1 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
4 * gcc.c (main): Include the target in -v output.
6 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
8 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9 Do not drop the extend if we'd have to add a paradoxical subreg
10 later. Include optabs.h and insn-codes.h.
11 * Makefile.in (combine.o): Depend on $(OPTABS_H).
13 2005-02-02 Roger Sayle <roger@eyesopen.com>
16 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
17 * fold-const.c (const_binop): Avoid constant folding floating
18 point operations in modes that use composite representations.
19 * simplify-rtx.c (simplify_binary_operation): Likewise.
21 2005-02-02 Geoffrey Keating <geoffk@apple.com>
23 * config/rs6000/altivec.md (altivec_dst): Make the first operand
25 (altivec_dstt): Likewise.
26 (altivec_dstst): Likewise.
27 (altivec_dststt): Likewise.
28 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
31 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
33 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
34 EXPR_LOCUS from orig_cond to the new cond_stmt.
35 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
38 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
40 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
41 standard_iv_increment_position. Remove call to bsi_next
42 (no need to bump the iterator anymore).
43 (vect_create_index_for_vector_ref): Call
44 standard_iv_increment_position. Remove second function argument.
45 (vect_finish_stmt_generation): Remove call to bsi_next
46 (no need to bump the iterator anymore).
47 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
48 to vect_create_index_for_vector_ref.
50 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
52 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
53 phis are used out of the loop.
55 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
58 * c-decl.c (undef_nested_function): New variable.
59 (pop_scope): Diagnose undefined nested functions.
60 (finish_function): Don't attempt cgraph processing or genericizing
61 if current top-level function contained an undefined nested
62 function. Reset undef_nested_function at the end of a top-level
65 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
67 * tree.c (build_int_cst_type): Take sign of the value into account
68 when deciding whether sign extend the value.
70 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
73 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
74 (cpp_options, cc1_options): Change %{std*&ansi} to
75 %{std*&ansi&trigraphs}.
77 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
79 * cse.c: Update comments.
81 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
83 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
84 arguments go on the stack. Do not put complex doubles in odd/even
87 2005-02-02 Steven Bosscher <stevenb@suse.de>
89 * doc/invoke.texi: Update the options enabled at -O1, -O2,
90 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
91 -ftree-pre, and -fthread-jumps.
93 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
95 PR tree-optimization/19578
96 * tree-flow.h (modified_noreturn_calls): Declare.
97 (noreturn_call_p): Declare.
98 * tree-flow-inline.h (noreturn_call_p): New function.
99 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
100 * tree-cfg.c (modified_noreturn_calls): New variable.
101 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
102 that contain a mid-block noreturn call.
103 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
105 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
107 * df.c (df_def_record_1, df_uses_record): Don't use
109 * df.h (DF_FOR_REGALLOC): Remove.
111 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
114 * c-typeck.c (really_start_incremental_init): Reset
115 constructor_max_index for arrays of incomplete type.
117 2005-02-02 Jeff Law <law@redhat.com>
119 * gcse.c (struct reg_set): Store the block index where the register
120 was set rather than the setting insn.
121 (record_one_set, compute_transp): Corresponding changes.
122 (pre_insert_copy_insn): Do not call replace_one_set.
123 (replace_one_set): Remove.
125 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
128 * doc/gcov.texi: Fix typo.
130 2005-02-01 Richard Henderson <rth@redhat.com
133 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
134 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
136 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
137 * config/i386/i386-protos.h: Update.
139 2005-02-01 Steven Bosscher <stevenb@suse.de>
141 PR tree-optimization/19217
142 * tree-cfg.c (verify_expr): Use the data field to see if TP was
143 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
144 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
145 that it is walking a PHI node.
147 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
149 * doc/extend.texi (Nested Functions): Update.
151 2005-02-01 Richard Henderson <rth@redhat.com>
154 * optabs.c (expand_copysign_absneg): Export.
155 * optabs.h (expand_copysign_absneg): Declare.
156 * config/rs6000/rs6000.md (copysigntf3): New.
158 2005-02-01 Diego Novillo <dnovillo@redhat.com>
160 PR tree-optimization/19633
161 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
162 * tree-ssa-alias.c (init_alias_info): Initialize.
163 (merge_pointed_to_info): Set.
164 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
165 (dump_points_to_info_for): Show value of pt_null.
166 (struct count_ptr_d): Declare.
167 (find_ptr_dereference): Remove.
168 (ptr_is_dereferenced_by): Remove.
169 (count_ptr_derefs): New local function.
170 (count_uses_and_derefs): New local function.
171 (compute_points_to_and_addr_escape): Call it. If the number
172 of dereferences is greater than zero, mark the pointer as
173 dereferenced. If there are fewer dereferences than uses of
174 the pointer, the pointer's value escapes.
176 2005-02-01 Diego Novillo <dnovillo@redhat.com>
178 PR tree-optimization/19670
179 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
181 (verify_use): ... set it here, instead.
183 2005-02-01 Janis Johnson <janis187@us.ibm.com>
185 * doc/sourcebuild.texi (Test directives): Fix formatting.
187 * doc/sourcebuild.texi (Test directives): Describe selector
190 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
192 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
193 specific 64-bit CPUs.
195 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
198 * arm.c (arm_eliminable_register): New function.
199 (adjacent_mem_locations): Don't allow eliminable registers. Use
200 HOST_WIDE_INT for address offsets.
201 * arm-protos.h (arm_eliminable_register): Add prototype.
203 2005-02-01 Steven Bosscher <stevenb@suse.de>
205 PR optimization/15242
206 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
207 * basic-block.h (duplicate_computed_gotos): Add prototype.
208 * bb-reorder.c (duplicate_computed_gotos): New function to
209 duplicate sufficiently small blocks ending in a computed jump.
210 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
211 if not optimizing for size.
212 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
213 never do tail merging for blocks ending in a computed jump.
214 * doc/invoke.texi: Document the max-goto-duplication-insns param.
216 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
218 Patch from Richard Sandiford <rsandifo@redhat.com>
219 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
220 from inheriting a subreg equivalence with a non-spill register.
222 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
224 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
226 * config/frv/frv.c (movcc_fp_destination_operand): New.
227 (gpr_or_memory_operand): Fix typo in comment.
228 (gpr_or_memory_operand_with_scratch): New.
229 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
230 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
231 movcc_fp_destination_operand.
232 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
233 Legitimize memory addresses using a scratch register.
235 2005-01-31 Jeff Law <law@redhat.com>
237 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
238 bitmap a sparse bitmap instead of a simple bitmap.
239 (mark_def_sites_initialize_block): Corresponding changes.
240 (ssa_mark_def_sites_initialize_block): Likewise.
241 (ssa_mark_phi_uses): Likewise.
242 (mark_def_site, ssa_mark_def_sites): Likewise.
243 (mark_def_site_blocks): Likewise.
244 (rewrite_ssa_into_ssa): Likewise.
246 * tree-ssa-dom.c (record_cond): Pass correct variable type
247 for last argument to htab_find_slot_with_hash.
249 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
250 effects when optimizing 0 % X. Do not try to optimize X % 0.
252 2005-01-31 James E. Wilson <wilson@specifixinc.com>
254 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
257 2005-02-01 Eric Christopher <echristo@redhat.com>
259 * config/mips/mips.c (override_options): Warn if -mint64
261 * doc/invoke.texi (MIPS Options): Document that -mint64 is
264 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
266 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
268 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
269 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
270 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
271 (cached_regno): Initialize to INVALID_REGNUM.
272 (cse_reg_info_table_size,
273 cse_reg_info_table_first_uninitialized,
274 cse_reg_info_timestamp): New.
275 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
277 (init_cse_reg_info, get_cse_reg_info_1): New.
278 (get_cse_reg_info): Cache the last look-up.
279 (new_basic_block): Update the code to clear mappings from
280 registers to cse_reg_info entries.
281 (cse_main): Call init_cse_reg_info.
283 * cse.c (get_cse_reg_info): Update a comment.
285 2005-01-31 Steven Bosscher <stevenb@suse.de>
288 * c-decl.c (start_decl): Do not warn about arrays of elements with
289 an incomplete type here.
290 (grokdeclarator): Do it here by making a pedwarn an error.
291 * c-typeck.c (push_init_level): If there were previous errors with
292 the constructor type, do not warn about braces for initializers.
293 (process_init_element): Likewise for excess initializer elements.
295 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
297 * cse.c (delete_trivially_dead_insn): Don't iterate.
299 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
301 * config/rs6000/rs6000.md (copysignsf3): New expand.
302 (copysigndf3): Likewise.
304 2005-01-31 Steven Bosscher <stevenb@suse.de>
306 * recog.c (constrain_operands): Only look for earlyclobber operand
307 conflicts if an '&' constraint was seen.
309 2005-01-31 Marc Espie <espie@openbsd.org>
311 * config.gcc: Don't include embedded systems fragment, switches default
312 debugging format to ELF.
313 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
314 longer pick it up there.
316 2005-01-31 Dale Johannesen <dalej@apple.com>
318 * doc/extend.texi (nested functions): Fix linkage description.
319 Clarify that static is not allowed.
321 2005-01-31 Dale Johannesen <dalej@apple.com>
323 * config/rs6000/darwin.md (movsf_low_di): Make work.
324 (movdf_low_di): Make work.
326 2005-01-31 Dale Johannesen <dalej@apple.com>
328 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
329 Make work for 64 bit.
331 2005-01-31 Roger Sayle <roger@eyesopen.com>
332 Dale Johannesen <dalej@apple.com>
335 * fold-const.c (fold_binary_op_with_conditional_arg):
336 Make types match original operands, before STRIP_NOPS.
338 2005-01-31 Alan Modra <amodra@bigpond.net.au>
340 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
341 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
342 (struct gcc_sigcontext): Delete. Merge contents to..
343 (struct gcc_ucontext): ..here.
344 (get_sigcontext): Delete.
345 (get_regs): New function, like get_sigcontext but return regs ptr.
346 64-bit version finds regs from r1 to support vdso.
347 (ppc_linux_aux_vector): New function.
348 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
351 2005-01-31 Ira Rosen <irar@il.ibm.com>
353 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
355 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
356 redundant fold. Fix misalignment for MINUS_EXPR.
357 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
358 (vect_analyze_pointer_ref_access): Likewise.
359 (vect_get_memtag_and_dr): Likewise.
361 2005-01-31 Richard Henderson <rth@redhat.com>
363 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
364 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
365 absnegdf2_i387, absnegxf2_i387): Likewise.
367 2005-01-31 Richard Henderson <rth@redhat.com>
370 * optabs.c (expand_copysign_absneg): New.
371 (expand_copysign_bit): Split out from ...
372 (expand_copysign): ... here. Use expand_copysign_absneg.
374 2005-01-30 Roger Sayle <roger@eyesopen.com>
377 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
378 constant as the second operand and a register as the third.
380 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
383 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
384 that dllimport'd functions do not use all call-clobbered registers
387 2005-01-30 Richard Henderson <rth@redhat.com>
390 * optabs.c (expand_absneg_bit): Split out from expand_unop and
391 expand_abs_nojump and generalize. Use operand_subword and
392 emit_no_conflict_block. Support large modes.
393 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
395 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
396 negation to subtraction.
397 (expand_copysign): Check that the format has signed zeros.
398 Use operand_subword and emit_no_conflict_block. Support large modes.
400 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
402 Fix PR tree-optimization/19624
404 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
405 * tree-ssa-pre.c: Add cfgloop.h.
407 (pre_stats): New member, constified.
408 (inserted_exprs): New static variable.
409 (NECESSARY): New macro.
410 (create_expression_by_pieces): Fold the expression, and
411 mark it as defaulting to not necessary. Also put in
413 (fully_constant_expression): New function.
414 (insert_into_preds_of_block): Modify to not insert phis when we
415 are playing with induction variables.
416 Push phis onto the inserted_exprs vector, and mark them as not
417 necessary by default.
418 (insert_aux): Call fully_constant_expression on eprime.
419 If all edges produce the same value, mark it constant.
420 (mark_operand_necessary): New function.
421 (remove_dead_inserted_code): New function.
422 (init_pre): Init loop optimizer to get loop info.
423 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
424 (execute_pre): Commit edge inserts, then remove dead code.
426 2005-01-30 Richard Henderson <rth@redhat.com>
428 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
429 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
431 2005-01-30 Richard Henderson <rth@redhat.com>
434 * config/i386/i386.c (ix86_expand_copysign): New.
435 (ix86_split_copysign_const): New.
436 (ix86_split_copysign_var): Rename from ix86_split_copysign,
437 rearrange op1/nmask operands.
438 * config/i386/i386-protos.h: Update.
439 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
440 (copysigndf3): Likewise.
441 (copysignsf3_const, copysigndf3_const): New.
442 (copysignsf3_var): Rename from copysignsf3, split out splitter
443 and fix split predicate for X constraint.
444 (copysigndf3_var): Similarly.
446 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
448 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
449 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
450 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
452 2005-01-29 Richard Henderson <rth@redhat.com>
455 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
456 of # and * in constraints.
458 2005-01-29 Richard Henderson <rth@redhat.com>
461 * expr.c (store_field): Don't strip sub-mode cast when the input
462 data is even smaller.
464 2005-01-29 Richard Henderson <rth@redhat.com>
467 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
470 2005-01-29 Richard Henderson <rth@redhat.com>
472 * combine.c (make_field_assignment): Fix argument order
475 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
477 PR tree-optimization/15791
478 * fold-const.c (extract_array_ref): New function.
479 (fold): Fold comparisons between &a[i] and &a[j] or
480 semantically equivalent trees.
482 2005-01-29 Jeff Law <law@redhat.com>
484 * gcse.c (insert_expr_in_table): Revamp handling of available
485 and anticipatable occurrence lists to avoid unnecessary list
487 (insert_set_in_table): Similarly.
489 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
491 * c-common.c (fix_string_type): Just use c_build_qualified_type to
493 (c_build_qualified_type): Build qualified array types with
494 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
495 * c-decl.c (c_make_fname_decl): Build unqualified array type
496 before qualified type.
497 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
498 type is qualified, not just if type itself is. Don't apply
499 qualifiers to array type when declarator is processed. Apply
500 qualifiers to field type whether or not it is an array type.
501 Don't handle array types specially for applying qualifiers to
503 * c-typeck.c (composite_type): Build unqualified element type and
504 array type when forming composite of array types.
505 (common_pointer_type, comptypes, comp_target_types,
506 type_lists_compatible_p, build_indirect_ref, build_array_ref,
507 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
509 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
510 (args2) in variables a1 and a2.
512 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
514 * cse.c (n_elements_made, max_elements_made): Remove.
515 (insert): Don't touch n_elements_made.
516 (cse_main): Don't touch n_elements_made or max_elements_made.
518 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
521 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
522 configuration part of dp-bit.c to be lost.
524 2005-01-28 Roger Sayle <roger@eyesopen.com>
526 * expmed.c (expand_mult_highpart_optab): When attempting to use
527 a non-widening multiplication in a wider mode, the operands need
528 to be converted (zero or sign extended) to that mode.
530 2005-01-28 Ian Lance Taylor <ian@airs.com>
534 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
535 through if both operands fall through.
537 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
539 * cse.c (fold_rtx) <PC>: Don't optimize.
541 2005-01-28 Jeff Law <law@redhat.com>
543 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
544 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
546 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
548 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
549 cse_reg_info_used_list_end): Remove.
550 (cse_reg_info_list, cse_reg_info_list_free): New.
551 (get_cse_reg_info): When allocating an instance of
552 cse_reg_info, add it to the beginning of the cse_reg_info_list
553 list. Remove code to maintain cse_reg_info_used_list.
554 (new_basic_block): Reset the free list to the beginning of
557 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
559 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
560 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
561 (frv_expand_mdpackh_builtin): New function.
562 (frv_expand_builtin): Use it to expand __MDPACKH.
563 * doc/extend.texi (__MDPACKH): Update documentation.
565 2005-01-28 Uros Bizjak <uros@kss-loka.si>
567 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
568 SSE_FLOAT_MODE_P for use_sse computation.
570 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
573 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
575 2005-01-27 Richard Henderson <rth@redhat.com>
577 * builtins.c (expand_builtin_copysign): New.
578 (expand_builtin): Call it.
579 * genopinit.c (optabs): Add copysign_optab.
580 * optabs.c (init_optabs): Initialize it.
581 (expand_copysign): New.
582 * optabs.h (OTI_copysign, copysign_optab): New.
583 (expand_copysign): Declare.
585 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
586 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
588 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
589 (ix86_expand_fp_absneg_operator): ... here.
590 (ix86_split_copysign): New.
591 * config/i386/i386-protos.h: Update.
592 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
593 (copysignsf3, copysigndf3): New.
595 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
596 (copysignsf3, ncopysignsf3): New.
597 (copysigndf3, ncopysigndf3): New.
598 (copysignxf3, ncopysignxf3): New.
599 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
601 2005-01-27 Arend Bayer <arend.bayer@web.de>
602 Kazu Hirata <kazu@cs.umass.edu>
604 * cse.c: (find_best_addr): Don't call copy_rtx before calling
605 fold_rtx. Save cost recomputation if fold_rtx did nothing.
606 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
609 2005-01-27 Jeff Law <law@redhat.com>
611 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
612 definitions of SSA_NAMEs which are not being rewritten.
613 (rewrite_ssa_into_ssa): Only initialize the current definition
614 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
615 If checking is enabled, assert that SSA_NAME_AUX is clear for all
616 SSA_NAMEs before returning.
618 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
620 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
621 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
622 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
623 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
624 config/mips/iris6.h, config/sh/sh.c: Update copyright.
626 2005-01-27 Steven Bosscher <stevenb@suse.de>
629 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
630 higher to -O2 and higher. Likewise for tree PRE.
631 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
634 2005-01-27 Ian Lance Taylor <ian@airs.com>
637 * gimple-low.c (try_catch_may_fallthru): New static function.
638 (block_may_fallthru): Handle TRY_CATCH_EXPR.
639 * tree-inline.c (expand_call_inline): Don't warn about reaching
640 the end of a non-void function being inlined if the function uses
643 2005-01-27 Jakub Jelinek <jakub@redhat.com>
645 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
648 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
649 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
650 (implicitly_declare): Handle error_mark_node.
652 2005-01-27 Richard Henderson <rth@redhat.com>
655 * tree.h (struct tree_decl): Add debug_expr_is_from.
656 (DECL_DEBUG_EXPR_IS_FROM): New.
657 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
658 * dwarf2out.c (dwarf2out_var_location): Update to match.
659 * tree-outof-ssa.c (create_temp): Likewise.
660 * var-tracking.c (track_expr_p): Likewise.
661 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
662 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
663 * toplev.c (default_tree_printer): Likewise.
665 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
667 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
668 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
670 2005-01-27 Steven Bosscher <stevenb@suse.de>
672 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
673 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
674 ASM_CLOBBERS): Add tree checks.
676 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
677 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
678 * c-common.def (SWITCH_STMT): Update to match.
679 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
680 macros instead of SWITCH_EXPR ones.
681 * c-dump.c (c_dump_tree): Likewise.
682 * c-gimplify.c (gimplify_switch_stmt): Likewise.
683 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
685 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
687 2005-01-27 Alan Modra <amodra@bigpond.net.au>
689 * unwind-dw2.c (execute_stack_op): Add missing cases for
690 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
692 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
694 * config.gcc (Obsolete configurations): Remove 'dummy', add
695 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
698 2005-01-26 Diego Novillo <dnovillo@redhat.com>
700 PR tree-optimization/19633
701 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
703 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
704 are no call-clobbered variables.
705 * tree-outof-ssa.c (check_replaceable): Return false for calls
708 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
710 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
711 even for variables with NULL DECL_INITIAL.
713 2005-01-26 Stuart Hastings <stuart@apple.com>
715 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
717 2005-01-26 Richard Henderson <rth@redhat.com>
720 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
722 * expr.c (store_field): Strip conversions to odd-bit-sized types
723 if the destination field width matches.
725 2005-01-26 Richard Henderson <rth@redhat.com>
727 * c-decl.c, expmed.c, expr.c: Revert last change.
729 2005-01-26 Richard Henderson <rth@redhat.com>
732 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
734 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
735 if we don't need the bits above those present in the current mode.
736 * expr.c (store_field): Strip conversions to odd-bit-sized types
737 if the destination field width matches.
739 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
741 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
742 either -ffast-math or -funsafe-math-optimizations is in use.
744 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
748 * config/avr/avr.c (notice_update_cc): Only set condition code for
749 ashrqi3 if shift count > 0.
750 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
751 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
752 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
753 count <= 0 as a no-op, and shift count >= width by copying zero
754 or sign bit to all bits of the result.
755 * config/avr/avr.md (all shifts): Add alternatives for zero shift
756 count, with attribute "length" set to 0 and "cc" set to "none".
758 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
760 * doc/invoke.texi: Document -mTLS.
762 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
763 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
764 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
765 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
766 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
767 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
768 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
769 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
771 * configure.ac: Check for a TLS capable gas.
773 * configure: Regenerate.
775 2005-01-26 Richard Henderson <rth@redhat.com>
778 * combine.c (make_field_assignment): Simplify store to zero_extract
779 from a source with an overlapping mask.
781 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
783 2004-11-11 Eric Christopher <echristo@redhat.com>
785 * config/frv/frv.md: Add fr400_integer automaton. Don't
786 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
789 2005-01-26 Steven Bosscher <stevenb@suse.de>
792 * cfgbuild.c (make_edges): Do not clear or set
793 current_function_has_computed_jump.
794 * function.h (struct function): Remove the has_computed_jump field.
795 (current_function_has_computed_jump): Do not define.
796 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
797 in a computed jump. Ignore current_function_has_computed_jump.
799 2005-01-26 Richard Henderson <rth@redhat.com>
802 * expr.c (categorize_ctor_elements): New argument p_must_clear.
803 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
805 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
806 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
807 objects into static storage if they have more than one non-zero value.
808 * tree.h (categorize_ctor_elements): Update decl.
810 2005-01-26 Steven Bosscher <stevenb@suse.de>
813 * tree.h (CALL_EXPR_TAILCALL): Add comment.
814 * calls.c (check_sibcall_argument_overlap_1): Revert the change
815 to this function from 2004-07-10.
816 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
817 the current function for tail call optimizations if the address
818 of one of it its arguments is taken.
820 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
822 * cse.c (fold_rtx): Call equiv_constant only when necessary.
824 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
826 * function.c (expand_function_end): If current_function_calls_alloca,
827 emit stack restore in a place that is reached when the function falls
830 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
832 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
833 rule to avoid matching inappropriate suffix rule.
835 2005-01-26 Jan Hubicka <jh@suse.cz>
837 PR tree-optimization/19241
838 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
840 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
842 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
843 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
845 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
846 <sim*>: Always use crt1.o, regardless of N in simN.
847 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
848 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
849 (CRT_CALL_STATIC_FUNCTION): Remove.
850 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
851 use crt1.o, regardless of N in simN.
852 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
853 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
854 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
855 case isystem setting.
856 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
858 2005-01-25 Ian Lance Taylor <ian@airs.com>
860 * gimple-low.c (block_may_fallthru): Correct handling of
861 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
863 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
865 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
866 handlers to match indentation; nested under the mtune=* handler.
867 Similar for mcpu= and march=.
869 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
871 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
872 * config/mips/linux64.h (LIB_SPEC): Likewise.
873 * config/mn10300/linux.h (LIB_SPEC): Likewise.
874 * config/sh/linux.h (LIB_SPEC): Likewise.
876 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
878 * config/frv/frv.c (frv_legitimize_tls_address): New.
879 (TARGET_HAVE_TLS): Define.
880 (FRV_SYMBOL_REF_TLS_P): Define.
881 (frv_override_options): Handle new register classes.
882 (frv_legitimate_address_p): Reject tls addresses.
883 (frv_legitimize_address): Handle TLS addresses.
884 (gen_inlined_tls_plt): New.
886 (frv_legitimize_tls_address): New.
887 (unspec_got_name): Add TLS entries.
888 (got12_operand): Add R_FRV_TLSMOFF12 case.
889 (frv_emit_move): Fixup TLS addresses.
890 (frv_emit_movsi): Legitimize TLS addresses.
892 * config/frv/frv.h (MASK_BIG_TLS): New.
893 (TARGET_BIG_TLS): New.
894 (HAVE_AS_TLS): Define.
895 (TARGET_SWITCHES): Add -mTLS and -mtls options.
896 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
897 (REG_CLASS_NAMES): Same.
898 (REG_CLASS_CONTENTS): Same.
899 (CONSTRAINT_LEN): New.
900 (REG_CLASS_FROM_CONSTRAINT): New.
901 (PREDICATE_CODES): Add symbolic_operand.
903 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
904 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
905 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
906 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
907 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
908 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
909 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
910 GR9_REG, GR14_REG, LRREG.
911 (type): Add load_or_call attribute.
912 ("load_or_call"): New reservation.
913 ("call_gettlsoff"): New.
914 ("tls_indirect_call"): New.
915 ("tls_load_gottlsoff12"): New.
916 ("tlsoff_hilo"): New.
917 ("tls_tlsdesc_ldd"): New.
918 ("tls_tlsoff_ld"): New.
921 * config/frv/frv-protos.h (symbolic_operand): Protoize.
923 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
925 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
926 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
927 * config/frv/frv.c (TLS_BIAS): Define.
928 (frv_output_dwarf_dtprel): New.
930 2005-01-26 Jakub Jelinek <jakub@redhat.com>
932 PR rtl-optimization/19579
933 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
934 both A and B, see if they don't clobber registers the other expr uses.
936 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
938 * real.c (do_add): Initialize signalling and canonical members.
940 * real.c (real_from_integer): Zero out destination.
942 2005-01-18 Jan Hubicka <jh@suse.cz>
944 PR tree-optimize/19337
945 * tree-inline.c (initialize_inlined_parameters): Copy
946 saved_static_chain_decl only.
948 2005-01-25 Richard Henderson <rth@redhat.com>
952 * config/i386/i386.c (x86_inter_unit_moves): Zero.
953 (ix86_preferred_reload_class): Rewrite fp-constant section, with
954 80387 enabled, to return a proper subclass. Return the subset that
955 overlaps with GENERAL_REGS for PLUS.
956 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
958 2005-01-25 Richard Henderson <rth@redhat.com>
961 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
963 2005-01-25 Roger Sayle <roger@eyesopen.com>
965 * expmed.c (choose_multiplier): Change interface to return the
966 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
967 (expand_divmod): Update calls to choose_multiplier.
969 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
972 * expmed.c (extract_bit_field): Use adjust_address instead of
973 gen_lowpart when op0 is a MEM.
975 2005-01-24 Steven Bosscher <stevenb@suse.de>
977 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
979 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
981 * config/mips/irix-csr.c: New file.
982 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
983 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
984 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
987 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
990 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
991 sparc/elf.h, add sparc/sp-elf.h.
992 (sparc-*-rtems*): Likewise.
993 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
994 tm-dwarf2.h, add sparc/sp-elf.h.
995 (sparc86x-*-elf): Likewise.
996 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
997 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
998 TARGET_OS_CPP_BUILTINS.
999 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
1000 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
1002 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
1003 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
1004 (SWITCH_TAKES_ARG): Likewise.
1005 (LOCAL_LABEL_PREFIX): Likewise.
1006 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1007 (TARGET_N_FORMAT_TYPES): Delete.
1008 (TARGET_FORMAT_TYPES): Likewise.
1009 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1010 * config/sparc/elf.h: Delete.
1011 * config/sparc/sp-elf.h: New file.
1013 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
1015 * tree-flow-inline.h (phi_arg_from_edge): Remove.
1016 * tree-flow.h: Remove the corresponding prototype.
1017 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
1018 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
1020 2005-01-24 Jakub Jelinek <jakub@redhat.com>
1023 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
1024 for AIX ABI or ELF -fPIC.
1025 (rs6000_emit_load_toc_table): Don't create toc_section here.
1026 (rs6000_xcoff_file_start): Nor here.
1028 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
1030 * sh.c (ra.h): Don't #include.
1031 (hard_regs_intersect_p): New function, resurrected from ra.c.
1033 * sh.c: Fix 1996 Copyright.
1035 2005-01-24 Richard Henderson <rth@redhat.com>
1036 Aldy Hernandez <aldyh@redhat.com>
1038 * regrename.c (note_sets): Handle subregs.
1040 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
1043 * genconditions.c (write_header, write_conditions): Elide file if
1046 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
1048 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
1049 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
1052 2005-01-24 Jakub Jelinek <jakub@redhat.com>
1054 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
1055 expand_builtin_printf, expand_builtin_fprintf,
1056 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
1057 checking against POINTER_TYPE.
1058 (validate_arglist): Handle POINTER_TYPE code by checking
1061 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
1063 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
1065 (for_each_rtx): Call for_each_rtx_1.
1066 * rtl.h (init_rtlanal): Declare.
1067 * toplev.c (backend_init): Call init_rtlanal.
1069 2005-01-24 Jakub Jelinek <jakub@redhat.com>
1071 * flow.c (propagate_one_insn): Formatting.
1074 * flow.c (libcall_dead_p): Be more conservative if unsure.
1075 If there are any instructions between insn and call, see if they are
1076 all dead before saying the libcall is dead.
1078 2005-01-24 Uros Bizjak <uros@kss-loka.si>
1080 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
1081 operand constraint for operand 0.
1083 2005-01-23 Richard Henderson <rth@redhat.com>
1086 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
1087 edges leading to join block.
1089 2005-01-23 Roger Sayle <roger@eyesopen.com>
1091 * expmed.c (expand_mult_highpart): Make static. Change type of
1092 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
1093 (expand_divmod): Updates calls to expand_mult_highpart by using
1094 gen_int_mode to pass a CONST_INT rtx.
1095 * rtl.h (expand_mult_highpart): Remove prototype.
1097 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
1099 * flow.c (regset_bytes, regset_size): Remove.
1101 * cfganal.c: Fix a reference to Harvey's paper.
1103 2005-01-23 Steven Bosscher <stevenb@suse.de>
1105 PR rtl-optimization/19464
1106 * tree-optimize.c (init_tree_optimization_passes): Add one more
1107 copyrename pass just before out-of-ssa.
1109 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
1112 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
1113 * ggc-none.c (ggc_free): Define.
1115 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
1117 * cse.c (max_reg, max_insn_uid): Remove.
1118 (cse_main): Don't access max_reg or max_insn_uid.
1120 * c-common.c (explicit_flag_signed_bitfields,
1121 lang_statement_code_p, lang_expand_function_end): Remove.
1122 * c-common.h: Remove the corresponding declarations.
1123 * c-opts.c (c_common_handle_option): Remove all write access
1124 to explicit_flag_signed_bitfields.
1126 * cgraph.c (cgraph_varpool_n_nodes): Remove.
1127 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
1128 * cgraph.h: Remove the corresponding declaration.
1130 * gcse.c (null_pointer_info): Remove.
1132 2005-01-23 Roger Sayle <roger@eyesopen.com>
1133 Eric Botcazou <ebotcazou@libertysurf.fr>
1135 * combine.c (simplify_logical): Only simplify logical expressions
1136 of the form ior(and(x,y),z) by the inverse distributive law if the
1137 result is cheaper than the original.
1139 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
1141 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
1142 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
1143 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
1144 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
1145 config/freebsd-spec.h, config/arm/arm.h,
1146 config/h8300/h8300.md, config/i386/i386.md,
1147 config/i386/predicates.md, config/i386/sse.md,
1148 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
1149 config/vax/vax.md: Fix comment typos. Follow spelling
1152 2005-01-23 Steven Bosscher <stevenb@suse.de>
1154 * gengtype.c (walk_type): Produce `not equal to' compares for loop
1155 tests, instead of `less than'.
1157 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
1159 * function.c (assign_parm_setup_block): When creating a new stack slot
1160 for a parameter, get its alignment from the parameter's DECL_ALIGN
1161 rather than the type's TYPE_ALIGN. Make sure that the parameter
1162 is at least word aligned.
1164 2005-01-22 Roger Sayle <roger@eyesopen.com>
1167 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
1169 2005-01-22 Richard Henderson <rth@redhat.com>
1172 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
1173 in both compare operands.
1174 (movdfcc_1_sse_max): Likewise.
1175 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
1176 (movdfcc_1_sse): Likewise.
1177 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
1178 scratch register as needed.
1180 2005-01-22 Richard Henderson <rth@redhat.com>
1182 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
1184 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
1186 2005-01-22 Richard Henderson <rth@redhat.com>
1188 * genopinit.c (optabs): Use smin/smax for floating point too.
1189 * doc/md.texi: Update to match. Clarify that floating point
1190 results are undefined for +0/-0 and NaN.
1191 * doc/rtl.texi: Likewise.
1192 * rtl.def (SMIN, SMAX): Likewise
1193 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
1195 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
1196 leading 's' to the name.
1197 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
1198 smaxxf3, sminxf3): Likewise.
1199 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
1202 2005-01-22 Paul Brook <paul@codesourcery.com>
1204 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
1206 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
1208 * config/s390/s390.c (struct processor_costs): New fields
1209 dlgr, dlr, dr, dsgfr, dsgr.
1210 (z900_cost, z990_cost): Values for new fields.
1211 (s390_rtx_costs): New cases MEM und COMPARE in switch
1212 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
1213 DIV, MOD, UDIV, UMOD.
1215 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
1217 * config/s390/s390.md ("doloop_si64"): Reload input value directly
1218 into the register being decremented.
1219 ("doloop_si31", "doloop_di"): Likewise.
1220 ("*doloop_si_long"): Adapt pattern.
1222 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
1224 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
1226 (CLASS_MAX_NREGS): Likewise.
1228 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
1230 * doc/tree-ssa.texi (Statement Operands): Add example for new
1231 must-def macro. Note deprecation of old operands interface.
1233 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
1235 PR tree-optimization/19484
1236 * tree-cfg.c (remove_fallthru_edge): New function.
1237 (cleanup_control_flow): Remove fallthru edges from calls that are
1238 now known not to return.
1240 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
1242 Fix PR tree-optimization/19038
1243 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
1244 copies with loop variant ones.
1246 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
1248 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
1249 config/alpha/alpha-protos.h, config/alpha/alpha.h,
1250 config/alpha/alpha.md, config/alpha/predicates.md,
1251 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
1252 config/sparc/sol2.h: Update copyright.
1254 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
1255 first label to see if it is a nonlocal label.
1257 2005-01-22 David Edelsohn <edelsohn@gnu.org>
1258 Andrew Pinski <pinskia@physics.uc.edu>
1261 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
1262 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
1264 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
1266 * config/rs6000/rtems.h: Update copyright.
1268 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
1271 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
1272 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
1273 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
1275 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1278 * c-typeck.c (convert_arguments): Check for error_mark_node.
1280 2005-01-21 Ian Lance Taylor <ian@airs.com>
1282 PR tree-optimization/13000
1283 * tree-inline.c: Include "tree-flow.h".
1284 (expand_call_inline): If warn_return_type, warn if non-void inline
1285 function falls through.
1286 * tree-cfg.c (execute_warn_function_return): Don't warn about
1287 control reaching end if TREE_NO_WARNING is set. Set
1289 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
1291 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
1292 branch if we don't need one.
1293 * c-typeck.c: Include "tree-flow.h"
1294 (c_finish_bc_stmt): Don't add a goto if the current statement
1295 list doesn't fall through to the current point.
1297 2005-01-21 Roger Sayle <roger@eyesopen.com>
1299 PR rtl-optimization/576
1300 * real.c (real_arithmetic): Change return type from void to bool
1301 to return an indication that the result may be inexact.
1302 * real.h (real_arithmeric): Update prototype.
1303 * fold-const.c (const_binop): Don't constant fold floating
1304 point expressions when the user specifies -frounding-math and
1305 the result may depend upon the run-time rounding mode.
1306 (fold_convert_const_real_from_real): Clean-up.
1307 (fold_initializer): Ignore flag_rounding_math for initializers.
1308 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
1309 constant fold FP operations with flag_rounding_math if the
1310 result may depend upon the run-time rounding mode.
1312 2005-01-21 Tom Tromey <tromey@redhat.com>
1314 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
1316 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
1318 * tree-cfg.c: Fix comment typos.
1320 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
1322 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
1323 around the call to rest_of_handle_branch_target_load_optimize.
1325 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1327 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
1328 (sparc64-*-openbsd*): Likewise.
1329 (sparclite-*-elf*): Include tm-dwarf2.h.
1330 (sparc86x-*-elf*): Likewise.
1331 (sparc64-*-elf*): Likewise.
1332 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
1333 (DBX_DEBUGGING_INFO): Likewise.
1334 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
1335 (PREFERRED_DEBUGGING_TYPE): Likewise.
1336 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1337 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
1338 (PREFERRED_DEBUGGING_TYPE): Likewise.
1339 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
1340 (PREFERRED_DEBUGGING_TYPE): Likewise.
1341 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
1343 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
1346 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
1348 2005-01-20 Paul Brook <paul@codesourcery.com>
1350 * doc/rtl.texi: Document value extension requirements for CONST_INT.
1352 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
1354 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
1355 label is first in a sequence of labels.
1357 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
1359 2005-01-20 Janis Johnson <janis187@us.ibm.com>
1360 Giovanni Bajo <giovannibajo@gcc.gnu.org>
1362 * doc/sourcebuild.texi (Test Directives): New.
1364 2005-01-20 Roger Sayle <roger@eyesopen.com>
1366 * real.c (real_floor): Don't leave the result uninitialized when
1367 mode is VOIDMode, but return the unrounded intermediate value.
1368 (real_ceil): Likewise.
1370 2005-01-20 Paul Brook <paul@codesourcery.com>
1372 * config/arm/arm.md (insv): Use gen_int_mode.
1374 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1376 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
1377 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1378 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1379 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1380 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
1382 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
1385 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
1386 fbreg, so we have to assume we can't.
1387 (loc_descriptor_from_tree_1): Ditto.
1388 (containing_function_has_frame_base): New function.
1389 (add_location_or_const_value_attribute): Use it.
1390 Also try to generate a frame_base from a single element location
1393 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
1395 PR tree-optimization/15349
1396 * timevar.def (TV_TREE_MERGE_PHI): New.
1397 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
1399 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
1400 calls to tree_forwarder_block_p.
1401 (remove_forwarder_block_with_phi, merge_phi_nodes,
1402 gate_merge_phi, pass_merge_phi): New.
1403 * tree-optimize.c (init_tree_optimization_passes): Add
1405 * tree-pass.h: Add an extern for pass_merge_phi;
1407 2005-01-20 Richard Henderson <rth@redhat.com>
1410 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
1411 (_mm_castps_pd, _mm_castps_si128): New.
1412 (_mm_castsi128_ps, _mm_castsi128_pd): New.
1414 2005-01-20 Richard Henderson <rth@redhat.com>
1417 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
1418 __builtin_ia32_vec_init_v2si.
1419 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
1420 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
1421 (ix86_init_mmx_sse_builtins): Create it.
1422 (ix86_expand_builtin): Expand it.
1423 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
1424 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
1425 (vec_extractv2si_0, vec_extractv2si_1): New.
1427 2005-01-20 Richard Henderson <rth@redhat.com>
1430 * config/i386/i386.c (ix86_expand_push): New.
1431 * config/i386/mmx.md (push<MMXMODE>1): New.
1432 * config/i386/sse.md (push<SSEMODE>1): New.
1433 * config/i386/i386-protos.h: Update.
1435 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
1437 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
1440 2005-01-20 Richard Henderson <rth@redhat.com>
1442 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
1443 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
1445 2005-01-19 Richard Henderson <rth@redhat.com>
1448 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
1449 to V4SFmode in SSE1 fallback load path.
1451 2005-01-19 Richard Henderson <rth@redhat.com>
1453 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
1454 in QImode expansion to ix86_expand_vector_set.
1455 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
1457 2005-01-19 Richard Henderson <rth@redhat.com>
1460 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
1461 subclass of the input class.
1462 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
1463 Always true for cross-SSE1 classes. Rationalize conditionals.
1464 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
1465 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
1466 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
1467 (movdi_2): Add MMX/SSE zeros.
1468 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
1469 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
1470 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1471 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
1472 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
1473 (zero_extendsidi2_rex64_1): Remove.
1474 (MOV0 peephole): Check GENERAL_REG_P.
1476 2005-01-19 Richard Henderson <rth@redhat.com>
1479 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
1481 (ix86_expand_vector_extract): Likewise.
1483 2005-01-19 Richard Henderson <rth@redhat.com>
1486 * expr.c (emit_move_change_mode): New argument force; use
1487 simplify_gen_subreg if true.
1488 (emit_move_via_alt_mode): Merge into ...
1489 (emit_move_via_integer): ... here.
1490 (emit_move_ccmode): Use emit_move_change_mode directly.
1492 2005-01-19 Richard Henderson <rth@redhat.com>
1495 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
1496 (alpha_preferred_reload_class): Handle CONST_VECTOR.
1497 (alpha_emit_set_const_1): Add no_output parameter; don't emit
1499 (alpha_emit_set_const): Likewise. Make static.
1500 (alpha_emit_set_long_const): Make static.
1501 (alpha_extract_integer): Split out from alpha_expand_mov.
1502 (alpha_split_const_mov): Likewise.
1503 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
1504 (alpha_legitimate_constant_p): New.
1505 * config/alpha/alpha-protos.h: Update.
1506 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
1507 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
1508 * config/alpha/alpha.md (movsi): Add n alternative.
1509 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
1510 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
1511 (splitters for all of the above): Use alpha_split_const_mov.
1512 * config/alpha/predicates.md (non_add_const_operand): New.
1513 (non_zero_const_operand): New.
1514 (input_operand): Use alpha_legitimate_constant_p after reload.
1516 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
1518 PR tree-optimization/19038
1519 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
1520 (add_candidate): Add ivs with increment in latch only if
1521 allow_ip_end_pos_p is true.
1522 (determine_iv_cost): Use empty_block_p.
1524 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
1526 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
1527 (compute_dominance_frontiers): Ditto.
1529 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
1532 * config/sh/t-rtems: New.
1533 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
1535 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
1537 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
1538 the offset of the selected field.
1540 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
1542 * tree-cfg.c (remove_forwarder_block): Fix the check to
1543 prevent a nonlocal label from appearing in the middle of a
1546 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
1548 PR rtl-optimization/19462
1549 * reorg.c (find_end_label): Create return insn only if
1550 current_function_epilogue_delay_list is empty.
1552 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
1554 * doc/passes.texi: Remove paragraph mentioning new-ra.
1556 2005-01-19 Jakub Jelinek <jakub@redhat.com>
1558 PR rtl-optimization/15139
1559 * combine.c: Include params.h.
1560 (count_rtxs): New function.
1561 (record_value_for_reg): If replace_rtx would replace at least
1562 2 occurrences of REG in VALUE and TEM is really large, replace REG with
1563 (clobber (const_int 0)) instead of TEM.
1564 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
1565 * params.h (MAX_LAST_VALUE_RTL): New.
1566 * Makefile.in (combine.o): Depend on $(PARAMS_H).
1567 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
1570 * c-typeck.c (digest_init): Only call build_vector if all constructor
1571 elements are *_CST nodes.
1572 * gimplify.c (gimplify_init_constructor): Likewise.
1575 * c-typeck.c (digest_init): Only call build_vector if inside_init
1578 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1580 * toplev.c (init_asm_output): Remove dead #ifdef.
1582 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
1584 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
1586 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1588 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
1589 accessing DECL_FUNCTION_CODE.
1590 * dojump.c (do_jump): Likewise.
1591 * gimplify.c (gimplify_call_expr): Likewise.
1592 * predict.c (expr_expected_value): Likewise.
1593 (strip_builtin_expect): Likewise.
1594 * tree-inline.c (estimate_num_insns_1): Likewise.
1595 * tree-ssa-loop-im.c (stmt_cost): Likewise
1596 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
1597 (tree_expr_nonnegative_p): Likewise.
1599 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1601 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
1602 variant of the load_pcrel_sym pattern.
1603 * config/sparc/sparc.md (P macro): Move to the top.
1604 (load_pcrel_sym): Macroize using P.
1605 (save_register_window): Likewise.
1607 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
1609 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
1612 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1615 * c-typeck.c (build_asm_expr): Strip nops off
1616 input memory operands.
1618 2005-01-18 David Edelsohn <edelsohn@gnu.org>
1620 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
1621 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
1622 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
1623 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
1625 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
1628 * config/i386/i386.c (override_options): If the 80387 is disabled,
1629 then do not return FP values using FP registers.
1631 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
1633 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
1634 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
1635 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
1636 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
1637 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
1638 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
1639 output.h, postreload-gcse.c, postreload.c, recog.c,
1640 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
1641 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
1642 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
1643 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
1644 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
1645 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
1646 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
1647 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
1649 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
1650 config/alpha/alpha.c, config/arm/vfp.md,
1651 config/i386/emmintrin.h, config/i386/i386-modes.def,
1652 config/i386/i386-protos.h, config/i386/i386.h,
1653 config/i386/pmmintrin.h, config/i386/ppro.md,
1654 config/i386/predicates.md, config/i386/xmmintrin.h,
1655 config/i860/i860.c, config/ia64/ia64-modes.def,
1656 config/ia64/ia64-protos.h, config/ia64/ia64.h,
1657 config/ia64/ia64.md, config/ia64/itanium1.md,
1658 config/ia64/itanium2.md, config/ia64/predicates.md,
1659 config/iq2000/iq2000.h, config/mips/linux64.h,
1660 config/rs6000/aix41.h, config/rs6000/aix43.h,
1661 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
1662 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1663 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
1664 config/sparc/linux64.h, config/sparc/litecoff.h,
1665 config/sparc/sp64-elf.h, config/sparc/sparc.c,
1666 config/sparc/sparc.h, config/sparc/sparc.md,
1667 config/sparc/sysv4-only.h: Update copyright.
1669 2005-01-18 Richard Henderson <rth@redhat.com>
1672 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
1674 2005-01-18 Marc Espie <espie@openbsd.org>
1675 * config/i386/openbsdelf.h: Typo.
1677 2005-01-18 Richard Henderson <rth@redhat.com>
1679 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
1680 special case for sse.
1681 * config/i386/predicates.md (sse_comparison_operator): Likewise.
1683 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
1685 * tree-inline.c (estimate_num_insns_1): Added cases for
1686 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
1688 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
1690 PR rtl-optimization/19296
1691 * combine.c (simplify_comparison): Rewrite the condition under
1692 which a non-paradoxical SUBREG of a PLUS can be lifted when
1693 compared against a constant.
1695 2005-01-18 Andi Kleen <ak@muc.de>
1697 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
1698 * c.opt (-Wpointer-sign): Add.
1699 * doc/invoke.texi: (-Wpointer-sign): Add.
1701 2005-01-18 Uros Bizjak <uros@kss-loka.si>
1703 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
1704 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
1705 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
1706 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
1707 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
1708 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
1709 for TARGET_MIX_SSE_I387.
1710 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
1711 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
1712 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
1713 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
1714 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
1715 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
1716 TARGET_MIX_SSE_I387.
1717 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
1720 2005-01-18 Uros Bizjak <uros@kss-loka.si>
1723 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
1724 Add movaps alternative for xmm reg->reg move.
1726 2005-01-17 Jeff Law <law@redhat.com>
1728 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
1729 at the end of the main DOM loop rather than just before DOM exits.
1731 2005-01-17 Diego Novillo <dnovillo@redhat.com>
1733 PR tree-optimization/19121
1734 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
1735 adding aliases to a name tag, also add them to the pointer's
1737 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
1738 sensitive alias info at all. Only check that the two pointers
1739 have compatible pointed-to sets.
1740 * tree-ssa.c (verify_name_tags): Verify that the alias set of
1741 a pointer's type tag is a superset of the alias set of the
1744 2005-01-17 James E Wilson <wilson@specifixinc.com>
1747 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
1748 comment to document why.
1750 2005-01-17 Richard Henderson <rth@redhat.com>
1752 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
1753 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
1754 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
1755 sse2_vmsminv2df3_finite): New.
1756 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
1757 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
1758 Force op1 into register.
1760 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
1762 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
1763 bubblestrap from always rebuilding build directory.
1765 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
1767 * config/s390/s390.md ("*clc"): Remove incorrect '='.
1768 ("*cmpmem_short"): Likewise.
1770 2005-01-17 Steven Bosscher <stevenb@suse.de>
1772 * basic-block.h: Document BB_* flags.
1773 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
1774 use an sbitmap instead.
1775 * sched-rgn.c (compute_trg_info): Likewise.
1777 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
1779 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
1780 redundant target_cpu_default and extra_parts lines. Use the default
1782 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
1783 (SUBTARGET_EXTRA_SPECS): Delete.
1784 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
1785 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
1786 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
1787 and "n32" for -mabi=n32.
1789 2005-01-17 Ian Lance Taylor <ian@airs.com>
1792 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
1793 fold constant variables into initial values.
1795 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
1797 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
1799 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
1800 through the statements backward.
1802 2005-01-17 Ian Lance Taylor <ian@airs.com>
1804 PR middle-end/13127:
1805 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
1806 a variable set to the return value of the inlined function.
1808 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
1810 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
1811 when modes are tieable.
1813 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
1815 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
1816 of pthread_create to find out if threads are enabled.
1817 * gthr-posix95.h (__gthread_active_p): Likewise.
1819 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
1821 * common.opt (-fnew-ra): Remove.
1823 * toplev.h (flag_new_regalloc): Remove.
1824 * Makefile.in (ra*.*): Don't mention.
1825 * passes.c (rest_of_handle_new_regalloc): Remove.
1826 (rest_of_handle_combine, rest_of_compilation): Always consider
1827 flag_new_regalloc as false.
1828 * doc/invoke.texi: Don't document -fnew-ra.
1830 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
1832 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
1833 last parameter to reg_scan.
1834 * loop.c (loop_optimize): Likewise.
1835 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
1836 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
1837 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1838 rest_of_handle_gcse, rest_of_handle_loop_optimize,
1839 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
1840 * regclass.c (reg_scan): Likewise, for the declaration.
1841 * rtl.h (reg_scan): Likewise, for the prototype.
1843 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
1845 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
1846 mark_dfs_back_edges.
1848 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
1850 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
1851 (compute_avail): Uses don't go in tmp_gen.
1853 2005-01-16 Steven Bosscher <stevenb@suse.de>
1855 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
1856 loop to look for a free slot in a page entry.
1858 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1861 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
1862 * toplev.c (compile_file): Call process_pending_assemble_output_defs
1863 just before targetm.asm_out.file_end.
1864 * tree.h (process_pending_assemble_output_defs): Declare.
1865 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
1867 (assemble_alias): Defer generation of assembly code for defines when
1868 TARGET_DEFERRED_OUTPUT_DEFS is true.
1869 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1870 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1871 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
1873 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1876 * pa.c (pa_scalar_mode_supported_p): New function.
1877 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1878 * pa.h (MIN_UNITS_PER_WORD): Add comment.
1880 * pa-protos.h (prefetch_operand): Delete.
1881 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
1882 * pa.c (prefetch_operand): Delete.
1883 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
1884 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
1885 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
1886 and prefetch_nocc_operand.
1887 * pa.md (prefetch): Rework to avoid reload problems handling short
1888 displacements when a cache control completer needs to be provided.
1889 (prefetch_32, prefetch_64): Delete.
1890 (prefetch_cc, prefetch_nocc): New patterns.
1892 2005-01-15 David Edelsohn <edelsohn@gnu.org>
1894 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
1896 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1899 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
1900 exceeds maximum alignment for global common data.
1901 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
1902 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
1904 2004-01-15 Roger Sayle <roger@eyesopen.com>
1906 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
1908 2004-01-15 Roger Sayle <roger@eyesopen.com>
1910 * harg-reg-set.h (reg_class_names): Prototype global array.
1911 * regclass.c (reg_class_names): Declare here and initialize to
1913 (dump_regclass): Remove local declaration of reg_class_names.
1914 (regclass): Likewise.
1915 * cfg.c (dump_flow_info): Likewise.
1916 * ra-debug.c (reg_class_names): Likewise.
1917 * regrename.c (reg_class_names): Likewise.
1918 * reload.c (reg_class_names): Likewise.
1919 * reload1.c (spill_failure): Likewise.
1920 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
1922 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
1924 * config/s390/s390.md ("reload_outti"): Remove predicate for
1925 output operand. Abort if operand is not a MEM.
1926 ("reload_outdi", "reload_outdf"): Likewise.
1928 2005-01-15 Marc Espie <espie@openbsd.org>
1930 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
1931 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
1932 * config/openbsd.h: Fix C++ includes for native configurations.
1933 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
1934 Add trampoline support.
1935 * config/i386/openbsdelf.h: New.
1937 2005-01-15 Marc Espie <espie@openbsd.org>
1939 * collect2.c (main): Explicitly parse -dynamic-linker option.
1941 2005-01-15 Jakub Jelinek <jakub@redhat.com>
1943 PR tree-optimization/19060
1944 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
1945 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
1946 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
1947 and handle extract_range_from_cond returning false.
1948 * fold-const.c (fold): Optimize comparisons with min/max even for
1949 width > HOST_BITS_PER_WIDE_INT.
1951 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
1953 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
1954 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
1955 Remove little endian multilib variants.
1956 Add mips32 multilib variant.
1958 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
1960 * explow.c (copy_all_reg, stabilize): Remove.
1961 * expr.h: Remove the corresponding prototypes.
1963 * rtlanal.c (regs_set_between_p): Remove.
1964 * rtl.h: Remove the corresponding prototype.
1966 2005-01-14 David Edelsohn <edelsohn@gnu.org>
1968 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
1969 to rs6000_nonimmediate_operand.
1970 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
1971 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
1972 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
1973 rs6000_nonimmediate_operand.
1974 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
1975 rs6000_nonimmediate_operand.
1977 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
1979 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
1981 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
1983 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
1985 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
1986 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
1988 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
1989 (rs6k_nonimmediate_operand): New.
1990 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
1992 (legitimate_lo_sum_address_p): Same.
1993 (rs6000_legitimize_address): Same.
1994 (rs6000_legitimize_reload_address): Same.
1995 (rs6000_legitimate_address): Same.
1996 (spe_build_register_parallel): Pass DF and DC modes in a DI
1999 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
2000 to rs6k_nonimmediate_operand.
2002 * config/rs6000/spe.md ("*frob_df_di"): New.
2003 ("*frob_di_df"): New.
2004 ("*frob_di_df_2"): New.
2005 ("*mov_sidf_e500_subreg0"): New.
2006 ("*mov_sidf_e500_subreg4"): New.
2007 ("*movdf_e500_double"): Change predicate to
2008 rs6k_nonimmediate_operand.
2010 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
2012 * postreload.c (move2add_note_store): Only call
2013 trunc_int_for_mode on scalar integers.
2015 2005-01-14 Steven Bosscher <stevenb@suse.de>
2017 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
2018 replace BB_VISITED uses.
2019 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
2020 (propagate_necessity): Check the bitmap instead of BB_VISITED.
2021 (tree_dce_done): Free visited_control_parents.
2022 (perform_tree_ssa_dce): Allocate and clear it.
2023 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
2024 (compute_antic): Iterate from here using a DFS. Use an sbitmap
2025 instead of BB_VISITED.
2027 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
2029 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
2030 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
2031 Remove unused prototypes.
2033 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
2035 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
2036 64-bit register usage.
2037 (spe_func_has_64bit_regs_p): Add FIXME note.
2039 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
2041 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
2042 flag_finite_math_only with flag_unsafe_math_optimizations.
2044 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
2046 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
2048 (__tpf_eh_return): Copy TPF private stack area from the module
2049 boundary stack frame. Add check for when module addresses are
2050 equal, but no stub address is found.
2052 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
2055 * arm.h (struct machine_function): Add call_via field.
2056 (thumb_call_via_label): Declare.
2057 * arm.c (thumb_call_via_label): New variable.
2058 (thumb_call_reg_needed): New variable.
2059 (arm_output_function_epilogue): For Thumb code, output any per-function
2060 call-indirect trampolines.
2061 (thumb_call_via_reg): New function.
2062 (arm_file_end): New function.
2063 (TARGET_ASM_FILE_END): Call arm_file_end.
2064 (aof_file_end): Likewise.
2065 * arm-protos.h (thumb_call_via_reg): Declare.
2066 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
2067 thumb_call_via_reg in normal case.
2069 2005-01-14 Jakub Jelinek <jakub@redhat.com>
2072 PR rtl-optimization/19348
2073 * recog.c (peephole2_optimize): Do global life update if some peephole
2074 decides it doesn't need at least one of its inputs and that change
2075 influences liveness at the start of the basic block.
2077 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
2078 arguments instead of 1.
2080 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
2083 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
2084 zero for nested functions needing a static chain or functions
2085 with a non-constant address.
2087 2005-01-13 Roger Sayle <roger@eyesopen.com>
2089 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
2090 (and (sign_extend X) C) into (zero_extend (and X C)).
2092 2005-01-13 David O'Brien <obrien@FreeBSD.org>
2094 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
2096 2005-01-13 Richard Henderson <rth@redhat.com>
2101 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
2102 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
2103 not just TARGET_SSE.
2104 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
2105 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
2106 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
2107 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
2108 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
2109 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
2110 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
2111 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
2112 (movdicc_c_rex64): Rename with '*'.
2113 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
2114 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
2115 (movsfcc_1_387): Rename from movsfcc_1.
2116 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
2117 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
2118 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
2119 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
2120 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
2121 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
2122 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
2123 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
2124 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
2125 sse_movdfcc_const0_4): Remove.
2126 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
2127 recognize min/max early. Update for changed sse cmove patterns.
2128 (ix86_split_sse_movcc): New.
2129 * config/i386/i386-protos.h: Update.
2131 2005-01-13 Steven Bosscher <stevenb@suse.de>
2133 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
2134 (fix_stmt_v_may_defs): Likewise.
2136 2005-01-13 Richard Henderson <rth@redhat.com>
2138 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
2139 for converting the mask.
2141 2005-01-13 David Edelsohn <edelsohn@gnu.org>
2143 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
2146 2005-01-13 Richard Henderson <rth@redhat.com>
2148 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
2149 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
2150 IX86_BUILTIN_MOVDQ2Q): Remove.
2151 (IX86_BUILTIN_VEC_EXT_V4SI): New.
2152 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
2153 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
2155 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
2156 (sse2_pextrw): Fix immediate constraint.
2157 (sse2_loadq, sse2_loadq_rex64): Remove.
2158 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
2159 Use __builtin_ia32_vec_ext_<size>.
2160 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
2162 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
2164 * function.c (assign_parm_setup_block): Look inside original
2165 entry_parm when inspecting PARALLEL.
2167 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
2168 Joel Sherrill <joel@oarcorp.com>
2171 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
2172 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
2173 rtems_gxx_recursive_mutex_init.
2174 (__gthread_recursive_mutex_lock): New function.
2175 (__gthread_recursive_mutex_trylock): Likewise.
2176 (__gthread_recursive_mutex_unlock): Likewise.
2178 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
2180 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
2182 2005-01-13 Jan Beulich <jbeulich@novell.com>
2184 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
2185 (ashrti3_internal): Indicate output is early clobber. Generate result
2186 into output rather than first input. Use move for low word of output
2187 if shift count is exactly 64.
2188 (lshrti3_internal): Likewise.
2190 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
2194 * reload1.c (delete_output_reload): Don't delete an output reload
2195 if the pseudo lives longer than a single basic block. Adjust and
2196 improve wording of comment.
2198 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
2201 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
2202 of TYPE_SIZE where we mean the number of bytes.
2204 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
2206 * function.c (assign_parm_setup_block): Relax condition on
2207 multi-register optimization.
2209 2005-01-12 Nick Clifton <nickc@redhat.com>
2211 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
2212 an "in_delay_slot" attribute of "no" to prevent them being used in
2213 delay slots. This is forbidden because they might generate
2216 2005-01-12 Alan Modra <amodra@bigpond.net.au>
2219 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
2222 2005-01-12 Nick Clifton <nickc@redhat.com>
2224 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
2225 passed on to GAS) but do not define, as GAS no longer supports or
2226 needs the -m2000 option.
2228 2005-01-11 Roger Sayle <roger@eyesopen.com>
2230 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
2231 type as args of unprototyped builtins aren't automatically promoted.
2232 (fold_builtin_abs): Likewise.
2234 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2236 * Makefile.in: Set a `build-warn' variable.
2238 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2240 PR tree-optimization/17949
2241 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
2242 (find_interesting_uses_address): Use it.
2244 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
2246 * regrename.c (kill_value): Handle subreg's that won't simplify.
2248 2005-01-11 Richard Henderson <rth@redhat.com>
2251 * config/i386/i386.h (enum ix86_builtins): Move ...
2252 * config/i386/i386.c: ... here.
2253 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
2254 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
2255 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
2256 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
2257 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
2258 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
2259 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
2260 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
2261 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
2262 IX86_BUILTIN_LOADDDUP): Remove.
2263 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
2264 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
2265 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
2266 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
2267 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
2268 (ix86_init_builtins): Make static.
2269 (ix86_init_mmx_sse_builtins): Update for changed builtins.
2270 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
2271 if all the modes match. Otherwise, fake it.
2272 (get_element_number, ix86_expand_vec_init_builtin,
2273 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
2274 (ix86_expand_builtin): Make static. Update for changed builtins.
2275 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
2276 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
2277 (ix86_expand_vector_init_duplicate): New.
2278 (ix86_expand_vector_init_low_nonzero): New.
2279 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
2280 Split out from ix86_expand_vector_init; handle integer modes.
2281 (ix86_expand_vector_init): Use them.
2282 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
2283 * config/i386/i386-protos.h: Update.
2284 * config/i386/predicates.md (reg_or_0_operand): New.
2285 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
2286 (movv2sf_internal): Likewise. And a splitter to match them all.
2287 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
2288 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
2289 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
2290 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
2291 (mmx_pinsrw): Fix operand ordering.
2292 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
2293 rather than sse_loadss expander.
2294 (movv2df splitter): Similarly.
2295 (sse_loadss, sse_loadlss): Remove.
2296 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
2297 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
2298 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
2299 (sse3_movddup): Rename with '*'.
2300 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
2301 (sse2_loadsd): Remove.
2302 (vec_dupv2df_sse3): Rename from sse3_loadddup.
2303 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
2304 (sse2_pinsrw): Fix argument ordering.
2305 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
2306 (sse2_stored): Remove 'r' destination.
2307 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
2308 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
2309 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
2310 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
2311 vec_extractv16qi, vec_initv16qi): New.
2313 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
2314 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
2315 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
2317 (_mm_load_pd, _mm_store_pd): Use plain dereference.
2318 (_mm_load_si128, _mm_store_si128): Likewise.
2319 (_mm_load1_pd): Use _mm_set1_pd.
2320 (_mm_load_sd): Use _mm_set_sd.
2321 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
2322 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
2323 (_mm_set_epi64): Use _mm_set_epi64x.
2324 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
2325 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
2326 _mm_setr_epi8): Use _mm_set_foo form.
2327 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
2328 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
2329 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
2330 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
2331 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
2332 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
2333 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
2334 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
2335 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
2336 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
2337 (_mm_movedup_pd): Use _mm_shuffle_pd.
2338 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
2339 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
2340 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
2341 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
2343 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
2344 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
2345 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
2346 (_mm_store_ps): Use raw dereference.
2347 (_mm_store1_ps): Use _mm_storeu_ps.
2348 (_mm_storer_ps): Use _mm_store_ps.
2349 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
2350 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
2352 2005-01-11 Stan Shebs <shebs@apple.com>
2354 * config/rs6000/rs6000.c (machopic_output_stub): Issue
2355 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
2357 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2360 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
2361 Skip all DECLs except for FIELD_DECLs.
2363 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
2365 * config/s390/s390.c (override_options): Return error if
2366 -mbackchain, -mpacked-stack and -mhard-float are used together.
2367 (s390_va_start): Remove the backchain && packed-stack special case.
2368 (s390_gimplify_va_arg): Likewise.
2369 * doc/invoke.texi: Remove the ABI incompatibility note.
2371 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
2373 * config/s390/s390.c (struct s390_frame_layout): Remove
2375 (s390_frame_info, s390_emit_prologue): Replace occurrences of
2376 save_backchain_p with TARGET_BACKCHAIN.
2378 2005-01-11 Alan Modra <amodra@bigpond.net.au>
2381 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
2382 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
2383 * function.c (locate_and_pad_parm): Set new field.
2384 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
2385 Tweak where_pad test to include "none". Always set mem align for
2387 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
2388 not sufficient for type.
2389 (assign_parm_setup_block): If stack_parm is zero on entry, always
2390 make a new stack local. Block move old stack parm if necessary
2391 to new aligned stack local.
2392 (assign_parm_setup_stack): Use a block move to handle
2393 potentially misaligned entry_parm.
2394 (assign_parms_unsplit_complex): Specify required alignment when
2395 creating stack local.
2396 * calls.c (compute_argument_addresses): Override alignment of stack
2397 arg calculated from its type with the alignment given by
2398 FUNCTION_ARG_BOUNDARY.
2399 (store_one_arg): Likewise.
2401 2005-01-11 Jan Beulich <jbeulich@novell.com>
2403 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
2404 Change respective itanium_class attribute to ialu.
2405 (shladdp4_internal): New.
2406 * config/ia64/predicates.md (shladd_log2_operand): New.
2408 2005-01-11 Richard Henderson <rth@redhat.com>
2410 * expr.c (store_constructor): Use rtvec_alloc instead of
2411 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
2413 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
2415 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
2417 2005-01-11 Alan Modra <amodra@bigpond.net.au>
2419 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
2420 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
2421 (TARGET_RWRELOC): Define.
2422 (ia64_rwreloc_section_type_flags): Delete.
2423 (ia64_section_type_flags): New function.
2424 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
2425 (TARGET_RWRELOC): Define.
2427 2005-01-10 David Mosberger <davidm@hpl.hp.com>
2430 * config/ia64/ia64.c (process_set): For alloc insn, only call
2431 process_epilogue is !frame_pointer_needed.
2433 2005-01-10 Roger Sayle <roger@eyesopen.com>
2436 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
2437 unary operator and can't be treated as a binary/comparison operator.
2439 2005-01-10 Richard Henderson <rth@redhat.com>
2441 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
2442 (ix86_return_in_memory): Likewise.
2443 (function_arg_advance): Likewise. Mirror structure in function_arg
2444 for choosing register to advance.
2446 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
2448 * tree-vectorizer.c, tree.def: Fix comment typos.
2450 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
2452 * config/s390/s390.c (struct processor_costs): 4 new fields:
2453 ddbr, ddr, debr, der.
2454 (s390_rtx_costs): More precise handling of divide instructions.
2456 2005-01-10 David Edelsohn <edelsohn@gnu.org>
2458 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
2460 2005-01-10 Jan Beulich <jbeulich@novell.com>
2462 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
2463 names resulting from -ffunction-sections/-fdata-sections and linkonce
2465 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
2466 based on the section name. Rearrange the section name comparison logic
2467 slightly so that each section name is compared against at most once.
2469 2005-01-10 Ben Elliston <bje@au.ibm.com>
2471 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
2472 targets for which -fPIC reduces limitations on the GOT size.
2474 2005-01-09 Falk Hueffner <falk@debian.org>
2476 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
2479 2005-01-09 David Edelsohn <edelsohn@gnu.org>
2482 * collect2.c (main): Set aixrtl_flag for -brtl option.
2483 (resolve_lib_name): Search for .so file extension before .a
2486 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
2488 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
2489 (vect_analyze_data_refs_alignment): Add dump prints.
2491 2005-01-09 Ira Rosen <irar@il.ibm.com>
2493 * tree-vectorizer.c (vect_analyze_offset_expr): Use
2494 expr_invariant_in_loop_p.
2495 Initialize outputs first thing in the function.
2496 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
2497 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
2498 (vect_analyze_pointer_ref_access): Check that the initial condition of
2499 the access function is loop invariant.
2501 2005-01-09 Richard Henderson <rth@redhat.com>
2503 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
2504 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
2505 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
2506 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
2507 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
2508 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
2509 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
2510 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
2511 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
2512 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2513 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2514 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
2515 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
2516 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
2517 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
2518 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
2519 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2520 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2521 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
2522 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
2523 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
2524 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
2525 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
2527 (mmx_clrdi, pavgusb): Remove.
2528 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
2529 with leading sse_ prefix.
2530 * config/i386/sse.md: Receive them.
2531 * config/i386/mmx.md: New file.
2532 (MMXMODE12, MMXMODE24, mmxvecsize): New.
2533 (subrv2sf3): Turn into expander for normal subtraction.
2534 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
2535 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
2536 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
2537 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
2538 commutative; use ix86_binary_operator_ok.
2539 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
2540 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
2541 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
2542 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
2543 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
2544 Macroize from existing patterns; use ix86_binary_operator_ok.
2545 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
2546 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
2547 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
2548 with vec_select+vec_concat.
2549 (mmx_pshufw, mmx_pshufw_1): Likewise.
2550 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
2551 (mmx_uavgv4hi3): Model correctly.
2552 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
2553 _mm_xor_si64): Remove casts.
2555 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
2557 PR tree-optimization/19224
2558 * tree-scalar-evolution.c (get_instantiated_value,
2559 set_instantiated_value): New functions.
2560 (instantiate_parameters_1): Cache the results.
2561 (instantiate_parameters, resolve_mixers): Initialize and free
2564 2005-01-08 David Edelsohn <edelsohn@gnu.org>
2566 * config/i386/i386.md (addhi_4): Correct reference in comment.
2569 2005-01-08 Richard Henderson <rth@redhat.com>
2571 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
2572 (_mm_cvtsi128_si64x): Likewise.
2573 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
2574 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
2575 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
2576 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
2577 * config/i386/i386-protos.h: Update.
2578 * config/i386/i386.c (print_operand): Add 'H'.
2579 (ix86_fixup_binary_operands): Split out from ...
2580 (ix86_expand_binary_operator): ... here.
2581 (ix86_fixup_binary_operands_no_copy): New.
2582 (ix86_expand_fp_absneg_operator): Handle vector mode results.
2583 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
2584 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
2585 (safe_vector_operand): Use CONST0_RTX.
2586 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
2587 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
2588 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
2589 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
2591 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
2592 (IX86_BUILTIN_CMPNGESS): New.
2593 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
2594 (attr type): Add sselog1.
2595 (attr unit, attr memory): Handle it.
2596 (movti, movti_internal, movti_rex64): Move near other integer moves.
2597 (movtf, movtf_internal): Move near other fp moves.
2598 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
2599 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
2600 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
2601 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
2602 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
2603 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
2604 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
2605 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
2606 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
2607 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
2608 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
2609 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
2610 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2611 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2612 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
2613 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
2614 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
2615 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
2616 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
2617 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
2618 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
2619 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
2620 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
2621 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
2622 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
2623 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
2624 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
2625 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
2626 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
2627 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
2628 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
2629 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
2630 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
2631 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
2632 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
2633 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
2634 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
2635 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
2636 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
2637 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
2638 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
2639 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
2640 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
2641 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
2643 (SSEPUSH, push<SSEPUSH>): Remove.
2644 (MMXPUSH, push<MMXPUSH>): Remove.
2645 (sse_movaps, sse_movaps_1, sse_movups): Remove.
2646 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
2647 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
2648 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
2649 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
2650 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
2651 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
2652 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
2653 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
2654 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
2655 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
2656 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
2657 (ppro_sse_log_V4SF): Handle sselog1.
2658 * config/i386/predicates.md (const_0_to_1_operand): New.
2659 (const_0_to_255_mul_8_operand): New.
2660 (const_1_to_31_operand): Rename from const_int_1_31_operand.
2661 (const_2_to_3_operand, const_4_to_7_operand): New.
2662 * config/i386/sse.md: New file.
2663 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
2664 (sse_movups): Rename from sse_movups_1.
2665 (sse_loadlss): Rename from sse_loadss_1.
2666 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
2668 (negv4sf2): Use ix86_expand_fp_absneg_operator.
2669 (absv4sf2, negv2df, absv2df): New.
2670 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
2671 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
2672 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
2673 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
2674 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
2675 (sse3_addsubv4sf3): Model correctly.
2676 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
2677 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
2678 (sse_movhlps): Model with vec_select+vec_concat.
2679 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
2680 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
2681 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
2682 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
2683 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
2684 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
2685 sse2_pshufhw_1): Likewise.
2686 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
2687 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
2688 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
2689 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
2690 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
2691 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
2692 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
2693 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
2694 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
2695 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
2696 sminv8hi3): Mark commutative
2697 operands. Use ix86_binary_operator_ok.
2698 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
2699 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
2700 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
2701 sse2_punpcklqdq): Allow operand2 in memory.
2702 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
2703 sse2_movsd): Add memory alternatives.
2704 (sse_storelps): Turn expander into an insn; split after reload.
2705 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
2706 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
2708 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2710 * configure.ac (DWARF-2 debug_line): Use objdump.
2711 * configure: Regenerate.
2713 2005-01-08 Jeff Law <law@redhat.com>
2714 Diego Novillo <dnovillo@redhat.com>
2716 PR tree-optimization/18241
2717 * tree-nrv.c (tree_nrv): Ignore volatile return values.
2718 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
2719 statements with volatile operands.
2720 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
2721 operands after marking a statement with has_volatile_ops.
2723 2005-01-08 Roger Sayle <roger@eyesopen.com>
2725 * tree.c (int_fits_type_p): Always honor integer constant
2726 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
2728 2005-01-08 Roger Sayle <roger@eyesopen.com>
2730 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
2731 the latent bug in rtl_delete_block has been resolved.
2733 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
2735 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
2736 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
2738 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
2740 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
2741 library as @multilib_dir@/$(SHLIB_SONAME).
2743 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2745 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
2746 * configure: Regenerate.
2748 2005-01-07 Jakub Jelinek <jakub@redhat.com>
2750 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
2753 2005-01-07 David Edelsohn <edelsohn@gnu.org>
2756 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2757 Convert non-word aligned offset address using ld/std into
2760 2005-01-07 Richard Henderson <rth@redhat.com>
2762 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
2764 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
2766 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
2768 2005-01-07 Jakub Jelinek <jakub@redhat.com>
2770 PR tree-optimization/19283
2771 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
2772 is not shorter than the original type.
2774 PR rtl-optimization/19012
2775 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
2777 PR rtl-optimization/18861
2778 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
2779 (FULL_STATE): Define.
2780 (mark_tablejump_edge): New function.
2781 (purge_dead_tablejump_edges): New function.
2782 (find_bb_boundaries): Use it.
2784 PR tree-optimization/18828
2785 * builtins.c (expand_builtin_next_arg): Remove argument and all
2786 the argument checking.
2787 (expand_builtin): Adjust caller.
2788 (expand_builtin_va_start): Likewise. Remove error for too many
2790 (fold_builtin_next_arg): Issue error for too many arguments.
2791 After checking arguments, replace them with magic arguments that
2792 prevent further checking of the args.
2794 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2796 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
2798 2005-01-06 Roger Sayle <roger@eyesopen.com>
2801 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
2802 and %{.S:...} (and their negative variants) to test whether the
2803 input file is assembler or pre-processed-assembler independent of
2804 the actual filename extension.
2806 2005-01-06 Roger Sayle <roger@eyesopen.com>
2808 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
2809 of sign or zero extended values.
2811 2005-01-06 Geoffrey Keating <geoffk@apple.com>
2813 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
2814 for IBM long double format correctly.
2816 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
2818 Fix PR tree-optimization/18792
2820 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
2821 to first_loop_depth, and use loop depth instead of loop number.
2822 (build_classic_dir_vector): Ditto.
2823 (compute_data_dependences_for_loop): Use depth, not loop number.
2824 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
2825 number. Pass in loops, instead of loop numbers.
2826 (gather_interchange_stats): Ditto.
2827 (linear_transform_loops): Ditto.
2829 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
2832 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
2833 biv_fits_mode_p, extension_within_bounds_p): New functions.
2834 (check_ext_dependent_givs): Use them.
2836 2005-01-06 Roger Sayle <roger@eyesopen.com>
2838 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
2839 more than one barrier, in which case we should delete them all.
2841 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
2843 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
2845 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
2847 Fix PR middle-end/19286
2849 * dwarf2out.c (gen_subprogram_die): If we've already tried to
2850 output this subprogram, simply ignore this attempt to do it again.
2851 (add_abstract_origin_attribute): Don't abort trying to add the abstract
2852 origin attribute if it's not possible.
2853 (gen_block_die): Don't ignore subblocks of "unused" blocks.
2854 (decls_for_scope): Ditto.
2855 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
2856 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
2858 2005-01-05 Richard Henderson <rth@redhat.com>
2861 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
2862 (bdesc_2arg): Use it.
2863 (ix86_expand_binop_builtin): Force operands into registers
2865 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
2866 ix86_expand_sse_compare, ix86_expand_sse_comi,
2867 ix86_expand_builtin): Likewise.
2869 2005-01-05 Richard Henderson <rth@redhat.com>
2871 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
2873 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
2874 (mulv4hi3): Set itanium_class mmmul.
2875 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
2876 (fpack): Rename from fpack_sfsf.
2878 2005-01-05 Richard Henderson <rth@redhat.com>
2881 * reload1.c (do_input_reload): Restrict the optimization deleteing
2882 a previous output reload to RELOAD_FOR_INPUT.
2884 2005-01-05 Steven Bosscher <stevenb@suse.de>
2886 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
2887 comment that we fall through after case.
2888 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
2889 (distribute_links): Likewise.
2890 * cse.c (cse_insn): Likewise.
2891 * cselib.c (cselib_invalidate_mem): Likewise.
2892 * df.c: Update comments at the top of the file.
2893 (read_modify_subreg_p): Update comments here too.
2894 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
2895 * flow.c (mark_set_1): Likewise.
2896 (mark_used_regs): Likewise.
2897 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2898 (canon_list_insert): Likewise.
2899 (mark_set): Likewise.
2900 (try_replace_reg): Likewise.
2901 (store_killed_in_insn): Likewise.
2902 * loop.c (count_one_set): Likewise.
2903 (basic_induction_var): Likewise.
2904 * postreload-gcse.c (find_mem_conflicts): Likewise.
2905 * postreload.c (reload_combine_note_store): Likewise.
2906 (move2add_note_store): Likewise.
2907 * reload.c (find_equiv_reg): Likewise.
2908 (mark_referenced_resources): Likewise.
2909 * rtlanal.c (set_noop_p): Likewise.
2910 (note_stores): Likewise.
2911 (note_uses): Likewise.
2912 * sched-deps.c (sched_analyze_1): Likewise.
2913 * sched-rgn.c (check_live_1): Likewise.
2914 (update_live_1): Likewise.
2915 * config/i860/i860.c: Likewise.
2917 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
2919 (ZERO_EXTRACT): Mention that this one can be an lvalue.
2921 * doc/rtl.texi: Update documentation for bit-fields and SET.
2923 2005-01-05 Roger Sayle <roger@eyesopen.com>
2925 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2927 2005-01-05 Jan Hubicka <jh@suse.cz>
2928 Richard Henderson <rth@redhat.com>
2931 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
2934 2005-01-05 Richard Henderson <rth@redhat.com>
2937 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
2938 (sse_shufps): Change operand 3 to const_int_operand.
2939 (sse2_storelps): Fix typo in template.
2940 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
2941 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
2942 (ix86_expand_builtin): Likewise.
2944 2005-01-05 Julian Brown <julian@codesourcery.com>
2946 * config/arm/arm.c (arm_return_in_memory): Treat complex types
2947 as aggregates for AAPCS ABIs.
2949 2005-01-05 Stan Shebs <shebs@apple.com>
2951 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
2952 Mach-O getters if ppc64.
2953 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
2955 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2956 signed four-byte field for global code case.
2957 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
2959 2005-01-05 Roger Sayle <roger@eyesopen.com>
2962 * c-common.c: Include real.h.
2963 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
2964 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
2965 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
2966 * Makefile.in (c-common.o): Update dependencies.
2968 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2970 * c-parse.in (asm_string): Add trailing semicolon.
2972 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2974 * c-parse.in (asm_string): New. Don't allow wide strings in
2976 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
2977 asm_string instead of STRING.
2979 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
2981 * c-typeck.c (constructor_no_implicit): Remove.
2982 (set_designator, process_init_element): Don't check
2983 constructor_no_implicit.
2985 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
2986 Kaz Kojima <kkojima@gcc.gnu.org>
2989 * lcm.c (create_pre_exit): New.
2990 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
2991 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
2993 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
2995 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
2996 -msoft-float in target_float_switch.
2997 * arm.c (arm_override_options): Fix processing of target_float_switch.
2999 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
3001 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
3004 2004-01-05 Uros Bizjak <uros@kss-loka.si>
3006 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
3007 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
3009 2005-01-04 Roger Sayle <roger@eyesopen.com>
3011 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
3012 if deleting the then-block allows the test-block to fallthru to the
3015 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
3018 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
3019 after the full declaration if the are in two different TUs.
3021 2005-01-04 Richard Henderson <rth@redhat.com>
3024 * tree-sra.c (generate_one_element_init): Just
3025 call gimplify_and_add.
3026 (generate_element_init): Record the
3027 new referenced variables and mark them for renaming
3028 and split out to ...
3029 (generate_element_init_1): This.
3030 (scalarize_init): Don't call push_gimplify_context/
3031 pop_gimplify_context.
3033 2005-01-04 Geoffrey Keating <geoffk@apple.com>
3035 * toplev.c (get_src_pwd): Handle failure of getpwd().
3037 2005-01-04 Roger Sayle <roger@eyesopen.com>
3039 * fold-const.c (fold_single_bit_test): Delete unreachable handling
3041 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
3042 all the cases handled by it are inverted by invert_truthvalue.
3044 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3046 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
3047 (save_register_windowsi): Likewise.
3049 2005-01-04 Richard Henderson <rth@redhat.com>
3051 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
3053 2005-01-04 Uros Bizjak <uros@kss-loka.si>
3056 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
3057 any simplifications of vector mode comparison operators.
3058 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
3060 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
3061 Devang Patel <dpatel@apple.com>
3063 PR tree-optimization/18308
3064 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
3065 the operands before creating a new expression.
3066 * dojump.c (do_jump): Make drop_through_label available
3067 for all cases. Add expansion of COND_EXPR.
3069 2005-01-04 Ira Rosen <irar@il.ibm.com>
3071 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
3072 INTEGER_CST instead of TREE_CONSTANT.
3073 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
3074 instead of TREE_CONSTANT.
3075 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
3076 instead of TREE_CONSTANT.
3078 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3080 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
3082 2005-01-04 Uros Bizjak <uros@kss-loka.si>
3085 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
3086 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
3088 2005-01-03 Richard Henderson <rth@redhat.com>
3090 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
3091 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
3092 fold_convert_const_real_from_real): Split out from ...
3093 (fold_convert_const): ... here.
3095 2005-01-03 Richard Henderson <rth@redhat.com>
3098 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
3099 (mov<MMXMODEI>_internal): Likewise.
3100 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
3101 Add V2SF case; use it for SSE1; don't use TI.
3102 (movdf_integer): Likewise.
3103 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
3105 2005-01-03 Ira Rosen <irar@il.ibm.com>
3107 * tree-vectorizer.c (vect_strip_conversions): New function.
3108 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
3109 check for binary class.
3111 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
3115 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
3117 * gimple-low.c (mark_blocks_with_used_vars): New function.
3118 (mark_blocks_with_used_subblocks): Ditto.
3119 (mark_used_blocks): Ditto.
3120 (pass_mark_used_blocks): New pass.
3121 * tree-inline.c: Include debug.h.
3122 (expand_call_inline): Call outlining_inline_function here.
3123 * tree-optimize.c (init_tree_optimization_passes): Add
3124 pass_mark_used_blocks.
3125 * tree-pass.h (pass_mark_used_blocks): New.
3126 * Makefile.in (tree-inline.o): Add debug.h dependency.
3128 2005-01-03 Geoffrey Keating <geoffk@apple.com>
3130 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
3131 VAR_DECLs to have weak_import attribute.
3133 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
3136 2004-01-03 Steven Bosscher <stevenb@suse.de>
3138 * passes.c (rest_of_compilation): Don't run regmove if only
3139 flag_expensive_optimizations, require flag_regmove instead.
3141 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3143 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
3145 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
3146 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3147 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
3148 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3150 2005-01-03 Richard Henderson <rth@redhat.com>
3152 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
3153 (ia64_const_ok_for_letter_p): New.
3154 (ia64_const_double_ok_for_letter_p): New.
3155 (ia64_extra_constraint): New.
3156 (ia64_expand_vecint_compare): New.
3157 (ia64_expand_vcondu_v2si): New.
3158 (ia64_expand_vecint_cmov): New.
3159 (ia64_expand_vecint_minmax): New.
3160 (ia64_print_operand): Add 'v'.
3161 (ia64_preferred_reload_class): New.
3162 (ia64_vector_mode_supported_p): New.
3163 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
3164 (PREFERRED_RELOAD_CLASS): Move to function.
3165 (CONST_OK_FOR_LETTER_P): Move to function.
3166 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
3167 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
3168 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
3169 (EXTRA_CONSTRAINT): Move to function.
3170 * config/ia64/ia64.md: Include vect.md.
3171 (itanium_class): Add mmalua.
3173 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
3175 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
3176 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
3178 (const_int_2bit_operand): New.
3179 (fr_reg_or_0_operand): New.
3180 * config/ia64/ia64-modes.def: Add vector modes.
3181 * config/ia64/ia64-protos.h: Update.
3182 * config/ia64/vect.md: New file.
3184 2005-01-03 Richard Henderson <rth@redhat.com>
3186 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
3188 2005-01-03 Uros Bizjak <uros@kss-loka.si>
3191 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
3193 (log1pdf2): Change mode of operands[0,1] to DFmode.
3195 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3197 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
3198 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
3199 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
3200 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
3201 SPARC_RELAXED_ORDERING.
3203 2005-01-03 Richard Henderson <rth@redhat.com>
3204 Uros Bizjak <uros@kss-loka.si>
3207 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
3208 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
3209 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
3211 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
3212 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
3213 const_pow2_1_to_128_operand): New predicates.
3215 2005-01-02 Greg McGary <greg@mcgary.org>
3217 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
3219 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
3220 object. [ptr_type]: Remove unused variable.
3221 Remember nearest addressable array-element or record-component
3222 when checking bitfield components. Tolerate empty BIND_EXPR.
3224 2005-01-01 Richard Henderson <rth@redhat.com>
3226 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
3227 that don't narrow the value. Fail for other conversions.
3229 2005-01-01 Richard Henderson <rth@redhat.com>
3232 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
3233 * c-lang.c (finish_file): Don't do it here.
3234 * objc/objc-act.c (objc_finish_file): Likewise.
3236 * cgraph.c (decl_assembler_name_equal): New.
3237 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
3238 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
3239 * cgraph.h (struct cgraph_varpool_node): Add next.
3240 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
3241 * varasm.c (assemble_alias): Mark the target as needed.
3243 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
3246 * function.c (get_arg_pointer_save_area): Use entry_of_function
3247 instead of get_insns.
3249 2005-01-01 Roger Sayle <roger@eyesopen.com>
3250 Andrew Pinski <pinskia@physics.uc.edu>
3251 James E. Wilson <wilson@specifixinc.com>
3253 PR rtl-optimization/12092
3254 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
3257 2005-01-01 Roger Sayle <roger@eyesopen.com>
3258 Olivier Hainque <hainque@act-europe.fr>
3260 * tree.c (int_fits_type_p): A narrower type always fits in a
3261 wider one, except for negative values into unsigned types.
3263 2005-01-01 Roger Sayle <roger@eyesopen.com>
3265 * tree.c (int_fits_type_p): Compare the result of force_fit_type
3266 with the original constant rather than require TREE_OVERFLOW.
3268 2005-01-01 Steven Bosscher <stevenb@suse.de>
3271 * c-decl.c (finish_function): If compiling C99, annotate the
3272 compiler generated return with the current file name and line 0.
3273 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
3274 the source line is greater than 0.
3275 (remove_bb): Likewise.
3277 See ChangeLog.12 for earlier changes.