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7322 (ebb_sched_info): Initialize new fields.
7323 (get_block_head_tail): Adjust all uses.
7324 (compute_jump_reg_dependencies): Fixed to use glat_start.
7325 (schedule_ebb): Code to remove unreachable last block.
7326 (schedule_ebbs): Added code to update register live information.
7327 * sched-rgn.c (region_sched_info): Initialize new fields.
7328 (get_block_head_tail): Adjust all uses.
7329 (last_was_jump): Removed. Adjust users.
7330 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7331 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7332 Implement new hooks.
7333 (check_dead_notes1): New static function.
7334 (struct region): New fields: dont_calc_deps, has_real_ebb.
7335 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7336 (BB_TO_BLOCK): Fixed to handle EBBs.
7337 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7338 (ebb_head): New static variable.
7339 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7340 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7342 (compute_dom_prob_ps): New assertion.
7343 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7344 global_live_at_start.
7345 (init_ready_list): New assertions.
7346 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7347 (new_ready): Add support for BEGIN_CONTROL speculation.
7348 (schedule_insns): Fixed code that updates register live information
7350 (schedule_region): Fixed to handle EBBs.
7351 (init_regions): Use extend_regions and check_dead_notes1.
7352 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7353 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7354 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7355 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7356 TARGET_SCHED_GEN_CHECK,
7357 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7358 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7359 * doc/invoke.texi (max-sched-insn-conflict-delay,
7360 sched-spec-prob-cutoff): Document.
7362 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7364 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7365 inter_tick, queue_index.
7366 (struct sched_info): Change signature of init_ready_list field.
7367 Adjust all initializations.
7368 (RESOLVED_DEPS): New access macro.
7369 (ready_add): Remove prototype.
7370 (try_ready): Add prototype.
7371 * sched-rgn.c (init_ready_list): Use try_ready.
7372 (schedule_region): Initialize
7373 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7374 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7375 (init_ready_list): Use try_ready.
7376 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7377 * lists.c (remove_list_elem): Remove `static'.
7378 (remove_free_INSN_LIST_elem): New function.
7379 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7380 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7381 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7383 (readyp): New variable.
7384 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7385 change_queue_index, resolve_dep): New static functions.
7386 (try_ready): New function. Adjust callers in sched-rgn.c and
7387 sched-ebb.c to use it instead of ready_add.
7388 (clock_var): Move at the begining of file.
7389 (rank_for_schedule): Fix typo.
7390 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7391 (ready_lastpos): Enforce assertion.
7392 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7394 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7395 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7396 (queue_to_ready): Use free_INSN_LIST_list.
7397 (early_queue_to_ready): Fix typo.
7398 (schedule_block): Init readyp. Move init_ready_list call after the
7399 initialization of clock_var. Fix error in rejecting insn by
7400 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7401 that previously corrected INSN_TICKs. Add code for handling
7403 (set_priorities): Fix typo.
7404 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7405 Clarify comment and code that keeps current_sched_info->next_tail
7408 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7410 * sched-rgn.c (extend_rgns): New static function.
7411 (find_rgns): Use it.
7412 (gather_region_statistics, print_region_statistics): New static
7414 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7415 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7417 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7418 Andrey Belevantsev <abel@ispras.ru>
7420 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7421 * lists.c (unused_deps_list): New variable.
7422 (free_list): Add assertions to verify the proper distinguishing
7423 between INSN_LISTs and DEPS_LISTs.
7424 (find_list_elem, remove_list_elem, remove_list_node): New static
7426 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7427 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7428 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7429 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7431 (free_INSN_LIST_node): Likewise.
7432 * modulo-sched.c (current_sched_info): Initialize flags field.
7433 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7434 * rtl.def (DEPS_LIST): Define.
7435 * rtl.h: Declare new functions from lists.c.
7436 * sched-deps.c (spec_dependency_cache): New static variable.
7437 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7438 (add_dependence): Change return type to void. Move the logic to ...
7439 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7440 (delete_all_dependences): Add comment about forward_dependency_cache.
7441 Handle spec_dependency_cache. Handle DEPS_LISTs.
7442 (fixup_sched_groups): Clarify the change of priority of output
7443 and anti dependencies.
7444 (sched_analyze_2): Adjust add_dependence calls to create data
7445 speculative dependence.
7446 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7447 Adjust all callers. Handle DEPS_LISTS.
7448 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7449 presence of speculation.
7450 (init_dependency_caches, free_dependency_caches):
7451 Handle spec_dependency_cache.
7452 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7453 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7454 New static functions.
7455 (add_or_update_back_dep, add_or_update_back_forw_dep,
7456 add_back_forw_dep, delete_back_forw_dep): New functions.
7457 * sched-int.h (ds_t, dw_t): New typedefs.
7458 (struct sched_info): Add new field flags.
7459 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7460 Prototype new sched-deps.c functions.
7461 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7462 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7463 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7464 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7465 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7466 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7468 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7470 * sched-rgn.c (current_sched_info): Initialize flags field.
7471 (schedule_insns): Initialize current_sched_info before the sched_init
7473 * sched-ebb.c (current_sched_info): Initialize flags field.
7474 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7475 Call add_or_update_back_dep instead of add_dependence.
7476 Create control speculative dependencies.
7477 (schedule_insns): Initialize current_sched_info before the sched_init
7480 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7482 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7484 (sh_fallback_frame_state): Likewise.
7486 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7488 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7489 Do switch on default_use_cxa_atexit.
7490 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7491 * config/darwin-crt3.o: New.
7492 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7493 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7494 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7496 * config/rs6000/t-darwin: Move crt2.o building to here.
7497 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7498 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7501 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7503 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7504 from '! xxx' to '!xxx' for coding-style conformance.
7505 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7506 (EXTRA_CONSTRAINT): Likewise.
7507 * config/vax/vax.md (four unnamed insns): Likewise.
7509 2006-03-15 Paul Brook <paul@codesourcery.com>
7511 * config/arm/arm.c (minipool_pad): New.
7512 (add_minipool_forward_ref): Include pool alignment padding in address
7514 (push_minipool_fix): Set minipool_pad.
7515 (minipool_pad): Ditto.
7517 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7519 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7520 instead of GET_CODE() == MEM and REG_P() instead of
7522 (print_operand_address): Likewise.
7523 (vax_address_cost): Likewise.
7524 (vax_rtx_costs): Likewise.
7525 (vax_notice_update_cc): Likewise.
7526 (vax_output_int_add): Likewise.
7527 (INDEX_REGISTER_P): Likewise.
7528 (BASE_REGISTER_P): Likewise.
7529 (nonindexed_address_p): Likewise.
7530 (vax_mode_dependent_address_p): Likewise.
7531 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7532 (PRINT_OPERAND): Likewise.
7533 * config/vax/vax.md (ashlsi3): Likewise.
7534 (ashlsi3): Likewise.
7535 (some more unnamed insns): Likewise.
7537 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7539 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7540 iterator-style macro.
7541 (mark_control_dependent_edges_necessary): Update the use of
7542 EXECUTE_IF_CONTROL_DEPENDENT.
7544 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7546 * config/sh/predicates.md (cache_address_operand): Special.
7547 (ua_address_operand): Likewise.
7549 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7551 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7553 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7555 2006-03-15 Andreas Schwab <schwab@suse.de>
7557 * gensupport.c (identify_predicable_attribute): Don't free p_false
7558 when it is still in use.
7560 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7562 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7563 the default setting here.
7565 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7567 * tree-pass.h (pass_cfg): Remove.
7568 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7569 * passes.c (pass_cfg): Don't run it.
7571 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7573 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7574 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7576 (stack_regs_mentioned): Update the uses of
7577 stack_regs_mentioned_data. Don't access the array beyond its
7579 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7580 Don't include gt-reg-stack.h.
7582 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7583 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7585 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7588 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7591 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7593 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7595 2006-03-14 Richard Guenther <rguenther@suse.de>
7597 PR tree-optimization/26672
7598 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7601 2006-03-14 Richard Guenther <rguenther@suse.de>
7603 PR tree-optimization/26667
7604 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7605 node for the callees. Always allow inlining if it will shrink
7608 2006-03-14 Richard Guenther <rguenther@suse.de>
7611 * builtins.c (get_pointer_alignment): Prefer alignment
7612 information from decls over that from types.
7614 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7617 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7619 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7621 * config/rs6000/rs6000.opt (mdlmzb): New option.
7622 (msched-prolog, msched-epilog): Use Var not Mask.
7623 * doc/invoke.texi (-mdlmzb): Document.
7624 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7626 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7627 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7629 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7631 PR rtl-optimization/25739
7632 * bt-load.c (augment_live_range): Free tos pointer.
7634 * gensupport.c (identify_predicable_attribute): Free
7636 * gcov.c (create_file_names): Free name pointer.
7638 2006-03-13 Roger Sayle <roger@eyesopen.com>
7641 * stmt.c (emit_case_nodes): Handle the case where the index is a
7642 CONST_INT, where the comparison mode is specified by the index type.
7644 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7646 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7649 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7651 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7652 (*branch_fp_inverted): Likewise.
7654 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7657 * omp-low.c (expand_omp_for_generic): Mark istart0
7658 and iend0 as addressable.
7660 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7662 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7664 2006-03-13 Jeff Law <law@redhat.com>
7666 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7667 virtual operands are interesting.
7668 (vrp_visit_stmt): Corresponding changes.
7670 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7672 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7674 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7675 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7676 * config/bfin/crti.S: Use it instead of __PIC__.
7677 * config/bfin/crtn.S: Likewise.
7679 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7680 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7682 Lose 'G' modifier for call operand.
7683 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7684 recognize 'G' modifier.
7686 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7689 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7690 * stmt.c (expand_case): Likewise.
7692 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7694 PR rtl-optimization/26254
7695 * loop-invariant.c (seq_insns_valid_p): New function.
7696 (move_invariant_reg): Only emit new code if it is valid.
7698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7700 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7702 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7703 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7704 (commit_one_edge_insertion): Do not look for loop notes.
7706 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7708 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7709 flag_test_coverage out of loop.
7711 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7713 * final.c (shorten_branches): Remove outdated comment, and turn
7714 the if branch that guards it to continue.
7716 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7718 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7719 * cfgloop.h (struct loop): Remove unused fields.
7721 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7723 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7724 (-dL, -fdump-rtl-loop2): Update the dump file names
7726 * doc/invoke.texi: Update dump file names.
7728 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7730 * predict.c (estimate_probability): Remove.
7731 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7732 * basic-block.h (estimate_probability): Remove prototype.
7733 * passes.c (finish_optimization_passes): Dump branch prediction or
7734 profiling heuristics to the .profile tree dump.
7735 (init_optimization_passes): Unqueue pass_branch_prob.
7737 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7739 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7741 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7742 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7744 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7746 * function.h (frame_offset_overflow): Declare.
7747 * function.c (frame_offset_overflow): New function.
7748 (assign_stack_local_1): Call it to detect that the offset overflows.
7749 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7751 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7753 * config/sh/sh.c: Include alloc-pool.h.
7754 (label_ref_list_pool): New alloc pool.
7755 (label_ref_list_t): New type for lists of labels.
7756 (struct pool_node): Make wend a label_ref_list_t.
7757 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7759 (dump_table): Likewise.
7760 (sh_reorg): Set up the alloc pool before using add_constant and
7761 dump_table, and destroy it when finishing.
7763 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7765 * config/mips/mips.c: Remove redundant comment.
7767 2006-03-10 Jason Merrill <jason@redhat.com>
7770 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7771 the target was declared 'register'.
7773 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7775 * genpreds.c (write_insn_constraint_len): Change definition of
7776 insn_constraint_len to return size_t to match the declaration.
7778 2006-03-10 DJ Delorie <dj@redhat.com>
7780 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7782 (m32c_expand_insv): Fix test for an AND mask.
7784 2006-03-10 Richard Guenther <rguenther@suse.de>
7787 * builtins.c (get_pointer_alignment): Handle component
7788 references for field alignment.
7790 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7792 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7793 when building with libgloss.
7794 (sh*elf): Implement --without-fp option.
7795 (sh64-superh-linux*): Don't multilib.
7797 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7799 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7801 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7803 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7804 Set it when one of the replacement functions returned true.
7805 Return TODO_cleanup_cfg if cfgchanged is true.
7806 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7808 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7810 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7811 instead of gen_lowpart.
7813 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7815 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7817 (mips_output_order_conditional_branch): Declare.
7818 * config/mips/mips.h (MIPS_BRANCH): New macro.
7819 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7820 for the comparison. Use gen_condjump.
7821 (mips_output_conditional_branch): Rework interface to take the
7822 asm templates for a direct branch and the inverse of a direct branch.
7823 (mips_output_order_conditional_branch): New function.
7824 (mips_builtin_branch_and_move): New function.
7825 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7826 branch condition. Use gen_single_cc as the condition for
7827 __builtin_mips_upper_* or __builtin_mips_lower_*.
7828 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7829 Use VOIDmode for the branch condition.
7830 * config/mips/predicates.md (order_operator): New predicate.
7831 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7832 (branch_fp): Rename to...
7833 (*branch_fp): ...this. Remove mode from comparison operator.
7834 Use new mips_output_conditional_branch interface.
7835 (branch_fp_inverted): Rename to...
7836 (*branch_fp_inverted): ...this and update as for *branch_fp.
7837 (*branch_zero<mode>): Rename to...
7838 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7839 Use mips_output_order_conditional_branch. Only accept ordered
7841 (*branch_zero<mode>_inverted): Rename to...
7842 (*branch_order<mode>_inverted): ...this and update as for
7843 *branch_order<mode>.
7844 (*branch_equality<mode>): Accept zero as the second operand to
7845 the equality operator. Use the new mips_output_conditional_branch
7847 (*branch_equality<mode>_inverted): Likewise.
7848 (condjump): New expander.
7849 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7851 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7852 (bc1any2t, bc1any2f): Likewise.
7853 (single_cc): New expander.
7854 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7856 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7858 * doc/md.texi: Update documentation of MIPS constraints.
7859 * config/mips/constraints.md: New file.
7860 * config/mips/mips.md: Include it.
7861 * config/mips/mips.c (mips_char_to_class): Delete.
7862 (override_options): Don't initialize mips_char_to_class.
7863 * config/mips/mips.h (mips_char_to_class): Delete.
7864 (REG_CLASS_FROM_LETTER): Delete.
7865 (CONST_OK_FOR_LETTER_P): Delete.
7866 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7867 (EXTRA_CONSTRAINT_Y): Delete.
7868 (EXTRA_CONSTRAINT_STR): Delete.
7869 (CONSTRAINT_LEN): Delete.
7870 (EXTRA_MEMORY_CONSTRAINT): Delete.
7872 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7874 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7875 original fn's eh regions.
7877 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7879 * fold-const.c (build_range_check): Make sure to use a valid type to
7880 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7883 (range_predecessor): New static function.
7884 (range_successor): Likewise.
7885 (merge_ranges): Use them to compute predecessors and successors of
7888 2006-03-09 Roger Sayle <roger@eyesopen.com>
7891 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7892 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7894 2006-03-08 DJ Delorie <dj@redhat.com>
7896 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7897 (addpsi3): Expand to include memory operands. Remove
7898 reload-specific splits.
7899 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7900 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7901 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7902 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7903 (shift1_qi, shift1_hi, insv): New.
7904 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7905 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7906 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7908 * config/m32c/m32c-protos.h: Update as needed.
7909 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7910 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7911 Fail for unrecognized R* constraints.
7912 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7913 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7914 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7916 (m32c_init_libfuncs): New.
7917 (m32c_legitimate_address_p): Add debug wrapper.
7918 (m32c_rtx_costs): New.
7919 (m32c_address_cost): New.
7920 (conversions): Add 'B' prefix.
7921 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7922 operands, or word regnames for QI operands. 'B' prints bit
7924 (m32c_expand_setmemhi): New.
7925 (m32c_expand_movmemhi): New.
7926 (m32c_expand_movstr): New.
7927 (m32c_expand_cmpstr): New.
7928 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7929 (m32c_expand_neg_mulpsi3): Handle non-ints.
7930 (m32c_cmp_flg_0): New.
7931 (m32c_expand_movcc): New.
7932 (m32c_expand_insv): New.
7933 (m32c_scc_pattern): New.
7934 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7935 a0/a1 out of SIregs.
7936 (STORE_FLAG_VALUE): New.
7937 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7940 * config/m32c/mov.md: Make constraints more liberal.
7941 (zero_extendqihi2): Optimize r0/r1 case.
7942 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7943 * config/m32c/predicates.md (m32c_any_operand): New.
7944 (m32c_nonimmediate_operand): New.
7945 (m32c_hl_operand): New.
7946 (m32c_r3_operand): New.
7949 (memsym_operand): New.
7950 (memimmed_operand): New.
7951 (a_qi_operand): New.
7952 (m32c_eqne_operator): New.
7953 (m32c_1bit8_operand): New.
7954 (m32c_1bit16_operand): New.
7955 (m32c_1mask8_operand): New.
7956 (m32c_1mask16_operand): New.
7957 * config/m32c/blkmov.md: New file.
7958 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7960 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7962 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7963 unsigned to fix signed/unsigned comparison issue in
7964 DWARF2_FRAME_REG_OUT.
7965 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7966 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7968 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7969 of ptr into the ENABLE_CHECKING section.
7971 2006-03-08 Jeff Law <law@redhat.com>
7973 * tree-vrp.c (infer_value_range): Only count pointer uses
7974 and dereferences if -fdelete-null-pointer-checks is enabled.
7976 * tree-vrp.c (find_assert_locations): Infer value ranges for
7977 single use pointers, but do not create ASSERT_EXPRs for them.
7978 When a non-null range is inferred for a pointer, backwards
7979 propagate that range to other equivalent pointers through the
7982 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7985 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7986 language hook targets.
7987 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7988 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7989 if language hook targets were missing.
7991 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7993 * tree-ssa-opfinalize.h: Removed.
7994 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7996 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7997 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7998 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7999 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8000 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8001 finalize_ssa_v_must_def_ops): New.
8003 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8005 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8008 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8010 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8012 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8013 addresses with offsets; reorganize.
8015 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8016 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8017 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8019 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8022 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8024 2006-03-08 Ben Elliston <bje@au.ibm.com>
8026 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8028 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8031 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8034 2006-03-07 Richard Guenther <rguenther@suse.de>
8036 PR tree-optimization/26587
8037 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8039 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8041 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8043 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8045 * hooks.c (hook_bool_mode_rtx_true): New function.
8046 * hooks.h (hook_bool_mode_rtx_true): Declare.
8047 * toplev.c (compile_file): Call output_shared_constant_pool.
8048 * varasm.c (shared_constant_pool): New variable.
8049 (assemble_start_function, assemble_end_function): Remove arguments
8050 from call to output_constant_pool.
8051 (create_constant_pool): New function, split out from...
8052 (init_varasm_status): ...here.
8053 (force_const_mem): Choose between the shared and per-function constant
8054 pools. Set current_function_uses_const_pool when reusing old entries
8055 as well as when creating new ones.
8056 (mark_constant): Ignore data argument.
8057 (mark_constants): Remove pool argument.
8058 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8059 to decide whether the function uses a constant pool.
8060 (output_constant_pool_contents): New function, split out from...
8061 (output_constant_pool): ...here.
8062 (output_shared_constant_pool): New function.
8063 (init_varasm_once): Initialize shared_constant_pool.
8064 * output.h (output_constant_pool): Delete.
8065 (output_shared_constant_pool): Declare.
8066 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8067 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8069 2006-03-06 Nick Clifton <nickc@redhat.com>
8071 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8072 flag_strength_reduce.
8074 2006-03-06 Ben Elliston <bje@au.ibm.com>
8076 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8077 x86_64-*-linux* configurations.
8079 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8080 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8082 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8084 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8086 * basic-block.h: Remove the extern for
8087 rediscover_loops_after_threading.
8089 * cfgloop.c (cancel_loop): Make it static.
8090 * cfgloop.h: Remove the prototype for cancel_loop.
8092 * flow.c (recompute_reg_usage): Make it static.
8093 * rtl.h: Remove the prototype for recompute_reg_usage.
8095 * function.c (use_return_register): Make it static.
8096 * function.h: Remove the prototype.
8098 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8100 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8102 * recog.h: Remove the prototype for
8103 validate_change_maybe_volatile.
8105 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8107 * rtlanal.c (replace_reg): Remove.
8108 * rtl.h: Remove the prototype for replace_reg.
8110 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8112 * regclass.c (reg_scan_update): Remove.
8113 (reg_scan_mark_refs): Remove the last argument.
8114 * rtl.h: Remove the prototype for reg_scan_update.
8116 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8118 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8119 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8120 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8121 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8122 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8123 loop-invariant.c, omp-low.c, opts.c, passes.c,
8124 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8125 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8126 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8127 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8128 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8129 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8133 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8134 * dwarf2out.h: Remove the prototype for
8135 dwarf2out_add_library_unit_info.
8137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8139 * tree.c (add_var_to_bind_expr): Remove.
8140 * tree.h: Remove the prototype for add_var_to_bind_expr.
8142 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8144 * regclass.c (n_non_fixed_regs): Remove.
8145 (init_reg_sets_1, globalize_reg): Remove all uses of
8147 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8149 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8151 * rtlanal.c (insns_safe_to_move_p): Remove.
8152 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8154 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8156 * expmed.c (expand_mult_add): Remove.
8157 * expr.h: Remove the prototype for expand_mult_add.
8159 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8161 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8162 and REG_SAVED_VAL_EXP constants.
8163 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8164 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8165 Handle regs stored by value.
8166 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8167 (execute_cfa_program): Handle DW_CFA_val_offset,
8168 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8169 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8170 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8171 (uw_install_context_1): Handle target regs stored by value.
8173 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8175 * tree-sra.c (tree_sra): Return todoflags;
8176 (generate_one_element): Set TODO_update_smt_usage if needed.
8177 (pass_sra): Remove TODO_update_smt_usage.
8178 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8180 (tree_ssa_forward_propagate_single_use_vars): Return
8181 TODO_update_smt_usage if we need to update SMT usage.
8182 (pass_forwprop): Remove TODO_update_smt_usage.
8184 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8186 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8187 (correct_use_link): Remove reference to get_stmt_operands.
8188 (update_stmt_operands): Likewise.
8189 (get_modify_expr_operands): New function factored out of
8190 parse_ssa_operands and get_expr_operands.
8191 Try to create V_MUST_DEFs for LHS by default.
8192 (get_expr_operands) <case MODIFY_EXPR>: Call
8193 get_modify_expr_operands.
8194 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8195 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8196 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8197 get_modify_expr_operands.
8199 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8201 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8202 * tree-flow.h: Remove the prototype for
8203 referenced_var_lookup_if_exists.
8205 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8207 PR rtl-optimization/26345
8209 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8211 2006-03-03 Roger Sayle <roger@eyesopen.com>
8213 PR tree-optimization/26524
8214 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8215 fold_convert to create a constant of the appropriate type.
8217 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8219 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8220 SYMBOL_REF_IN_BLOCK_P.
8221 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8222 of SYMBOL_FLAG_IN_BLOCK.
8223 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8224 instead of SYMBOL_REF_IN_BLOCK_P.
8225 * explow.c (use_anchored_address): Likewise.
8226 * rtl.c (rtx_size): Likewise.
8227 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8228 instead of SYMBOL_FLAG_IN_BLOCK.
8229 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8230 SYMBOL_REF_IN_BLOCK_P.
8231 (assemble_variable): Likewise.
8232 (output_constant_def_contents): Likewise.
8233 (output_constant_pool): Likewise.
8234 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8235 instead of SYMBOL_FLAG_IN_BLOCK.
8236 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8237 SYMBOL_REF_IN_BLOCK_P.
8238 (SYMBOL_REF_BLOCK): Likewise.
8239 (SYMBOL_REF_OFFSET): Likewise.
8240 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8241 SYMBOL_REF_IN_BLOCK_P.
8242 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8243 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8244 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8245 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8247 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8249 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8251 2006-03-02 Roger Sayle <roger@eyesopen.com>
8253 * simplify-rtx.c (simplify_unary_operation): When simplifying
8254 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8255 that we perform the right shift in the appropriate mode, and
8256 then extend or truncate the result to requested mode.
8258 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8260 * gengtype.c (main): Handle double_int type.
8261 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8262 * double-int.c: New file.
8263 * double-int.h: New file.
8264 * system.h: Include doubleint.h.
8265 * Makefile.in (SYSTEM_H): Include double-int.h.
8266 (double-int.o): Add.
8268 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8271 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8274 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8276 * tree-vrp.c (remove_range_assertions): Do not update statements
8279 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8281 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8283 * gcse.c (rest_of_handle_gcse): Ditto.
8284 * except.c (gate_handle_eh): Ditto.
8285 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8286 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8288 2006-03-02 Eric Christopher <echristo@apple.com>
8290 * config/i386/i386.c (machopic_output_stub): Add indirection to
8293 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8297 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8299 Sun Niagara specific optimizations.
8300 * config.gcc: Recognize niagara as target.
8301 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8302 (TARGET_CPU_niagara): Define.
8303 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8304 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8305 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8306 (ASM_CPU_SPEC): Likewise.
8307 (PROCESSOR_NIAGARA): New enum entry.
8308 (REGISTER_MOVE_COST): Handle Niagara.
8309 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8310 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8311 (sparc_override_options): Recognize "niagara", set appropriate
8312 default MASK_* values for it, and align functions to 32-bytes
8313 by default just like ULTRASPARC/ULTRASPARC3.
8314 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8315 (sparc64_initialize_trampoline): Likewise.
8316 (sparc_use_sched_lookahead): Use zero for niagara.
8317 (sparc_issue_rate): Use one for niagara.
8318 * config/sparc/niagara.md: New file.
8319 * config/sparc/sparc.md: Include it.
8320 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8321 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8322 when default cpu is niagara.
8323 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8324 (ASM_CPU_SPEC): Likewise.
8325 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8326 when default cpu is niagara.
8327 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8328 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8329 just like v9/ultrasparc/ultrasparc3.
8330 * doc/invoke.texi: Add documentation for "niagara" and improve
8331 existing documentation for ultrasparc variants.
8333 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8335 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8337 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8339 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8340 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8341 and say that only one is needed.
8342 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8343 * target.h (have_switchable_bss_sections): New hook.
8344 * explow.c (use_anchored_address): Check that the symbol is in a block.
8345 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8346 (bss_noswitch_section): New variables.
8347 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8348 (get_noswitch_section): New function.
8349 (get_block_for_section): Allow SECT to be null.
8350 (unlikely_text_section_p): Use SECTION_STYLE.
8351 (bss_initializer_p): New function.
8352 (get_variable_section): Move earlier in file. Take a new argument,
8353 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8354 Return one of the new *_sections in such cases.
8355 (get_block_for_decl): New function, extracting some logic from
8356 use_blocks_for_decl_p.
8357 (change_symbol_section): Remove in favor of...
8358 (change_symbol_block): ...this new function.
8359 (use_blocks_for_decl_p): Remove checks now performed by
8361 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8362 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8363 (emit_local, emit_bss, emit_common): ...these new functions.
8364 Return true if the alignment was honored.
8365 (emit_tls_common): New function.
8366 (asm_emit_uninitialised): Delete.
8367 (assemble_variable_noswitch): New function, split out from...
8368 (assemble_variable): ...here. Don't make decisions about common
8369 variables here. Globalize all public decls that go into non-common
8370 sections. Check whether SYMBOL_REF_BLOCK is null.
8371 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8372 (output_constant_pool): Likewise.
8373 (init_varasm_once): Initialize the new section variables.
8374 (have_global_bss_p): New function.
8375 (categorize_decl_for_section): Use bss_initializer_p.
8376 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8377 (place_block_symbol): Assert that the symbol must be in a block.
8378 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8379 (TARGET_INITIALIZER): Include it.
8380 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8381 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8382 (SECTION_MACH_DEP): Bump by two.
8383 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8384 (unnamed_section): Mention SECTION_UNNAMED in comment.
8385 (named_section): Likewise SECTION_NAMED.
8386 (noswitch_section_callback): New type.
8387 (noswitch_section): New structure.
8388 (section): Add a noswitch_section alternative.
8389 (SECTION_STYLE): New macro.
8390 (tls_comm_section, comm_section, lcomm_section): Declare.
8391 (bss_noswitch_section, have_global_bss_p): Declare.
8392 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8393 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8395 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8396 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8399 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8401 * tree-vrp.c (execute_vrp): Return value.
8402 * regrename.c (rest_of_handle_regrename): Ditto.
8403 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8404 * tree-complex.c (tree_lower_complex): Ditto.
8405 (tree_lower_complex_O0): Ditto.
8406 * tracer.c (rest_of_handle_tracer): Ditto.
8407 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8408 * postreload.c (rest_of_handle_postreload): Ditto.
8409 * tree-tailcall.c (execute_tail_recursion): Ditto.
8410 (execute_tail_calls): Ditto.
8411 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8412 * tree.h (init_function_for_compilation): Ditto.
8413 * ipa-cp.c (ipcp_driver): Ditto.
8414 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8415 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8416 * final.c (compute_alignments): Ditto.
8417 (rest_of_handle_final): Ditto.
8418 (rest_of_handle_shorten_branches): Ditto.
8419 (rest_of_clean_state): Ditto.
8420 * omp-low.c (execute_expand_omp): Ditto.
8421 (execute_lower_omp): Ditto.
8422 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8423 * ipa-reference.c (static_execute): Ditto.
8424 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8425 * reorg.c (rest_of_handle_delay_slots): Ditto.
8426 (rest_of_handle_machine_reorg): Ditto.
8427 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8428 * flow.c (recompute_reg_usage): Ditto.
8429 (rest_of_handle_remove_death_notes): Ditto.
8430 (rest_of_handle_life): Ditto.
8431 (rest_of_handle_flow2): Ditto.
8432 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8433 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8434 (do_ssa_store_ccp): Ditto.
8435 (execute_fold_all_builtins): Ditto.
8436 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8437 * modulo-sched.c (rest_of_handle_sms): Ditto.
8438 * ipa-pure-const.c (static_execute): Ditto.
8439 * cse.c (rest_of_handle_cse): Ditto.
8440 (rest_of_handle_cse2): Ditto.
8441 * web.c (rest_of_handle_web): Ditto.
8442 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8443 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8444 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8445 * tree-nrv.c (tree_nrv): Ditto.
8446 (execute_return_slot_opt): Ditto.
8447 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8448 (create_structure_vars): Ditto.
8449 * loop-init.c (rtl_loop_init): Ditto.
8450 (rtl_loop_done): Ditto.
8451 (rtl_move_loop_invariants): Ditto.
8452 (rtl_unswitch): Ditto.
8453 (rtl_unroll_and_peel_loops): Ditto.
8454 (rtl_doloop): Ditto.
8455 * gimple-low.c (lower_function_body): Ditto.
8456 (mark_used_blocks): Ditto.
8457 * tree-ssa-sink.c (execute_sink_code): Ditto.
8458 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8459 (cgraph_early_inlining): Ditto.
8460 * global.c (rest_of_handle_global_alloc): Ditto.
8461 * jump.c (cleanup_barriers): Ditto.
8462 (purge_line_number_notes): Ditto.
8463 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8464 (rest_of_handle_if_after_reload): Ditto.
8465 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8466 (tree_ssa_loop_im): Ditto.
8467 (tree_ssa_loop_unswitch): Ditto.
8468 (tree_vectorize): Ditto.
8469 (tree_linear_transform): Ditto.
8470 (tree_ssa_loop_ivcanon): Ditto.
8471 (tree_ssa_empty_loop): Ditto.
8472 (tree_ssa_loop_bounds): Ditto.
8473 (tree_complete_unroll): Ditto.
8474 (tree_ssa_loop_prefetch): Ditto.
8475 (tree_ssa_loop_ivopts): Ditto.
8476 (tree_ssa_loop_done): Ditto.
8477 * predict.c (tree_estimate_probability): Ditto.
8478 * recog.c (split_all_insns_noflow): Ditto.
8479 (rest_of_handle_peephole2): Ditto.
8480 (rest_of_handle_split_all_insns): Ditto.
8481 * tree-eh.c (lower_eh_constructs): Ditto.
8482 * regmove.c (rest_of_handle_regmove): Ditto.
8483 (rest_of_handle_stack_adjustments): Ditto.
8484 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8485 * function.c (instantiate_virtual_regs): Ditto.
8486 (init_function_for_compilation): Ditto.
8487 (rest_of_handle_check_leaf_regs): Ditto.
8488 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8489 (rest_of_handle_gcse): Ditto.
8490 * ipa-type-escape.c (type_escape_execute): Ditto.
8491 * alias.c (rest_of_handle_cfg): Ditto.
8492 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8493 * profile.c (rest_of_handle_branch_prob): Ditto.
8494 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8495 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8496 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8497 * tree-dfa.c (find_referenced_vars): Ditto.
8498 * except.c (set_nothrow_function_flags): Ditto.
8499 (convert_to_eh_region_ranges): Ditto.
8500 (rest_of_handle_eh): Ditto.
8501 * emit-rtl.c (unshare_all_rtl): Ditto.
8502 (remove_unnecessary_notes): Ditto.
8503 * except.h (set_nothrow_function_flags): Ditto.
8504 (convert_to_eh_region_ranges): Ditto.
8505 * cfgexpand.c (tree_expand_cfg): Ditto.
8506 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8507 * tree-ssa-pre.c (do_pre): Ditto.
8508 (execute_fre): Ditto.
8509 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8510 (rest_of_handle_jump2): Ditto.
8511 * tree-sra.c (tree_sra): Ditto.
8512 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8513 (execute_mudflap_function_decls): Ditto.
8514 * tree-ssa-copy.c (do_copy_prop): Ditto.
8515 (do_store_copy_prop): Ditto.
8516 * ipa-prop.h (ipcp_driver): Ditto.
8517 * cfglayout.c (insn_locators_initialize): Ditto.
8518 * tree-ssa-forwprop.c
8519 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8520 * cfglayout.h (insn_locators_initialize): Ditto.
8521 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8522 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8523 (execute_late_warn_uninitialized): Ditto.
8524 * rtl.h (cleanup_barriers): Ditto.
8525 (split_all_insns_noflow): Ditto.
8526 (purge_line_number_notes): Ditto.
8527 (unshare_all_rtl): Ditto.
8528 (remove_unnecessary_notes): Ditto.
8529 (recompute_reg_usage): Ditto.
8530 (variable_tracking_main): Ditto.
8531 * integrate.c (emit_initial_value_sets): Ditto.
8532 * integrate.h (emit_initial_value_sets): Ditto.
8533 * tree-optimize.c (execute_free_datastructures): Ditto
8534 (execute_free_cfg_annotations): Ditto.
8535 (execute_fixup_cfg): Ditto.
8536 (execute_cleanup_cfg_pre_ipa): Ditto.
8537 (execute_cleanup_cfg_post_optimizing): Ditto.
8538 (execute_init_datastructures): Ditto.
8539 * tree-object-size.c (compute_object_sizes): Ditto.
8540 * combine.c (rest_of_handle_combine): Ditto.
8541 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8542 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8543 (rest_of_handle_reorder_blocks): Ditto.
8544 (rest_of_handle_partition_blocks): Ditto.
8545 * var-tracking.c (variable_tracking_main): Ditto.
8546 * tree-profile.c (tree_profiling): Ditto.
8547 * tree-vect-generic.c (expand_vector_operations): Ditto.
8548 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8549 * sched-rgn.c (rest_of_handle_sched): Ditto.
8550 (rest_of_handle_sched2): Ditto.
8551 * basic-block.h (free_bb_insn): Ditto.
8552 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8553 * tree-cfg.c (execute_build_cfg): Ditto.
8554 (remove_useless_stmts): Ditto.
8555 (split_critical_edges): Ditto.
8556 (execute_warn_function_return): Ditto.
8557 (execute_warn_function_noreturn): Ditto.
8558 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8559 * cfgrtl.c (free_bb_for_insn): Ditto.
8560 * passes.c (execute_one_pass): Run additional
8561 todos returned by execute function.
8562 * tree-pass.h (struct tree_opt_pass): Make execute
8565 2006-03-02 Richard Guenther <rguenther@suse.de>
8567 * tree-ssa-alias.c (find_used_portions): Consider taking
8568 the address as making the variable not write-only.
8570 2006-03-02 Nick Clifton <nickc@redhat.com>
8572 * config.gcc (default_use_cxa_atexit): Extend the description of
8573 this configure variable. Set its default value to "yes" for
8574 Linux, NetBSD and ELF targets on the assumption that they will
8575 use C libraries with the __cxa_atexit function.
8577 2006-03-02 Ben Elliston <bje@au.ibm.com>
8579 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8580 parameter as unused to suppress a build warning.
8582 2006-03-02 Ben Elliston <bje@au.ibm.com>
8584 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8587 2006-03-01 Roger Sayle <roger@eyesopen.com>
8590 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8591 declared name, the weak reference name, and the typeof name.
8592 (__gthrw): Avoid expanding the declared name suffix.
8593 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8595 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8597 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8599 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8600 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8601 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8602 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8603 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8604 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8605 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8606 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8607 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8608 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8609 (DW_END_default, DW_END_big, DW_END_little): New.
8610 (DW_END_lo_user, DW_END_hi_user): Define.
8611 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8612 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8613 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8616 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8618 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8620 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8622 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8624 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8626 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8627 to 'symbol_mem_tag'.
8629 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8632 2006-03-01 Roger Sayle <roger@eyesopen.com>
8634 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8636 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8639 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8640 MACHO_DYNAMIC_NO_PIC_P.
8641 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8643 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8646 * config/darwin-protos.h (darwin_asm_output_anchor):
8648 * config/darwin-sections.def (cstring_section):
8649 Add SECTION_MERGE to the flags.
8650 (literal4_section): Likewise.
8651 (literal8_section): Likewise.
8652 (objc_selector_refs_section): Likewise.
8653 (objc_cls_refs_section): Likewise.
8654 * config/darwin.c (darwin_asm_output_anchor): New
8656 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8658 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8660 Fix PR tree-optimization/26443
8661 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8662 to todo and PROP_tmt_usage to properties_destroyed.
8663 * tree-ssa-ccp.c (pass_ccp): Ditto.
8664 (pass_store_ccp): Ditto.
8665 * tree-ssa-dom.c (pass_dominator): Ditto.
8667 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8669 * tree-ssa-operands.c: Cleanup whitespace.
8670 (get_asm_expr_operands): Move before first invocation.
8671 (get_indirect_ref_operands): Likewise.
8672 (get_tmr_operands): Likewise.
8673 (get_call_expr_operands): Likewise.
8674 (append_def): Likewise.
8675 (append_use): Likewise.
8676 (append_v_may_def): Likewise.
8677 (append_v_must_def): Likewise.
8678 (add_call_clobber_ops): Likewise.
8679 (add_call_read_ops): Likewise.
8680 (add_stmt_operand): Likewise.
8681 (add_virtual_operand): Likewise.
8682 (build_ssa_operands): Likewise.
8684 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8689 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8690 with a call expr to ...
8691 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8693 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8695 * tree-vrp.c (extract_range_from_assert): Remove special
8696 handling for types with super-types.
8698 2006-03-01 Ben Elliston <bje@au.ibm.com>
8700 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8701 and powerpc64-*-linux* configurations.
8702 * config/t-dfprules: New file.
8704 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8705 Compile dfp-bit.c from the source directory using -DWIDTH and
8706 $DFP_CFLAGS to control the compilation of that file, rather than
8707 generating width-specific versions in the build directory.
8708 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8709 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8711 2006-02-28 Zack Weinberg <zackw@panix.com>
8713 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8716 2006-02-28 Eric Christopher <echristo@apple.com>
8718 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8719 Set up IN_LIBGCC definition of TARGET_64BIT.
8720 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8722 2006-02-28 Roger Sayle <roger@eyesopen.com>
8725 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8726 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8727 cases via the construction of "expr != 0".
8729 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8731 * alias.c (alias_invariant, alias_invariant_size): Remove.
8732 (record_base_value): Remove.
8733 (memrefs_conflict_p): Don't look at alias_invariant.
8734 (end_alias_analysis): Don't free it.
8735 * alias.h (record_base_value): Remove prototype.
8737 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8738 Adam Nemet <anemet@caviumnetworks.com>
8740 * rtl.h (truncated_to_mode): Declare it.
8741 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8742 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8743 (RTL_HOOKS_INITIALIZER): Include it.
8744 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8745 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8746 reg_truncated_to_mode.
8747 * rtlanal.c (truncated_to_mode): Define it.
8748 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8750 2006-02-28 Jeff Law <law@redhat.com>
8752 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8753 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8754 the range allowed by TYPE_PRECISION.
8756 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8758 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8760 PR tree-optimization/26419
8761 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8764 2006-02-27 Zack Weinberg <zackw@panix.com>
8766 * doc/md.texi: Fix typo in previous change.
8768 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8772 2006-02-27 Zack Weinberg <zackw@panix.com>
8774 * rtl.def (define_constraint, define_register_constraint)
8775 (define_memory_constraint, define_address_constraint): New MD forms.
8776 * gensupport.c (process_rtx): Put define_constraint etc on the
8778 * genpreds.c (process_define_predicate): Adjust comment. Validate
8779 the name, and call validate_exp to validate the expression.
8780 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8781 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8782 all callers changed.
8783 (validate_exp, needs_variable, struct constraint_data)
8784 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8785 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8786 (const_dbl_constraints, constraint_max_namelen)
8787 (have_register_constraints, have_memory_constraints)
8788 (have_address_constraints, have_address_constraints)
8789 (have_extra_constraints, have_const_int_constraints)
8790 (have_const_dbl_constraints, mangle, add_constraint)
8791 (process_define_constraint, process_define_register_constraint)
8792 (write_enum_constraint_num, write_lookup_constraint)
8793 (write_insn_constraint_len, write_regclass_for_constraint)
8794 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8795 (write_insn_extra_memory_constraint)
8796 (write_insn_extra_address_constraint)
8797 (write_satisfies_constraint_fns): New.
8798 (write_tm_preds_h): If we have new-style constraint definitions,
8799 prototype the functions generated from them, and define the
8800 old constraint interface (still used by generic code) in terms of
8802 (write_insn_preds_c): If we have new-style constraint definitions,
8803 generate all relevant functions from those definitions.
8804 (main): Handle define_constraint etc.
8805 * genoutput.c (struct constraint_data, indep_constraints)
8806 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8807 (mdep_constraint_len): New data structures and functions, defined
8808 #ifdef USE_MD_CONSTRAINTS.
8809 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8810 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8811 use new logic to validate operand constraints against constraint
8813 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8815 * defaults.h: If none of the old-style constraint macros are
8816 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8817 old-style macros; and poison REG_CLASS_FROM_LETTER,
8818 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8820 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8821 * doc/md.texi: Document new constraint-definition mechanism and the
8822 C interface it provides. Remove references to old mechanism
8823 elsewhere in the document.
8824 (Machine Constraints): Use pathnames relative to gcc directory,
8825 i.e. config/ARCH/FILE. Change i386 section to refer to
8826 config/i386/predicates.md; update that section to match docstrings.
8827 * doc/tm.texi: Move all documentation of the old constraint-
8828 definition macros to their own section, clearly mark as obsolete.
8830 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8831 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8833 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8834 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8835 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8837 (splits and peepholes): Use satisfies_constraint_*.
8838 * config/i386/i386.c (memory_address_length)
8839 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8841 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8843 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8844 scalar operation to be put back into the loop.
8846 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8849 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8850 (extract_cie_info): Handle S flag in augmentation string.
8851 (execute_cfa_program): If context->signal_frame, execute also
8852 fs->pc == context->ra instructions.
8853 (uw_frame_state_for): If context->signal_frame, don't subtract one
8854 from context->ra to find FDE.
8855 (uw_update_context_1): Set context->signal_frame to
8857 (_Unwind_GetIPInfo): New function.
8858 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8859 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8861 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8862 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8863 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8864 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8865 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8866 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8867 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8868 x86_64_fallback_frame_state): Set fs->signal_frame.
8869 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8870 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8871 (frob_update_context): Likewise. Workaround missing S flag in
8872 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8873 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8874 Remove the psw_addr + 1 hack.
8876 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8878 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8879 with aggregates here.
8880 (find_func_aliases): Remove code for &<aggregate> from here.
8882 2006-02-26 Roger Sayle <roger@eyesopen.com>
8884 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8885 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8886 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8889 2006-02-26 Roger Sayle <roger@eyesopen.com>
8892 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8894 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8896 * opts.c (decode_options): Do not handle flag_strength_reduce.
8897 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8898 and OPT_fstrength_reduce.
8899 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8900 flag_prefetch_loop_arrays for being nonzero.
8901 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8903 (fprefetch-loop-arrays-rtl): Removed.
8904 (flag_prefetch_loop_arrays): Do not specify the value.
8906 * doc/passes.texi: Update documentation of loop optimizer
8908 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8909 -frerun-loop-opt): Remove.
8911 2006-02-26 Richard Guenther <rguenther@suse.de>
8913 PR tree-optimization/26421
8914 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8915 in function calls that are ADDR_EXPRs as using the whole structure.
8917 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8919 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8920 * tree-pass.h (pass_loop_optimize): Remove.
8921 * passes.c (pass_loop_optimize): Never run it.
8922 * toplev.c (backend_init): Don't call init_loop.
8923 * opts.c (flag_loop_optimize_set): Remove.
8924 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8925 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8926 the old RTL loop optimizer when profiling enabled.
8927 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8928 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8929 pre-headers for the sake of the old RTL loop optimizer.
8930 * Makefile.in: Remove all references to loop.o.
8932 * doc/invoke.texi: Remove all references to -floop-optimize
8933 and -frerun-loop-opt.
8935 2006-02-26 Zack Weinberg <zackw@panix.com>
8937 * doc/md.texi (Machine Constraints): Refer to all files with paths
8938 relative to gcc directory (i.e. config/CPU/file). Add missing
8939 @table @code ... @end table to M32C subsection.
8941 2006-02-26 Roger Sayle <roger@eyesopen.com>
8943 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8945 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8947 2006-02-26 Roger Sayle <roger@eyesopen.com>
8948 James A. Morrison <phython@gcc.gnu.org>
8951 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8952 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8953 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8954 signedness of the shift operation.
8956 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8958 PR tree-optimization/26359
8959 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8961 2006-02-25 Roger Sayle <roger@eyesopen.com>
8963 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8964 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8965 as X == 0, and some symmetry related transformations.
8966 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8968 2006-02-25 Roger Sayle <roger@eyesopen.com>
8971 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8972 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8973 symmetry related transformations. Fold (X^C1) == C2 as
8976 2006-02-25 Juergen Weigert <jw@suse.de>
8977 Richard Guenther <rguenther@suse.de>
8979 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8981 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8983 * combine.c (gen_lowpart_or_truncate): Call
8984 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8986 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8988 * doc/invoke.texi: Move -fopenmp description to "Options for
8990 Remove reference to -lgomp.
8992 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8994 * doc/install.texi: Require GNU tar version 1.14.
8996 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8998 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8999 * doc/invoke.texi (C++ Dialect Options): Document
9000 -fno-use-cxa-get-exception-ptr.
9001 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9002 * configure: Regenerate.
9003 * c.opt (fuse-cxa-get-exception-ptr): New.
9004 * c-opts.c (c_common_handle_option): Handle
9005 OPT_fuse_cxa_get_exception_ptr.
9006 * c-common.c (flag_use_cxa_atexit): Update documentation.
9007 (flag_use_cxa_get_exception_ptr): New.
9008 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9009 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9011 (C_COMMON_OVERRIDE_OPTIONS): New.
9013 2006-02-24 Roger Sayle <roger@eyesopen.com>
9016 * combine.c (try_combine): Explicitly check whether GET_CODE is
9017 a SET or a CLOBBER, instead on checking that it isn't a USE.
9019 2006-02-24 Roger Sayle <roger@eyesopen.com>
9021 * fold-const.c (fold_comparison): New subroutine of fold_binary
9022 containing transformations common to both the equality and
9023 ordering relational operators, factored out of fold_binary.
9024 (fold_binary): Separate out the equality operators (EQ_EXPR
9025 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9026 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9027 transformations common to both.
9028 (fold_div_compare): Fix latent bugs in the previously unreachable
9029 LT_EXPR and GE_EXPR cases.
9031 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9033 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9034 decl libname for clog to __clog on AIX.
9036 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9038 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9041 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9042 output traceback table for thunks. Localise rs6000_stack_info call.
9044 2006-02-23 Roger Sayle <roger@eyesopen.com>
9045 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9047 * gthr-posix.h (__gthrw): Fix typo in comment.
9049 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9051 * doc/cpp.texi (Character sets): Document that we do support
9052 input files to be in any character set.
9054 2006-02-23 Jeff Law <law@redhat.com>
9056 * tree.h (PHI_ARG_NONZERO): Remove.
9057 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9058 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9059 node to the new node.
9061 PR tree-optimization/26425
9062 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9063 min/max, then assume its varying.
9065 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9067 PR rtl-optimization/26316
9068 * rtlanal.c (enum may_trap_p_flags): New.
9069 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9070 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9071 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9072 (may_trap_after_code_motion_p): New function.
9073 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9074 (find_invariant_insn): Use may_trap_after_code_motion_p.
9075 * rtl.h (may_trap_after_code_motion_p): Declare.
9077 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9079 * emit-rtl.c (immed_double_const): Cleanup.
9081 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9083 Fix PR tree-optimization/26376
9084 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9087 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9090 * gimplify.c (omp_add_variable): Guard variable size decl test with
9091 DECL_SIZE (decl) check.
9093 2006-02-23 Richard Guenther <rguenther@suse.de>
9096 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9097 like aggregate types.
9099 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9101 * configure.ac: Add --with{,out}-long-double-128 configure option.
9102 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9103 * configure: Rebuilt.
9104 * config.in: Rebuilt.
9105 * doc/install.texi (Options specification): Document
9106 --with-long-double-128.
9108 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9109 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9110 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9111 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9113 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9115 * config/s390/s390.c (override_options): Handle
9116 TARGET_DEFAULT_LONG_DOUBLE_128.
9118 * config/alpha/alpha.c (override_options): Handle
9119 TARGET_DEFAULT_LONG_DOUBLE_128.
9121 * config/sparc/sparc.c (sparc_override_options): Handle
9122 TARGET_DEFAULT_LONG_DOUBLE_128.
9124 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9126 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9127 (real-install-headers-tar, real-install-headers-cpio)
9128 (real-install-headers-cp): New targets.
9130 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9132 * tree.h (variable_section): Delete.
9133 * varasm.c (variable_section): Delete.
9135 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9137 * install.texi: Add notes on install.texi2html.
9138 (Building in parallel): Do not use footnotes.
9140 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9143 * doc/install.texi (Configuration): Document --disable-libgomp.
9145 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9147 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9149 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9151 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9152 (vec_extractv2df_0_sse): New.
9154 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9156 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9157 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9158 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9159 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9160 to the result of the expression.
9161 (def_cfa_1): Adjust.
9162 (frame_pointer_cfa_offset): Rename to...
9163 (frame_pointer_fb_offset): ... this. Adjust all uses.
9164 (convert_cfa_to_loc_list): Rename to...
9165 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9166 Pass it on to build_cfa_loc.
9167 (compute_frame_pointer_to_cfa_displacement): Rename to...
9168 (compute_frame_pointer_to_fb_displacement): ... this. New
9169 offset parameter. Use it in computation.
9170 (gen_subprogram_die): Compute cfa_fb_offset with the new
9171 macro, and use it to compute the fb loc list and the
9174 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9176 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9177 replaced with register_operand.
9178 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9179 non-DREG is expensive.
9180 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9181 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9184 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9186 * doc/install.texi2html: Use set -e.
9188 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9190 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9191 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9192 * doc/invoke.texi (-fshared-data): Delete.
9193 * common.opt (fshared-data): Delete.
9194 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9195 (assemble_static_space): Remove #if 0 code.
9196 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9197 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9198 * config/cris/cris.h: Remove FIXME.
9200 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9202 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9205 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9208 * combine.c (simplify_shift_const_1): Disable nested shifts
9209 optimization for vector shifts.
9211 2006-02-20 Roger Sayle <roger@eyesopen.com>
9213 PR tree-optimization/26361
9214 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9215 of unsigned integer types.
9217 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9219 * tree-chrec.c (eq_evolutions_p): New.
9220 * tree-chrec.h (eq_evolutions_p): Declared.
9221 * tree-data-ref.c: Fix formatting.
9222 (datadep_stats, dependence_stats): New.
9224 (print_direction_vector): New.
9225 (dump_data_dependence_relation): Use print_direction_vector.
9226 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9227 (compute_subscript_distance): Static.
9228 (initialize_data_dependence_relation): Static. Get the number
9229 of loops surrounding the references from the callers, and initialize
9230 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9231 base_object_differ_p analyzers.
9232 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9233 compute_overlap_steps_for_affine_1_2,
9234 analyze_subscript_affine_affine): Count the classified dependences.
9235 Print a message when a test failed.
9236 (can_use_analyze_subscript_affine_affine): New.
9237 (analyze_siv_subscript): Compute the data dependences on symbolic
9238 scevs that verify can_use_analyze_subscript_affine_affine.
9239 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9240 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9241 Handle symbolic scevs.
9242 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9244 (subscript_dependence_tester): Moved...
9245 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9246 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9247 DDR_SIZE_VECT instead of getting it in parameter.
9248 (subscript_dependence_tester): ... here. Take as a parameter
9249 loop_nest_depth. Call build_classic_dist_vector and
9250 build_classic_dir_vector.
9251 (compute_affine_dependence): Update subscript_dependence_tester
9252 parameters. Update datadep_stats counters. Call
9253 compute_subscript_distance.
9254 (compute_self_dependence): Save the dist and dir vectors. Call
9255 compute_subscript_distance.
9256 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9257 (compute_all_dependences): Reorder parameters as they were before
9258 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9259 compute_subscript_distance. Update the use of
9260 compute_affine_dependence and initialize_data_dependence_relation.
9261 (find_data_references_in_loop): Handle COMPONENT_REF.
9262 (compute_data_dependences_for_loop): Initialize dependence_stats.
9263 Don't call build_classic_dist_vector and build_classic_dir_vector.
9264 Update the parameters of initialize_data_dependence_relation and
9265 compute_all_dependences. Print the statistics from datadep_stats.
9266 (analyze_all_data_dependences): Static. Not used until the pass for
9267 checking the data dependences is contributed.
9268 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9269 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9270 (initialize_data_dependence_relation, compute_affine_dependence,
9271 analyze_all_data_dependences, compute_subscript_distance): Removed.
9272 (print_direction_vector): New.
9273 * lambda.h (gcd): ... here.
9274 (lambda_vector_gcd): Moved here from gcd_vector.
9275 * lambda-code.c (gcd, gcd_vector): Removed.
9276 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9277 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9279 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9281 * ipa-type-escape.c: Tidy some comments and white space.
9282 * tree-ssa-operands.c: Likewise.
9284 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9287 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9288 (dump_decl_name): Do not walk the decl tree chains.
9289 * tree-pass.h (TDF_CHAIN): Remove.
9291 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9293 * Makefile.in (C): Remove
9295 (.PHONY): Remove C and PROTO
9297 2006-02-20 Roger Sayle <roger@eyesopen.com>
9300 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9301 deprecated CHAR_TYPE tree code.
9303 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9305 * configure.ac (target_list): Add install-info, dvi, html.
9306 * configure: Regenerate.
9308 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9309 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9310 treelang/Make-lang.in: Do not use double-colon rules.
9312 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9314 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9315 (TMT_USED_ALONE): New macro.
9316 * tree-pass.h (PROP_tmt_usage): New property.
9317 (TODO_update_tmt_usage): New todo.
9318 * tree-ssa-alias.c (updating_used_alone): New variable.
9319 (recalculate_used_alone): New function.
9320 (compute_may_aliases): Set updating_used_alone, call
9321 recalculate_used_alone.
9322 * tree-sra.c (pass_sra): Note that this pass destroys
9323 PROP_tmt_usage, and add TODO_update_tmt_usage.
9324 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9325 * tree-flow.h (updating_used_alone): Prototype.
9326 (recalculate_used_alone): Ditto.
9327 * passes.c (execute_todo): Add code to set updating_used_alone,
9328 and call recalculate.
9329 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9330 for clobber if used alone, and add assert to verify used_alone
9333 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9335 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9336 for non tls symbols added.
9337 (legitimize_address): Do nothing for PLUS expressions if one of the
9338 addends is a tls symbol reference.
9340 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9344 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9346 * Makefile.in (BOOTSTRAPPING): New.
9347 (quickstrap): New definition if BOOTSTRAPPING=yes.
9349 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9350 * configure.ac: Substitute all_selected_languages with the languages
9351 that were configured. For all the other variables except
9352 lang_specs_files, include all the languages in the tree.
9353 * configure: Regenerate.
9355 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9356 if there is one. Run the commands to run fixincludes in the same
9359 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9360 * doc/install.texi: Document exact conventions for searching target tools.
9361 Document --with-build-time-tools. Document toplevel bootstrap. Document
9362 something more about building an Ada cross-compiler. Don't list GNU Make
9363 requirements which affect all platforms.
9365 2006-02-19 Roger Sayle <roger@eyesopen.com>
9368 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9369 only equivalent if the have both the same mode and precision.
9371 2006-02-20 Ben Elliston <bje@au.ibm.com>
9373 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9375 2006-02-19 Roger Sayle <roger@eyesopen.com>
9376 Steven Bosscher <stevenb.gcc@gmail.com>
9378 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9379 constant pool references to identify stack mode constants.
9380 * rtlanal.c (constant_pool_constant_p): New predicate to check
9381 whether operand is a floating point constant in the pool.
9382 * rtl.h (constant_pool_constant_p): Prototype here.
9383 * loop.c (scan_loop): Avoid hoisting constants from the constant
9384 pool on STACK_REGS targets.
9385 (load_mems): Likewise.
9386 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9387 loads into x87 registers expensive in terms of register pressure.
9389 2006-02-19 Roger Sayle <roger@eyesopen.com>
9391 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9392 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9394 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9396 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9397 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9399 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9401 * doc/invoke.texi: Document -fipa-pta.
9402 * common.opt: Add ipa-pta option.
9403 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9404 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9405 (do_ds_constraint): Ditto.
9406 (get_constraint_for): Only add to referenced_vars if
9407 referenced_vars exists.
9408 (insert_into_field_list): Rewrite to do this unsorted.
9409 (insert_into_field_list_sorted): Rename old insert_into_field_list
9411 (create_function_info_for): Use insert_into_field_list_sorted.
9412 (create_variable_info_for): Rewrite so it uses unsorted version,
9413 since the field list is sorted.
9414 (intra_create_variable_infos): Only add to referenced_vars if
9415 referenced_vars exists.
9416 (ipa_pta_execute): Init heapvars, and delete when done.
9417 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9419 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9421 * doc/install.texi: Add missing `@samp'.
9423 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9425 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9428 2006-02-18 Mark Wielaard <mark@klomp.org>
9430 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9431 who added new 4.1 features, bug fixes and integration support.
9433 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9436 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9439 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9441 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9442 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9443 (copy_insn_1): Likewise. Don't copy each field individually.
9445 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9447 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9448 * rtl.c (rtx_size): Rename variable to...
9449 (rtx_code_size): ...this.
9450 (rtx_size): New function.
9451 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9452 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9454 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9455 * rtl.h (rtx_code_size): New variable.
9456 (rtx_size): Change from a variable to a function.
9457 (RTX_SIZE): Rename to...
9458 (RTX_CODE_SIZE): ...this.
9461 PR tree-optimization/17106
9462 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9463 (Anchored Addresses): New section.
9464 * doc/invoke.texi (-fsection-anchors): Document.
9465 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9466 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9467 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9468 * hooks.c (hook_bool_mode_rtx_false): New function.
9469 * hooks.h (hook_bool_mode_rtx_false): Declare.
9470 * gengtype.c (create_optional_field): New function.
9471 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9472 SYMBOL_REF_IN_BLOCK_P is true.
9473 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9474 (min_anchor_offset, max_anchor_offset): Likewise.
9475 (use_anchors_for_symbol_p): New hook.
9476 * toplev.c (compile_file): Call output_object_blocks.
9477 (target_supports_section_anchors_p): New function.
9478 (process_options): Check that -fsection-anchors is only used on
9479 targets that support it and when -funit-at-a-time is in effect.
9480 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9481 if the decl doesn't have one.
9482 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9483 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9484 of force_const_mem through use_anchored_address.
9485 (expand_expr_constant): New function.
9486 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9487 calling expand_expr for INDIRECT_REF.
9488 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9489 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9490 * expr.h (use_anchored_address): Declare.
9491 * loop-unroll.c: Don't declare rtx vectors here.
9492 * explow.c: Include output.h.
9493 (validize_mem): Call use_anchored_address.
9494 (use_anchored_address): New function.
9495 * common.opt (-fsection-anchors): New switch.
9496 * varasm.c (object_block_htab, anchor_labelno): New variables.
9497 (hash_section, object_block_entry_eq, object_block_entry_hash)
9498 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9499 (use_blocks_for_decl_p, change_symbol_section): New functions.
9500 (get_variable_section): New function, split out from assemble_variable.
9501 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9502 use_blocks_for_decl_p say so. Use change_symbol_section if the
9503 symbol has already been created.
9504 (assemble_variable_contents): New function, split out from...
9505 (assemble_variable): ...here. Don't output any code for
9506 block symbols; just pass them to place_block_symbol.
9507 Use get_variable_section and assemble_variable_contents.
9508 (get_constant_alignment, get_constant_section, get_constant_size): New
9509 functions, split from output_constant_def_contents.
9510 (build_constant_desc): Create a block symbol if use_object_blocks_p
9511 says so. Or into SYMBOL_REF_FLAGS.
9512 (assemble_constant_contents): New function, split from...
9513 (output_constant_def_contents): ...here. Don't output any code
9514 for block symbols; just pass them to place_section_symbol.
9515 Use get_constant_section and get_constant_alignment.
9516 (force_const_mem): Create a block symbol if use_object_blocks_p and
9517 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9518 (output_constant_pool_1): Add an explicit alignment argument.
9519 Don't switch sections here.
9520 (output_constant_pool): Adjust call to output_constant_pool_1.
9521 Switch sections here instead. Don't output anything for block symbols;
9522 just pass them to place_block_symbol.
9523 (init_varasm_once): Initialize object_block_htab.
9524 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9525 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9526 (place_block_symbol, get_section_anchor, output_object_block)
9527 (output_object_block_htab, output_object_blocks): New functions.
9528 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9529 (TARGET_ASM_OUT): Include it.
9530 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9531 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9532 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9533 (TARGET_INITIALIZER): Include them.
9534 * rtl.c (rtl_check_failed_block_symbol): New function.
9535 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9536 (block_symbol, object_block): New structures.
9537 (rtx_def): Add a block_symbol field to the union.
9538 (BLOCK_SYMBOL_CHECK): New macro.
9539 (rtl_check_failed_block_symbol): Declare.
9540 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9541 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9542 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9543 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9544 * output.h (output_section_symbols): Declare.
9545 (object_block): Name structure.
9546 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9547 (default_use_anchors_for_symbol_p): Declare.
9548 * Makefile.in (RTL_BASE_H): Add vec.h.
9549 (explow.o): Depend on output.h.
9550 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9551 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9552 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9553 (rs6000_use_blocks_for_constant_p): New function.
9555 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9557 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9559 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9562 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9565 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9567 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9571 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9574 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9575 instead of DECL_REGISTER.
9577 2006-02-18 Olivier Hainque <hainque@adacore.com>
9580 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9582 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9585 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9586 * opth-gen.awk: Handle Var and InverseMask together.
9587 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9588 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9589 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9590 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9592 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9593 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9594 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9595 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9596 LINUX_DYNAMIC_LINKER): Define.
9597 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9598 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9600 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9601 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9602 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9604 (TARGET_C99_FUNCTIONS): Don't define.
9605 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9606 GLIBC_DYNAMIC_LINKER.
9607 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9608 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9609 GLIBC_DYNAMIC_LINKER64): Define.
9610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9611 LINUX_DYNAMIC_LINKER64.
9612 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9614 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9616 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9618 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9619 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9620 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9622 and LINUX_DYNAMIC_LINKER32.
9623 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9625 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9627 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9629 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9630 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9631 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9632 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9633 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9634 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9635 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9636 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9637 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9638 LINUX_DYNAMIC_LINKER): Define.
9639 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9640 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9641 GLIBC_DYNAMIC_LINKER64): Define.
9642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9643 LINUX_DYNAMIC_LINKER64.
9644 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9645 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9646 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9647 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9648 LINUX_DYNAMIC_LINKER): Define.
9649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9650 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9651 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9652 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9653 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9654 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9655 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9656 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9657 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9658 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9660 * doc/invoke.texi (-muclibc): Remove caveat about supported
9663 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9665 * doc/cpp.texi (__TIMESTAMP__): Document.
9667 2006-02-17 Roger Sayle <roger@eyesopen.com>
9670 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9671 C is one less than the width of X (and related transformations).
9672 * simplify-rtx.c (simplify_unary_operation_1): Transform
9673 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9674 depending on STORE_FLAG_VALUE, were C is one less then the
9677 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9679 Fix PR tree-optimization/26341
9680 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9681 about NAME_MEMORY_TAG's.
9683 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9686 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9687 with hardware float support, and software float support. Add fcpy
9688 alternative to hardware patterns. Add alternatives to copy between
9689 general and floating-point registers to the 32-bit pattern.
9690 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9691 secondary reload to load a QI or HI mode constant into a floating
9693 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9694 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9696 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9699 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9701 (load_macho_picbase_di): Likewise.
9703 2006-02-16 Jeff Law <law@redhat.com>
9705 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9706 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9707 (ssa_name_nonzero_p): Likewise.
9708 (get_value_range): Return NULL if VRP is not running.
9709 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9710 VRP routines do not discover a range.
9711 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9712 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9713 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9714 (tree_expr_nonnegative_p): Similarly.
9715 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9716 (restore_nonzero_vars_to_original_value): Remove.
9717 (unsafe_associative_fp_binop): Remove.
9718 (tree_ssa_dominator_optimize): Remove initialization and
9719 finalization of nonzero_vars and nonzero_vars_stack.
9720 (dom_opt_initialize_block): No longer push marker on
9722 (dom_opt_finalize_block): No longer call
9723 restore_nonzero_vars_to_original_value.
9724 (record_equivalences_from_phis): No longer look for
9725 nonzero PHI arguments.
9726 (cprop_into_successor_phis): No longer propagate nonzero
9727 property into PHI arguments. Lose unused argument. Caller
9729 (record_equivalences_from_stmt): No longer record nonzero
9730 values for SSA_NAMEs.
9731 (lookup_avail_expr): No longer use nonzero_vars.
9733 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9734 for sizetype when sizetype is unsigned.
9736 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9738 PR rtl-optimization/25603
9739 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9740 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9741 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9742 with new meaning of SETS.
9744 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9749 * config/linux.opt: New file.
9750 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9751 LINUX_DYNAMIC_LINKER): Define.
9752 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9753 * config.gcc (*-*-linux*): Define extra_options.
9754 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9755 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9756 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9757 GLIBC_DYNAMIC_LINKER.
9758 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9759 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9760 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9761 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9762 * doc/invoke.texi (GNU/Linux Options): New section.
9764 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9766 * config/sparc/sparc.md (setjmp): Rewrite.
9767 (setjmp_32): Delete.
9768 (setjmp_64): Likewise.
9770 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9772 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9775 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9777 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9780 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9782 PR rtl-optimization/26296
9783 * Makefile.in (loop-invariant.c): Add except.h dependency.
9784 * loop-invariant.c: Include except.h.
9785 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9787 2005-02-16 Paul Brook <paul@codesourcery.com>
9789 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9792 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9794 PR rtl-optimization/25636
9795 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9796 when deciding whether an insn is an initializing insn.
9798 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9800 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9801 (tree_code_size): Ditto.
9802 * tree.h (struct tree_memory_tag): Remove parent_var.
9803 (struct tree_struct_field_tag): New.
9806 (union tree_node): Add sft member.
9807 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9809 (create_sft): Add size and offset argument, set SFT_OFFSET and
9811 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9812 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9813 * tree-flow-inline.h (get_subvar_at): Update for
9814 SFT_OFFSET/SFT_SIZE.
9815 (var_can_have_subvars): Ditto.
9816 (overlap_subvar): Ditto.
9817 * print-tree.c (print_node): Print out interesting things for
9819 * tree-flow.h (struct subvar): Remove offset and size members.
9820 * tree-ssa-operands.c (get_expr_operands): Update for
9821 get_indirect_ref_operands changes.
9822 (get_indirect_ref_operands): Call add_virtual_operand instead of
9823 add_stmt_operand. Only recurse on base var if requested.
9824 (access_can_touch_variable): New function.
9825 (add_stmt_operand): Split virtual operand handling into ...
9826 (add_virtual_operand): Here. Add offset, size, and for_clobber
9827 arguments. Prune alias sets.
9828 (add_call_clobber_ops): Call add_virtual_operand.
9830 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9833 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9835 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9836 than TREE_CODE as index into omp_clause_num_ops array.
9838 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9840 PR rtl-optimization/26184
9841 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9843 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9844 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9845 must_precede, must_follow and tobe_scheduled.
9848 * opts.c (common_handle_option): Free new_option pointer.
9849 * df-core.c (df_analyze): Free postorder pointer.
9851 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9853 * Makefile.in: Fix the examples about the use of stamps
9855 2006-02-15 Michael Matz <matz@suse.de>
9859 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9860 influenced by maximum_field_alignment or DECL_PACKED.
9861 (update_alignment_for_field): Ditto.
9862 (place_field): Ditto.
9863 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9866 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9868 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9869 (debug_flow_info): Pass it.
9870 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9871 * bb-reorder.c (reorder_basic_blocks): Likewise.
9872 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9873 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9874 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9875 * gcse.c (gcse_main, bypass_jumps): Likewise.
9876 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9877 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9878 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9879 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9880 * rtl.h (dump_flow_info): Adjust prototype.
9881 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9882 * var-tracking.c (variable_tracking_main): Likewise.
9883 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9884 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9887 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9889 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9892 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9894 PR tree-optimization/26209
9895 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9896 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9898 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9900 2006-02-14 Roger Sayle <roger@eyesopen.com>
9903 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9904 (X,Y) and the corresponding symmetry related transformations.
9905 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9906 (X,Y) and its symmetry related transformations.
9908 2006-02-14 Roger Sayle <roger@eyesopen.com>
9910 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9913 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9915 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9917 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9920 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9921 support COMDAT group.
9922 * configure: Regenerate.
9924 2006-02-14 Roger Sayle <roger@eyesopen.com>
9929 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9931 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9933 Fix PR tree-optimization/26260
9935 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9937 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9938 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9939 * tree-ssa-structalias.c (create_variable_info_for): Use
9940 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9942 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9944 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9946 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9947 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9948 of the ending condition.
9949 * tree-ssa-loop-manip.c: Include params.h.
9950 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9951 tree_unroll_loop): New functions.
9952 * tree-pass.h (pass_loop_prefetch): Declare.
9953 * loop.c (rest_of_handle_loop_optimize): Test for
9954 -fprefetch-loop-arrays-rtl.
9955 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9956 * timevar.def (TV_TREE_PREFETCH): New timevar.
9957 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9958 pass_loop_prefetch): New.
9959 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9960 (cleanup_tree_cfg_loop): Call scev_reset.
9961 * common.opt (fprefetch-loop-arrays-rtl): Add.
9962 * tree-ssa-loop-prefetch.c: New file.
9963 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9964 (new_temp_expr_table): Initialize expr_vars.
9965 (free_temp_expr_table): Cleanup expr_vars.
9966 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9967 expressions from being merged into one.
9968 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9969 (struct tree_niter_desc): Add control, bound and cmp fields.
9970 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9972 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9973 (tree-cfgcleanup.o): Add SCEV_H dependency.
9974 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9975 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9977 2006-02-14 Richard Guenther <rguenther@suse.de>
9979 PR tree-optimization/26258
9980 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9981 in PHI argument processing.
9983 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9985 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9986 new expression in the requested machine mode.
9988 2006-02-13 Roger Sayle <roger@eyesopen.com>
9990 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9991 directly, instead let do_compare_rtx_and_jump handle this for us.
9992 * expr.c (expand_expr_real_1): Likewise.
9993 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9994 before do_jump_by_parts_greater.
9995 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9996 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9998 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10000 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10002 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10004 PR rtl-optimization/26235
10005 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10006 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10009 2006-02-13 Jeff Law <law@redhat.com>
10011 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10014 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10016 PR middle-end/26092
10017 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10018 twice if decl is a builtin. When trying again, call get_callee_fndecl
10019 first to verify it is still a builtin.
10021 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10023 * dwarf2out.c (base_type_die): Don't add AT_name here.
10024 (subrange_type_die): Don't add AT_name here.
10025 (modified_type_die): Rearrange code flow. Do add AT_name here.
10027 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10029 PR rtl-optimization/26247
10030 PR rtl-optimization/26248
10031 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10033 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10035 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10036 * config/fixtfdi.c: Likewise.
10037 * config/fixunstfdi.c: Likewise.
10038 * config/floatditf.c: Likewise.
10040 2006-02-13 Roger Sayle <roger@eyesopen.com>
10042 PR middle-end/24427
10043 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10044 into (X,C2) if C1 is a subset of the bits of C2. Transform
10045 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10047 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10049 2006-02-13 Josh Conner <jconner@apple.com>
10052 * varasm.c (function_section): Check for section name before
10053 calling select_section on targets that define
10054 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10055 unlikely_text_section instead of hot_function_section if
10056 first_function_block_is_cold.
10058 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10060 PR middle-end/25335
10061 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10063 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10065 PR rtl-optimization/26222
10066 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10067 after tree->rtl expansion.
10068 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10069 before passing it to emit_move_insn.
10071 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10073 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10075 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10076 Clarify documentation.
10077 * c-common.h (warn_write_strings): Remove.
10078 * c-common.c (warn_write_strings): Likewise.
10079 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10082 2006-02-12 Roger Sayle <roger@eyesopen.com>
10084 PR middle-end/25724
10085 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10086 (do_jump_parts_zero_rtx): New function renamed from
10087 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10088 (do_jump_parts_equality_rtx): New function split out from
10089 do_jump_parts_equality. Old implementation renamed as above.
10090 Call do_jump_parts_zero_rtx if either operand is zero.
10091 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10092 do all of the heavy lifting.
10093 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10094 calling either do_jump_by_parts_greater_rtx or
10095 do_jump_by_parts_equality_rtx.
10096 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10097 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10098 moved to do_compare_rtx_and_jump, call it directly.
10099 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10100 mode argument. Call do_compare_rtx_and_jump.
10101 (emit_case_nodes): Update calls to do_jump_if_equal.
10103 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10105 PR rtl-optimization/26225
10106 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10108 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10110 PR rtl-optimization/26232
10111 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10113 2006-02-11 Jason Merrill <jason@redhat.com>
10116 * tree-inline.c (declare_return_variable): Just don't use the
10117 modify target if it's a gimple complex reg and the return slot
10120 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10122 * doc/contrib.texi: Update my entry.
10124 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10126 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10128 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10130 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10133 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10135 * doc/invoke.texi (-floop-optimize2): Removed.
10136 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10137 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10138 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10139 * common.opt (floop-optimize2): Removed.
10140 (fmove-loop-invariants): Enabled by default.
10142 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10144 * tree-if-conv.c (combine_blocks): Free the result of
10145 get_loop_exit_edges.
10147 2006-02-10 Jeff Law <law@redhat.com>
10149 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10151 PR tree-optimization/26213
10152 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10153 loop trying to follow SSA_NAME_VALUE chains.
10155 2006-02-10 Richard Guenther <rguenther@suse.de>
10157 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10158 deal with structures that end in implicitly variable sized arrays.
10160 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10162 PR rtl-optimization/24762
10163 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10166 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10168 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10169 (struct ivopts_data): Add regs_used field.
10170 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10171 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10172 instead of loop_data->regs_used;
10173 (free_loop_data): Do not free aux fields for loops.
10174 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10175 and tree_ssa_iv_optimize_finalize.
10177 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10179 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10181 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10184 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10185 computing the effective result type.
10187 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10189 PR inline-asm/16194
10190 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10191 (tree_overlaps_hard_reg_set): Declare.
10192 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10193 type and signature to match function type expected by walk_tree.
10194 (tree_overlaps_hard_reg_set): New function.
10195 (decl_conflicts_with_clobbers_p): Rename to:
10196 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10197 Use tree_overlaps_hard_reg_set. Changed caller.
10198 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10199 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10200 * cris.c (cris_md_asm_clobbers): Likewise.
10202 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10204 * reload1.c (emit_input_reload_insns): Delete code that tries to
10205 inherit using find_equiv_reg.
10207 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10209 * c-common.h (flag_const_strings): Don't declare.
10210 * c-common.c (flag_const_strings): Remove.
10211 * c.opt (fconst_strings): Remove.
10212 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10213 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10214 (c_common_init_options): Don't set flag_const_strings.
10215 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10217 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10219 * arm.md (tlobits_cbranch): New pattern.
10220 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10221 testing a single bit.
10223 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10226 * tree-ssa-pre.c (create_component_ref_by_pieces):
10227 Handle RETURN_DECL like VAR_DECL.
10229 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10231 PR middle-end/26134
10232 * fold-const.c (fold_indirect_ref_1): Fold
10233 "*(foo *)&complexfoo" to "__real__ complexfoo"
10234 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10236 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10238 * tree-flow-inline.h (var_can_have_subvars):
10239 Volatile variables should not have subvariables.
10241 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10244 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10245 multiplying unsigned values.
10248 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10250 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10252 2006-02-08 Jason Merrill <jason@redhat.com>
10255 * tree.def: Elaborate on difference from MODIFY_EXPR.
10256 * doc/c-tree.texi (INIT_EXPR): Likewise.
10257 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10258 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10259 (gimplify_target_expr): Likewise.
10260 (gimplify_cond_expr): Remove target handling.
10261 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10262 (gimplify_expr): Clobber it here.
10263 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10264 Do return slot optimization if we have an INIT_EXPR.
10267 * tree-inline.c (declare_return_variable): Also clear
10268 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10271 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10273 PR middle-end/22439
10274 * gimplify.c (gimplify_one_sizepos): Fix typo.
10276 2006-02-08 Jeff Law <law@redhat.com>
10278 PR tree-optimization/21417
10279 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10280 across a backedge if the control statement at the end of the
10281 block is data dependent on other statements in the same block.
10282 (record_temporary_equivalences_from_stmts): Remove over-conservative
10283 test for threading across backedges.
10285 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10286 control statement, handle all three special cases in the same
10287 manner as they all have the same desired solution. No longer
10288 special case edge flag updating when the post dominator is
10291 2006-02-08 Roger Sayle <roger@eyesopen.com>
10293 * tree.def (CHAR_TYPE): Remove.
10294 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10295 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10296 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10297 (gen_string_type_die): Delete unreachable function.
10299 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10300 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10301 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10302 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10303 * builtins.c (type_to_class): Likewise.
10304 * fold-const.c (fold_convert, build_range_check,
10305 merge_ranges): Likewise.
10306 * expr.c (count_type_elements): Likewise.
10307 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10308 * stor-layout.c (layout_type): Likewise.
10309 * ipa-type-escape.c (type_to_consider): Likewise.
10310 * gimplify.c (omp_firstprivatize_type_sizes,
10311 gimplify_type_sizes): Likewise.
10312 * explow.c (promote_mode): Likewise.
10313 * tree-sra.c (is_sra_scalar_type): Likewise.
10314 * varasm.c (output_constant): Likewise.
10315 * tree-inline.c (remap_type_1): Likewise.
10316 * convert.c (convert_to_pointer, convert_to_real,
10317 convert_to_integer, convert_to_complex): Likewise.
10319 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10321 * df-scan.c (df_def_record_1): A set destination may
10322 be a parallel regardless of mode.
10324 2006-02-08 Roger Sayle <roger@eyesopen.com>
10327 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10328 * config/mips/_tilib.c: Remove.
10329 * config/fixtfdi.c: New libgcc source file.
10330 * config/fixunstfdi.c: New source file.
10331 * config/floatditf.c: New source file.
10332 * config/floatunditf.c: New souce file.
10333 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10334 files above instead of config/mips/_tilib.c.
10335 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10337 2006-02-08 Jeff Law <law@redhat.com>
10339 PR tree-optimization/26169
10340 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10343 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10345 * df.h (DF_REG_SIZE): Return the length of the initialized
10348 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10350 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10351 __muldf3): Return a correctly signed zero.
10353 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10355 * passes.c (register_one_dump_file): Accept the current properties
10356 instead of pass number. Adjust call to dump_register. Remove
10358 (register_dump_files): Now a wrapper around...
10359 (register_dump_files_1): ... this one. Do not modify the pass
10361 (next_pass_1): Cosmetic fix.
10362 (execute_todo): Keep second parameter only. Use curr_properties
10363 instead of fetching it from the pass structure. Check and set
10365 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10366 instead of fetching it from the pass structure. Fix calls to
10367 execute_todo. Update curr_properties and initialize .vcg RTL dump
10368 after running the pass. Reset last_verified.
10369 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10371 (FIRST_AUTO_NUMBERED_DUMP): New.
10372 (dump_register): Remove "num" parameter, assign it within the
10374 (get_dump_file_name): Modify template for dumps.
10375 * tree-dump.h (dump_register): Adjust prototype.
10376 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10377 (PROP_trees): Add PROP_gimple_lomp.
10378 (TODO_set_props): New.
10379 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10380 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10381 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10383 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10385 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10386 (sparc64-*-linux*): Likewise.
10387 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10388 * config/sparc/t-linux: New file.
10389 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10390 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10391 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10392 -m32 -mlong-double-128.
10394 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10395 * config/alpha/t-linux: New file.
10396 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10398 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10399 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10400 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10401 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10402 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10403 (CPP_ARCH32_SPEC): Remove.
10405 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10407 PR tree-optimization/26145
10408 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10411 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10414 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10415 >= 240000 when generating code for SOM runtime.
10416 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10417 to $$dyncall when generating code for SOM runtime..
10419 2006-02-07 Dirk Mueller <dmueller@suse.com>
10422 * doc/invoke.texi (-Wsequence-point): Update documentation
10423 that -Wsequence-point is implemented for C++ as well.
10425 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10427 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10428 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10429 (LIB_SPEC): Likewise.
10430 * doc/invoke.texi (SPARC options): Document -pthread.
10432 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10434 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10437 2006-02-07 Roger Sayle <roger@eyesopen.com>
10439 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10440 Correct comment describing BOOLEAN_TYPE.
10442 2006-02-07 Dirk Mueller <dmueller@suse.com>
10444 * c.opt: C++ frontend supports -Wdiv-by-zero.
10445 * c-opts.c (c_common_handle_option): Remove dead case.
10447 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10449 * configure.ac (TLS assembler check): Do not enable TLS by
10450 default on SPARC/Solaris before version 10.
10451 * configure: Regenerate.
10453 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10455 * doc/invoke.texi (xl-compat): Document conversion and support
10458 2006-02-07 Jeff Law <law@redhat.com>
10460 * tree-vrp.c (find_conditional_asserts): Update comments.
10461 (simplify_stmt_for_jump_threading): New.
10462 (identify_jump_threads, finalize_jump_threads): New.
10463 (vrp_finalize): Call identify_jump_threads.
10464 (execute_vrp): Call finalize_jump_threads.
10465 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10466 (vrp_element, vrp_data, vrp_element_p): Remove.
10467 (vrp_hash_elt, vrp_variables_stack): Remove.
10468 (vrp_hash, vrp_eq, record_range): Remove.
10469 (simplify_cond_and_lookup_avail_expr): Remove.
10470 (extract_range_from_cond): Remove.
10471 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10472 (simplify_stmt_for_jump_threading): New.
10473 (dom_thread_across_edge): New wrapper.
10474 (tree_ssa_dominator_optimize): No longer initialize or
10475 finalize any of the VRP datastructures. Remove iteration
10476 step and simplify as a result of removal of iteration step.
10477 (pass_dominator): Perform a cfg cleanup after DOM.
10478 (dom_opt_finalize_block): Use the new common routines
10479 for threading jumps. Simplify stack management slightly.
10480 No longer need to unwind VRP state.
10481 (record_equivalences_from_incoming_edge): No longer record
10483 (eliminate_redundant_computations): No longer call
10484 simplify_cond_and_lookup_avail_expr.
10485 * tree-flow.h (potentially_threadable_block): Prototype.
10486 (thread_across_edge): Likewise.
10487 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10488 (tree-ssa-threadedge.o): Add dependencies.
10489 * tree-ssa-threadedge.c: New file.
10490 * passes.c (init_optimization_passes): Merge PHIs before
10491 calling VRP. Run VRP again late in the SSA optimization pipeline.
10493 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10495 * df-core.c (df_set_blocks): Do not dereference function pointers.
10496 (df_finish1): Likewise.
10497 (df_hybrid_search_forward): Likewise.
10498 (df_hybrid_search_backward): Likewise.
10499 (df_iterative_dataflow): Likewise.
10500 (df_analyze_problem): Likewise.
10501 (df_compact_blocks): Likewise.
10502 (df_dump): Likewise.
10503 * df-scan.c (df_rescan_blocks): Likewise.
10504 (df_record_entry_block_defs): Likewise.
10506 * genconditions.c (write_conditions): Guard the definition of
10507 'insn_conditions' with the check on GCC version.
10508 (write_writer): Guard the traversal 'insn_conditions' with
10509 the check on GCC version.
10511 2006-02-07 Richard Guenther <rguenther@suse.de>
10515 2006-01-30 Richard Guenther <rguenther@suse.de>
10517 * gimplify.c (gimplify_target_expr): Handle easy cases
10518 without creating a temporary.
10520 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10522 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10523 use of float in probability computations. Use edge probabilities
10524 in place of statically computed probabilities.
10525 (min_spec_prob): New static variable.
10526 (schedule_insns): Initialize it.
10527 (GET_SRC_PROB): Removed.
10528 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10530 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10533 * config/ia64/unwind-ia64.c: Revert last change.
10534 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10535 (INCOMING_FRAME_SP_OFFSET): Define.
10537 2006-02-06 Roger Sayle <roger@eyesopen.com>
10539 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10541 2006-02-07 Ben Elliston <bje@au.ibm.com>
10543 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10544 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10545 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10546 (ix86_return_in_memory): Handle TDmode.
10547 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10548 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10550 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10552 * reorg.c (dbr_schedule): Use dump_file instead of file.
10554 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10557 * config/ia64/predicates.md (extr_len_operand): New predicate.
10558 * config/ia64/ia64.md (extv): Tighten constraints.
10560 (*tbit_and_2): Ditto.
10561 (*tbit_and_3): Ditto.
10562 (*tbit_or_2): Ditto.
10563 (*tbit_or_3): Ditto.
10564 (*bit_zero): Ditto.
10567 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10570 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10572 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10574 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10575 loop_optimizer_init and loop_optimizer_finalize
10576 * tree-ssa-sink.c (execute_sink_code): Ditto.
10577 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10578 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10579 tree_ssa_loop_done): Ditto.
10580 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10581 * sched-ebb.c: Include output.h.
10582 (schedule_ebbs): Do not use dump argument.
10583 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10584 * loop.c (loop_dump_stream): Removed.
10585 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10587 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10588 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10589 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10590 loop_iterations, strength_reduce, record_biv, record_giv,
10591 final_giv_value, check_final_value, check_ext_dependent_givs,
10592 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10593 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10594 dump_file instead of loop_dump_stream.
10595 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10596 argument dump_file.
10597 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10599 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10600 * haifa-sched.c: Include output.h
10601 (schedule_insns, sched_init): Do not use dump argument.
10602 * mode-switching.c (optimize_mode_switching): Ditto.
10603 * modulo-sched.c (stats_file): Removed.
10604 (print_node_sched_params): Do not call argument dump_file.
10605 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10606 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10608 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10610 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10611 rtl_loop_init, rtl_loop_done): Ditto.
10612 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10613 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10615 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10616 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10617 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10618 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10619 * emit-rtl.c (renumber_insns): Ditto.
10620 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10621 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10622 * regclass.c (regclass): Ditto.
10623 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10624 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10625 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10626 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10628 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10629 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10631 * gcse.c (gcse_file, debug_stderr): Removed.
10632 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10633 rest_of_handle_gcse): Do not use dump argument.
10634 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10635 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10636 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10637 compute_code_hoist_vbeinout, compute_code_hoist_data,
10638 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10639 compute_store_table, build_store_vectors, insert_insn_start_bb,
10640 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10641 store_motion): Use dump_file instead of gcse_file.
10642 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10643 * profile.c (profile_dump_file): Removed.
10644 (branch_prob): Use dump_file instead of profile_dump_file.
10645 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10647 * tree-ssa-copy.c (dump_copy_of): Ditto.
10648 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10649 dump file to life_analysis.
10650 * bt-load.c (branch_target_load_optimize): Ditto.
10651 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10653 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10654 regclass, dbr_schedule): Declaration changed.
10655 * sched-int.h (sched_init): Declaration changed.
10656 * tree-profile.c (tree_profile_dump_file): Removed.
10657 (tree_profile_hooks): Removed profile_dump_file hook.
10658 * rtl-profile (rtl_profile_dump_file): Removed.
10659 (rtl_profile_hooks): emoved profile_dump_file hook.
10660 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10662 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10663 * tree-cfg.c (build_tree_cfg): Ditto.
10664 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10665 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10666 Declaration changed.
10667 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10668 life_analysis and schedule_insns.
10669 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10671 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10673 * config/mips/mips.c (mips_reorg): Ditto.
10674 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10677 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10679 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10680 (s390_mangle_fundamental_type): New.
10681 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10684 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10685 (alpha_mangle_fundamental_type): New.
10686 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10689 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10691 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10693 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10694 (sparc_mangle_fundamental_type): New.
10696 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10698 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10699 (s390x-*-linux*): Likewise.
10700 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10701 * config/s390/t-linux: New file.
10703 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10705 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10706 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10708 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10710 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10711 (ANTIC_SAFE_LOADS): New macro.
10712 (find_or_generate_expression): Add prototype.
10713 (set_contains_value): Allow null set for sake of not always having
10714 to allocate ANTIC_SAFE_LOADS.
10715 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10716 Allow COMPONENT_REF too.
10717 (valid_in_set): Allow COMPONENT_REF.
10718 Check ANTIC_SAFE_LOADS too.
10719 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10720 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10722 (can_PRE_operation): Add COMPONENT_REF.
10723 (create_component_ref_by_pieces): New function.
10724 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10725 (insert_aux): Move AGGREGATE_TYPE_P check here.
10726 (compute_avail): Set bb local stmt uids.
10727 (pass_pre): Use TODO_update_ssa_only_virtuals.
10729 2006-02-06 Ben Elliston <bje@au.ibm.com>
10731 * configure.ac: Unconditionally disable decimal float by default.
10732 * configure: Regenerate.
10734 2006-02-06 Ben Elliston <bje@au.ibm.com>
10736 * read-rtl.c (read_name): Terminate reading on EOF.
10738 2006-02-06 Ben Elliston <bje@au.ibm.com>
10740 * dfp.c (decimal_real_arithmetic): Change second argument type
10741 from int to enum tree_code. Do not always return true, but now
10742 return result of any call to decimal_do helper functions.
10743 * dfp.h (decimal_real_arithmetic): Update prototype.
10745 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10747 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10749 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10752 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10755 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10757 * tree-vrp.c (cfg_loops): Removed.
10758 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10759 Use current_loops instead of cfg_loops. Pass flags to
10760 loop_optimizer_init.
10761 * cfgloopmanip.c (fix_loop_structure): Update only available
10763 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10764 loop_optimizer_init.
10765 * modulo-sched.c (build_loops_structure): Removed.
10766 (sms_schedule): Use loop_optimizer_init.
10767 * loop-init.c (loop_optimizer_init): Use flags to determine
10768 which properties of loops to prepare.
10769 (rtl_loop_init): Pass flags to loop_optimizer_init.
10770 * tree-ssa-sink.c (execute_sink_code): Ditto.
10771 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10772 * tree-ssa-pre.c (init_pre): Ditto.
10773 * cfgloop.h (LOOPS_NORMAL): New.
10774 (loop_optimizer_init): Declaration changed.
10776 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10778 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10779 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10781 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10783 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10785 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10786 * pa/t-pa64: Delete quadlib.c rule.
10787 * pa/x-ada: Revert last change.
10788 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10790 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10792 PR rtl-optimization/26087
10793 * rtlanal.c (canonicalize_condition): Do not cross basic block
10796 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10799 * config/ia64/ia64.c: Include debug.h.
10800 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10801 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10802 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10803 (process_epilogue, process_set, process_for_unwind_directive):
10804 Output unwind info only if requested. Add CFA info if requested.
10805 Add new arguments as needed. Adjust callers.
10806 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10808 (DWARF2_FRAME_INFO): Define to zero.
10809 * config/ia64/unwind-ia64.c: Remove code that compensated for
10810 the CFA offset error fixed above.
10811 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10812 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10813 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10814 -funwind-tables and -fexceptions to enable frame info.
10815 (dwarf2out_frame_init): Define initial CFA even if
10816 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10817 DWARF2_UNWIND_INFO is nonzero, not just defined.
10818 (dwarf2out_frame_finish): Output non-EH call frame info only
10819 if DWARF2_FRAME_INFO is nonzero.
10820 (convert_cfa_to_loc_list,
10821 compute_frame_pointer_to_cfa_displacement): Define even if
10822 unwind info is not supported.
10823 (gen_subprogram_die): Use the above unconditionally. Remove
10824 legacy alternate code.
10825 * toplev.c (compile_file): Compile in call to
10826 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10827 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10829 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10830 Jakub Jelinek <jakub@redhat.com>
10832 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10833 IBM extended float format long double as "g" on powerpc*-linux.
10835 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10838 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10839 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10841 2006-02-03 Jason Merrill <jason@redhat.com>
10844 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10846 PR middle-end/25977
10847 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10848 on the return slot if it's an NRV.
10850 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10852 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10853 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10854 rewrite_use): Do not handle USE_OUTER.
10855 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10856 add_iv_outer_candidates, may_replace_final_value,
10857 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10858 (find_interesting_uses_op): Functionality of
10859 find_interesting_uses_outer_or_nonlin moved here.
10860 (find_interesting_uses_outside): Use find_interesting_uses_op.
10862 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10865 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10867 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10868 Ulrich Weigand <uweigand@de.ibm.com>
10871 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10872 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10873 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10874 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10876 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10877 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10878 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10879 Define secondary reloads for TFmode moves.
10880 (constant_modes): Add TFmode.
10881 (NR_C_MODES): Set to 8.
10882 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10884 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10885 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10886 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10887 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10888 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10889 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10890 (FPR mode macro): Add TFmode.
10891 (DSF mode macro): New.
10892 (<de>, <dee> mode attributes): Removed.
10893 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10894 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10895 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10896 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10897 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10898 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10899 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10900 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10901 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10902 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10903 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10904 "*negabs<mode>2", "sqrt<mode>2"):
10905 Changed <de> to <xde>. R constraint replaced by <Rf>.
10906 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10908 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10909 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10910 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10912 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10913 "extenddftf2", "extendsftf2"): New expanders.
10914 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10915 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10916 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10917 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10919 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10920 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10921 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10922 __floatditf): Add a GCC_4.1.0 symbol version tag.
10923 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10926 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10929 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10930 Use targetm.binds_local_p instead of TREE_PUBLIC.
10932 2006-02-02 Roger Sayle <roger@eyesopen.com>
10934 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10935 on INTEGER_TYPEs to indicate that it denotes a character type.
10936 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10937 signed_char_type_node, unsigned_char_type_node and char_type_node.
10938 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10939 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10940 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10942 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10943 Daniel Berlin <dberlin@dberlin.org>
10945 * tree-tailcall.c (arg_needs_copy_p): New function.
10946 (eliminate_tail_call): Use arg_needs_copy_p.
10947 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10948 (add_virtual_phis): New function.
10950 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10952 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10953 #ignore instead of #scratch for %g7 .register directive.
10955 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10957 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10960 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10962 * flow.c (calculate_global_regs_live): Assert that there aren't any
10965 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10967 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10968 what its name says.
10969 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10970 bsi_after_labels iterator.
10971 * tree-if-conv.c (find_phi_replacement_condition,
10972 replace_phi_with_cond_modify_expr): Likewise.
10973 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10974 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10976 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10978 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10980 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10983 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10984 array after growing it.
10986 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10988 PR middle-end/24901
10989 * fold-const.c (fold_checksum_tree): Change type of buf.
10991 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10993 * reload.c (push_secondary_reload): Initialize t_icode.
10995 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10997 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10998 -msoft-float -mlong-double-128 only issue a warning, but don't
10999 swich to DFmode long double.
11001 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11003 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11004 has a constant equivalent, iterate over equivalents for arg0,
11005 calling simplify_relational_operation and if there's a result
11006 cheaper than X, apply fold_rtx and return the result.
11008 2006-02-01 Jan Hubicka <jh@suse.cz>
11010 * opts.c (no_unit_at_a_time_default): New global variable.
11011 (decode_options): Use it.
11012 * opts.h (no_unit_at_a_time_default): Declare.
11014 2006-02-01 Paul Brook <paul@codesourcery.com>
11016 * function.c (assign_parm_setup_reg): Use function argument promotion
11018 * expr.c (expand_expr_real_1): Use function argument promotion rules
11021 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11023 * gcc.c (process_command): Change j to 'unsigned int'.
11025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11027 PR middle-end/26001
11028 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11029 Use the corrected index for the character
11030 out of the string constant.
11032 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11034 * mode-switching.c (optimize_mode_switching): Fix size
11035 allocated for bb_info[n_entities].
11037 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11039 * gcc.c (main): Correct type that is allocated for
11040 explicit_link_files.
11042 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11044 * config/s390/s390.c (init_alignment_context): Set
11045 ALIAS_SET_MEMORY_BARRIER on the MEM.
11046 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11048 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11050 PR middle-end/25933
11051 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11053 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11056 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11058 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11059 * regrename.c: Ditto.
11060 * tree-ssa-loop-im.c: Ditto.
11061 * tree-dump.c: Ditto.
11062 * tree-complex.c: Ditto.
11063 * genrecog.c: Ditto.
11064 * tree-ssa-threadupdate.c: Ditto.
11066 * java/class.c: Ditto.
11067 * java/jcf-parse.c: Ditto.
11068 * java/resource.c: Ditto.
11069 * java/except.c: Ditto.
11070 * java/jvspec.c: Ditto.
11071 * java/jcf-write.c: Ditto.
11072 * java/jcf-path.c: Ditto.
11073 * java/gjavah.c: Ditto.
11074 * java/zextract.c: Ditto.
11075 * java/jcf-io.c: Ditto.
11076 * java/jcf.h: Ditto.
11077 * java/buffer.c: Ditto.
11078 * java/lang.c: Ditto.
11079 * java/parse-scan.y: Ditto.
11080 * java/lex.c: Ditto.
11081 * java/lex.h: Ditto.
11082 * cfgloopmanip.c: Ditto.
11083 * postreload-gcse.c: Ditto.
11084 * tree-ssa-loop-manip.c: Ditto.
11085 * postreload.c: Ditto.
11086 * tree-ssa-loop-ch.c: Ditto.
11089 * cppspec.c: Ditto.
11090 * diagnostic.c: Ditto.
11092 * genoutput.c: Ditto.
11094 * cfghooks.c: Ditto.
11095 * cfgloopanal.c: Ditto.
11096 * objc/objc-act.c: Ditto.
11098 * genextract.c: Ditto.
11099 * genautomata.c: Ditto.
11100 * pretty-print.c: Ditto.
11101 * genemit.c: Ditto.
11102 * cgraphunit.c: Ditto.
11104 * df-scan.c: Ditto.
11105 * haifa-sched.c: Ditto.
11106 * dominance.c: Ditto.
11108 * tree-ssa-loop-ivopts.c: Ditto.
11109 * df-core.c: Ditto.
11110 * mode-switching.c: Ditto.
11111 * modulo-sched.c: Ditto.
11113 * ipa-pure-const.c: Ditto.
11115 * fix-header.c: Ditto.
11117 * tree-stdarg.c: Ditto.
11118 * ipa-utils.c: Ditto.
11119 * loop-init.c: Ditto.
11120 * ipa-inline.c: Ditto.
11121 * cfganal.c: Ditto.
11123 * alloc-pool.c: Ditto.
11124 * dwarf2out.c: Ditto.
11126 * genattrtab.c: Ditto.
11127 * tree-ssa-loop-ivcanon.c: Ditto.
11128 * predict.c: Ditto.
11129 * timevar.c: Ditto.
11131 * fortran/gfortranspec.c: Ditto.
11132 * regmove.c: Ditto.
11133 * local-alloc.c: Ditto.
11134 * langhooks.c: Ditto.
11135 * function.c: Ditto.
11136 * tree-vectorizer.c: Ditto.
11138 * ipa-type-escape.c: Ditto.
11140 * tree-if-conv.c: Ditto.
11141 * profile.c: Ditto.
11143 * tree-data-ref.c: Ditto.
11144 * loop-unroll.c: Ditto.
11145 * treelang/treetree.c: Ditto.
11147 * bt-load.c: Ditto.
11148 * ggc-common.c: Ditto.
11150 * coverage.c: Ditto.
11152 * tree-cfgcleanup.c: Ditto.
11153 * tree-ssa-pre.c: Ditto.
11154 * cfgcleanup.c: Ditto.
11155 * loop-invariant.c: Ditto.
11156 * loop-iv.c: Ditto.
11157 * ipa-prop.c: Ditto.
11158 * print-tree.c: Ditto.
11159 * conflict.c: Ditto.
11160 * ggc-page.c: Ditto.
11161 * sched-deps.c: Ditto.
11162 * regclass.c: Ditto.
11163 * tree-object-size.c: Ditto.
11164 * combine.c: Ditto.
11165 * bb-reorder.c: Ditto.
11166 * resource.c: Ditto.
11167 * var-tracking.c: Ditto.
11168 * cfgloop.c: Ditto.
11169 * df-problems.c: Ditto.
11170 * reg-stack.c: Ditto.
11172 * gccspec.c: Ditto.
11173 * sched-rgn.c: Ditto.
11174 * tree-ssa-structalias.c: Ditto.
11175 * tree-ssa-reassoc.c: Ditto.
11176 * config/darwin-c.c: Ditto.
11177 * config/darwin.c: Ditto.
11178 * config/arm/arm.c: Ditto.
11180 * collect2.c: Ditto.
11181 * reload1.c: Ditto.
11183 2006-01-31 Nicolas Pitre <nico@cam.org>
11185 * arm.md (smaxsi3): Make aware of smax_m1.
11188 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11190 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11192 2006-01-31 Richard Guenther <rguenther@suse.de>
11194 * doc/invoke.texi (-msselibm): Document.
11195 * target.h (expand_library_builtin): New target hook.
11196 * builtins.c (expand_builtin): Use expand_library_builtin.
11197 (default_expand_library_builtin): New function.
11198 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11199 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11200 (link_gcc_math_spec): Declare.
11201 (static_specs): Add link_gcc_math_spec.
11202 * expr.h (default_expand_library_builtin): Declare.
11203 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11204 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11205 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11206 * config/i386/i386.opt (msselibm): New target option.
11207 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11208 (ix86_init_sse_abi_builtins): New function.
11209 (ix86_expand_library_builtin): Likewise.
11210 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11211 (override_options): Handle error conditions wrt -msselibm.
11212 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11213 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11214 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11217 2006-01-31 Richard Guenther <rguenther@suse.de>
11218 Paolo Bonzini <bonzini@gnu.org>
11220 * doc/install.texi (--disable-libgcc-math): Document.
11222 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11224 * expr.h (expand_normal): new inline function.
11225 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11226 * dojump.c: use it.
11227 * dwarf2out.c: use it.
11230 * expmed.c: use it.
11231 * except.c: use it.
11232 * config/sparc/sparc.c: use it.
11233 * config/i386/i386.c: use it.
11234 * config/rs6000/rs6000.c: use it.
11235 * config/arm/arm.c: use it.
11236 * config/mips/mips.c: use it.
11237 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11239 2006-01-30 Roger Sayle <roger@eyesopen.com>
11241 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11242 argv to the appropriate type.
11244 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11246 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11249 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11252 * config/s390/s390.c (struct machine_function): New flag
11253 decomposed_literal_pool_addresses_ok_p.
11254 (s390_reorg): Set it before final stage of literal pool transforms.
11255 (s390_decompose_address): Only accept displacements of the form
11256 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11258 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11260 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11261 the comparison routine return.
11263 2006-01-30 Michael Matz <matz@suse.de>
11265 * global.c (find_reg): Only evict for global regs.
11266 Take n_refs into account and dump more info.
11268 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11271 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11272 (pragma_trap, pragma_nosave_low_regs): Likewise.
11273 (current_function_anonymous_args): Likewise.
11274 (sh_deferred_function_attributes): New variable.
11275 (sh_deferred_function_attributes_tail): Likewise.
11276 (print_operand): For '@', look up trap_exit attribute.
11277 (calc_live_regs): Look up trapa_handler attribute. For trapa
11278 handlers, save/restore fpscr, but don't do any other
11279 interrupt-specific saves.
11280 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11281 Fix check for partially saved registers to check for SHmedia.
11282 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11283 (sh_output_function_epilogue): Don't clear any of the removed
11285 (sh_insert_attributes): Don't check pragma_interrupt.
11286 Insert deferred attributes. Check that interrupt attribute is
11287 present for other attributes that require its presence.
11288 (sh_attribute_table): Add new attributes trapa_handler and
11290 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11291 Don't check for pragma_interrupt. Don't store argument.
11292 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11293 (sh_deferred_function_attributes): Declare.
11294 (sh_deferred_function_attributes_tail): Likewise.
11295 * sh.md (sp_switch_1): Add operand. Change generator caller.
11296 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11297 (*return_i): Don't use when trap_exit attribute is in effect.
11298 (*return_trapa): New insn pattern.
11299 * sh-c.c: New file.
11300 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11301 setting c_target_objs and cxx_target_objs.
11302 * t-sh: Add rule for sh-c.o.
11304 2006-01-30 Richard Guenther <rguenther@suse.de>
11307 * gimplify.c (gimplify_target_expr): Handle easy cases
11308 without creating a temporary.
11310 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11312 * vec.h (safe_grow): Remove duplicated line.
11314 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11317 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11318 (expand_omp): ... here.
11319 (expand_omp_parallel): Only remove barriers for combined
11320 parallel+workshare constructs.
11322 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11326 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11327 * tree.c (build_qualified_type): Chain the new type to the original
11328 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11329 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11330 (build_pointer_type_for_mode): Only return unqualified types.
11331 (build_reference_type_for_mode): Likewise.
11333 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11335 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11336 * Makefile.in (CXX_COMPAT_WARN): Define.
11337 * configure: Regenerate.
11339 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11342 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11345 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11347 * toplev.c: Fix thinko.
11349 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11350 Marcin Dalecki <martin@dalecki.de>
11352 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11353 (push_srcloc): Use XNEW.
11354 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11356 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11358 * df-core.c (df_set_blocks): Deleted all variable.
11360 2006-01-28 Ian Lance Taylor <ian@airs.com>
11362 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11363 cgraph_output_pending_asms.
11365 2006-01-28 Zack Weinberg <zackw@panix.com>
11367 * c.opt: Add -W(no-)overlength-strings.
11368 * doc/invoke.texi: Document it.
11369 * c-opts.c (c_common_handle_option): -pedantic implies
11370 -Woverlength-strings, if not explicitly disabled already.
11371 (c_common_post_options): -Woverlength-strings defaults to off, and
11372 is always off for C++.
11373 * c-common.c (fix_string_type): Issue warning about strings longer
11374 than is portable only if warn_overlength_strings. Rearrange code
11375 a little for clarity.
11376 * configure.in: Check for -Wno-overlength-strings as well before
11377 enabling -pedantic in stage 1.
11378 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11379 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11381 * genconditions.c (write_header, write_one_condition)
11382 (write_conditions, write_writer): Consolidate very long strings
11383 that were broken up to fit in C89 portable limit. Don't use
11384 printf when fputs will do.
11386 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11388 * combine.c (simplify_comparison <AND>): Check
11389 TRULY_NOOP_TRUNCATION before start using a subreg.
11391 * config/mips/mips.md (*branch_zero<mode>,
11392 *branch_zero<mode>_inverted, *branch_equality<mode>,
11393 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11394 Remove mode check from comparisons.
11396 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11398 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11400 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11402 * expmed.c (const_mult_add_overflow_p): Remove.
11403 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11405 * recog.c (validate_replace_rtx_subexp): Remove.
11406 * recog.h: Remove the prototype for
11407 validate_replace_rtx_subexp.
11409 * integrate.h: Remove the prototype for
11410 copy_decl_for_inlining.
11411 * rtl.h: Remove the prototype for mark_constant_function.
11412 * tree-vectorizer.h: Remove the prototype for
11413 vect_strip_conversion.
11415 * modulo-sched.c (create_partial_schedule,
11416 free_partial_schedule, reset_partial_schedule): Make them
11419 * hooks.c (hook_bool_rtx_int_false): Remove.
11420 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11422 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11424 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11425 and -mlong-double-128 are incompatible.
11426 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11427 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11428 (TARGET_LIBGCC2_CFLAGS): Define.
11429 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11430 (TARGET_LIBGCC2_CFLAGS): Same.
11431 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11433 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11436 * c-typeck.c (build_binary_op): Perform implicit casts of
11437 operands before shortening them.
11439 * cfgloopmanip.c (split_loop_bb): Remove.
11440 * cfgloop.h: Remove the prototype for split_loop_bb.
11442 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11443 * cfgloop.h: Remove the prototype for
11444 flow_loop_outside_edge_p.
11446 * emit-rtl.c (init_virtual_regs): Make it static.
11447 * function.h: Remove the prototype for init_virtual_regs.
11449 * recog.c (peephole2_optimize): Make it static.
11450 * recog.h: Remove the prototype for peephole2_optimize.
11452 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11454 * df-scan.c (df_record_entry_block_defs): Check if
11455 INCOMING_RETURN_ADDR_RTX is defined.
11457 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11458 Kenneth Zadeck <zadeck@naturalbridge.com>
11460 PR rtl-optimization/24762
11461 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11462 * targhooks.c (hook_void_bitmap): New hook prototype.
11463 * targhoohs.h (hook_void_bitmap): Ditto.
11464 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11465 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11466 * target.h (live_on_entry): New function pointer.
11467 * df-scan.c (df_all_hard_regs): Removed.
11468 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11469 (df_scan_free_internal): Added df->entry_block_defs.
11470 (df_scan_alloc): Ditto.
11471 (df_scan_dump): Ditto.
11472 (df_uses_record): Plumbed flag field properly thru calls.
11473 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11474 This part fixes PR24762.
11475 (df_bb_refs_record): Added code to make the frame and arg
11476 pointers live in EH blocks.
11477 (df_refs_record): Added call to df_record_entry_block_defs.
11478 (df_record_entry_block_defs): New function.
11479 * df-core.c: Added comments to describe new artifical defs.
11480 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11481 (entry_block_defs): New field in struct df.
11482 (df_all_hard_regs): Deleted.
11483 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11484 * df-problems.c (df_ru_bb_local_compute_process_def):
11485 Added code to handle artifical defs in the entry to a function.
11486 (df_ru_bb_local_compute): Ditto.
11487 (df_rd_bb_local_compute_process_def): Ditto.
11488 (df_rd_bb_local_compute): Ditto.
11489 (df_lr_bb_local_compute): Ditto.
11490 (df_ur_bb_local_compute): Ditto.
11491 (df_urec_bb_local_compute): Ditto.
11492 (df_chain_create_bb): Ditto.
11493 (df_ur_local_finalize): Removed entry.
11494 (df_urec_init): Ditto.
11495 (df_urec_local_finalize): Ditto.
11496 (df_ri_bb_compute): Added detection of last use of pseudos.
11497 * Makefile.in (df-scan.o): Updated dependencies.
11498 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11499 * config/mips/mips.c (mips_set_live_on_entry): Added.
11500 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11502 * dce.c (marked_insn_p): Added code to handle artifical defs.
11504 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11506 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11508 (_mm_cvtsi128_si64): Likewise.
11509 (_mm_cvtsd_si64): Likewise.
11510 (_mm_cvttsd_si64): Likewise.
11511 (_mm_cvtsi64_sd): Likewise.
11512 (_mm_cvtsi64_si128): Likewise.
11513 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11514 (_mm_cvtsi64_m64): Likewise.
11515 (_m_to_int64): Likewise.
11516 (_mm_cvtm64_si64): Likewise.
11517 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11518 (_mm_cvttss_si64): Likewise.
11519 (_mm_cvtsi64_ss): Likewise.
11520 (_mm_cvtss_f32): Likewise.
11522 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11524 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11525 for pragma redefine_extname.
11527 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11530 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11531 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11532 -mno-minimal-toc to previous content.
11533 (bispecs): Remove goal.
11534 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11535 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11536 compatibility aliases on powerpc-*-*gnu*.
11537 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11538 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11539 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11540 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11541 (ldblspecs): New goal.
11542 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11543 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11545 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11546 L_sf_to_tf or L_df_to_tf is defined.
11548 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11549 Alan Modra <amodra@bigpond.net.au>
11552 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11553 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11554 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11555 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11556 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11557 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11558 (rs6000_override_options): Initialize rs6000_ieeequad.
11559 Initialize TFmode format to ibm_extended_format if not
11561 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11563 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11564 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11565 (function_arg_advance): IBM long double passed in two FPRs, not
11567 (function_arg): IBM long double passed in FPRs.
11568 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11569 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11570 Only multireg GPR aligned.
11571 (rs6000_init_libfuncs): Enable IBM long double functions if not
11573 (rs6000_generate_compare): Use IBM long double compare if not
11575 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11576 (TARGET_IEEEQUAD): Define.
11577 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11578 not TARGET_IEEEQUAD.
11579 * config/rs6000/rs6000.md: Enable TFmode patterns if
11581 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11582 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11583 and -mlong-double-128 are incompatible.
11584 * doc/invoke.texi (-mabi): Collect options together. Add
11585 ibmlongdouble and ieeelongdouble.
11587 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11589 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11591 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11592 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11593 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11594 * rtl.h (rtunion_def): Remove rt_ptr.
11596 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11597 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11598 * config/i386/winnt.c (i386_pe_mark_dllexport)
11599 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11601 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11603 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11605 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11609 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11610 pthread_key_delete. From John David Anglin. gthrw-ify
11611 pthread_getunique_np only if it it's not a macro. Delete
11613 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11614 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11615 __gthread_objc_condition_signal, __gthread_key_delete): Add
11616 "__attribute__ ((__unused__))" to unused arguments.
11617 (__gthread_recursive_mutex_init_function): Add missing return.
11618 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11619 gthr-posix95.h: Use macro-based approach for name redirection
11620 on targets missing weakref.
11622 2006-01-26 Zack Weinberg <zackw@panix.com>
11624 * genconditions.c (write_header): In generated code, #ifdef out
11625 all includes and fake declarations, except includes of bconfig.h
11626 and system.h, unless GCC_VERSION >= 3001. Do not include
11627 gensupport.h in any case.
11628 (write_conditions): Generate a definition of struct c_test. Add
11629 a comment to the generated #endif.
11630 (write_one_condition): Escape backslashes in string too.
11631 (write_writer): Generated code must escape backslashes and quote
11632 marks (but not newlines) in the strings it writes.
11633 * Makefile.in (build/gencondmd.o): Update dependencies.
11635 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11638 * Makefile.in (insn-automata.o): Add header file dependencies.
11639 * genautomata.c: Add includes.
11641 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11644 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11646 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11648 * configure.ac: Expect target tools paths to be passed from the toplevel
11649 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11651 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11653 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11656 * c.opt (Wpointer-sign): Init to -1.
11657 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11658 OPT_pedantic, to 0 otherwise.
11659 * doc/invoke.texi: Update.
11661 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11663 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11664 constants provided by 80387 instructions in the destination mode.
11666 2006-01-26 Richard Guenther <rguenther@suse.de>
11667 Andrew Pinski <pinskia@physics.uc.edu>
11670 partial PR tree-opt/17064
11671 * tree-ssa-structalias.c (intra_create_variable_infos):
11672 Create heap variables for incoming parameters if
11673 flag_argument_noalias > 1.
11674 (find_what_p_points_to): Look through default defs of
11677 2006-01-26 Jeff Law <law@redhat.com>
11680 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11681 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11682 within the VR_RANGE, use the VR_RANGE as the result, not the
11684 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11685 bounds for the type.
11687 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11689 * tree-ssa-alias.c (maybe_create_global_var): Change
11690 subvar walking to an assertion that we don't have subvar'd variables.
11692 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11695 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11696 Use a new variable, inner. PARM_DECLs are always non-weak.
11698 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11700 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11701 --disable-checking.
11703 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11705 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11707 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11709 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11710 (smax_insn, smin_insn, smax_0, smin_0): New.
11712 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11715 * config/cris/cris.c (cris_order_for_addsi3): New function.
11716 * config/cris/cris-protos.h: Prototype it.
11717 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11718 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11719 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11720 (split for "op.S1 [rx=rx+i],ry (swapped)")
11721 (split for "op(s|u).S1 [rx=rx+i],ry")
11722 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11723 Apply cris_order_for_addsi3 when generating addsi3 insns.
11725 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11727 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11728 (TREE_BLOCK): Add call to EXPR_CHECK.
11730 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11733 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11734 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11735 (dump_omp_clauses): ... here.
11736 (dump_generic_node): Handle OMP_CLAUSE.
11737 * tree.c (omp_clause_num_ops): New.
11738 (omp_clause_code_name): New.
11739 (tree_code_size): Handle OMP_CLAUSE.
11740 (tree_size): Likewise.
11741 (make_node): Document handling of OMP_CLAUSE.
11742 (tree_node_structure): Handle OMP_CLAUSE.
11743 (omp_clause_check_failed): New.
11744 (omp_clause_range_check_failed): New.
11745 (omp_clause_operand_check_failed): New.
11746 (build_omp_clause): New.
11747 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11748 * tree.h (enum omp_clause_code): Declare.
11749 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11750 (OMP_CLAUSE_RANGE_CHECK): Define.
11751 (OMP_CLAUSE_ELT_CHECK): Define.
11752 (omp_clause_check_failed): Declare.
11753 (omp_clause_operand_check_failed): Declare.
11754 (omp_clause_range_check_failed): Declare.
11755 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11756 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11757 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11758 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11759 (OMP_CLAUSE_IF_EXPR): Likewise.
11760 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11761 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11762 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11763 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11764 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11765 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11766 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11767 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11768 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11769 (OMP_CLAUSE_CODE): Define.
11770 (OMP_CLAUSE_SET_CODE): Define.
11771 (OMP_CLAUSE_CODE): Define.
11772 (OMP_CLAUSE_OPERAND): Define.
11773 (struct tree_omp_clause): Declare.
11774 (union tree_node): Add field 'omp_clause'.
11775 * treestruct.def (TS_OMP_CLAUSE): Define.
11776 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11777 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11778 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11779 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11780 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11781 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11782 (OMP_CLAUSE): Define.
11783 * print-tree.c (print_node): Handle OMP_CLAUSE.
11784 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11785 * c-typeck.c: Likewise.
11786 * gimplify.c: Likewise.
11787 * c-omp.c: Likewise.
11788 * tree-nested.c: Likewise.
11789 * tree-inline.c: Likewise.
11790 * c-parser.c: Likewise.
11791 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11794 2006-01-25 Roger Sayle <roger@eyesopen.com>
11796 PR rtl-optimization/25703
11797 * combine.c (try_combine): Handle zero_extract and strict_low_part
11798 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11800 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11802 * global.c: Fix comment typos.
11804 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11807 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11808 Use output_addr_const instead of assemble_name.
11810 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11812 * Makefile.in (sched-vis.o): Update dependencies.
11813 * haifa-sched.c (sched_finish): Clear current_sched_info.
11814 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11815 (dump_flow_info): Call it.
11816 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11818 * basic-block.h (dump_bb_info): Declare.
11819 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11820 option, and apply options only for dump files whose TDF_RTL,
11821 TDF_TREE, or TDF_IPA bits match.
11822 * rtl.h: Declare new functions exported from sched-vis.c.
11823 * sched-vis.c: Enable also if scheduling is not used.
11824 (print_value): Print the mode of registers if not inside scheduling.
11825 (print_insn): Make it work outside the scheduler. Beautify the output
11827 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11829 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11831 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11832 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11833 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11834 depending on the value of CONSTANT_POOL_ADDRESS_P.
11835 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11837 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11838 rather than SYMBOL_REF_DECL.
11839 (rtx_constant_pool): Remove const_rtx_sym_htab.
11840 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11841 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11842 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11843 Remove handling of const_rtx_sym_htab.
11844 (find_pool_constant): Delete.
11845 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11846 rather than find_pool_constant.
11847 (get_pool_constant_for_function): Delete.
11848 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11849 find_pool_constant.
11850 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11851 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11852 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11853 (SYMBOL_REF_CONSTANT): New macro.
11854 (get_pool_constant_for_function): Delete.
11855 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11856 rather than SYMBOL_REF_DECL.
11857 (i386_pe_mark_dllimport): Likewise.
11858 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11859 rather than SYMBOL_REF_DECL.
11860 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11861 (machopic_indirect_call_target): Likewise.
11863 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11865 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11867 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11869 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11871 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11873 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11875 2006-01-24 David Daney <ddaney@avtrex.com>
11878 * configure.ac (enable_tls): New enable option.
11879 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11880 * configure: Regenerate.
11881 * doc/install.texi (--enable-tls): Document new option.
11882 (--disable-tls): Ditto.
11884 2006-01-24 Richard Henderson <rth@redehat.com>
11886 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11887 * alias.c (true_dependence): Respect it.
11888 (canon_true_dependence, write_dependence_p): Likewise.
11889 * builtins.c (get_builtin_sync_mem): Set it.
11891 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11893 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11896 2006-01-24 DJ Delorie <dj@redhat.com>
11898 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11899 for storing constants in single-bit bitfields.
11901 2006-01-25 Ben Elliston <bje@au.ibm.com>
11903 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11905 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11908 * tree-ssa-pre.c (phi_translate): Return NULL
11909 for AGGREGATE_TYPE's.
11911 2006-01-24 Zack Weinberg <zackw@panix.com>
11913 * genautomata.c (process_state_for_insn_equiv_partition):
11914 Use xcalloc for insn_arcs_array.
11915 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11916 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11918 2006-01-24 Richard Henderson <rth@redhat.com>
11920 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11921 update all callers.
11923 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11925 PR rtl-optimization/25890
11926 PR rtl-optimization/25905
11927 * combine.c (expand_compound_operation, expand_field_assignment):
11928 Fail if the bitfield's final position is out of bounds.
11930 2006-01-24 Ian Lance Taylor <ian@airs.com>
11932 PR middle-end/25930
11933 * cgraphunit.c (cgraph_output_in_order): Don't clear
11934 cgraph_asm_nodes until after asm strings have been output.
11936 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11938 * fix-header.c (read_scan_file): Add new parameter imultilib when
11939 calling register_include_chains.
11941 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11943 * omp-low.c: Update documentation.
11945 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11946 Daniel Berlin <dberlin@dberlin.org>
11950 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11951 return from the function.
11953 2006-01-22 Zack Weinberg <zackw@panix.com>
11955 * rtl.def (match_code): Add second argument.
11956 * genpreds.c (write_extract_subexp): New function.
11957 (write_match_code): Add path argument. Use write_extract_subexp.
11958 (write_predicate_expr): Pass path to write_match_code.
11959 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11960 not perform a mode test.
11961 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11962 a subexpression does not constrain the top-level code set.
11963 * read-rtl.c (read_rtx_variadic): New function.
11964 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11965 * doc/md.texi: Document new notation.
11966 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11967 (cmpsi_operand): ... here, using new notation.
11969 2006-01-22 Zack Weinberg <zackw@panix.com>
11971 * varray.c: Remove GENERATOR_FILE #ifdefs.
11973 2006-01-22 Zack Weinberg <zackw@panix.com>
11975 * genautomata.c (output_reserved_units_table): Emit nothing if
11976 description->query_units_num is zero. Remove extra blank line.
11977 (output_cpu_unit_reservation_p): Short circuit
11978 if description->query_units_num is zero.
11980 2006-01-22 Zack Weinberg <zackw@panix.com>
11982 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11983 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11984 nor any of the random handful of variables that used to be necessary
11985 when this program was linked with rtlanal.o. Prune set of forward
11986 function declarations.
11987 (struct attr_desc): Remove static_p field.
11988 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11989 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11990 (attr_string): Do not read the character one past the length of
11992 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11993 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11994 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11995 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11996 (make_automaton_attrs): New.
11997 (main): Do not call into genautomata. Call local gen_bypass
11998 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11999 Remove special case for insn_alts.
12000 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12001 varray.h (leftover from previous change). Prune set of forward
12002 function declarations. Remove state_alts fields from all
12003 structures. Remove state_alts_table from struct automaton.
12004 Make everything except main static. Do not maintain num_dfa_decls.
12005 Do not maintain state_alts fields of various structures.
12006 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12007 (add_arc): Remove state_alts argument. All callers updated.
12008 (output_reserved_units_table): Emit #ifdef here...
12009 (output_tables): ...not here. Don't generate state_alts tables.
12010 (expand_automata): Don't generate attributes.
12011 (write_automata): Don't generate state_alts functions.
12012 (main): New function.
12013 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12014 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12015 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12016 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12017 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12018 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12019 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12020 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12022 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12023 * genattrtab.h: Delete file.
12024 * Makefile.in (OBJS-common): Add insn-automata.o.
12025 (insn-automata.o): New rule.
12026 (simple_generated_c): Add insn-automata.c.
12027 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12028 (genprogmd): Add automata.
12029 (build/genattrtab): Needs no extra objects nor libraries.
12030 (build/genautomata): Needs build/vec.o and -lm.
12032 2006-01-22 Zack Weinberg <zackw@panix.com>
12034 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12035 (output_dfa_max_issue_rate, locked_states_num): Delete.
12036 (struct automaton): Add locked_states field.
12037 (output_dead_lock_vect): Save number of locked states in
12038 automaton->locked_states. If it is zero, don't print anything.
12039 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12040 (output_internal_dead_lock_func): Only test the dead_lock_vect
12041 for automata that have locked states.
12042 (output_statistics): Always print the number of locked states for
12043 each automaton. Calculate total number of locked states here.
12044 (write_automata): Don't call output_dfa_max_issue_rate.
12045 * genattrtab.c: Define length_unit_log as a const variable.
12046 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12047 max_insn_queue_index const.
12048 * final.c (length_unit_log): Declare const.
12049 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12051 2006-01-22 Zack Weinberg <zackw@panix.com>
12053 * genautomata.c: Include vec.h, not varray.h.
12054 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12055 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12056 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12057 VEC_* macros operating on appropriately typed vectors, or to
12058 malloced arrays when the size is known in advance. Const-ify
12059 many char* variables and function arguments. No functional changes.
12060 * Makefile.in (build/varray.o): Delete rule.
12061 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12062 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12064 2006-01-22 Zack Weinberg <zackw@panix.com>
12066 * gensupport.c: Define get_insn_name and record_insn_name here.
12067 (read_md_rtx): Call record_insn_name as appropriate.
12068 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12069 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12070 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12072 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12073 (BUILD_VARRAY): Delete.
12074 (genprognormal): Rename genprogmd. Fold in all programs from
12075 genprognoprint; also attrtab.
12076 (build/genattrtab): Just mention genautomata.o and varray.o.
12077 Reorganize a bit, add comments to make the categories clearer.
12079 2006-01-22 Zack Weinberg <zackw@panix.com>
12081 * genconditions.c (condition_table, add_condition): Delete.
12082 (write_conditions): Don't emit n_insn_conditions nor
12083 insn_elision_unavailable. Issue the gcc version #ifdef here,
12084 inside the table, with no #else clause ...
12085 (write_header): ...not here.
12086 (write_writer): New function.
12087 (main): Don't initialize condition_table. Use add_c_test.
12089 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12090 files on the command line.
12091 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12092 Return -1 if there is no entry in the table, don't abort.
12093 (add_c_test, traverse_c_tests): New functions.
12094 * gensupport.h (insn_elision_unavailable, insn_conditions)
12095 (n_insn_conditions): Delete declarations.
12096 (add_c_test, traverse_c_tests): Declare.
12097 * read-rtl.c: Include gensupport.h.
12098 (read_conditions): New function.
12099 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12100 (read_rtx_1): If we get EOF when we were looking for an initial
12101 open paren, return 0. Call read_conditions when appropriate.
12102 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12103 dummy-conditions.o. Eliminate references to insn-conditions.o,
12104 or change them to build/gencondmd.o, as appropriate. Remove
12105 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12106 from $(simple_generated_c). For all files remaining in those
12107 two lists, add insn-conditions.md to the generator command line.
12108 Give insn-constants.h/s-constants their own rules. Add rules
12109 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12110 (build/read-rtl.o): Depend on gensupport.h.
12111 (genprognormal): Include preds.
12112 (genprogearly): Rename genprognoprint; only difference is now that
12113 they don't link with $(BUILD_PRINT).
12114 * dummy-conditions.c: Delete.
12116 2006-01-22 Zack Weinberg <zackw@panix.com>
12118 * genextract.c: Don't include insn-config.h. Do include vec.h.
12119 Declare vectors of int, char, and locstr.
12120 (locstr): New typedef.
12121 (struct extraction): Make all array fields into bare pointers.
12122 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12123 (insn_code_number): Delete.
12124 (accum_extract): New struct.
12125 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12126 (gen_insn): Take insn_code_number as an argument. Use an
12127 accum_extract structure instead of loading data directly into
12128 a struct extraction, and having to know how big it might get.
12129 (walk_rtx): Operate entirely on an accum_extract structure.
12130 (print_path): Avoid unnecessary use of printf.
12131 (print_header): New function, split out of main. Distinguish
12132 more carefully between an unrecognizable insn and an insn that
12133 has the code number of a define_expand.
12134 (main): Pass insn_code_number to gen_insn. Call print_header
12135 only after parsing. Avoid unnecessary use of printf.
12136 * Makefile.in (build/vec.o): New rule.
12137 (build/genextract): Depend on build/vec.o.
12138 (build/genextract.o): Don't depend on insn-config.h.
12140 2006-01-22 Zack Weinberg <zackw@panix.com>
12142 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12143 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12144 practical. Eliminate per-generator-program link rules.
12146 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12148 PR middle-end/24437
12149 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12150 with a call expr to ...
12151 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12153 2006-01-23 Richard Guenther <rguenther@suse.de>
12155 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12156 before make_edge with conditional EDGE_TRUE_VALUE.
12158 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12159 Jan Hubicka <jh@suse.cz>
12160 Richard Guenther <rguenther@suse.de>
12162 PR rtl-optimization/25654
12163 * cfgexpand.c (aggregate_contains_union_type): New function.
12164 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12165 for structure variables that contain a union type.
12167 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12169 * gengtype.c (new_structure): Return the structure.
12170 (create_option): Add an extra "next" argument.
12171 (create_field): New function.
12172 (adjust_field_rtx_def): Use create_option and create_field.
12173 Remove a now-unnecessary call to find_structure.
12174 (adjust_field_tree_def): Likewise.
12175 (note_yacc_type): Remove an unnecessary call to find_structure.
12176 * gengtype.h (new_structure): Return the structure.
12177 (create_option): Add an extra argument.
12178 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12179 (option): Adjust calls to create_option.
12181 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12183 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12185 2006-01-22 Paul Brook <paul@codesourcery.com>
12186 Peter Barada <peter@the-baradas.com>
12188 * config/m68k/m68k.md: Add Coldfire FPU support.
12189 Define FP mode macro and associated attributes.
12190 Use it for float mode patterns.
12191 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12192 (LIBCALL_VALUE): Use m68k_libcall_value.
12193 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12194 (m68k_function_value): Ditto.
12195 (emit_move_sequence): Ditto.
12196 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12197 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12198 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12199 (MULTILIB_EXCEPTIONS): Ditto.
12200 * config/m68k/m68k.opt: Add mcfv4e.
12201 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12202 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12203 (m68k_output_function_prologue): Save ColdFire FPU registers.
12204 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12205 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12206 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12207 ColdFire FPU registers.
12208 (m68k_libcall_value, m68k_function_value): New functions.
12209 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12210 (LIBCALL_VALUE): Use m68k_libcall_value.
12211 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12212 (MASK_COLDFIRE): Add MASK_CFV4E.
12213 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12214 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12215 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12216 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12217 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12218 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12219 * doc/invoke.tex: Document -mcfv4e on m68k.
12221 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12223 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12226 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12229 * c-opts.c (c_common_handle_option): Don't include
12230 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12231 * doc/invoke.texi (C++ Dialect Options): Document that
12232 -Wnon-virtual-dtor is no longer included in -Wall.
12234 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12236 * gcov.c (print_version), gcov-dump.c (print_version),
12237 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12240 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12242 * df-scan.c (problem_SCAN): Added NULL reset function.
12243 (df_scan_reset_blocks): Added code to call reset block function
12244 (df_bb_refs_delete) Fixed comment.
12245 (df_insn_refs_delete): Made tolerant of deleting non existent info
12246 for dataflow problems that need to be reset.
12247 * df-core.c (df_set_blocks): Ditto.
12248 * df.h (struct df_problem): Added reset_fun.
12249 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12250 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12251 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12252 functions to clear out all references to def-use or use-def chains.
12254 2006-01-21 Ben Elliston <bje@au.ibm.com>
12256 * varasm.c (assemble_real): Initialise data array.
12258 2006-01-20 Paul Brook <paul@codesourcery.com>
12260 Merge from csl-arm-branch.
12261 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12262 * config/arm/arm.md (movdi): Force operands[1] to a register
12263 if we have a non-register source.
12264 (*arm_movdi, *movdf_soft_insn): Require that one of the
12265 operands be a register.
12266 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12267 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12269 2006-01-20 DJ Delorie <dj@redhat.com>
12271 * varasm.c (initializer_constant_valid_p): Allow pointers
12272 initialized from integer constants of lesser precision.
12273 (output_constant): Allow non-int-sized pointer modes to be
12274 initialized from integer constants.
12276 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12279 * cppdefault.h (struct default_include): Add multilib flag.
12280 * cppdefault.c (cpp_include_defaults): Set it.
12281 * c.opt (-imultilib): New option.
12282 * c-opts.c (imultilib): New.
12283 (c_common_handle_option): Handle -imultilib.
12284 (c_common_post_options): Likewise.
12285 * c-incpath.c (add_standard_paths, register_include_chains):
12287 * c-incpath.h (register_include_chains): Add extra parameter.
12288 * gcc.c (do_spec_1): Generate -imultilib option.
12289 (The Specs Language): Update %I description.
12290 (process_command): Update copyright notice.
12291 * doc/cppopts.texi (-imultilib): Document.
12292 * doc/invoke.texi (-imultilib): Include in option summary.
12293 (%I): Update specs documentation.
12295 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12297 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12299 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12301 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12304 2006-01-20 Richard Guenther <rguenther@suse.de>
12305 Steven Bosscher <stevenb.gcc@gmail.com>
12307 PR rtl-optimization/24626
12308 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12309 EDGE_TRUE_VALUE if in RTL mode.
12312 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12313 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12315 2006-01-20 Dirk Mueller <dmueller@suse.com>
12318 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12319 instead of a special NOP marker.
12320 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12321 NOP marker handling.
12322 * c-common.h (empty_body_warning): Add forward declaration.
12323 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12324 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12326 2006-01-20 Paul Brook <paul@codesourcery.com>
12328 * Makefile.in (lang_checks): Keep going if mkdir fails.
12330 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12332 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12333 be able to clean out basic block when not necessary.
12334 (df_scan_free): Fixed to properly delete information if df is
12335 unused before calling df_finish.
12336 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12337 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12339 (df_bb_refs_delete): New function.
12340 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12341 * df-core.c (df_set_blocks): Added code to properly clean out
12342 unused blocks if they are not part of the blocks to consider.
12343 Added additional null check.
12344 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12345 be able to clean out basic block when not necessary
12346 * df.h (df_free_bb_function): Ditto.
12347 (df_bb_refs_delete): New function.
12348 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12349 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12350 basic block parameter to be able to clean out basic block when not
12352 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12353 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12354 Fixed to properly delete information if df is unused before
12357 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12359 PR rtl-optimization/25799
12360 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12361 Corrected confluence operator to remove bits from op2 before oring
12362 with op1 rather than removing bits from op1.
12363 (df_ru_transfer_function): Corrected test on wrong bitmap which
12364 caused infinite loop. Both of these problems were introduced in
12365 the dataflow rewrite.
12367 2006-01-19 DJ Delorie <dj@redhat.com>
12369 * reload1.c (find_reload_regs): Note the details of reload
12370 failures in the dump file.
12371 (spill_failure): Likewise.
12373 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12375 * loop-iv.c: Include df.h and hashtab.h.
12376 (enum iv_grd_result): New enum.
12377 (DF_REF_IV, DF_REF_IV_SET): New macros.
12378 (struct biv_entry): New.
12379 (df, bivs): New global variables.
12380 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12381 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12383 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12384 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12385 analyzed_for_bivness_p, record_biv): New functions.
12386 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12387 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12388 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12390 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12392 (iv_number_of_iterations): Use new interface to iv analysis.
12393 * loop-unroll.c: Do not include varray.h.
12394 (analyze_iv_to_split_insn): Use new interface to iv
12396 * loop-unswitch.c (may_unswitch_on): Ditto.
12397 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12399 (df_bb_modify): Realloc tables to the new index.
12400 (df_find_use): New function.
12401 * df.h (df_find_use): Declare.
12402 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12404 * cfgloop.h (struct rtx_iv): Remove analysed field.
12405 (iv_get_reaching_def): Removed.
12406 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12407 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12408 (loop-iv.o): Add df.h and hashtab.h dependency.
12409 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12411 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12414 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12416 (__floatundisf, __floatundidf): Likewise.
12417 * libgcc2.h (IS_IBM_EXTENDED): Define.
12419 2006-01-19 DJ Delorie <dj@redhat.com>
12421 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12423 2006-01-19 Paul Brook <paul@codesourcery.com>
12425 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12426 as nothrow when unwinding tables are disabled.
12428 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12431 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12432 of bit-field" when in system header.
12434 2006-01-19 DJ Delorie <dj@redhat.com>
12436 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12437 the 16 bit shift limit of the m16c.
12439 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12442 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12443 * config/i386/i386.c (output_set_got): Output the label if we have one
12444 for the TARGET_DEEP_BRANCH_PREDICTION case.
12446 2006-01-19 Jan Hubicka <jh@suse.cz>
12447 H.J. Lu <hongjiu.lu@intel.com>
12448 Evandro Menezes <evandro.menezes@amd.com>
12450 * invoke.texi (generic): Document
12452 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12453 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12454 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12455 (x86_use_incdec, x86_pad_returns): New variables
12456 (TARGET_CPU_DEFAULT_generic): New constant
12457 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12458 (enum processor_type): Add generic32 and generic64.
12459 * i386.md (cpu attribute): Add generic32/generic64
12460 (movhi splitter): Behave sanely when both partial_reg_dependency and
12461 partial_reg_stall are set.
12462 (K8 splitters): Enable for generic as well.
12463 * predicates.md (incdec_operand): Use TARGET_INCDEC
12464 (aligned_operand): Avoid memory mismatch stalls.
12465 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12466 * ppro.md: Enable for generic32
12467 * i386.c (generic64_cost, generic32_cost): New.
12468 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12469 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12470 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12471 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12472 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12473 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12474 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12475 x86_accumulate_outgoing_args, x86_prologue_using_move,
12476 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12477 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12478 Enable for generic.
12479 (x86_use_incdec, x86_pad_returns): New.
12480 (override_options): Add generic32 and generic64, translate "generic"
12481 to generic32/generic64 and "i686" to "generic32", refuse
12482 "generic32"/"generic64" as arch target.
12483 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12484 (ix86_reorg): Honor PAD_RETURNS.
12486 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12488 * tree-pretty-print.c (dump_generic_node): Handle
12489 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12490 * cgraph.c (cgraph_expand_queue): Rename from
12491 cgraph_analyze_queue. Update all users.
12492 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12493 cgraph_expand_queue.
12494 (cgraph_expand_all_functions): Likewise.
12495 (cgraph_finalize_pending_functions): Remove. Update callers.
12497 * tree.h (OMP_DIRECTIVE_P): Define.
12498 (OMP_PARALLEL_FN): Define.
12499 (OMP_PARALLEL_DATA_ARG): Define.
12500 (OMP_SECTIONS_SECTIONS): Define.
12501 * tree-pass.h (pass_expand_omp): Declare.
12502 * omp-low.c (struct omp_region): Declare.
12503 (struct omp_context): Remove fields 'parallel_type',
12504 'parallel_start_ix' and 'parallel_start_additional_args'.
12506 (struct omp_for_data): Rename from struct expand_omp_for_data.
12507 (omp_regions): New static variable.
12508 (root_omp_region): New static variable.
12509 (find_omp_clause): Make static.
12510 (is_in_combined_parallel_ctx): Remove.
12511 (is_combined_parallel): New.
12512 (extract_omp_for_data): Move earlier in the file.
12513 (workshare_safe_to_combine_p): New.
12514 (get_ws_args_for): New.
12515 (determine_parallel_type): Move earlier in the file.
12516 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12518 (omp_copy_decl): Likewise.
12519 (create_omp_child_function): Likewise.
12520 (lookup_omp_region): New.
12521 (dump_omp_region): New.
12522 (debug_omp_region): New.
12523 (debug_all_omp_regions): New.
12524 (new_omp_region): New.
12525 (scan_omp_parallel): If parallel_nesting_level > 1, the
12526 directive is nested within another parallel directive.
12527 Set OMP_PARALLEL_FN.
12528 (scan_omp_for): Do not try to handle combined parallel+for
12530 Remove FIXME comment.
12531 (scan_omp_nested): Remove.
12532 (scan_omp_1): Do not call scan_omp_nested when
12533 parallel_nesting_level is > 1.
12534 Do not change the DECL_CONTEXT of local variables found.
12535 (lookup_decl_in_outer_ctx): New.
12536 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12537 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12538 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12539 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12540 If CTX is nested, lookup VAR in the outer context when
12541 building copy assignment.
12542 (lower_send_clauses): Rename from expand_send_clauses.
12543 If CTX is nested, lookup VAR in the outer context when
12544 building copy assignments.
12545 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12546 If CTX is nested, lookup VAR in the outer context when
12547 building copy assignments.
12548 (expand_parallel_call): Rename from build_parallel_call.
12549 Handle combined parallel+workshare cases.
12550 Re-implement to emit code into the CFG.
12552 (expand_omp_parallel): Re-implement to emit code into the CFG.
12553 Call move_sese_region_to_fn to outline the sub-graph
12554 containing the parallel region.
12555 (expand_omp_for_1): Remove.
12556 (expand_omp_for_generic): Re-implement to emit code into the
12558 (expand_omp_for_static_nochunk): Likewise.
12559 (expand_omp_for_static_chunk): Likewise.
12560 (expand_omp_for): Likewise.
12561 (expand_omp_sections): Likewise.
12562 (remove_exit_barriers): New.
12563 (expand_omp_synch): New.
12565 (build_omp_regions_1): New.
12566 (build_omp_regions): New.
12567 (execute_expand_omp): New.
12568 (gate_expand_omp): New.
12569 (pass_expand_omp): Define.
12570 (lower_omp_sections): Rename from expand_omp_sections.
12571 Set OMP_SECTIONS_SECTIONS.
12572 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12573 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12574 (lower_omp_single): Rename from expand_omp_simple.
12575 (lower_omp_master): Rename from expand_omp_master.
12576 (lower_omp_ordered): Rename from expand_omp_ordered.
12577 (lower_omp_critical): Rename from expand_omp_critical.
12578 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12579 (lower_omp_for): Re-implement.
12580 (lower_omp_parallel): Re-implement.
12581 (lower_regimplify): Rename from expand_regimplify.
12582 (lower_omp_1): Rename from expand_omp_1.
12583 If there are syntax errors in the program, replace every
12584 OpenMP directive with NOP.
12585 Call lower_omp_* instead of expand_omp_*.
12586 (lower_omp): Rename from expand_omp.
12588 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12589 * tree-gimple.h (enum omp_parallel_type): Remove.
12590 (gimple_boolify): Declare extern.
12591 (find_omp_clause, determine_parallel_type): Remove.
12593 * gimple-low.c (lower_omp_directive): New.
12594 (lower_stmt): Call it.
12595 (record_vars_into): Move from ...
12596 (record_vars): ... here.
12597 Call record_vars_into with current_function_decl.
12599 * gimplify.c (struct gimplify_ctx): Remove fields
12600 combined_pre_p and combined_ctxp. Update users.
12601 (get_formal_tmp_var): Add documentation.
12602 (gimple_boolify): Make extern.
12603 (gimplify_expr_in_ctx): Remove. Update callers.
12604 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12605 will always be a BIND_EXPR.
12606 (gimplify_expr): Handle OMP_RETURN_EXPR.
12607 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12608 (OMP_PARALLEL): Add 3 operands.
12609 (OMP_SECTIONS): Add 1 operand.
12610 (OMP_RETURN_EXPR): Define.
12612 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12613 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12614 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12615 creating a circular free list.
12616 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12618 * tree-flow.h (move_sese_region_to_fn): Declare.
12619 (record_vars_into): Declare.
12620 * tree-cfg.c (make_omp_sections_edges): New.
12621 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12622 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12623 OMP_SECTIONS and OMP_SECTION.
12624 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12625 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12626 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12627 (gather_blocks_in_sese_region): New.
12628 (struct move_stmt_d): Declare.
12629 (move_stmt_r): New.
12630 (move_block_to_fn): New.
12631 (move_sese_region_to_fn): New.
12633 * passes.c (init_optimization_passes): Schedule
12634 pass_expand_omp after pass_init_datastructures.
12636 * tree-ssa-operands.c (get_expr_operands): Handle
12637 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12638 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12640 2006-01-19 Jeff Law <law@redhat.com>
12642 * tree-vrp.c (extract_range_from_assert): Refine the result range
12643 if the variable referenced by the ASSERT_EXPR has a range and
12644 either the tentative result range or the previous range is a
12647 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12649 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12651 2006-01-19 Jan Hubicka <jh@suse.cz>
12653 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12655 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12657 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12658 (expand_compound_operation, expand_field_assignment): Fail if the
12659 bit lengths of an extract operation are out of range.
12660 (make_extraction): Compute wanted_inner_mode based on the position
12661 and length of the extraction. Make it extraction_mode for non-constant
12662 positions, and do not modify offset in that case. When generating a
12663 new MEM, use a mode that can hold the extraction while keeping correct
12664 alignment. Remove code that supported MEMs wrapped by USEs.
12665 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12667 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12669 * config/s390/s390.md ("Y", "y"): New mode attribute.
12670 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12671 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12672 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12673 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12674 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12675 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12676 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12677 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12678 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12679 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12680 "addsi3", "subsi3"): Insn patterns removed.
12681 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12682 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12683 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12684 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12685 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12686 "*sub<mode>3_cconly2"): New insn patterns.
12687 ("addsi3", "subsi3"): New expanders.
12689 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12691 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12692 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12693 existing STMT_VINFO_VECTYPE if available.
12694 (vect_mark_relevant): Add special handling for stmts that are
12695 marked as STMT_VINFO_IN_PATTERN_P.
12696 (vect_analyze_loop): Call vect_pattern_recog.
12697 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12698 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12700 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12701 (vect_recog_func_ptr): New function-pointer type.
12702 * tree-vect-patterns.c: New file.
12703 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12704 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12705 (vect_pattern_recog_1): New functions.
12706 (vect_pattern_recog_funcs): New array of function pointers.
12708 * tree-vectorizer.h (ternary_op): New enum value.
12709 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12710 declaration. Revised documentation. Removed redundant dump prints.
12711 Removed redundant argument. Added support for reduction patterns.
12712 (vectorizable_reduction): Added support for reduction patterns.
12713 (vect_transform_stmt): Added support for patterns.
12715 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12716 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12717 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12718 (expand_widen_pattern_expr): New function.
12719 (init_optabs): Initialize new optabs udot_prod_optab,
12721 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12722 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12723 (expand_widen_pattern_expr): New function declaration.
12724 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12726 * tree-inline.c (estimate_num_insns_1): Added cases for new
12727 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12728 * tree-pretty-print.c (dump_generic_node): Likewise.
12729 (op_prio): Likewise.
12730 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12731 * tree-ssa-operands.c (get_expr_operands): Added case for
12733 * tree-vect-patterns.c (widened_name_p): New function.
12734 (vect_recog_dot_prod_pattern): Added function implementation.
12735 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12736 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12737 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12738 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12740 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12741 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12742 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12743 (init_optabs): Initialize new optabs widen_ssum_optab,
12745 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12746 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12747 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12748 use instead of type of def.
12749 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12750 function implementation.
12751 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12752 widen_ssumv8hi): New.
12754 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12757 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12760 * c-decl.c (add_flexible_array_elts_to_size): New function.
12761 (finish_decl): Use it.
12763 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12765 * diagnostic.h: Include options.h.
12766 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12767 dependancies for diagnostic.h.
12768 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12770 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12772 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12773 (ssa_ro_call_cache_valid): Ditto.
12774 * tree-ssa-alias.c (sort_tags_by_id): New function.
12775 (init_transitive_clobber_worklist): Ditto.
12776 (add_to_worklist): Ditto.
12777 (mark_aliases_call_clobbered): Ditto.
12778 (compute_tag_properties): Ditto.
12779 (set_initial_properties): Ditto.
12780 (compute_call_clobbered): Ditto.
12781 (compute_may_aliases): Call compute_call_clobbered and grouping.
12782 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12783 (compute_flow_insensitive_aliasing): Grouping now happens in our
12785 (setup_pointers_and_addressables): Remove clobbering related code.
12786 (add_may_alias): Ditto.
12787 (replace_may_alias): Ditto.
12788 (get_nmt_for): Ditto.
12789 (create_global_var):
12790 (is_escape_site): Return an escape_type enumeration.
12791 * tree-flow-inline.h (is_call_clobbered): Global var does not
12792 imply call clobbered.
12793 (mark_call_clobbered): Take a reason for marking this. Remove
12794 marking of globalness, and cache invalidation.
12795 (clear_call_clobbered): Remove cache invalidation code.
12796 * tree-dfa.c (dump_variable): If details is on, dump the reason
12798 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12800 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12801 (struct var_ann_d): Ditto.
12802 (enum escape_type): New.
12803 (mark_call_clobbered): Adjust prototype.
12804 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12805 are never call clobbered.
12806 Record reasons for escaping.
12807 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12808 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12809 (ssa_ro_call_cache_valid): Ditto.
12810 (clobbered_v_may_defs): Ditto.
12811 (clobbered_vuses): Ditto.
12812 (ro_call_vuses): Ditto.
12813 (clobber_stats): New.
12814 (init_ssa_operands): Zero out clobber stats.
12815 (fini_ssa_operands): Print out clobber stats.
12816 (get_call_expr_operands): Pass callee fndecl to
12817 add_call_read_ops).
12818 (add_call_clobber_ops): Remove use of cache.
12819 Add use of PURE_CONST information.
12820 (add_call_read_ops): Remove use of cache.
12821 Add use of static not_read information.
12823 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12825 Introduce TLS descriptors for i386 and x86_64.
12826 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12827 (TARGET_ANY_GNU_TLS): New macro.
12828 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12829 (struct machine_function): Add tls_descriptor_call_expanded_p.
12830 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12831 (ix86_current_function_calls_tls_descriptor): Likewise.
12832 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12833 (override_options): Introduce gnu2 tls dialect.
12834 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12836 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12838 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12839 (ix86_init_machine_status): Initialize new field.
12840 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12841 (ix86_tls_module_base): New.
12842 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12843 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12844 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12845 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12846 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12847 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12848 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12849 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12850 * config/i386/predicates.md (tls_modbase_operand): New.
12851 (tp_or_register_operand): New.
12853 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12855 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12856 (look_for_address_of): Ditto.
12857 (ipa_init): Walk the function decls.
12858 (static_execute): Don't set readonly on FUNCTION_DECL's.
12860 2006-01-18 Roger Sayle <roger@eyesopen.com>
12862 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12863 for shifts where the source and destination registers are different.
12865 2006-01-18 Paul Brook <paul@codesourcery.com>
12867 Merge from csl-arm-branch.
12868 2005-03-14 Julian Brown <julian@codesourcery.com>
12869 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12870 (aeabi_llsl): Likewise.
12871 (ashrdi3): Likewise.
12872 (aeabi_lasr): Likewise.
12873 (lshrdi3): Likewise.
12874 (aeabi_llsr): Likewise.
12875 2005-03-10 Julian Brown <julian@codesourcery.com>
12876 * config.gcc: Disable shared libgcc for SymbianOS.
12877 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12879 2006-01-18 DJ Delorie <dj@redhat.com>
12881 * c-pragma.c (handle_pragma_diagnostic): New.
12882 (init_pragma): Register it.
12883 * doc/extend.texi: Document it.
12885 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12886 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12887 (diagnostic_context): Add classify_diagnostic[].
12888 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12889 as errors if they're overridden to DK_WARNING.
12890 (diagnostic_initialize): Initialize classify_diagnostic[].
12891 (diagnostic_set_kind_override): New.
12892 (diagnostic_report_diagnostic): Check for kind changes.
12893 * opts.c (common_handle_option): Take lang_mask. Update callers.
12894 Handle OPT_Werror_.
12895 * common.opt (Werror=): New.
12896 * doc/invoke.texi: Document -Werror=*
12898 2006-01-18 Jeff Law <law@redhat.com>
12900 * tree-vrp.c (test_for_singularity): Correct test for new
12901 min limit. Use operand_equal_p rather than pointer equality
12902 for testing if new min/max values are equal.
12904 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12905 using range information until after propagation and folding.
12907 2006-01-18 Richard Henderson <rth@redhat.com>
12908 Aldy Hernandez <aldyh@redhat.com>
12909 Jakub Jelinek <jakub@redhat.com>
12910 Diego Novillo <dnovillo@redhat.com>
12912 * omp-low.c: New file.
12913 * c-omp.c: New file.
12915 2006-01-18 Richard Henderson <rth@redhat.com>
12916 Jakub Jelinek <jakub@redhat.com>
12917 Diego Novillo <dnovillo@redhat.com>
12919 * doc/invoke.texi: Document -fopenmp.
12920 * tree-dump.h (debug_function): Declare.
12921 * hooks.c (hook_bool_tree_bool_false): New function.
12922 (hook_tree_tree_null): Remove.
12923 (hook_tree_tree_tree_null): New.
12924 * hooks.h: Update to match.
12925 * tree-pretty-print.c (debug_tree_chain): New.
12926 (print_generic_expr): Handle TDF_CHAIN.
12927 (dump_generic_node): Handle BLOCK.
12928 Do not abort with incomplete SWITCH_EXPRs.
12929 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12930 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12931 print space after directive name.
12932 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12933 Handle OMP_MASTER and OMP_ORDERED.
12934 Handle printing of OMP_BODY just in one place, goto
12935 dump_omp_body in the rest of OMP_* nodes that have
12937 Don't handle clause nodes here. Update omp statements to
12938 use dump_omp_clauses.
12939 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12940 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12941 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12942 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12943 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12944 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12945 Adjust output for GOMP_PARALLEL.
12946 (dump_omp_clauses): New.
12947 (print_declaration): Dump DECL_VALUE_EXPR.
12948 (op_symbol_1): Split out of op_symbol.
12949 (dumping_stmts): Remove. Update all users.
12950 * cgraph.c (cgraph_analyze_queue): New.
12951 (cgraph_add_new_function): New.
12952 * cgraph.h (cgraph_analyze_queue): Declare.
12953 (cgraph_add_new_function): Declare.
12954 (cgraph_lower_function): Remove.
12955 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12956 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12957 and TYPE_P nodes in its default clause.
12958 (empty_body_p): New.
12959 (tree_range_check_failed): New.
12960 (build5_stat): New.
12961 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12962 OMP_CLAUSE_REDUCTION_MERGE,
12963 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12964 OMP_CLAUSE_PRIVATE_DEBUG,
12965 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12966 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12967 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12968 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12969 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12970 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12971 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12972 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12973 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12974 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12975 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12976 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12977 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12978 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12979 (TREE_RANGE_CHECK): New.
12980 (empty_body_p): Declare.
12981 (enum omp_clause_default_kind): New.
12982 (build_string_literal): Declare.
12983 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12984 (build5_stat, build5): Declare.
12985 * tree-pass.h (TDF_CHAIN): Define.
12986 * tree-pass.h (PROP_gimple_lomp): Define.
12987 (pass_lower_omp): Declare.
12988 * diagnostic.h (debug_tree_chain): Declare.
12989 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12991 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12992 * builtins.c (build_string_literal): Make extern.
12993 * gcc.c (include_spec_function): New.
12994 (static_spec_functions): Add it.
12995 (main): Move load of libgomp.spec ...
12996 (LINK_COMMAND_SPEC): ... here.
12997 (link_gomp_spec): New.
12998 (static_specs): Include it.
12999 (LINK_COMMAND_SPEC): Add link_gomp.
13000 (GOMP_SELF_SPECS): New.
13001 (driver_self_specs): Include it.
13002 (switch_matches): Don't mark inline.
13003 (main): Load libgomp.spec.
13004 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13005 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13006 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13007 * tree-gimple.h (enum omp_parallel): Declare.
13008 (determine_parallel_type): Declare.
13009 (omp_firstprivatize_variable): Declare.
13010 (omp_reduction_init): Declare.
13011 (diagnose_omp_structured_block_errors): Declare.
13012 (struct walk_stmt_info): Add want_return_expr.
13013 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13014 (find_omp_clause): Declare.
13015 (insert_field_into_struct): Declare.
13016 (struct walk_stmt_info): Move from tree-nested.c
13017 (walk_stmts): Declare.
13018 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13020 * cgraphunit.c (cgraph_lower_function): Make static.
13021 (cgraph_finalize_pending_functions): New.
13022 (cgraph_finalize_function): Call it.
13023 (cgraph_finalize_compilation_unit): Likewise.
13024 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13025 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13026 (BT_FN_UINT_UINT): New.
13027 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13028 DEF_FUNCTION_TYPE_VAR_4): Document.
13029 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13030 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13031 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13032 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13033 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13034 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13035 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13036 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13037 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13038 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13039 into separate files.
13040 (DEF_GOMP_BUILTIN): New.
13041 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13042 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13043 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13044 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13045 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13046 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13047 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13048 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13049 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13050 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13051 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13052 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13053 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13054 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13055 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13056 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13057 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13058 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13059 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13060 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13061 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13062 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13063 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13064 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13065 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13066 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13067 * sync-builtins.def: New file, moved from builtins.def.
13068 * omp-builtins.def: New file, moved from builtins.def.
13069 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13070 * gimple-low.c (lower_function_body): Clear data.
13071 (lower_stmt): Do not handle COMPOUND_EXPR.
13072 Remove call to print_node_brief.
13073 * c-tree.h (c_finish_omp_clauses): New prototype.
13074 (C_DECL_THREADPRIVATE_P): Define.
13075 (lookup_name_no_remap, c_omp_remap_private): Remove
13076 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13077 (check_for_loop_decls): Update decl.
13078 (lookup_name_no_remap, c_omp_remap_private): Declare.
13079 (build_indirect_ref, build_modify_expr, pushdecl,
13080 pushdecl_top_level): Move to c-common.h.
13081 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13082 before the switch, but just in the 2 places that need it.
13083 * c-decl.c (diagnose_mismatched_decls): Do not check for
13084 mismatched thread-local attributes when OLDDECL is marked
13085 threadprivate and NEWDECL has no thread-local attributes.
13086 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13087 (c_gimple_diagnostics_recursively): Rename from
13088 c_warn_unused_result_recursively. Invoke
13089 diagnose_omp_structured_block_errors.
13090 (check_for_loop_decls): Return a singular decl found.
13091 * langhooks.c (lhd_omp_predetermined_sharing): Return
13092 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13093 (lhd_omp_firstprivatize_type_sizes): New.
13094 (lhd_omp_assignment): New.
13095 (lhd_omp_predetermined_sharing): New.
13096 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13097 (struct lang_hooks_for_types): Add
13098 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13099 omp_predetermined_sharing, omp_disregard_value_expr,
13100 omp_private_debug_clause, omp_clause_default_ctor,
13101 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13102 (c_finish_omp_clauses): New.
13103 (c_finish_bc_stmt): Diagnose break within omp for.
13104 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13105 (build_unary_op): Return error_mark after reporting
13107 (build_modify_expr): Likewise.
13108 * gimplify.c: Include optabs.h and pointer-set.h.
13109 (enum gimplify_omp_var_data): Declare.
13110 (struct gimplify_omp_ctx): Declare.
13111 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13113 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13114 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13115 (splay_tree_compare_decl_uid): New.
13116 (new_omp_context): New.
13117 (delete_omp_context): New.
13118 (gimple_add_tmp_var): Call omp_add_variable.
13119 (gimplify_bind_expr): Likewise.
13120 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13121 true, disregard DECL_VALUE_EXPR on the decl if any.
13122 (gimplify_expr_in_ctx): New.
13123 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13124 omp_add_variable, omp_notice_variable, omp_is_private
13125 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13126 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13127 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13128 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13129 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13130 gimplify_omp_atomic): New.
13131 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13132 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13133 OMP_CRITICAL and OMP_ATOMIC.
13134 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13135 * c-pragma.h (enum pragma_kind): Add
13136 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13137 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13138 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13139 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13140 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13141 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13142 PRAGMA_OMP_THREADPRIVATE.
13143 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13144 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13145 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13146 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13147 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13148 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13149 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13150 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13151 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13152 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13153 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13154 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13155 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13157 (struct nesting_info): Add field_map,
13158 suppress_expansion, debug_var_chain.
13159 (create_nesting_tree): Initialize them.
13160 (lookup_field_for_decl): Use field_map.
13161 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13162 (convert_local_omp_clauses): New.
13163 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13164 (walk_body): Split out of walk_function.
13165 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13166 (convert_nonlocal_reference): Handle omp statements.
13167 (convert_local_reference): Likewise.
13168 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13169 (unnest_nesting_tree): New.
13170 (lower_nested_functions): Call it.
13171 (insert_field_into_struct): Make extern.
13172 (struct walk_stmt_info): Move to tree-gimple.h.
13173 (walk_stmts): Make extern.
13174 * omp-builtins.def: New file.
13175 * tree-iterator.c (expr_only): Clarify comment.
13176 * c-common.h (pushdecl_top_level, pushdecl,
13177 build_modify_expr, build_indirect_ref,
13178 c_finish_omp_master, c_finish_omp_critical,
13179 c_finish_omp_ordered, c_finish_omp_barrier,
13180 c_finish_omp_atomic, c_finish_omp_flush,
13181 c_finish_omp_for, c_split_parallel_clauses,
13182 omp_clause_default_kind, c_omp_sharing_predetermined,
13183 c_omp_remap_decl): Declare.
13184 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13185 (OBJS-common): Add omp-low.o.
13186 (c-omp.o, omp-low.o): Add.
13187 (gimplify.o): Add dependency on $(OPTABS_H).
13188 (GTFILES): Add omp-low.c.
13189 (gt-stringpool.h): Add.
13190 * tree-cfg.c (set_bb_for_stmt): Do not update the
13191 block-to-labels map if we are currently expanding to RTL.
13192 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13194 Handle IDENTIFIER_NODE.
13195 (tree_verify_flow_info): Do not ICE when emitting error
13196 messages about invalid labels.
13197 (dump_function_to_file): Reset CFUN before emitting the body
13199 (debug_function): New.
13200 * passes.c (init_optimization_passes): Schedule
13202 * langhooks-def.h (lhd_omp_predetermined_sharing,
13203 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13205 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13206 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13207 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13208 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13209 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13210 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13211 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13212 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13213 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13214 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13215 (LANG_HOOK_DECLS): Use them.
13217 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13218 Richard Henderson <rth@redhat.com>
13219 Jakub Jelinek <jakub@redhat.com>
13220 Diego Novillo <dnovillo@redhat.com>
13222 * c-parser.c (pragma_omp_clause): Define.
13223 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13224 (c_parser_compound_statement): Likewise.
13225 (c_parser_statement): Likewise.
13226 (c_parser_pragma): Handle omp pragmas.
13227 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13228 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13229 (c_parser_omp_clause_name, check_no_duplicate_clause,
13230 c_parser_omp_variable_list,
13231 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13232 c_parser_omp_clause_copyprivate,
13233 c_parser_omp_clause_default,
13234 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13235 c_parser_omp_clause_lastprivate,
13236 c_parser_omp_clause_nowait,
13237 c_parser_omp_clause_num_threads,
13238 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13239 c_parser_omp_clause_reduction,
13240 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13241 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13242 c_parser_omp_atomic, c_parser_omp_barrier,
13243 c_parser_omp_critical, c_parser_omp_flush,
13244 c_parser_omp_for_loop, c_parser_omp_for,
13245 c_parser_omp_master, c_parser_omp_ordered,
13246 c_parser_omp_sections_scope, c_parser_omp_sections,
13247 c_parser_omp_parallel, c_parser_omp_single,
13248 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13249 * c-pragma.c (init_pragma): Do omp pragma registration here.
13250 * c.opt (fopenmp): New flag.
13252 2006-01-18 Eric Christopher <echristo@apple.com>
13254 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13255 * config/darwin.h (GOMP_SELF_SPECS): Define.
13257 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13259 * rtl.h: Remove the prototype for reg_alloc.
13261 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13264 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13265 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13266 sjlj and dwarf2 exception handling.
13267 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13268 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13269 * pa/pa.c (function_value): Treat complex and vector types as
13271 (function_arg): Likewise. Only pass scalar floats in the floating
13272 point argument registers.
13273 * pa/t-slibgcc-dwarf-ver: New file.
13274 * pa/t-slibgcc-sjlj-ver: New file.
13275 * pa/t-slibgcc-elf-ver: Delete file.
13277 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13279 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13280 unlikely_test_section_p test.
13282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13284 * mode-switching.c (optimize_mode_switching): Make it static.
13285 * basic-block.h: Remove the prototype for
13286 optimize_mode_switching.
13288 * modulo-sched.c (sms_schedule): Make it static.
13289 * rtl.h: Remove the prototype for sms_schedule.
13291 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13292 * rtl.h: Remove the prototype for gcse_after_reload_main.
13294 * reg-stack.c (reg_to_stack): Make it static.
13295 * rtl.h: Remove the prototype for reg_to_stack.
13297 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13299 * rtl.h: Remove the prototypes for regrename_optimize and
13300 copyprop_hardreg_forward.
13302 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13304 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13305 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13306 Test against the appropriate null constant for the mode.
13307 If 'fixup_overlap' is true, swap the operands if they overlap.
13308 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13309 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13310 alpha_split_tmode_pair and adjust for above change.
13311 * config/alpha/alpha.md (movtf_internal): Adjust call to
13312 alpha_split_tfmode_pair and rely on it to swap the operands.
13313 (movti_internal): New insn and post-reload splitter.
13314 (movti): New expander.
13316 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13318 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13321 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13323 * rtlanal.c (global_reg_mentioned_p_1,
13324 global_reg_mentioned_p): Remove.
13325 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13327 * flow.c (initialize_uninitialized_subregs): Make it static.
13328 * rtl.h: Remove the prototype for
13329 initialize_uninitialized_subregs.
13331 * function.c (instantiate_virtual_regs): Make it static.
13332 * function.h: Remove the prototype for
13333 instantiate_virtual_regs.
13335 * regmove.c (regmove_optimize, combine_stack_adjustments):
13337 * rtl.h: Remove the prototypes for regmove_optimize and
13338 combine_stack_adjustments.
13340 2006-01-17 Roger Sayle <roger@eyesopen.com>
13342 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13343 (size_cost): Encode costs in bytes so that a reg-reg addition is
13344 equivalent to COSTS_N_INSNS(1).
13345 (override_options): Use the size_cost.branch_cost as the default
13346 ix86_branch_cost when optimizing for size.
13348 2006-01-18 Ben Elliston <bje@au.ibm.com>
13350 * Makefile.in (D32PBIT_FUNCS): New.
13351 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13352 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13353 D64PBIT_FUNCS and D128PBIT_FUNCS.
13354 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13355 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13357 (decnumber_dep): Define.
13358 * doc/libgcc.texi (Decimal float library routines): New node.
13359 * config/dfp-bit.h, config/dfp-bit.c: New files.
13361 2006-01-18 Ben Elliston <bje@au.ibm.com>
13363 * expr.c (emit_move_change_mode): Always adjust addresses, not
13364 just during reload. Copy replacements only during reload.
13365 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13366 emit_move_via_integer.
13368 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13370 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13371 instead of $(srcdir) and ${srcdir}.
13373 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13376 PR middle-end/11135
13377 * arm.h (struct machine_function): Add pic_reg.
13378 * arm.c (arm_pic_register): Make unsigned.
13379 (arm_override_options): Only set arm_pic_register if
13380 TARGET_SINGLE_PIC_BASE.
13381 (use_return_insn): Only test for a pic register if it is fixed.
13382 (arm_compute_save_reg0_reg12_mask): Likewise.
13383 (thumb_compute_save_reg_mask): Likewise.
13384 (legitimate_pic_operand): Factor out some known invariants.
13385 (legitimize_pic_address): If we don't have a fixed pic register,
13386 then set up a pseudo in the function entry sequence. Handle the
13387 pic base being in a pseudo.
13388 (arm_load_pic_register): Handle the pic register being in a pseudo.
13389 (arm_expand_prologue): Only set up the pic register if it is fixed.
13390 (thumb_expand_prologue): Likewise.
13391 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13392 (pic_load_addr_based_insn): Likewise.
13393 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13396 2006-01-18 Ben Elliston <bje@au.ibm.com>
13398 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13399 decimal float modes for all floating point registers.
13401 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13402 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13404 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13407 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13408 even when the pointer is not NULL.
13410 2006-01-16 Ian Lance Taylor <ian@airs.com>
13412 * common.opt (ftoplevel-reorder): New option.
13413 * cgraph.c (cgraph_asm_nodes): New global variable.
13414 (cgraph_asm_last_node): New static variable.
13415 (cgraph_order): New global variable.
13416 (cgraph_create_node): Set new order field.
13417 (cgraph_varpool_node): Likewise.
13418 (decide_is_variable_needed): Return true if not
13419 flag_toplevel_reorder.
13420 (cgraph_add_asm_node): New function.
13421 * cgraph.h (struct cgraph_node): Add order field.
13422 (struct cgraph_varpool_node): Add order field.
13423 (struct cgraph_asm_node): Define.
13424 (cgraph_asm_nodes, cgraph_order): Declare.
13425 (cgraph_add_asm_node): Declare.
13426 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13428 (cgraph_varpool_assemble_pending_decls): Call it.
13429 (cgraph_output_pending_asms): New static function.
13430 (cgraph_finalize_compilation_unit): Call it.
13431 (struct cgraph_order_sort): Define.
13432 (cgraph_output_in_order): New static function.
13433 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13434 !flag_toplevel_reorder case.
13435 * c-parser.c: Include "cgraph.h".
13436 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13438 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13439 than -fno-unit-at-a-time.
13440 * doc/invoke.texi (Option Summary): Mention
13441 -fno-toplevel-reorder.
13442 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13443 -funit-at-a-time documentation.
13445 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13446 Kazu Hirata <kazu@codesourcery.com>
13448 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13450 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13452 * Makefile.in (FUNCTION_H): New. Use it instead of
13453 function.h throughout the file.
13454 * function.h: Include tree.h.
13456 2006-01-17 Ben Elliston <bje@au.ibm.com>
13458 * recog.c: Separate some functions with whitespace.
13460 2006-01-16 Richard Henderson <rth@redhat.com>
13462 Merge from gomp branch:
13463 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13464 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13465 and rename from struct inline_data. Rename callee* to dst*;
13466 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13467 transform_new_cfg, transform_return_to_modify, and
13468 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13470 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13471 (copy_decl_for_dup): Remove.
13472 * tree-inline.c (struct inline_data): Move to header.
13473 (insert_decl_map): Export.
13474 (remap_decl): Update for member name changes. Use copy_decl hook.
13475 Allow for replacement to be a non-decl. Remove dead code.
13476 (remap_type_1): Check for existing mapping.
13477 (remap_type): Export.
13478 (remap_decls): Update for member name changes.
13479 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13480 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13481 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13482 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13483 (tree_function_versioning, build_duplicate_type): Likewise.
13484 (copy_body_r): Likewise. Export.
13485 (copy_decl_for_dup): Split into ...
13486 (copy_decl_for_dup_finish, copy_decl_to_var,
13487 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13488 (replace_ref_tree, inlining_p): Remove.
13490 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13492 * ifcvt.c (if_convert): Make it static.
13493 * rtl.h: Remove the prototype for if_convert.
13495 * local-alloc.c (local_alloc): Make it static.
13496 * rtl.h: Remove the prototype for local_alloc.
13498 * loop.c (loop_optimize): Make it static.
13499 * cfgloop.h: Remove the prototype for loop_optimize.
13502 2006-01-16 DJ Delorie <dj@redhat.com>
13504 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13507 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13509 * pa.md: Disparage copies between general and floating-point registers
13510 in 32-bit move patterns.
13512 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13515 * Makefile.in (check-%): Depend on site.exp instead of
13516 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13519 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13521 * global.c (global_alloc): Make it static.
13522 * rtl.h: Remove the prototype for global_alloc.
13524 2006-01-16 Richard Guenther <rguenther@suse.de>
13526 * tree-ssa-alias.c (struct used_part): Add write_only field.
13527 (get_or_create_used_part_for): Initialize it to true.
13528 (create_overlap_variables_for): Don't create structure variables
13529 for structures that only are written to.
13530 (find_used_portions): Handle MODIFY_EXPR to track whether a
13531 structure is only written to.
13533 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13535 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13537 * basic-block.h: Remove the prototype for
13538 partition_hot_cold_basic_blocks.
13540 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13542 * cppspec.c (lang_specific_spec_functions): Remove.
13543 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13544 * gcc.h (lang_specific_spec_functions): Remove.
13545 * gccspec.c (lang_specific_spec_functions): Remove.
13547 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13549 * combine.c (record_value_for_reg): Invalidate registers
13551 (record_dead_and_set_regs_1): Likewise, by passing them to
13552 record_value_for_reg.
13553 (record_dead_and_set_regs): Invalidate stores made by a
13554 call. We do not combine across a call, but we still
13555 relied on equivalences.
13557 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13559 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13560 vrp_int_const_binop returning non-constant nodes.
13562 2006-01-16 Paul Brook <paul@codesourcery.com>
13564 * config/m68k/m68k.c (output_move_const_into_data_reg):
13565 Output correct mnemonic for mvz and mvs.
13567 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13569 * rtl-factoring.c: Add sequence abstraction algorithm.
13570 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13571 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13573 (block_has_preserve_label): New function.
13574 * common.opt: Register new pass.
13575 * Makefile.in: Ditto.
13577 * timevar.def: Ditto.
13578 * tree-pass.h: Ditto.
13579 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13580 * rtl.h (make_jump_insn_raw): Add forward decl.
13581 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13583 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13584 Roger Sayle <roger@eyesopen.com>
13586 * fold-const.c (fold_minmax): New static function.
13587 (fold_binary) <MIN_EXPR>: Call it.
13588 <MAX_EXPR>: Likewise.
13589 * stor-layout.c (place_field): Use DECL_SIZE consistently
13590 in the computation of the new record size.
13592 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13594 * cse.c (cse_condition_code_reg): Make it static.
13595 * rtl.h: Remove the prototype for cse_condition_code_reg.
13597 * combine.c (combine_instructions): Make it static.
13598 * rtl.h: Remove the prototype for combine_instructions.
13600 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13603 * tree.c (get_file_function_name_long): Concatenate the first global
13604 object name with a string derived from the input filename of the object
13607 2006-01-16 Ben Elliston <bje@au.ibm.com>
13609 * config/i386/winnt-stubs.c: Update FSF address.
13610 * config/xtensa/ieee754-df.S: Ditto.
13611 * config/xtensa/ieee754-sf.S: Ditto.
13613 2006-01-14 Ian Lance Taylor <ian@airs.com>
13615 * ifcvt.c (noce_init_if_info): New static function, broken out of
13616 noce_process_if_block.
13617 (noce_process_if_block): Call noce_init_if_info.
13618 (check_cond_move_block): New static function.
13619 (cond_move_process_if_block): New static function.
13620 (process_if_block): Call cond_move_process_if_block.
13622 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13624 * cselib.c (hash_table): Rename to cselib_hash_table.
13625 (cselib_clear_table, discard_useless_values,
13626 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13627 cselib_init, cselib_finish): Adjust uses of hash_table.
13629 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13631 PR tree-optimization/25485
13632 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13633 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13634 is known to be false and true, respectively.
13636 2006-01-14 Richard Guenther <rguenther@suse.de>
13638 PR tree-optimization/22548
13639 PR tree-optimization/22555
13640 PR tree-optimization/22501
13641 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13642 * params.def (salias-max-array-elements): New parameter.
13643 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13644 * doc/invoke.texi (salias-max-array-elements): Document.
13645 * tree-flow-inline.h (var_can_have_subvars): We also handle
13647 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13649 * tree-ssa-structalias.c (params.h): Include.
13650 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13651 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13652 (get_constraint_for): For ADDR_EXPR operating on something
13653 containing an ARRAY_REF, add all subvars to the solution.
13654 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13655 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13656 for creating MUST_DEFs.
13657 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13659 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13661 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13663 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13664 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13665 number_of_iterations_le): New functions.
13666 (number_of_iterations_special): Removed.
13667 (number_of_iterations_exit): Do not use number_of_iterations_special.
13668 * tree.c (unsigned_type_for): Always return integer type.
13670 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13671 Richard Guenther <rguenther@suse.de>
13673 PR rtl-optimization/24257
13674 * gcse.c (find_moveable_store): Only consider a store movable
13675 when the SET_SRC of the insn can be assigned to a register.
13677 2006-01-14 Ian Lance Taylor <ian@airs.com>
13679 * tree.c (tree_not_class_check_failed): New function.
13680 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13681 (tree_not_class_check_failed): Declare.
13683 2006-01-13 Ian Lance Taylor <ian@airs.com>
13685 * reload1.c (do_output_reload): Add assertion rejecting a
13688 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13690 * combine.c (struct reg_stat): Add new fields truncation_label and
13692 (record_value_for_reg): Reset truncated_to_mode.
13693 (record_truncated_value): New function.
13694 (check_promoted_subreg): Call it. Rename to check_conversions.
13695 (combine_instructions): Rename check_promoted_subreg to
13697 (reg_truncated_to_mode): New function.
13698 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13699 (gen_lowpart_or_truncate): New function.
13700 (force_to_mode): Use it instead of gen_lowpart.
13702 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13704 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13705 VAR is a tag, not its type tag.
13707 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13709 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13710 alternatives to match style of other entries.
13711 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13713 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13715 PR tree-optimization/25771
13716 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13719 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13722 * tree-inline.c (declare_return_variable): If the return variable
13723 was marked as a non gimple complex, set the return slot variable
13724 to be a non gimple comple variable.
13726 2006-01-13 Richard Guenther <rguenther@suse.de>
13728 * builtins.c (expand_builtin_sincos): New function.
13729 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13731 (expand_builtin): Expand sincos using expand_builtin_sincos.
13733 2006-01-12 DJ Delorie <dj@redhat.com>
13735 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13736 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13737 so that constant shifts can be split.
13738 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13739 (m32c_valid_pointer_mode): Make static.
13740 (shift_gen_func_for): New.
13741 (m32c_prepare_shift): Use it. Split large const shifts into
13743 * config/m32c/predicates.md (shiftcount_operand): Allow more
13745 (longshiftcount_operand): New.
13746 * doc/md.texi (Machine Constraints): Document In6.
13748 2006-01-13 Ben Elliston <bje@au.ibm.com>
13750 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13751 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13754 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13756 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13757 to try to avoid clobbering pieces of structures when we know
13758 something about the whole structure.
13759 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13761 2006-01-13 Ben Elliston <bje@au.ibm.com>
13763 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13764 return in memory, as this is no limitation is no longer present.
13766 2006-01-12 DJ Delorie <dj@redhat.com>
13768 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13769 mova with fb, and for fb+0 -> An.
13771 * config/m32c/mov.md (peephole2): Fix enabling logic.
13773 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13774 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13775 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13776 FINI_ARRAY_SECTION_ASM_OP): Define.
13778 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13780 (m32c_legitimize_reload_address): New logic to reload FB to An.
13781 (m32c_output_reg_push): Add newline.
13782 (m32c_output_reg_pop): Likewise.
13784 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13786 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13788 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13790 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13792 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13794 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13797 2006-01-11 Ben Elliston <bje@au.ibm.com>
13799 * rtlanal.c (find_reg_note): Assert insn is not null.
13801 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13803 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13806 2006-01-11 Jeff Law <law@redhat.com>
13808 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13810 (mark_threaded_blocks, register_jump_thread): New functions.
13811 (thread_through_all_blocks): Remove unwanted argument. No
13812 longer rely on e->aux to communicate thread target info.
13813 Call mark_threaded_blocks. Release the threaded_blocks
13814 bitmap and threaded_edges vector when complete.
13815 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13816 (threaded_blocks): Remove.
13817 (tree_ssa_dominator_optimize): Remove initialization and
13818 finalization of threaded_blocks. Simplify call to
13819 thread_through_all_blocks.
13820 (thread_across_edge): Call register_jump_thread rather than
13821 storing thread information into e->aux.
13822 (free_all_edge_infos): Simplify now that e->aux is no longer
13823 used to communicate with thread_through_all_blocks.
13824 * tree-flow.h (thread_through_all_blocks): Update prototype.
13825 (register_jump_thread): Prototype.
13827 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13829 * df-core.c (df_compact_blocks, df_bb_replace): Use
13830 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13832 2006-01-11 Richard Guenther <rguenther@suse.de>
13834 PR tree-optimization/25734
13835 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13836 stop propagation after successful propagation to the LHS.
13838 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13840 * basic-block.h (control_flow_graph): Change the type of
13841 x_basic_block_info to VEC(basic_block,gc) *.
13842 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13844 (SET_BASIC_BLOCK): New.
13845 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13846 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13847 * cfgbuild.c (find_basic_blocks): Likewise.
13848 * cfglayout.c (fixup_reorder_chain): Likewise.
13849 * cfgrtl.c (create_basic_block_structure,
13850 rtl_create_basic_block): Likewise.
13851 * ifcvt.c (find_if_case_1): Likewise.
13852 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13855 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13857 * Makefile.in: Removed rotted odf.c entry.
13859 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13862 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13863 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13864 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13865 output pattern modifier, not %e.
13866 * config/cris/cris.c (cris_op_str): Update comment about pattern
13868 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13869 before falling through into...
13870 <case 'E'>: Redefined from old 'e' case.
13872 2006-01-11 Jan Hubicka <jh@suse.cz>
13875 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13877 2006-01-11 Jan Hubicka <jh@suse.cz>
13879 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13880 * i386.c (x86_decompose_lea): Kill.
13881 (ix86_rtx_costs): Kill.
13883 2006-01-11 Jan Hubicka <jh@suse.cz>
13885 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13886 * cgraph.h (cgraph_node): Add inline_decl.
13887 (cgraph_insert_node_to_hashtable): Declare.
13888 (save_inline_function_body): Declare.
13889 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13891 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13892 (cgraph_function_versioning): Update call of tree_function_versioning.
13893 (save_inline_function_body): New function.
13894 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13895 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13896 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13897 (cgraph_default_inline_p): Likewise.
13898 (cgraph_decide_inlining_incrementally): Likewise.
13899 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13900 (copy_bb): Kill saving; do updating of clones.
13901 (copy_cfg_body): Kill saving.
13902 (initialize_inlined-parameters): Likewise.
13903 (expand_call_inline): Likewise.
13905 (tree_function_versioning): New parameter "update_clones".
13906 (inlining_p): Kill saving.
13907 * tree-inline.h (tree_function_versioning): Update prototype.
13908 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13911 2006-01-11 Ian Lance Taylor <ian@airs.com>
13913 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13914 Allow undoing set of machine mode.
13915 (do_SUBST): Use enums instead of is_int.
13916 (do_SUBST_MODE): New function.
13917 (SUBST_MODE): New macro.
13918 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13919 reg and trying to replace reg_regno_rtx with a new register.
13920 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13921 (simplify_set): Use SUBST_MODE.
13922 (distribute_notes): Remove code that tried to update reg notes
13923 for regno_reg_rtx changes.
13925 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13927 PR tree-optimization/23109
13928 PR tree-optimization/23948
13929 PR tree-optimization/24123
13931 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13932 * tree-cfg.c (single_noncomplex_succ): New.
13933 * tree-flow.h (single_noncomplex_succ): Declare it.
13934 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13935 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13936 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13937 insert_bb, register_division_in, insert_reciprocals,
13938 replace_reciprocal, free_bb): New.
13939 (execute_cse_reciprocals_1): Rewritten.
13940 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13941 Do not commit any edge insertion. Always compute dominators and
13942 create the allocation pool.
13943 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13944 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13945 * targhooks.c (default_min_divistions_for_recip_mul): New.
13946 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13947 * passes.c (init_optimization_passes): Run recip after tree loop
13949 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13951 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13952 Kenneth Zadeck <zadeck@naturalbridge.com>
13954 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13955 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13956 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13957 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13958 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13959 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13960 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13961 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13962 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13963 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13964 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13965 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13966 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13967 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13968 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13969 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13970 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13971 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13972 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13973 DF_SCAN_POST_ALLOC): New macros.
13974 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13975 df_free_bb_function, df_local_compute_function, df_init_function,
13976 df_dataflow_function, df_confluence_function_0,
13977 df_confluence_function_n, df_transfer_function,
13978 df_finalizer_function, df_free_function, df_dump_problem_function,
13979 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13980 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13981 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13982 df_urec_bb_info, ) New types.
13983 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13985 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13986 df_analyze_simple_change_some_blocks,
13987 df_analyze_simple_change_one_block, df_compact_blocks,
13988 df_bb_replace, df_bb_regno_last_use_find,
13989 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13990 df_insn_regno_def_p, df_find_def, df_find_use,
13991 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13992 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13993 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13994 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13995 debug_df_chain, df_get_dependent_problem, df_chain_create,
13996 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13997 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13998 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13999 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14000 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14001 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14002 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14003 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14004 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14005 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14006 df_reorganize_refs, df_set_state, df_hard_reg_init,
14007 df_read_modify_subreg_p) New public functions.
14008 * df-core.c: The core dataflow solver and glue routines for rtl
14010 (df_init, df_add_problem, df_set_blocks, df_finish,
14011 df_hybrid_search_forward, df_hybrid_search_backward,
14012 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14013 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14014 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14015 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14016 df_reg_defined, df_find_use, df_reg_used, df_dump,
14017 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14018 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14019 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14020 debug_df_useno, reset_df_after_reload): New functions.
14021 * df-scan.c: The scanning fuctions, once in df.c, completely
14022 rewritten so that they now fully model the functionality of
14023 register usage at the backend.
14024 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14025 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14026 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14027 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14028 df_get_artificial_defs, df_get_artificial_uses,
14029 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14030 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14031 df_refs_delete, df_reorganize_refs, df_set_state,
14032 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14033 df_def_record_1, df_defs_record, df_uses_record,
14034 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14035 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14036 df_record_exit_block_uses, df_hard_reg_init): New functions.
14038 * df-problems.c: Seven concrete dataflow problems that use the
14039 scanning in df-scan.c and are solved by the engine in df-core.c.
14040 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14041 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14042 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14043 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14044 df_ru_free_bb_info, df_ru_alloc,
14045 df_ru_bb_local_compute_process_def,
14046 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14047 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14048 df_ru_transfer_function, df_ru_free, df_ru_dump,
14049 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14050 df_rd_free_bb_info, df_rd_alloc,
14051 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14052 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14053 df_rd_transfer_function, df_rd_free, df_rd_dump,
14054 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14055 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14056 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14057 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14058 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14059 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14060 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14061 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14062 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14063 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14064 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14065 df_urec_mark_reg_use_for_earlyclobber,
14066 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14067 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14068 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14069 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14070 df_chain_create_bb_process_use, df_chain_create_bb,
14071 df_chain_finalize, df_chain_free, df_chains_dump,
14072 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14073 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14074 df_reg_lifetime): New functions.
14075 * df.c: Deleted file.
14076 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14077 consistent with new df api.
14078 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14079 rest_of_handle_sms): Ditto.
14080 * web.c (unionfind_union, union_defs, entry_register, web_main):
14082 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14083 invariant_expr_equal_p, find_defs, check_dependencies,
14084 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14085 free_inv_motion_data, move_loop_invariants): Ditto.
14086 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14087 Update dependencies.
14088 (odf.c): Added defective entry that was deleted later in day.
14089 * sched-deps.c (sched_analyze_1): Ditto.
14091 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14093 * tree-ssa-operands.c (get_expr_operands): Record addressable
14094 variables directly. Do not call add_stmt_operands for CONST_DECLs
14096 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14097 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14099 2006-01-11 Ben Elliston <bje@au.ibm.com>
14101 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14102 function returns true in the positive case.
14104 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14107 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14108 for SI, DI, SF and DF modes. Add alternatives to copy between
14109 general and floating point registers to the 32-bit patterns.
14110 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14111 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14112 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14113 generating 64-bit code.
14114 * config/pa/pa.c (output_move_double): Handle copies between general
14115 and floating registers.
14117 2006-01-10 Stuart Hastings <stuart@apple.com>
14119 * config/i386/i386.md (set_got): Update.
14120 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14121 (builtin_setjmp_receiver): Mach-O support.
14122 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14123 (GOT_SYMBOL_NAME): Define.
14124 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14125 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14126 * config/i386/i386.c (override_options): Revise for Darwin.
14127 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14128 support. (darwin_x86_file_end): New. (output_set_got): Add label
14129 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14130 * config/i386/i386-protos.h (output_set_got): Likewise.
14131 * config/darwin.c (machopic_legitimize_pic_address): Update
14134 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14136 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14137 when MODE isn't BLKmode.
14139 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14141 PR rtl-optimization/25367
14142 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14144 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14147 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14148 for a negative bound.
14150 2006-01-10 Richard Guenther <rguenther@suse.de>
14152 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14153 Never override with anything constraint.
14155 2006-01-10 Jan Beulich <jbeulich@novell.com>
14157 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14158 256 bits when optimize_size.
14160 2006-01-10 Jan Beulich <jbeulich@novell.com>
14162 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14164 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14165 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14168 2006-01-10 Ben Elliston <bje@au.ibm.com>
14170 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14172 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14173 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14174 (USE_FP_FOR_ARG): Reject decimal float modes.
14175 (function_arg_advance): Likewise.
14176 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14177 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14178 point types in AltiVec vectors.
14179 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14180 (rs6000_libcall_value): Likewise.
14182 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14184 * config/xtensa/ieee754-df.S: New file.
14185 * config/xtensa/ieee754-sf.S: New file.
14186 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14187 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14188 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14190 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14192 * config/sh/predicates.md (binary_float_operator,
14193 binary_logical_operator, commutative_float_operator,
14194 equality_comparison_operator, greater_comparison_operator,
14195 less_comparison_operator, logical_operator,
14196 noncommutative_float_operator, shift_operator,
14197 symbol_ref_operand, unary_float_operator): Remove redundant
14200 2006-01-09 Jeff Law <law@redhat.com>
14202 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14203 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14204 now unused arguments. Callers updated.
14205 (eliminate_redundant_computations): Remove now unused arguments,
14207 (local_fold): Remove, no longer used.
14208 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14210 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14211 (simplify_cond): New function.
14212 (forward_propagate_into_cond): Call simplify_cond.
14214 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14216 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14217 (*vec_extractv2di_1_sse): New.
14219 2006-01-09 Ben Elliston <bje@au.ibm.com>
14221 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14223 2006-01-08 Richard Guenther <rguenther@suse.de>
14225 * tree-ssa-structalias.c (get_constraint_for): Remove
14226 anyoffset argument.
14227 (get_constraint_for_component_ref): Likewise.
14228 (do_deref): Likewise.
14229 (get_constraint_for): Likewise.
14230 (do_structure_copy): Likewise.
14231 (handle_ptr_arith): Likewise.
14232 (find_func_aliases): Likewise. Remove unused need_anyoffset
14235 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14236 Kaz Kojima <kkojima@gcc.gnu.org>
14238 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14239 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14240 (EXTRA_CONSTRAINT_C16): Remove.
14241 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14242 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14243 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14244 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14245 constants of SHmedia. Handle nested constant expressions of
14247 (andcosts): Fix the costs for SHmedia constants.
14248 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14249 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14250 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14251 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14252 (movv4hi_i, movv2si_i): Likewise.
14253 (movsi_const): Adjust the second operand of ior so to match with
14254 the Csu constraint.
14255 (movdi_const, movdi_const_32bit): Likewise.
14256 (movdi_const_16bit+1): Don't sign-extend LOW.
14257 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14259 (*double_shori): Fix the split condition. Use GEN_INT instead
14260 of get_int_mode calls. Mask lower 16-bit of the argument of
14262 (sym2GOTPLT): Remove.
14263 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14265 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14266 instead of EXTRA_CONSTRAINT_C16.
14268 2006-01-07 Ian Lance Taylor <ian@airs.com>
14269 David Edelsohn <edelsohn@gnu.org>
14271 PR rtl-optimization/25662
14272 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14273 for constant operands instead of simplify_gen_binary.
14274 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14275 after trying simplify_binary_operation
14277 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14279 * tree.c (iterative_hash_expr): Hash decls based on UID.
14281 2006-01-06 Eric Christopher <echristo@apple.com>
14283 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14284 (TARGET_UNWIND_EMIT): Fix spelling.
14285 * target.h (gcc_target): Add except_table_label.
14286 * except.c (output_function_exception_table): Use.
14287 * varasm.c (default_emit_except_table_label): New.
14288 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14290 (asm_out): Add here.
14291 * output.h (default_emit_except_table_label): Prototype.
14292 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14293 * config/darwin.c (darwin_emit_except_table_label): Define.
14294 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14296 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14298 PR tree-optimization/18527
14299 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14300 number_of_iterations_special, number_of_iterations_exit):
14301 Move base and step of an iv to a single structure. Add
14302 no_overflow flag, and use it in # of iterations analysis.
14303 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14304 folded_casts argument.
14305 (simple_iv): Pass base and step in a structure. Set no_overflow
14307 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14308 Evaluate expensiveness of computing # of iterations instead of
14309 the final expression.
14310 * tree-scalar-evolution.h (affine_iv): New structure.
14311 (simple_iv): Declaration changed.
14312 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14313 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14314 find_givs_in_stmt): Changed due to simple_iv change.
14316 2006-01-06 Jeff Law <law@redhat.com>
14319 * tree-cfg.c (bsi_replace): Rename final argument from
14320 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14321 change (stmt -> orig_stmt).
14322 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14323 (bsi_remove): Add new argument. Remove EH information
14325 (verify_eh_throw_table_statements): New function.
14326 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14328 * tree-optimize.c (execute_free_cfg_annotations): Verify
14329 the EH throw statement table after removing annotations.
14330 * except.h (verify_eh_throw_table_statements): Prototype.
14331 * tree-flow.h (bsi_remove): Update prototype.
14332 * tree-vrp.c (remove_range_assertions): Add new argument to
14334 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14335 * tree-complex.c (expand_complex_div_wide): Likewise.
14336 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14337 * tree-tailcall.c (eliminate_tailcall): Likewise.
14338 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14339 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14340 * tree-nrv.c (tree_nrv): Likewise.
14341 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14342 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14343 (combine_blocks): Likewise.
14344 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14345 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14346 (cleanup_control_flow): Likewise.
14347 (remove_forwarder_block): Likewise.
14348 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14349 * tree-sra.c (sra_replace): Likewise.
14350 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14351 (forward_propagate_single_use_vars): Likewise.
14352 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14353 * tree-inline.c (expand_call_inline): Likewise.
14354 * tree-vect-transform.c (vect_transform_loop): Likewise.
14355 * tree-outof-ssa.c (rewrite_trees): Likewise.
14356 * tree-cfg.c (make_goto_expr_edges): Likewise.
14357 (cleanup_dead_labels): Likewise.
14358 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14359 (bsi_move_before, bsi_move_after): Likewise.
14360 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14361 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14363 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14366 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14368 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14369 on non gimple variables. Also add checks at the top for decls and
14371 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14373 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14374 and IMAGPART_EXPR for creating MUST_DEFs.
14375 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14376 and NAME_MEMORY_TAG separately from the DECLs.
14378 2006-01-06 Richard Guenther <rguenther@suse.de>
14380 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14381 annotation, if necessary.
14382 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14383 redundant calls to update_stmt.
14384 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14387 2006-01-05 Richard Henderson <rth@redhat.com>
14389 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14391 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14393 * c-typeck.c: Update copyright date.
14395 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14397 * c-typeck.c (build_c_cast): Always warn when casting
14398 from a pointer to an integer of different size, even if
14399 the node was constant.
14401 2006-01-05 Richard Guenther <rguenther@suse.de>
14403 PR tree-optimization/22555
14404 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14405 if one structure field is an array.
14406 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14407 operands even if we found a subvar, but ignore VOPs in this
14409 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14411 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14413 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14415 PR middle-end/24998
14416 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14418 2006-01-05 Richard Guenther <rguenther@suse.de>
14419 Diego Novillo <dnovillo@redhat.com>
14421 * tree-pass.h (TODO_remove_unused_locals): Define.
14422 * gimple-low.c (expand_var_p, remove_useless_vars,
14423 pass_remove_useless_vars): Remove. Update all users.
14424 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14425 (remove_unused_locals): New function.
14426 * tree-flow.h (remove_unused_locals): Declare.
14427 * passes.c (execute_todo): Call remove_unused_locals if
14428 TODO_remove_unused_locals is set.
14429 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14430 * tree-ssa-dce.c (pass_dce): Likewise.
14431 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14433 2006-01-05 Richard Guenther <rguenther@suse.de>
14435 * tree-flow.h (struct fieldoff): Decompose field to
14436 type, size and decl.
14437 * tree-ssa-alias.c (create_sft): Take type as parameter.
14438 (create_overlap_variables_for): Store type, size and decl
14439 in the fieldoff structure.
14440 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14441 of struct fieldoff.
14442 (push_fields_onto_fieldstack): Likewise.
14443 (create_variable_info_for): Likewise. Use offset for the
14444 SFT name if the decl is not available.
14446 2006-01-04 Paul Brook <paul@codesourcery.com>
14448 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14450 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14452 * lambda-code.c (can_put_in_inner_loop): Relax
14454 (can_put_after_inner_loop): New function.
14455 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14456 (perfect_nestify): Change to make copies and modify uses.
14458 2006-01-04 Richard Henderson <rth@redhat.com>
14460 Merge from gomp branch:
14461 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14462 via integer constant.
14463 (pragma_lex): Remove.
14464 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14465 rather than parsing it.
14466 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14467 handle_pragma_extern_prefix): Add %< %> quotes.
14468 (registered_pragmas): New.
14469 (c_register_pragma_1): New.
14470 (c_register_pragma): Use it.
14471 (c_register_pragma_with_expansion): Likewise.
14472 (c_invoke_pragma_handler): New.
14473 (init_pragma): Use cpp_register_deferred_pragma directly for
14475 * c-pragma.h (enum pragma_kind): New.
14476 (pragma_handler): New.
14477 (c_invoke_pragma_handler): Declare.
14478 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14480 * c-common.h (c_common_pch_pragma): Update decl.
14481 * Makefile.in (c-parser.o): Update dependencies.
14482 (GTFILES): Add c-pragma.h.
14483 * c-parser.c (struct c_token): Add pragma_kind.
14484 (struct c_parser): Add in_pragma.
14485 (c_lex_one_token): Always initialize keyword and pragma_kind.
14486 Extract data for CPP_PRAGMA.
14487 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14488 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14489 Don't allow CPP_PRAGMA_EOL if in_pragma.
14490 (c_parser_consume_pragma): New.
14491 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14492 (c_parser_skip_to_end_of_parameter): Likewise.
14493 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14494 (c_parser_skip_to_pragma_eol): New.
14495 (c_parser_external_declaration): Handle CPP_PRAGMA.
14496 (c_parser_compound_statement_nostart): Likewise.
14497 (c_parser_statement_after_labels): Likewise.
14498 (c_parser_pragma): New.
14499 (pragma_lex): Likewise.
14500 (c_parser_pragma_pch_preprocess): New.
14501 (c_parser_new): Merge into ...
14502 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14504 2006-01-04 Jeff Law <law@redhat.com>
14507 * tree-cfg.c (bsi_replace): Remove the original statement
14508 from the EH throw statement table.
14510 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14512 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14513 make the prototype extern "C" and add throw ().
14516 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14517 and pos non-negative and pos + len <= 32.
14518 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14519 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14520 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14523 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14524 as well as sizes not multiple of component size.
14527 * function.c (instantiate_expr): New function.
14528 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14529 walk its DECL_VALUE_EXPR with instantiate_expr.
14531 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14532 DW_OP_deref{,_size} if address isn't going to be added.
14534 2006-01-04 Ben Elliston <bje@au.ibm.com>
14536 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14537 * config/fp-bit.c: Likewise.
14539 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14541 * dominance.c: Add comment about why we use DFS numbering
14544 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14545 Richard Henderson <rth@redhat.com>
14547 Merge from gomp-branch:
14548 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14549 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14551 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14553 PR rtl-optimization/25578
14554 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14555 pass a parameter to simplify_shift_const if changing ASHIFTRT
14558 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14560 * builtins.c (get_builtin_sync_mem): New function.
14561 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14562 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14563 Call get_builtin_sync_mem to generate mem rtx.
14565 2006-01-03 Richard Guenther <rguenther@suse.de>
14568 * stmt.c (add_case_node): Make sure to clear overflow flags
14571 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14573 Merge from gomp-branch.
14574 * config/sparc/sync.md: New file.
14575 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14576 UNSPECV_LDSTUB): New constants.
14577 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14578 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14579 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14582 2006-01-03 Roger Sayle <roger@eyesopen.com>
14584 * combine.c (reg_subword_p): New predicate to test whether the
14585 destination of a set refers to a subword/piece of a register.
14586 (try_combine): Generalize the code to merge the setting of a
14587 pseudo to a constant followed by a set of a subword of that
14588 register to a constant.
14590 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14592 * basic-block.h (control_flow_graph): Change the type of
14593 x_label_to_block_map to VEC(basic_block,gc) *.
14594 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14595 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14597 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14598 VEC(basic_block,heap) *.
14599 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14600 ssa_prop_fini): Adjust the uses of cfg_blocks.
14602 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14604 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14606 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14607 hashing trees instead of a pointer hash.
14608 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14609 compare for MEM_EXPR.
14611 PR rtl-optimization/25130
14612 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14613 when comparing MEMs for GCSE
14615 2006-01-03 Ben Elliston <bje@au.ibm.com>
14617 * targhooks.h (default_decimal_float_supported_p): Declare.
14618 * targhooks.c (default_decimal_float_supported_p): Define.
14619 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14620 `default_decimal_float_supported_p'.
14621 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14623 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14625 * combine.c (apply_distributive_law <SUBREG>): Check
14626 TRULY_NOOP_TRUNCATION.
14628 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14630 * dwarf2out.c (have_switched_text_section): Delete.
14631 (have_multiple_function_sections): New.
14632 (have_location_lists): Make 'bool'.
14633 (add_AT_loc_list): Use 'true' not '1'.
14634 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14635 (output_loc_list): Use have_multiple_function_sections.
14636 (output_ranges): Likewise.
14637 (dwarf2out_begin_function): Set have_multiple_function_sections if
14639 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14640 Check function_section rather than DECL_SECTION_NAME.
14641 (dwarf2out_finish): Use have_multiple_function_sections.
14642 Don't clear have_location_lists.
14644 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14645 Jan Hubicka <jh@suse.cz>
14647 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14648 case of conditional jump jumping to the next instruction.
14649 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14650 cases of conditional jump jumping to the next instruction.
14652 2006-01-02 Jan Hubicka <jh@suse.cz>
14654 * i386.c (*_cost): Add COSTS_N_INSNS.
14655 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14657 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14660 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14662 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14664 * config/arm/arm.c (all_fpus): Fix comment typo.
14665 * config/darwin.c: Likewise.
14666 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14667 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14668 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14670 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14672 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14673 (rs6000_split_compare_and_swapqhi): New.
14674 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14675 (sync_compare_and_swapqhi_internal): New.
14676 * config/rs6000/rs6000-protos.h: Declare.