1 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
9 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
10 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
11 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
12 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
13 implement only CC setting effects of shift instructions.
15 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
17 * doc/contrib.texi: Add myself.
19 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
22 * stor-layout.c (relayout_decl): Don't zero the alignment if it
25 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
28 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
29 (divsi_inv_m1): Use them.
30 (UNSPEC_DIV_INV_TABLE): New constant.
32 2006-09-06 James E Wilson <wilson@specifix.com>
35 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
36 then call count_or_remove_death_notes.
38 2006-09-06 Jason Merrill <jason@redhat.com>
41 * tree-inline.c (copy_result_decl_to_var): New fn.
42 (declare_return_variable): Use it. Call declare_inline_vars here.
43 (expand_call_inline): Not here.
45 2006-09-06 Diego Novillo <dnovillo@redhat.com>
47 * doc/contrib.texi: Update my entry.
49 2006-09-06 Nick Clifton <nickc@redhat.com>
51 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
53 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
56 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
57 (canonicalize_induction_variables): Likewise.
58 (tree_unroll_loops_completely): Likewise.
59 (tree_ssa_prefetch_arrays): Likewise.
60 (remove_empty_loops): Likewise.
61 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
62 TODO_cleanup_cfg instead of directly calling
63 cleanup_tree_cfg_loop.
64 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
66 (tree_unroll_loops_completely): Likewise.
67 (remove_empty_loops): Likewise.
68 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
69 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
70 of tree_ssa_unswitch_loops.
71 (tree_ssa_loop_ivcanon): Use the return value of
72 canonicalize_induction_variables.
73 (tree_ssa_empty_loop): Use the return value of
75 (tree_complete_unroll): Use the return value of
76 tree_unroll_loops_completely.
77 (tree_ssa_loop_prefetch): Use the return value of
78 tree_ssa_prefetch_arrays.
79 * passes.c (execute_todo): Before Cleanup CFG, set
80 updating_used_alone and after cleanup CFG, call
81 recalculate_used_alone.
83 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
86 * tree-vect-transform.c (vectorizable_condition): Move the check
87 for the type after the check for simple condition.
89 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
90 Kaz Kojima <kkojima@gcc.gnu.org>
93 * mode-switching.c (optimize_mode_switching): Make the destination
94 block of an abnormal edge have no anticipatable mode. Don't
95 insert mode switching code at the end of the source block of
98 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
100 PR rtl-optimization/26847
101 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
102 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
103 (simplify_plus_minus): Count n_constants while filling ops. Replace
104 qsort with insertion sort. Before going through the array to simplify
105 pairs, sort it. Delay early exit until after the first sort, exiting
106 only if no swaps occurred. Simplify pairs in reversed order, without
107 special-casing the first iteration. Pack ops after simplifying pairs.
109 2006-09-05 Anatoly Sokolov <aesok@post.ru>
111 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
112 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
113 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
114 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
116 2006-09-05 Richard Guenther <rguenther@suse.de>
118 PR tree-optimization/28900
119 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
120 compound conditional before creating COND_EXPR condition.
122 2006-09-05 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/28905
125 * tree-vrp.c (fix_equivalence_set): Manually implement
126 !value_ranges_intersect_p to also handle symbolic ranges.
128 2006-09-05 Richard Guenther <rguenther@suse.de>
131 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
134 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
136 PR rtl-optimization/27616
137 * cse.c (table_size): New static variable.
138 (new_basic_block): Initialize it to 0.
139 (remove_from_table): Decrement it.
140 (insert): Increment it.
141 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
142 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
143 fold_rtx_mem_1 if under the cap.
144 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
145 the lookup of the equivalent expression and test for equality of the
146 first operand of the equivalent expression before in turn looking up
147 an equivalent constant for the second operand.
149 2006-09-02 Geoffrey Keating <geoffk@apple.com>
152 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
153 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
154 pointer, instead of assuming it is possible to derive the
155 correct args size from a call insn.
157 2006-09-02 Jakub Jelinek <jakub@redhat.com>
160 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
161 (fold_builtin_mempcpy): Rename to...
162 (fold_builtin_memory_op): ... this. Optimize one element copy
164 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
166 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
167 (expand_builtin_memcpy, expand_builtin_mempcpy,
168 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
169 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
170 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
171 BUILT_IN_MEM{CPY,PCPY,MOVE}.
173 2006-09-01 DJ Delorie <dj@redhat.com>
175 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
177 ("stzx_24_<mode>"): Likewise.
178 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
179 ("cmp<mode>_op"): New.
180 (cmp<mode>): Change to expander; just save operands.
182 (b<code>): Change to expander, emit compare here.
183 (s<code>_op): Change to use split and expander.
184 (s<code>_24_op): Likewise.
185 (s<code>_<mode>): New.
186 (s<code>_<mode>_24): New.
187 (movqicc_<code>_<mode): New.
188 (movhicc_<code>_<mode>): New.
191 * config/m32c/m32c.c (compare_op0, compare_op1): New.
192 (m32c_pend_compare): New.
193 (m32c_unpend_compare): New.
194 (m32c_expand_scc): New.
195 (m32c_expand_movcc): Emit the compare also.
196 * config/m32c/predicates.md (mra_nopp_operand): New.
198 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
199 Richard Guenther <rguenther@suse.de>
200 Adam Nemet <anemet@caviumnetworks.com>
203 * builtins.c (get_pointer_alignment): Handle more forms
204 of base addresses that can be used to derive more precise
205 information about alignment.
207 2006-09-01 Jason Merrill <jason@redhat.com>
210 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
213 * gimplify.c (voidify_wrapper_expr): Handle null type.
215 2006-09-01 Josh Conner <jconner@apple.com>
218 * tree-nrv.c (dest_safe_for_nrv_p): New function.
219 (execute_return_slot_opt): Use it.
221 2006-08-31 Josh Conner <jconner@apple.com>
224 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
225 returning aggregates.
227 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
229 PR tree-optimization/28839
230 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
231 blocks in that phi arguments appear.
233 2006-08-31 Roger Sayle <roger@eyesopen.com>
236 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
237 NULL, otherwise use an advance_loc4 to adjust relative to the
239 (output_cfi) <DW_CFA_set_loc>: Update the current label.
240 (dwarf2out_switch_text_section): Reset the current label to avoid
241 using advance_loc4 over section boundaries.
243 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
246 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
247 r12 + SYMBOLIC_CONST.
249 2006-08-30 Richard Guenther <rguenther@suse.de>
251 * Makefile.in (see.o): Add $(EXPR_H) dependency.
253 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
255 PR rtl-optimization/27735
256 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
257 Add new argument to keep track of whether an irreducible region
258 was affected. All callers changed.
259 (fix_irreducible_loops): Removed.
260 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
261 flags were invalidated.
263 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
265 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
266 instead of SF operands.
267 (*fop_df_comm_sse): Likewise.
268 (*fop_df_comm_i387): Likewise.
269 (*fop_df_1_mixed): Likewise.
270 (*fop_df_1_sse): Likewise.
272 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
273 J"orn Rennecke <joern.rennecke@st.com>
275 PR tree-optimization/17506
276 * tree-ssa.c (warn_uninit): If warning about a location outside of
277 the current function, note where the variable was declared.
279 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
281 PR tree-optimization/28411
282 * double-int.c (double_int_div): Use double_int_divmod.
283 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
284 double_int_mod, double_int_smod, double_int_umod): New functions.
285 * double-int.h (double_int_divmod, double_int_sdivmod,
286 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
288 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
290 (get_computation_aff, get_computation_cost_at): Handle double_int
291 return type of constant_multiple_of.
293 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
296 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
297 an implicit conversion.
299 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
301 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
303 2006-08-27 Roger Sayle <roger@eyesopen.com>
305 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
308 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
310 * config/i386/crtfastmath.c: Fix a comment typo.
312 2006-08-26 Roger Sayle <roger@eyesopen.com>
314 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
315 temporary visit flags on CASE_LABEL_EXPRs.
316 * c-common.c (match_case_to_enum): Add function comment. Avoid
317 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
318 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
319 CASE_HIGH_SEEN for enumerated types. If the switch expression is
320 a constant, only warn if that constant value isn't handled.
322 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
325 * input.h (restore_input_file_stack): Declare.
326 (INPUT_FILE_STACK_BITS): Define.
327 * toplev.c (fs_p, input_file_stack_history,
328 input_file_stack_restored, restore_input_file_stack): New.
329 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
330 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
331 (pop_srcloc): Don't free old state of stack.
333 2006-08-26 David Edelsohn <edelsohn@gnu.org>
336 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
337 (PowerPC Type Attributes): New.
339 2006-08-26 Bob Wilson <bob.wilson@acm.org>
341 * config/xtensa/xtensa.c (function_arg_boundary): New.
342 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
344 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
345 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
347 2006-08-26 Jakub Jelinek <jakub@redhat.com>
350 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
353 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
355 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
356 (verify_local_live_at_start): Likewise.
358 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
361 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
362 omp_add_variable): Treat sizes as variable whenever not
365 2006-08-26 Richard Guenther <rguenther@suse.de>
368 * fold-const.c (fold_binary): Fold temporary to correct
369 type before constructing new comparison.
371 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
374 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
375 variable again if DECL_SEEN_IN_BIND_EXPR_P.
377 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
380 * c-decl.c (start_function): Don't try to process prototype
381 information from old declaration that isn't a function.
383 2006-08-25 Jan Hubicka <jh@suse.cz>
386 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
388 2006-08-25 Alan Modra <amodra@bigpond.net.au>
391 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
394 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
396 PR tree-optimization/16876
397 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
398 exit if PARM doesn't match VALUE.
400 2006-08-25 Bob Wilson <bob.wilson@acm.org>
402 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
403 literal_prefix directive.
404 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
405 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
406 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
408 2006-08-25 David Edelsohn <edelsohn@gnu.org>
411 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
412 predicate to general_operand. Add 0->y and I->r alternatives.
414 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
416 * doc/tm.texi: Fix a typo.
417 * predict.c: Fix comment typos.
419 2006-08-25 Nick Clifton <nickc@redhat.com>
421 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
422 assertions of "cpu" and "machine".
424 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
427 * tree-ssa-operands.c (access_can_touch_variable): Don't say
428 the access through a base which has an alias set of 0 cannot
431 2006-08-24 Bill Wendling <wendling@apple.com>
433 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
435 2006-08-24 Jan Hubicka <jh@suse.cz>
437 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
439 2006-08-24 Jan Hubicka <jh@suse.cz>
442 * cgraph.c: Fix comments.
443 (cgraph_varpool_mark_needed_node): Mark only variables not already
445 * cgraphunit.c: Update comments; include gt-cgraphunit.h
446 (cgraph_varpool_assembled_nodes_queue): New static variable.
447 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
448 (cgraph_varpool_output_debug_info): New function.
449 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
450 * Makefile.in: Add gt-cgraphunit.h
452 2006-08-24 Jan Hubicka <jh@suse.cz>
454 * predict.c (probability_reliable_p): New predicate.
455 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
456 (predict_loops): Do not predict loop exit with less than 2%
458 * basic-block.h (edge_probability_reliable_p,
459 br_prob_note_reliable_p): Declare.
460 * ia64.h (ia64_print_operand): Do not disable on-chip branch
461 prediction when static predictor is not reliable.
462 * rs6000.c (output_cbranch): Likewise.
464 2006-08-23 Stuart Hastings <stuart@apple.com>
467 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
468 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
470 2006-08-21 Geoffrey Keating <geoffk@apple.com>
473 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
474 complex values, nor for generic vector values.
476 2006-08-22 Richard Guenther <rguenther@suse.de>
479 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
480 parameter. Convert arguments to arithmetic expression to the
482 (analyze_scalar_evolution_1): Adjust caller.
484 2006-08-22 Jan Hubicka <jh@suse.cz>
486 Patch by Paolo Bonzini
487 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
490 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
492 PR tree-optimization/28003
493 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
494 before grouping aliases.
496 2006-08-22 Roger Sayle <roger@eyesopen.com>
498 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
499 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
501 2006-08-21 Jason Merrill <jason@redhat.com>
504 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
505 wrapper. Loop to handle nested wrappers.
506 (gimplify_bind_expr): Remove temp parameter.
507 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
508 and STATEMENT_LIST on the rhs.
509 (gimplify_statement_list): Voidify the STATEMENT_LIST.
510 (gimplify_expr): Pass pre_p to gimplify_statement_list.
511 (gimplify_target_expr): Remove special BIND_EXPR handling.
513 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
515 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
518 2006-08-21 Olivier Hainque <hainque@adacore.com>
520 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
521 Arrange for the temporary captures of components overlapping the lhs
522 to happen before the lhs is possibly cleared.
524 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
526 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
527 necessary places to pass the correct "number of registers" values
530 2006-08-20 Jan Hubicka <jh@suse.cz>
532 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
533 (create_name_tags): Instead of quadratic checking use hashtable.
534 * bitmap.h: Include hashtab.h.
535 (bitmap_hash): Declare.
536 * bitmap.c (bitmap_hash): New function.
538 2006-08-20 Jan Hubicka <jh@suse.cz>
540 PR rtl-optimization/28071
541 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
543 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
544 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
545 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
546 cgraph_decide_inlining_incrementally): Update use of
547 cgraph_check_inline_limits.
548 * cgraph.c (edge_hash, edge_eq): New function.
549 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
550 cgraph_edge_remove_caller, cgraph_node_remove_callees,
551 cgraph_remove_node): Maintain call site hash.
552 * cgraph.h (struct cgraph_node): Add call_site_hash.
553 (cgraph_set_call_stmt): New function.
555 2006-08-20 Jan Hubicka <jh@suse.cz>
557 PR rtl-optimization/28071
558 * reload1.c (reg_has_output_reload): Turn into regset.
559 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
560 choose_reload_regs, emit_reload_insns): Update to new
561 reg_has_output_reload.
563 2006-08-20 Jan Hubicka <jh@suse.cz>
566 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
568 * cgraphunit.c (cgraph_analyze_function): Don't do so.
570 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
573 * tree.c (handle_dll_attribute): Return early if not a
574 var or function decl.
576 2006-08-18 Joseph Myers <joseph@codesourcery.com>
579 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
580 alignment of SPE vector types.
582 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
584 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
586 2006-08-17 Jakub Jelinek <jakub@redhat.com>
589 * cgraph.h (struct cgraph_node): Remove externally_visible
591 * cgraphunit.c (process_function_and_variable_attributes): Set
592 local.externally_visible rather than externally_visible.
595 * c-common.c (handle_externally_visible_attribute): First look
596 at TREE_CODE and only if it is function or var decl, check for
597 non-public objects. Don't warn for DECL_EXTERNAL.
598 * cgraphunit.c (process_function_and_variable_attributes): Warn
599 if externally_visible attribute is used on non-public object.
601 2006-08-17 Jan Hubicka <jh@suse.cz>
603 PR tree-optimization/27865
604 * reload1.c (forget_marked_reloads): New function.
605 (forget_old_reloads_1): When data are passed, just mark the registers
607 (reload_as_needed): Use the new mechanizm.
609 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
612 * reload.h (reg_equiv_alt_mem_list): New declaration.
613 * reload1.c (reg_equiv_alt_mem_list): New definition.
614 (reload): Initialize it and release it.
615 (delete_output_reload): Use it.
616 * reload.c (push_reg_equiv_alt_mem): New function.
617 (find_reloads_toplev): Call it.
618 (find_reloads_address, find_reloads_address_1): Likewise.
619 (find_reloads_subreg_address): Likewise.
621 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
623 PR rtl-optimization/28489
624 * sched-ebb.c (begin_schedule_ready): Create basic block
626 (advance_target_bb): Skip empty blocks.
627 * haifa-sched.c (bb_note): Make global.
628 * sched-int.h (bb_note): Add prototype.
630 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
632 PR tree-optimization/27865
633 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
635 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
636 fold_used_pointer, pointer_used_p): New functions.
637 (analyze_scalar_evolution_1): Use fold_used_pointer.
638 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
639 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
642 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
645 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
646 or the INTEGER_CST. Fail on a CALL_EXPR.
647 (fold_offsetof): Pass new argument to fold_offsetof_1.
648 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
649 operand into an INDIRECT_REF.
650 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
652 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
654 PR gcov/profile/26570
655 * value-prof.c (static_values): Removed.
656 (tree_find_values_to_profile): Do not set static_values.
657 (find_values_to_profile): Do not free static_values.
658 * profile.c (instrument_values): Do not free the values.
659 (branch_prob): Free the values.
661 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
663 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
665 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
668 * c-typeck.c (build_component_ref): Combine qualifiers of
669 structure or union and field.
671 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
673 PR rtl-optimization/28071
674 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
675 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
676 * tree-into-ssa.c (struct dom_dfsnum): New.
677 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
679 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
680 compute_global_livein.
681 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
682 in phi nodes in the correct blocks.
684 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
686 PR tree-optimization/28364
687 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
689 (fold_affine_expr): New function.
690 (may_eliminate_iv): Use fold_affine_expr.
692 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
695 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
698 2006-08-16 Mike Stump <mrs@apple.com>
700 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
701 * doc/cppopts.texi (-MD): Likewise.
703 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
706 * c-common.c (handle_weak_attribute): Ignore and warn if
707 not a FUNCTION_ or VAR_DECL.
709 2006-07-15 Mike Stump <mrs@apple.com>
712 * c-parser.c (c_parser_typeof_specifier): Don't use
713 c_finish_expr_stmt, open code desired semantics instead.
715 2006-08-15 Nick Clifton <nickc@redhat.com>
717 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
718 fragment to tmake_file only if threads are enabled.
719 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
720 * config/i386/t-gthr-win32: New file. ... here.
722 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
725 * c-parser.c (c_parser_compound_statement_nostart): Reset
726 parser->error after each statement.
728 2006-08-15 Jakub Jelinek <jakub@redhat.com>
731 * omp-low.c (lower_omp_parallel): Convert t to
732 receiver_decl's type.
733 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
734 source before comparison.
737 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
738 to itype in assignment to oldival2.
740 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
744 * c-typeck.c (build_compound_expr): If the second expression
745 is an error mark, then just return an error mark instead of
746 creating a COMPOUND_EXPR.
748 2006-07-14 Mike Stump <mrs@apple.com>
750 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
752 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
754 * c-decl.c, var-tracking.c: Fix comment typos.
756 2006-08-14 Richard Sandiford <richard@codesourcery.com>
758 PR rtl-optimization/28634
759 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
760 for floating-point modes unless flag_unsafe_math_optimizations.
762 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
763 Andrew Pinski <pinskia@physics.uc.edu>
766 * tree.c (build_array_type): Unify array types with
767 unspecified index_type.
768 * c-decl.c (grokdeclarator): Make sure we do not modify a
769 unified incomplete array type.
770 * c-typeck.c (store_init_value): Create distinct type before
771 filling in the index type in an initializer from a compound
774 * c-decl.c (grokdeclarator): Remove code where we copy the
777 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
779 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
780 into account for TODO_dump_cgraph.
781 (TODO_update_ssa_no_phi): Likewise.
782 (TODO_update_ssa_full_phi): Likewise.
783 (TODO_update_ssa_only_virtuals): Likewise.
784 (TODO_remove_unused_locals): Likewise.
785 (TODO_set_props): Likewise.
786 (TODO_update_stmt_usage): Likewise.
788 2006-08-13 Dirk Mueller <dmueller@suse.de>
790 * c-common.c (strict_aliasing_warning): Fix formatting.
792 2006-08-13 Matthias Klose <doko@debian.org>
794 * doc/invoke.texi: Fix spelling errors.
796 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
798 PR rtl-optimization/23454
799 * reorg.c (relax_delay_slots): Update comment.
801 2006-08-11 Richard Guenther <rguenther@suse.de>
804 * simplify-rtx.c (simplify_const_relational_operation):
805 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
808 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
810 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
811 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
813 2006-08-10 Paul Brook <paul@codesourcery.com>
815 * final.c (final_scan_insn): Clear current_insn_predicate before
816 outputting inline asm.
818 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
820 PR tree-optimization/26197
821 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
822 get_ref_base_and_extent and overlap_subvar to add only relevant
823 subvars as may-aliases.
824 (add_may_alias_for_new_tag): New function, factored out of
826 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
827 with additional argument.
828 * tree-flow.h (new_type_alias): Takes additional argument.
830 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
832 * gcov.c (no_data_file): New flag.
833 (read_count_file): Set it if data file not present. Assume counts
835 (output_lines): Don't name the data file, if there wasn't one.
837 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
839 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
840 (rs6000_generate_compare): Tweak comments.
841 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
843 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
845 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
846 (var_debug_decl): New function.
847 (var_reg_set): Follow debug decl link. Add location even if
848 reg is already known to hold some other variable.
849 (var_mem_set): Follow debug decl link.
850 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
851 decl link. Delete other known locations of the variable part
853 (var_reg_delete, var_mem_delete): Delete other known locations
854 of the variable part if requested.
855 (same_variable_part_p): New function.
856 (add_stores): Select MO_COPY when appropriate.
857 (vt_initialize): Handle it.
858 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
859 known locations for MO_SET and MO_CLOBBER.
860 (find_variable_location_part): New function.
861 (set_variable_part, delete_variable_part): Use it.
862 (clobber_variable_part): New function.
863 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
866 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
868 PR tree-optimization/26969
869 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
870 with an empty list of PHIs.
872 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
876 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
879 2006-08-06 Andreas Schwab <schwab@suse.de>
881 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
882 string. Whitespace and comment fixup.
884 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
887 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
891 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
894 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
896 2006-08-04 Jan Hubicka <jh@suse.cz>
900 * reload.c (push_reload): Patch out the mismatching instruction;
902 (find_reload): Bail out if the instruction was patched out.
904 2006-08-04 Jan Hubicka <jh@suse.cz>
906 PR tree-optimization/24888
907 * tree-inline.c (expand_call_inline): Do not re-record variables.
908 (declare_inline_vars): Add variable to unexpanded_var_list.
910 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
911 Roger Sayle <roger@eyesopen.com>
913 PR rtl-optimization/26244
914 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
915 inner_const are negative or greater than or equal to the bitsize of
916 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
917 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
918 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
919 CONST0_RTX (mode) when the new shift count is greater than or equal to
920 to the bitsize of the object being shifted and XEXP (y, 0) has no side
923 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
925 * tree-cfg.c: Fix a comment typo.
927 2006-08-03 Mark Mitchell <mark@codesourcery.com>
930 * varasm.c (output_constant): Give the front end another chance to
931 expand constants, after stripping NOPs.
933 2006-08-03 Jan Hubicka <jh@suse.cz>
935 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
938 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
940 PR tree-optimization/27770
941 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
942 declaration removed (moved to tree-flow.h).
943 (vect_can_force_dr_alignment_p): Likewise.
944 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
945 (moved from tree-vectorizer.h).
946 (vect_can_force_dr_alignment_p): Likewise.
947 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
948 from outside the vectorizer - in particular from cgraph stage.
949 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
950 the alignment of global arrays when -fsection-anchors is enabled.
951 * cgraphunit.c (cgraph_increase_alignment): New function.
952 (cgraph_optimize): Call cgraph_increase_alignment.
954 2006-08-03 David Edelsohn <edelsohn@gnu.org>
957 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
958 not reload a SPE symbol_ref into a lo_sum address.
960 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
963 * dwarf2out.c (prune_unused_types_prune): Move call to
964 prune_unused_types_update_strings to cover the parent DIE also.
966 2006-08-02 Jan Hubicka <jh@suse.cz>
968 PR gcov/profile/28480
969 * tree-cfg.c (change_bb_for_stmt): New function.
970 (tree_merge_blocks, tree_split_blocks): Use it.
972 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
978 * toplev.c (compile_file): Return early on errorcount or sorrycount.
979 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
980 (cgraph_optimize): Likewise.
982 2006-08-01 Stuart Hastings <stuart@apple.com>
984 * rtl.h (UINTVAL) New.
985 * config/rs6000/rs6000.c (SMALL_INT) Use it.
986 * testsuite/gcc.dg/20060801-1.c: New.
988 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
991 * c-typeck.c (build_external_type): Mark used enum types.
992 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
994 (gen_subprogram_die): Whitespace fix.
996 2006-08-01 Jan Hubicka <jh@suse.cz>
998 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
999 bitmap when not needed.
1000 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1003 2006-08-01 Dirk Mueller <dmueller@suse.de>
1005 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1007 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1009 * Makefile.in: Revert part of previous patch:
1010 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1013 2006-07-30 Eric Christopher <echristo@apple.com>
1016 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1017 (PowerPC Variable Attributes): New section.
1019 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1021 PR target/28126 (partial fix)
1022 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1024 2006-07-28 Jan Hubicka <jh@suse.cz>
1026 PR rtl-optimization/28071
1027 * cfgrtl.c (rtl_delete_block): Free regsets.
1028 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1030 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1032 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1033 and variables used in dependencies.
1035 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1037 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1038 %fs for -mcmodel=kernel.
1039 (stack_tls_protect_test_di): Likewise.
1041 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1043 * Makefile.in: Use mkinstalldirs.
1045 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1048 * opts-common.c (prune_options): Skip joined switches.
1050 2006-07-27 Jan Hubicka <jh@suse.cz>
1052 PR rtl-optimization/28071
1053 * cselib.c (cselib_process_insn): Don't remove useless values too
1054 often for very large hashtables.
1056 2006-07-27 Jan Hubicka <jh@suse.cz>
1058 PR rtl-optimization/28071
1059 * global.c (greg_obstack): New obstack.
1060 (allocate_bb_info): Use it.
1061 (free_bb_info): Likewise.
1062 (modify_reg_pav): Likewise.
1064 2006-07-27 Roger Sayle <roger@eyesopen.com>
1066 * builtins.c (fold_fixed_mathfn): When long and long long are the
1067 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1068 functions to their lceil*, lfloor*, lround* and lrint* forms.
1070 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1073 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1075 (rev_branch_insn): Likewise.
1077 2006-07-27 Jan Hubicka <jh@suse.cz>
1079 PR rtl-optimization/28071
1080 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1081 (reg_set_in_bb, max_reg_computed): New static variables.
1082 (regmove_optimize): Free the new array.
1083 (fixup_match_1): Update call of reg_is_remote_constant_p.
1085 2006-07-26 Jan Hubicka <jh@suse.cz>
1087 PR tree-optimization/27882
1088 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1090 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1092 (cgraph_analyze_compilation_unit): Likewise.
1093 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1094 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1095 (cgraph_early_inlinine): Make order garbage collected.
1096 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1098 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1100 * dbxout.c (output_types_sort): Add a comment.
1101 (output_used_types): Free the VEC.
1103 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1105 * function.c (reorder_fix_fragments): Delete.
1106 (reorder_blocks): Don't call it.
1107 (reorder_blocks_1): Put all subblocks under the origin block.
1109 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1111 PR rtl-optimization/27907
1112 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1115 2006-07-25 Roger Sayle <roger@eyesopen.com>
1118 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1119 bar(x) check that bar's result type can represent all the values of T.
1121 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1123 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1125 2006-07-25 Nick Clifton <nickc@redhat.com>
1127 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1128 size_lookup[] array.
1129 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1130 (ggc_pch_count_object): Likewise.
1131 (ggc_pch_alloc_object): Likewise.
1132 (ggc_pch_write_object): Likewise.
1133 (init_ggc): Do not attempt to initialize entries in the
1134 size_lookup[] array for objects whose size is greater than than
1135 the length of the array.
1137 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1139 * dbxout.c (output_used_types_helper): Push queued types
1141 (output_types_sort): New.
1142 (output_used_types): Collect used types on a VEC and sort them
1145 2006-07-24 Richard Guenther <rguenther@suse.de>
1148 * cgraph.c (cgraph_remove_node): Do not check if dumps
1150 * cgraphunit.c (cgraph_optimize): Likewise.
1152 2006-07-24 Jan Hubicka <jh@suse.cz>
1154 PR rtl-optimization/28071
1155 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1156 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1157 splitting before first stmt.
1159 2006-07-24 Jan Hubicka <jh@suse.cz>
1161 PR rtl-optimization/28071
1162 * ipa-inline.c (update_caller_keys): Remove edges that
1163 are no longer inline candidates.
1165 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1168 * dbxout.c (output_used_types_helper, output_used_types): New.
1169 (dbxout_symbol): Call output_used_types.
1171 2006-07-23 Jan Hubicka <jh@suse.cz>
1175 * cgraph.c (cgraph_varpool_nodes): Export.
1176 (decide_is_variable_needed): Ignored "used" attribute in
1177 unit-at-a-time mode.
1178 * cgraph.h (cgraph_varpool_nodes): Declare.
1179 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1180 unit-at-a-time mode.
1182 2006-07-23 Roger Sayle <roger@eyesopen.com>
1185 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1186 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1187 the __gthrw form of thr_keycreate.
1188 (__gthread_key_delete): Silence the unused argument warning.
1190 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1193 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1194 Cache the last found '\0' marker to avoid quadratic behavior.
1196 2006-07-23 Jan Hubicka <jh@suse.cz>
1198 * i386.md (subsi_3_zext): Fix output template.
1200 2006-07-21 Mike Stump <mrs@apple.com>
1202 * doc/invoke.texi (C++ Dialect Options): Note that
1203 -fvisibility-inlines-hidden doesn't affect explicitly
1204 instantiationed inline methods.
1206 2006-07-20 Roger Sayle <roger@eyesopen.com>
1208 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1209 if the target assembler is GNU binutils' gas.
1210 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1211 whether to pass GNU gas or native as command line options.
1213 2006-07-20 Jason Merrill <jason@redhat.com>
1215 * tree.c (remove_attribute): New fn.
1216 * tree.h: Declare it.
1218 2006-07-20 Paul Brook <paul@codesourcery.com>
1221 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1222 they are invalidated by this instruction.
1224 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1227 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1229 2006-07-20 Eric Christopher <echristo@apple.com>
1232 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1234 2006-07-19 Eric Christopher <echristo@apple.com>
1236 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1237 Rewrite dependencies for libgcc_s.1.dylib.
1239 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1241 * except.c (duplicate_eh_regions_1): Clear next_peer.
1243 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1245 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1246 -mlongcall does not guarantee all calls will be long.
1247 * doc/extend.texi (long_call/short_call): Document that longcall
1248 does not guarantee a long call will be used.
1249 (longcall/shortcall): Likewise.
1251 2006-07-18 Roger Sayle <roger@eyesopen.com>
1254 * expmed.c (expand_shift): Additionally check that the shift_cost
1255 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1256 before implementing a LSHIFT_EXPR as a sequence of additions.
1257 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1258 middle-end that DImode shifts need to be synthesized by expand.
1260 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1263 * tree-ssa-operands.c (access_can_touch_variable): Update
1265 Return true if ALIAS is .GLOBAL_VAR.
1267 2006-07-18 David Daney <ddaney@avtrex.com>
1269 * gcc.c (display_help): Fix typo in help text.
1271 2006-07-18 Olivier Hainque <hainque@adacore.com>
1273 * tree.h (categorize_ctor_elements): Adjust prototype and add
1274 descriptive comment, both in accordance with the interface change
1276 * varasm.c (constructor_static_from_elts_p): New function.
1277 Whether a constructor node is a valid static constant initializer
1278 if all its elements are.
1279 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1280 * output.h: Declare it.
1281 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1282 is a valid constant initializer instead of computing the number of
1283 non-constant elements. Use constructor_static_from_elts_p for this
1284 purpose. Replace the head comment with an indication that this is a
1285 helper for categorize_ctor_elements.
1286 (categorize_ctor_elements): Same interface change as for the _1
1287 helper. Former head comment from this helper moved here, adjusted to
1288 account for the interface changes.
1289 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1290 (all_zeros_p): Likewise.
1291 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1292 static versions of the constructor from the categorize_ctor_elements
1293 return value instead of the formerly computed number of non-constant
1296 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1298 * configure: Regenerate.
1299 * Makefile.in (build_libsubdir): New configure substitution
1300 (build_libobjdir): New variable.
1301 (BUILD_LIBIBERTY): Use it.
1303 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1306 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1308 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1311 * c-common.c (handle_weakref_attribute): Ignore attribute in
1312 the same conditions the alias attribute is ignored.
1314 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1316 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1317 (dbxout_begin_prologue): Increment scope_labelno.
1319 2006-07-17 Richard Henderson <rth@redhat.com>
1322 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1325 2006-07-17 Roger Sayle <roger@eyesopen.com>
1326 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1328 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1329 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1330 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1331 functions such as sbrk, write, etc.. Add function prototypes.
1332 Convert function declarations from K&R to ISO C. Cast pointers
1333 to "long" and "unsigned long" instead of "int" and "unsigned int".
1334 Convert tokens following #endif into comments.
1336 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1338 * invoke.texi: Remove mention of f77; Reformat table for
1339 inline parameter options correctly; mention that -malign-double
1340 is default on x86-64 targets.
1342 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1344 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1345 (convert_affine_scev, chrec_convert_aggressive): Use
1346 avoid_arithmetics_in_type_p. Do not check for the subtypes
1349 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1352 * optabs.c (expand_doubleword_shift): Wrap the call to
1353 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1355 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1358 * optabs.c (expand_binop): Pass next_methods rather than methods
1359 to expand_doubleword_shift.
1361 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1364 * tree.h (dump_addr): Declare.
1365 * print-tree.c (dump_addr): New function.
1366 (print_node_brief, print_node): Use it.
1367 * print-rtl.c (print_rtx): Likewise.
1368 * common.opt (-fdump-noaddr): New option.
1369 * doc/invoke.texi (-fdump-noaddr): Document.
1370 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1371 (ve_info_hash): Likewise.
1373 2006-07-13 Andrew Haley <aph@redhat.com>
1375 PR tree-optimization/19505
1376 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1377 edge leaving this block, make sure that the destination of this
1378 block has only one predecessor.
1380 2006-07-17 Richard Guenther <rguenther@suse.de>
1382 PR tree-optimization/28238
1383 * tree-inline.c (copy_bb): Check if we produced valid
1384 gimple copying and substituting a stmt. If not, gimplify
1387 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1389 * optabs.c (maybe_encapsulate_block): New function extracted from...
1390 (emit_libcall_block): ...here. Invoke it on the block of insns to
1391 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1392 (emit_no_conflict_block): Likewise.
1394 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1396 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1398 2006-07-15 Roger Sayle <roger@eyesopen.com>
1400 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1401 a new NOP_EXPR case of the switch statement.
1403 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1406 * stor-layout.c (place_field): Take the bit field with
1407 an excessive size into account in the ms-bitfiled case.
1410 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1411 the previous bit field.
1413 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1416 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1418 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1420 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1421 signal frames correctly even when the signal was installed with
1424 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1426 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1427 (dbxout_function_end): Use local label LFBB. Remove hook
1429 (dbxout_source_line): Use local label LFBB.
1430 (dbxout_block): Likewise.
1431 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1432 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1433 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1434 and DBX_OUTPUT_NFUN.
1436 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1438 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1440 2006-07-13 Jan Hubicka <jh@suse.cz>
1442 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1444 * output.h (align_variable): Declare.
1445 * varasm.c (align_variable): Export.
1446 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1447 when basic block changed.
1449 2006-07-13 Nick Clifton <nickc@redhat.com>
1451 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1452 walking the LOG_LINKS chain.
1454 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1456 * doc/invoke.texi (C++ Dialect Options): Explain difference
1457 between -fvisibility-inlines-hidden and setting hidden
1458 visibility explicitly.
1460 2006-07-12 Eric Christopher <echristo@apple.com>
1462 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1463 (stmp-lipo): Depend on libgcc.a.
1465 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1467 * tree.c: Fix a comment typo.
1469 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1471 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1473 (umulhisi3_r): Likewise.
1475 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1478 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1479 x < 19, vs wchar_t support.
1481 2006-07-12 Nick Clifton <nickc@redhat.com>
1483 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1484 instead of -isa=sh4.
1486 2006-07-12 Mike Stump <mrs@apple.com>
1488 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1490 2006-07-10 Eric Christopher <echristo@apple.com>
1492 * config/t-slibgcc-darwin: Rewrite.
1494 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1497 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1500 2006-07-08 Matthias Klose <doko@debian.org>
1502 * doc/sourcebuild.texi: Fix typo.
1504 2006-07-07 Mike Stump <mrs@apple.com>
1506 * toplev.c (process_options): Don't give -ffunction-sections may
1507 affect debugging warning for Mach-O.
1509 2006-07-07 James E Wilson <wilson@specifix.com>
1511 * config/mips/mips.md (cpu): Add sb1a.
1512 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1513 addition to sb1. Adjust comments to clarify SB-1A differences from
1515 (ir_sb1a_load): New. Modify bypasses to use it.
1516 (ir_sb1a_simple_alu): Likewise.
1517 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1518 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1519 (mips_issue_rate): Add PROCESSOR_SB1A.
1520 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1521 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1522 (TARGET_SB1): Add PROCESSOR_SB1A check.
1523 (TUNE_SB1): Likewise.
1525 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1526 * config/mips/mips.c (mips_store_data_bypass_p): New.
1527 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1528 store_data_bypass_p.
1530 2006-07-08 Paul Brook <paul@codesourcery.com>
1533 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1535 2006-07-07 Richard Guenther <rguenther@suse.de>
1538 * tree.h (build_one_cst): Declare.
1539 * tree.c (build_one_cst): New function.
1540 * tree-ssa-math-opts.c (get_constant_one): Remove.
1541 (insert_reciprocals): Use build_one_cst.
1542 * fold-const.c (fold_plusminus_mult): Likewise.
1544 2006-07-07 Roger Sayle <roger@eyesopen.com>
1546 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1547 * cfgloopanal.c (dump_graph): Likewise.
1548 * dojump.c (discard_pending_stack_adjust): Likewise.
1549 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1551 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1552 * function.c (finalize_block_changes): Likewise.
1553 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1554 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1555 * rtl.c (dump_rtx_statistics): Likewise.
1556 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1558 * varray.c (dump_varray_statistics): Likewise.
1559 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1560 decode_decimal64, encode_decimal128, decode_decimal128,
1561 decimal_real_to_decimal): Likewise.
1563 2006-07-07 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/28187
1566 * tree-vrp.c (vrp_operand_equal_p): New function.
1567 (vrp_bitmap_equal_p): Likewise.
1568 (update_value_range): Use them to compare old and new
1571 2006-07-06 Roger Sayle <roger@eyesopen.com>
1573 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1574 a default case to switch statement to silence compiler warnings.
1576 2006-07-06 Roger Sayle <roger@eyesopen.com>
1579 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1580 the configured assembler supports the x87's ffreep mnemonic.
1581 * configure: Regenerate.
1582 * config.in: Regenerate.
1584 * config/i386/i386.c (output_387_ffreep): New function.
1585 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1586 (output_387_reg_move): Likewise.
1588 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1590 Port to hosts whose 'sort' and 'tail' implementations
1591 treat operands with leading '+' as file names, as POSIX
1592 has required since 2001. However, make sure the code still
1593 works on pre-POSIX hosts.
1594 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1595 which says you should use "tail -c +N" rather than "tail +Nc".
1596 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1598 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1600 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1603 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1606 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1607 PRE_{INC,DEC} of TFmode.
1609 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1610 Alan Modra <amodra@bigpond.net.au>
1613 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1616 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1619 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1620 Remove duplicate gtu.
1622 2006-07-05 Jason Merrill <jason@redhat.com>
1626 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1627 * c-common.c (handle_packed_attribute): So don't copy it here.
1628 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1630 2006-07-05 Mike Stump <mrs@apple.com>
1632 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1634 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1637 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1639 2006-07-05 Richard Guenther <rguenther@suse.de>
1642 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1643 TARGET_SSE2 targets if using SSE math.
1644 (*absdf2_1): Likewise.
1646 2006-07-05 Richard Guenther <rguenther@suse.de>
1648 PR tree-optimization/28162
1649 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1650 make sure to convert the operands to the correct type.
1652 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1654 PR tree-optimization/28218
1656 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1657 to calculate and free the dominator information.
1659 2006-07-04 Peter O'Gorman <peter@pogma.com>
1661 * mklibgcc.in: chmod 644 before ranlib during install.
1663 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1664 J"orn Rennecke <joern.rennecke@st.com>
1666 * configure.ac (.eh_frame data check): Use diff -b.
1668 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1671 * Makefile.in (BUILD_RTL): Add build/vec.o.
1672 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1673 (build/genextract): Delete.
1674 (build/genautomata): Likewise.
1676 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1679 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1680 128-bit IBM long doubles for ABI_V4.
1682 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1684 * tree.c (range_in_array_bounds_p): New predicate.
1685 * tree.h (range_in_array_bounds_p): Declare it.
1686 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1687 return a less conservative answer.
1688 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1689 and flag 'is_group'.
1690 (IS_ELEMENT_FOR_GROUP): New macro.
1691 (FOR_EACH_ACTUAL_CHILD): Likewise.
1692 (next_child_for_group): New helper function.
1693 (can_completely_scalarize_p): Take into account groups.
1694 (sra_hash_tree): Handle RANGE_EXPR.
1695 (sra_elt_eq): Likewise.
1696 (lookup_element): Be prepared for handling groups.
1697 (is_valid_const_index): Delete.
1698 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1699 instead of is_valid_const_index.
1700 <ARRAY_RANGE_REF>: New case.
1701 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1702 is_valid_const_index.
1703 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1704 (scan_dump): Dump info for groups too.
1705 (decide_instantiation_1): Likewise.
1706 (decide_block_copy): Assert that the element is not a group.
1707 Propagate decision to groups.
1708 (generate_one_element_ref): Handle RANGE_EXPR.
1709 (mark_no_warning): Iterate over actual childs.
1710 (generate_copy_inout): Likewise.
1711 (generate_element_copy): Likewise.
1712 (generate_element_zero): Likewise.
1713 (generate_element_init_1): Likewise.
1714 (dump_sra_elt_name): Handle RANGE_EXPR.
1716 2006-07-03 Roger Sayle <roger@eyesopen.com>
1718 PR tree-optimization/26251
1719 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1720 (thread_block): When optimizing for size refuse to thread jumps
1721 that would require duplication of blocks other than redirection
1724 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1726 * configure.ac: Fix thinko in previous check-in.
1727 * configure: Regenerate.
1729 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1732 * configure.ac (for lang...): Simplify nesting of conditionals.
1733 Test subdir_requires for non-enabled languages. Move processing
1734 of lang_opt_files and lang_tree_fiels below that test.
1735 * configure: Regenerate.
1736 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1738 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1740 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1742 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1744 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1747 2006-06-29 Jason Merrill <jason@redhat.com>
1754 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1755 * c-common.c (c_determine_visibility): Handle it here.
1756 * c-decl.c (finish_decl): Call c_determine_visibility for
1758 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1760 * varasm.c (default_assemble_visibility): Likewise.
1761 * c-common.c (handle_visibility_attribute): Complain about trying
1762 to give visibility to an already defined class, or trying to change
1763 declared visibility. Always attach the attribute.
1768 * attribs.c (decl_attributes): Ignore type-in-place attributes
1769 once the type has been defined.
1771 2006-06-29 Roger Sayle <roger@eyesopen.com>
1774 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1775 to indicate the cpplib has issued an error message for us.
1777 2006-06-29 Asher Langton <langton2@llnl.gov>
1780 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1781 insert a label at the end of an function under Mach-O.
1783 2006-06-29 Eric Christopher <echristo@apple.com>
1784 Evan Cheng <evan.cheng@apple.com>
1786 * predicates.md (vector_all_ones_operand): New.
1787 (nonimmediate_or_sse_const_operand): Ditto.
1788 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1789 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1790 (standard_sse_mode_p): Ditto.
1791 (standard_sse_constant_p): Add case for -1 vector.
1792 (ix86_expand_vector_move): Try to use.
1793 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1794 Call standard_sse_constant_opcode.
1795 (*movv4sf_internal): Ditto.
1796 (*movv2df_internal): Ditto.
1798 2006-06-29 Roger Sayle <roger@eyesopen.com>
1800 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1801 of XEXP to extract the operands of a MATCH_CODE rtx.
1803 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1805 * tree.c (tree_size): Do not waste tail padding in
1806 struct tree_string and make the size be the same as
1807 build_string will generate.
1809 2006-06-28 Jason Merrill <jason@redhat.com>
1812 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1813 may_aliases already in the tag's annotations to the bitmap.
1815 2006-06-28 Roger Sayle <roger@eyesopen.com>
1817 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1819 2006-06-28 Roger Sayle <roger@eyesopen.com>
1821 * genpreds.c (generate_switch_p): New function.
1822 (add_mode_tests): Push the new mode test down inside an AND expr
1823 if this allows the switch-suitable MATCH_CODE to be near the root.
1824 (write_match_code_switch): New function to write a MATCH_CODE as
1826 (write_predicate_stmts): New function to write a predicate RTX
1827 expression as a sequence of statements.
1828 (write_one_predicate_function): Use write_predicate_stmts.
1829 (write_tm_constrs_h): Likewise.
1831 2006-06-26 Fred Fish <fnf@specifix.com>
1833 * config/mips/t-sb1: New file.
1834 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1837 2006-06-26 DJ Delorie <dj@redhat.com>
1839 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1841 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1842 Jayant Sonar <jayants@kpitcummins.com>
1843 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1845 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1846 (subsi3, subsi3_1, subsi3_2): New.
1847 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1848 * config/m32c/mov.md (SI mov peephole): New.
1849 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1850 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1852 2006-06-26 Olivier Hainque <hainque@adacore.com>
1854 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1855 a CALL_EXPR target function declaration.
1857 2006-06-26 Richard Guenther <rguenther@suse.de>
1859 * tree.c (build_string): Do not waste tail padding in
1862 2006-06-26 Richard Guenther <rguenther@suse.de>
1864 * ggc-page.c (init_ggc): Add missing element to size_lookup
1868 2006-06-23 Richard Guenther <rguenther@suse.de>
1870 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1871 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1872 alignment requests instead. Add verification code.
1873 Add struct tree_function_decl and struct tree_binfo size to
1874 extra_order_size_table. Add missing element to size_lookup
1877 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1880 * fold-const.c (const_binop): Be prepared for self returning zero.
1881 Simplify code handling complex values.
1883 2006-06-24 Olivier Hainque <hainque@adacore.com>
1885 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1886 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1889 2006-06-24 Olivier Hainque <hainque@adacore.com>
1891 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1892 ARRAY_REF, so have the callback called for the low bound expression.
1894 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1896 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1897 * c-typeck.c (c_common_type): Disallow operations on decimal float
1898 types and other float types.
1899 * convert.c (convert_to_real): Don't ignore conversions involving
1900 decimal float types.
1902 2006-06-23 Olivier Hainque <hainque@adacore.com>
1904 * tree.c (max_int_size_in_bytes): New function, inspired from
1905 code in function.c:assign_temp.
1906 * tree.h (max_int_size_in_bytes): Declare.
1907 * function.c (assign_temp): Use it.
1908 * gimplify.c (create_tmp_var): Relax the assertions on the type
1909 properties, not mandating constant size any more.
1910 (force_constant_size): New static function.
1911 (gimple_add_tmp_var): Use it, forcing variable size to a
1912 constant upper bound if it is not constant on entry.
1914 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1917 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1918 for initialization and setting of one_only flag to ...
1919 (i386_pe_encode_section_info): ...here.
1920 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1921 Recheck that the symbol has not been defined.
1923 2006-06-23 Richard Guenther <rguenther@suse.de>
1925 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1926 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1927 alignment requests instead. Add verification code.
1928 Add struct tree_function_decl and struct tree_binfo size to
1929 extra_order_size_table. Add missing element to size_lookup
1932 2006-06-22 Roger Sayle <roger@eyesopen.com>
1933 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1936 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1937 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1939 2006-06-23 Ben Elliston <bje@au.ibm.com>
1941 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1942 negate dn -- manipulate it directly.
1944 2006-06-22 Roger Sayle <roger@eyesopen.com>
1945 Steven Bosscher <stevenb.gcc@gmail.com>
1948 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1949 generated by gen_move_insn to add REG_LABEL notes if necessary.
1951 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1953 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1954 (leaf_entry): Remove use of MIN_ESA.
1956 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1958 PR rtl-optimization/28121
1959 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1962 2006-06-21 DJ Delorie <dj@redhat.com>
1964 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1966 (mulhisi3_r): Likewise.
1968 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1971 * coverage.c (coverage_counter_alloc): Leave the index type
1973 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1976 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1978 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1979 section from the "Options for Code Generation Conventions".
1981 2006-06-21 Richard Henderson <rth@redhat.com>
1985 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1987 (global_symbolic_operand): Allow weak symbols, even if local_p.
1989 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1991 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1992 (find_interesting_uses_address): Punt if above function returns true.
1994 2006-06-21 Richard Guenther <rguenther@suse.de>
1996 * configure: Regenerated.
1998 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2000 * config/mips/mips.c (function_arg): Where one part of a
2001 complex argument is in registers and the other part in the stack,
2002 return a REG not a PARALLEL.
2004 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2006 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2007 when cross-compiling. Do not substitute libstdcxx_incdir.
2008 * configure: Regenerated.
2010 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2012 * varasm.c (mergeable_string_section): Check for embedded NULs and
2013 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2014 rather than TREE_STRING_LENGTH bytes.
2016 2006-06-21 Richard Guenther <rguenther@suse.de>
2018 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2019 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2022 2006-06-21 Richrad Guenther <rguenther@suse.de>
2024 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2025 Limit iteration over the dominators.
2027 2006-06-20 Roger Sayle <roger@eyesopen.com>
2029 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2030 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2032 2006-06-20 Richard Guenther <rguenther@suse.de>
2033 Michael Matz <matz@suse.de>
2035 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2037 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2038 * et-forest.h (et_free_pools): Prototype new function.
2039 * et-forest.c (et_free_tree_force): Free parent occurrence.
2040 (et_free_pools): New function.
2041 * dominance.c (free_dominance_info): Free et-forest alloc
2044 2006-06-20 Roger Sayle <roger@eyesopen.com>
2046 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2047 integer modes, attempt to directly construct an integer constant.
2049 * fold-const.c (native_encode_vector): Determine the size of each
2050 element from the vector type instead of the first vector element.
2052 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2053 if all of its elements/components are constant.
2054 (build_constructor_from_list): Likewise.
2056 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2058 PR tree-optimization/27331
2059 * tree-data-ref.c (free_data_ref): New function.
2060 (create_data_ref): Fail if the data reference has unknown access
2062 (free_data_refs): Use free_data_ref.
2064 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2067 * tree-inline.c (setup_one_parameter): Strip useless
2068 type conversion before adding it to the IR.
2069 (declare_return_variable): Likewise.
2071 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2074 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2076 2006-06-19 Mike Stump <mrs@apple.com>
2078 * tree.c (variably_modified_type_p): VM arguments don't make the
2081 2006-06-19 Richard Guenther <rguenther@suse.de>
2083 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2084 type conversions after folding.
2086 2006-06-19 Richard Guenther <rguenther@suse.de>
2088 * ggc-page.c (extra_order_size_tab): Add entries with
2089 size of struct function and basic_block.
2090 (size_lookup): Extend to cover sizes up to 511.
2091 (ggc_alloc_stat): Adjust user.
2092 (ggc_pch_count_object): Likewise.
2093 (ggc_pch_alloc_object): Likewise.
2094 (ggc_pch_write_object): Likewise.
2096 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2098 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2099 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2102 2006-06-19 Denis Chertykov <denisc@overta.ru>
2104 * config/avr/libgcc.S : Correct my wrong previous commit.
2106 2006-06-19 Roger Sayle <roger@eyesopen.com>
2109 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2110 have stripped a SUBREG from the shift count, so we may need to
2111 convert_to_mode back to the type's mode before calling make_tree.
2112 Use new_amount instead of amount to avoid expanding a tree twice.
2114 2006-06-19 Richard Guenther <rguenther@suse.de>
2117 * fold-const.c (operand_equal_p): Check if the argument types
2118 have the same precision before stripping NOPs.
2120 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2122 Fix PR tree-optimization/27341
2123 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2125 * tree-complex.c (pass_lower_complex): Update SMT usage.
2127 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2129 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2130 Add a new alternative to the constraint strings. Add move of
2131 operand 1 to 3 to the splitter definition.
2132 ("doloop_si_long"): Second contraint alternative removed.
2134 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2136 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2137 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2139 (AVR_HAVE_MOVW) Define.
2140 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2141 (ASM_SPEC): Add avr25.
2142 (LINK_SPEC): Add avr25.
2143 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2144 (base_arch_s): Add new member 'have_movw_lpmx'.
2145 (avr_arch_types): Init 'have_movw_lpmx'.
2146 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2147 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2148 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2149 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2150 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2152 (avr_file_start): Do not output '.arh' derective.
2153 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2154 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2155 * config/avr/avr.md (mcu_enhanced): Delete.
2156 (mcu_have_movw): Define.
2157 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2158 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2159 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2160 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2161 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2162 attiny861 and at86rf401 devices.
2164 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2166 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2169 2006-06-17 Karl Berry <karl@gnu.org>
2171 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2172 doc/gccint.texi, doc/install.texi (@dircategory): Use
2173 "Software development" instead of "Programming", following
2174 the Free Software Directory.
2176 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2178 * config/i386/i386.c (legitimate_tls_address)
2179 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2180 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2181 (*tls_dynamic_gnu2_combine_64): Likewise.
2183 2006-06-16 Richard Guenther <rguenther@suse.de>
2186 * fold-const.c (negate_expr_p): Do not introduce undefined
2187 overflow in negating INTEGER_CSTs.
2188 (fold_negate_expr): Rename from negate_expr. Revert last
2189 change for folding BIT_NOT_EXPR. Change semantics to
2190 return NULL_TREE for non-simplified negations. Do not
2191 strip type conversions and unify type handling.
2192 (negate_expr): New function, wrap around fold_negate_expr
2193 but ensure building a tree always. Strip type conversions
2194 here, fold to result type.
2195 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2197 2006-06-16 Roger Sayle <roger@eyesopen.com>
2200 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2201 that (would) return their results in stack registers.
2203 2006-06-16 Michael Matz <matz@suse.de>
2204 Richard Guenther <rguenther@suse.de>
2206 * fold-const.c (fold_truthop): Only return new tree node if
2207 we canonicalized something.
2209 2006-06-16 Richard Guenther <rguenther@suse.de>
2211 * function.h (enum function_frequency): Move declaration
2212 out of struct function.
2213 (struct function): Move bool fields and the enum to the bitfield
2214 section. Reorder elements to avoid padding. Remove unused
2215 fields left over from the RTL inliner removal.
2216 * function.c (free_after_compilation): Do not zero removed fields.
2217 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2218 (ipa-type-escape.o): Likewise.
2220 2006-06-16 Richard Guenther <rguenther@suse.de>
2222 * cgraph.h (struct cgraph_local_info): Turn bool elements
2224 (struct cgraph_node): Likewise.
2225 (struct cgraph_varpool_node): Likewise.
2227 2006-06-15 Richard Guenther <rguenther@suse.de>
2229 * fold-const.c (fold_truth_not_expr): Rename from
2230 invert_truthvalue. Give it fold_* semantics to avoid
2232 (invert_truthvalue): New function. Wrapper around
2233 fold_truth_not_expr.
2234 (optimize_minmax_comparison): Avoid creating garbage.
2235 (fold_unary): Use fold_truth_not_expr for folding
2237 (fold_ternary): Replace uses of invert_truthvalue with
2238 fold_truth_not_expr where applicable.
2239 * tree.h (fold_truth_not_expr): Prototype.
2241 2006-06-16 Richard Guenther <rguenther@suse.de>
2243 PR tree-optimization/27781
2244 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2245 * ipa-pure-const.c (target.h): Include.
2246 (analyze_function): Do not analyze functions that do not
2249 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2252 * tree-dfa.c (referenced_vars_dup_list): Remove.
2253 (find_referenced_vars): Remove assert.
2254 (referenced_var_check_and_insert): Replace dup list with assert.
2255 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2256 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2258 2006-06-15 Richard Guenther <rguenther@suse.de>
2260 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2261 extra unused identifiers if not dumping.
2262 (create_variable_info_for): Likewise.
2264 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2266 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2267 (derive_constant_upper_bound): Derive more precise upper bound in
2268 common cases. Return type changed to double_int.
2269 (record_estimate): Reflect the changed return type of
2270 derive_constant_upper_bound.
2271 * double-int.c (double_int_zext, double_int_sext): Fix.
2273 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2275 * configure.ac (CFLAGS): Get them from the toplevel or from the
2276 configure invocation.
2277 * configure: Regenerate.
2278 * Makefile.in (CFLAGS): Substitute value provided by configure.
2280 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2283 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2284 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2285 rather than calling add_stmt on it.
2286 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2288 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2291 * reload1.c (reload): Remove registers returned by update_eliminables
2292 from used_spill_regs.
2294 2006-06-13 DJ Delorie <dj@redhat.com>
2296 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2298 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2300 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2301 html__strip_dir, html__mkdir_p. Enhance install-html target.
2302 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2303 * configure: Regenerate.
2305 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2307 * fold-const.c (fold_cond_expr_with_comparison): Check for
2308 Objective-C++ as language in deciding COND_EXPR transformation.
2310 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2313 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2314 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2315 * config/sh/lib1funcs.h (SL, SL1): Define.
2316 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2317 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2318 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2319 (OBJS_Os_4_200): New variable.
2320 ($(T)libgcc-Os-4-200.a): Use it.
2321 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2322 when dividing 1 and/or by 0.
2324 2006-06-13 Roger Sayle <roger@eyesopen.com>
2326 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2327 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2328 * configure: Regenerate.
2330 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2332 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2333 for real instruction.
2335 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2338 * haifa-sched.c (check_cfg): Handle special case.
2340 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2343 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2344 Add debug_info parameter. Chain the vars to the BLOCK instead
2345 of the BIND_EXPR if debug info are requested for them.
2346 (pop_gimplify_context): Adjust for above change.
2347 (gimple_add_tmp_var): Likewise.
2348 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2350 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2351 (convert_local_reference): Likewise.
2352 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2353 (finalize_nesting_tree_1): Request that debug info be emitted
2354 for debug_var_chain.
2356 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2358 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2359 for PR target/27863.
2361 2006-06-13 Richard Guenther <rguenther@suse.de>
2364 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2366 2006-06-13 Richard Guenther <rguenther@suse.de>
2368 PR tree-optimization/27830
2369 * tree-inline.c (copy_body_r): For copying the operand
2370 of an ADDR_EXPR make sure to fold &* afterwards.
2372 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2374 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2375 lvalues in the fb_none case with side-effects.
2377 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2379 * tree-flow.h: Remove the prototype for
2380 compute_phi_arg_on_exit.
2381 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2382 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2385 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2387 * builtins.c (expand_builtin_return_addr): Only use
2388 frame_pointer_rtx when count == 0 and we are expanding
2389 __builtin_return_address.
2391 2006-06-12 Fred Fish <fnf@specifix.com>
2393 * config/mips/mips.c (mips_file_start): Create special section
2394 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2396 2006-06-11 Eric Christopher <echristo@apple.com>
2399 * stor-layout.c (place_field): Remove check for
2400 remaining_in_alignment when aligning at the end of a run.
2402 2006-06-11 Eric Christopher <echristo@apple.com>
2405 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2408 2006-06-11 Roger Sayle <roger@eyesopen.com>
2411 Revert incorrect fix for PR target/27158
2412 2006-05-08 Roger Sayle <roger@eyesopen.com>
2413 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2414 of a reg_equiv_constant if the result is a legitimate constant.
2416 2006-06-11 Roger Sayle <roger@eyesopen.com>
2419 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2420 extract a CONST_VECTOR element and interpret it as an integer.
2421 (vspltis_constant): Use const_vector_elt_as_int instead of the
2422 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2423 * config/rs6000/predicates.md (easy_vector_const): Consider
2424 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2426 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2429 * stor-layout.c (update_alignment_for_field): Don't add extra
2430 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2433 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2435 * config/mips/t-rtems: Add EL/EB multilib variants.
2437 2006-06-09 Mike Stump <mrs@apple.com>
2439 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2441 2006-06-09 David Daney <ddaney@avtrex.com>
2443 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2445 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2447 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2449 2006-06-09 Richard Guenther <rguenther@suse.de>
2451 PR tree-optimization/26998
2452 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2453 of signed types, only TYPE_MIN_VALUE is special, but for both,
2454 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2455 in this case, as is -fwrapv.
2457 2006-06-08 Mike Stump <mrs@apple.com>
2460 * config/darwin.c (darwin_asm_output_anchor): Disable
2461 -fsection-anchors on darwin for now.
2462 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2463 * rs6000/rs6000.c (optimization_options): Likewise.
2465 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2468 * config/i386/i386.c (classify_argument): Skip fields with invalid
2471 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2473 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2474 (cse_insn): Likewise for the stack_pointer_rtx.
2476 2006-06-08 Roger Sayle <roger@eyesopen.com>
2478 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2479 conditions from floating point comparisons.
2481 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2484 * expmed.c (struct alg_hash_entry): Fix type of field T
2485 to match synth_mult argument.
2486 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2488 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2491 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2494 2006-06-08 Richard Guenther <rguenther@suse.de>
2497 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2498 only, if overflow is defined and not trapping.
2499 (negate_expr): Likewise.
2501 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2503 PR tree-optimization/27872
2504 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2505 flag on the new exit edge of the unrolled loop.
2507 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2509 PR rtl-optimization/26449
2510 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2512 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2515 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2516 referenced_variables with matching DECL_UID's.
2517 (find_referenced_vars): Make sure duplicate list is empty to start.
2518 (referenced_var_p): Remove.
2519 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2520 Check if var is in the list, and add if needed. Update the duplicate
2521 list if a different var is in the list with the same DECL_UID.
2522 (add_referenced_var): Call routine to check and insert.
2523 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2524 * tree-flow.h (referenced_vars_dup_list): External declaration.
2526 2006-06-07 Fred Fish <fnf@specifix.com>
2528 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2531 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2534 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2535 the imaginary and real parts of a clobbered register.
2536 Emit insn to set the imaginary part.
2538 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2540 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2541 in lieu of unwind-dw2-fde.c.
2543 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2545 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2547 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2550 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2551 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2552 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2553 V4SImode temporaries and operations instead.
2555 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2557 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2560 2006-06-06 Mike Stump <mrs@apple.com>
2562 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2563 installing during build.
2565 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2567 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2569 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2570 * config/ia64/ia64.c (params.h): New header.
2571 (ia64_optimization_options): New function to adjust parameters.
2572 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2573 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2574 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2576 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2578 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2580 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2583 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2585 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2586 Victor Kaplansky <victork@il.ibm.com>
2588 PR tree-optimization/26360
2589 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2592 2006-06-04 Roger Sayle <roger@eyesopen.com>
2593 Andrew Pinski <pinskia@physics.uc.edu>
2596 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2597 for LABEL_DECL before calling DECL_WEAK.
2600 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2601 LABEL_DECL and PARM_DECL.
2603 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2607 * c-decl.c (grokdeclarator): Disallow variably modified types at
2608 file scope. Avoid marking shared array type of constant size as
2611 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2614 * c-common.c (fold_offsetof_1): Handle static members.
2616 2006-06-04 Eric Christopher <echristo@apple.com>
2618 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2619 (debug_rli): Output value for remaining_in_alignment.
2620 (update_alignment_for_field): Unconditionalize
2621 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2622 extra alignment code.
2623 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2624 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2625 * tree.h (record_layout_info_s): Remove prev_packed.
2626 * doc/extend.texi (ms_struct): Add documentation of format.
2628 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2630 * tree.h: Declare folding_initializer.
2631 * builtins.c (fold_builtin_constant_p): Give definite answer
2632 if folding inside an initializer.
2633 * fold-const.c: Define folding_initializer.
2634 (START_FOLD_INIT): Save and then set folding_initializer.
2635 (END_FOLD_INIT): Restore folding_initializer.
2637 2006-06-04 Richard Guenther <rguenther@suse.de>
2639 PR tree-optimization/27039
2640 * fold-const.c (fold_comparison): Handle pointer comparison
2641 again for all comparison codes. Compare offsets in signed
2643 (fold_binary): Move code from here.
2645 2006-06-03 Roger Sayle <roger@eyesopen.com>
2648 * config/i386/i386.c (construct_container): Split static issued_error
2649 flag into issued_sse_arg_error, issued_sse_ret_error and
2650 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2651 requires the use of x87 registers and the user explicitly
2652 specified the -mno-80387 command line option.
2654 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2656 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2657 HAVE_DECL_SIGALTSTACK.
2659 (segv_handler): Use MC_FLD.
2660 * configure.ac: Check for a sigaltstack declaration.
2661 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2662 * configure: Regenerate.
2663 * config.in: Regenerate.
2665 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2668 * Makefile.in (stmp-fixinc): Fix typo.
2670 2006-06-02 Roger Sayle <roger@eyesopen.com>
2672 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2673 are type correct. Clean-up.
2674 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2675 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2677 2006-06-01 DJ Delorie <dj@redhat.com>
2679 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2680 shift, as we've disabled the "switch" insn that needs it.
2682 2006-06-01 Per Bothner <bothner@bothner.com>
2684 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2685 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2686 * c-ppoutput.c (cb_define): Don't increment line 0.
2688 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2690 * doc/invoke.texi: Add cpu_type power6.
2691 * config.gcc: Add cpu_type power6.
2692 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2693 to power5+ with Altivec.
2694 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2695 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2697 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2699 * config/avr/avr.h (SET_ASM_OP): Define.
2701 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2703 * config/bfin/bfin.c: Fix comment typos.
2705 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2708 * doc/install.texi: Document --enable-bootstrap and
2709 --disable-bootstrap.
2711 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2713 * doc/install.texi: Document that InfoZIP can replace jar.
2715 2006-05-31 Roger Sayle <roger@eyesopen.com>
2717 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2718 isn't available, directly generate the simpler x87 patterns without
2719 the (use (const_int 0)).
2720 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2721 implementation isn't available.
2722 (*negdf2_1): Likewise.
2723 (*negxf2_1): XF mode negation is always done using the x87.
2724 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2726 2006-05-31 Roger Sayle <roger@eyesopen.com>
2728 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2729 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2731 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2733 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2735 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2736 * config/bfin/bfin.c (basic-block.h): Include.
2737 (struct machine_function): New.
2738 (bfin_init_machine_status): New.
2739 (override_options): Initialize init_machine_status.
2740 (bfin_hardware_loop): New.
2741 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2742 (DEF_VEC_P (loop_info)): New.
2743 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2744 (struct loop_info): New.
2745 (loop_info): New typedef.
2746 (struct loop_work): New.
2747 (loop_work): New typedef.
2748 (DEF_VEC_O (loop_work)): New.
2749 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2750 (bfin_dump_loops): New.
2751 (bfin_bb_in_loop): New.
2752 (bfin_scan_loop): New.
2753 (bfin_optimize_loop): New.
2754 (bfin_reorg_loops): New.
2755 (bfin_reorg): Use bfin_reorg_loops.
2756 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2758 (I_REGNO_P): Simplify.
2759 (DP_REGNO_P, DPREG_P): New macros.
2760 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2761 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2762 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2763 Add LT_REGS, LC_REGS, LB_REGS.
2764 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2766 (REGNO_REG_CLASS): Deal with loop registers.
2767 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2769 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2770 New constants for loop registers.
2771 (UNSPEC_LSETUP_END): New.
2772 (seq_insns): New define_attr. Set it for appropriate insns.
2773 (movsi_insn): Add alternatives for move from/to
2774 loop count registers.
2775 (doloop_end): New define_expand.
2776 (loop_end): New define_insn.
2777 (define_split for bad doloop_end): New.
2778 (lsetup_with_autoinit): New define_insn.
2779 (lsetup_without_autoinit): New define_insn.
2780 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2781 * config/bfin/predicates.md (lc_register_operand): New.
2782 (lt_register_operand): New.
2783 (lb_register_operand): New.
2784 (nondp_register_operand): New.
2785 (nondp_reg_or_memory_operand): New.
2786 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2788 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2790 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2791 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2793 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2795 * Makefile.in (CATALOGS): Add po/ prefix.
2796 * configure: Regenerated.
2798 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2801 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2802 a shift operand before calling shift_op. Avoid redundant call of
2805 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2806 DJ Delorie <dj@redhat.com>
2808 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2809 we're inserting is a singlt-bit constant.
2811 2006-05-30 Roger Sayle <roger@eyesopen.com>
2813 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2814 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2816 2006-05-30 Roger Sayle <roger@eyesopen.com>
2818 PR tree-optimization/23452
2819 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2820 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2821 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2822 complex values and with -ffast-math for FP complex values.
2824 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2826 * c-common.h: Remove the prototype for yyparse.
2827 * rtl.h: Remove the prototype for init_loop.
2829 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2831 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2834 2006-05-30 Roger Sayle <roger@eyesopen.com>
2836 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2838 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2839 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2841 2006-05-30 Dirk Mueller <dmueller@suse.de>
2844 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2845 for CONSTANT_CLASS_P expresisons.
2847 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2850 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2852 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2854 PR tree-optimization/27779
2855 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2856 initial_condition instead of CHREC_LEFT.
2858 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2860 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2861 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2862 Make prototypes ISO C90.
2864 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2865 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2867 * see.c (see_analyze_one_def): Correct check.
2868 (see_get_extension_data): Check if extension is parallel.
2869 (see_get_extension_reg): Likewise.
2871 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2874 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2875 into register for (code == GTU).
2877 2006-05-29 Roger Sayle <roger@eyesopen.com>
2879 PR tree-optimization/24964
2880 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2881 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2882 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2883 abs(x)*abs(x) as x*x for scalar floating point modes.
2885 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2888 * lambda-code.c (perfect_nestify): Don't copy statements
2889 in the inner loop: move them to the inner loop header.
2891 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2894 * c-tree.texi: Document OpenMP directives and clauses.
2896 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2898 * varasm.c (globalize_decl): Fix indentation.
2900 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2903 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2904 pass_fre, pass_store_ccp, pass_copy_prop,
2905 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2906 pass_return_slot, pass_object_size, pass_lim,
2907 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2908 pass_loop_prefetch and pass_stdarg.
2910 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2912 * config/bfin/bfin.opt (mfdpic): New option.
2913 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2914 (EXTRA_MULTILIB_PARTS): Likewise.
2915 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2916 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2918 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2919 (CRT_CALL_STATIC_FUNCTION): New.
2920 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2922 (CRT_CALL_STATIC_FUNCTION): New.
2923 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2925 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2926 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2927 (initialize_trampoline): Changed to handle FD-PIC code generation.
2928 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2929 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2930 (override_options): Disallow -mid-shared-library -mfdpic combination.
2931 Can't do unaligned ops if FD-PIC.
2932 Turn off flag_pic if trying to generate non-id-shared-library
2933 non-fdpic code, since it's not supported.
2934 (bfin_assemble_integer): New function.
2935 (TARGET_ASM_INTEGER): Define.
2936 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2938 * config/bfin/crtn.s: Restore them.
2939 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2941 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2942 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2943 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2944 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2945 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2947 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2948 FDPIC_REGS and FDPIC_FPTR_REGS.
2949 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2950 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2951 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2952 (load_funcdescsi): New pattern.
2953 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2954 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2955 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2957 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2959 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2962 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2964 * tree-flow.h: Remove the prototype for add_type_alias.
2965 * tree-ssa-alias.c (add_type_alias): Remove.
2967 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2969 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2970 config/fr30/fr30.md, config/i386/i386-interix.h,
2971 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2972 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2973 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2974 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2975 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2976 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2977 Follow spelling conventions.
2978 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2979 Follow spelling conventions.
2981 2006-05-27 Richard Guenther <rguenther@suse.de>
2984 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2985 to produce a constant of value 1 of generic type.
2987 2006-05-27 Dirk Mueller <dmueller@suse.de>
2989 * cgraphunit.c (decide_is_function_needed): Fix wrong
2992 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2994 PR rtl-optimization/27661
2995 * reload.c (find_reloads): When reloading a VOIDmode constant
2996 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2997 use Pmode as mode of the reload register.
2999 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3001 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3002 is enabled at -O and above.
3004 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3007 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3010 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3013 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3014 for anonymous variables explicitly declared by front ends.
3016 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3018 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3019 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3020 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3021 ref-all pointers, run a finalization pass for them.
3022 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3023 (finalize_ref_all_pointers): New function.
3024 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3025 regular pointer type to a ref-all pointer type.
3026 (get_tmt_for): Return the special memory tag for ref-all pointers.
3028 2006-05-25 Richard Guenther <rguenther@suse.de>
3031 * fold-const.c (fold_binary): Do not look at the stripped
3032 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3034 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3036 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3037 for LT and GT if the computed range is effectively empty.
3039 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3042 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3043 mips_quad_format formats instead of ieee_single_format,
3044 ieee_double_format and ieee_quad_format formats, respectively.
3046 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3048 PR tree-optimization/27639
3049 PR tree-optimization/26719
3050 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3051 call to scev_probably_wraps_p.
3052 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3053 used_in_pointer_arithmetic_p, convert_step): Removed.
3054 (nowrap_type_p): New function.
3055 (scev_probably_wraps_p): Rewritten.
3056 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3057 chrec_convert if chrec_convert_aggressive might have been used.
3058 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3059 scev_direction): New functions.
3060 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3061 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3062 instead of convert_step.
3063 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3064 (convert_step): Declaration removed.
3065 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3067 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3069 * df-core.c: Added to header comments.
3070 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3071 df_ur_bb_info, df_urec_bb_info): Added comments.
3072 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3073 urec, ri problems): Fixed header comments.
3074 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3075 code from df_rd_transfer_function.
3077 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3079 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3080 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3081 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3083 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3085 * expr.c (undefined_operand_subword_p): New.
3086 (emit_move_multi_word): Do not generate move from undefined bits
3087 of a paradoxical subreg.
3089 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3091 PR rtl-optimization/27736
3092 * combine.c (replaced_rhs_value): New variable.
3093 (combine_instructions): Set it.
3094 (distribute_notes): When distributing a note in replaced_rhs_insn,
3095 check whether the value was used in replaced_rhs_value.
3097 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3100 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3101 add_referenced_var instead of add_referenced_tmp_var.
3102 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3103 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3105 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3106 tree_optimize_tail_calls_1): Use add_referenced_var.
3107 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3108 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3109 Use add_referenced_var.
3110 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3111 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3112 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3113 Use add_referenced_var.
3114 * tree-dfa.c (struct walk_state): Remove.
3115 (find_referenced_vars): Remove walk state and vars_found hash table.
3116 (make_rename_temp): Use add_referenced_var.
3117 (find_vars_r): Pass less parameters to add_referenced_var.
3118 (referenced_var_p): New. Is var in referenced_var hash table.
3119 (referenced_var_insert): Assert var isn't already in hash table.
3120 (add_referenced_var): Don't need walk_state parameter. Add var if it
3121 isn't already in the hash table.
3122 (add_referenced_tmp_var): Remove.
3123 (find_new_referenced_vars_1): Use add_referenced_var.
3124 * tree-ssa-pre.c (create_expression_by_pieces,
3125 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3126 Use add_referenced_var.
3127 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3128 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3129 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3131 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3132 vect_create_data_ref_ptr, vect_create_destination_var,
3133 vect_init_vector, vect_build_loop_niters,
3134 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3135 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3136 Use add_referenced_var.
3137 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3138 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3139 (add_referenced_var): Add prototype.
3140 * tree-ssa-structalias.c (get_constraint_for,
3141 intra_create_variable_infos): Use add_referenced_var.
3143 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3145 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3146 big-endian paradoxical subregs.
3147 * var-tracking.c (struct micro_operation_def): Document that,
3148 for modify micro operations, insn is the subsequent instruction.
3149 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3150 (var_reg_set, var_mem_set): ... new functions.
3151 (add_stores): Record subsequent insn.
3152 (compute_bb_dataflow): Use new functions for MO_USE.
3153 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3154 notes after the insn, and modify notes before the insn known
3155 to be the subsequent one.
3156 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3158 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3161 * config/i386/i386.c (ix86_expand_builtin): Use
3162 gen_sse3_monitor64 for TARGET_64BIT.
3164 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3166 PR rtl-optimization/26375
3167 PR rtl-optimization/26855
3168 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3170 (df_ru_bb_local_compute): Reversed statements and removed bogus
3171 comment explaining why they should be in wrong order.
3172 (df_ru_dump, df_rd_dump): Enhanced debug info.
3173 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3175 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3176 reaching uses and fixed space problem.
3178 2006-05-23 Jan Hubicka <jh@suse.cz>
3180 * cgraphunit.c (decide_is_function_needed): Also nested functions
3181 and functions declared inline can be optimized out at -O0.
3183 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3185 * doc/install.texi (Configuration): Remove reference to CrossGCC
3189 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3192 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3193 ix86_compare_emitted is non-NULL.
3195 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3198 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3201 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3203 PR rtl-optimization/25514
3204 * combine.c (replaced_rhs_insn): New variable.
3205 (combine_instructions): Set replaced_rhs_insn when trying to replace
3206 a SET_SRC with a REG_EQUAL note.
3207 (distribute_notes): Use replaced_rhs_insn when determining the live
3208 range of a REG_DEAD register.
3210 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3211 Anatoly Sokolov <aesok@post.ru>
3213 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3214 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3215 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3216 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3217 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3218 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3219 at90usb647, at90usb1286 and at90usb1287 devices.
3220 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3221 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3223 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3225 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3227 2006-05-22 Richard Guenther <rguenther@suse.de>
3230 2006-01-31 Richard Guenther <rguenther@suse.de>
3231 Paolo Bonzini <bonzini@gnu.org>
3233 * doc/install.texi (--disable-libgcc-math): Document.
3235 2006-05-22 Richard Guenther <rguenther@suse.de>
3238 2006-01-31 Richard Guenther <rguenther@suse.de>
3240 * doc/invoke.texi (-msselibm): Document.
3241 * target.h (expand_library_builtin): New target hook.
3242 * builtins.c (expand_builtin): Use expand_library_builtin.
3243 (default_expand_library_builtin): New function.
3244 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3245 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3246 (link_gcc_math_spec): Declare.
3247 (static_specs): Add link_gcc_math_spec.
3248 * expr.h (default_expand_library_builtin): Declare.
3249 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3250 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3251 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3252 * config/i386/i386.opt (msselibm): New target option.
3253 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3254 (ix86_init_sse_abi_builtins): New function.
3255 (ix86_expand_library_builtin): Likewise.
3256 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3257 (override_options): Handle error conditions wrt -msselibm.
3258 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3259 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3260 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3263 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3266 * c-common.c (self_promoting_args_p): Skip erroneous args.
3269 * c-decl.c (finish_struct): Skip erroneous fields.
3271 2006-05-22 Nick Clifton <nickc@redhat.com>
3273 * config/cris/cris.opt (march): Remove VarExists attribute.
3274 (max-stackframe=): Likewise.
3276 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3278 * doc/rtl.texi: Fix a typo.
3279 * see.c: Fix comment typos.
3281 * tree-ssa-structalias.h (alias_info): Remove num_references.
3283 2006-05-21 Mike Stump <mrs@apple.com>
3285 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3287 (darwin_pragma_options): Use BAD instead.
3288 (darwin_pragma_unused): Likewise.
3289 (darwin_pragma_ms_struct): Likewise.
3291 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3293 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3295 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3297 PR rtl-optimization/27671
3298 * simplify-rtx.c (simplify_relational_operation_1): Fix
3299 simplifications of (eq/ne (xor x y) y) and
3300 (eq/ne (xor x y) x).
3302 PR tree-optimization/26622.
3303 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3306 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3308 * tree-cfg.c: Prune whitespace.
3309 (debug_tree_cfg): Point to correct header containing the
3312 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3315 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3317 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3320 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3321 or sorry count is non zero.
3323 2006-05-20 Andreas Schwab <schwab@suse.de>
3325 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3327 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3328 Kenneth Zadeck <zadeck@naturalbridge.com>
3330 PR rtl-optimization/26855
3332 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3334 (df_scan_alloc): Added code to properly handle multiword hard
3335 registers and add all_blocks parameter.
3336 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3337 code to properly handle multiword hard registers.
3338 (df_rescan_blocks): Added code to remove deleted blocks from
3340 (df_ref_create_structure, df_ref_record): Added code to properly
3342 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3343 and set DF_REF_PARTIAL.
3344 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3345 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3346 (df_scan_add_problem): Added flags parameter.
3347 (df_ref_create_structure): Changed switching structure.
3348 (df_bb_refs_record): Fixed case where duplicate artificial refs
3349 were created. Changed location of flags.
3350 (df_record_entry_block_defs): Added code to make stack pointer
3351 live in entry block. Refined cases where frame pointer is needed.
3352 Changed location of flags.
3353 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3354 (df_set_state): Removed function.
3355 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3356 df_insn_create_insn_record, df_insn_refs_delete,
3357 df_ref_create_structure): Formatting changes.
3358 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3359 df_delete_basic_block): New function.
3360 (df_init): Changed location of flags.
3361 (df_add_problem): Added flags parameter and the way flags are
3363 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3364 debug_df_chain): Improved debugging output.
3365 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3366 (df_refs_chain_dump): Removed df parameter.
3367 (df_iterative_dataflow): Added consistency check.
3368 (df_prune_to_subcfg): Made public.
3369 (df_analyze_problem): Added blocks_to_init parameter and made
3371 (df_ref_record, df_bb_refs_record, df_mark_reg,
3372 df_record_exit_block_uses): Whitespace changes.
3373 (df_dump): Whitespace changes.
3374 * df.h: Some reordering to remove forward references.
3375 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3376 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3377 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3378 (dataflow.flags): New field.
3379 (df.flag): Deleted field.
3380 (df_alloc_function): Added additional bitmap parameter.
3381 (df_dependent_problem_function): New type.
3382 (df_problem.changeable_flags): New field.
3383 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3384 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3385 (df_mw_hardreg): New struct.
3386 (DF_INSN_UID_MWS): New macro.
3387 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3389 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3390 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3391 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3392 (df_set_state): Removed function.
3393 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3394 * df-problems.c (df_chain_dump): Removed df parameter.
3395 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3396 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3398 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3399 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3400 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3401 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3402 DF_REF_MUST_CLOBBER cases.
3403 (df_ru_bb_local_compute_process_def,
3404 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3405 df_lr_bb_local_compute, df_ur_bb_local_compute,
3406 df_chain_create_bb): Made subreg aware.
3407 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3408 df_lr_bb_local_compute, df_lr_bb_local_compute,
3409 df_chain_create_bb): Cleanup to use proper macros.
3410 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3411 code to fixup bitvectors.
3412 (df_ri_alloc): Cleared lifetime.
3413 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3414 df_create_unused_note): New function.
3415 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3416 REG_DEAD and REG_UNUSED notes as well as register information.
3417 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3418 df_chains_dump): Fixed crash if problem was never run.
3419 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3420 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3421 df_ri_add_problem): Processes flags in uniform manner.
3422 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3423 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3424 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3425 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3426 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3427 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3428 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3429 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3430 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3431 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3432 * see.c (see_initialize_data): Ditto.
3433 * final.c (rest_of_clean_state) Added regstack_completed.
3434 * rtl.h (regstack_completed): Ditto.
3435 * reg-stack.c (regstack_completed): Ditto.
3437 2006-05-19 Mike Stump <mrs@apple.com>
3439 * c-tree.h (default_conversion): Remove.
3440 * c-common.h (default_conversion): Add.
3442 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3444 * tree-vrp.c (valid_value_p): New function.
3445 (adjust_range_with_scev): Fail if the value of bound is not
3448 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3450 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3451 (mips_fallback_frame_state): Use syscall numbers to determine
3452 the appropriate li instruction for the current ABI. Only use
3453 __NR_sigreturn for o32.
3455 2006-05-19 Nicolas Setton <setton@adacore.com>
3457 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3458 * langhooks.c (lhd_dwarf_name): New function.
3459 * langhooks-def.h (lhd_dwarf_name): Declare.
3460 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3461 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3462 * ada/misc.c (gnat_dwarf_name): New function.
3463 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3465 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3467 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3469 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3470 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3471 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3472 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3473 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3474 determine the size of Wtype, etc.
3475 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3476 (swfloatfuncs): New variable.
3477 (dwfloatfuncs): Likewise.
3478 (lib2funcs): Remove floating-point conversion functions from
3479 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3480 the set of conversion routines needed. Allow entries to specify
3481 an object name, filename and word size. Update users accordingly.
3482 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3483 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3487 2006-02-08 Roger Sayle <roger@eyesopen.com>
3490 * config/fixtfdi.c: New libgcc source file.
3491 * config/fixunstfdi.c: New source file.
3492 * config/floatditf.c: New source file.
3493 * config/floatunditf.c: New souce file.
3494 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3495 files above instead of config/mips/_tilib.c.
3496 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3498 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3500 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3501 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3503 2006-05-18 Mike Stump <mrs@apple.com>
3505 Fix up vla, vm and [*] sematics.
3511 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3512 (c_vla_unspec_p): Add.
3513 (c_vla_type_p): Add.
3514 * c-decl.c (struct c_scope): Add had_vla_unspec.
3515 (build_array_declarator): Add support for [*].
3516 (grokdeclarator): Likewise.
3517 (grokparms): Likewise.
3518 (get_parm_info): Likewise.
3519 * c-objc-common.c (c_vla_unspec_p): Likewise.
3520 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3521 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3522 typeof when argument is a variably modified type not inside sizeof or alignof.
3523 (c_parser_direct_declarator_inner): Propagate errors.
3524 (c_parser_sizeof_expression): Add support for [*].
3525 (c_parser_parms_declarator): Initialize had_vla_unspec.
3526 (c_parser_parms_list_declarator): Likewise.
3527 * c-typeck.c (c_vla_type_p): Add.
3528 (composite_type): Add support for vla compositing.
3529 (comptypes_internal): Add support for vla compatibility.
3530 (c_expr_sizeof_expr): Evaluate vla arguments.
3531 * tree.c (variably_modified_type_p): Update comment for [*].
3533 2006-05-18 Michael Matz <matz@suse.de>
3536 * config.host: Make assignments to host_xmake_file cumulative.
3537 * config.host (*-darwin*): Test $host, not $target.
3539 2006-05-12 Stuart Hastings <stuart@apple.com>
3541 * config/i386/i386.opt (-mstackrealign): New flag.
3542 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3543 (ix86_handle_cconv_attribute): Emit error when
3544 force_align_arg_pointer attribute collides with too many regparms.
3545 (ix86_function_regparm): Limit regparms when used with
3546 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3547 Support stack-realigning prologue in non-main functions. Emit
3548 warning for nested functions under -mstackrealign, emit error for
3549 nested functions with force_align_arg_pointer attribute.
3550 * doc/extend.texi (force_align_arg_pointer): Document it.
3551 * doc/invoke.texi (-mstackrealign): Document it.
3553 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3555 PR rtl-optimization/27477
3556 * combine.c (try_combine): Don't split a parallel consisting
3557 of two sets into two individual sets if both sets reference
3560 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3562 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3563 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3565 * doc/options.texi (VarExists): Updated.
3567 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3569 * unwind-dw2.c: Add declarations for uw_update_context and
3571 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3572 detected, advance frame state and context once to skip over stub.
3574 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3578 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3579 Call rewrite_into_loop_closed_ssa only when something changed.
3580 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3581 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3582 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3583 Test for perfect_nest_p here. Fix formating.
3584 (replace_uses_equiv_to_x_with_y): Fix formating.
3585 (stmt_uses_op): Removed.
3586 (can_convert_to_perfect_nest): Removed loopivs parameter.
3587 Complete the test by checking the scalar dependences.
3588 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3591 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3594 From Dan Kegel <dank@kegel.com>:
3595 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3597 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3599 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3600 if the element type is variably modified without recursing.
3602 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3605 * tree-loop-linear.c (try_interchange_loops): Test for
3606 no data dependences.
3608 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3610 PR tree-optimization/27548
3611 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3612 range of ssa names that appear on abnormal edges.
3613 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3614 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3616 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3619 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3621 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3624 * tree.h (OMP_PARALLEL_COMBINED): Define.
3625 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3626 (new_omp_context): Add is_combined_parallel argument.
3627 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3628 new_omp_context caller.
3629 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3630 Adjust gimplify_scan_omp_clauses callers.
3631 (omp_is_private): Issue errors if iteration variable is firstprivate
3632 or reduction in the current context.
3633 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3634 on combined parallel workshare constructs.
3636 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3638 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3639 (gcc-options.o): New rule.
3641 * optc-gen.awk: Protect variables for gcc-options.o with
3642 #ifdef GCC_DRIVER/#endif.
3644 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3646 Fix PR tree-optimization/27373
3647 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3648 (forward_propagate_addr_expr): Update call.
3650 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3652 * doc/options.texi: Move the Negative option.
3654 2006-05-16 Richard Guenther <rguenther@suse.de>
3656 PR tree-optimization/22303
3657 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3659 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3660 ccp_fold did not simplify the statement.
3662 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3665 * Makefile.in (GCC_OBJS): New.
3666 (OBJS-common): Add opts-common.o.
3667 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3668 (cpp$(exeext)): Likewise.
3669 (gcc.o): Also depend on opts.h.
3670 (opts-common.o): New.
3672 * common.opt (gcoff): Add Negative(gdwarf-2).
3673 (gdwarf-2): Add Negative(gstabs).
3674 (gstabs): Add Negative(gstabs+).
3675 (gstabs+): Add Negative(gvms).
3676 (gvms): Add Negative(gxcoff).
3677 (gxcoff): Add Negative(gxcoff+).
3678 (gxcoff+): Add Negative(gcoff).
3679 * config/i386/i386.opt (m32): Add Negative(m64).
3680 (m64): Add Negative(m32).
3682 * doc/options.texi: Document the Negative option.
3684 * gcc.c: Include "opts.h".
3685 (main): Call prune_options after expandargv.
3687 * optc-gen.awk: Generate common declarations for all flag
3688 variables in options.c. Output the neg_index field.
3690 * opts.c (find_opt): Moved to ...
3691 * opts-common.c: Here. New file.
3693 * opts.h (cl_option): Add a neg_index field.
3695 (prune_options): Likewise.
3697 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3700 * omp-low.c (expand_omp_parallel): Don't assert
3701 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3702 instead search for it.
3705 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3708 2006-05-16 Andreas Schwab <schwab@suse.de>
3710 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3713 2006-05-15 Roger Sayle <roger@eyesopen.com>
3716 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3717 integer constants other than zero are only legitimate on TARGET_64BIT.
3718 <CONST_VECTOR> Only zero vectors are legitimate.
3719 (ix86_cannot_force_const_mem): Integral and vector constants can
3720 always be put in the constant pool.
3722 2006-05-16 DJ Delorie <dj@redhat.com>
3724 * crtstuff.c (__dso_handle): Set section from
3725 TARGET_LBIGCC_SDATA_SECTION if defined.
3726 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3727 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3729 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3732 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3735 2006-05-16 Ben Elliston <bje@au.ibm.com>
3737 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3739 2006-05-15 Per Bothner <per@bothner.com>
3741 * tree.c: (last_annotated_node): Use source_locus typedef.
3742 This permits bootstrapping with --enable-mapped-location.
3744 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3746 PR tree-optimization/26830
3747 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3748 (info_for_ssa_name, current_info_for_ssa_name_age,
3749 blocks_to_update): New variables.
3750 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3751 (clear_ssa_name_info, initialize_flags_in_bb,
3752 mark_block_for_update): New functions.
3753 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3754 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3755 prepare_def_site_for): Use mark_block_for_update.
3756 (mark_def_interesting): Assert that the processed block is marked in
3757 blocks_to_update. Do not take blocks argument.
3758 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3760 (rewrite_update_init_block, rewrite_update_stmt): Only process
3761 blocks with statements to rewrite.
3762 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3763 (update_ssa): Initialize and free blocks_to_update. Do not
3764 clear flags on statements. Do not use blocks bitmap.
3765 * tree.h (SSA_NAME_AUX): Removed.
3766 (struct tree_ssa_name): Removed aux field.
3767 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3769 2006-05-15 Richard Guenther <rguenther@suse.de>
3771 PR tree-optimization/27603
3772 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3773 Do computations in original type.
3775 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3777 * see.c: Code style changes such as redundant paranthesis,
3778 redundant intialization of local variables etc.
3779 (see_main): Declared now as static.
3780 * doc/invoke.texi: Update that -fsee is not enabled by
3783 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3785 * omp-low.c (check_omp_nesting_restrictions): New function.
3786 (scan_omp_1): Call it.
3789 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3790 construct, return *VAR.
3792 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3794 PR rtl-optimization/27406
3795 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3798 2006-05-14 Roger Sayle <roger@eyesopen.com>
3800 PR rtl-optimization/27538
3801 * combine.c (expand_compound_operation): Call gen_lowpart
3802 before calling simplify_shift_const.
3804 2006-05-14 Roger Sayle <roger@eyesopen.com>
3806 PR rtl-optimization/22563
3807 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3808 a fixed width bitfield, always force the intermediates into psuedos.
3810 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3813 * mkconfig.sh: Use operator = instead of == for test.
3815 2006-05-13 Nick Clifton <nickc@redhat.com>
3817 * dwarf2out.c (dbx_reg_number): Check return value from
3818 LEAF_REG_REMAP and only use it if it is valid.
3819 (multiple_reg_loc_descriptor): Likewise.
3821 2006-05-13 Richard Guenther <rguenther@suse.de>
3823 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3826 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3828 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3829 information attached to non-INSNs such as NOTEs.
3830 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3832 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3834 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3836 * config/s390/s390.md: Adjust comment describing On constraint.
3838 2006-05-11 Jan Hubicka <jh@suse.cz>
3840 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3841 to be output at -O0.
3843 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3846 * fold-const.c (size_binop): Move sanity check for arguments to
3847 the beginning of the function.
3850 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3853 2006-05-11 Richard Guenther <rguenther@suse.de>
3856 * fold-const.c (fold_unary): Handle intermediate conversion
3857 to a pointer type like intermediate conversion to an integer
3858 type in folding of (T1)(T2)var to var.
3859 Match the code to the comment in the final conversion for
3860 (T1)(T2)var to (T1)var regarding to type precision. Rather
3861 than disallow T1 being of pointer type, assert that both T1
3862 and var are of pointer type or not. Make sure not to fall
3863 over the frontends lazyness wrt array to pointer decay though.
3865 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3867 * arm.c (arm_struct_value_rtx): Delete.
3868 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3869 (arm_init_cumulative_args): Always initialize nregs to zero.
3871 2006-05-10 Richard Guenther <rguenther@suse.de>
3873 PR tree-optimization/27532
3874 * tree-object-size.c (plus_expr_object_size): Fix typo.
3876 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3879 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3880 ashrdi_const, ashrdi3): Use a scratch register.
3882 2006-05-10 Richard Guenther <rguenther@suse.de>
3884 PR tree-optimization/27302
3885 * fold-const.c (operand_equal_p): For two comparisons,
3886 try comparison of one comparison code swapped if that yields
3889 2006-05-10 Ben Elliston <bje@au.ibm.com>
3891 * tree-pretty-print.c (pretty_print_string): No need to handle
3892 '\0' as a special character.
3894 * tree.h: Include "hashtab.h".
3895 (iterative_hash_expr): Use hashval_t in its prototype.
3896 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3898 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3901 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3902 (hppa*64*-*-hpux11*): Ditto.
3903 (hppa[12]*-*-hpux11*): Ditto.
3905 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3908 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3910 2006-05-09 Michael Matz <matz@suse.de>
3912 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3913 host_extra_gcc_objs and host_xmake_file.
3914 (<*-*-linux*>): Don't overwrite host_xmake_file.
3915 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3916 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3917 (host_detect_local_cpu): Declare.
3918 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3919 * config/i386/i386.c (override_options): Handle -mtune=native
3921 * config/i386/x-i386: New file.
3922 * config/i386/driver-i386.c: New file.
3923 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3926 2006-05-09 Dirk Mueller <dmueller@suse.de>
3927 Richard Guenther <rguenther@suse.de>
3930 * fold-const.c (fold_read_from_constant_string): Relax check
3931 for matching types to matching modes.
3933 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3935 PR rtl-optimization/27335
3936 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3939 2006-05-08 Chao-ying Fu <fu@mips.com>
3940 Richard Sandiford <richard@codesourcery.com>
3942 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3943 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3944 * config/mips/mips.md (UNSPEC_SCC): New constant.
3945 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3946 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3947 (mips_emit_compare): Use it.
3948 (mips_expand_vcondv2sf): New function.
3950 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3952 Fix PR tree-optimization/27093
3953 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3954 renaming when they become not-used_alone.
3956 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3958 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3959 relocation and relocation stubs.
3961 2006-05-08 Eric Christopher <echristo@apple.com>
3963 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3966 2006-05-08 Jan Hubicka <jh@suse.cz>
3969 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3970 unused static functions are needed.
3972 2006-05-08 Roger Sayle <roger@eyesopen.com>
3975 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3976 of a reg_equiv_constant if the result is a legitimate constant.
3978 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3981 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3982 standard 80387 constants, raise the cost to prevent
3983 compress_float_constant() to generate load from memory.
3985 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3987 * config/arm/constraints.md (c): Fix a typo.
3989 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3992 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3995 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3997 (_mm_mwait): Likewise.
3999 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4001 (sse3_monitor): Make it 32bit only.
4002 (sse3_monitor64): New. 64bit monitor.
4004 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4007 * config/i386/i386.c (classify_argument): Skip fields with invalid
4010 2006-05-07 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/27409
4013 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4014 Do not try to find zero-sized subvars.
4016 2006-05-07 Richard Guenther <rguenther@suse.de>
4018 PR tree-optimization/27136
4019 * tree-ssa-loop-niter.c (get_val_for): Correct function
4020 comment, assert requirements.
4021 (loop_niter_by_eval): Stop processing if the iterated
4022 value did not simplify.
4024 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4026 * opts.c (flag_see): remove its setting at -O3.
4028 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4030 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4031 * arm/constraints.md: New file.
4032 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4033 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4034 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4035 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4036 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4037 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4038 * arm.md: Include constraints.md.
4039 (thumb_movsi_insn): Use satisfies_constraint_J.
4040 (movhi, movqi): Use satisfies_constraint_I.
4042 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4044 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4045 for atmeg a645 device.
4047 2006-05-06 Richard Guenther <rguenther@suse.de>
4049 PR tree-optimization/27151
4050 * tree-vect-transform.c (vectorizable_condition): Punt on
4051 values that have a different type than the condition.
4053 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4056 * c-parser.c (c_parser_cast_expression): Only insert casts into
4057 hash table if pointer.
4058 * function.c (used_types_insert_helper): Rename from
4060 (used_types_insert): Call used_types_insert_helper.
4061 * function.h (used_types_insert): Accept only one argument.
4063 2006-05-05 David Edelsohn <edesohn@gnu.org>
4065 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4066 scratch with output modifier.
4068 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4071 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4072 with output modifier.
4074 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4077 * config/mips/mips.c (mips_symbolic_address_p): Return true
4078 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4079 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4081 2006-05-04 Richard Guenther <rguenther@suse.de>
4083 PR tree-optimization/14287
4084 PR tree-optimization/14844
4085 PR tree-optimization/19792
4086 PR tree-optimization/21608
4087 PR tree-optimization/27090
4088 * tree-ssa-pre.c (try_combine_conversion): New function.
4089 (compute_avail): After constructing the value-handle
4090 expression, use try_combine_conversion to combine NOP_EXPRs
4091 with previous value-handle expressions and use the result if it
4094 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4096 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4098 2006-05-04 Jan Hubicka <jh@suse.cz>
4101 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4103 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4105 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4106 that this only matches CONST_INTs. All users changed to VOIDmode
4109 * config/bfin/bfin.c: Include "optabs.h".
4110 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4112 (enum bfin_builtins): Add a number of fractional and vector builtins.
4113 (bfin_init_builtins): Likewise.
4114 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4115 (safe_vector_operand, bfin_expand_binop_builtin,
4116 bfin_expand_unop_builtin): New functions.
4117 (bfin_expand_builtin): Handle the new builtins.
4118 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4121 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4124 * Makefile.in (OBJS-common): Add see.o.
4125 (see.o): Add dependencies.
4126 * common.opt (fsee): New flag for the see optimization was added.
4127 * opts.c (flag_see): Initialized.
4128 * passes.c (init_optimization_passes, pass_see): New pass.
4129 * rtl.h (see_main): Declaration as extern.
4130 * timevar.def (TV_SEE): New.
4131 * tree-pass.h (pass_see): Declaration as extern.
4132 * invoke.texi (-fsee): Document.
4133 * recog.c (validate_simplify_insn): New function.
4134 * recog.h (validate_simplify_insn): Declaration as extern.
4135 * df-problems.c (df_chain_dump): Check for NULL.
4137 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4138 Daniel Berlin <dberlin@dberlin.org>
4140 * cfgrtl.c (insert_insn_bb_end_new): New function.
4141 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4143 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4145 * df.h (struct web_entry): Moved from web.c.
4146 (union_defs): Declaration as extern.
4147 (unionfind_root): Likewise.
4148 (unionfind_union): Likewise.
4149 * web.c (struct web_entry): Moved to df.h.
4150 (unionfind_root): Remove static declaration.
4151 (unionfind_union): Likewise.
4152 (union_defs): Likewise and generalize to use callback function.
4153 (web_main): Update arguments for union_defs function call.
4155 2006-05-04 Richard Guenther <rguenther@suse.de>
4157 PR tree-optimization/26447
4158 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4159 produce SSA_NAME copies before the store stmt to avoid
4160 breaking exception handling.
4162 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4165 * gimplify.c (omp_is_private): If var is shared in some outer context,
4166 return false instead of true. Stop searching on parallel context
4169 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4172 * coverage.c: Use get_gcov_unsigned_t() instead of
4173 unsigned_type_node all over.
4175 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4177 PR tree-optimization/27381
4178 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4179 maintain the same immediate_use links.
4180 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4181 node rather than segfaulting.
4183 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4186 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4187 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4188 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4190 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4192 Fix PR tree-optimization/26626
4193 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4195 * tree-ssa-operands.c (access_can_touch_variable): Allow
4196 typecasting through union pointers.
4198 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4201 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4202 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4203 to find if var will be a global variable even in the nested context.
4204 (omp_copy_decl): Only check for global variable at the end, it might
4205 be overridden in outer contexts.
4206 (scan_sharing_clauses): For global variables don't create a field.
4207 (lower_rec_input_clauses): Do nothing for global shared variables.
4208 Emit a barrier at the end of ILIST if there were any decls in both
4209 firstprivate and lastprivate clauses.
4210 (lower_send_clauses): Do nothing for global variables except for
4213 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4215 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4216 of the correct signedness is returned.
4218 2006-05-02 Jeff Law <law@redhat.com>
4220 PR tree-optimization/27364
4221 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4222 multiply expressions.
4224 2006-05-02 Tom Tromey <tromey@redhat.com>
4226 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4228 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4231 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4232 -mthumb -fPIC are used.
4234 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4235 Joshua Kinard <kumba@gentoo.org>
4238 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4239 with 64-bit pointers.
4241 2006-05-02 Paul Brook <paul@codesourcery.com>
4243 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4245 (create_fix_barrier): Check that a suitable barrier location is
4247 (arm_reorg): Include ftmp->address in allowable range of addresses.
4249 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4252 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4255 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4258 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4259 around RESULT_DECL for result passed by reference.
4260 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4261 * omp-low.c (use_pointer_for_field): Don't look at
4262 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4263 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4264 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4265 time or var for passing by reference for
4266 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4267 TREE_ADDRESSABLE variables when passing by reference.
4269 * omp-low.c (dump_omp_region): Fix output formatting.
4272 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4273 (expand_omp_parallel): Likewise.
4274 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4277 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4278 on statement list containing also constructors and destructors.
4279 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4282 * except.c (duplicate_eh_regions): Fix clearing of
4283 cfun->eh->region_array entries.
4285 2006-05-01 DJ Delorie <dj@redhat.com>
4287 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4289 (gcc_cv_objdump): Likewise.
4290 * configure: Regenerated.
4292 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4295 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4296 templates for case 3 and 4.
4298 2006-05-01 DJ Delorie <dj@redhat.com>
4300 * vec.c: Include bconfig.h when appropriate.
4301 * Makefile.in (build/vec.o): Adjust dependencies.
4302 * mkconfig.sh: Make sure config.h isn't used for build machine
4305 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4307 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4309 (mark_phi_for_rewrite): New function.
4310 (insert_phi_nodes_for, mark_use_interesting): Call
4311 mark_phi_for_rewrite.
4312 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4313 (update_ssa): Initialize and free phis_to_rewrite.
4315 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4317 PR rtl-optimization/27291
4318 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4319 folded to a constant.
4321 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4323 PR tree-optimization/27283
4324 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4325 not whole # of iteration descriptions.
4326 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4327 uses abnormal ssa name.
4328 (niter_for_single_dom_exit): Ditto.
4329 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4330 return just the number of iterations.
4332 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4334 PR tree-optimization/27144
4335 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4336 (record_estimate): Only record constant upper bound.
4337 (infer_loop_bounds_from_undefined): Call
4338 compute_estimated_nb_iterations just once.
4339 (proved_non_wrapping_p): Renamed to ...
4340 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4341 (convert_step_widening, scev_probably_wraps_p): Call
4342 n_of_executions_at_most instead of proved_non_wrapping_p.
4343 (substitute_in_loop_info): Do not replace values in bounds.
4344 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4347 2006-05-01 Richard Henderson <rth@redhat.com>
4350 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4351 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4354 2006-05-01 Roger Sayle <roger@eyesopen.com>
4356 * c-typeck.c (parser_build_binary_op): Don't call the function
4357 unsigned_conversion_warning to spot operand/result type overflow.
4358 (build_binary_op): Instead, call convert_and_check instead of
4359 convert to report the problem when the operands are promoted.
4360 * c-common.c (unsigned_conversion_warning): Make static.
4361 * c-common.h (unsigned_conversion_warning): Delete prototype.
4363 2006-05-01 Richard Guenther <rguenther@suse.de>
4365 PR tree-optimization/26726
4366 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4368 (find_interesting_uses_address): ... we work around here
4369 by folding INDIRECT_REFs in the substituted base.
4371 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4373 * omp-low.c (dump_omp_region): Add newlines.
4375 2006-04-30 Roger Sayle <roger@eyesopen.com>
4377 * common.opt (Woverflow): New command line option.
4378 * c-common.c (constant_expression_warning): Check warn_overflow.
4379 (overflow_waring): Pass OPT_Woverflow to warning.
4380 (unsigned_conversion_warning): Likewise.
4381 (convert_and_check): Likewise.
4382 * doc/invoke.texi: Document new command line option.
4384 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4386 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4387 TARGET_NO_FP_IN_TOC for section anchors.
4388 (optimization_options): Enable section anchors for all
4389 non-"Objective" languages.
4391 2006-04-28 Eric Christopher <echristo@apple.com>
4393 * config/darwin-c.c (darwin_ms_struct): Move this
4394 (darwin_set_default_type_attributes): and this...
4395 * config/darwin.c: ... here.
4396 * config/darwin.h (darwin_ms_struct): Declare.
4398 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4400 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4402 2006-04-28 Roger Sayle <roger@eyesopen.com>
4405 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4406 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4407 an unsigned HOST_WIDE_INT.
4408 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4410 (really_start_incremental_init): No need to call convert because
4411 bitsize_zero_node is already of type bitsizetype.
4412 (push_init_level): Extract the value of constructor_index as an
4413 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4414 (process_init_element): Likewise.
4416 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4418 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4419 value before passing to make_relative_prefix.
4421 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4424 * builtins.c (expand_builtin_memset): Expand val in original mode.
4426 2006-04-27 Eric Christopher <echristo@apple.com>
4428 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4429 with #ifndef/#endif.
4430 * config/darwin-c.c (darwin_ms_struct): New.
4431 (darwin_pragma_ms_struct): Ditto.
4432 (darwin_set_default_type_attributes): Ditto.
4433 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4434 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4435 Register ms_struct pragma.
4436 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4437 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4438 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4439 darwin_set_default_type_attributes if TARGET_MACHO.
4441 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4443 PR tree-optimization/26854
4444 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4445 * doc/tree-ssa.texi: Update immuse iterator documentation.
4446 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4448 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4449 first_safe_imm_use, next_safe_imm_use): Remove.
4450 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4451 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4452 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4453 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4454 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4455 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4456 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4457 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4458 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4459 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4460 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4461 (perfect_nestify): Use new iterator.
4462 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4464 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4465 (next_imm_name): New field in struct immediate_use_iterator_d.
4466 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4467 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4468 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4469 * tree-cfg.c (replace_uses_by): Use new iterator.
4470 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4471 * tree-ssa-operands.c (correct_use_link): Remove.
4472 (finalize_ssa_use_ops): No longer call correct_use_link.
4474 2006-04-27 Stuart Hastings <stuart@apple.com>
4476 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4477 * config/t-darwin (crt3.o): Use it.
4478 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4479 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4480 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4481 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4482 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4485 2006-04-27 Roger Sayle <roger@eyesopen.com>
4487 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4488 size, force the intermediate into a new pseudo rather instead of
4489 performing both a bitwise AND and a bitwise IOR in memory.
4491 2006-04-27 Richard Guenther <rguenther@suse.de>
4493 PR rtl-optimization/26685
4494 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4495 this one "max-flow-memory-locations".
4497 2006-04-27 Richard Guenther <rguenther@suse.de>
4499 PR tree-optimization/25148
4500 * tree-vrp.c (compare_values): Remove code dealing with
4501 comparisons against type min/max value. Honour overflow
4502 and negative constants in code dealing with comparisons
4503 of plus and minus expressions.
4504 (value_inside_range): Use fold_binary with LE_EXPR and
4505 GE_EXPR rather than compare_values.
4507 2006-04-27 Dirk Mueller <dmueller@suse.de>
4509 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4512 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4514 * basic-block.h (safe_insert_insn_on_edge): Removed.
4515 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4517 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4518 Paolo Bonzini <bonzini@gnu.org>
4521 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4522 (simplify_and_const_int): Same.
4524 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4526 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4528 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4531 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4532 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4533 cgraph_global_info_ready.
4536 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4539 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4540 either decl or init is error_mark_node.
4543 * tree-flow.h (struct omp_region): Add sched_kind.
4544 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4545 instead of extracting omp for data.
4546 (expand_omp_for): Save extracted sched_kind.
4548 2006-04-25 Roger Sayle <roger@eyesopen.com>
4550 * expmed.c (store_bit_field): Also check whether the bitsize is
4551 valid for the machine's "insv" instruction before moving the
4552 target into a pseudo for use with the insv.
4553 * config/i386/predicates.md (const8_operand): New predicate.
4554 * config/i386/i386.md (extv, extzv, insv): Use the new
4555 const8_operand predicate where appropriate.
4557 2006-04-25 DJ Delorie <dj@redhat.com>
4559 * doc/install.texi (Specific): Clarify that this is not a list of
4560 supported hosts or targets.
4562 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4564 PR rtl-optimization/26725
4565 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4566 block's BB_DIRTY flag.
4568 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4570 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4573 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4574 to print an integer.
4576 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4578 * varasm.c (align_variable): New function.
4579 (get_block_for_decl): Apply align_variable to DECL before
4580 calculating section information.
4581 (assemble_variable): Split out alignment computation.
4583 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4585 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4588 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4590 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4591 MODE_PARTIAL_INT mode.
4592 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4593 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4595 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4596 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4598 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4600 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4602 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4603 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4604 MACFLAG_IH): Likewise.
4605 (movstricthi_1): Renamed from "*movstricthi".
4606 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4607 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4608 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4609 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4610 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4611 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4612 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4613 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4614 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4615 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4616 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4617 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4618 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4619 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4620 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4622 * doc/rtl.texi (ss_ashift): Improve wording.
4624 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4626 * dwarf2out.c (verify_marks_clear): New.
4627 (prune_unused_types): Call verify_marks_clear initially, not
4630 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4632 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4633 * doc/rtl.texi: Document them.
4634 * simplify-rtx.c (simplify_unary_operation,
4635 simplify_binary_operation_1): Don't abort when we see them.
4637 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4640 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4641 * configure.ac: Completely disregard languages that are not
4643 * configure: Regenerated.
4645 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4646 Richard Guenther <rguenther@suse.de>
4648 PR tree-optimization/27236
4649 * tree-inline.c (copy_body_r): Make sure to copy
4650 TREE_THIS_VOLATILE flag.
4652 2006-04-24 Richard Guenther <rguenther@suse.de>
4655 * tree-complex.c (update_parameter_components): Don't handle
4656 unused parameters which have no default def.
4658 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4659 Richard Guenther <rguenther@suse.de>
4661 PR tree-optimization/27218
4662 * tree-inline.c (expand_call_inline): Strip useless type
4663 conversions for the return slot address.
4665 2006-04-24 Richard Guenther <rguenther@suse.de>
4667 * cfgloop.h (struct loops): Remove unused field array. Reorder
4669 (LOOP_PREFETCH): Remove.
4671 2006-04-24 Richard Guenther <rguenther@suse.de>
4673 PR tree-optimization/22525
4674 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4675 variable, adjust types of generated expressions.
4677 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4679 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4680 (tree-vect-patterns.o): Likewise.
4682 (cselib.o): Likewise.
4683 (loop-doloop.o): Likewise.
4684 (regclass.o): Likewise.
4685 (reload1.o): Likewise.
4686 (explow.o): Replace target.h with $(TARGET_H).
4687 (ipa-prop.o): Likewise.
4688 (ipa-cp.o): Likewise.
4689 (ipa-inline.o): Likewise.
4690 (reorg.o): Likewise.
4691 (reg-stack.o): Likewise.
4693 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4695 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4697 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4699 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4701 * configure.ac: Completely disregard languages that are not
4703 * configure: Regenerated.
4706 * c-common.h (c_build_bitfield_integer_type): Declare.
4707 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4708 * c-common.c (c_build_bitfield_integer_type): ... here.
4710 2006-04-23 Roger Sayle <roger@eyesopen.com>
4713 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4714 a SImode SUBREG of a floating point register after no_new_pseudos.
4716 2006-04-23 Roger Sayle <roger@eyesopen.com>
4718 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4719 identify potentially eliminable registers to additionally catch
4720 VIRTUAL_INCOMING_ARGS_REGNUM.
4721 (addsi3): Update the conditions on when to use addsi_small_int.
4723 2006-04-23 Roger Sayle <roger@eyesopen.com>
4726 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4727 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4728 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4730 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4732 * fold-const.c (range_predecessor): Use operand_equal_p
4733 as the predicate for equality.
4734 (range_successor): Likewise.
4736 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4739 * config/soft-fp/op-common.h: Fix a typo.
4741 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4744 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4745 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4747 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4749 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4751 * doc/tm.texi: Fix a typo.
4753 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4755 * dwarf2out.c (struct die_struct): Document that die_sib makes
4756 a circular linked list.
4757 (FOR_EACH_CHILD): New.
4758 (reverse_die_lists): Delete.
4759 (reverse_all_dies): Delete.
4760 (add_dwarf_attr): Correct documentation.
4761 (remove_child_with_prev): New.
4762 (remove_child_TAG): Update for change to die_struct, use
4763 remove_child_with_prev.
4764 (add_child_die): Update for change to die_struct.
4765 (splice_child_die): Use remove_child_with_prev and add_child_die.
4766 (print_die): Use FOR_EACH_CHILD.
4767 (die_checksum): Likewise.
4768 (assign_symbol_names): Likewise.
4769 (output_location_lists): Likewise.
4770 (build_abbrev_table): Likewise.
4771 (calc_die_sizes): Likewise.
4772 (mark_dies): Likewise.
4773 (unmark_dies): Likewise.
4774 (unmark_all_dies): Likewise.
4775 (output_die): Likewise.
4776 (prune_unused_types_mark): Likewise.
4777 (prune_unused_types_walk): Likewise.
4778 (same_die_p): Update for change to die_struct.
4779 (break_out_includes): Likewise.
4780 (prune_unused_types_prune): Likewise.
4781 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4782 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4784 (dwarf2out_finish): Don't call reverse_all_dies.
4786 2006-04-21 Eric Christopher <echristo@apple.com>
4788 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4789 in comments and function names.
4791 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4794 * c-typeck.c (digest_init): Robustify.
4796 * c-typeck.c (pop_init_level): Simplify.
4798 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4800 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4802 2006-04-21 Paul Brook <paul@codesourcery.com>
4804 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4805 hardware floating point.
4807 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4809 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4812 2006-04-21 Nick Clifton <nickc@redhat.com>
4814 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4817 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4820 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4821 C++ lang type in traceback table for Objective-C++.
4823 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4825 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4827 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4829 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4832 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4833 were errors. Remove check for erroneous objects.
4835 2006-04-20 Jeff Law <law@redhat.com>
4837 PR tree-optimization/26854
4838 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4839 checking for zero or one use.
4840 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4841 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4842 * tree-ssa-reassoc.c (negate_value): Similarly.
4843 (reassociate_bb): Similarly.
4845 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4847 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4848 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4849 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4851 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4853 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4854 fp regs if the last fp arg doesn't fit in regs.
4856 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4859 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4860 that the last insn has the REG_INC note.
4862 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4863 Nathan Sidwell <nathan@codesourcery.com>
4866 * stor-layout.c (update_alignment_for_field): Do not align
4868 (place_union_field): Place union field at the start of the union.
4869 (place_field): Move ERROR_MARK check later, and use the current
4870 allocation position to maintain monotonicity.
4872 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4874 * dominance.c: Include timevar.h.
4875 (calculate_dominance_info): Use TV_DOMINANCE.
4876 * timevar.def (TV_DOMINANCE): New timevar.
4877 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4879 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4881 PR rtl-optimization/14261
4882 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4883 move would be an INSV insn.
4884 (noce_process_if_block): Don't optimize if the destination is a
4885 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4887 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4889 * config/s390/s390.md: Add comments with the instructions emitted
4890 by an insn pattern if macros are used.
4892 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4894 PR rtl-optimization/26026
4895 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4896 is a known power of two shifted left a variable amount.
4898 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4900 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4901 to hash table twice when the debug_str section has SECTION_MERGE.
4903 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4905 * config/soft-fp: New directory. From glibc.
4906 * config/soft-fp/t-softfp: New.
4907 * config/soft-fp/README: New.
4908 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4909 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4910 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4911 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4912 * config.gcc: Use rs6000/t-fprules-fpbit or
4913 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4915 * config/rs6000/sfp-machine.h: New. Based on glibc.
4916 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4918 * config/rs6000/t-fprules: Remove fp-bit rules.
4919 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4920 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4921 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4922 (softfp_wrap_start, softfp_wrap_end): New.
4924 2006-04-18 DJ Delorie <dj@redhat.com>
4926 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4928 2006-04-18 Devang Patel <dpatel@apple.com>
4930 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4932 2006-04-18 Nick Clifton <nickc@redhat.com>
4934 * config/sh/t-symbian: Add rule to build sh-c.o
4935 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4936 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4937 (sh_symbian_encode_section_info): Likewise.
4939 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4941 * builtins.c (expand_builtin_strcmp): Cover label definition of
4942 do_libcall with HAVE_cmpstrnsi.
4944 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4946 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4948 * function.h (temp_slot_p): New.
4949 (function): Change the type of x_used_temp_slots to
4950 VEC(temp_slot_p,gc) *.
4952 2006-04-18 Nick Clifton <nickc@redhat.com>
4954 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4955 flag_strength_reduce.
4957 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4959 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4963 Partial revert of revision 112637
4964 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4965 Dale Johannesen <dalej@apple.com>
4968 * regclass.c (struct reg_pref): Update documentation.
4969 (regclass): Set prefclass to NO_REGS if memory is the best option.
4970 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4972 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4974 PR tree-optimization/26821
4975 * tree-ssa-math-opts.c (get_constant_one): New.
4976 (insert_reciprocals): Use it.
4978 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4980 * dwarf2out.c (free_AT): Delete.
4981 (remove_AT): Update string ref counts.
4982 (remove_child_TAG): Don't call free_die.
4984 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4985 or DW_TAG_GNU_EINCL.
4986 (prune_unused_types_walk_attribs): Reset string refcounts.
4987 (prune_unused_types_update_strings): New.
4988 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4989 call free_die. Do call prune_unused_types_update_strings.
4990 (prune_unused_types): Empty debug_str_hash.
4992 2006-04-17 Roger Sayle <roger@eyesopen.com>
4994 * expr.c (expand_assignment): Optimize away no-op moves where the
4995 source and destination are equal and have no side-effects.
4997 2006-04-17 Richard Guenther <rguenther@suse.de>
5000 * reload.c (push_reload): Guard calls to get_secondary_mem
5003 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5005 * alias.c (reg_base_value, old_reg_base_value): Change the
5006 type to VEC(rtx,gc) *.
5007 (REG_BASE_VALUE, find_base_value, record_set,
5008 init_alias_analysis): Use VEC instead of VARRAY.
5010 * alias.c (alias_sets): Change the type to
5011 VEC(alias_set_entry,gc) *.
5012 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5013 VEC instead of VARRAY.
5014 (last_alias_set): Remove.
5016 * cgraph.h (cgraph_edge_p): New.
5017 Update the prototype of cgraph_function_versioning.
5018 * cgraphunit.c (cgraph_copy_node_for_versioning,
5019 cgraph_function_versioning): Use VEC instead of VARRAY.
5020 * ipa-cp.c (ipcp_insert_stage): Likewise.
5022 2006-04-16 Roger Sayle <roger@eyesopen.com>
5025 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5026 "A op B" or "A op C", we may need to convert A to the type of B and C.
5028 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5030 * target.h (struct gcc_target): Add mode_rep_extended.
5031 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5032 (init_num_sign_bit_copies_in_rep): Initialize it using
5034 (truncate_to_mode): Use it.
5035 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5036 * targhooks.h (default_mode_rep_extended): Declare it.
5037 * targhooks.c (default_mode_rep_extended): Define it.
5038 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5039 default_mode_rep_extended.
5040 (TARGET_INITIALIZER): Include it.
5041 * doc/tm.texi (Misc): Document it.
5042 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5043 (mips_truncated_to_mode): New function.
5045 2006-04-16 Roger Sayle <roger@eyesopen.com>
5048 * expr.c (compress_float_constant): Copy the narrow constant into
5049 a new pseudo before extending it to its final width.
5051 2006-04-16 Roger Sayle <roger@eyesopen.com>
5052 Andrew Pinski <pinskia@gcc.gnu.org>
5053 Dale Johannesen <dalej@apple.com>
5056 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5057 special case code to implement V8HImode and V16QImode with SSE2.
5059 2006-04-15 Roger Sayle <roger@eyesopen.com>
5061 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5062 trees are constructed with a suitable tree type.
5064 2006-04-15 Roger Sayle <roger@eyesopen.com>
5066 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5067 (integer_onep): Likewise.
5068 (integer_all_onesp): Likewise.
5069 (integer_pow2p): Likewise.
5070 (integer_nonzerop): Likewise.
5071 (real_zerop): Likewise.
5072 (real_onep): Likewise.
5073 (real_twop): Likewise.
5074 (real_minus_onep): Likewise.
5075 (int_size_in_bytes): Likewise.
5076 (host_integerp): Likewise.
5078 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5080 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5081 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5082 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5084 * tree-ssa-structalias.h (alias_info): Remove num_references.
5086 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5088 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5089 (output_bvb patterns): Likewise.
5090 * pa.c (output_bb): Use 'bb' insn for long branch case.
5091 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5092 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5093 1. Correct length operand for alternatives 1 and 2.
5094 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5095 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5097 2006-04-14 Roger Sayle <roger@eyesopen.com>
5099 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5100 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5101 were accidentally reverted by r112959.
5103 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5106 * except.h (eh_region_outermost): New prototype.
5107 * except.c (eh_region_outermost): New function.
5108 * tree-cfg.c (find_outermost_region_in_block): Use it.
5110 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5112 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5114 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5115 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5116 (init_reload, reload): Use VEC instead of VARRAY.
5117 * reload.h: Update the prototype for
5118 reg_equiv_memory_loc_varray.
5120 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5121 Eric Botcazou <ebotcazou@libertysurf.fr>
5123 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5126 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5129 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5130 to expand fallback builtin function call.
5132 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5135 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5136 and emit libcall here in case the builtin fails.
5137 (expand_builtin_strcmp): Always emit the libcall here on failure.
5139 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5141 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5142 * flow.c (reg_n_info): Change the type to
5143 VEC(reg_info_p,heap) *.
5144 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5146 * regs.h (reg_info_p): New.
5147 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5148 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5149 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5152 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5154 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5156 * params.h (MAX_SCHED_READY_INSNS): New macro.
5157 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5158 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5159 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5160 the ready list for 1 cycle during the first scheduling pass.
5161 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5163 2006-04-13 Richard Henderson <rth@redhat.com>
5166 * gimple-low.c (lower_omp_directive): Remove dead code.
5167 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5168 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5169 * omp-low.c (struct omp_region): Move to tree-flow.h.
5170 (root_omp_region): Export.
5171 (omp_regions, lookup_omp_region): Remove.
5172 (determine_parallel_type): Update for struct omp_region changes.
5173 (dump_omp_region): Dump regions with block numbers.
5174 (new_omp_region): Take type and block instead of stmt; malloc
5176 (free_omp_region_1, free_omp_regions): New.
5177 (expand_parallel_call): Take entry_stmt as argument; update for
5178 changes to omp_region.
5179 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5180 (remove_exit_barriers): New.
5181 (expand_omp_parallel): Update for struct omp_region changes.
5182 (expand_omp_synch): Likewise.
5183 (expand_omp): Likewise.
5184 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5185 (expand_omp_for_static_chunk): Likewise.
5186 (expand_omp_for): Likewise.
5187 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5188 (expand_omp_sections): Similarly, with GOMP_sections_end.
5189 (expand_omp_single): New.
5190 (build_omp_regions_1): Update for OMP_CONTINUE.
5191 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5192 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5193 OMP_SECTIONS_SECTIONS.
5194 (lower_omp_single_simple): Don't emit barrier here.
5195 (lower_omp_single_copy): Likewise.
5196 (lower_omp_single): Fix bindings, and lower to straightline now.
5197 (lower_omp_master, lower_omp_ordered): Likewise.
5198 (lower_omp_critical): Likewise.
5199 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5200 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5201 omp edges, free it afterward.
5202 (make_omp_sections_edges): Remove.
5203 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5204 (move_stmt_r): Handle OMP_CONTINUE.
5205 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5206 statement pointers to basic blocks. Add type member.
5207 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5208 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5209 * tree-inline.c (estimate_num_insns_1): Likewise.
5210 * tree-pretty-print.c (dump_generic_node): Likewise.
5211 * tree-ssa-operands.c (get_expr_operands): Likewise.
5212 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5213 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5214 (OMP_CONTINUE): New.
5215 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5216 (OMP_SECTIONS_SECTIONS): Remove.
5217 (OMP_SECTION_LAST): New.
5218 (OMP_RETURN_NOWAIT): New.
5220 2006-04-13 Roger Sayle <roger@eyesopen.com>
5222 * fold-const.c (native_encode_vector, native_interpret_real):
5223 Correct obvious mistakes in the previous check-in.
5225 2006-04-13 Roger Sayle <roger@eyesopen.com>
5227 * fold-const.c (native_encode_expr): New function to encode
5228 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5229 or VECTOR_CST into a specified buffer.
5230 (native_encode_int): New function.
5231 (native_encode_real): New function.
5232 (native_encode_complex): New function.
5233 (native_encode_vector): New function.
5234 (native_interpret_expr): Inverse of native_encode_expr to convert
5235 a target representation into an INTEGER_CST, REAL_CST etc...
5236 (native_interpret_int): New function.
5237 (native_interpret_real): New function.
5238 (native_interpret_complex): New function.
5239 (native_interpret_vector): New function.
5240 (fold_view_convert_expr): New function to constant fold/evaluate
5241 a VIEW_CONVERT_EXPR of a suitable constant expression.
5242 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5243 Change call of build1 to fold_build1 when constructing a
5246 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5247 Ulrich Weigand <uweigand@de.ibm.com>
5250 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5253 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5256 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5257 optimize to lo_sum for DFmode if !TARGET_FPRS.
5259 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5261 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5262 delete_alias_info, compute_flow_sensitive_aliasing,
5263 group_aliases): Use VEC instead of VARRAY.
5264 * tree-ssa-structalias.c (update_alias_info): Likewise.
5265 * tree-ssa-structalias.h (alias_info): Change the type of
5266 processed_ptrs to VEC(tree,heap) *.
5268 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5271 * config/sh/lib1funcs.h: New file, broken out of:
5272 * config/sh/lib1funcs.asm.
5273 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5275 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5276 * config/sh/lib1funcs-Os-4-200.asm: New file.
5277 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5278 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5279 (EXTRA_MULTILIB_PARTS): Include it.
5280 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5281 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5282 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5283 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5286 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5288 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5289 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5290 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5292 * tree-ssa-live.h: Include vecprim.h.
5293 (tree_partition_associator_d): Change the type of
5294 first_partition to VEC(int,heap) *.
5295 (tpa_first_partition): Use VEC instead of VARRAY.
5297 * Makefile.in (GTFILES): Move functions.h after tree.h.
5298 * function.c (reset_block_changes, record_block_change,
5299 check_block_change, free_block_changes): Use VEC instead of
5301 * function.h (function): Change the type of
5302 ib_boundaries_block to VEC(tree,gc) *.
5303 * tree-inline.c (copy_cfg_body): Initialize
5304 ib_boundaries_block to NULL instead of (varray_type) 0.
5306 2006-04-12 Roger Sayle <roger@eyesopen.com>
5308 * expr.c (emit_group_store): Correct operand order in call to
5309 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5310 a SUBREG_BYTE of zero.
5312 2006-04-12 Richard Guenther <rguenther@suse.de>
5314 * profile.c (compute_branch_probabilities): Remove code
5315 encapsulated in !ir_type (), which are remanents of the
5316 removed RTL profiling code.
5317 * rtl-profile.c: Remove.
5319 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5321 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5322 magic NULL_RTX comment.
5323 (function_arg): Store entire fp arg to mem if any part should go
5325 (rs6000_arg_partial_bytes): Adjust for above change.
5327 2006-04-11 Roger Sayle <roger@eyesopen.com>
5329 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5330 if it hasn't been initialized by dwarf2out_init.
5332 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5334 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5335 symbolic constants in branch patterns.
5337 2006-04-11 Roger Sayle <roger@eyesopen.com>
5339 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5341 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5343 PR rtl-optimization/27073
5344 * gcse.c (try_replace_reg): Revert last change. Continue to search
5345 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5348 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5350 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5351 aggregate types other than record and union types.
5352 (function_arg): Likewise.
5353 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5355 (function_value): In 64-bit mode, return objects that require it
5358 2006-04-11 Roger Sayle <roger@eyesopen.com>
5360 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5362 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5364 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5366 2006-04-03 Jeff Law <law@redhat.com>
5369 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5370 alias information too.
5372 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5374 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5376 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5379 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5380 (premark_used_types_helper): New.
5381 (premark_used_types): New.
5382 (gen_subprogram_die): Call premark_used_types.
5383 (prune_unused_types_walk): Do not prune perennial dies.
5384 * function.c (used_types_insert): New.
5385 * function.h (struct function): Add used_types_hash field.
5386 (used_types_insert): Add prototype.
5387 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5388 * c-parser.c (c_parser_cast_expression): Save casted types in used
5391 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5394 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5395 rs6000_explicit_options.float_gprs.
5397 2006-04-10 Roger Sayle <roger@eyesopen.com>
5399 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5400 from ix86_expand_vector_init_low_nonzero. Take an additional
5401 one_var argument indicating which element is non-zero. Support
5402 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5403 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5404 with one_var instead of ix86_expand_vector_init_low_nonzero.
5406 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5408 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5409 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5410 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5411 build/genextract.o): Depend on vecprim.h.
5412 * cfglayout.c, df-problems.c, function.c, genextract.c,
5413 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5414 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5418 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5420 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5421 Declare VECs of this type.
5422 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5423 (remove_children): Delete.
5424 (add_dwarf_attr): Use VEC routines.
5425 (add_AT_flag): Update for changes to add_dwarf_attr.
5426 (add_AT_int): Likewise.
5427 (add_AT_unsigned): Likewise.
5428 (add_AT_long_long): Likewise.
5429 (add_AT_vec): Likewise.
5430 (add_AT_string): Likewise.
5431 (add_AT_die_ref): Likewise.
5432 (add_AT_fde_ref): Likewise.
5433 (add_AT_loc): Likewise.
5434 (add_AT_loc_list): Likewise.
5435 (add_AT_addr): Likewise.
5436 (add_AT_lbl_id): Likewise.
5437 (add_AT_lineptr): Likewise.
5438 (add_AT_macptr): Likewise.
5439 (add_AT_offset): Likewise.
5440 (add_AT_range_list): Likewise.
5441 (get_AT): Use VEC_iterate.
5442 (remove_AT): Use VEC_ordered_remove.
5443 (free_die): Fold remove_children into here; have it use VEC_iterate.
5444 (print_die): Use VEC_iterate on attrs.
5445 (reverse_die_lists): Don't reverse attr lists.
5446 (die_checksum): Use VEC_iterate on attrs.
5447 (same_die_p): Likewise.
5448 (output_location_lists): Likewise.
5449 (build_abbrev_table): Likewise.
5450 (size_of_die): Likewise.
5451 (unmark_all_dies): Likewise.
5452 (output_abbrev_section): Likewise.
5453 (output_die): Likewise.
5454 (prune_unused_types_walk_attribs): Likewise.
5456 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5458 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5460 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5463 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5465 2006-04-09 Roger Sayle <roger@eyesopen.com>
5467 * expr.c (store_constructor): Don't bother clearing target if
5468 we're about to assign a vector to it using vec_init_optab.
5470 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5472 * tree-ssa-alias.c (lhs_may_store_to): New function.
5473 (recalculate_used_alone): Handle LHS of calls.
5475 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5479 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5480 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5481 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5482 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5483 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5484 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5485 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5486 stubs. Add ".align 8" directives before all ".dword" directives.
5487 (GTHREAD_USE_WEAK): Revise comment.
5488 (TARGET_ATTRIBUTE_WEAK): Define.
5489 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5490 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5491 * stublib.c: New file.
5496 * pa.md (cbranch patterns): Revise arguments used in calls to
5497 output_cbranch, output_bb and output_bvd. Add long branch length
5499 (fbranch patterns): Handle long branches.
5500 (jump): Revise length check. Revise arguments for output_lbranch call.
5501 Add long branch length attributes.
5502 (decrement_and_branch_until_zero): Add long branch length attributes.
5503 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5504 Likewise. Revise arguments for output_parallel_addb and
5505 output_parallel_movb calls.
5506 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5507 output_parallel_movb and output_parallel_addb): Update prototypes.
5508 * pa.c (output_cbranch): Revise arguments. Correct handling of
5509 nullification in long branches.
5510 (output_lbranch): Add new argument to control extraction of delay
5512 (output_bb): Handle long branches.
5513 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5514 output_parallel_addb): Likewise.
5516 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5518 PR rtl-optimization/27073
5519 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5522 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5524 * tree.h (tree_memory_tag): Add old_used_alone.
5525 (SMT_OLD_USED_ALONE): New macro.
5526 * tree-ssa-alias.c (recalculate_used_alone): Stop
5527 marking things for renaming unnecessarily.
5529 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5531 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5532 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5533 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5534 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5535 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5536 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5537 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5538 spelling convensions.
5539 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5540 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5541 typos. Follow spelling conventions.
5543 2006-04-07 DJ Delorie <dj@redhat.com>
5545 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5546 passed on the stack.
5547 (m32c_init_cumulative_args): When a function returns a structure,
5548 always pass the pointer to that return area on the stack.
5549 (m32c_function_arg_advance): Don't increment the parameter number
5550 if we're processing the returned structure pointer.
5551 (pushm_info): Reverse order of registers.
5553 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5555 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5556 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5557 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5558 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5560 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5561 chrec_fold_multiply): Same.
5562 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5563 force_expr_to_var_cost): Same.
5564 * tree-mudflap.c (mf_xform_derefs_1): Same.
5565 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5567 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5569 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5570 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5573 2006-04-07 Jan Hubicka <jh@suse.cz>
5575 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5577 2006-04-07 Richard Guenther <rguenther@suse.de>
5579 PR tree-optimization/26135
5580 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5581 loads for store copy-prop.
5582 (copy_prop_visit_stmt): Likewise.
5584 2006-04-05 Robert Millan <robertmh@gnu.org>
5586 * config/i386/linux.h: Add a comment to mark macros that are
5587 being overriden in config/k*bsd-gnu.h.
5588 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5590 * config/knetbsd-gnu.h: Ditto.
5592 2006-04-06 Jan Hubicka <jh@suse.cz>
5596 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5599 2006-04-06 Mike Stump <mrs@apple.com>
5601 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5602 for HAVE_nonlocal_goto to be consistent.
5603 (expand_builtin_nonlocal_goto): Likewise.
5604 (expand_builtin_strcmp): Use #ifdef instead of #if
5605 for HAVE_cmpstrnsi to be consistent.
5607 2006-04-05 DJ Delorie <dj@redhat.com>
5609 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5612 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5614 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5615 got-relative addressing for anything but SImode.
5617 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5618 even if the calling function doesn't modify them.
5620 2006-04-05 Richard Guenther <rguenther@suse.de>
5622 PR tree-optimization/26919
5623 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5624 to cgraph_estimate_size_after_inlining.
5626 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5628 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5630 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5632 PR tree-optimization/26996
5633 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5634 VECTOR_TYPE variables.
5636 2006-04-05 Richard Guenther <rguenther@suse.de>
5638 PR tree-optimization/26763
5639 * fold-const.c (fold_comparison): Move folding of
5640 PTR + CST CMP PTR + CST ...
5641 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5643 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5645 * doc/install.texi (Prerequisites): Refine some wording on
5646 bootstrapping and ksh.
5647 Move the version numbers of DejaGnu here from the testing section
5648 and fix casing of names.
5649 Fix markup and clarify wording for autogen requirements.
5650 Refer to GCJ instead of just java.
5651 Refer to SVN instead of CVS.
5652 Describe diffutils as useful instead of necessary.
5653 (Downloading the source): Refer to SVN instead of CVS.
5654 Adjust a link to our web site accordingly.
5655 (Configuration): Fix casing of Bison.
5656 (Building): Refer to SVN instead of CVS.
5657 Fix a sentence on the use of Bison and remove duplicate (and
5658 incorrect) version number of Bison requirement.
5659 Remove one redundant list of packages needed for building.
5660 (Specific): Avoid reference to CVS.
5662 2006-04-04 Eric Christopher <echristo@apple.com>
5664 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5665 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5666 (rs6000_handle_struct_attribute): New.
5667 (rs6000_ms_bitfield_layout_p): Ditto.
5669 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5671 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5672 NULL for dso parameter to atexit_common.
5674 2006-04-04 Eric Christopher <echristo@apple.com>
5676 * config/i386/i386.c (machopic_output_stub): Output \t
5677 between instructions and operands.
5679 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5681 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5682 satisfies_constraint_[IL] to explicit tests on value.
5684 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5686 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5687 set_nb_iterations_in_loop): Use build_int_cst instead of
5689 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5690 build_int_cst instead of convert.
5692 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5694 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5695 new value 2 for incoming.
5696 * function.c (expand_function_start): Call struct_value_rtx
5698 * config/sparc/sparc.md: Comment updated_return.
5699 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5700 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5701 struct return if sparc_std_struct_return and incoming is 2.
5702 (print_operand): Do not adjust return if
5703 sparc_std_struct_return.
5705 2006-04-04 Roger Sayle <roger@eyesopen.com>
5707 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5708 convert in the middle-end.
5709 * expr.c (store_expr, store_constructor, get_inner_reference,
5710 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5712 * tree.c (build_range_type): Likewise.
5714 2006-04-04 Tom Tromey <tromey@redhat.com>
5716 * doc/install.texi (Prerequisites): Mention jar.
5718 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5720 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5723 2006-04-04 Matthias Klose <doko@debian.org>
5725 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5726 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5729 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5731 * doc/extend.texi (Function Attributes): Rewrite visibility
5732 attribute documentation.
5733 * doc/invoke.texi (C++ Dialect Options): Rewrite
5734 -fvisibility-inlines-hidden documentation to describe something
5735 entirely different, although in practise compatible.
5736 (Code Gen Options): Warn about system headers in -fvisibility=
5739 * doc/extend.texi (Other Builtins): Document that
5740 __builtin_nan is a compile-time constant only when its argument
5743 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5745 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5746 trying to remove TRUNCATE check if all bits outside the new mode
5747 are identical to the sign bit.
5749 2006-04-03 Jeff Law <law@redhat.com>
5751 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5752 and operand scanning in some common cases.
5754 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5755 Dale Johannesen <dalej@apple.com>
5758 * regclass.c (struct reg_pref): Update documentation.
5759 (regclass): Set prefclass to NO_REGS if memory is the best option.
5760 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5761 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5762 into account. For non-registers, equate an empty preferred
5763 reload class to a `!' in the constraint; move the if clause to
5764 do so after those that reject the insn.
5765 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5767 (find_dummy_reload): Likewise.
5768 * doc/tm.texi (Register Classes): Document what it means
5769 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5770 * config/i386/i386.c (ix86_preferred_reload_class): Force
5771 using SSE registers (and return NO_REGS for floating-point
5772 constants) if math is done with SSE.
5773 (ix86_preferred_output_reload_class): New.
5774 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5775 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5776 * config/i386/i386.md: Remove # register preferences.
5778 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5781 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5782 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5783 the type of nb_iter.
5784 (instantiate_parameters_1): Convert the operands before calling
5785 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5786 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5788 2006-04-02 Roger Sayle <roger@eyesopen.com>
5790 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5791 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5793 * dojump.c (do_jump): Likewise.
5794 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5795 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5796 gimplify_boolean_expr): Likewise.
5797 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5798 * varasm.c (array_size_for_constructor): Likewise.
5799 * tree-object-size.c (compute_object_offset): Likewise.
5801 2006-04-02 Roger Sayle <roger@eyesopen.com>
5804 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5805 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5807 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5809 PR tree-optimization/26939
5810 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5812 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5814 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5815 at_stmt. Convert the type of operands before calling
5816 build_polynomial_chrec.
5817 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5819 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5820 (instantiate_parameters_1): Convert the type of operands before calling
5821 build_polynomial_chrec.
5822 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5823 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5824 reset_evolution_in_loop): Insert asserts to check the types of the
5826 (chrec_type): Moved...
5827 (eq_evolutions_p): Use operand_equal_p.
5828 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5829 the types of the operands.
5830 (chrec_type): ...here.
5831 * tree-data-ref.c (create_data_ref): Convert the operands before
5832 calling chrec_replace_initial_condition.
5833 (same_access_functions, analyze_subscript_affine_affine,
5834 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5835 (compute_subscript_distance, analyze_ziv_subscript,
5836 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5837 analyze_miv_subscript): Convert the operands before calling
5838 chrec_fold_minus or chrec_fold_plus.
5840 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5842 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5843 the dependence_relations vector.
5844 (compute_data_dependences_for_loop): Adjust call to
5845 compute_all_dependences.
5847 2006-04-01 Roger Sayle <roger@eyesopen.com>
5848 Richard Henderson <rth@redhat.com>
5850 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5851 gimple_boolify on the condition before calling gimplify_expr.
5853 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5855 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5856 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5857 the frame size. Update to use the new macros.
5858 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5859 * config/xtensa/ieee754-df.S: Likewise.
5861 2006-03-31 Richard Henderson <rth@redhat.com>
5863 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5864 (make_edges): ... here. Control fallthru creation with a local
5865 variable. Do not play with fake edges.
5866 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5867 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5870 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5872 * dwarf2.h (DW64_CIE_ID): Define.
5873 * dwarf2out.c (DWARF_CIE_ID): Define.
5874 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5875 length header. Use DWARF_CIE_ID.
5876 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5877 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5879 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5881 * config/sh/linux-atomic.asm: New file.
5882 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5884 2006-03-31 DJ Delorie <dj@redhat.com>
5886 * config/m32c/cond.md: Set condition flags properly throughout.
5887 * config/m32c/minmax.md: Likewise.
5888 * config/m32c/prologue.md: Likewise.
5889 * config/m32c/bitops.md: Likewise.
5890 * config/m32c/muldiv.md: Likewise.
5891 * config/m32c/mov.md: Likewise.
5892 * config/m32c/addsub.md: Likewise.
5893 * config/m32c/m32c.md: Likewise.
5894 * config/m32c/jump.md: Likewise.
5895 * config/m32c/shift.md: Likewise.
5897 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5898 conditionally output the pattern for this.
5899 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5900 (m32c_compare_redundant): New.
5901 (m32c_output_compare): New.
5902 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5904 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5905 dest, not src. Allow other 4-byte modes.
5907 2006-03-30 Denis Chertykov <denisc@overta.ru>
5909 * doc/md.texi: Refer to avr/constraints.md instead of
5912 2006-03-30 Roger Sayle <roger@eyesopen.com>
5914 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5915 signed vs. unsigned comparison failures on some hosts.
5917 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5920 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5921 change to FLOAT_REGS.
5923 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5924 (rs6000_override_options): Use it.
5925 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5926 only for -mabi=spe/no-spe and -mabi=altivec.
5928 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5930 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5933 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5935 * Makefile.in: Rename docdir to gcc_docdir.
5937 2006-03-30 Roger Sayle <roger@eyesopen.com>
5940 * expr.c (emit_group_store): Optimize group stores into a pseudo
5941 register by using a paradoxical subreg to initialize the destination
5942 if the first or last member of the group specifies a "low part".
5944 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5947 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5948 * target.h (struct gcc_target.speculate_insn): Change type of the
5949 second parameter to 'int'.
5950 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5951 the second operand of the DEPS_LIST.
5952 (copy_DEPS_LIST_list): Update reference to the second operand of the
5954 * rtl.h (alloc_DEPS_LIST): Update signature.
5955 * sched-int.h (ds_t): Change typedef to 'int'.
5956 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5958 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5960 * haifa-sched.c (try_ready): Change condition to restore
5961 non-speculative pattern of the instruction.
5962 (process_insn_depend_be_in_spec): Code to keep probability of the
5963 speculative dependence non-decreasing.
5965 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5967 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5968 (single_move_for_movmem): ... this. Also change all uses.
5969 (bfin_expand_strmov): Renamed to...
5970 (bfin_expand_movmem): ... this. Also change all uses.
5971 * config/bfin/bfin.md (movstrsi): Renamed to...
5972 (movstrsi): ...this.
5974 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5976 PR tree-optimization/26830
5978 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5979 (copy_prop_visit_stmt): Remove write-only variable ann.
5980 (init_copy_prop): Check variable loop depth here. Do not simulate
5981 memory-tag and virtual operand PHIs except for store copy prop.
5983 2006-03-30 Richard Guenther <rguenther@suse.de>
5985 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5986 variants with double arguments.
5988 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5990 * genpreds.c (write_tm_constrs_h): Delete variable p.
5991 * genconditions.c (write_header): Add tm-constrs.h to included
5993 * genpeep.c (main): Add toplev.h to included headers.
5994 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5995 (build/genpeep.o): Add toplev.h dependency.
5996 * config/rs6000/constraints.md: Add "W" constraint.
5998 2006-03-29 Roger Sayle <roger@eyesopen.com>
6000 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6001 sizes by correctly testing whether the size fits a host integer.
6002 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6003 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6004 SImode range for the default sizetype and bitsizetype.
6006 2006-03-29 Roger Sayle <roger@eyesopen.com>
6008 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6009 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6010 quickly if the argument is already of the correct type.
6011 Call fold_build1 instead of build1. Tidy up blank lines.
6013 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6015 * genemit.c (main): Add tm-constrs.h to included headers.
6016 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6017 * genpeep.c (main): Add tm-constrs.h to included headers.
6018 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6019 (write_tm_constrs_h): this and write complete file.
6020 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6021 (write_insn_preds_c): Add tm-constrs.h to included headers.
6022 (gen_constrs): New variable.
6023 (parse_option): Parse "-c".
6024 (main): Invoke write_tm_constrs_h.
6025 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6026 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6027 (object_out_file): Add tm-constrs.h dependency.
6028 (insn-emit.o): Same.
6029 (insn-output.o): Same.
6030 (insn-peep.o): Same.
6031 (insn-preds.o): Same.
6032 (insn-recog.o): Same.
6033 (tm-constsr.h): New target.
6034 (s-constrs-h): New target.
6036 * config/rs6000/constraints.md: New file.
6037 * config/rs6000/rs6000.c: Include tm-constrs.h.
6038 (num_insn_constant_wide): Convert to satisfies_constraint.
6039 (rs6000_rtx_costs): Convert to satisfies_constraint.
6040 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6041 (CONST_OK_FOR_LETTER_P): Delete.
6042 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6043 (EXTRA_CONSTRAINT): Delete.
6044 (EXTRA_MEMORY_CONSTRAINT): Delete.
6045 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6046 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6047 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6048 satisfies_constraint.
6050 * config/i386/i386.c: Include tm-constrs.h.
6052 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6054 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6055 * tree-data-ref.c (find_data_references_in_loop,
6056 compute_data_dependences_for_loop): Use pointers to VEC.
6057 (analyze_all_data_dependences): Adjust calls.
6058 * tree-data-ref.h (find_data_references_in_loop,
6059 compute_data_dependences_for_loop): Adjust declarations.
6060 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6061 compute_data_dependences_for_loop.
6063 2006-03-29 Paul Brook <paul@codesourcery.com>
6065 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6068 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6070 PR tree-optimization/26859
6071 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6073 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6074 for the step after fold_convert.
6076 2006-03-29 Paul Brook <paul@codesourcery.com>
6078 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6079 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6081 2006-03-29 Paul Brook <paul@codesourcery.com>
6084 * targhooks.c (default_narrow_bitfield): New fuction.
6085 * targhooks.h (default_narrow_bitfield): add prototype.
6086 * target.h (gcc_target): Add narrow_volatile_bitfield.
6087 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6088 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6089 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6090 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6092 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6094 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6096 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6097 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6098 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6099 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6100 (s390_function_arg_float): Allow SDmode and DDmode values to be
6101 passed in floating point registers.
6102 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6103 check with SCALAR_FLOAT_MODE_P.
6104 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6106 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6108 PR tree-optimization/25985
6109 * tree-ssa-loop-niter.c (number_of_iterations_le,
6110 number_of_iterations_ne): Make comments more precise.
6111 (number_of_iterations_cond): Add only_exit argument. Use the
6112 fact that signed variables do not overflow only when only_exit
6114 (loop_only_exit_p): New.
6115 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6116 number_of_iterations_cond.
6118 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6120 PR tree-optimization/26643
6121 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6124 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6126 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6127 (divsi3_i4_int): Likewise.
6129 2006-03-28 Roger Sayle <roger@eyesopen.com>
6131 * expr.c (emit_group_store): Only create a new pseudo reg if the
6132 quantity it needs to hold isn't already a suitable pseudo.
6134 2006-03-28 Jeff Law <law@redhat.com>
6136 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6137 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6139 2006-03-28 Roger Sayle <roger@eyesopen.com>
6141 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6142 the equivalent ~X & Y, and the symmetry related transformations.
6143 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6144 ~X & Y, and symmetry related transforms.
6146 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6148 Revert my 2006-03-27 patches.
6150 2006-03-28 Roger Sayle <roger@eyesopen.com>
6152 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6153 ~(T1)X, when T1 and T2 are integer types of the same precision
6154 and (T2)X isn't an extension.
6156 2006-03-28 Jeff Law <law@redhat.com>
6158 PR tree-optimization/26796
6159 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6160 need EH edge cleanups rather than purging them immediately.
6161 (eliminate_degenerate_phis): Handle queued EH cleanups.
6163 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6165 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6168 2006-03-27 Roger Sayle <roger@eyesopen.com>
6171 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6172 cast BIT_NOT_EXPR operand to the correct type.
6174 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6176 * tree-loop-linear.c: Don't include varray.h.
6177 (gather_interchange_stats, try_interchange_loops,
6178 linear_transform_loops): Use VEC instead of VARRAY.
6179 * lambda-mat.c: Don't include varray.h.
6180 * tree-chrec.c: Same.
6181 * lambda-trans.c: Same.
6182 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6183 VEC instead of VARRAY.
6184 * tree-vectorizer.h: Idem.
6185 * tree-data-ref.c (dump_data_references,
6186 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6187 initialize_data_dependence_relation, finalize_ddr_dependent,
6188 compute_all_dependences, find_data_references_in_loop,
6189 compute_data_dependences_for_loop, analyze_all_data_dependences,
6190 free_dependence_relation, free_dependence_relations,
6191 free_data_refs): Idem.
6192 * tree-data-ref.h (data_reference_p, subscript_p): New.
6193 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6194 VEC instead of VARRAY.
6195 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6196 (find_data_references_in_loop, compute_data_dependences_for_loop,
6197 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6198 dump_data_dependence_relations, free_dependence_relations,
6199 free_data_refs): Adjust declaration.
6200 (lambda_transform_legal_p): Move declaration here...
6201 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6202 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6203 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6204 vect_analyze_data_refs): Use VEC instead of VARRAY.
6205 * lambda.h (lambda_transform_legal_p): ...from here.
6206 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6207 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6208 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6209 tree-chrec.o): Don't depend on VARRAY_H.
6211 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6213 * rtl.def (Copyright): Update date.
6214 (DEPS_LIST): Change type of the second operand to 'int'.
6215 * target.h (Copyright): Update date.
6216 (struct gcc_target.speculate_insn): Change type of the second parameter
6218 * lists.c (Copyright): Update date.
6219 (alloc_DEPS_LIST): Change signature. Update reference to the second
6220 operand of the DEPS_LIST.
6221 (copy_DEPS_LIST_list): Update reference to the second operand of the
6223 * rtl.h (Copyright): Update date.
6224 (alloc_DEPS_LIST): Update signature.
6225 * sched-int.h (Copyright): Update date.
6226 (ds_t): Change typedef to 'int'.
6227 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6229 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6231 * haifa-sched.c (Copyright): Update date.
6232 (try_ready): Change condition to restore non-speculative pattern
6234 (process_insn_depend_be_in_spec): Code to keep probability of the
6235 speculative dependence non-decreasing.
6237 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6239 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6240 shut up the compiler.
6242 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6244 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6245 to use lib prefix for target.
6246 ($(T)libic_invalidate_array_4-200.a): Likewise.
6247 ($(T)libic_invalidate_array_4a.a): Likewise.
6249 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6250 J"orn Rennecke <joern.rennecke@st.com>
6252 * superh.opt: New file.
6253 * sh.c (boardtype, osruntime): Remove.
6254 * superh.h (SUBTARGET_OPTIONS): Remove.
6255 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6257 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6258 arguments with ^ and/or [].
6260 * config.gcc (sh-*-*): Add quoting to account for quirk of
6262 Replace == with = in enable_incomplete_targets test.
6264 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6265 with MASK_LITTLE_ENDIAN.
6267 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6268 * config/sh/sh.opt: Added to some comments.
6269 * config/sh/superh.h: Removed some chaff.
6271 * config/sh/sh.opt: Add m4-[1234]00* options.
6272 * config/sh/sh.c (sh_handle_option): Likewise.
6273 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6274 (ic_invalidate_array_4-100.o): New rule.
6275 ($(T)libic_invalidate_array_4-100.a): Likewise.
6276 (ic_invalidate_array_4-200.o): Likewise.
6277 ($(T)libic_invalidate_array_4-200.a): Likewise.
6278 (ic_invalidate_array_4a.o): Likewise.
6279 ($(T)libic_invalidate_array_4a.a): Likewise.
6280 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6281 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6283 * config/sh/crt1.asm: Merged in profiling code.
6284 * config/sh/superh.h (STARTFILE_SPEC): Override.
6285 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6286 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6287 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6289 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6290 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6291 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6293 * sh.opt (mpretend-cmove): New option.
6294 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6295 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6296 (movsicc): Add TARGET_PRETEND_CMOVE code.
6298 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6300 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6301 s390_class_max_nregs): New function prototypes.
6302 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6303 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6304 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6305 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6307 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6309 * dwarf2out.c (add_location_or_const_value_attribute): Call
6310 tree_add_const_value_attribute if nothing else works.
6311 (reference_to_unused): New.
6312 (rtl_for_decl_init): Use reference_to_unused to decide whether
6313 to output an initializer.
6315 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6318 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6319 peephole removing spe frob_di_df_2.
6321 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6323 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6324 (subscript_dependence_tester_1): Declared.
6325 (print_dir_vectors, print_dist_vectors): New.
6326 (debug_data_dependence_relation): New.
6327 (dump_data_dependence_relation): Print more details.
6328 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6329 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6330 (save_dist_v, save_dir_v, add_outer_distances,
6331 build_classic_dist_vector_1): New.
6332 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6333 Don't test for lambda_vector_lexico_pos.
6334 (same_access_functions, add_multivariate_self_dist,
6335 add_other_self_distances, dir_from_dist): New.
6336 (build_classic_dir_vector): Replace implementation almost identical to
6337 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6339 (subscript_dependence_tester_1): New.
6340 (subscript_dependence_tester): Handle the lexicographically negative
6341 distance vectors by recomputing the dependence relation.
6342 (compute_affine_dependence): Remove parameter loop_nest_depth.
6343 (compute_self_dependence): Don't call compute_subscript_distance.
6344 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6345 Add a parameter for the loop_nest.
6346 (find_loop_nest_1, find_loop_nest): New.
6347 (compute_data_dependences_for_loop): Compute the loop nest, and give
6348 up if the nest is not well formed.
6349 * tree-data-ref.h (loop_p): New.
6350 (struct data_dependence_relation): Replace size_vect field with
6351 loop_nest, a vec of loops.
6352 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6353 (DDR_LOOP_NEST): New.
6354 (print_dir_vectors, print_dist_vectors,
6355 debug_data_dependence_relation): Declared.
6356 (index_in_loop_nest): New.
6357 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6358 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6361 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6363 * simplify-rtx.c (simplify_relational_operation): Call
6364 simplify_relational_operation_1 even if mode is VOIDmode.
6366 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6368 PR tree-optimization/26804
6369 * tree.h (DECL_CALL_CLOBBERED): New macro.
6370 (tree_decl_common): Add call_clobbered_flag.
6371 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6372 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6373 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6374 (mark_non_addressable): Ditto.
6375 * tree-ssa.c (verify_call_clobbered): New function.
6376 (verify_alias_info): Use it.
6377 * tree-pass.h (pass_reset_cc_flags): New prototype.
6378 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6379 (reset_cc_flags): New function.
6380 * passes.c (init_optimization_passes): Call reset_cc_flags after
6381 initializing referenced_vars.
6383 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6384 Roger Sayle <roger@eyesopen.com>
6387 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6388 to 1.0 for non-real operands. Implement A / A optimization for
6391 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6393 * config/i386/i386.c (size_cost): Correct the comment for
6394 cost of storing fp registers.
6395 (i386_cost): Likewise.
6396 (i486_cost): Likewise.
6397 (pentium_cost): Likewise.
6398 (pentiumpro_cost): Likewise.
6399 (k6_cost): Likewise.
6400 (athlon_cost): Likewise.
6401 (k8_cost): Likewise.
6402 (pentium4_cost): Likewise.
6403 (nocona_cost): Likewise.
6404 (generic64_cost): Likewise.
6405 (generic32_cost): Likewise.
6407 2006-03-24 Denis Chertykov <denisc@overta.ru>
6409 * config/avr/avr-protos.h (extra_constraint): Delete.
6410 (extra_constraint_Q): New declaration.
6411 * config/avr/constraints.md: New file.
6412 * config/avr/avr.md: Include it.
6413 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6414 (TMP_REGNO, ZERO_REGNO): Likewise.
6415 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6416 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6417 (extra_constraint): Delete.
6418 (extra_constraint_Q): Test for memory constraint 'Q'.
6419 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6420 (REG_CLASS_FROM_LETTER): Delete.
6421 (CONST_OK_FOR_LETTER_P): Delete.
6422 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6423 (EXTRA_CONSTRAINT): Delete.
6424 (TMP_REGNO): Delete.
6425 (ZERO_REGNO): Delete.
6427 2006-03-24 Jeff Law <law@redhat.com>
6429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6430 directly. Call mark_new_vars_to_rename slightly earlier.
6432 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6434 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6436 (gen_compile_unit_die): Use new language types for Objective-C and
6438 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6439 DW_LANG_C_plus_plus.
6442 * config/t-darwin (crt3.o): Work around bug 26840.
6443 * config/darwin-crt3.c: Rewrite.
6444 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6446 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6448 * doc/invoke.texi: Document -femit-class-debug-always
6449 * common.opt: Add -femit-class-debug-always.
6451 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6453 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6454 index and base register.
6455 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6456 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6457 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6458 REGNO_OK_FOR_INDEX_P.
6459 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6461 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6462 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6463 REG_OK_FOR_BASE_P): Definitions removed.
6465 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6468 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6469 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6470 set yet or weren't marked as local yet.
6472 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6474 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6477 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6479 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6480 (rs6000_legitimate_small_data_p): Delete.
6481 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6482 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6483 and make static. Add forward declaration. Update uses.
6484 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6485 of offsettable_memref_p.
6486 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6487 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6489 2006-03-24 Jeff Law <law@redhat.com>
6491 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6492 around bug in immediate-use iterator.
6494 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6497 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6498 or __LITTLE_ENDIAN__.
6500 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6502 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6503 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6504 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6505 * config/sh/sh.opt (mdiv=): Amend description.
6506 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6507 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6508 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6509 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6510 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6511 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6512 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6513 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6514 TARGET_DIVIDE_CALL_FP.
6516 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6518 * haifa-sched.c (choose_ready): Fix type of the local variable.
6519 Move local variables. Add comment.
6520 (check_reg_live): Change signature. Make callable from debugger.
6521 * sched-int.h (check_reg_live): Update signature.
6522 * sched-ebb.c (check_reg_live): Update parameters.
6523 * sched-rgn.c (check_reg_live): Ditto.
6524 (region_head_or_leaf_p): Check pointer before dereferencing.
6525 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6526 before reload on optimization levels below 1.
6528 2006-03-23 Richard Henderson <rth@redhat.com>
6530 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6534 * config/alpha/predicates.md (local_symbolic_operand): Reject
6537 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6540 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6541 expressions which have overflowed constants.
6543 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6545 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6547 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6549 * cfgloopmanip.c (create_loop_notes): Removed.
6550 * final.c (final_scan_insn): Do not handle loop notes.
6551 * jump.c (squeeze_notes): Ditto.
6552 * cfglayout.c (skip_insns_after_block,
6553 duplicate_insn_chain): Ditto.
6554 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6556 * cfgloop.h (create_loop_notes): Declaration removed.
6558 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6560 * varasm.c (output_constant_pool): Restore fnname and fndecl
6562 (assemble_start_function): Adjust call accordingly.
6563 (assemble_end_function): Likewise.
6565 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6568 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6571 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6573 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6576 * system.h (ICE_EXIT_CODE): New macro.
6577 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6578 (diagnostic_action_after_output): Likewise.
6579 * gcc.c (fatal_ice): New function.
6580 (execute): Use it instead of fatal.
6581 (fancy_abort): Likewise.
6582 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6584 2006-03-22 Jeff Law <law@redhat.com>
6586 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6587 iv_analyze_result returning false.
6589 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6591 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6593 2006-03-22 Richard Henderson <rth@redhat.com>
6596 * except.c (duplicate_eh_regions_0): New.
6597 (duplicate_eh_region_1): Duplicate the children of the node as
6598 well as the node itself. Link them up properly.
6599 (duplicate_eh_region_2): Merge into ...
6600 (duplicate_eh_regions): ... here. Take copy_region argument, and
6601 copy only a sub-tree if asked. Simplify copying and fixup.
6602 (eh_region_outer_p): New.
6603 * except.h (duplicate_eh_regions): Update decl.
6604 (eh_region_outer_p): Declare.
6605 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6606 (lower_omp_master): Likewise.
6607 (lower_omp_ordered): Likewise.
6608 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6609 (move_stmt_r): Use it to remap labels. Handle recursion vs
6610 remap_decls_p properly.
6611 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6612 (find_outermost_region_in_block): New.
6613 (new_label_mapper): New.
6614 (move_sese_region_to_fn): Copy eh information to the new function
6616 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6618 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6621 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6623 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6624 into shared libraries.
6626 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6628 * doc/md.texi: Refer to i386/constraints.md instead of
6630 * config/i386/constraints.md: New file, extracted from...
6631 * config/i386/predicates.md: ...here.
6632 * config/i386/i386.md: Include constraints.md.
6634 2006-03-21 Jason Merrill <jason@redhat.com>
6636 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6639 * expr.c (init_block_move_fn): Force default visibility.
6640 (init_block_clear_fn): Likewise.
6641 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6642 * targhooks.c (default_external_stack_protect_fail): Likewise.
6644 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6646 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6647 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6648 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6649 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6650 (loadgp): Use mips_current_loadgp_style.
6651 (loadgp_noshared): New pattern.
6652 (sibcall_internal): Use MIPS_CALL.
6653 (sibcall_value_internal): Likewise.
6654 (sibcall_value_multiple_internal): Likewise.
6655 (call_internal): Likewise.
6656 (call_value_internal): Likewise.
6657 (call_value_multiple_internal): Likewise.
6658 (call_split): Use MIPS_CALL and add an 'S' constraint.
6659 (call_value_split): Likewise.
6660 (call_value_multiple_split): Likewise.
6661 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6662 (-mshared): New option.
6663 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6664 (mips_current_loadgp_style): Declare.
6665 * config/mips/mips.c (mips_classify_symbol): Avoid using
6666 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6667 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6668 TARGET_ABSOLUTE_ABICALLS.
6669 (override_options): Adjust comments. Improve the warning that is
6670 issued when -mabicalls and -G are used together.
6671 (mips_file_start): Remove comment.
6672 (mips_current_loadgp_style): New function.
6673 (mips_gnu_local_gp): New variable.
6674 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6676 (mips_output_function_prologue): Use mips_current_laodgp_style.
6677 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6678 the cprestore instruction.
6679 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6680 live for TARGET_ABSOLUTE_ABICALLS.
6681 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6682 (ASM_SPEC): Pass down -mshared and -mno-shared.
6683 (MIPS_CALL): New macro.
6684 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6686 * doc/invoke.texi (-mabicalls): Update documentation.
6687 (-mshared): Document.
6689 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6691 * config/ia64/unwind-hpux.c: New file.
6692 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6694 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6697 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6699 2006-03-21 Jeff Law <law@redhat.com>
6701 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6702 type conversions of a VR_VARYING source to a wider type.
6704 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6706 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6707 tm_file on Solaris 10 and later.
6708 (sparc64-*-solaris2*): Likewise.
6709 (sparc-*-solaris2*): Likewise.
6710 * config/sol26.h: Rename to config/sol2-6.h.
6711 * config/sol2-10.h: New file.
6713 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6716 * tree-ssa-pre.c (create_component_ref_by_pieces):
6719 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6722 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6723 return it immediately.
6725 2006-03-21 Michael Matz <matz@suse.de>
6727 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6729 (remove_arc, add_arc): Update num_out_arcs member.
6730 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6732 (cache_presence): New function.
6733 (compare_states_for_equiv): New function.
6734 (state_is_differed): Don't take number of outargs, adjust callers.
6735 Use new invariant for speeding up.
6736 (init_equiv_class): Create initial classes based on sorted
6738 (partition_equiv_class): Don't track out_arcs_num.
6739 (evaluate_equiv_classes): Call cache_presence on all states and
6742 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6744 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6745 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6746 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6747 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6749 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6750 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6751 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6752 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6753 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6755 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6756 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6757 (REGNO_REG_CLASS): ARGP is in PREGS.
6758 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6760 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6761 to deal with those addresses.
6762 * addresses.h: New file.
6763 * caller-save.c: Include "addresses.h".
6764 (init_caller_save): Use new base_reg_class function.
6765 * rtl-factoring.c: Include "addresses.h".
6766 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6767 * recog.c: Include "addresses.h".
6768 (preprocess_constraints): Use new base_reg_class function.
6769 * regrename.c: Include "addresses.h".
6770 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6771 functions. Keep track of a new var INDEX_CODE to compute valid
6773 (replace_oldest_value_addr): Likewise.
6774 (replace_oldest_value_mem): Use base_reg_class.
6775 * reload.c: Include "addresses.h".
6776 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6777 (find_reloads): Use new base_reg_class function.
6778 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6779 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6780 all callers and prototype changed.
6781 * reload1.c: Include "addresses.h".
6782 (maybe_fix_stack_asms): Use base_reg_class.
6783 * regclass.c: Include "addresses.h".
6784 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6785 (init_reg_autoinc): Use new base_reg_class function.
6786 (record_reg_classes): Likewise.
6787 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6788 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6789 Use new args to compute necessary class.
6791 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6792 regrename.o, rtl-factoring.o): Update dependencies.
6793 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6794 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6795 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6796 REG_OK_FOR_INDEX_P): Delete documentation.
6798 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6800 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6801 from V7 to V9 for Solaris 7 and above.
6803 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6805 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6806 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6807 argument pointers may not alias any other storage.
6808 * common.opt: Define option -fargument-noalias-anything.
6809 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6810 alias semantics is specified by flag_argument_noalias > 2.
6812 2006-03-20 Jeff Law <law@redhat.com>
6814 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6815 (pass_phi_only_cprop): Declare.
6816 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6818 * tree-ssa-dom.c (degenerate_phi_result): New function.
6819 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6820 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6821 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6822 (eliminate_degenerate_phis): Likewise.
6823 (pass_phi_only_cprop): New pass descriptor.
6824 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6825 support code. Callers updated.
6826 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6827 (store_copy_prop): Likewise.
6828 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6830 2006-03-20 Jason Merrill <jason@redhat.com>
6833 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6834 (push_visibility, pop_visibility): Likewise.
6835 * c-pragma.h: Declare them.
6837 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6839 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6841 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6842 parameter and use get_ebb_head_tail.
6843 (sh_md_init_global): Adjust uses of find_regmode_weight.
6845 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6847 * function.h (struct function) <x_tail_recursion_reentry>:
6848 Rename to x_stack_check_probe_note.
6849 (tail_recursion_reentry): Rename to stack_check_probe_note.
6850 * function.c: Replace tail_recursion_reentry with
6851 stack_check_probe_note everywhere.
6852 (expand_function_start): Only emit a note for
6853 stack_check_probe_note with -fstack-protect.
6854 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6856 * emit-rtl.c (remove_unnecessary_notes): Remove.
6857 (pass_remove_unnecessary_notes): Remove.
6858 * rtl.h (remove_unnecessary_notes): Remove prototype.
6859 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6860 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6861 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6863 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6866 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6867 (valid_in_set): Handle ARRAY_REF.
6868 Change "if min_variant or VH" to asserts.
6869 (create_component_ref_by_pieces): Handle ARRAY_REF.
6870 (create_expression_by_pieces): Likewise.
6871 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6873 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6875 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6876 is operand of switch, not str[0].
6878 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6880 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6881 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6883 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6885 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6886 end of insn_extra_address_constraint declaration.
6888 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6890 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6891 (no-sum-in-toc): Same.
6892 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6894 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6895 NO_FP_IN_TOC for -fPIC instead of mask.
6897 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6898 (BOOT_LDFLAGS): Delete.
6900 * config/rs6000/t-aix52: Same.
6902 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6903 (stmsi[345678]_power): New.
6905 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6907 * config/ia64/ia64.opt: Add empty line to end of file.
6909 2006-03-17 Richard Guenther <rguenther@suse.de>
6912 * builtins.c (get_pointer_alignment): For component style references
6913 adjust alignment to the component type alignment. Make sure
6914 to adjust alignment for component access of constants.
6916 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6918 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6921 2006-03-17 Paul Brook <paul@codesourcery.com>
6923 * doc/install.texi: Docuemnt --with-mode.
6924 * config.gcc: Add --with-mode for arm*-*-*.
6925 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6927 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6929 * sh.c (max_labelno_before_reorg): New variable.
6930 (sh_reorg): Initialize it.
6931 (find_barrier): Check max_labelno_before_reorg before using
6932 label_to_alignment. Take length of explicit alignment insns
6933 into account. When seeing a UNSPECV_CONST_END, return it.
6935 * sh.c (fixup_mova): Set mode of affected label to QImode.
6936 (untangle_mova): New function.
6937 (find_barrier): Use it. Check mode of label before decrementing
6939 (sh_reorg): Likewise.
6940 Set mode of all insns back to VOIDmode.
6942 * sh.c (MOVA_LABELREF): New macro.
6943 (mova_p, fixup_mova, sh_reorg): Use it.
6944 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6945 ADDR_DIFF_VEC matches mova.
6947 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6949 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6950 with ATTRIBUTE_UNUSED.
6952 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6954 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6955 pointer, instead of assuming it is possible to derive the
6956 correct args size from a call insn.
6958 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6960 * rtl.h (CONST_INT_P): Define.
6961 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6962 instead of GET_CODE(x) == CONST_INT.
6963 (vax_rtx_costs): Likewise.
6964 (vax_output_int_move): Likewise.
6965 (vax_output_int_add): Likewise.
6966 (legitimate_constant_address_p): Likewise.
6967 (index_term_p): Likewise.
6968 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6969 * config/vax/vax.md (and<mode>3): Likewise.
6970 (ashrsi3): Likewise.
6972 (movstricthi): Likewise.
6973 (movstrictqi): Likewise.
6974 (rotrsi3): Likewise.
6975 (five unnamed insns): Likewise.
6977 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6979 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6980 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6981 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6982 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6983 Pass to ASM_OUTPUT_DWARF_OFFSET.
6984 * dwarf2out.c (debug_frame_section): New.
6985 (output_call_frame_info): Use debug_frame_section. Pass it to
6986 dw2_asm_output_offset.
6987 (output_die): Pass appropriate section to dw2_asm_output_offset.
6988 (output_compilation_unit_header): Likewise.
6989 (output_pubnames): Likewise.
6990 (output_aranges): Likewise.
6991 (enum dw_val_class): Break dw_val_class_lbl_offset into
6992 dw_val_class_lineptr and dw_val_class_macptr.
6993 (add_AT_lbl_offset): Delete.
6994 (add_AT_lineptr): New.
6995 (add_AT_macptr): New.
6996 (AT_lbl): Expect a lineptr or macptr.
6997 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6998 (attr_checksum): Likewise.
6999 (same_dw_val_p): Likewise.
7000 (size_of_die): Likewise.
7001 (value_format): Likewise.
7002 (output_die): Likewise.
7003 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7005 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7006 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7007 * config/darwin-protos.h (darwin_file_start): New.
7008 (darwin_asm_output_dwarf_offset): New.
7009 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7010 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7012 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7013 if not EH section; simplify.
7014 (darwin_file_start): New.
7015 (darwin_asm_output_dwarf_offset): New.
7016 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7018 (DEBUG_INFO_SECTION): Likewise.
7019 (DEBUG_ABBREV_SECTION): Likewise.
7020 (DEBUG_ARANGES_SECTION): Likewise.
7021 (DEBUG_MACINFO_SECTION): Likewise.
7022 (DEBUG_LINE_SECTION): Likewise.
7023 (DEBUG_LOC_SECTION): Likewise.
7024 (DEBUG_PUBNAMES_SECTION): Likewise.
7025 (DEBUG_STR_SECTION): Likewise.
7026 (DEBUG_RANGES_SECTION): Likewise.
7027 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7028 (ASM_OUTPUT_DWARF_OFFSET): New.
7030 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7032 * config.gcc (tm_defines): Always add to previous value rather
7035 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7037 * config/mips/predicates.md (splittable_const_int_operand): New,
7038 split from move_operand.
7039 (splittable_symbolic_operand): New.
7040 (move_operand): Add commentary. Use splittable_const_int_operand.
7041 Inline mips_atomic_symbolic_constant_p.
7042 * config/mips/mips.md: Add combine splitters for handling moves
7043 of splittable_const_int_operands and splittable_symbolic_operands.
7044 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7045 (mips_split_symbol): Declare.
7046 (mips_move_integer): Declare.
7047 * config/mips/mips.c (mips_split_p): Make global.
7048 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7049 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7050 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7051 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7052 (mips_offset_within_object_p): Handle block symbols.
7053 (mips_atomic_symbolic_constant_p): Delete.
7054 (mips_cannot_force_const_mem): Return false for constants that
7055 mips_legitimize_move can handle.
7056 (mips_use_blocks_for_constant_p): New function.
7057 (mips_split_symbol): Make global.
7058 (mips_move_integer): Likewise. Add a temporary register argument.
7059 (mips_legitimize_const_move): Use splittable_const_int_operand and
7060 splittable_symbolic_operand.
7061 (mips_use_anchors_for_symbol_p): New function.
7062 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7063 (mips_split_p): Declare.
7065 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7067 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7068 (mips*-*-linux*): Likewise.
7070 2006-03-16 Roger Sayle <roger@eyesopen.com>
7071 Daniel Speyer <dspeyer@wam.umd.edu>
7074 * tree-dump.c (dump_real): New function.
7075 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7076 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7077 (tree-dump.o): Add $(REAL_H) to the dependencies.
7079 2006-03-16 Roger Sayle <roger@eyesopen.com>
7082 * real.c (real_from_string): If the mantissa is zero, don't bother
7083 parsing the exponent as the result should always be zero.
7085 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7087 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7089 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7091 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7092 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7093 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7094 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7095 ia64_sched_finish_global): New static functions to implement
7096 hooks from gcc_target.sched.
7097 (spec_check_no, max_uid, pending_data_specs): New static variables.
7098 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7099 ia64_spec_check_src_p): New static functions.
7100 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7101 (TARGET_SCHED_ADJUST_COST): Removed.
7102 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7103 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7104 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7105 TARGET_SCHED_GEN_CHECK,
7106 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7107 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7108 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7109 Fixed to handle speculation checks.
7110 (rtx_needs_barrier): Fixed to handle speculative loads and
7112 (ia64_variable_issue): Added code to count speculative loads and their
7114 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7116 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7118 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7120 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7121 (ia64_reorg): Reset stops_p to NULL after it is freed.
7122 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7123 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7124 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7126 (data_speculative, control_speculative, check_load): New attributes.
7127 (mov<mode>_advanced, mov<mode>_speculative,
7128 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7129 zero_extend<mode>di2_speculative,
7130 zero_extend<mode>di2_speculative_advanced): New patterns for
7131 data and control speculative loads.
7132 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7134 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7135 New pattern for data and control speculation checks.
7136 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7137 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7138 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7139 Auxiliary definitions for the patterns.
7140 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7141 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7143 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7145 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7146 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7147 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7148 New resource constraints.
7149 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7151 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7152 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7153 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7154 msched-in-control-spec, msched-ldc, msched-control-ldc,
7155 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7156 msched-prefer-non-control-spec-insns,
7157 msched-count-spec-in-critical-path): New flags to tune speculative
7159 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7160 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7161 msched-in-control-spec, msched-ldc, msched-control-ldc,
7162 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7163 msched-prefer-non-control-spec-insns,
7164 msched-count-spec-in-critical-path): Document new flags.
7166 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7168 * target.h (struct spec_info_def): New opaque declaration.
7169 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7170 speculate_insn, needs_block_p, gen_check,
7171 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7172 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7173 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7174 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7175 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7176 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7178 (TARGET_SCHED): Use new macros.
7179 * rtl.h (copy_DEPS_LIST_list): New prototype.
7180 * sched-int.h (struct sched_info): Change signature of new_ready field,
7181 adjust all initializations. New fields: add_remove_insn,
7182 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7183 region_head_or_leaf_p.
7184 (struct spec_info_def): New structure declaration.
7185 (spec_info_t): New typedef.
7186 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7187 recovery_block, orig_pat.
7188 (glat_start, glat_end): New variables declaraions.
7189 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7191 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7192 DETACH_LIFE_INFO, USE_GLAT.
7193 (enum SPEC_SCHED_FLAGS): New enumeration.
7194 (NOTE_NOTE_BB_P): New macro.
7195 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7196 attach_life_info, debug_spec_status, check_reg_live): New functions.
7197 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7198 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7200 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7201 * ddg.c (get_block_head_tail): Adjust all uses.
7202 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7203 (sms_sched_info): Initialize new fields.
7204 (contributes_to_priority): Removed.
7205 * haifa-sched.c (params.h): New include.
7206 (get_block_head_tail): Adjust all uses.
7207 (ISSUE_POINTS): New macro.
7208 (glat_start, glat_end): New global variables.
7209 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7210 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7211 old_last_basic_block, before_recovery, current_sched_info_var,
7212 rgn_n_insns, luid): New static variables.
7213 (insn_cost1): New function. Move logic from insn_cost to here.
7214 (find_insn_reg_weight1): New function. Move logic from
7215 find_insn_reg_weight to here.
7216 (reemit_notes, move_insn, max_issue): Change signature.
7217 (move_insn1): Removed.
7218 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7219 extend_bb): New static functions to support extension of scheduler's
7221 (generate_recovery_code, process_insn_depend_be_in_spec,
7222 begin_speculative_block, add_to_speculative_block,
7223 init_before_recovery, create_recovery_block, create_check_block_twin,
7224 fix_recovery_deps): New static functions to support
7225 generation of recovery code.
7226 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7227 restore_bb_notes, move_block_after_check, move_succs): New static
7228 functions to support ebb scheduling.
7229 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7230 functions to support handling of register live information.
7231 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7232 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7233 add_jump_dependencies): New static functions.
7234 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7235 consistancy checking.
7236 (debug_spec_status): New function to call from debugger.
7237 (priority): Added code to handle speculation checks.
7238 (rank_for_schedule): Added code to distinguish speculative instructions.
7239 (schedule_insn): Added code to handle speculation checks.
7240 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7241 Fixed to handle ebbs.
7242 (move_insn): Added code to handle ebb scheduling.
7243 (max_issue): Added code to use ISSUE_POINTS of instructions.
7244 (choose_ready): Added code to choose between speculative and
7245 non-speculative instructions.
7246 (schedule_block): Added code to handle ebb scheduling and scheduling of
7247 speculative instructions.
7248 (sched_init): Initialize new variables.
7249 (sched_finish): Free new variables. Print statistics.
7250 (try_ready): Added code to handle speculative instructions.
7251 * lists.c (copy_DEPS_LIST_list): New function.
7252 * sched-deps.c (extend_dependency_caches): New function. Move logic
7253 from create_dependency_caches to here.
7254 (get_dep_weak, ds_merge): Make global.
7255 * genattr.c (main): Code to output prototype for
7256 dfa_clear_single_insn_cache.
7257 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7258 (output_dfa_clean_insn_cache_func): Code to output
7259 dfa_clear_single_insn_cache function.
7260 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7262 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7264 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7265 New static variables.
7266 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7267 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7269 (ebb_sched_info): Initialize new fields.
7270 (get_block_head_tail): Adjust all uses.
7271 (compute_jump_reg_dependencies): Fixed to use glat_start.
7272 (schedule_ebb): Code to remove unreachable last block.
7273 (schedule_ebbs): Added code to update register live information.
7274 * sched-rgn.c (region_sched_info): Initialize new fields.
7275 (get_block_head_tail): Adjust all uses.
7276 (last_was_jump): Removed. Adjust users.
7277 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7278 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7279 Implement new hooks.
7280 (check_dead_notes1): New static function.
7281 (struct region): New fields: dont_calc_deps, has_real_ebb.
7282 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7283 (BB_TO_BLOCK): Fixed to handle EBBs.
7284 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7285 (ebb_head): New static variable.
7286 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7287 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7289 (compute_dom_prob_ps): New assertion.
7290 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7291 global_live_at_start.
7292 (init_ready_list): New assertions.
7293 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7294 (new_ready): Add support for BEGIN_CONTROL speculation.
7295 (schedule_insns): Fixed code that updates register live information
7297 (schedule_region): Fixed to handle EBBs.
7298 (init_regions): Use extend_regions and check_dead_notes1.
7299 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7300 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7301 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7302 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7303 TARGET_SCHED_GEN_CHECK,
7304 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7305 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7306 * doc/invoke.texi (max-sched-insn-conflict-delay,
7307 sched-spec-prob-cutoff): Document.
7309 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7311 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7312 inter_tick, queue_index.
7313 (struct sched_info): Change signature of init_ready_list field.
7314 Adjust all initializations.
7315 (RESOLVED_DEPS): New access macro.
7316 (ready_add): Remove prototype.
7317 (try_ready): Add prototype.
7318 * sched-rgn.c (init_ready_list): Use try_ready.
7319 (schedule_region): Initialize
7320 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7321 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7322 (init_ready_list): Use try_ready.
7323 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7324 * lists.c (remove_list_elem): Remove `static'.
7325 (remove_free_INSN_LIST_elem): New function.
7326 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7327 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7328 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7330 (readyp): New variable.
7331 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7332 change_queue_index, resolve_dep): New static functions.
7333 (try_ready): New function. Adjust callers in sched-rgn.c and
7334 sched-ebb.c to use it instead of ready_add.
7335 (clock_var): Move at the begining of file.
7336 (rank_for_schedule): Fix typo.
7337 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7338 (ready_lastpos): Enforce assertion.
7339 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7341 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7342 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7343 (queue_to_ready): Use free_INSN_LIST_list.
7344 (early_queue_to_ready): Fix typo.
7345 (schedule_block): Init readyp. Move init_ready_list call after the
7346 initialization of clock_var. Fix error in rejecting insn by
7347 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7348 that previously corrected INSN_TICKs. Add code for handling
7350 (set_priorities): Fix typo.
7351 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7352 Clarify comment and code that keeps current_sched_info->next_tail
7355 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7357 * sched-rgn.c (extend_rgns): New static function.
7358 (find_rgns): Use it.
7359 (gather_region_statistics, print_region_statistics): New static
7361 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7362 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7364 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7365 Andrey Belevantsev <abel@ispras.ru>
7367 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7368 * lists.c (unused_deps_list): New variable.
7369 (free_list): Add assertions to verify the proper distinguishing
7370 between INSN_LISTs and DEPS_LISTs.
7371 (find_list_elem, remove_list_elem, remove_list_node): New static
7373 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7374 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7375 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7376 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7378 (free_INSN_LIST_node): Likewise.
7379 * modulo-sched.c (current_sched_info): Initialize flags field.
7380 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7381 * rtl.def (DEPS_LIST): Define.
7382 * rtl.h: Declare new functions from lists.c.
7383 * sched-deps.c (spec_dependency_cache): New static variable.
7384 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7385 (add_dependence): Change return type to void. Move the logic to ...
7386 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7387 (delete_all_dependences): Add comment about forward_dependency_cache.
7388 Handle spec_dependency_cache. Handle DEPS_LISTs.
7389 (fixup_sched_groups): Clarify the change of priority of output
7390 and anti dependencies.
7391 (sched_analyze_2): Adjust add_dependence calls to create data
7392 speculative dependence.
7393 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7394 Adjust all callers. Handle DEPS_LISTS.
7395 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7396 presence of speculation.
7397 (init_dependency_caches, free_dependency_caches):
7398 Handle spec_dependency_cache.
7399 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7400 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7401 New static functions.
7402 (add_or_update_back_dep, add_or_update_back_forw_dep,
7403 add_back_forw_dep, delete_back_forw_dep): New functions.
7404 * sched-int.h (ds_t, dw_t): New typedefs.
7405 (struct sched_info): Add new field flags.
7406 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7407 Prototype new sched-deps.c functions.
7408 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7409 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7410 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7411 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7412 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7413 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7415 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7417 * sched-rgn.c (current_sched_info): Initialize flags field.
7418 (schedule_insns): Initialize current_sched_info before the sched_init
7420 * sched-ebb.c (current_sched_info): Initialize flags field.
7421 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7422 Call add_or_update_back_dep instead of add_dependence.
7423 Create control speculative dependencies.
7424 (schedule_insns): Initialize current_sched_info before the sched_init
7427 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7429 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7431 (sh_fallback_frame_state): Likewise.
7433 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7435 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7436 Do switch on default_use_cxa_atexit.
7437 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7438 * config/darwin-crt3.o: New.
7439 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7440 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7441 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7443 * config/rs6000/t-darwin: Move crt2.o building to here.
7444 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7445 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7448 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7450 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7451 from '! xxx' to '!xxx' for coding-style conformance.
7452 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7453 (EXTRA_CONSTRAINT): Likewise.
7454 * config/vax/vax.md (four unnamed insns): Likewise.
7456 2006-03-15 Paul Brook <paul@codesourcery.com>
7458 * config/arm/arm.c (minipool_pad): New.
7459 (add_minipool_forward_ref): Include pool alignment padding in address
7461 (push_minipool_fix): Set minipool_pad.
7462 (minipool_pad): Ditto.
7464 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7466 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7467 instead of GET_CODE() == MEM and REG_P() instead of
7469 (print_operand_address): Likewise.
7470 (vax_address_cost): Likewise.
7471 (vax_rtx_costs): Likewise.
7472 (vax_notice_update_cc): Likewise.
7473 (vax_output_int_add): Likewise.
7474 (INDEX_REGISTER_P): Likewise.
7475 (BASE_REGISTER_P): Likewise.
7476 (nonindexed_address_p): Likewise.
7477 (vax_mode_dependent_address_p): Likewise.
7478 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7479 (PRINT_OPERAND): Likewise.
7480 * config/vax/vax.md (ashlsi3): Likewise.
7481 (ashlsi3): Likewise.
7482 (some more unnamed insns): Likewise.
7484 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7486 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7487 iterator-style macro.
7488 (mark_control_dependent_edges_necessary): Update the use of
7489 EXECUTE_IF_CONTROL_DEPENDENT.
7491 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7493 * config/sh/predicates.md (cache_address_operand): Special.
7494 (ua_address_operand): Likewise.
7496 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7498 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7500 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7502 2006-03-15 Andreas Schwab <schwab@suse.de>
7504 * gensupport.c (identify_predicable_attribute): Don't free p_false
7505 when it is still in use.
7507 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7509 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7510 the default setting here.
7512 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7514 * tree-pass.h (pass_cfg): Remove.
7515 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7516 * passes.c (pass_cfg): Don't run it.
7518 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7520 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7521 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7523 (stack_regs_mentioned): Update the uses of
7524 stack_regs_mentioned_data. Don't access the array beyond its
7526 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7527 Don't include gt-reg-stack.h.
7529 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7530 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7532 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7535 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7538 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7540 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7542 2006-03-14 Richard Guenther <rguenther@suse.de>
7544 PR tree-optimization/26672
7545 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7548 2006-03-14 Richard Guenther <rguenther@suse.de>
7550 PR tree-optimization/26667
7551 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7552 node for the callees. Always allow inlining if it will shrink
7555 2006-03-14 Richard Guenther <rguenther@suse.de>
7558 * builtins.c (get_pointer_alignment): Prefer alignment
7559 information from decls over that from types.
7561 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7564 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7566 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7568 * config/rs6000/rs6000.opt (mdlmzb): New option.
7569 (msched-prolog, msched-epilog): Use Var not Mask.
7570 * doc/invoke.texi (-mdlmzb): Document.
7571 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7573 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7574 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7576 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7578 PR rtl-optimization/25739
7579 * bt-load.c (augment_live_range): Free tos pointer.
7581 * gensupport.c (identify_predicable_attribute): Free
7583 * gcov.c (create_file_names): Free name pointer.
7585 2006-03-13 Roger Sayle <roger@eyesopen.com>
7588 * stmt.c (emit_case_nodes): Handle the case where the index is a
7589 CONST_INT, where the comparison mode is specified by the index type.
7591 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7593 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7596 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7598 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7599 (*branch_fp_inverted): Likewise.
7601 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7604 * omp-low.c (expand_omp_for_generic): Mark istart0
7605 and iend0 as addressable.
7607 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7609 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7611 2006-03-13 Jeff Law <law@redhat.com>
7613 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7614 virtual operands are interesting.
7615 (vrp_visit_stmt): Corresponding changes.
7617 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7619 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7621 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7622 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7623 * config/bfin/crti.S: Use it instead of __PIC__.
7624 * config/bfin/crtn.S: Likewise.
7626 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7627 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7629 Lose 'G' modifier for call operand.
7630 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7631 recognize 'G' modifier.
7633 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7636 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7637 * stmt.c (expand_case): Likewise.
7639 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7641 PR rtl-optimization/26254
7642 * loop-invariant.c (seq_insns_valid_p): New function.
7643 (move_invariant_reg): Only emit new code if it is valid.
7645 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7647 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7649 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7650 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7651 (commit_one_edge_insertion): Do not look for loop notes.
7653 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7655 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7656 flag_test_coverage out of loop.
7658 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7660 * final.c (shorten_branches): Remove outdated comment, and turn
7661 the if branch that guards it to continue.
7663 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7665 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7666 * cfgloop.h (struct loop): Remove unused fields.
7668 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7670 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7671 (-dL, -fdump-rtl-loop2): Update the dump file names
7673 * doc/invoke.texi: Update dump file names.
7675 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7677 * predict.c (estimate_probability): Remove.
7678 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7679 * basic-block.h (estimate_probability): Remove prototype.
7680 * passes.c (finish_optimization_passes): Dump branch prediction or
7681 profiling heuristics to the .profile tree dump.
7682 (init_optimization_passes): Unqueue pass_branch_prob.
7684 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7686 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7688 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7689 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7691 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7693 * function.h (frame_offset_overflow): Declare.
7694 * function.c (frame_offset_overflow): New function.
7695 (assign_stack_local_1): Call it to detect that the offset overflows.
7696 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7698 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7700 * config/sh/sh.c: Include alloc-pool.h.
7701 (label_ref_list_pool): New alloc pool.
7702 (label_ref_list_t): New type for lists of labels.
7703 (struct pool_node): Make wend a label_ref_list_t.
7704 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7706 (dump_table): Likewise.
7707 (sh_reorg): Set up the alloc pool before using add_constant and
7708 dump_table, and destroy it when finishing.
7710 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7712 * config/mips/mips.c: Remove redundant comment.
7714 2006-03-10 Jason Merrill <jason@redhat.com>
7717 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7718 the target was declared 'register'.
7720 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7722 * genpreds.c (write_insn_constraint_len): Change definition of
7723 insn_constraint_len to return size_t to match the declaration.
7725 2006-03-10 DJ Delorie <dj@redhat.com>
7727 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7729 (m32c_expand_insv): Fix test for an AND mask.
7731 2006-03-10 Richard Guenther <rguenther@suse.de>
7734 * builtins.c (get_pointer_alignment): Handle component
7735 references for field alignment.
7737 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7739 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7740 when building with libgloss.
7741 (sh*elf): Implement --without-fp option.
7742 (sh64-superh-linux*): Don't multilib.
7744 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7746 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7748 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7750 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7751 Set it when one of the replacement functions returned true.
7752 Return TODO_cleanup_cfg if cfgchanged is true.
7753 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7755 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7757 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7758 instead of gen_lowpart.
7760 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7762 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7764 (mips_output_order_conditional_branch): Declare.
7765 * config/mips/mips.h (MIPS_BRANCH): New macro.
7766 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7767 for the comparison. Use gen_condjump.
7768 (mips_output_conditional_branch): Rework interface to take the
7769 asm templates for a direct branch and the inverse of a direct branch.
7770 (mips_output_order_conditional_branch): New function.
7771 (mips_builtin_branch_and_move): New function.
7772 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7773 branch condition. Use gen_single_cc as the condition for
7774 __builtin_mips_upper_* or __builtin_mips_lower_*.
7775 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7776 Use VOIDmode for the branch condition.
7777 * config/mips/predicates.md (order_operator): New predicate.
7778 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7779 (branch_fp): Rename to...
7780 (*branch_fp): ...this. Remove mode from comparison operator.
7781 Use new mips_output_conditional_branch interface.
7782 (branch_fp_inverted): Rename to...
7783 (*branch_fp_inverted): ...this and update as for *branch_fp.
7784 (*branch_zero<mode>): Rename to...
7785 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7786 Use mips_output_order_conditional_branch. Only accept ordered
7788 (*branch_zero<mode>_inverted): Rename to...
7789 (*branch_order<mode>_inverted): ...this and update as for
7790 *branch_order<mode>.
7791 (*branch_equality<mode>): Accept zero as the second operand to
7792 the equality operator. Use the new mips_output_conditional_branch
7794 (*branch_equality<mode>_inverted): Likewise.
7795 (condjump): New expander.
7796 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7798 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7799 (bc1any2t, bc1any2f): Likewise.
7800 (single_cc): New expander.
7801 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7803 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7805 * doc/md.texi: Update documentation of MIPS constraints.
7806 * config/mips/constraints.md: New file.
7807 * config/mips/mips.md: Include it.
7808 * config/mips/mips.c (mips_char_to_class): Delete.
7809 (override_options): Don't initialize mips_char_to_class.
7810 * config/mips/mips.h (mips_char_to_class): Delete.
7811 (REG_CLASS_FROM_LETTER): Delete.
7812 (CONST_OK_FOR_LETTER_P): Delete.
7813 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7814 (EXTRA_CONSTRAINT_Y): Delete.
7815 (EXTRA_CONSTRAINT_STR): Delete.
7816 (CONSTRAINT_LEN): Delete.
7817 (EXTRA_MEMORY_CONSTRAINT): Delete.
7819 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7821 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7822 original fn's eh regions.
7824 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7826 * fold-const.c (build_range_check): Make sure to use a valid type to
7827 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7830 (range_predecessor): New static function.
7831 (range_successor): Likewise.
7832 (merge_ranges): Use them to compute predecessors and successors of
7835 2006-03-09 Roger Sayle <roger@eyesopen.com>
7838 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7839 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7841 2006-03-08 DJ Delorie <dj@redhat.com>
7843 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7844 (addpsi3): Expand to include memory operands. Remove
7845 reload-specific splits.
7846 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7847 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7848 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7849 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7850 (shift1_qi, shift1_hi, insv): New.
7851 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7852 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7853 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7855 * config/m32c/m32c-protos.h: Update as needed.
7856 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7857 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7858 Fail for unrecognized R* constraints.
7859 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7860 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7861 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7863 (m32c_init_libfuncs): New.
7864 (m32c_legitimate_address_p): Add debug wrapper.
7865 (m32c_rtx_costs): New.
7866 (m32c_address_cost): New.
7867 (conversions): Add 'B' prefix.
7868 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7869 operands, or word regnames for QI operands. 'B' prints bit
7871 (m32c_expand_setmemhi): New.
7872 (m32c_expand_movmemhi): New.
7873 (m32c_expand_movstr): New.
7874 (m32c_expand_cmpstr): New.
7875 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7876 (m32c_expand_neg_mulpsi3): Handle non-ints.
7877 (m32c_cmp_flg_0): New.
7878 (m32c_expand_movcc): New.
7879 (m32c_expand_insv): New.
7880 (m32c_scc_pattern): New.
7881 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7882 a0/a1 out of SIregs.
7883 (STORE_FLAG_VALUE): New.
7884 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7887 * config/m32c/mov.md: Make constraints more liberal.
7888 (zero_extendqihi2): Optimize r0/r1 case.
7889 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7890 * config/m32c/predicates.md (m32c_any_operand): New.
7891 (m32c_nonimmediate_operand): New.
7892 (m32c_hl_operand): New.
7893 (m32c_r3_operand): New.
7896 (memsym_operand): New.
7897 (memimmed_operand): New.
7898 (a_qi_operand): New.
7899 (m32c_eqne_operator): New.
7900 (m32c_1bit8_operand): New.
7901 (m32c_1bit16_operand): New.
7902 (m32c_1mask8_operand): New.
7903 (m32c_1mask16_operand): New.
7904 * config/m32c/blkmov.md: New file.
7905 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7907 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7909 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7910 unsigned to fix signed/unsigned comparison issue in
7911 DWARF2_FRAME_REG_OUT.
7912 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7913 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7915 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7916 of ptr into the ENABLE_CHECKING section.
7918 2006-03-08 Jeff Law <law@redhat.com>
7920 * tree-vrp.c (infer_value_range): Only count pointer uses
7921 and dereferences if -fdelete-null-pointer-checks is enabled.
7923 * tree-vrp.c (find_assert_locations): Infer value ranges for
7924 single use pointers, but do not create ASSERT_EXPRs for them.
7925 When a non-null range is inferred for a pointer, backwards
7926 propagate that range to other equivalent pointers through the
7929 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7932 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7933 language hook targets.
7934 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7935 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7936 if language hook targets were missing.
7938 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7940 * tree-ssa-opfinalize.h: Removed.
7941 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7943 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7944 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7945 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7946 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7947 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7948 finalize_ssa_v_must_def_ops): New.
7950 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7952 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7955 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7957 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7959 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7960 addresses with offsets; reorganize.
7962 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7963 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7964 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7966 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7969 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7971 2006-03-08 Ben Elliston <bje@au.ibm.com>
7973 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7975 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7978 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7981 2006-03-07 Richard Guenther <rguenther@suse.de>
7983 PR tree-optimization/26587
7984 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7986 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7988 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7990 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7992 * hooks.c (hook_bool_mode_rtx_true): New function.
7993 * hooks.h (hook_bool_mode_rtx_true): Declare.
7994 * toplev.c (compile_file): Call output_shared_constant_pool.
7995 * varasm.c (shared_constant_pool): New variable.
7996 (assemble_start_function, assemble_end_function): Remove arguments
7997 from call to output_constant_pool.
7998 (create_constant_pool): New function, split out from...
7999 (init_varasm_status): ...here.
8000 (force_const_mem): Choose between the shared and per-function constant
8001 pools. Set current_function_uses_const_pool when reusing old entries
8002 as well as when creating new ones.
8003 (mark_constant): Ignore data argument.
8004 (mark_constants): Remove pool argument.
8005 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8006 to decide whether the function uses a constant pool.
8007 (output_constant_pool_contents): New function, split out from...
8008 (output_constant_pool): ...here.
8009 (output_shared_constant_pool): New function.
8010 (init_varasm_once): Initialize shared_constant_pool.
8011 * output.h (output_constant_pool): Delete.
8012 (output_shared_constant_pool): Declare.
8013 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8014 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8016 2006-03-06 Nick Clifton <nickc@redhat.com>
8018 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8019 flag_strength_reduce.
8021 2006-03-06 Ben Elliston <bje@au.ibm.com>
8023 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8024 x86_64-*-linux* configurations.
8026 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8027 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8029 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8031 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8033 * basic-block.h: Remove the extern for
8034 rediscover_loops_after_threading.
8036 * cfgloop.c (cancel_loop): Make it static.
8037 * cfgloop.h: Remove the prototype for cancel_loop.
8039 * flow.c (recompute_reg_usage): Make it static.
8040 * rtl.h: Remove the prototype for recompute_reg_usage.
8042 * function.c (use_return_register): Make it static.
8043 * function.h: Remove the prototype.
8045 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8047 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8049 * recog.h: Remove the prototype for
8050 validate_change_maybe_volatile.
8052 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8054 * rtlanal.c (replace_reg): Remove.
8055 * rtl.h: Remove the prototype for replace_reg.
8057 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8059 * regclass.c (reg_scan_update): Remove.
8060 (reg_scan_mark_refs): Remove the last argument.
8061 * rtl.h: Remove the prototype for reg_scan_update.
8063 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8065 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8066 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8067 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8068 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8069 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8070 loop-invariant.c, omp-low.c, opts.c, passes.c,
8071 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8072 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8073 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8074 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8075 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8076 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8080 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8081 * dwarf2out.h: Remove the prototype for
8082 dwarf2out_add_library_unit_info.
8084 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8086 * tree.c (add_var_to_bind_expr): Remove.
8087 * tree.h: Remove the prototype for add_var_to_bind_expr.
8089 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8091 * regclass.c (n_non_fixed_regs): Remove.
8092 (init_reg_sets_1, globalize_reg): Remove all uses of
8094 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8096 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8098 * rtlanal.c (insns_safe_to_move_p): Remove.
8099 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8101 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8103 * expmed.c (expand_mult_add): Remove.
8104 * expr.h: Remove the prototype for expand_mult_add.
8106 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8108 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8109 and REG_SAVED_VAL_EXP constants.
8110 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8111 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8112 Handle regs stored by value.
8113 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8114 (execute_cfa_program): Handle DW_CFA_val_offset,
8115 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8116 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8117 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8118 (uw_install_context_1): Handle target regs stored by value.
8120 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8122 * tree-sra.c (tree_sra): Return todoflags;
8123 (generate_one_element): Set TODO_update_smt_usage if needed.
8124 (pass_sra): Remove TODO_update_smt_usage.
8125 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8127 (tree_ssa_forward_propagate_single_use_vars): Return
8128 TODO_update_smt_usage if we need to update SMT usage.
8129 (pass_forwprop): Remove TODO_update_smt_usage.
8131 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8133 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8134 (correct_use_link): Remove reference to get_stmt_operands.
8135 (update_stmt_operands): Likewise.
8136 (get_modify_expr_operands): New function factored out of
8137 parse_ssa_operands and get_expr_operands.
8138 Try to create V_MUST_DEFs for LHS by default.
8139 (get_expr_operands) <case MODIFY_EXPR>: Call
8140 get_modify_expr_operands.
8141 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8142 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8143 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8144 get_modify_expr_operands.
8146 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8148 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8149 * tree-flow.h: Remove the prototype for
8150 referenced_var_lookup_if_exists.
8152 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8154 PR rtl-optimization/26345
8156 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8158 2006-03-03 Roger Sayle <roger@eyesopen.com>
8160 PR tree-optimization/26524
8161 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8162 fold_convert to create a constant of the appropriate type.
8164 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8166 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8167 SYMBOL_REF_IN_BLOCK_P.
8168 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8169 of SYMBOL_FLAG_IN_BLOCK.
8170 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8171 instead of SYMBOL_REF_IN_BLOCK_P.
8172 * explow.c (use_anchored_address): Likewise.
8173 * rtl.c (rtx_size): Likewise.
8174 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8175 instead of SYMBOL_FLAG_IN_BLOCK.
8176 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8177 SYMBOL_REF_IN_BLOCK_P.
8178 (assemble_variable): Likewise.
8179 (output_constant_def_contents): Likewise.
8180 (output_constant_pool): Likewise.
8181 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8182 instead of SYMBOL_FLAG_IN_BLOCK.
8183 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8184 SYMBOL_REF_IN_BLOCK_P.
8185 (SYMBOL_REF_BLOCK): Likewise.
8186 (SYMBOL_REF_OFFSET): Likewise.
8187 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8188 SYMBOL_REF_IN_BLOCK_P.
8189 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8190 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8191 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8192 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8194 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8196 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8198 2006-03-02 Roger Sayle <roger@eyesopen.com>
8200 * simplify-rtx.c (simplify_unary_operation): When simplifying
8201 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8202 that we perform the right shift in the appropriate mode, and
8203 then extend or truncate the result to requested mode.
8205 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8207 * gengtype.c (main): Handle double_int type.
8208 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8209 * double-int.c: New file.
8210 * double-int.h: New file.
8211 * system.h: Include doubleint.h.
8212 * Makefile.in (SYSTEM_H): Include double-int.h.
8213 (double-int.o): Add.
8215 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8218 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8221 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8223 * tree-vrp.c (remove_range_assertions): Do not update statements
8226 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8228 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8230 * gcse.c (rest_of_handle_gcse): Ditto.
8231 * except.c (gate_handle_eh): Ditto.
8232 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8233 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8235 2006-03-02 Eric Christopher <echristo@apple.com>
8237 * config/i386/i386.c (machopic_output_stub): Add indirection to
8240 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8244 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8246 Sun Niagara specific optimizations.
8247 * config.gcc: Recognize niagara as target.
8248 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8249 (TARGET_CPU_niagara): Define.
8250 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8251 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8252 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8253 (ASM_CPU_SPEC): Likewise.
8254 (PROCESSOR_NIAGARA): New enum entry.
8255 (REGISTER_MOVE_COST): Handle Niagara.
8256 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8257 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8258 (sparc_override_options): Recognize "niagara", set appropriate
8259 default MASK_* values for it, and align functions to 32-bytes
8260 by default just like ULTRASPARC/ULTRASPARC3.
8261 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8262 (sparc64_initialize_trampoline): Likewise.
8263 (sparc_use_sched_lookahead): Use zero for niagara.
8264 (sparc_issue_rate): Use one for niagara.
8265 * config/sparc/niagara.md: New file.
8266 * config/sparc/sparc.md: Include it.
8267 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8268 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8269 when default cpu is niagara.
8270 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8271 (ASM_CPU_SPEC): Likewise.
8272 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8273 when default cpu is niagara.
8274 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8275 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8276 just like v9/ultrasparc/ultrasparc3.
8277 * doc/invoke.texi: Add documentation for "niagara" and improve
8278 existing documentation for ultrasparc variants.
8280 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8282 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8284 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8286 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8287 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8288 and say that only one is needed.
8289 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8290 * target.h (have_switchable_bss_sections): New hook.
8291 * explow.c (use_anchored_address): Check that the symbol is in a block.
8292 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8293 (bss_noswitch_section): New variables.
8294 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8295 (get_noswitch_section): New function.
8296 (get_block_for_section): Allow SECT to be null.
8297 (unlikely_text_section_p): Use SECTION_STYLE.
8298 (bss_initializer_p): New function.
8299 (get_variable_section): Move earlier in file. Take a new argument,
8300 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8301 Return one of the new *_sections in such cases.
8302 (get_block_for_decl): New function, extracting some logic from
8303 use_blocks_for_decl_p.
8304 (change_symbol_section): Remove in favor of...
8305 (change_symbol_block): ...this new function.
8306 (use_blocks_for_decl_p): Remove checks now performed by
8308 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8309 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8310 (emit_local, emit_bss, emit_common): ...these new functions.
8311 Return true if the alignment was honored.
8312 (emit_tls_common): New function.
8313 (asm_emit_uninitialised): Delete.
8314 (assemble_variable_noswitch): New function, split out from...
8315 (assemble_variable): ...here. Don't make decisions about common
8316 variables here. Globalize all public decls that go into non-common
8317 sections. Check whether SYMBOL_REF_BLOCK is null.
8318 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8319 (output_constant_pool): Likewise.
8320 (init_varasm_once): Initialize the new section variables.
8321 (have_global_bss_p): New function.
8322 (categorize_decl_for_section): Use bss_initializer_p.
8323 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8324 (place_block_symbol): Assert that the symbol must be in a block.
8325 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8326 (TARGET_INITIALIZER): Include it.
8327 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8328 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8329 (SECTION_MACH_DEP): Bump by two.
8330 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8331 (unnamed_section): Mention SECTION_UNNAMED in comment.
8332 (named_section): Likewise SECTION_NAMED.
8333 (noswitch_section_callback): New type.
8334 (noswitch_section): New structure.
8335 (section): Add a noswitch_section alternative.
8336 (SECTION_STYLE): New macro.
8337 (tls_comm_section, comm_section, lcomm_section): Declare.
8338 (bss_noswitch_section, have_global_bss_p): Declare.
8339 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8340 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8342 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8343 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8346 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8348 * tree-vrp.c (execute_vrp): Return value.
8349 * regrename.c (rest_of_handle_regrename): Ditto.
8350 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8351 * tree-complex.c (tree_lower_complex): Ditto.
8352 (tree_lower_complex_O0): Ditto.
8353 * tracer.c (rest_of_handle_tracer): Ditto.
8354 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8355 * postreload.c (rest_of_handle_postreload): Ditto.
8356 * tree-tailcall.c (execute_tail_recursion): Ditto.
8357 (execute_tail_calls): Ditto.
8358 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8359 * tree.h (init_function_for_compilation): Ditto.
8360 * ipa-cp.c (ipcp_driver): Ditto.
8361 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8362 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8363 * final.c (compute_alignments): Ditto.
8364 (rest_of_handle_final): Ditto.
8365 (rest_of_handle_shorten_branches): Ditto.
8366 (rest_of_clean_state): Ditto.
8367 * omp-low.c (execute_expand_omp): Ditto.
8368 (execute_lower_omp): Ditto.
8369 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8370 * ipa-reference.c (static_execute): Ditto.
8371 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8372 * reorg.c (rest_of_handle_delay_slots): Ditto.
8373 (rest_of_handle_machine_reorg): Ditto.
8374 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8375 * flow.c (recompute_reg_usage): Ditto.
8376 (rest_of_handle_remove_death_notes): Ditto.
8377 (rest_of_handle_life): Ditto.
8378 (rest_of_handle_flow2): Ditto.
8379 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8380 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8381 (do_ssa_store_ccp): Ditto.
8382 (execute_fold_all_builtins): Ditto.
8383 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8384 * modulo-sched.c (rest_of_handle_sms): Ditto.
8385 * ipa-pure-const.c (static_execute): Ditto.
8386 * cse.c (rest_of_handle_cse): Ditto.
8387 (rest_of_handle_cse2): Ditto.
8388 * web.c (rest_of_handle_web): Ditto.
8389 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8390 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8391 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8392 * tree-nrv.c (tree_nrv): Ditto.
8393 (execute_return_slot_opt): Ditto.
8394 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8395 (create_structure_vars): Ditto.
8396 * loop-init.c (rtl_loop_init): Ditto.
8397 (rtl_loop_done): Ditto.
8398 (rtl_move_loop_invariants): Ditto.
8399 (rtl_unswitch): Ditto.
8400 (rtl_unroll_and_peel_loops): Ditto.
8401 (rtl_doloop): Ditto.
8402 * gimple-low.c (lower_function_body): Ditto.
8403 (mark_used_blocks): Ditto.
8404 * tree-ssa-sink.c (execute_sink_code): Ditto.
8405 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8406 (cgraph_early_inlining): Ditto.
8407 * global.c (rest_of_handle_global_alloc): Ditto.
8408 * jump.c (cleanup_barriers): Ditto.
8409 (purge_line_number_notes): Ditto.
8410 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8411 (rest_of_handle_if_after_reload): Ditto.
8412 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8413 (tree_ssa_loop_im): Ditto.
8414 (tree_ssa_loop_unswitch): Ditto.
8415 (tree_vectorize): Ditto.
8416 (tree_linear_transform): Ditto.
8417 (tree_ssa_loop_ivcanon): Ditto.
8418 (tree_ssa_empty_loop): Ditto.
8419 (tree_ssa_loop_bounds): Ditto.
8420 (tree_complete_unroll): Ditto.
8421 (tree_ssa_loop_prefetch): Ditto.
8422 (tree_ssa_loop_ivopts): Ditto.
8423 (tree_ssa_loop_done): Ditto.
8424 * predict.c (tree_estimate_probability): Ditto.
8425 * recog.c (split_all_insns_noflow): Ditto.
8426 (rest_of_handle_peephole2): Ditto.
8427 (rest_of_handle_split_all_insns): Ditto.
8428 * tree-eh.c (lower_eh_constructs): Ditto.
8429 * regmove.c (rest_of_handle_regmove): Ditto.
8430 (rest_of_handle_stack_adjustments): Ditto.
8431 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8432 * function.c (instantiate_virtual_regs): Ditto.
8433 (init_function_for_compilation): Ditto.
8434 (rest_of_handle_check_leaf_regs): Ditto.
8435 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8436 (rest_of_handle_gcse): Ditto.
8437 * ipa-type-escape.c (type_escape_execute): Ditto.
8438 * alias.c (rest_of_handle_cfg): Ditto.
8439 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8440 * profile.c (rest_of_handle_branch_prob): Ditto.
8441 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8442 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8443 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8444 * tree-dfa.c (find_referenced_vars): Ditto.
8445 * except.c (set_nothrow_function_flags): Ditto.
8446 (convert_to_eh_region_ranges): Ditto.
8447 (rest_of_handle_eh): Ditto.
8448 * emit-rtl.c (unshare_all_rtl): Ditto.
8449 (remove_unnecessary_notes): Ditto.
8450 * except.h (set_nothrow_function_flags): Ditto.
8451 (convert_to_eh_region_ranges): Ditto.
8452 * cfgexpand.c (tree_expand_cfg): Ditto.
8453 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8454 * tree-ssa-pre.c (do_pre): Ditto.
8455 (execute_fre): Ditto.
8456 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8457 (rest_of_handle_jump2): Ditto.
8458 * tree-sra.c (tree_sra): Ditto.
8459 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8460 (execute_mudflap_function_decls): Ditto.
8461 * tree-ssa-copy.c (do_copy_prop): Ditto.
8462 (do_store_copy_prop): Ditto.
8463 * ipa-prop.h (ipcp_driver): Ditto.
8464 * cfglayout.c (insn_locators_initialize): Ditto.
8465 * tree-ssa-forwprop.c
8466 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8467 * cfglayout.h (insn_locators_initialize): Ditto.
8468 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8469 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8470 (execute_late_warn_uninitialized): Ditto.
8471 * rtl.h (cleanup_barriers): Ditto.
8472 (split_all_insns_noflow): Ditto.
8473 (purge_line_number_notes): Ditto.
8474 (unshare_all_rtl): Ditto.
8475 (remove_unnecessary_notes): Ditto.
8476 (recompute_reg_usage): Ditto.
8477 (variable_tracking_main): Ditto.
8478 * integrate.c (emit_initial_value_sets): Ditto.
8479 * integrate.h (emit_initial_value_sets): Ditto.
8480 * tree-optimize.c (execute_free_datastructures): Ditto
8481 (execute_free_cfg_annotations): Ditto.
8482 (execute_fixup_cfg): Ditto.
8483 (execute_cleanup_cfg_pre_ipa): Ditto.
8484 (execute_cleanup_cfg_post_optimizing): Ditto.
8485 (execute_init_datastructures): Ditto.
8486 * tree-object-size.c (compute_object_sizes): Ditto.
8487 * combine.c (rest_of_handle_combine): Ditto.
8488 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8489 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8490 (rest_of_handle_reorder_blocks): Ditto.
8491 (rest_of_handle_partition_blocks): Ditto.
8492 * var-tracking.c (variable_tracking_main): Ditto.
8493 * tree-profile.c (tree_profiling): Ditto.
8494 * tree-vect-generic.c (expand_vector_operations): Ditto.
8495 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8496 * sched-rgn.c (rest_of_handle_sched): Ditto.
8497 (rest_of_handle_sched2): Ditto.
8498 * basic-block.h (free_bb_insn): Ditto.
8499 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8500 * tree-cfg.c (execute_build_cfg): Ditto.
8501 (remove_useless_stmts): Ditto.
8502 (split_critical_edges): Ditto.
8503 (execute_warn_function_return): Ditto.
8504 (execute_warn_function_noreturn): Ditto.
8505 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8506 * cfgrtl.c (free_bb_for_insn): Ditto.
8507 * passes.c (execute_one_pass): Run additional
8508 todos returned by execute function.
8509 * tree-pass.h (struct tree_opt_pass): Make execute
8512 2006-03-02 Richard Guenther <rguenther@suse.de>
8514 * tree-ssa-alias.c (find_used_portions): Consider taking
8515 the address as making the variable not write-only.
8517 2006-03-02 Nick Clifton <nickc@redhat.com>
8519 * config.gcc (default_use_cxa_atexit): Extend the description of
8520 this configure variable. Set its default value to "yes" for
8521 Linux, NetBSD and ELF targets on the assumption that they will
8522 use C libraries with the __cxa_atexit function.
8524 2006-03-02 Ben Elliston <bje@au.ibm.com>
8526 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8527 parameter as unused to suppress a build warning.
8529 2006-03-02 Ben Elliston <bje@au.ibm.com>
8531 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8534 2006-03-01 Roger Sayle <roger@eyesopen.com>
8537 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8538 declared name, the weak reference name, and the typeof name.
8539 (__gthrw): Avoid expanding the declared name suffix.
8540 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8542 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8544 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8546 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8547 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8548 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8549 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8550 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8551 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8552 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8553 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8554 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8555 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8556 (DW_END_default, DW_END_big, DW_END_little): New.
8557 (DW_END_lo_user, DW_END_hi_user): Define.
8558 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8559 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8560 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8563 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8565 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8567 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8569 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8571 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8573 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8574 to 'symbol_mem_tag'.
8576 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8579 2006-03-01 Roger Sayle <roger@eyesopen.com>
8581 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8583 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8586 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8587 MACHO_DYNAMIC_NO_PIC_P.
8588 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8590 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8593 * config/darwin-protos.h (darwin_asm_output_anchor):
8595 * config/darwin-sections.def (cstring_section):
8596 Add SECTION_MERGE to the flags.
8597 (literal4_section): Likewise.
8598 (literal8_section): Likewise.
8599 (objc_selector_refs_section): Likewise.
8600 (objc_cls_refs_section): Likewise.
8601 * config/darwin.c (darwin_asm_output_anchor): New
8603 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8605 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8607 Fix PR tree-optimization/26443
8608 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8609 to todo and PROP_tmt_usage to properties_destroyed.
8610 * tree-ssa-ccp.c (pass_ccp): Ditto.
8611 (pass_store_ccp): Ditto.
8612 * tree-ssa-dom.c (pass_dominator): Ditto.
8614 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8616 * tree-ssa-operands.c: Cleanup whitespace.
8617 (get_asm_expr_operands): Move before first invocation.
8618 (get_indirect_ref_operands): Likewise.
8619 (get_tmr_operands): Likewise.
8620 (get_call_expr_operands): Likewise.
8621 (append_def): Likewise.
8622 (append_use): Likewise.
8623 (append_v_may_def): Likewise.
8624 (append_v_must_def): Likewise.
8625 (add_call_clobber_ops): Likewise.
8626 (add_call_read_ops): Likewise.
8627 (add_stmt_operand): Likewise.
8628 (add_virtual_operand): Likewise.
8629 (build_ssa_operands): Likewise.
8631 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8636 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8637 with a call expr to ...
8638 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8640 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8642 * tree-vrp.c (extract_range_from_assert): Remove special
8643 handling for types with super-types.
8645 2006-03-01 Ben Elliston <bje@au.ibm.com>
8647 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8648 and powerpc64-*-linux* configurations.
8649 * config/t-dfprules: New file.
8651 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8652 Compile dfp-bit.c from the source directory using -DWIDTH and
8653 $DFP_CFLAGS to control the compilation of that file, rather than
8654 generating width-specific versions in the build directory.
8655 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8656 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8658 2006-02-28 Zack Weinberg <zackw@panix.com>
8660 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8663 2006-02-28 Eric Christopher <echristo@apple.com>
8665 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8666 Set up IN_LIBGCC definition of TARGET_64BIT.
8667 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8669 2006-02-28 Roger Sayle <roger@eyesopen.com>
8672 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8673 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8674 cases via the construction of "expr != 0".
8676 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8678 * alias.c (alias_invariant, alias_invariant_size): Remove.
8679 (record_base_value): Remove.
8680 (memrefs_conflict_p): Don't look at alias_invariant.
8681 (end_alias_analysis): Don't free it.
8682 * alias.h (record_base_value): Remove prototype.
8684 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8685 Adam Nemet <anemet@caviumnetworks.com>
8687 * rtl.h (truncated_to_mode): Declare it.
8688 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8689 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8690 (RTL_HOOKS_INITIALIZER): Include it.
8691 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8692 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8693 reg_truncated_to_mode.
8694 * rtlanal.c (truncated_to_mode): Define it.
8695 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8697 2006-02-28 Jeff Law <law@redhat.com>
8699 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8700 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8701 the range allowed by TYPE_PRECISION.
8703 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8705 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8707 PR tree-optimization/26419
8708 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8711 2006-02-27 Zack Weinberg <zackw@panix.com>
8713 * doc/md.texi: Fix typo in previous change.
8715 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8719 2006-02-27 Zack Weinberg <zackw@panix.com>
8721 * rtl.def (define_constraint, define_register_constraint)
8722 (define_memory_constraint, define_address_constraint): New MD forms.
8723 * gensupport.c (process_rtx): Put define_constraint etc on the
8725 * genpreds.c (process_define_predicate): Adjust comment. Validate
8726 the name, and call validate_exp to validate the expression.
8727 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8728 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8729 all callers changed.
8730 (validate_exp, needs_variable, struct constraint_data)
8731 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8732 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8733 (const_dbl_constraints, constraint_max_namelen)
8734 (have_register_constraints, have_memory_constraints)
8735 (have_address_constraints, have_address_constraints)
8736 (have_extra_constraints, have_const_int_constraints)
8737 (have_const_dbl_constraints, mangle, add_constraint)
8738 (process_define_constraint, process_define_register_constraint)
8739 (write_enum_constraint_num, write_lookup_constraint)
8740 (write_insn_constraint_len, write_regclass_for_constraint)
8741 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8742 (write_insn_extra_memory_constraint)
8743 (write_insn_extra_address_constraint)
8744 (write_satisfies_constraint_fns): New.
8745 (write_tm_preds_h): If we have new-style constraint definitions,
8746 prototype the functions generated from them, and define the
8747 old constraint interface (still used by generic code) in terms of
8749 (write_insn_preds_c): If we have new-style constraint definitions,
8750 generate all relevant functions from those definitions.
8751 (main): Handle define_constraint etc.
8752 * genoutput.c (struct constraint_data, indep_constraints)
8753 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8754 (mdep_constraint_len): New data structures and functions, defined
8755 #ifdef USE_MD_CONSTRAINTS.
8756 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8757 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8758 use new logic to validate operand constraints against constraint
8760 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8762 * defaults.h: If none of the old-style constraint macros are
8763 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8764 old-style macros; and poison REG_CLASS_FROM_LETTER,
8765 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8767 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8768 * doc/md.texi: Document new constraint-definition mechanism and the
8769 C interface it provides. Remove references to old mechanism
8770 elsewhere in the document.
8771 (Machine Constraints): Use pathnames relative to gcc directory,
8772 i.e. config/ARCH/FILE. Change i386 section to refer to
8773 config/i386/predicates.md; update that section to match docstrings.
8774 * doc/tm.texi: Move all documentation of the old constraint-
8775 definition macros to their own section, clearly mark as obsolete.
8777 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8778 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8780 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8781 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8782 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8784 (splits and peepholes): Use satisfies_constraint_*.
8785 * config/i386/i386.c (memory_address_length)
8786 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8788 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8790 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8791 scalar operation to be put back into the loop.
8793 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8796 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8797 (extract_cie_info): Handle S flag in augmentation string.
8798 (execute_cfa_program): If context->signal_frame, execute also
8799 fs->pc == context->ra instructions.
8800 (uw_frame_state_for): If context->signal_frame, don't subtract one
8801 from context->ra to find FDE.
8802 (uw_update_context_1): Set context->signal_frame to
8804 (_Unwind_GetIPInfo): New function.
8805 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8806 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8808 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8809 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8810 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8811 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8812 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8813 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8814 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8815 x86_64_fallback_frame_state): Set fs->signal_frame.
8816 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8817 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8818 (frob_update_context): Likewise. Workaround missing S flag in
8819 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8820 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8821 Remove the psw_addr + 1 hack.
8823 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8825 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8826 with aggregates here.
8827 (find_func_aliases): Remove code for &<aggregate> from here.
8829 2006-02-26 Roger Sayle <roger@eyesopen.com>
8831 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8832 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8833 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8836 2006-02-26 Roger Sayle <roger@eyesopen.com>
8839 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8841 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8843 * opts.c (decode_options): Do not handle flag_strength_reduce.
8844 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8845 and OPT_fstrength_reduce.
8846 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8847 flag_prefetch_loop_arrays for being nonzero.
8848 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8850 (fprefetch-loop-arrays-rtl): Removed.
8851 (flag_prefetch_loop_arrays): Do not specify the value.
8853 * doc/passes.texi: Update documentation of loop optimizer
8855 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8856 -frerun-loop-opt): Remove.
8858 2006-02-26 Richard Guenther <rguenther@suse.de>
8860 PR tree-optimization/26421
8861 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8862 in function calls that are ADDR_EXPRs as using the whole structure.
8864 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8866 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8867 * tree-pass.h (pass_loop_optimize): Remove.
8868 * passes.c (pass_loop_optimize): Never run it.
8869 * toplev.c (backend_init): Don't call init_loop.
8870 * opts.c (flag_loop_optimize_set): Remove.
8871 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8872 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8873 the old RTL loop optimizer when profiling enabled.
8874 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8875 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8876 pre-headers for the sake of the old RTL loop optimizer.
8877 * Makefile.in: Remove all references to loop.o.
8879 * doc/invoke.texi: Remove all references to -floop-optimize
8880 and -frerun-loop-opt.
8882 2006-02-26 Zack Weinberg <zackw@panix.com>
8884 * doc/md.texi (Machine Constraints): Refer to all files with paths
8885 relative to gcc directory (i.e. config/CPU/file). Add missing
8886 @table @code ... @end table to M32C subsection.
8888 2006-02-26 Roger Sayle <roger@eyesopen.com>
8890 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8892 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8894 2006-02-26 Roger Sayle <roger@eyesopen.com>
8895 James A. Morrison <phython@gcc.gnu.org>
8898 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8899 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8900 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8901 signedness of the shift operation.
8903 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8905 PR tree-optimization/26359
8906 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8908 2006-02-25 Roger Sayle <roger@eyesopen.com>
8910 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8911 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8912 as X == 0, and some symmetry related transformations.
8913 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8915 2006-02-25 Roger Sayle <roger@eyesopen.com>
8918 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8919 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8920 symmetry related transformations. Fold (X^C1) == C2 as
8923 2006-02-25 Juergen Weigert <jw@suse.de>
8924 Richard Guenther <rguenther@suse.de>
8926 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8928 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8930 * combine.c (gen_lowpart_or_truncate): Call
8931 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8933 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8935 * doc/invoke.texi: Move -fopenmp description to "Options for
8937 Remove reference to -lgomp.
8939 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8941 * doc/install.texi: Require GNU tar version 1.14.
8943 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8945 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8946 * doc/invoke.texi (C++ Dialect Options): Document
8947 -fno-use-cxa-get-exception-ptr.
8948 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8949 * configure: Regenerate.
8950 * c.opt (fuse-cxa-get-exception-ptr): New.
8951 * c-opts.c (c_common_handle_option): Handle
8952 OPT_fuse_cxa_get_exception_ptr.
8953 * c-common.c (flag_use_cxa_atexit): Update documentation.
8954 (flag_use_cxa_get_exception_ptr): New.
8955 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8956 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8958 (C_COMMON_OVERRIDE_OPTIONS): New.
8960 2006-02-24 Roger Sayle <roger@eyesopen.com>
8963 * combine.c (try_combine): Explicitly check whether GET_CODE is
8964 a SET or a CLOBBER, instead on checking that it isn't a USE.
8966 2006-02-24 Roger Sayle <roger@eyesopen.com>
8968 * fold-const.c (fold_comparison): New subroutine of fold_binary
8969 containing transformations common to both the equality and
8970 ordering relational operators, factored out of fold_binary.
8971 (fold_binary): Separate out the equality operators (EQ_EXPR
8972 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8973 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8974 transformations common to both.
8975 (fold_div_compare): Fix latent bugs in the previously unreachable
8976 LT_EXPR and GE_EXPR cases.
8978 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8980 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8981 decl libname for clog to __clog on AIX.
8983 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8985 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8988 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8989 output traceback table for thunks. Localise rs6000_stack_info call.
8991 2006-02-23 Roger Sayle <roger@eyesopen.com>
8992 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8994 * gthr-posix.h (__gthrw): Fix typo in comment.
8996 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8998 * doc/cpp.texi (Character sets): Document that we do support
8999 input files to be in any character set.
9001 2006-02-23 Jeff Law <law@redhat.com>
9003 * tree.h (PHI_ARG_NONZERO): Remove.
9004 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9005 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9006 node to the new node.
9008 PR tree-optimization/26425
9009 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9010 min/max, then assume its varying.
9012 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9014 PR rtl-optimization/26316
9015 * rtlanal.c (enum may_trap_p_flags): New.
9016 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9017 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9018 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9019 (may_trap_after_code_motion_p): New function.
9020 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9021 (find_invariant_insn): Use may_trap_after_code_motion_p.
9022 * rtl.h (may_trap_after_code_motion_p): Declare.
9024 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9026 * emit-rtl.c (immed_double_const): Cleanup.
9028 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9030 Fix PR tree-optimization/26376
9031 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9034 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9037 * gimplify.c (omp_add_variable): Guard variable size decl test with
9038 DECL_SIZE (decl) check.
9040 2006-02-23 Richard Guenther <rguenther@suse.de>
9043 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9044 like aggregate types.
9046 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9048 * configure.ac: Add --with{,out}-long-double-128 configure option.
9049 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9050 * configure: Rebuilt.
9051 * config.in: Rebuilt.
9052 * doc/install.texi (Options specification): Document
9053 --with-long-double-128.
9055 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9056 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9057 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9058 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9060 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9062 * config/s390/s390.c (override_options): Handle
9063 TARGET_DEFAULT_LONG_DOUBLE_128.
9065 * config/alpha/alpha.c (override_options): Handle
9066 TARGET_DEFAULT_LONG_DOUBLE_128.
9068 * config/sparc/sparc.c (sparc_override_options): Handle
9069 TARGET_DEFAULT_LONG_DOUBLE_128.
9071 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9073 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9074 (real-install-headers-tar, real-install-headers-cpio)
9075 (real-install-headers-cp): New targets.
9077 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9079 * tree.h (variable_section): Delete.
9080 * varasm.c (variable_section): Delete.
9082 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9084 * install.texi: Add notes on install.texi2html.
9085 (Building in parallel): Do not use footnotes.
9087 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9090 * doc/install.texi (Configuration): Document --disable-libgomp.
9092 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9094 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9096 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9098 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9099 (vec_extractv2df_0_sse): New.
9101 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9103 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9104 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9105 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9106 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9107 to the result of the expression.
9108 (def_cfa_1): Adjust.
9109 (frame_pointer_cfa_offset): Rename to...
9110 (frame_pointer_fb_offset): ... this. Adjust all uses.
9111 (convert_cfa_to_loc_list): Rename to...
9112 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9113 Pass it on to build_cfa_loc.
9114 (compute_frame_pointer_to_cfa_displacement): Rename to...
9115 (compute_frame_pointer_to_fb_displacement): ... this. New
9116 offset parameter. Use it in computation.
9117 (gen_subprogram_die): Compute cfa_fb_offset with the new
9118 macro, and use it to compute the fb loc list and the
9121 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9123 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9124 replaced with register_operand.
9125 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9126 non-DREG is expensive.
9127 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9128 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9131 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9133 * doc/install.texi2html: Use set -e.
9135 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9137 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9138 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9139 * doc/invoke.texi (-fshared-data): Delete.
9140 * common.opt (fshared-data): Delete.
9141 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9142 (assemble_static_space): Remove #if 0 code.
9143 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9144 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9145 * config/cris/cris.h: Remove FIXME.
9147 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9149 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9152 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9155 * combine.c (simplify_shift_const_1): Disable nested shifts
9156 optimization for vector shifts.
9158 2006-02-20 Roger Sayle <roger@eyesopen.com>
9160 PR tree-optimization/26361
9161 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9162 of unsigned integer types.
9164 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9166 * tree-chrec.c (eq_evolutions_p): New.
9167 * tree-chrec.h (eq_evolutions_p): Declared.
9168 * tree-data-ref.c: Fix formatting.
9169 (datadep_stats, dependence_stats): New.
9171 (print_direction_vector): New.
9172 (dump_data_dependence_relation): Use print_direction_vector.
9173 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9174 (compute_subscript_distance): Static.
9175 (initialize_data_dependence_relation): Static. Get the number
9176 of loops surrounding the references from the callers, and initialize
9177 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9178 base_object_differ_p analyzers.
9179 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9180 compute_overlap_steps_for_affine_1_2,
9181 analyze_subscript_affine_affine): Count the classified dependences.
9182 Print a message when a test failed.
9183 (can_use_analyze_subscript_affine_affine): New.
9184 (analyze_siv_subscript): Compute the data dependences on symbolic
9185 scevs that verify can_use_analyze_subscript_affine_affine.
9186 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9187 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9188 Handle symbolic scevs.
9189 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9191 (subscript_dependence_tester): Moved...
9192 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9193 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9194 DDR_SIZE_VECT instead of getting it in parameter.
9195 (subscript_dependence_tester): ... here. Take as a parameter
9196 loop_nest_depth. Call build_classic_dist_vector and
9197 build_classic_dir_vector.
9198 (compute_affine_dependence): Update subscript_dependence_tester
9199 parameters. Update datadep_stats counters. Call
9200 compute_subscript_distance.
9201 (compute_self_dependence): Save the dist and dir vectors. Call
9202 compute_subscript_distance.
9203 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9204 (compute_all_dependences): Reorder parameters as they were before
9205 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9206 compute_subscript_distance. Update the use of
9207 compute_affine_dependence and initialize_data_dependence_relation.
9208 (find_data_references_in_loop): Handle COMPONENT_REF.
9209 (compute_data_dependences_for_loop): Initialize dependence_stats.
9210 Don't call build_classic_dist_vector and build_classic_dir_vector.
9211 Update the parameters of initialize_data_dependence_relation and
9212 compute_all_dependences. Print the statistics from datadep_stats.
9213 (analyze_all_data_dependences): Static. Not used until the pass for
9214 checking the data dependences is contributed.
9215 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9216 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9217 (initialize_data_dependence_relation, compute_affine_dependence,
9218 analyze_all_data_dependences, compute_subscript_distance): Removed.
9219 (print_direction_vector): New.
9220 * lambda.h (gcd): ... here.
9221 (lambda_vector_gcd): Moved here from gcd_vector.
9222 * lambda-code.c (gcd, gcd_vector): Removed.
9223 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9224 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9226 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9228 * ipa-type-escape.c: Tidy some comments and white space.
9229 * tree-ssa-operands.c: Likewise.
9231 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9234 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9235 (dump_decl_name): Do not walk the decl tree chains.
9236 * tree-pass.h (TDF_CHAIN): Remove.
9238 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9240 * Makefile.in (C): Remove
9242 (.PHONY): Remove C and PROTO
9244 2006-02-20 Roger Sayle <roger@eyesopen.com>
9247 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9248 deprecated CHAR_TYPE tree code.
9250 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9252 * configure.ac (target_list): Add install-info, dvi, html.
9253 * configure: Regenerate.
9255 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9256 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9257 treelang/Make-lang.in: Do not use double-colon rules.
9259 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9261 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9262 (TMT_USED_ALONE): New macro.
9263 * tree-pass.h (PROP_tmt_usage): New property.
9264 (TODO_update_tmt_usage): New todo.
9265 * tree-ssa-alias.c (updating_used_alone): New variable.
9266 (recalculate_used_alone): New function.
9267 (compute_may_aliases): Set updating_used_alone, call
9268 recalculate_used_alone.
9269 * tree-sra.c (pass_sra): Note that this pass destroys
9270 PROP_tmt_usage, and add TODO_update_tmt_usage.
9271 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9272 * tree-flow.h (updating_used_alone): Prototype.
9273 (recalculate_used_alone): Ditto.
9274 * passes.c (execute_todo): Add code to set updating_used_alone,
9275 and call recalculate.
9276 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9277 for clobber if used alone, and add assert to verify used_alone
9280 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9282 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9283 for non tls symbols added.
9284 (legitimize_address): Do nothing for PLUS expressions if one of the
9285 addends is a tls symbol reference.
9287 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9291 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9293 * Makefile.in (BOOTSTRAPPING): New.
9294 (quickstrap): New definition if BOOTSTRAPPING=yes.
9296 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9297 * configure.ac: Substitute all_selected_languages with the languages
9298 that were configured. For all the other variables except
9299 lang_specs_files, include all the languages in the tree.
9300 * configure: Regenerate.
9302 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9303 if there is one. Run the commands to run fixincludes in the same
9306 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9307 * doc/install.texi: Document exact conventions for searching target tools.
9308 Document --with-build-time-tools. Document toplevel bootstrap. Document
9309 something more about building an Ada cross-compiler. Don't list GNU Make
9310 requirements which affect all platforms.
9312 2006-02-19 Roger Sayle <roger@eyesopen.com>
9315 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9316 only equivalent if the have both the same mode and precision.
9318 2006-02-20 Ben Elliston <bje@au.ibm.com>
9320 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9322 2006-02-19 Roger Sayle <roger@eyesopen.com>
9323 Steven Bosscher <stevenb.gcc@gmail.com>
9325 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9326 constant pool references to identify stack mode constants.
9327 * rtlanal.c (constant_pool_constant_p): New predicate to check
9328 whether operand is a floating point constant in the pool.
9329 * rtl.h (constant_pool_constant_p): Prototype here.
9330 * loop.c (scan_loop): Avoid hoisting constants from the constant
9331 pool on STACK_REGS targets.
9332 (load_mems): Likewise.
9333 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9334 loads into x87 registers expensive in terms of register pressure.
9336 2006-02-19 Roger Sayle <roger@eyesopen.com>
9338 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9339 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9341 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9343 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9344 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9346 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9348 * doc/invoke.texi: Document -fipa-pta.
9349 * common.opt: Add ipa-pta option.
9350 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9351 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9352 (do_ds_constraint): Ditto.
9353 (get_constraint_for): Only add to referenced_vars if
9354 referenced_vars exists.
9355 (insert_into_field_list): Rewrite to do this unsorted.
9356 (insert_into_field_list_sorted): Rename old insert_into_field_list
9358 (create_function_info_for): Use insert_into_field_list_sorted.
9359 (create_variable_info_for): Rewrite so it uses unsorted version,
9360 since the field list is sorted.
9361 (intra_create_variable_infos): Only add to referenced_vars if
9362 referenced_vars exists.
9363 (ipa_pta_execute): Init heapvars, and delete when done.
9364 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9366 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9368 * doc/install.texi: Add missing `@samp'.
9370 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9372 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9375 2006-02-18 Mark Wielaard <mark@klomp.org>
9377 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9378 who added new 4.1 features, bug fixes and integration support.
9380 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9383 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9386 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9388 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9389 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9390 (copy_insn_1): Likewise. Don't copy each field individually.
9392 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9394 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9395 * rtl.c (rtx_size): Rename variable to...
9396 (rtx_code_size): ...this.
9397 (rtx_size): New function.
9398 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9399 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9401 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9402 * rtl.h (rtx_code_size): New variable.
9403 (rtx_size): Change from a variable to a function.
9404 (RTX_SIZE): Rename to...
9405 (RTX_CODE_SIZE): ...this.
9408 PR tree-optimization/17106
9409 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9410 (Anchored Addresses): New section.
9411 * doc/invoke.texi (-fsection-anchors): Document.
9412 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9413 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9414 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9415 * hooks.c (hook_bool_mode_rtx_false): New function.
9416 * hooks.h (hook_bool_mode_rtx_false): Declare.
9417 * gengtype.c (create_optional_field): New function.
9418 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9419 SYMBOL_REF_IN_BLOCK_P is true.
9420 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9421 (min_anchor_offset, max_anchor_offset): Likewise.
9422 (use_anchors_for_symbol_p): New hook.
9423 * toplev.c (compile_file): Call output_object_blocks.
9424 (target_supports_section_anchors_p): New function.
9425 (process_options): Check that -fsection-anchors is only used on
9426 targets that support it and when -funit-at-a-time is in effect.
9427 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9428 if the decl doesn't have one.
9429 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9430 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9431 of force_const_mem through use_anchored_address.
9432 (expand_expr_constant): New function.
9433 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9434 calling expand_expr for INDIRECT_REF.
9435 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9436 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9437 * expr.h (use_anchored_address): Declare.
9438 * loop-unroll.c: Don't declare rtx vectors here.
9439 * explow.c: Include output.h.
9440 (validize_mem): Call use_anchored_address.
9441 (use_anchored_address): New function.
9442 * common.opt (-fsection-anchors): New switch.
9443 * varasm.c (object_block_htab, anchor_labelno): New variables.
9444 (hash_section, object_block_entry_eq, object_block_entry_hash)
9445 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9446 (use_blocks_for_decl_p, change_symbol_section): New functions.
9447 (get_variable_section): New function, split out from assemble_variable.
9448 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9449 use_blocks_for_decl_p say so. Use change_symbol_section if the
9450 symbol has already been created.
9451 (assemble_variable_contents): New function, split out from...
9452 (assemble_variable): ...here. Don't output any code for
9453 block symbols; just pass them to place_block_symbol.
9454 Use get_variable_section and assemble_variable_contents.
9455 (get_constant_alignment, get_constant_section, get_constant_size): New
9456 functions, split from output_constant_def_contents.
9457 (build_constant_desc): Create a block symbol if use_object_blocks_p
9458 says so. Or into SYMBOL_REF_FLAGS.
9459 (assemble_constant_contents): New function, split from...
9460 (output_constant_def_contents): ...here. Don't output any code
9461 for block symbols; just pass them to place_section_symbol.
9462 Use get_constant_section and get_constant_alignment.
9463 (force_const_mem): Create a block symbol if use_object_blocks_p and
9464 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9465 (output_constant_pool_1): Add an explicit alignment argument.
9466 Don't switch sections here.
9467 (output_constant_pool): Adjust call to output_constant_pool_1.
9468 Switch sections here instead. Don't output anything for block symbols;
9469 just pass them to place_block_symbol.
9470 (init_varasm_once): Initialize object_block_htab.
9471 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9472 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9473 (place_block_symbol, get_section_anchor, output_object_block)
9474 (output_object_block_htab, output_object_blocks): New functions.
9475 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9476 (TARGET_ASM_OUT): Include it.
9477 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9478 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9479 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9480 (TARGET_INITIALIZER): Include them.
9481 * rtl.c (rtl_check_failed_block_symbol): New function.
9482 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9483 (block_symbol, object_block): New structures.
9484 (rtx_def): Add a block_symbol field to the union.
9485 (BLOCK_SYMBOL_CHECK): New macro.
9486 (rtl_check_failed_block_symbol): Declare.
9487 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9488 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9489 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9490 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9491 * output.h (output_section_symbols): Declare.
9492 (object_block): Name structure.
9493 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9494 (default_use_anchors_for_symbol_p): Declare.
9495 * Makefile.in (RTL_BASE_H): Add vec.h.
9496 (explow.o): Depend on output.h.
9497 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9498 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9499 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9500 (rs6000_use_blocks_for_constant_p): New function.
9502 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9504 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9506 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9509 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9512 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9514 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9518 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9521 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9522 instead of DECL_REGISTER.
9524 2006-02-18 Olivier Hainque <hainque@adacore.com>
9527 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9529 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9532 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9533 * opth-gen.awk: Handle Var and InverseMask together.
9534 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9535 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9536 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9537 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9539 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9540 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9541 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9542 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9543 LINUX_DYNAMIC_LINKER): Define.
9544 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9545 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9547 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9548 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9549 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9551 (TARGET_C99_FUNCTIONS): Don't define.
9552 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9553 GLIBC_DYNAMIC_LINKER.
9554 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9555 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9556 GLIBC_DYNAMIC_LINKER64): Define.
9557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9558 LINUX_DYNAMIC_LINKER64.
9559 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9561 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9563 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9565 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9566 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9567 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9569 and LINUX_DYNAMIC_LINKER32.
9570 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9572 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9574 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9576 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9577 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9578 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9579 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9580 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9581 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9582 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9583 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9584 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9585 LINUX_DYNAMIC_LINKER): Define.
9586 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9587 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9588 GLIBC_DYNAMIC_LINKER64): Define.
9589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9590 LINUX_DYNAMIC_LINKER64.
9591 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9592 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9593 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9594 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9595 LINUX_DYNAMIC_LINKER): Define.
9596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9597 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9598 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9599 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9600 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9601 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9602 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9603 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9604 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9605 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9607 * doc/invoke.texi (-muclibc): Remove caveat about supported
9610 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9612 * doc/cpp.texi (__TIMESTAMP__): Document.
9614 2006-02-17 Roger Sayle <roger@eyesopen.com>
9617 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9618 C is one less than the width of X (and related transformations).
9619 * simplify-rtx.c (simplify_unary_operation_1): Transform
9620 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9621 depending on STORE_FLAG_VALUE, were C is one less then the
9624 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9626 Fix PR tree-optimization/26341
9627 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9628 about NAME_MEMORY_TAG's.
9630 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9633 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9634 with hardware float support, and software float support. Add fcpy
9635 alternative to hardware patterns. Add alternatives to copy between
9636 general and floating-point registers to the 32-bit pattern.
9637 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9638 secondary reload to load a QI or HI mode constant into a floating
9640 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9641 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9643 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9646 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9648 (load_macho_picbase_di): Likewise.
9650 2006-02-16 Jeff Law <law@redhat.com>
9652 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9653 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9654 (ssa_name_nonzero_p): Likewise.
9655 (get_value_range): Return NULL if VRP is not running.
9656 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9657 VRP routines do not discover a range.
9658 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9659 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9660 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9661 (tree_expr_nonnegative_p): Similarly.
9662 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9663 (restore_nonzero_vars_to_original_value): Remove.
9664 (unsafe_associative_fp_binop): Remove.
9665 (tree_ssa_dominator_optimize): Remove initialization and
9666 finalization of nonzero_vars and nonzero_vars_stack.
9667 (dom_opt_initialize_block): No longer push marker on
9669 (dom_opt_finalize_block): No longer call
9670 restore_nonzero_vars_to_original_value.
9671 (record_equivalences_from_phis): No longer look for
9672 nonzero PHI arguments.
9673 (cprop_into_successor_phis): No longer propagate nonzero
9674 property into PHI arguments. Lose unused argument. Caller
9676 (record_equivalences_from_stmt): No longer record nonzero
9677 values for SSA_NAMEs.
9678 (lookup_avail_expr): No longer use nonzero_vars.
9680 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9681 for sizetype when sizetype is unsigned.
9683 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9685 PR rtl-optimization/25603
9686 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9687 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9688 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9689 with new meaning of SETS.
9691 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9696 * config/linux.opt: New file.
9697 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9698 LINUX_DYNAMIC_LINKER): Define.
9699 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9700 * config.gcc (*-*-linux*): Define extra_options.
9701 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9702 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9703 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9704 GLIBC_DYNAMIC_LINKER.
9705 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9706 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9707 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9709 * doc/invoke.texi (GNU/Linux Options): New section.
9711 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9713 * config/sparc/sparc.md (setjmp): Rewrite.
9714 (setjmp_32): Delete.
9715 (setjmp_64): Likewise.
9717 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9719 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9722 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9724 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9727 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9729 PR rtl-optimization/26296
9730 * Makefile.in (loop-invariant.c): Add except.h dependency.
9731 * loop-invariant.c: Include except.h.
9732 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9734 2005-02-16 Paul Brook <paul@codesourcery.com>
9736 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9739 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9741 PR rtl-optimization/25636
9742 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9743 when deciding whether an insn is an initializing insn.
9745 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9747 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9748 (tree_code_size): Ditto.
9749 * tree.h (struct tree_memory_tag): Remove parent_var.
9750 (struct tree_struct_field_tag): New.
9753 (union tree_node): Add sft member.
9754 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9756 (create_sft): Add size and offset argument, set SFT_OFFSET and
9758 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9759 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9760 * tree-flow-inline.h (get_subvar_at): Update for
9761 SFT_OFFSET/SFT_SIZE.
9762 (var_can_have_subvars): Ditto.
9763 (overlap_subvar): Ditto.
9764 * print-tree.c (print_node): Print out interesting things for
9766 * tree-flow.h (struct subvar): Remove offset and size members.
9767 * tree-ssa-operands.c (get_expr_operands): Update for
9768 get_indirect_ref_operands changes.
9769 (get_indirect_ref_operands): Call add_virtual_operand instead of
9770 add_stmt_operand. Only recurse on base var if requested.
9771 (access_can_touch_variable): New function.
9772 (add_stmt_operand): Split virtual operand handling into ...
9773 (add_virtual_operand): Here. Add offset, size, and for_clobber
9774 arguments. Prune alias sets.
9775 (add_call_clobber_ops): Call add_virtual_operand.
9777 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9780 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9782 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9783 than TREE_CODE as index into omp_clause_num_ops array.
9785 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9787 PR rtl-optimization/26184
9788 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9790 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9791 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9792 must_precede, must_follow and tobe_scheduled.
9795 * opts.c (common_handle_option): Free new_option pointer.
9796 * df-core.c (df_analyze): Free postorder pointer.
9798 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9800 * Makefile.in: Fix the examples about the use of stamps
9802 2006-02-15 Michael Matz <matz@suse.de>
9806 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9807 influenced by maximum_field_alignment or DECL_PACKED.
9808 (update_alignment_for_field): Ditto.
9809 (place_field): Ditto.
9810 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9813 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9815 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9816 (debug_flow_info): Pass it.
9817 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9818 * bb-reorder.c (reorder_basic_blocks): Likewise.
9819 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9820 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9821 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9822 * gcse.c (gcse_main, bypass_jumps): Likewise.
9823 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9824 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9825 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9826 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9827 * rtl.h (dump_flow_info): Adjust prototype.
9828 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9829 * var-tracking.c (variable_tracking_main): Likewise.
9830 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9831 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9834 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9836 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9839 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9841 PR tree-optimization/26209
9842 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9843 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9845 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9847 2006-02-14 Roger Sayle <roger@eyesopen.com>
9850 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9851 (X,Y) and the corresponding symmetry related transformations.
9852 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9853 (X,Y) and its symmetry related transformations.
9855 2006-02-14 Roger Sayle <roger@eyesopen.com>
9857 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9860 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9862 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9864 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9867 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9868 support COMDAT group.
9869 * configure: Regenerate.
9871 2006-02-14 Roger Sayle <roger@eyesopen.com>
9876 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9878 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9880 Fix PR tree-optimization/26260
9882 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9884 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9885 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9886 * tree-ssa-structalias.c (create_variable_info_for): Use
9887 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9889 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9891 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9893 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9894 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9895 of the ending condition.
9896 * tree-ssa-loop-manip.c: Include params.h.
9897 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9898 tree_unroll_loop): New functions.
9899 * tree-pass.h (pass_loop_prefetch): Declare.
9900 * loop.c (rest_of_handle_loop_optimize): Test for
9901 -fprefetch-loop-arrays-rtl.
9902 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9903 * timevar.def (TV_TREE_PREFETCH): New timevar.
9904 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9905 pass_loop_prefetch): New.
9906 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9907 (cleanup_tree_cfg_loop): Call scev_reset.
9908 * common.opt (fprefetch-loop-arrays-rtl): Add.
9909 * tree-ssa-loop-prefetch.c: New file.
9910 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9911 (new_temp_expr_table): Initialize expr_vars.
9912 (free_temp_expr_table): Cleanup expr_vars.
9913 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9914 expressions from being merged into one.
9915 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9916 (struct tree_niter_desc): Add control, bound and cmp fields.
9917 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9919 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9920 (tree-cfgcleanup.o): Add SCEV_H dependency.
9921 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9922 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9924 2006-02-14 Richard Guenther <rguenther@suse.de>
9926 PR tree-optimization/26258
9927 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9928 in PHI argument processing.
9930 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9932 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9933 new expression in the requested machine mode.
9935 2006-02-13 Roger Sayle <roger@eyesopen.com>
9937 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9938 directly, instead let do_compare_rtx_and_jump handle this for us.
9939 * expr.c (expand_expr_real_1): Likewise.
9940 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9941 before do_jump_by_parts_greater.
9942 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9943 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9945 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9947 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9949 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9951 PR rtl-optimization/26235
9952 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9953 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9956 2006-02-13 Jeff Law <law@redhat.com>
9958 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9961 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9964 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9965 twice if decl is a builtin. When trying again, call get_callee_fndecl
9966 first to verify it is still a builtin.
9968 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9970 * dwarf2out.c (base_type_die): Don't add AT_name here.
9971 (subrange_type_die): Don't add AT_name here.
9972 (modified_type_die): Rearrange code flow. Do add AT_name here.
9974 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9976 PR rtl-optimization/26247
9977 PR rtl-optimization/26248
9978 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9980 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9982 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9983 * config/fixtfdi.c: Likewise.
9984 * config/fixunstfdi.c: Likewise.
9985 * config/floatditf.c: Likewise.
9987 2006-02-13 Roger Sayle <roger@eyesopen.com>
9990 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9991 into (X,C2) if C1 is a subset of the bits of C2. Transform
9992 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9994 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9996 2006-02-13 Josh Conner <jconner@apple.com>
9999 * varasm.c (function_section): Check for section name before
10000 calling select_section on targets that define
10001 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10002 unlikely_text_section instead of hot_function_section if
10003 first_function_block_is_cold.
10005 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10007 PR middle-end/25335
10008 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10012 PR rtl-optimization/26222
10013 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10014 after tree->rtl expansion.
10015 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10016 before passing it to emit_move_insn.
10018 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10020 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10022 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10023 Clarify documentation.
10024 * c-common.h (warn_write_strings): Remove.
10025 * c-common.c (warn_write_strings): Likewise.
10026 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10029 2006-02-12 Roger Sayle <roger@eyesopen.com>
10031 PR middle-end/25724
10032 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10033 (do_jump_parts_zero_rtx): New function renamed from
10034 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10035 (do_jump_parts_equality_rtx): New function split out from
10036 do_jump_parts_equality. Old implementation renamed as above.
10037 Call do_jump_parts_zero_rtx if either operand is zero.
10038 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10039 do all of the heavy lifting.
10040 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10041 calling either do_jump_by_parts_greater_rtx or
10042 do_jump_by_parts_equality_rtx.
10043 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10044 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10045 moved to do_compare_rtx_and_jump, call it directly.
10046 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10047 mode argument. Call do_compare_rtx_and_jump.
10048 (emit_case_nodes): Update calls to do_jump_if_equal.
10050 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10052 PR rtl-optimization/26225
10053 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10055 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10057 PR rtl-optimization/26232
10058 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10060 2006-02-11 Jason Merrill <jason@redhat.com>
10063 * tree-inline.c (declare_return_variable): Just don't use the
10064 modify target if it's a gimple complex reg and the return slot
10067 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10069 * doc/contrib.texi: Update my entry.
10071 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10073 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10075 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10077 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10080 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10082 * doc/invoke.texi (-floop-optimize2): Removed.
10083 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10084 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10085 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10086 * common.opt (floop-optimize2): Removed.
10087 (fmove-loop-invariants): Enabled by default.
10089 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10091 * tree-if-conv.c (combine_blocks): Free the result of
10092 get_loop_exit_edges.
10094 2006-02-10 Jeff Law <law@redhat.com>
10096 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10098 PR tree-optimization/26213
10099 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10100 loop trying to follow SSA_NAME_VALUE chains.
10102 2006-02-10 Richard Guenther <rguenther@suse.de>
10104 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10105 deal with structures that end in implicitly variable sized arrays.
10107 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10109 PR rtl-optimization/24762
10110 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10113 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10115 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10116 (struct ivopts_data): Add regs_used field.
10117 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10118 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10119 instead of loop_data->regs_used;
10120 (free_loop_data): Do not free aux fields for loops.
10121 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10122 and tree_ssa_iv_optimize_finalize.
10124 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10126 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10128 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10131 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10132 computing the effective result type.
10134 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10136 PR inline-asm/16194
10137 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10138 (tree_overlaps_hard_reg_set): Declare.
10139 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10140 type and signature to match function type expected by walk_tree.
10141 (tree_overlaps_hard_reg_set): New function.
10142 (decl_conflicts_with_clobbers_p): Rename to:
10143 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10144 Use tree_overlaps_hard_reg_set. Changed caller.
10145 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10146 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10147 * cris.c (cris_md_asm_clobbers): Likewise.
10149 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10151 * reload1.c (emit_input_reload_insns): Delete code that tries to
10152 inherit using find_equiv_reg.
10154 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10156 * c-common.h (flag_const_strings): Don't declare.
10157 * c-common.c (flag_const_strings): Remove.
10158 * c.opt (fconst_strings): Remove.
10159 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10160 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10161 (c_common_init_options): Don't set flag_const_strings.
10162 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10164 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10166 * arm.md (tlobits_cbranch): New pattern.
10167 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10168 testing a single bit.
10170 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10173 * tree-ssa-pre.c (create_component_ref_by_pieces):
10174 Handle RETURN_DECL like VAR_DECL.
10176 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10178 PR middle-end/26134
10179 * fold-const.c (fold_indirect_ref_1): Fold
10180 "*(foo *)&complexfoo" to "__real__ complexfoo"
10181 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10183 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10185 * tree-flow-inline.h (var_can_have_subvars):
10186 Volatile variables should not have subvariables.
10188 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10191 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10192 multiplying unsigned values.
10195 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10197 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10199 2006-02-08 Jason Merrill <jason@redhat.com>
10202 * tree.def: Elaborate on difference from MODIFY_EXPR.
10203 * doc/c-tree.texi (INIT_EXPR): Likewise.
10204 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10205 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10206 (gimplify_target_expr): Likewise.
10207 (gimplify_cond_expr): Remove target handling.
10208 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10209 (gimplify_expr): Clobber it here.
10210 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10211 Do return slot optimization if we have an INIT_EXPR.
10214 * tree-inline.c (declare_return_variable): Also clear
10215 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10218 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10220 PR middle-end/22439
10221 * gimplify.c (gimplify_one_sizepos): Fix typo.
10223 2006-02-08 Jeff Law <law@redhat.com>
10225 PR tree-optimization/21417
10226 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10227 across a backedge if the control statement at the end of the
10228 block is data dependent on other statements in the same block.
10229 (record_temporary_equivalences_from_stmts): Remove over-conservative
10230 test for threading across backedges.
10232 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10233 control statement, handle all three special cases in the same
10234 manner as they all have the same desired solution. No longer
10235 special case edge flag updating when the post dominator is
10238 2006-02-08 Roger Sayle <roger@eyesopen.com>
10240 * tree.def (CHAR_TYPE): Remove.
10241 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10242 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10243 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10244 (gen_string_type_die): Delete unreachable function.
10246 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10247 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10248 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10249 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10250 * builtins.c (type_to_class): Likewise.
10251 * fold-const.c (fold_convert, build_range_check,
10252 merge_ranges): Likewise.
10253 * expr.c (count_type_elements): Likewise.
10254 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10255 * stor-layout.c (layout_type): Likewise.
10256 * ipa-type-escape.c (type_to_consider): Likewise.
10257 * gimplify.c (omp_firstprivatize_type_sizes,
10258 gimplify_type_sizes): Likewise.
10259 * explow.c (promote_mode): Likewise.
10260 * tree-sra.c (is_sra_scalar_type): Likewise.
10261 * varasm.c (output_constant): Likewise.
10262 * tree-inline.c (remap_type_1): Likewise.
10263 * convert.c (convert_to_pointer, convert_to_real,
10264 convert_to_integer, convert_to_complex): Likewise.
10266 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10268 * df-scan.c (df_def_record_1): A set destination may
10269 be a parallel regardless of mode.
10271 2006-02-08 Roger Sayle <roger@eyesopen.com>
10274 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10275 * config/mips/_tilib.c: Remove.
10276 * config/fixtfdi.c: New libgcc source file.
10277 * config/fixunstfdi.c: New source file.
10278 * config/floatditf.c: New source file.
10279 * config/floatunditf.c: New souce file.
10280 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10281 files above instead of config/mips/_tilib.c.
10282 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10284 2006-02-08 Jeff Law <law@redhat.com>
10286 PR tree-optimization/26169
10287 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10290 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10292 * df.h (DF_REG_SIZE): Return the length of the initialized
10295 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10297 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10298 __muldf3): Return a correctly signed zero.
10300 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10302 * passes.c (register_one_dump_file): Accept the current properties
10303 instead of pass number. Adjust call to dump_register. Remove
10305 (register_dump_files): Now a wrapper around...
10306 (register_dump_files_1): ... this one. Do not modify the pass
10308 (next_pass_1): Cosmetic fix.
10309 (execute_todo): Keep second parameter only. Use curr_properties
10310 instead of fetching it from the pass structure. Check and set
10312 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10313 instead of fetching it from the pass structure. Fix calls to
10314 execute_todo. Update curr_properties and initialize .vcg RTL dump
10315 after running the pass. Reset last_verified.
10316 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10318 (FIRST_AUTO_NUMBERED_DUMP): New.
10319 (dump_register): Remove "num" parameter, assign it within the
10321 (get_dump_file_name): Modify template for dumps.
10322 * tree-dump.h (dump_register): Adjust prototype.
10323 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10324 (PROP_trees): Add PROP_gimple_lomp.
10325 (TODO_set_props): New.
10326 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10327 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10328 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10330 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10332 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10333 (sparc64-*-linux*): Likewise.
10334 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10335 * config/sparc/t-linux: New file.
10336 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10337 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10338 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10339 -m32 -mlong-double-128.
10341 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10342 * config/alpha/t-linux: New file.
10343 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10345 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10346 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10347 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10348 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10349 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10350 (CPP_ARCH32_SPEC): Remove.
10352 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10354 PR tree-optimization/26145
10355 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10358 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10361 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10362 >= 240000 when generating code for SOM runtime.
10363 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10364 to $$dyncall when generating code for SOM runtime..
10366 2006-02-07 Dirk Mueller <dmueller@suse.com>
10369 * doc/invoke.texi (-Wsequence-point): Update documentation
10370 that -Wsequence-point is implemented for C++ as well.
10372 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10374 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10375 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10376 (LIB_SPEC): Likewise.
10377 * doc/invoke.texi (SPARC options): Document -pthread.
10379 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10381 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10384 2006-02-07 Roger Sayle <roger@eyesopen.com>
10386 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10387 Correct comment describing BOOLEAN_TYPE.
10389 2006-02-07 Dirk Mueller <dmueller@suse.com>
10391 * c.opt: C++ frontend supports -Wdiv-by-zero.
10392 * c-opts.c (c_common_handle_option): Remove dead case.
10394 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10396 * configure.ac (TLS assembler check): Do not enable TLS by
10397 default on SPARC/Solaris before version 10.
10398 * configure: Regenerate.
10400 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10402 * doc/invoke.texi (xl-compat): Document conversion and support
10405 2006-02-07 Jeff Law <law@redhat.com>
10407 * tree-vrp.c (find_conditional_asserts): Update comments.
10408 (simplify_stmt_for_jump_threading): New.
10409 (identify_jump_threads, finalize_jump_threads): New.
10410 (vrp_finalize): Call identify_jump_threads.
10411 (execute_vrp): Call finalize_jump_threads.
10412 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10413 (vrp_element, vrp_data, vrp_element_p): Remove.
10414 (vrp_hash_elt, vrp_variables_stack): Remove.
10415 (vrp_hash, vrp_eq, record_range): Remove.
10416 (simplify_cond_and_lookup_avail_expr): Remove.
10417 (extract_range_from_cond): Remove.
10418 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10419 (simplify_stmt_for_jump_threading): New.
10420 (dom_thread_across_edge): New wrapper.
10421 (tree_ssa_dominator_optimize): No longer initialize or
10422 finalize any of the VRP datastructures. Remove iteration
10423 step and simplify as a result of removal of iteration step.
10424 (pass_dominator): Perform a cfg cleanup after DOM.
10425 (dom_opt_finalize_block): Use the new common routines
10426 for threading jumps. Simplify stack management slightly.
10427 No longer need to unwind VRP state.
10428 (record_equivalences_from_incoming_edge): No longer record
10430 (eliminate_redundant_computations): No longer call
10431 simplify_cond_and_lookup_avail_expr.
10432 * tree-flow.h (potentially_threadable_block): Prototype.
10433 (thread_across_edge): Likewise.
10434 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10435 (tree-ssa-threadedge.o): Add dependencies.
10436 * tree-ssa-threadedge.c: New file.
10437 * passes.c (init_optimization_passes): Merge PHIs before
10438 calling VRP. Run VRP again late in the SSA optimization pipeline.
10440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10442 * df-core.c (df_set_blocks): Do not dereference function pointers.
10443 (df_finish1): Likewise.
10444 (df_hybrid_search_forward): Likewise.
10445 (df_hybrid_search_backward): Likewise.
10446 (df_iterative_dataflow): Likewise.
10447 (df_analyze_problem): Likewise.
10448 (df_compact_blocks): Likewise.
10449 (df_dump): Likewise.
10450 * df-scan.c (df_rescan_blocks): Likewise.
10451 (df_record_entry_block_defs): Likewise.
10453 * genconditions.c (write_conditions): Guard the definition of
10454 'insn_conditions' with the check on GCC version.
10455 (write_writer): Guard the traversal 'insn_conditions' with
10456 the check on GCC version.
10458 2006-02-07 Richard Guenther <rguenther@suse.de>
10462 2006-01-30 Richard Guenther <rguenther@suse.de>
10464 * gimplify.c (gimplify_target_expr): Handle easy cases
10465 without creating a temporary.
10467 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10469 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10470 use of float in probability computations. Use edge probabilities
10471 in place of statically computed probabilities.
10472 (min_spec_prob): New static variable.
10473 (schedule_insns): Initialize it.
10474 (GET_SRC_PROB): Removed.
10475 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10477 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10480 * config/ia64/unwind-ia64.c: Revert last change.
10481 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10482 (INCOMING_FRAME_SP_OFFSET): Define.
10484 2006-02-06 Roger Sayle <roger@eyesopen.com>
10486 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10488 2006-02-07 Ben Elliston <bje@au.ibm.com>
10490 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10491 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10492 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10493 (ix86_return_in_memory): Handle TDmode.
10494 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10495 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10497 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10499 * reorg.c (dbr_schedule): Use dump_file instead of file.
10501 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10504 * config/ia64/predicates.md (extr_len_operand): New predicate.
10505 * config/ia64/ia64.md (extv): Tighten constraints.
10507 (*tbit_and_2): Ditto.
10508 (*tbit_and_3): Ditto.
10509 (*tbit_or_2): Ditto.
10510 (*tbit_or_3): Ditto.
10511 (*bit_zero): Ditto.
10514 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10517 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10519 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10521 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10522 loop_optimizer_init and loop_optimizer_finalize
10523 * tree-ssa-sink.c (execute_sink_code): Ditto.
10524 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10525 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10526 tree_ssa_loop_done): Ditto.
10527 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10528 * sched-ebb.c: Include output.h.
10529 (schedule_ebbs): Do not use dump argument.
10530 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10531 * loop.c (loop_dump_stream): Removed.
10532 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10534 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10535 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10536 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10537 loop_iterations, strength_reduce, record_biv, record_giv,
10538 final_giv_value, check_final_value, check_ext_dependent_givs,
10539 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10540 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10541 dump_file instead of loop_dump_stream.
10542 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10543 argument dump_file.
10544 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10546 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10547 * haifa-sched.c: Include output.h
10548 (schedule_insns, sched_init): Do not use dump argument.
10549 * mode-switching.c (optimize_mode_switching): Ditto.
10550 * modulo-sched.c (stats_file): Removed.
10551 (print_node_sched_params): Do not call argument dump_file.
10552 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10553 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10555 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10557 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10558 rtl_loop_init, rtl_loop_done): Ditto.
10559 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10560 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10562 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10563 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10564 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10565 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10566 * emit-rtl.c (renumber_insns): Ditto.
10567 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10568 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10569 * regclass.c (regclass): Ditto.
10570 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10571 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10572 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10573 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10575 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10576 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10578 * gcse.c (gcse_file, debug_stderr): Removed.
10579 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10580 rest_of_handle_gcse): Do not use dump argument.
10581 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10582 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10583 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10584 compute_code_hoist_vbeinout, compute_code_hoist_data,
10585 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10586 compute_store_table, build_store_vectors, insert_insn_start_bb,
10587 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10588 store_motion): Use dump_file instead of gcse_file.
10589 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10590 * profile.c (profile_dump_file): Removed.
10591 (branch_prob): Use dump_file instead of profile_dump_file.
10592 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10594 * tree-ssa-copy.c (dump_copy_of): Ditto.
10595 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10596 dump file to life_analysis.
10597 * bt-load.c (branch_target_load_optimize): Ditto.
10598 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10600 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10601 regclass, dbr_schedule): Declaration changed.
10602 * sched-int.h (sched_init): Declaration changed.
10603 * tree-profile.c (tree_profile_dump_file): Removed.
10604 (tree_profile_hooks): Removed profile_dump_file hook.
10605 * rtl-profile (rtl_profile_dump_file): Removed.
10606 (rtl_profile_hooks): emoved profile_dump_file hook.
10607 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10609 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10610 * tree-cfg.c (build_tree_cfg): Ditto.
10611 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10612 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10613 Declaration changed.
10614 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10615 life_analysis and schedule_insns.
10616 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10618 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10620 * config/mips/mips.c (mips_reorg): Ditto.
10621 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10624 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10626 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10627 (s390_mangle_fundamental_type): New.
10628 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10631 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10632 (alpha_mangle_fundamental_type): New.
10633 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10636 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10638 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10640 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10641 (sparc_mangle_fundamental_type): New.
10643 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10645 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10646 (s390x-*-linux*): Likewise.
10647 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10648 * config/s390/t-linux: New file.
10650 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10652 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10653 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10655 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10657 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10658 (ANTIC_SAFE_LOADS): New macro.
10659 (find_or_generate_expression): Add prototype.
10660 (set_contains_value): Allow null set for sake of not always having
10661 to allocate ANTIC_SAFE_LOADS.
10662 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10663 Allow COMPONENT_REF too.
10664 (valid_in_set): Allow COMPONENT_REF.
10665 Check ANTIC_SAFE_LOADS too.
10666 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10667 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10669 (can_PRE_operation): Add COMPONENT_REF.
10670 (create_component_ref_by_pieces): New function.
10671 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10672 (insert_aux): Move AGGREGATE_TYPE_P check here.
10673 (compute_avail): Set bb local stmt uids.
10674 (pass_pre): Use TODO_update_ssa_only_virtuals.
10676 2006-02-06 Ben Elliston <bje@au.ibm.com>
10678 * configure.ac: Unconditionally disable decimal float by default.
10679 * configure: Regenerate.
10681 2006-02-06 Ben Elliston <bje@au.ibm.com>
10683 * read-rtl.c (read_name): Terminate reading on EOF.
10685 2006-02-06 Ben Elliston <bje@au.ibm.com>
10687 * dfp.c (decimal_real_arithmetic): Change second argument type
10688 from int to enum tree_code. Do not always return true, but now
10689 return result of any call to decimal_do helper functions.
10690 * dfp.h (decimal_real_arithmetic): Update prototype.
10692 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10694 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10696 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10699 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10702 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10704 * tree-vrp.c (cfg_loops): Removed.
10705 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10706 Use current_loops instead of cfg_loops. Pass flags to
10707 loop_optimizer_init.
10708 * cfgloopmanip.c (fix_loop_structure): Update only available
10710 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10711 loop_optimizer_init.
10712 * modulo-sched.c (build_loops_structure): Removed.
10713 (sms_schedule): Use loop_optimizer_init.
10714 * loop-init.c (loop_optimizer_init): Use flags to determine
10715 which properties of loops to prepare.
10716 (rtl_loop_init): Pass flags to loop_optimizer_init.
10717 * tree-ssa-sink.c (execute_sink_code): Ditto.
10718 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10719 * tree-ssa-pre.c (init_pre): Ditto.
10720 * cfgloop.h (LOOPS_NORMAL): New.
10721 (loop_optimizer_init): Declaration changed.
10723 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10725 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10726 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10728 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10730 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10732 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10733 * pa/t-pa64: Delete quadlib.c rule.
10734 * pa/x-ada: Revert last change.
10735 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10737 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10739 PR rtl-optimization/26087
10740 * rtlanal.c (canonicalize_condition): Do not cross basic block
10743 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10746 * config/ia64/ia64.c: Include debug.h.
10747 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10748 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10749 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10750 (process_epilogue, process_set, process_for_unwind_directive):
10751 Output unwind info only if requested. Add CFA info if requested.
10752 Add new arguments as needed. Adjust callers.
10753 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10755 (DWARF2_FRAME_INFO): Define to zero.
10756 * config/ia64/unwind-ia64.c: Remove code that compensated for
10757 the CFA offset error fixed above.
10758 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10759 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10760 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10761 -funwind-tables and -fexceptions to enable frame info.
10762 (dwarf2out_frame_init): Define initial CFA even if
10763 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10764 DWARF2_UNWIND_INFO is nonzero, not just defined.
10765 (dwarf2out_frame_finish): Output non-EH call frame info only
10766 if DWARF2_FRAME_INFO is nonzero.
10767 (convert_cfa_to_loc_list,
10768 compute_frame_pointer_to_cfa_displacement): Define even if
10769 unwind info is not supported.
10770 (gen_subprogram_die): Use the above unconditionally. Remove
10771 legacy alternate code.
10772 * toplev.c (compile_file): Compile in call to
10773 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10774 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10776 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10777 Jakub Jelinek <jakub@redhat.com>
10779 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10780 IBM extended float format long double as "g" on powerpc*-linux.
10782 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10785 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10786 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10788 2006-02-03 Jason Merrill <jason@redhat.com>
10791 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10793 PR middle-end/25977
10794 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10795 on the return slot if it's an NRV.
10797 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10799 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10800 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10801 rewrite_use): Do not handle USE_OUTER.
10802 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10803 add_iv_outer_candidates, may_replace_final_value,
10804 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10805 (find_interesting_uses_op): Functionality of
10806 find_interesting_uses_outer_or_nonlin moved here.
10807 (find_interesting_uses_outside): Use find_interesting_uses_op.
10809 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10812 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10814 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10815 Ulrich Weigand <uweigand@de.ibm.com>
10818 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10819 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10820 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10821 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10823 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10824 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10825 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10826 Define secondary reloads for TFmode moves.
10827 (constant_modes): Add TFmode.
10828 (NR_C_MODES): Set to 8.
10829 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10831 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10832 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10833 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10834 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10835 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10836 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10837 (FPR mode macro): Add TFmode.
10838 (DSF mode macro): New.
10839 (<de>, <dee> mode attributes): Removed.
10840 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10841 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10842 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10843 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10844 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10845 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10846 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10847 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10848 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10849 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10850 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10851 "*negabs<mode>2", "sqrt<mode>2"):
10852 Changed <de> to <xde>. R constraint replaced by <Rf>.
10853 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10855 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10856 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10857 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10859 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10860 "extenddftf2", "extendsftf2"): New expanders.
10861 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10862 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10863 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10864 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10866 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10867 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10868 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10869 __floatditf): Add a GCC_4.1.0 symbol version tag.
10870 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10873 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10876 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10877 Use targetm.binds_local_p instead of TREE_PUBLIC.
10879 2006-02-02 Roger Sayle <roger@eyesopen.com>
10881 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10882 on INTEGER_TYPEs to indicate that it denotes a character type.
10883 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10884 signed_char_type_node, unsigned_char_type_node and char_type_node.
10885 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10886 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10887 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10889 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10890 Daniel Berlin <dberlin@dberlin.org>
10892 * tree-tailcall.c (arg_needs_copy_p): New function.
10893 (eliminate_tail_call): Use arg_needs_copy_p.
10894 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10895 (add_virtual_phis): New function.
10897 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10899 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10900 #ignore instead of #scratch for %g7 .register directive.
10902 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10904 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10907 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10909 * flow.c (calculate_global_regs_live): Assert that there aren't any
10912 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10914 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10915 what its name says.
10916 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10917 bsi_after_labels iterator.
10918 * tree-if-conv.c (find_phi_replacement_condition,
10919 replace_phi_with_cond_modify_expr): Likewise.
10920 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10921 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10923 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10925 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10927 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10930 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10931 array after growing it.
10933 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10935 PR middle-end/24901
10936 * fold-const.c (fold_checksum_tree): Change type of buf.
10938 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10940 * reload.c (push_secondary_reload): Initialize t_icode.
10942 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10944 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10945 -msoft-float -mlong-double-128 only issue a warning, but don't
10946 swich to DFmode long double.
10948 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10950 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10951 has a constant equivalent, iterate over equivalents for arg0,
10952 calling simplify_relational_operation and if there's a result
10953 cheaper than X, apply fold_rtx and return the result.
10955 2006-02-01 Jan Hubicka <jh@suse.cz>
10957 * opts.c (no_unit_at_a_time_default): New global variable.
10958 (decode_options): Use it.
10959 * opts.h (no_unit_at_a_time_default): Declare.
10961 2006-02-01 Paul Brook <paul@codesourcery.com>
10963 * function.c (assign_parm_setup_reg): Use function argument promotion
10965 * expr.c (expand_expr_real_1): Use function argument promotion rules
10968 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10970 * gcc.c (process_command): Change j to 'unsigned int'.
10972 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10974 PR middle-end/26001
10975 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10976 Use the corrected index for the character
10977 out of the string constant.
10979 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10981 * mode-switching.c (optimize_mode_switching): Fix size
10982 allocated for bb_info[n_entities].
10984 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10986 * gcc.c (main): Correct type that is allocated for
10987 explicit_link_files.
10989 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10991 * config/s390/s390.c (init_alignment_context): Set
10992 ALIAS_SET_MEMORY_BARRIER on the MEM.
10993 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10995 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10997 PR middle-end/25933
10998 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11000 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11003 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11005 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11006 * regrename.c: Ditto.
11007 * tree-ssa-loop-im.c: Ditto.
11008 * tree-dump.c: Ditto.
11009 * tree-complex.c: Ditto.
11010 * genrecog.c: Ditto.
11011 * tree-ssa-threadupdate.c: Ditto.
11013 * java/class.c: Ditto.
11014 * java/jcf-parse.c: Ditto.
11015 * java/resource.c: Ditto.
11016 * java/except.c: Ditto.
11017 * java/jvspec.c: Ditto.
11018 * java/jcf-write.c: Ditto.
11019 * java/jcf-path.c: Ditto.
11020 * java/gjavah.c: Ditto.
11021 * java/zextract.c: Ditto.
11022 * java/jcf-io.c: Ditto.
11023 * java/jcf.h: Ditto.
11024 * java/buffer.c: Ditto.
11025 * java/lang.c: Ditto.
11026 * java/parse-scan.y: Ditto.
11027 * java/lex.c: Ditto.
11028 * java/lex.h: Ditto.
11029 * cfgloopmanip.c: Ditto.
11030 * postreload-gcse.c: Ditto.
11031 * tree-ssa-loop-manip.c: Ditto.
11032 * postreload.c: Ditto.
11033 * tree-ssa-loop-ch.c: Ditto.
11036 * cppspec.c: Ditto.
11037 * diagnostic.c: Ditto.
11039 * genoutput.c: Ditto.
11041 * cfghooks.c: Ditto.
11042 * cfgloopanal.c: Ditto.
11043 * objc/objc-act.c: Ditto.
11045 * genextract.c: Ditto.
11046 * genautomata.c: Ditto.
11047 * pretty-print.c: Ditto.
11048 * genemit.c: Ditto.
11049 * cgraphunit.c: Ditto.
11051 * df-scan.c: Ditto.
11052 * haifa-sched.c: Ditto.
11053 * dominance.c: Ditto.
11055 * tree-ssa-loop-ivopts.c: Ditto.
11056 * df-core.c: Ditto.
11057 * mode-switching.c: Ditto.
11058 * modulo-sched.c: Ditto.
11060 * ipa-pure-const.c: Ditto.
11062 * fix-header.c: Ditto.
11064 * tree-stdarg.c: Ditto.
11065 * ipa-utils.c: Ditto.
11066 * loop-init.c: Ditto.
11067 * ipa-inline.c: Ditto.
11068 * cfganal.c: Ditto.
11070 * alloc-pool.c: Ditto.
11071 * dwarf2out.c: Ditto.
11073 * genattrtab.c: Ditto.
11074 * tree-ssa-loop-ivcanon.c: Ditto.
11075 * predict.c: Ditto.
11076 * timevar.c: Ditto.
11078 * fortran/gfortranspec.c: Ditto.
11079 * regmove.c: Ditto.
11080 * local-alloc.c: Ditto.
11081 * langhooks.c: Ditto.
11082 * function.c: Ditto.
11083 * tree-vectorizer.c: Ditto.
11085 * ipa-type-escape.c: Ditto.
11087 * tree-if-conv.c: Ditto.
11088 * profile.c: Ditto.
11090 * tree-data-ref.c: Ditto.
11091 * loop-unroll.c: Ditto.
11092 * treelang/treetree.c: Ditto.
11094 * bt-load.c: Ditto.
11095 * ggc-common.c: Ditto.
11097 * coverage.c: Ditto.
11099 * tree-cfgcleanup.c: Ditto.
11100 * tree-ssa-pre.c: Ditto.
11101 * cfgcleanup.c: Ditto.
11102 * loop-invariant.c: Ditto.
11103 * loop-iv.c: Ditto.
11104 * ipa-prop.c: Ditto.
11105 * print-tree.c: Ditto.
11106 * conflict.c: Ditto.
11107 * ggc-page.c: Ditto.
11108 * sched-deps.c: Ditto.
11109 * regclass.c: Ditto.
11110 * tree-object-size.c: Ditto.
11111 * combine.c: Ditto.
11112 * bb-reorder.c: Ditto.
11113 * resource.c: Ditto.
11114 * var-tracking.c: Ditto.
11115 * cfgloop.c: Ditto.
11116 * df-problems.c: Ditto.
11117 * reg-stack.c: Ditto.
11119 * gccspec.c: Ditto.
11120 * sched-rgn.c: Ditto.
11121 * tree-ssa-structalias.c: Ditto.
11122 * tree-ssa-reassoc.c: Ditto.
11123 * config/darwin-c.c: Ditto.
11124 * config/darwin.c: Ditto.
11125 * config/arm/arm.c: Ditto.
11127 * collect2.c: Ditto.
11128 * reload1.c: Ditto.
11130 2006-01-31 Nicolas Pitre <nico@cam.org>
11132 * arm.md (smaxsi3): Make aware of smax_m1.
11135 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11137 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11139 2006-01-31 Richard Guenther <rguenther@suse.de>
11141 * doc/invoke.texi (-msselibm): Document.
11142 * target.h (expand_library_builtin): New target hook.
11143 * builtins.c (expand_builtin): Use expand_library_builtin.
11144 (default_expand_library_builtin): New function.
11145 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11146 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11147 (link_gcc_math_spec): Declare.
11148 (static_specs): Add link_gcc_math_spec.
11149 * expr.h (default_expand_library_builtin): Declare.
11150 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11151 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11152 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11153 * config/i386/i386.opt (msselibm): New target option.
11154 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11155 (ix86_init_sse_abi_builtins): New function.
11156 (ix86_expand_library_builtin): Likewise.
11157 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11158 (override_options): Handle error conditions wrt -msselibm.
11159 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11160 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11161 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11164 2006-01-31 Richard Guenther <rguenther@suse.de>
11165 Paolo Bonzini <bonzini@gnu.org>
11167 * doc/install.texi (--disable-libgcc-math): Document.
11169 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11171 * expr.h (expand_normal): new inline function.
11172 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11173 * dojump.c: use it.
11174 * dwarf2out.c: use it.
11177 * expmed.c: use it.
11178 * except.c: use it.
11179 * config/sparc/sparc.c: use it.
11180 * config/i386/i386.c: use it.
11181 * config/rs6000/rs6000.c: use it.
11182 * config/arm/arm.c: use it.
11183 * config/mips/mips.c: use it.
11184 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11186 2006-01-30 Roger Sayle <roger@eyesopen.com>
11188 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11189 argv to the appropriate type.
11191 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11193 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11196 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11199 * config/s390/s390.c (struct machine_function): New flag
11200 decomposed_literal_pool_addresses_ok_p.
11201 (s390_reorg): Set it before final stage of literal pool transforms.
11202 (s390_decompose_address): Only accept displacements of the form
11203 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11205 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11207 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11208 the comparison routine return.
11210 2006-01-30 Michael Matz <matz@suse.de>
11212 * global.c (find_reg): Only evict for global regs.
11213 Take n_refs into account and dump more info.
11215 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11218 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11219 (pragma_trap, pragma_nosave_low_regs): Likewise.
11220 (current_function_anonymous_args): Likewise.
11221 (sh_deferred_function_attributes): New variable.
11222 (sh_deferred_function_attributes_tail): Likewise.
11223 (print_operand): For '@', look up trap_exit attribute.
11224 (calc_live_regs): Look up trapa_handler attribute. For trapa
11225 handlers, save/restore fpscr, but don't do any other
11226 interrupt-specific saves.
11227 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11228 Fix check for partially saved registers to check for SHmedia.
11229 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11230 (sh_output_function_epilogue): Don't clear any of the removed
11232 (sh_insert_attributes): Don't check pragma_interrupt.
11233 Insert deferred attributes. Check that interrupt attribute is
11234 present for other attributes that require its presence.
11235 (sh_attribute_table): Add new attributes trapa_handler and
11237 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11238 Don't check for pragma_interrupt. Don't store argument.
11239 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11240 (sh_deferred_function_attributes): Declare.
11241 (sh_deferred_function_attributes_tail): Likewise.
11242 * sh.md (sp_switch_1): Add operand. Change generator caller.
11243 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11244 (*return_i): Don't use when trap_exit attribute is in effect.
11245 (*return_trapa): New insn pattern.
11246 * sh-c.c: New file.
11247 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11248 setting c_target_objs and cxx_target_objs.
11249 * t-sh: Add rule for sh-c.o.
11251 2006-01-30 Richard Guenther <rguenther@suse.de>
11254 * gimplify.c (gimplify_target_expr): Handle easy cases
11255 without creating a temporary.
11257 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11259 * vec.h (safe_grow): Remove duplicated line.
11261 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11264 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11265 (expand_omp): ... here.
11266 (expand_omp_parallel): Only remove barriers for combined
11267 parallel+workshare constructs.
11269 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11273 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11274 * tree.c (build_qualified_type): Chain the new type to the original
11275 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11276 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11277 (build_pointer_type_for_mode): Only return unqualified types.
11278 (build_reference_type_for_mode): Likewise.
11280 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11282 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11283 * Makefile.in (CXX_COMPAT_WARN): Define.
11284 * configure: Regenerate.
11286 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11289 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11292 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11294 * toplev.c: Fix thinko.
11296 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11297 Marcin Dalecki <martin@dalecki.de>
11299 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11300 (push_srcloc): Use XNEW.
11301 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11303 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11305 * df-core.c (df_set_blocks): Deleted all variable.
11307 2006-01-28 Ian Lance Taylor <ian@airs.com>
11309 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11310 cgraph_output_pending_asms.
11312 2006-01-28 Zack Weinberg <zackw@panix.com>
11314 * c.opt: Add -W(no-)overlength-strings.
11315 * doc/invoke.texi: Document it.
11316 * c-opts.c (c_common_handle_option): -pedantic implies
11317 -Woverlength-strings, if not explicitly disabled already.
11318 (c_common_post_options): -Woverlength-strings defaults to off, and
11319 is always off for C++.
11320 * c-common.c (fix_string_type): Issue warning about strings longer
11321 than is portable only if warn_overlength_strings. Rearrange code
11322 a little for clarity.
11323 * configure.in: Check for -Wno-overlength-strings as well before
11324 enabling -pedantic in stage 1.
11325 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11326 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11328 * genconditions.c (write_header, write_one_condition)
11329 (write_conditions, write_writer): Consolidate very long strings
11330 that were broken up to fit in C89 portable limit. Don't use
11331 printf when fputs will do.
11333 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11335 * combine.c (simplify_comparison <AND>): Check
11336 TRULY_NOOP_TRUNCATION before start using a subreg.
11338 * config/mips/mips.md (*branch_zero<mode>,
11339 *branch_zero<mode>_inverted, *branch_equality<mode>,
11340 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11341 Remove mode check from comparisons.
11343 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11345 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11347 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11349 * expmed.c (const_mult_add_overflow_p): Remove.
11350 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11352 * recog.c (validate_replace_rtx_subexp): Remove.
11353 * recog.h: Remove the prototype for
11354 validate_replace_rtx_subexp.
11356 * integrate.h: Remove the prototype for
11357 copy_decl_for_inlining.
11358 * rtl.h: Remove the prototype for mark_constant_function.
11359 * tree-vectorizer.h: Remove the prototype for
11360 vect_strip_conversion.
11362 * modulo-sched.c (create_partial_schedule,
11363 free_partial_schedule, reset_partial_schedule): Make them
11366 * hooks.c (hook_bool_rtx_int_false): Remove.
11367 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11369 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11371 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11372 and -mlong-double-128 are incompatible.
11373 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11374 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11375 (TARGET_LIBGCC2_CFLAGS): Define.
11376 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11377 (TARGET_LIBGCC2_CFLAGS): Same.
11378 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11380 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11383 * c-typeck.c (build_binary_op): Perform implicit casts of
11384 operands before shortening them.
11386 * cfgloopmanip.c (split_loop_bb): Remove.
11387 * cfgloop.h: Remove the prototype for split_loop_bb.
11389 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11390 * cfgloop.h: Remove the prototype for
11391 flow_loop_outside_edge_p.
11393 * emit-rtl.c (init_virtual_regs): Make it static.
11394 * function.h: Remove the prototype for init_virtual_regs.
11396 * recog.c (peephole2_optimize): Make it static.
11397 * recog.h: Remove the prototype for peephole2_optimize.
11399 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11401 * df-scan.c (df_record_entry_block_defs): Check if
11402 INCOMING_RETURN_ADDR_RTX is defined.
11404 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11405 Kenneth Zadeck <zadeck@naturalbridge.com>
11407 PR rtl-optimization/24762
11408 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11409 * targhooks.c (hook_void_bitmap): New hook prototype.
11410 * targhoohs.h (hook_void_bitmap): Ditto.
11411 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11412 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11413 * target.h (live_on_entry): New function pointer.
11414 * df-scan.c (df_all_hard_regs): Removed.
11415 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11416 (df_scan_free_internal): Added df->entry_block_defs.
11417 (df_scan_alloc): Ditto.
11418 (df_scan_dump): Ditto.
11419 (df_uses_record): Plumbed flag field properly thru calls.
11420 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11421 This part fixes PR24762.
11422 (df_bb_refs_record): Added code to make the frame and arg
11423 pointers live in EH blocks.
11424 (df_refs_record): Added call to df_record_entry_block_defs.
11425 (df_record_entry_block_defs): New function.
11426 * df-core.c: Added comments to describe new artifical defs.
11427 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11428 (entry_block_defs): New field in struct df.
11429 (df_all_hard_regs): Deleted.
11430 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11431 * df-problems.c (df_ru_bb_local_compute_process_def):
11432 Added code to handle artifical defs in the entry to a function.
11433 (df_ru_bb_local_compute): Ditto.
11434 (df_rd_bb_local_compute_process_def): Ditto.
11435 (df_rd_bb_local_compute): Ditto.
11436 (df_lr_bb_local_compute): Ditto.
11437 (df_ur_bb_local_compute): Ditto.
11438 (df_urec_bb_local_compute): Ditto.
11439 (df_chain_create_bb): Ditto.
11440 (df_ur_local_finalize): Removed entry.
11441 (df_urec_init): Ditto.
11442 (df_urec_local_finalize): Ditto.
11443 (df_ri_bb_compute): Added detection of last use of pseudos.
11444 * Makefile.in (df-scan.o): Updated dependencies.
11445 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11446 * config/mips/mips.c (mips_set_live_on_entry): Added.
11447 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11449 * dce.c (marked_insn_p): Added code to handle artifical defs.
11451 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11453 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11455 (_mm_cvtsi128_si64): Likewise.
11456 (_mm_cvtsd_si64): Likewise.
11457 (_mm_cvttsd_si64): Likewise.
11458 (_mm_cvtsi64_sd): Likewise.
11459 (_mm_cvtsi64_si128): Likewise.
11460 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11461 (_mm_cvtsi64_m64): Likewise.
11462 (_m_to_int64): Likewise.
11463 (_mm_cvtm64_si64): Likewise.
11464 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11465 (_mm_cvttss_si64): Likewise.
11466 (_mm_cvtsi64_ss): Likewise.
11467 (_mm_cvtss_f32): Likewise.
11469 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11471 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11472 for pragma redefine_extname.
11474 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11477 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11478 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11479 -mno-minimal-toc to previous content.
11480 (bispecs): Remove goal.
11481 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11482 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11483 compatibility aliases on powerpc-*-*gnu*.
11484 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11485 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11486 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11487 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11488 (ldblspecs): New goal.
11489 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11490 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11492 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11493 L_sf_to_tf or L_df_to_tf is defined.
11495 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11496 Alan Modra <amodra@bigpond.net.au>
11499 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11500 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11501 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11502 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11503 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11504 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11505 (rs6000_override_options): Initialize rs6000_ieeequad.
11506 Initialize TFmode format to ibm_extended_format if not
11508 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11510 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11511 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11512 (function_arg_advance): IBM long double passed in two FPRs, not
11514 (function_arg): IBM long double passed in FPRs.
11515 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11516 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11517 Only multireg GPR aligned.
11518 (rs6000_init_libfuncs): Enable IBM long double functions if not
11520 (rs6000_generate_compare): Use IBM long double compare if not
11522 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11523 (TARGET_IEEEQUAD): Define.
11524 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11525 not TARGET_IEEEQUAD.
11526 * config/rs6000/rs6000.md: Enable TFmode patterns if
11528 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11529 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11530 and -mlong-double-128 are incompatible.
11531 * doc/invoke.texi (-mabi): Collect options together. Add
11532 ibmlongdouble and ieeelongdouble.
11534 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11536 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11538 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11539 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11540 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11541 * rtl.h (rtunion_def): Remove rt_ptr.
11543 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11544 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11545 * config/i386/winnt.c (i386_pe_mark_dllexport)
11546 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11548 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11550 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11552 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11556 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11557 pthread_key_delete. From John David Anglin. gthrw-ify
11558 pthread_getunique_np only if it it's not a macro. Delete
11560 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11561 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11562 __gthread_objc_condition_signal, __gthread_key_delete): Add
11563 "__attribute__ ((__unused__))" to unused arguments.
11564 (__gthread_recursive_mutex_init_function): Add missing return.
11565 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11566 gthr-posix95.h: Use macro-based approach for name redirection
11567 on targets missing weakref.
11569 2006-01-26 Zack Weinberg <zackw@panix.com>
11571 * genconditions.c (write_header): In generated code, #ifdef out
11572 all includes and fake declarations, except includes of bconfig.h
11573 and system.h, unless GCC_VERSION >= 3001. Do not include
11574 gensupport.h in any case.
11575 (write_conditions): Generate a definition of struct c_test. Add
11576 a comment to the generated #endif.
11577 (write_one_condition): Escape backslashes in string too.
11578 (write_writer): Generated code must escape backslashes and quote
11579 marks (but not newlines) in the strings it writes.
11580 * Makefile.in (build/gencondmd.o): Update dependencies.
11582 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11585 * Makefile.in (insn-automata.o): Add header file dependencies.
11586 * genautomata.c: Add includes.
11588 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11591 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11593 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11595 * configure.ac: Expect target tools paths to be passed from the toplevel
11596 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11598 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11600 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11603 * c.opt (Wpointer-sign): Init to -1.
11604 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11605 OPT_pedantic, to 0 otherwise.
11606 * doc/invoke.texi: Update.
11608 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11610 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11611 constants provided by 80387 instructions in the destination mode.
11613 2006-01-26 Richard Guenther <rguenther@suse.de>
11614 Andrew Pinski <pinskia@physics.uc.edu>
11617 partial PR tree-opt/17064
11618 * tree-ssa-structalias.c (intra_create_variable_infos):
11619 Create heap variables for incoming parameters if
11620 flag_argument_noalias > 1.
11621 (find_what_p_points_to): Look through default defs of
11624 2006-01-26 Jeff Law <law@redhat.com>
11627 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11628 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11629 within the VR_RANGE, use the VR_RANGE as the result, not the
11631 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11632 bounds for the type.
11634 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11636 * tree-ssa-alias.c (maybe_create_global_var): Change
11637 subvar walking to an assertion that we don't have subvar'd variables.
11639 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11642 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11643 Use a new variable, inner. PARM_DECLs are always non-weak.
11645 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11647 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11648 --disable-checking.
11650 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11652 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11654 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11656 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11657 (smax_insn, smin_insn, smax_0, smin_0): New.
11659 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11662 * config/cris/cris.c (cris_order_for_addsi3): New function.
11663 * config/cris/cris-protos.h: Prototype it.
11664 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11665 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11666 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11667 (split for "op.S1 [rx=rx+i],ry (swapped)")
11668 (split for "op(s|u).S1 [rx=rx+i],ry")
11669 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11670 Apply cris_order_for_addsi3 when generating addsi3 insns.
11672 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11674 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11675 (TREE_BLOCK): Add call to EXPR_CHECK.
11677 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11680 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11681 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11682 (dump_omp_clauses): ... here.
11683 (dump_generic_node): Handle OMP_CLAUSE.
11684 * tree.c (omp_clause_num_ops): New.
11685 (omp_clause_code_name): New.
11686 (tree_code_size): Handle OMP_CLAUSE.
11687 (tree_size): Likewise.
11688 (make_node): Document handling of OMP_CLAUSE.
11689 (tree_node_structure): Handle OMP_CLAUSE.
11690 (omp_clause_check_failed): New.
11691 (omp_clause_range_check_failed): New.
11692 (omp_clause_operand_check_failed): New.
11693 (build_omp_clause): New.
11694 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11695 * tree.h (enum omp_clause_code): Declare.
11696 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11697 (OMP_CLAUSE_RANGE_CHECK): Define.
11698 (OMP_CLAUSE_ELT_CHECK): Define.
11699 (omp_clause_check_failed): Declare.
11700 (omp_clause_operand_check_failed): Declare.
11701 (omp_clause_range_check_failed): Declare.
11702 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11703 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11704 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11705 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11706 (OMP_CLAUSE_IF_EXPR): Likewise.
11707 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11708 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11709 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11710 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11711 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11712 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11713 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11714 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11715 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11716 (OMP_CLAUSE_CODE): Define.
11717 (OMP_CLAUSE_SET_CODE): Define.
11718 (OMP_CLAUSE_CODE): Define.
11719 (OMP_CLAUSE_OPERAND): Define.
11720 (struct tree_omp_clause): Declare.
11721 (union tree_node): Add field 'omp_clause'.
11722 * treestruct.def (TS_OMP_CLAUSE): Define.
11723 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11724 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11725 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11726 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11727 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11728 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11729 (OMP_CLAUSE): Define.
11730 * print-tree.c (print_node): Handle OMP_CLAUSE.
11731 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11732 * c-typeck.c: Likewise.
11733 * gimplify.c: Likewise.
11734 * c-omp.c: Likewise.
11735 * tree-nested.c: Likewise.
11736 * tree-inline.c: Likewise.
11737 * c-parser.c: Likewise.
11738 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11741 2006-01-25 Roger Sayle <roger@eyesopen.com>
11743 PR rtl-optimization/25703
11744 * combine.c (try_combine): Handle zero_extract and strict_low_part
11745 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11747 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11749 * global.c: Fix comment typos.
11751 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11754 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11755 Use output_addr_const instead of assemble_name.
11757 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11759 * Makefile.in (sched-vis.o): Update dependencies.
11760 * haifa-sched.c (sched_finish): Clear current_sched_info.
11761 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11762 (dump_flow_info): Call it.
11763 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11765 * basic-block.h (dump_bb_info): Declare.
11766 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11767 option, and apply options only for dump files whose TDF_RTL,
11768 TDF_TREE, or TDF_IPA bits match.
11769 * rtl.h: Declare new functions exported from sched-vis.c.
11770 * sched-vis.c: Enable also if scheduling is not used.
11771 (print_value): Print the mode of registers if not inside scheduling.
11772 (print_insn): Make it work outside the scheduler. Beautify the output
11774 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11776 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11778 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11779 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11780 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11781 depending on the value of CONSTANT_POOL_ADDRESS_P.
11782 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11784 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11785 rather than SYMBOL_REF_DECL.
11786 (rtx_constant_pool): Remove const_rtx_sym_htab.
11787 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11788 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11789 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11790 Remove handling of const_rtx_sym_htab.
11791 (find_pool_constant): Delete.
11792 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11793 rather than find_pool_constant.
11794 (get_pool_constant_for_function): Delete.
11795 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11796 find_pool_constant.
11797 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11798 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11799 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11800 (SYMBOL_REF_CONSTANT): New macro.
11801 (get_pool_constant_for_function): Delete.
11802 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11803 rather than SYMBOL_REF_DECL.
11804 (i386_pe_mark_dllimport): Likewise.
11805 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11806 rather than SYMBOL_REF_DECL.
11807 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11808 (machopic_indirect_call_target): Likewise.
11810 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11812 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11814 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11816 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11818 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11820 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11822 2006-01-24 David Daney <ddaney@avtrex.com>
11825 * configure.ac (enable_tls): New enable option.
11826 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11827 * configure: Regenerate.
11828 * doc/install.texi (--enable-tls): Document new option.
11829 (--disable-tls): Ditto.
11831 2006-01-24 Richard Henderson <rth@redehat.com>
11833 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11834 * alias.c (true_dependence): Respect it.
11835 (canon_true_dependence, write_dependence_p): Likewise.
11836 * builtins.c (get_builtin_sync_mem): Set it.
11838 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11840 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11843 2006-01-24 DJ Delorie <dj@redhat.com>
11845 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11846 for storing constants in single-bit bitfields.
11848 2006-01-25 Ben Elliston <bje@au.ibm.com>
11850 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11852 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11855 * tree-ssa-pre.c (phi_translate): Return NULL
11856 for AGGREGATE_TYPE's.
11858 2006-01-24 Zack Weinberg <zackw@panix.com>
11860 * genautomata.c (process_state_for_insn_equiv_partition):
11861 Use xcalloc for insn_arcs_array.
11862 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11863 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11865 2006-01-24 Richard Henderson <rth@redhat.com>
11867 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11868 update all callers.
11870 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11872 PR rtl-optimization/25890
11873 PR rtl-optimization/25905
11874 * combine.c (expand_compound_operation, expand_field_assignment):
11875 Fail if the bitfield's final position is out of bounds.
11877 2006-01-24 Ian Lance Taylor <ian@airs.com>
11879 PR middle-end/25930
11880 * cgraphunit.c (cgraph_output_in_order): Don't clear
11881 cgraph_asm_nodes until after asm strings have been output.
11883 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11885 * fix-header.c (read_scan_file): Add new parameter imultilib when
11886 calling register_include_chains.
11888 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11890 * omp-low.c: Update documentation.
11892 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11893 Daniel Berlin <dberlin@dberlin.org>
11897 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11898 return from the function.
11900 2006-01-22 Zack Weinberg <zackw@panix.com>
11902 * rtl.def (match_code): Add second argument.
11903 * genpreds.c (write_extract_subexp): New function.
11904 (write_match_code): Add path argument. Use write_extract_subexp.
11905 (write_predicate_expr): Pass path to write_match_code.
11906 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11907 not perform a mode test.
11908 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11909 a subexpression does not constrain the top-level code set.
11910 * read-rtl.c (read_rtx_variadic): New function.
11911 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11912 * doc/md.texi: Document new notation.
11913 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11914 (cmpsi_operand): ... here, using new notation.
11916 2006-01-22 Zack Weinberg <zackw@panix.com>
11918 * varray.c: Remove GENERATOR_FILE #ifdefs.
11920 2006-01-22 Zack Weinberg <zackw@panix.com>
11922 * genautomata.c (output_reserved_units_table): Emit nothing if
11923 description->query_units_num is zero. Remove extra blank line.
11924 (output_cpu_unit_reservation_p): Short circuit
11925 if description->query_units_num is zero.
11927 2006-01-22 Zack Weinberg <zackw@panix.com>
11929 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11930 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11931 nor any of the random handful of variables that used to be necessary
11932 when this program was linked with rtlanal.o. Prune set of forward
11933 function declarations.
11934 (struct attr_desc): Remove static_p field.
11935 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11936 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11937 (attr_string): Do not read the character one past the length of
11939 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11940 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11941 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11942 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11943 (make_automaton_attrs): New.
11944 (main): Do not call into genautomata. Call local gen_bypass
11945 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11946 Remove special case for insn_alts.
11947 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11948 varray.h (leftover from previous change). Prune set of forward
11949 function declarations. Remove state_alts fields from all
11950 structures. Remove state_alts_table from struct automaton.
11951 Make everything except main static. Do not maintain num_dfa_decls.
11952 Do not maintain state_alts fields of various structures.
11953 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11954 (add_arc): Remove state_alts argument. All callers updated.
11955 (output_reserved_units_table): Emit #ifdef here...
11956 (output_tables): ...not here. Don't generate state_alts tables.
11957 (expand_automata): Don't generate attributes.
11958 (write_automata): Don't generate state_alts functions.
11959 (main): New function.
11960 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11961 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11962 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11963 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11964 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11965 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11966 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11967 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11969 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11970 * genattrtab.h: Delete file.
11971 * Makefile.in (OBJS-common): Add insn-automata.o.
11972 (insn-automata.o): New rule.
11973 (simple_generated_c): Add insn-automata.c.
11974 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11975 (genprogmd): Add automata.
11976 (build/genattrtab): Needs no extra objects nor libraries.
11977 (build/genautomata): Needs build/vec.o and -lm.
11979 2006-01-22 Zack Weinberg <zackw@panix.com>
11981 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11982 (output_dfa_max_issue_rate, locked_states_num): Delete.
11983 (struct automaton): Add locked_states field.
11984 (output_dead_lock_vect): Save number of locked states in
11985 automaton->locked_states. If it is zero, don't print anything.
11986 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11987 (output_internal_dead_lock_func): Only test the dead_lock_vect
11988 for automata that have locked states.
11989 (output_statistics): Always print the number of locked states for
11990 each automaton. Calculate total number of locked states here.
11991 (write_automata): Don't call output_dfa_max_issue_rate.
11992 * genattrtab.c: Define length_unit_log as a const variable.
11993 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11994 max_insn_queue_index const.
11995 * final.c (length_unit_log): Declare const.
11996 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11998 2006-01-22 Zack Weinberg <zackw@panix.com>
12000 * genautomata.c: Include vec.h, not varray.h.
12001 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12002 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12003 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12004 VEC_* macros operating on appropriately typed vectors, or to
12005 malloced arrays when the size is known in advance. Const-ify
12006 many char* variables and function arguments. No functional changes.
12007 * Makefile.in (build/varray.o): Delete rule.
12008 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12009 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12011 2006-01-22 Zack Weinberg <zackw@panix.com>
12013 * gensupport.c: Define get_insn_name and record_insn_name here.
12014 (read_md_rtx): Call record_insn_name as appropriate.
12015 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12016 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12017 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12019 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12020 (BUILD_VARRAY): Delete.
12021 (genprognormal): Rename genprogmd. Fold in all programs from
12022 genprognoprint; also attrtab.
12023 (build/genattrtab): Just mention genautomata.o and varray.o.
12024 Reorganize a bit, add comments to make the categories clearer.
12026 2006-01-22 Zack Weinberg <zackw@panix.com>
12028 * genconditions.c (condition_table, add_condition): Delete.
12029 (write_conditions): Don't emit n_insn_conditions nor
12030 insn_elision_unavailable. Issue the gcc version #ifdef here,
12031 inside the table, with no #else clause ...
12032 (write_header): ...not here.
12033 (write_writer): New function.
12034 (main): Don't initialize condition_table. Use add_c_test.
12036 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12037 files on the command line.
12038 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12039 Return -1 if there is no entry in the table, don't abort.
12040 (add_c_test, traverse_c_tests): New functions.
12041 * gensupport.h (insn_elision_unavailable, insn_conditions)
12042 (n_insn_conditions): Delete declarations.
12043 (add_c_test, traverse_c_tests): Declare.
12044 * read-rtl.c: Include gensupport.h.
12045 (read_conditions): New function.
12046 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12047 (read_rtx_1): If we get EOF when we were looking for an initial
12048 open paren, return 0. Call read_conditions when appropriate.
12049 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12050 dummy-conditions.o. Eliminate references to insn-conditions.o,
12051 or change them to build/gencondmd.o, as appropriate. Remove
12052 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12053 from $(simple_generated_c). For all files remaining in those
12054 two lists, add insn-conditions.md to the generator command line.
12055 Give insn-constants.h/s-constants their own rules. Add rules
12056 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12057 (build/read-rtl.o): Depend on gensupport.h.
12058 (genprognormal): Include preds.
12059 (genprogearly): Rename genprognoprint; only difference is now that
12060 they don't link with $(BUILD_PRINT).
12061 * dummy-conditions.c: Delete.
12063 2006-01-22 Zack Weinberg <zackw@panix.com>
12065 * genextract.c: Don't include insn-config.h. Do include vec.h.
12066 Declare vectors of int, char, and locstr.
12067 (locstr): New typedef.
12068 (struct extraction): Make all array fields into bare pointers.
12069 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12070 (insn_code_number): Delete.
12071 (accum_extract): New struct.
12072 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12073 (gen_insn): Take insn_code_number as an argument. Use an
12074 accum_extract structure instead of loading data directly into
12075 a struct extraction, and having to know how big it might get.
12076 (walk_rtx): Operate entirely on an accum_extract structure.
12077 (print_path): Avoid unnecessary use of printf.
12078 (print_header): New function, split out of main. Distinguish
12079 more carefully between an unrecognizable insn and an insn that
12080 has the code number of a define_expand.
12081 (main): Pass insn_code_number to gen_insn. Call print_header
12082 only after parsing. Avoid unnecessary use of printf.
12083 * Makefile.in (build/vec.o): New rule.
12084 (build/genextract): Depend on build/vec.o.
12085 (build/genextract.o): Don't depend on insn-config.h.
12087 2006-01-22 Zack Weinberg <zackw@panix.com>
12089 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12090 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12091 practical. Eliminate per-generator-program link rules.
12093 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12095 PR middle-end/24437
12096 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12097 with a call expr to ...
12098 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12100 2006-01-23 Richard Guenther <rguenther@suse.de>
12102 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12103 before make_edge with conditional EDGE_TRUE_VALUE.
12105 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12106 Jan Hubicka <jh@suse.cz>
12107 Richard Guenther <rguenther@suse.de>
12109 PR rtl-optimization/25654
12110 * cfgexpand.c (aggregate_contains_union_type): New function.
12111 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12112 for structure variables that contain a union type.
12114 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12116 * gengtype.c (new_structure): Return the structure.
12117 (create_option): Add an extra "next" argument.
12118 (create_field): New function.
12119 (adjust_field_rtx_def): Use create_option and create_field.
12120 Remove a now-unnecessary call to find_structure.
12121 (adjust_field_tree_def): Likewise.
12122 (note_yacc_type): Remove an unnecessary call to find_structure.
12123 * gengtype.h (new_structure): Return the structure.
12124 (create_option): Add an extra argument.
12125 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12126 (option): Adjust calls to create_option.
12128 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12130 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12132 2006-01-22 Paul Brook <paul@codesourcery.com>
12133 Peter Barada <peter@the-baradas.com>
12135 * config/m68k/m68k.md: Add Coldfire FPU support.
12136 Define FP mode macro and associated attributes.
12137 Use it for float mode patterns.
12138 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12139 (LIBCALL_VALUE): Use m68k_libcall_value.
12140 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12141 (m68k_function_value): Ditto.
12142 (emit_move_sequence): Ditto.
12143 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12144 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12145 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12146 (MULTILIB_EXCEPTIONS): Ditto.
12147 * config/m68k/m68k.opt: Add mcfv4e.
12148 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12149 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12150 (m68k_output_function_prologue): Save ColdFire FPU registers.
12151 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12152 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12153 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12154 ColdFire FPU registers.
12155 (m68k_libcall_value, m68k_function_value): New functions.
12156 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12157 (LIBCALL_VALUE): Use m68k_libcall_value.
12158 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12159 (MASK_COLDFIRE): Add MASK_CFV4E.
12160 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12161 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12162 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12163 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12164 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12165 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12166 * doc/invoke.tex: Document -mcfv4e on m68k.
12168 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12170 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12173 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12176 * c-opts.c (c_common_handle_option): Don't include
12177 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12178 * doc/invoke.texi (C++ Dialect Options): Document that
12179 -Wnon-virtual-dtor is no longer included in -Wall.
12181 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12183 * gcov.c (print_version), gcov-dump.c (print_version),
12184 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12187 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12189 * df-scan.c (problem_SCAN): Added NULL reset function.
12190 (df_scan_reset_blocks): Added code to call reset block function
12191 (df_bb_refs_delete) Fixed comment.
12192 (df_insn_refs_delete): Made tolerant of deleting non existent info
12193 for dataflow problems that need to be reset.
12194 * df-core.c (df_set_blocks): Ditto.
12195 * df.h (struct df_problem): Added reset_fun.
12196 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12197 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12198 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12199 functions to clear out all references to def-use or use-def chains.
12201 2006-01-21 Ben Elliston <bje@au.ibm.com>
12203 * varasm.c (assemble_real): Initialise data array.
12205 2006-01-20 Paul Brook <paul@codesourcery.com>
12207 Merge from csl-arm-branch.
12208 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12209 * config/arm/arm.md (movdi): Force operands[1] to a register
12210 if we have a non-register source.
12211 (*arm_movdi, *movdf_soft_insn): Require that one of the
12212 operands be a register.
12213 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12214 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12216 2006-01-20 DJ Delorie <dj@redhat.com>
12218 * varasm.c (initializer_constant_valid_p): Allow pointers
12219 initialized from integer constants of lesser precision.
12220 (output_constant): Allow non-int-sized pointer modes to be
12221 initialized from integer constants.
12223 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12226 * cppdefault.h (struct default_include): Add multilib flag.
12227 * cppdefault.c (cpp_include_defaults): Set it.
12228 * c.opt (-imultilib): New option.
12229 * c-opts.c (imultilib): New.
12230 (c_common_handle_option): Handle -imultilib.
12231 (c_common_post_options): Likewise.
12232 * c-incpath.c (add_standard_paths, register_include_chains):
12234 * c-incpath.h (register_include_chains): Add extra parameter.
12235 * gcc.c (do_spec_1): Generate -imultilib option.
12236 (The Specs Language): Update %I description.
12237 (process_command): Update copyright notice.
12238 * doc/cppopts.texi (-imultilib): Document.
12239 * doc/invoke.texi (-imultilib): Include in option summary.
12240 (%I): Update specs documentation.
12242 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12244 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12246 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12248 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12251 2006-01-20 Richard Guenther <rguenther@suse.de>
12252 Steven Bosscher <stevenb.gcc@gmail.com>
12254 PR rtl-optimization/24626
12255 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12256 EDGE_TRUE_VALUE if in RTL mode.
12259 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12260 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12262 2006-01-20 Dirk Mueller <dmueller@suse.com>
12265 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12266 instead of a special NOP marker.
12267 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12268 NOP marker handling.
12269 * c-common.h (empty_body_warning): Add forward declaration.
12270 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12271 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12273 2006-01-20 Paul Brook <paul@codesourcery.com>
12275 * Makefile.in (lang_checks): Keep going if mkdir fails.
12277 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12279 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12280 be able to clean out basic block when not necessary.
12281 (df_scan_free): Fixed to properly delete information if df is
12282 unused before calling df_finish.
12283 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12284 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12286 (df_bb_refs_delete): New function.
12287 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12288 * df-core.c (df_set_blocks): Added code to properly clean out
12289 unused blocks if they are not part of the blocks to consider.
12290 Added additional null check.
12291 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12292 be able to clean out basic block when not necessary
12293 * df.h (df_free_bb_function): Ditto.
12294 (df_bb_refs_delete): New function.
12295 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12296 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12297 basic block parameter to be able to clean out basic block when not
12299 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12300 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12301 Fixed to properly delete information if df is unused before
12304 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12306 PR rtl-optimization/25799
12307 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12308 Corrected confluence operator to remove bits from op2 before oring
12309 with op1 rather than removing bits from op1.
12310 (df_ru_transfer_function): Corrected test on wrong bitmap which
12311 caused infinite loop. Both of these problems were introduced in
12312 the dataflow rewrite.
12314 2006-01-19 DJ Delorie <dj@redhat.com>
12316 * reload1.c (find_reload_regs): Note the details of reload
12317 failures in the dump file.
12318 (spill_failure): Likewise.
12320 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12322 * loop-iv.c: Include df.h and hashtab.h.
12323 (enum iv_grd_result): New enum.
12324 (DF_REF_IV, DF_REF_IV_SET): New macros.
12325 (struct biv_entry): New.
12326 (df, bivs): New global variables.
12327 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12328 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12330 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12331 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12332 analyzed_for_bivness_p, record_biv): New functions.
12333 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12334 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12335 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12337 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12339 (iv_number_of_iterations): Use new interface to iv analysis.
12340 * loop-unroll.c: Do not include varray.h.
12341 (analyze_iv_to_split_insn): Use new interface to iv
12343 * loop-unswitch.c (may_unswitch_on): Ditto.
12344 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12346 (df_bb_modify): Realloc tables to the new index.
12347 (df_find_use): New function.
12348 * df.h (df_find_use): Declare.
12349 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12351 * cfgloop.h (struct rtx_iv): Remove analysed field.
12352 (iv_get_reaching_def): Removed.
12353 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12354 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12355 (loop-iv.o): Add df.h and hashtab.h dependency.
12356 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12358 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12361 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12363 (__floatundisf, __floatundidf): Likewise.
12364 * libgcc2.h (IS_IBM_EXTENDED): Define.
12366 2006-01-19 DJ Delorie <dj@redhat.com>
12368 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12370 2006-01-19 Paul Brook <paul@codesourcery.com>
12372 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12373 as nothrow when unwinding tables are disabled.
12375 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12378 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12379 of bit-field" when in system header.
12381 2006-01-19 DJ Delorie <dj@redhat.com>
12383 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12384 the 16 bit shift limit of the m16c.
12386 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12389 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12390 * config/i386/i386.c (output_set_got): Output the label if we have one
12391 for the TARGET_DEEP_BRANCH_PREDICTION case.
12393 2006-01-19 Jan Hubicka <jh@suse.cz>
12394 H.J. Lu <hongjiu.lu@intel.com>
12395 Evandro Menezes <evandro.menezes@amd.com>
12397 * invoke.texi (generic): Document
12399 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12400 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12401 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12402 (x86_use_incdec, x86_pad_returns): New variables
12403 (TARGET_CPU_DEFAULT_generic): New constant
12404 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12405 (enum processor_type): Add generic32 and generic64.
12406 * i386.md (cpu attribute): Add generic32/generic64
12407 (movhi splitter): Behave sanely when both partial_reg_dependency and
12408 partial_reg_stall are set.
12409 (K8 splitters): Enable for generic as well.
12410 * predicates.md (incdec_operand): Use TARGET_INCDEC
12411 (aligned_operand): Avoid memory mismatch stalls.
12412 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12413 * ppro.md: Enable for generic32
12414 * i386.c (generic64_cost, generic32_cost): New.
12415 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12416 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12417 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12418 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12419 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12420 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12421 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12422 x86_accumulate_outgoing_args, x86_prologue_using_move,
12423 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12424 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12425 Enable for generic.
12426 (x86_use_incdec, x86_pad_returns): New.
12427 (override_options): Add generic32 and generic64, translate "generic"
12428 to generic32/generic64 and "i686" to "generic32", refuse
12429 "generic32"/"generic64" as arch target.
12430 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12431 (ix86_reorg): Honor PAD_RETURNS.
12433 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12435 * tree-pretty-print.c (dump_generic_node): Handle
12436 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12437 * cgraph.c (cgraph_expand_queue): Rename from
12438 cgraph_analyze_queue. Update all users.
12439 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12440 cgraph_expand_queue.
12441 (cgraph_expand_all_functions): Likewise.
12442 (cgraph_finalize_pending_functions): Remove. Update callers.
12444 * tree.h (OMP_DIRECTIVE_P): Define.
12445 (OMP_PARALLEL_FN): Define.
12446 (OMP_PARALLEL_DATA_ARG): Define.
12447 (OMP_SECTIONS_SECTIONS): Define.
12448 * tree-pass.h (pass_expand_omp): Declare.
12449 * omp-low.c (struct omp_region): Declare.
12450 (struct omp_context): Remove fields 'parallel_type',
12451 'parallel_start_ix' and 'parallel_start_additional_args'.
12453 (struct omp_for_data): Rename from struct expand_omp_for_data.
12454 (omp_regions): New static variable.
12455 (root_omp_region): New static variable.
12456 (find_omp_clause): Make static.
12457 (is_in_combined_parallel_ctx): Remove.
12458 (is_combined_parallel): New.
12459 (extract_omp_for_data): Move earlier in the file.
12460 (workshare_safe_to_combine_p): New.
12461 (get_ws_args_for): New.
12462 (determine_parallel_type): Move earlier in the file.
12463 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12465 (omp_copy_decl): Likewise.
12466 (create_omp_child_function): Likewise.
12467 (lookup_omp_region): New.
12468 (dump_omp_region): New.
12469 (debug_omp_region): New.
12470 (debug_all_omp_regions): New.
12471 (new_omp_region): New.
12472 (scan_omp_parallel): If parallel_nesting_level > 1, the
12473 directive is nested within another parallel directive.
12474 Set OMP_PARALLEL_FN.
12475 (scan_omp_for): Do not try to handle combined parallel+for
12477 Remove FIXME comment.
12478 (scan_omp_nested): Remove.
12479 (scan_omp_1): Do not call scan_omp_nested when
12480 parallel_nesting_level is > 1.
12481 Do not change the DECL_CONTEXT of local variables found.
12482 (lookup_decl_in_outer_ctx): New.
12483 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12484 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12485 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12486 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12487 If CTX is nested, lookup VAR in the outer context when
12488 building copy assignment.
12489 (lower_send_clauses): Rename from expand_send_clauses.
12490 If CTX is nested, lookup VAR in the outer context when
12491 building copy assignments.
12492 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12493 If CTX is nested, lookup VAR in the outer context when
12494 building copy assignments.
12495 (expand_parallel_call): Rename from build_parallel_call.
12496 Handle combined parallel+workshare cases.
12497 Re-implement to emit code into the CFG.
12499 (expand_omp_parallel): Re-implement to emit code into the CFG.
12500 Call move_sese_region_to_fn to outline the sub-graph
12501 containing the parallel region.
12502 (expand_omp_for_1): Remove.
12503 (expand_omp_for_generic): Re-implement to emit code into the
12505 (expand_omp_for_static_nochunk): Likewise.
12506 (expand_omp_for_static_chunk): Likewise.
12507 (expand_omp_for): Likewise.
12508 (expand_omp_sections): Likewise.
12509 (remove_exit_barriers): New.
12510 (expand_omp_synch): New.
12512 (build_omp_regions_1): New.
12513 (build_omp_regions): New.
12514 (execute_expand_omp): New.
12515 (gate_expand_omp): New.
12516 (pass_expand_omp): Define.
12517 (lower_omp_sections): Rename from expand_omp_sections.
12518 Set OMP_SECTIONS_SECTIONS.
12519 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12520 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12521 (lower_omp_single): Rename from expand_omp_simple.
12522 (lower_omp_master): Rename from expand_omp_master.
12523 (lower_omp_ordered): Rename from expand_omp_ordered.
12524 (lower_omp_critical): Rename from expand_omp_critical.
12525 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12526 (lower_omp_for): Re-implement.
12527 (lower_omp_parallel): Re-implement.
12528 (lower_regimplify): Rename from expand_regimplify.
12529 (lower_omp_1): Rename from expand_omp_1.
12530 If there are syntax errors in the program, replace every
12531 OpenMP directive with NOP.
12532 Call lower_omp_* instead of expand_omp_*.
12533 (lower_omp): Rename from expand_omp.
12535 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12536 * tree-gimple.h (enum omp_parallel_type): Remove.
12537 (gimple_boolify): Declare extern.
12538 (find_omp_clause, determine_parallel_type): Remove.
12540 * gimple-low.c (lower_omp_directive): New.
12541 (lower_stmt): Call it.
12542 (record_vars_into): Move from ...
12543 (record_vars): ... here.
12544 Call record_vars_into with current_function_decl.
12546 * gimplify.c (struct gimplify_ctx): Remove fields
12547 combined_pre_p and combined_ctxp. Update users.
12548 (get_formal_tmp_var): Add documentation.
12549 (gimple_boolify): Make extern.
12550 (gimplify_expr_in_ctx): Remove. Update callers.
12551 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12552 will always be a BIND_EXPR.
12553 (gimplify_expr): Handle OMP_RETURN_EXPR.
12554 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12555 (OMP_PARALLEL): Add 3 operands.
12556 (OMP_SECTIONS): Add 1 operand.
12557 (OMP_RETURN_EXPR): Define.
12559 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12560 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12561 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12562 creating a circular free list.
12563 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12565 * tree-flow.h (move_sese_region_to_fn): Declare.
12566 (record_vars_into): Declare.
12567 * tree-cfg.c (make_omp_sections_edges): New.
12568 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12569 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12570 OMP_SECTIONS and OMP_SECTION.
12571 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12572 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12573 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12574 (gather_blocks_in_sese_region): New.
12575 (struct move_stmt_d): Declare.
12576 (move_stmt_r): New.
12577 (move_block_to_fn): New.
12578 (move_sese_region_to_fn): New.
12580 * passes.c (init_optimization_passes): Schedule
12581 pass_expand_omp after pass_init_datastructures.
12583 * tree-ssa-operands.c (get_expr_operands): Handle
12584 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12585 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12587 2006-01-19 Jeff Law <law@redhat.com>
12589 * tree-vrp.c (extract_range_from_assert): Refine the result range
12590 if the variable referenced by the ASSERT_EXPR has a range and
12591 either the tentative result range or the previous range is a
12594 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12596 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12598 2006-01-19 Jan Hubicka <jh@suse.cz>
12600 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12602 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12604 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12605 (expand_compound_operation, expand_field_assignment): Fail if the
12606 bit lengths of an extract operation are out of range.
12607 (make_extraction): Compute wanted_inner_mode based on the position
12608 and length of the extraction. Make it extraction_mode for non-constant
12609 positions, and do not modify offset in that case. When generating a
12610 new MEM, use a mode that can hold the extraction while keeping correct
12611 alignment. Remove code that supported MEMs wrapped by USEs.
12612 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12614 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12616 * config/s390/s390.md ("Y", "y"): New mode attribute.
12617 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12618 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12619 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12620 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12621 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12622 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12623 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12624 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12625 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12626 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12627 "addsi3", "subsi3"): Insn patterns removed.
12628 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12629 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12630 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12631 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12632 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12633 "*sub<mode>3_cconly2"): New insn patterns.
12634 ("addsi3", "subsi3"): New expanders.
12636 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12638 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12639 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12640 existing STMT_VINFO_VECTYPE if available.
12641 (vect_mark_relevant): Add special handling for stmts that are
12642 marked as STMT_VINFO_IN_PATTERN_P.
12643 (vect_analyze_loop): Call vect_pattern_recog.
12644 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12645 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12647 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12648 (vect_recog_func_ptr): New function-pointer type.
12649 * tree-vect-patterns.c: New file.
12650 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12651 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12652 (vect_pattern_recog_1): New functions.
12653 (vect_pattern_recog_funcs): New array of function pointers.
12655 * tree-vectorizer.h (ternary_op): New enum value.
12656 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12657 declaration. Revised documentation. Removed redundant dump prints.
12658 Removed redundant argument. Added support for reduction patterns.
12659 (vectorizable_reduction): Added support for reduction patterns.
12660 (vect_transform_stmt): Added support for patterns.
12662 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12663 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12664 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12665 (expand_widen_pattern_expr): New function.
12666 (init_optabs): Initialize new optabs udot_prod_optab,
12668 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12669 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12670 (expand_widen_pattern_expr): New function declaration.
12671 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12673 * tree-inline.c (estimate_num_insns_1): Added cases for new
12674 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12675 * tree-pretty-print.c (dump_generic_node): Likewise.
12676 (op_prio): Likewise.
12677 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12678 * tree-ssa-operands.c (get_expr_operands): Added case for
12680 * tree-vect-patterns.c (widened_name_p): New function.
12681 (vect_recog_dot_prod_pattern): Added function implementation.
12682 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12683 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12684 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12685 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12687 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12688 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12689 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12690 (init_optabs): Initialize new optabs widen_ssum_optab,
12692 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12693 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12694 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12695 use instead of type of def.
12696 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12697 function implementation.
12698 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12699 widen_ssumv8hi): New.
12701 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12704 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12707 * c-decl.c (add_flexible_array_elts_to_size): New function.
12708 (finish_decl): Use it.
12710 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12712 * diagnostic.h: Include options.h.
12713 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12714 dependancies for diagnostic.h.
12715 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12717 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12719 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12720 (ssa_ro_call_cache_valid): Ditto.
12721 * tree-ssa-alias.c (sort_tags_by_id): New function.
12722 (init_transitive_clobber_worklist): Ditto.
12723 (add_to_worklist): Ditto.
12724 (mark_aliases_call_clobbered): Ditto.
12725 (compute_tag_properties): Ditto.
12726 (set_initial_properties): Ditto.
12727 (compute_call_clobbered): Ditto.
12728 (compute_may_aliases): Call compute_call_clobbered and grouping.
12729 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12730 (compute_flow_insensitive_aliasing): Grouping now happens in our
12732 (setup_pointers_and_addressables): Remove clobbering related code.
12733 (add_may_alias): Ditto.
12734 (replace_may_alias): Ditto.
12735 (get_nmt_for): Ditto.
12736 (create_global_var):
12737 (is_escape_site): Return an escape_type enumeration.
12738 * tree-flow-inline.h (is_call_clobbered): Global var does not
12739 imply call clobbered.
12740 (mark_call_clobbered): Take a reason for marking this. Remove
12741 marking of globalness, and cache invalidation.
12742 (clear_call_clobbered): Remove cache invalidation code.
12743 * tree-dfa.c (dump_variable): If details is on, dump the reason
12745 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12747 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12748 (struct var_ann_d): Ditto.
12749 (enum escape_type): New.
12750 (mark_call_clobbered): Adjust prototype.
12751 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12752 are never call clobbered.
12753 Record reasons for escaping.
12754 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12755 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12756 (ssa_ro_call_cache_valid): Ditto.
12757 (clobbered_v_may_defs): Ditto.
12758 (clobbered_vuses): Ditto.
12759 (ro_call_vuses): Ditto.
12760 (clobber_stats): New.
12761 (init_ssa_operands): Zero out clobber stats.
12762 (fini_ssa_operands): Print out clobber stats.
12763 (get_call_expr_operands): Pass callee fndecl to
12764 add_call_read_ops).
12765 (add_call_clobber_ops): Remove use of cache.
12766 Add use of PURE_CONST information.
12767 (add_call_read_ops): Remove use of cache.
12768 Add use of static not_read information.
12770 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12772 Introduce TLS descriptors for i386 and x86_64.
12773 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12774 (TARGET_ANY_GNU_TLS): New macro.
12775 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12776 (struct machine_function): Add tls_descriptor_call_expanded_p.
12777 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12778 (ix86_current_function_calls_tls_descriptor): Likewise.
12779 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12780 (override_options): Introduce gnu2 tls dialect.
12781 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12783 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12785 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12786 (ix86_init_machine_status): Initialize new field.
12787 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12788 (ix86_tls_module_base): New.
12789 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12790 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12791 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12792 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12793 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12794 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12795 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12796 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12797 * config/i386/predicates.md (tls_modbase_operand): New.
12798 (tp_or_register_operand): New.
12800 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12802 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12803 (look_for_address_of): Ditto.
12804 (ipa_init): Walk the function decls.
12805 (static_execute): Don't set readonly on FUNCTION_DECL's.
12807 2006-01-18 Roger Sayle <roger@eyesopen.com>
12809 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12810 for shifts where the source and destination registers are different.
12812 2006-01-18 Paul Brook <paul@codesourcery.com>
12814 Merge from csl-arm-branch.
12815 2005-03-14 Julian Brown <julian@codesourcery.com>
12816 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12817 (aeabi_llsl): Likewise.
12818 (ashrdi3): Likewise.
12819 (aeabi_lasr): Likewise.
12820 (lshrdi3): Likewise.
12821 (aeabi_llsr): Likewise.
12822 2005-03-10 Julian Brown <julian@codesourcery.com>
12823 * config.gcc: Disable shared libgcc for SymbianOS.
12824 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12826 2006-01-18 DJ Delorie <dj@redhat.com>
12828 * c-pragma.c (handle_pragma_diagnostic): New.
12829 (init_pragma): Register it.
12830 * doc/extend.texi: Document it.
12832 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12833 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12834 (diagnostic_context): Add classify_diagnostic[].
12835 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12836 as errors if they're overridden to DK_WARNING.
12837 (diagnostic_initialize): Initialize classify_diagnostic[].
12838 (diagnostic_set_kind_override): New.
12839 (diagnostic_report_diagnostic): Check for kind changes.
12840 * opts.c (common_handle_option): Take lang_mask. Update callers.
12841 Handle OPT_Werror_.
12842 * common.opt (Werror=): New.
12843 * doc/invoke.texi: Document -Werror=*
12845 2006-01-18 Jeff Law <law@redhat.com>
12847 * tree-vrp.c (test_for_singularity): Correct test for new
12848 min limit. Use operand_equal_p rather than pointer equality
12849 for testing if new min/max values are equal.
12851 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12852 using range information until after propagation and folding.
12854 2006-01-18 Richard Henderson <rth@redhat.com>
12855 Aldy Hernandez <aldyh@redhat.com>
12856 Jakub Jelinek <jakub@redhat.com>
12857 Diego Novillo <dnovillo@redhat.com>
12859 * omp-low.c: New file.
12860 * c-omp.c: New file.
12862 2006-01-18 Richard Henderson <rth@redhat.com>
12863 Jakub Jelinek <jakub@redhat.com>
12864 Diego Novillo <dnovillo@redhat.com>
12866 * doc/invoke.texi: Document -fopenmp.
12867 * tree-dump.h (debug_function): Declare.
12868 * hooks.c (hook_bool_tree_bool_false): New function.
12869 (hook_tree_tree_null): Remove.
12870 (hook_tree_tree_tree_null): New.
12871 * hooks.h: Update to match.
12872 * tree-pretty-print.c (debug_tree_chain): New.
12873 (print_generic_expr): Handle TDF_CHAIN.
12874 (dump_generic_node): Handle BLOCK.
12875 Do not abort with incomplete SWITCH_EXPRs.
12876 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12877 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12878 print space after directive name.
12879 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12880 Handle OMP_MASTER and OMP_ORDERED.
12881 Handle printing of OMP_BODY just in one place, goto
12882 dump_omp_body in the rest of OMP_* nodes that have
12884 Don't handle clause nodes here. Update omp statements to
12885 use dump_omp_clauses.
12886 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12887 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12888 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12889 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12890 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12891 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12892 Adjust output for GOMP_PARALLEL.
12893 (dump_omp_clauses): New.
12894 (print_declaration): Dump DECL_VALUE_EXPR.
12895 (op_symbol_1): Split out of op_symbol.
12896 (dumping_stmts): Remove. Update all users.
12897 * cgraph.c (cgraph_analyze_queue): New.
12898 (cgraph_add_new_function): New.
12899 * cgraph.h (cgraph_analyze_queue): Declare.
12900 (cgraph_add_new_function): Declare.
12901 (cgraph_lower_function): Remove.
12902 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12903 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12904 and TYPE_P nodes in its default clause.
12905 (empty_body_p): New.
12906 (tree_range_check_failed): New.
12907 (build5_stat): New.
12908 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12909 OMP_CLAUSE_REDUCTION_MERGE,
12910 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12911 OMP_CLAUSE_PRIVATE_DEBUG,
12912 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12913 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12914 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12915 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12916 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12917 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12918 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12919 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12920 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12921 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12922 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12923 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12924 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12925 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12926 (TREE_RANGE_CHECK): New.
12927 (empty_body_p): Declare.
12928 (enum omp_clause_default_kind): New.
12929 (build_string_literal): Declare.
12930 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12931 (build5_stat, build5): Declare.
12932 * tree-pass.h (TDF_CHAIN): Define.
12933 * tree-pass.h (PROP_gimple_lomp): Define.
12934 (pass_lower_omp): Declare.
12935 * diagnostic.h (debug_tree_chain): Declare.
12936 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12938 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12939 * builtins.c (build_string_literal): Make extern.
12940 * gcc.c (include_spec_function): New.
12941 (static_spec_functions): Add it.
12942 (main): Move load of libgomp.spec ...
12943 (LINK_COMMAND_SPEC): ... here.
12944 (link_gomp_spec): New.
12945 (static_specs): Include it.
12946 (LINK_COMMAND_SPEC): Add link_gomp.
12947 (GOMP_SELF_SPECS): New.
12948 (driver_self_specs): Include it.
12949 (switch_matches): Don't mark inline.
12950 (main): Load libgomp.spec.
12951 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12952 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12953 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12954 * tree-gimple.h (enum omp_parallel): Declare.
12955 (determine_parallel_type): Declare.
12956 (omp_firstprivatize_variable): Declare.
12957 (omp_reduction_init): Declare.
12958 (diagnose_omp_structured_block_errors): Declare.
12959 (struct walk_stmt_info): Add want_return_expr.
12960 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12961 (find_omp_clause): Declare.
12962 (insert_field_into_struct): Declare.
12963 (struct walk_stmt_info): Move from tree-nested.c
12964 (walk_stmts): Declare.
12965 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12967 * cgraphunit.c (cgraph_lower_function): Make static.
12968 (cgraph_finalize_pending_functions): New.
12969 (cgraph_finalize_function): Call it.
12970 (cgraph_finalize_compilation_unit): Likewise.
12971 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12972 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12973 (BT_FN_UINT_UINT): New.
12974 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12975 DEF_FUNCTION_TYPE_VAR_4): Document.
12976 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12977 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12978 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12979 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12980 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12981 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12982 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12983 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12984 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12985 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12986 into separate files.
12987 (DEF_GOMP_BUILTIN): New.
12988 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12989 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12990 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12991 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12992 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12993 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12994 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12995 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12996 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12997 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12998 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12999 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13000 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13001 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13002 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13003 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13004 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13005 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13006 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13007 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13008 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13009 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13010 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13011 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13012 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13013 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13014 * sync-builtins.def: New file, moved from builtins.def.
13015 * omp-builtins.def: New file, moved from builtins.def.
13016 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13017 * gimple-low.c (lower_function_body): Clear data.
13018 (lower_stmt): Do not handle COMPOUND_EXPR.
13019 Remove call to print_node_brief.
13020 * c-tree.h (c_finish_omp_clauses): New prototype.
13021 (C_DECL_THREADPRIVATE_P): Define.
13022 (lookup_name_no_remap, c_omp_remap_private): Remove
13023 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13024 (check_for_loop_decls): Update decl.
13025 (lookup_name_no_remap, c_omp_remap_private): Declare.
13026 (build_indirect_ref, build_modify_expr, pushdecl,
13027 pushdecl_top_level): Move to c-common.h.
13028 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13029 before the switch, but just in the 2 places that need it.
13030 * c-decl.c (diagnose_mismatched_decls): Do not check for
13031 mismatched thread-local attributes when OLDDECL is marked
13032 threadprivate and NEWDECL has no thread-local attributes.
13033 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13034 (c_gimple_diagnostics_recursively): Rename from
13035 c_warn_unused_result_recursively. Invoke
13036 diagnose_omp_structured_block_errors.
13037 (check_for_loop_decls): Return a singular decl found.
13038 * langhooks.c (lhd_omp_predetermined_sharing): Return
13039 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13040 (lhd_omp_firstprivatize_type_sizes): New.
13041 (lhd_omp_assignment): New.
13042 (lhd_omp_predetermined_sharing): New.
13043 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13044 (struct lang_hooks_for_types): Add
13045 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13046 omp_predetermined_sharing, omp_disregard_value_expr,
13047 omp_private_debug_clause, omp_clause_default_ctor,
13048 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13049 (c_finish_omp_clauses): New.
13050 (c_finish_bc_stmt): Diagnose break within omp for.
13051 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13052 (build_unary_op): Return error_mark after reporting
13054 (build_modify_expr): Likewise.
13055 * gimplify.c: Include optabs.h and pointer-set.h.
13056 (enum gimplify_omp_var_data): Declare.
13057 (struct gimplify_omp_ctx): Declare.
13058 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13060 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13061 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13062 (splay_tree_compare_decl_uid): New.
13063 (new_omp_context): New.
13064 (delete_omp_context): New.
13065 (gimple_add_tmp_var): Call omp_add_variable.
13066 (gimplify_bind_expr): Likewise.
13067 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13068 true, disregard DECL_VALUE_EXPR on the decl if any.
13069 (gimplify_expr_in_ctx): New.
13070 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13071 omp_add_variable, omp_notice_variable, omp_is_private
13072 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13073 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13074 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13075 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13076 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13077 gimplify_omp_atomic): New.
13078 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13079 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13080 OMP_CRITICAL and OMP_ATOMIC.
13081 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13082 * c-pragma.h (enum pragma_kind): Add
13083 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13084 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13085 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13086 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13087 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13088 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13089 PRAGMA_OMP_THREADPRIVATE.
13090 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13091 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13092 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13093 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13094 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13095 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13096 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13097 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13098 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13099 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13100 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13101 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13102 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13104 (struct nesting_info): Add field_map,
13105 suppress_expansion, debug_var_chain.
13106 (create_nesting_tree): Initialize them.
13107 (lookup_field_for_decl): Use field_map.
13108 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13109 (convert_local_omp_clauses): New.
13110 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13111 (walk_body): Split out of walk_function.
13112 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13113 (convert_nonlocal_reference): Handle omp statements.
13114 (convert_local_reference): Likewise.
13115 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13116 (unnest_nesting_tree): New.
13117 (lower_nested_functions): Call it.
13118 (insert_field_into_struct): Make extern.
13119 (struct walk_stmt_info): Move to tree-gimple.h.
13120 (walk_stmts): Make extern.
13121 * omp-builtins.def: New file.
13122 * tree-iterator.c (expr_only): Clarify comment.
13123 * c-common.h (pushdecl_top_level, pushdecl,
13124 build_modify_expr, build_indirect_ref,
13125 c_finish_omp_master, c_finish_omp_critical,
13126 c_finish_omp_ordered, c_finish_omp_barrier,
13127 c_finish_omp_atomic, c_finish_omp_flush,
13128 c_finish_omp_for, c_split_parallel_clauses,
13129 omp_clause_default_kind, c_omp_sharing_predetermined,
13130 c_omp_remap_decl): Declare.
13131 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13132 (OBJS-common): Add omp-low.o.
13133 (c-omp.o, omp-low.o): Add.
13134 (gimplify.o): Add dependency on $(OPTABS_H).
13135 (GTFILES): Add omp-low.c.
13136 (gt-stringpool.h): Add.
13137 * tree-cfg.c (set_bb_for_stmt): Do not update the
13138 block-to-labels map if we are currently expanding to RTL.
13139 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13141 Handle IDENTIFIER_NODE.
13142 (tree_verify_flow_info): Do not ICE when emitting error
13143 messages about invalid labels.
13144 (dump_function_to_file): Reset CFUN before emitting the body
13146 (debug_function): New.
13147 * passes.c (init_optimization_passes): Schedule
13149 * langhooks-def.h (lhd_omp_predetermined_sharing,
13150 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13152 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13153 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13154 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13155 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13156 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13157 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13158 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13159 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13160 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13161 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13162 (LANG_HOOK_DECLS): Use them.
13164 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13165 Richard Henderson <rth@redhat.com>
13166 Jakub Jelinek <jakub@redhat.com>
13167 Diego Novillo <dnovillo@redhat.com>
13169 * c-parser.c (pragma_omp_clause): Define.
13170 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13171 (c_parser_compound_statement): Likewise.
13172 (c_parser_statement): Likewise.
13173 (c_parser_pragma): Handle omp pragmas.
13174 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13175 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13176 (c_parser_omp_clause_name, check_no_duplicate_clause,
13177 c_parser_omp_variable_list,
13178 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13179 c_parser_omp_clause_copyprivate,
13180 c_parser_omp_clause_default,
13181 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13182 c_parser_omp_clause_lastprivate,
13183 c_parser_omp_clause_nowait,
13184 c_parser_omp_clause_num_threads,
13185 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13186 c_parser_omp_clause_reduction,
13187 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13188 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13189 c_parser_omp_atomic, c_parser_omp_barrier,
13190 c_parser_omp_critical, c_parser_omp_flush,
13191 c_parser_omp_for_loop, c_parser_omp_for,
13192 c_parser_omp_master, c_parser_omp_ordered,
13193 c_parser_omp_sections_scope, c_parser_omp_sections,
13194 c_parser_omp_parallel, c_parser_omp_single,
13195 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13196 * c-pragma.c (init_pragma): Do omp pragma registration here.
13197 * c.opt (fopenmp): New flag.
13199 2006-01-18 Eric Christopher <echristo@apple.com>
13201 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13202 * config/darwin.h (GOMP_SELF_SPECS): Define.
13204 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13206 * rtl.h: Remove the prototype for reg_alloc.
13208 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13211 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13212 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13213 sjlj and dwarf2 exception handling.
13214 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13215 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13216 * pa/pa.c (function_value): Treat complex and vector types as
13218 (function_arg): Likewise. Only pass scalar floats in the floating
13219 point argument registers.
13220 * pa/t-slibgcc-dwarf-ver: New file.
13221 * pa/t-slibgcc-sjlj-ver: New file.
13222 * pa/t-slibgcc-elf-ver: Delete file.
13224 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13226 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13227 unlikely_test_section_p test.
13229 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13231 * mode-switching.c (optimize_mode_switching): Make it static.
13232 * basic-block.h: Remove the prototype for
13233 optimize_mode_switching.
13235 * modulo-sched.c (sms_schedule): Make it static.
13236 * rtl.h: Remove the prototype for sms_schedule.
13238 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13239 * rtl.h: Remove the prototype for gcse_after_reload_main.
13241 * reg-stack.c (reg_to_stack): Make it static.
13242 * rtl.h: Remove the prototype for reg_to_stack.
13244 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13246 * rtl.h: Remove the prototypes for regrename_optimize and
13247 copyprop_hardreg_forward.
13249 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13251 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13252 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13253 Test against the appropriate null constant for the mode.
13254 If 'fixup_overlap' is true, swap the operands if they overlap.
13255 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13256 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13257 alpha_split_tmode_pair and adjust for above change.
13258 * config/alpha/alpha.md (movtf_internal): Adjust call to
13259 alpha_split_tfmode_pair and rely on it to swap the operands.
13260 (movti_internal): New insn and post-reload splitter.
13261 (movti): New expander.
13263 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13265 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13268 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13270 * rtlanal.c (global_reg_mentioned_p_1,
13271 global_reg_mentioned_p): Remove.
13272 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13274 * flow.c (initialize_uninitialized_subregs): Make it static.
13275 * rtl.h: Remove the prototype for
13276 initialize_uninitialized_subregs.
13278 * function.c (instantiate_virtual_regs): Make it static.
13279 * function.h: Remove the prototype for
13280 instantiate_virtual_regs.
13282 * regmove.c (regmove_optimize, combine_stack_adjustments):
13284 * rtl.h: Remove the prototypes for regmove_optimize and
13285 combine_stack_adjustments.
13287 2006-01-17 Roger Sayle <roger@eyesopen.com>
13289 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13290 (size_cost): Encode costs in bytes so that a reg-reg addition is
13291 equivalent to COSTS_N_INSNS(1).
13292 (override_options): Use the size_cost.branch_cost as the default
13293 ix86_branch_cost when optimizing for size.
13295 2006-01-18 Ben Elliston <bje@au.ibm.com>
13297 * Makefile.in (D32PBIT_FUNCS): New.
13298 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13299 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13300 D64PBIT_FUNCS and D128PBIT_FUNCS.
13301 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13302 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13304 (decnumber_dep): Define.
13305 * doc/libgcc.texi (Decimal float library routines): New node.
13306 * config/dfp-bit.h, config/dfp-bit.c: New files.
13308 2006-01-18 Ben Elliston <bje@au.ibm.com>
13310 * expr.c (emit_move_change_mode): Always adjust addresses, not
13311 just during reload. Copy replacements only during reload.
13312 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13313 emit_move_via_integer.
13315 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13317 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13318 instead of $(srcdir) and ${srcdir}.
13320 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13323 PR middle-end/11135
13324 * arm.h (struct machine_function): Add pic_reg.
13325 * arm.c (arm_pic_register): Make unsigned.
13326 (arm_override_options): Only set arm_pic_register if
13327 TARGET_SINGLE_PIC_BASE.
13328 (use_return_insn): Only test for a pic register if it is fixed.
13329 (arm_compute_save_reg0_reg12_mask): Likewise.
13330 (thumb_compute_save_reg_mask): Likewise.
13331 (legitimate_pic_operand): Factor out some known invariants.
13332 (legitimize_pic_address): If we don't have a fixed pic register,
13333 then set up a pseudo in the function entry sequence. Handle the
13334 pic base being in a pseudo.
13335 (arm_load_pic_register): Handle the pic register being in a pseudo.
13336 (arm_expand_prologue): Only set up the pic register if it is fixed.
13337 (thumb_expand_prologue): Likewise.
13338 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13339 (pic_load_addr_based_insn): Likewise.
13340 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13343 2006-01-18 Ben Elliston <bje@au.ibm.com>
13345 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13346 decimal float modes for all floating point registers.
13348 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13349 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13351 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13354 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13355 even when the pointer is not NULL.
13357 2006-01-16 Ian Lance Taylor <ian@airs.com>
13359 * common.opt (ftoplevel-reorder): New option.
13360 * cgraph.c (cgraph_asm_nodes): New global variable.
13361 (cgraph_asm_last_node): New static variable.
13362 (cgraph_order): New global variable.
13363 (cgraph_create_node): Set new order field.
13364 (cgraph_varpool_node): Likewise.
13365 (decide_is_variable_needed): Return true if not
13366 flag_toplevel_reorder.
13367 (cgraph_add_asm_node): New function.
13368 * cgraph.h (struct cgraph_node): Add order field.
13369 (struct cgraph_varpool_node): Add order field.
13370 (struct cgraph_asm_node): Define.
13371 (cgraph_asm_nodes, cgraph_order): Declare.
13372 (cgraph_add_asm_node): Declare.
13373 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13375 (cgraph_varpool_assemble_pending_decls): Call it.
13376 (cgraph_output_pending_asms): New static function.
13377 (cgraph_finalize_compilation_unit): Call it.
13378 (struct cgraph_order_sort): Define.
13379 (cgraph_output_in_order): New static function.
13380 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13381 !flag_toplevel_reorder case.
13382 * c-parser.c: Include "cgraph.h".
13383 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13385 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13386 than -fno-unit-at-a-time.
13387 * doc/invoke.texi (Option Summary): Mention
13388 -fno-toplevel-reorder.
13389 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13390 -funit-at-a-time documentation.
13392 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13393 Kazu Hirata <kazu@codesourcery.com>
13395 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13397 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13399 * Makefile.in (FUNCTION_H): New. Use it instead of
13400 function.h throughout the file.
13401 * function.h: Include tree.h.
13403 2006-01-17 Ben Elliston <bje@au.ibm.com>
13405 * recog.c: Separate some functions with whitespace.
13407 2006-01-16 Richard Henderson <rth@redhat.com>
13409 Merge from gomp branch:
13410 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13411 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13412 and rename from struct inline_data. Rename callee* to dst*;
13413 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13414 transform_new_cfg, transform_return_to_modify, and
13415 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13417 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13418 (copy_decl_for_dup): Remove.
13419 * tree-inline.c (struct inline_data): Move to header.
13420 (insert_decl_map): Export.
13421 (remap_decl): Update for member name changes. Use copy_decl hook.
13422 Allow for replacement to be a non-decl. Remove dead code.
13423 (remap_type_1): Check for existing mapping.
13424 (remap_type): Export.
13425 (remap_decls): Update for member name changes.
13426 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13427 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13428 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13429 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13430 (tree_function_versioning, build_duplicate_type): Likewise.
13431 (copy_body_r): Likewise. Export.
13432 (copy_decl_for_dup): Split into ...
13433 (copy_decl_for_dup_finish, copy_decl_to_var,
13434 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13435 (replace_ref_tree, inlining_p): Remove.
13437 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13439 * ifcvt.c (if_convert): Make it static.
13440 * rtl.h: Remove the prototype for if_convert.
13442 * local-alloc.c (local_alloc): Make it static.
13443 * rtl.h: Remove the prototype for local_alloc.
13445 * loop.c (loop_optimize): Make it static.
13446 * cfgloop.h: Remove the prototype for loop_optimize.
13449 2006-01-16 DJ Delorie <dj@redhat.com>
13451 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13454 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13456 * pa.md: Disparage copies between general and floating-point registers
13457 in 32-bit move patterns.
13459 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13462 * Makefile.in (check-%): Depend on site.exp instead of
13463 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13466 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13468 * global.c (global_alloc): Make it static.
13469 * rtl.h: Remove the prototype for global_alloc.
13471 2006-01-16 Richard Guenther <rguenther@suse.de>
13473 * tree-ssa-alias.c (struct used_part): Add write_only field.
13474 (get_or_create_used_part_for): Initialize it to true.
13475 (create_overlap_variables_for): Don't create structure variables
13476 for structures that only are written to.
13477 (find_used_portions): Handle MODIFY_EXPR to track whether a
13478 structure is only written to.
13480 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13482 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13484 * basic-block.h: Remove the prototype for
13485 partition_hot_cold_basic_blocks.
13487 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13489 * cppspec.c (lang_specific_spec_functions): Remove.
13490 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13491 * gcc.h (lang_specific_spec_functions): Remove.
13492 * gccspec.c (lang_specific_spec_functions): Remove.
13494 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13496 * combine.c (record_value_for_reg): Invalidate registers
13498 (record_dead_and_set_regs_1): Likewise, by passing them to
13499 record_value_for_reg.
13500 (record_dead_and_set_regs): Invalidate stores made by a
13501 call. We do not combine across a call, but we still
13502 relied on equivalences.
13504 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13506 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13507 vrp_int_const_binop returning non-constant nodes.
13509 2006-01-16 Paul Brook <paul@codesourcery.com>
13511 * config/m68k/m68k.c (output_move_const_into_data_reg):
13512 Output correct mnemonic for mvz and mvs.
13514 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13516 * rtl-factoring.c: Add sequence abstraction algorithm.
13517 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13518 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13520 (block_has_preserve_label): New function.
13521 * common.opt: Register new pass.
13522 * Makefile.in: Ditto.
13524 * timevar.def: Ditto.
13525 * tree-pass.h: Ditto.
13526 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13527 * rtl.h (make_jump_insn_raw): Add forward decl.
13528 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13530 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13531 Roger Sayle <roger@eyesopen.com>
13533 * fold-const.c (fold_minmax): New static function.
13534 (fold_binary) <MIN_EXPR>: Call it.
13535 <MAX_EXPR>: Likewise.
13536 * stor-layout.c (place_field): Use DECL_SIZE consistently
13537 in the computation of the new record size.
13539 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13541 * cse.c (cse_condition_code_reg): Make it static.
13542 * rtl.h: Remove the prototype for cse_condition_code_reg.
13544 * combine.c (combine_instructions): Make it static.
13545 * rtl.h: Remove the prototype for combine_instructions.
13547 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13550 * tree.c (get_file_function_name_long): Concatenate the first global
13551 object name with a string derived from the input filename of the object
13554 2006-01-16 Ben Elliston <bje@au.ibm.com>
13556 * config/i386/winnt-stubs.c: Update FSF address.
13557 * config/xtensa/ieee754-df.S: Ditto.
13558 * config/xtensa/ieee754-sf.S: Ditto.
13560 2006-01-14 Ian Lance Taylor <ian@airs.com>
13562 * ifcvt.c (noce_init_if_info): New static function, broken out of
13563 noce_process_if_block.
13564 (noce_process_if_block): Call noce_init_if_info.
13565 (check_cond_move_block): New static function.
13566 (cond_move_process_if_block): New static function.
13567 (process_if_block): Call cond_move_process_if_block.
13569 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13571 * cselib.c (hash_table): Rename to cselib_hash_table.
13572 (cselib_clear_table, discard_useless_values,
13573 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13574 cselib_init, cselib_finish): Adjust uses of hash_table.
13576 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13578 PR tree-optimization/25485
13579 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13580 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13581 is known to be false and true, respectively.
13583 2006-01-14 Richard Guenther <rguenther@suse.de>
13585 PR tree-optimization/22548
13586 PR tree-optimization/22555
13587 PR tree-optimization/22501
13588 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13589 * params.def (salias-max-array-elements): New parameter.
13590 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13591 * doc/invoke.texi (salias-max-array-elements): Document.
13592 * tree-flow-inline.h (var_can_have_subvars): We also handle
13594 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13596 * tree-ssa-structalias.c (params.h): Include.
13597 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13598 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13599 (get_constraint_for): For ADDR_EXPR operating on something
13600 containing an ARRAY_REF, add all subvars to the solution.
13601 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13602 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13603 for creating MUST_DEFs.
13604 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13606 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13608 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13610 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13611 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13612 number_of_iterations_le): New functions.
13613 (number_of_iterations_special): Removed.
13614 (number_of_iterations_exit): Do not use number_of_iterations_special.
13615 * tree.c (unsigned_type_for): Always return integer type.
13617 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13618 Richard Guenther <rguenther@suse.de>
13620 PR rtl-optimization/24257
13621 * gcse.c (find_moveable_store): Only consider a store movable
13622 when the SET_SRC of the insn can be assigned to a register.
13624 2006-01-14 Ian Lance Taylor <ian@airs.com>
13626 * tree.c (tree_not_class_check_failed): New function.
13627 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13628 (tree_not_class_check_failed): Declare.
13630 2006-01-13 Ian Lance Taylor <ian@airs.com>
13632 * reload1.c (do_output_reload): Add assertion rejecting a
13635 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13637 * combine.c (struct reg_stat): Add new fields truncation_label and
13639 (record_value_for_reg): Reset truncated_to_mode.
13640 (record_truncated_value): New function.
13641 (check_promoted_subreg): Call it. Rename to check_conversions.
13642 (combine_instructions): Rename check_promoted_subreg to
13644 (reg_truncated_to_mode): New function.
13645 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13646 (gen_lowpart_or_truncate): New function.
13647 (force_to_mode): Use it instead of gen_lowpart.
13649 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13651 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13652 VAR is a tag, not its type tag.
13654 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13656 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13657 alternatives to match style of other entries.
13658 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13660 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13662 PR tree-optimization/25771
13663 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13666 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13669 * tree-inline.c (declare_return_variable): If the return variable
13670 was marked as a non gimple complex, set the return slot variable
13671 to be a non gimple comple variable.
13673 2006-01-13 Richard Guenther <rguenther@suse.de>
13675 * builtins.c (expand_builtin_sincos): New function.
13676 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13678 (expand_builtin): Expand sincos using expand_builtin_sincos.
13680 2006-01-12 DJ Delorie <dj@redhat.com>
13682 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13683 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13684 so that constant shifts can be split.
13685 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13686 (m32c_valid_pointer_mode): Make static.
13687 (shift_gen_func_for): New.
13688 (m32c_prepare_shift): Use it. Split large const shifts into
13690 * config/m32c/predicates.md (shiftcount_operand): Allow more
13692 (longshiftcount_operand): New.
13693 * doc/md.texi (Machine Constraints): Document In6.
13695 2006-01-13 Ben Elliston <bje@au.ibm.com>
13697 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13698 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13701 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13703 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13704 to try to avoid clobbering pieces of structures when we know
13705 something about the whole structure.
13706 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13708 2006-01-13 Ben Elliston <bje@au.ibm.com>
13710 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13711 return in memory, as this is no limitation is no longer present.
13713 2006-01-12 DJ Delorie <dj@redhat.com>
13715 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13716 mova with fb, and for fb+0 -> An.
13718 * config/m32c/mov.md (peephole2): Fix enabling logic.
13720 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13721 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13722 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13723 FINI_ARRAY_SECTION_ASM_OP): Define.
13725 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13727 (m32c_legitimize_reload_address): New logic to reload FB to An.
13728 (m32c_output_reg_push): Add newline.
13729 (m32c_output_reg_pop): Likewise.
13731 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13733 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13735 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13737 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13739 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13741 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13744 2006-01-11 Ben Elliston <bje@au.ibm.com>
13746 * rtlanal.c (find_reg_note): Assert insn is not null.
13748 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13750 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13753 2006-01-11 Jeff Law <law@redhat.com>
13755 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13757 (mark_threaded_blocks, register_jump_thread): New functions.
13758 (thread_through_all_blocks): Remove unwanted argument. No
13759 longer rely on e->aux to communicate thread target info.
13760 Call mark_threaded_blocks. Release the threaded_blocks
13761 bitmap and threaded_edges vector when complete.
13762 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13763 (threaded_blocks): Remove.
13764 (tree_ssa_dominator_optimize): Remove initialization and
13765 finalization of threaded_blocks. Simplify call to
13766 thread_through_all_blocks.
13767 (thread_across_edge): Call register_jump_thread rather than
13768 storing thread information into e->aux.
13769 (free_all_edge_infos): Simplify now that e->aux is no longer
13770 used to communicate with thread_through_all_blocks.
13771 * tree-flow.h (thread_through_all_blocks): Update prototype.
13772 (register_jump_thread): Prototype.
13774 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13776 * df-core.c (df_compact_blocks, df_bb_replace): Use
13777 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13779 2006-01-11 Richard Guenther <rguenther@suse.de>
13781 PR tree-optimization/25734
13782 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13783 stop propagation after successful propagation to the LHS.
13785 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13787 * basic-block.h (control_flow_graph): Change the type of
13788 x_basic_block_info to VEC(basic_block,gc) *.
13789 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13791 (SET_BASIC_BLOCK): New.
13792 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13793 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13794 * cfgbuild.c (find_basic_blocks): Likewise.
13795 * cfglayout.c (fixup_reorder_chain): Likewise.
13796 * cfgrtl.c (create_basic_block_structure,
13797 rtl_create_basic_block): Likewise.
13798 * ifcvt.c (find_if_case_1): Likewise.
13799 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13802 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13804 * Makefile.in: Removed rotted odf.c entry.
13806 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13809 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13810 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13811 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13812 output pattern modifier, not %e.
13813 * config/cris/cris.c (cris_op_str): Update comment about pattern
13815 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13816 before falling through into...
13817 <case 'E'>: Redefined from old 'e' case.
13819 2006-01-11 Jan Hubicka <jh@suse.cz>
13822 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13824 2006-01-11 Jan Hubicka <jh@suse.cz>
13826 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13827 * i386.c (x86_decompose_lea): Kill.
13828 (ix86_rtx_costs): Kill.
13830 2006-01-11 Jan Hubicka <jh@suse.cz>
13832 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13833 * cgraph.h (cgraph_node): Add inline_decl.
13834 (cgraph_insert_node_to_hashtable): Declare.
13835 (save_inline_function_body): Declare.
13836 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13838 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13839 (cgraph_function_versioning): Update call of tree_function_versioning.
13840 (save_inline_function_body): New function.
13841 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13842 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13843 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13844 (cgraph_default_inline_p): Likewise.
13845 (cgraph_decide_inlining_incrementally): Likewise.
13846 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13847 (copy_bb): Kill saving; do updating of clones.
13848 (copy_cfg_body): Kill saving.
13849 (initialize_inlined-parameters): Likewise.
13850 (expand_call_inline): Likewise.
13852 (tree_function_versioning): New parameter "update_clones".
13853 (inlining_p): Kill saving.
13854 * tree-inline.h (tree_function_versioning): Update prototype.
13855 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13858 2006-01-11 Ian Lance Taylor <ian@airs.com>
13860 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13861 Allow undoing set of machine mode.
13862 (do_SUBST): Use enums instead of is_int.
13863 (do_SUBST_MODE): New function.
13864 (SUBST_MODE): New macro.
13865 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13866 reg and trying to replace reg_regno_rtx with a new register.
13867 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13868 (simplify_set): Use SUBST_MODE.
13869 (distribute_notes): Remove code that tried to update reg notes
13870 for regno_reg_rtx changes.
13872 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13874 PR tree-optimization/23109
13875 PR tree-optimization/23948
13876 PR tree-optimization/24123
13878 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13879 * tree-cfg.c (single_noncomplex_succ): New.
13880 * tree-flow.h (single_noncomplex_succ): Declare it.
13881 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13882 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13883 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13884 insert_bb, register_division_in, insert_reciprocals,
13885 replace_reciprocal, free_bb): New.
13886 (execute_cse_reciprocals_1): Rewritten.
13887 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13888 Do not commit any edge insertion. Always compute dominators and
13889 create the allocation pool.
13890 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13891 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13892 * targhooks.c (default_min_divistions_for_recip_mul): New.
13893 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13894 * passes.c (init_optimization_passes): Run recip after tree loop
13896 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13898 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13899 Kenneth Zadeck <zadeck@naturalbridge.com>
13901 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13902 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13903 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13904 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13905 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13906 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13907 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13908 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13909 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13910 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13911 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13912 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13913 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13914 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13915 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13916 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13917 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13918 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13919 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13920 DF_SCAN_POST_ALLOC): New macros.
13921 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13922 df_free_bb_function, df_local_compute_function, df_init_function,
13923 df_dataflow_function, df_confluence_function_0,
13924 df_confluence_function_n, df_transfer_function,
13925 df_finalizer_function, df_free_function, df_dump_problem_function,
13926 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13927 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13928 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13929 df_urec_bb_info, ) New types.
13930 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13932 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13933 df_analyze_simple_change_some_blocks,
13934 df_analyze_simple_change_one_block, df_compact_blocks,
13935 df_bb_replace, df_bb_regno_last_use_find,
13936 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13937 df_insn_regno_def_p, df_find_def, df_find_use,
13938 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13939 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13940 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13941 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13942 debug_df_chain, df_get_dependent_problem, df_chain_create,
13943 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13944 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13945 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13946 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13947 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13948 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13949 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13950 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13951 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13952 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13953 df_reorganize_refs, df_set_state, df_hard_reg_init,
13954 df_read_modify_subreg_p) New public functions.
13955 * df-core.c: The core dataflow solver and glue routines for rtl
13957 (df_init, df_add_problem, df_set_blocks, df_finish,
13958 df_hybrid_search_forward, df_hybrid_search_backward,
13959 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13960 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13961 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13962 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13963 df_reg_defined, df_find_use, df_reg_used, df_dump,
13964 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13965 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13966 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13967 debug_df_useno, reset_df_after_reload): New functions.
13968 * df-scan.c: The scanning fuctions, once in df.c, completely
13969 rewritten so that they now fully model the functionality of
13970 register usage at the backend.
13971 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13972 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13973 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13974 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13975 df_get_artificial_defs, df_get_artificial_uses,
13976 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13977 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13978 df_refs_delete, df_reorganize_refs, df_set_state,
13979 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13980 df_def_record_1, df_defs_record, df_uses_record,
13981 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13982 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13983 df_record_exit_block_uses, df_hard_reg_init): New functions.
13985 * df-problems.c: Seven concrete dataflow problems that use the
13986 scanning in df-scan.c and are solved by the engine in df-core.c.
13987 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13988 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13989 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13990 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13991 df_ru_free_bb_info, df_ru_alloc,
13992 df_ru_bb_local_compute_process_def,
13993 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13994 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13995 df_ru_transfer_function, df_ru_free, df_ru_dump,
13996 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13997 df_rd_free_bb_info, df_rd_alloc,
13998 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13999 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14000 df_rd_transfer_function, df_rd_free, df_rd_dump,
14001 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14002 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14003 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14004 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14005 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14006 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14007 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14008 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14009 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14010 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14011 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14012 df_urec_mark_reg_use_for_earlyclobber,
14013 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14014 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14015 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14016 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14017 df_chain_create_bb_process_use, df_chain_create_bb,
14018 df_chain_finalize, df_chain_free, df_chains_dump,
14019 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14020 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14021 df_reg_lifetime): New functions.
14022 * df.c: Deleted file.
14023 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14024 consistent with new df api.
14025 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14026 rest_of_handle_sms): Ditto.
14027 * web.c (unionfind_union, union_defs, entry_register, web_main):
14029 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14030 invariant_expr_equal_p, find_defs, check_dependencies,
14031 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14032 free_inv_motion_data, move_loop_invariants): Ditto.
14033 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14034 Update dependencies.
14035 (odf.c): Added defective entry that was deleted later in day.
14036 * sched-deps.c (sched_analyze_1): Ditto.
14038 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14040 * tree-ssa-operands.c (get_expr_operands): Record addressable
14041 variables directly. Do not call add_stmt_operands for CONST_DECLs
14043 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14044 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14046 2006-01-11 Ben Elliston <bje@au.ibm.com>
14048 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14049 function returns true in the positive case.
14051 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14054 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14055 for SI, DI, SF and DF modes. Add alternatives to copy between
14056 general and floating point registers to the 32-bit patterns.
14057 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14058 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14059 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14060 generating 64-bit code.
14061 * config/pa/pa.c (output_move_double): Handle copies between general
14062 and floating registers.
14064 2006-01-10 Stuart Hastings <stuart@apple.com>
14066 * config/i386/i386.md (set_got): Update.
14067 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14068 (builtin_setjmp_receiver): Mach-O support.
14069 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14070 (GOT_SYMBOL_NAME): Define.
14071 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14072 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14073 * config/i386/i386.c (override_options): Revise for Darwin.
14074 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14075 support. (darwin_x86_file_end): New. (output_set_got): Add label
14076 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14077 * config/i386/i386-protos.h (output_set_got): Likewise.
14078 * config/darwin.c (machopic_legitimize_pic_address): Update
14081 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14083 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14084 when MODE isn't BLKmode.
14086 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14088 PR rtl-optimization/25367
14089 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14091 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14094 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14095 for a negative bound.
14097 2006-01-10 Richard Guenther <rguenther@suse.de>
14099 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14100 Never override with anything constraint.
14102 2006-01-10 Jan Beulich <jbeulich@novell.com>
14104 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14105 256 bits when optimize_size.
14107 2006-01-10 Jan Beulich <jbeulich@novell.com>
14109 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14111 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14112 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14115 2006-01-10 Ben Elliston <bje@au.ibm.com>
14117 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14119 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14120 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14121 (USE_FP_FOR_ARG): Reject decimal float modes.
14122 (function_arg_advance): Likewise.
14123 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14124 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14125 point types in AltiVec vectors.
14126 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14127 (rs6000_libcall_value): Likewise.
14129 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14131 * config/xtensa/ieee754-df.S: New file.
14132 * config/xtensa/ieee754-sf.S: New file.
14133 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14134 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14135 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14137 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14139 * config/sh/predicates.md (binary_float_operator,
14140 binary_logical_operator, commutative_float_operator,
14141 equality_comparison_operator, greater_comparison_operator,
14142 less_comparison_operator, logical_operator,
14143 noncommutative_float_operator, shift_operator,
14144 symbol_ref_operand, unary_float_operator): Remove redundant
14147 2006-01-09 Jeff Law <law@redhat.com>
14149 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14150 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14151 now unused arguments. Callers updated.
14152 (eliminate_redundant_computations): Remove now unused arguments,
14154 (local_fold): Remove, no longer used.
14155 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14157 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14158 (simplify_cond): New function.
14159 (forward_propagate_into_cond): Call simplify_cond.
14161 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14163 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14164 (*vec_extractv2di_1_sse): New.
14166 2006-01-09 Ben Elliston <bje@au.ibm.com>
14168 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14170 2006-01-08 Richard Guenther <rguenther@suse.de>
14172 * tree-ssa-structalias.c (get_constraint_for): Remove
14173 anyoffset argument.
14174 (get_constraint_for_component_ref): Likewise.
14175 (do_deref): Likewise.
14176 (get_constraint_for): Likewise.
14177 (do_structure_copy): Likewise.
14178 (handle_ptr_arith): Likewise.
14179 (find_func_aliases): Likewise. Remove unused need_anyoffset
14182 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14183 Kaz Kojima <kkojima@gcc.gnu.org>
14185 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14186 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14187 (EXTRA_CONSTRAINT_C16): Remove.
14188 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14189 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14190 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14191 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14192 constants of SHmedia. Handle nested constant expressions of
14194 (andcosts): Fix the costs for SHmedia constants.
14195 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14196 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14197 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14198 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14199 (movv4hi_i, movv2si_i): Likewise.
14200 (movsi_const): Adjust the second operand of ior so to match with
14201 the Csu constraint.
14202 (movdi_const, movdi_const_32bit): Likewise.
14203 (movdi_const_16bit+1): Don't sign-extend LOW.
14204 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14206 (*double_shori): Fix the split condition. Use GEN_INT instead
14207 of get_int_mode calls. Mask lower 16-bit of the argument of
14209 (sym2GOTPLT): Remove.
14210 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14212 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14213 instead of EXTRA_CONSTRAINT_C16.
14215 2006-01-07 Ian Lance Taylor <ian@airs.com>
14216 David Edelsohn <edelsohn@gnu.org>
14218 PR rtl-optimization/25662
14219 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14220 for constant operands instead of simplify_gen_binary.
14221 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14222 after trying simplify_binary_operation
14224 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14226 * tree.c (iterative_hash_expr): Hash decls based on UID.
14228 2006-01-06 Eric Christopher <echristo@apple.com>
14230 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14231 (TARGET_UNWIND_EMIT): Fix spelling.
14232 * target.h (gcc_target): Add except_table_label.
14233 * except.c (output_function_exception_table): Use.
14234 * varasm.c (default_emit_except_table_label): New.
14235 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14237 (asm_out): Add here.
14238 * output.h (default_emit_except_table_label): Prototype.
14239 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14240 * config/darwin.c (darwin_emit_except_table_label): Define.
14241 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14243 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14245 PR tree-optimization/18527
14246 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14247 number_of_iterations_special, number_of_iterations_exit):
14248 Move base and step of an iv to a single structure. Add
14249 no_overflow flag, and use it in # of iterations analysis.
14250 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14251 folded_casts argument.
14252 (simple_iv): Pass base and step in a structure. Set no_overflow
14254 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14255 Evaluate expensiveness of computing # of iterations instead of
14256 the final expression.
14257 * tree-scalar-evolution.h (affine_iv): New structure.
14258 (simple_iv): Declaration changed.
14259 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14260 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14261 find_givs_in_stmt): Changed due to simple_iv change.
14263 2006-01-06 Jeff Law <law@redhat.com>
14266 * tree-cfg.c (bsi_replace): Rename final argument from
14267 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14268 change (stmt -> orig_stmt).
14269 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14270 (bsi_remove): Add new argument. Remove EH information
14272 (verify_eh_throw_table_statements): New function.
14273 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14275 * tree-optimize.c (execute_free_cfg_annotations): Verify
14276 the EH throw statement table after removing annotations.
14277 * except.h (verify_eh_throw_table_statements): Prototype.
14278 * tree-flow.h (bsi_remove): Update prototype.
14279 * tree-vrp.c (remove_range_assertions): Add new argument to
14281 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14282 * tree-complex.c (expand_complex_div_wide): Likewise.
14283 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14284 * tree-tailcall.c (eliminate_tailcall): Likewise.
14285 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14286 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14287 * tree-nrv.c (tree_nrv): Likewise.
14288 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14289 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14290 (combine_blocks): Likewise.
14291 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14292 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14293 (cleanup_control_flow): Likewise.
14294 (remove_forwarder_block): Likewise.
14295 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14296 * tree-sra.c (sra_replace): Likewise.
14297 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14298 (forward_propagate_single_use_vars): Likewise.
14299 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14300 * tree-inline.c (expand_call_inline): Likewise.
14301 * tree-vect-transform.c (vect_transform_loop): Likewise.
14302 * tree-outof-ssa.c (rewrite_trees): Likewise.
14303 * tree-cfg.c (make_goto_expr_edges): Likewise.
14304 (cleanup_dead_labels): Likewise.
14305 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14306 (bsi_move_before, bsi_move_after): Likewise.
14307 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14308 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14310 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14313 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14315 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14316 on non gimple variables. Also add checks at the top for decls and
14318 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14320 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14321 and IMAGPART_EXPR for creating MUST_DEFs.
14322 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14323 and NAME_MEMORY_TAG separately from the DECLs.
14325 2006-01-06 Richard Guenther <rguenther@suse.de>
14327 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14328 annotation, if necessary.
14329 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14330 redundant calls to update_stmt.
14331 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14334 2006-01-05 Richard Henderson <rth@redhat.com>
14336 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14338 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14340 * c-typeck.c: Update copyright date.
14342 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14344 * c-typeck.c (build_c_cast): Always warn when casting
14345 from a pointer to an integer of different size, even if
14346 the node was constant.
14348 2006-01-05 Richard Guenther <rguenther@suse.de>
14350 PR tree-optimization/22555
14351 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14352 if one structure field is an array.
14353 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14354 operands even if we found a subvar, but ignore VOPs in this
14356 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14358 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14360 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14362 PR middle-end/24998
14363 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14365 2006-01-05 Richard Guenther <rguenther@suse.de>
14366 Diego Novillo <dnovillo@redhat.com>
14368 * tree-pass.h (TODO_remove_unused_locals): Define.
14369 * gimple-low.c (expand_var_p, remove_useless_vars,
14370 pass_remove_useless_vars): Remove. Update all users.
14371 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14372 (remove_unused_locals): New function.
14373 * tree-flow.h (remove_unused_locals): Declare.
14374 * passes.c (execute_todo): Call remove_unused_locals if
14375 TODO_remove_unused_locals is set.
14376 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14377 * tree-ssa-dce.c (pass_dce): Likewise.
14378 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14380 2006-01-05 Richard Guenther <rguenther@suse.de>
14382 * tree-flow.h (struct fieldoff): Decompose field to
14383 type, size and decl.
14384 * tree-ssa-alias.c (create_sft): Take type as parameter.
14385 (create_overlap_variables_for): Store type, size and decl
14386 in the fieldoff structure.
14387 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14388 of struct fieldoff.
14389 (push_fields_onto_fieldstack): Likewise.
14390 (create_variable_info_for): Likewise. Use offset for the
14391 SFT name if the decl is not available.
14393 2006-01-04 Paul Brook <paul@codesourcery.com>
14395 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14397 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14399 * lambda-code.c (can_put_in_inner_loop): Relax
14401 (can_put_after_inner_loop): New function.
14402 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14403 (perfect_nestify): Change to make copies and modify uses.
14405 2006-01-04 Richard Henderson <rth@redhat.com>
14407 Merge from gomp branch:
14408 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14409 via integer constant.
14410 (pragma_lex): Remove.
14411 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14412 rather than parsing it.
14413 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14414 handle_pragma_extern_prefix): Add %< %> quotes.
14415 (registered_pragmas): New.
14416 (c_register_pragma_1): New.
14417 (c_register_pragma): Use it.
14418 (c_register_pragma_with_expansion): Likewise.
14419 (c_invoke_pragma_handler): New.
14420 (init_pragma): Use cpp_register_deferred_pragma directly for
14422 * c-pragma.h (enum pragma_kind): New.
14423 (pragma_handler): New.
14424 (c_invoke_pragma_handler): Declare.
14425 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14427 * c-common.h (c_common_pch_pragma): Update decl.
14428 * Makefile.in (c-parser.o): Update dependencies.
14429 (GTFILES): Add c-pragma.h.
14430 * c-parser.c (struct c_token): Add pragma_kind.
14431 (struct c_parser): Add in_pragma.
14432 (c_lex_one_token): Always initialize keyword and pragma_kind.
14433 Extract data for CPP_PRAGMA.
14434 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14435 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14436 Don't allow CPP_PRAGMA_EOL if in_pragma.
14437 (c_parser_consume_pragma): New.
14438 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14439 (c_parser_skip_to_end_of_parameter): Likewise.
14440 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14441 (c_parser_skip_to_pragma_eol): New.
14442 (c_parser_external_declaration): Handle CPP_PRAGMA.
14443 (c_parser_compound_statement_nostart): Likewise.
14444 (c_parser_statement_after_labels): Likewise.
14445 (c_parser_pragma): New.
14446 (pragma_lex): Likewise.
14447 (c_parser_pragma_pch_preprocess): New.
14448 (c_parser_new): Merge into ...
14449 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14451 2006-01-04 Jeff Law <law@redhat.com>
14454 * tree-cfg.c (bsi_replace): Remove the original statement
14455 from the EH throw statement table.
14457 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14459 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14460 make the prototype extern "C" and add throw ().
14463 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14464 and pos non-negative and pos + len <= 32.
14465 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14466 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14467 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14470 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14471 as well as sizes not multiple of component size.
14474 * function.c (instantiate_expr): New function.
14475 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14476 walk its DECL_VALUE_EXPR with instantiate_expr.
14478 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14479 DW_OP_deref{,_size} if address isn't going to be added.
14481 2006-01-04 Ben Elliston <bje@au.ibm.com>
14483 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14484 * config/fp-bit.c: Likewise.
14486 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14488 * dominance.c: Add comment about why we use DFS numbering
14491 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14492 Richard Henderson <rth@redhat.com>
14494 Merge from gomp-branch:
14495 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14496 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14498 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14500 PR rtl-optimization/25578
14501 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14502 pass a parameter to simplify_shift_const if changing ASHIFTRT
14505 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14507 * builtins.c (get_builtin_sync_mem): New function.
14508 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14509 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14510 Call get_builtin_sync_mem to generate mem rtx.
14512 2006-01-03 Richard Guenther <rguenther@suse.de>
14515 * stmt.c (add_case_node): Make sure to clear overflow flags
14518 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14520 Merge from gomp-branch.
14521 * config/sparc/sync.md: New file.
14522 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14523 UNSPECV_LDSTUB): New constants.
14524 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14525 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14526 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14529 2006-01-03 Roger Sayle <roger@eyesopen.com>
14531 * combine.c (reg_subword_p): New predicate to test whether the
14532 destination of a set refers to a subword/piece of a register.
14533 (try_combine): Generalize the code to merge the setting of a
14534 pseudo to a constant followed by a set of a subword of that
14535 register to a constant.
14537 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14539 * basic-block.h (control_flow_graph): Change the type of
14540 x_label_to_block_map to VEC(basic_block,gc) *.
14541 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14542 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14544 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14545 VEC(basic_block,heap) *.
14546 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14547 ssa_prop_fini): Adjust the uses of cfg_blocks.
14549 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14551 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14553 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14554 hashing trees instead of a pointer hash.
14555 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14556 compare for MEM_EXPR.
14558 PR rtl-optimization/25130
14559 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14560 when comparing MEMs for GCSE
14562 2006-01-03 Ben Elliston <bje@au.ibm.com>
14564 * targhooks.h (default_decimal_float_supported_p): Declare.
14565 * targhooks.c (default_decimal_float_supported_p): Define.
14566 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14567 `default_decimal_float_supported_p'.
14568 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14570 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14572 * combine.c (apply_distributive_law <SUBREG>): Check
14573 TRULY_NOOP_TRUNCATION.
14575 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14577 * dwarf2out.c (have_switched_text_section): Delete.
14578 (have_multiple_function_sections): New.
14579 (have_location_lists): Make 'bool'.
14580 (add_AT_loc_list): Use 'true' not '1'.
14581 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14582 (output_loc_list): Use have_multiple_function_sections.
14583 (output_ranges): Likewise.
14584 (dwarf2out_begin_function): Set have_multiple_function_sections if
14586 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14587 Check function_section rather than DECL_SECTION_NAME.
14588 (dwarf2out_finish): Use have_multiple_function_sections.
14589 Don't clear have_location_lists.
14591 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14592 Jan Hubicka <jh@suse.cz>
14594 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14595 case of conditional jump jumping to the next instruction.
14596 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14597 cases of conditional jump jumping to the next instruction.
14599 2006-01-02 Jan Hubicka <jh@suse.cz>
14601 * i386.c (*_cost): Add COSTS_N_INSNS.
14602 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14604 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14607 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14609 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14611 * config/arm/arm.c (all_fpus): Fix comment typo.
14612 * config/darwin.c: Likewise.
14613 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14614 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14615 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14617 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14619 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14620 (rs6000_split_compare_and_swapqhi): New.
14621 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14622 (sync_compare_and_swapqhi_internal): New.
14623 * config/rs6000/rs6000-protos.h: Declare.