1 2006-11-12 Roger Sayle <roger@eyesopen.com>
3 PR tree-optimization/13827
4 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
7 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
9 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
10 update_single_exit_for_duplicated_loops): New functions.
11 (duplicate_loop_to_header_edge): Use
12 update_single_exit_for_duplicated_loops.
13 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
14 functions only with ENABLE_CHECKING.
16 2006-11-12 Andreas Schwab <schwab@suse.de>
18 * except.c (sjlj_emit_function_enter): Remove unused variable.
20 2006-11-11 Roger Sayle <roger@eyesopen.com>
22 * fold-const.c (int_binop_types_match_p): New function.
23 (size_binop): Relax constraint that both arguments must both have
24 exactly the same sizetype type. Instead use int_binop_types_match_p.
25 (size_diffop): Likewise.
27 (make_range): Use build_int_cst instead of fold_convert.
28 (fold_cond_expr_with_comparison): Use build_int_cst to construct
29 integer constants of the correct type.
30 (fold_div_compare): Likewise.
31 (fold_single_bit_test): Likewise.
32 (fold_binary): Likewise.
33 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
34 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
36 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
39 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
40 non null value if the struct memory access is in the 0th
43 2006-11-12 Jie Zhang <jie.zhang@analog.com>
46 2006-11-11 Jie Zhang <jie.zhang@analog.com>
47 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
50 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
51 instead of builtin_define for bfin and BFIN.
53 2006-11-11 Jie Zhang <jie.zhang@analog.com>
55 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
58 2006-11-11 Jan Hubicka <jh@suse.cz>
60 * extended.texi (__builtin_expect): We no longer require second argument
62 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
63 * builtins.c (expand_builtin_expect): Simplify.
64 (expand_builtin_expect_jump): Kill.
65 * final.c (final_scan_insn): Do not skip the removed notes.
66 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
67 EXPECTED_VALUE): Remove.
68 * dojump.c (do_jump): Do not care about __builtin_expect.
69 * predict.c (expected_value_to_br_prob): Kill.
70 * function.c (expand_function_end): Do not expand
71 NOTE_INSN_REPEATED_LINE_NUMBER.
72 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
73 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
74 * cfgexpand.c (add_reg_br_prob_note): Export.
75 * cfgcleanup.c (rest_of_handle_jump2): Do not call
76 expected_value_to_br_prob.
77 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
78 * rtl.h (add_reg_br_prob_note): Declare.
80 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
82 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
84 2006-11-11 Jan Hubicka <jh@suse.cz>
86 * predict.c (predict_loops): Kill RTL variant.
88 2006-11-11 Jan Hubicka <jh@suse.cz>
90 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
91 * modulo-sched.c (find_line_note): Remove.
92 (loop_canon_p): Do not worry about line number notes.
93 (sms_schedule): Likewise.
94 * cse.c (cse_main): Likewise.
95 * regmove.c (fixup_match_1): Likewise
96 * function.c (emit_return_info_block): Likewise.
97 (expand_function_end): Likewise.
98 (thread_prologue_an_epilogue_insns): Likewise.
99 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
101 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
102 emit_note_copy_after): Kill.
103 (emit_note_copy): Do not worry about line numbers.
104 * jump.c (purge_line_number_notes): Kill.
105 (pass_purge_lineno_notes): Kill.
106 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
108 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
109 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
110 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
111 * tree-pass.h (pass_purge_lineno_notes): Kill.
112 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
113 rm_redundant_line_notes.
114 * sched-rgb.c (schedule_region): Don't rm_line_notes,
115 rm_redundant_line_notes.
116 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
117 * haifa-sched.c: Update comment about handling notes.
118 (unlink_line_notes): Kill.
119 (rm_line_notes): Kill.
120 (save_line_notes): Simplify.
121 (rm_redundant_line_notes): Kill.
123 2006-11-11 Richard Guenther <rguenther@suse.de>
125 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
126 Remove unused tree codes.
127 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
128 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
129 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
130 * tree.c (stabilize_reference): Likewise.
131 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
132 fold_unary): Likewise.
133 * tree-gimple.c (is_gimple_cast): Likewise.
134 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
135 * expr.c (expand_expr_real_1): Likewise.
136 * tree-eh.c (tree_could_trap_p): Likewise.
137 * gimplify.c (gimplify_expr): Likewise.
138 * tree-inline.c (estimate_num_insns_1): Likewise.
139 * tree-cfg.c (verify_expr): Likewise.
141 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
143 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
144 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
145 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
147 2006-11-11 Richard Sandiford <richard@codesourcery.com>
150 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
151 constraints accept neither registers or memories.
153 2006-11-11 Jie Zhang <jie.zhang@analog.com>
155 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
156 (NO_PROFILE_COUNTERS): Define as 1.
158 2006-11-10 Roger Sayle <roger@eyesopen.com>
160 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
161 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
163 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
165 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
167 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
169 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
170 (fold_builtin_hypot): Likewise.
171 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
173 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
175 2006-11-10 Roger Sayle <roger@eyesopen.com>
177 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
178 when attempting to build INTEGER_CSTs of non-integral types.
179 * expmed.c (make_tree): Use the correct type, i.e. the inner
180 type, when constructing the individual elements of a CONST_VECTOR.
182 2006-11-10 Jan Hubicka <jh@suse.cz>
184 * cse.c (cse_process_notes): Copy the propagated value.
185 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
187 * gcse.c (try_replace_reg): Copy the replacement.
188 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
189 (assign_386_stack_local): Always return copied memory expression
190 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
193 2006-11-10 Jan Hubicka <jh@suse.cz>
195 * final.c (final): Walk from first instruction.
196 * cfglayout.c (insn_locators_initialize): Remove line number notes.
198 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
201 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
203 (umulv8hi3_highpart): Ditto.
204 (vec_widen_smult_hi_v8hi): New expander.
205 (vec_widen_smult_lo_v8hi): Ditto.
207 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * builtins.c (do_mpfr_arg3): New.
210 (fold_builtin_1): Handle builtins fma, fmin and fmax.
212 2006-11-09 Eric Christopher <echristo@apple.com>
217 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
218 * config.gcc (powerpc64-*-darwin*): New target.
219 * config.host: Ditto.
220 * config/rs6000/darwin64.h: New file.
221 * config/rs6000/x-darwin64: Ditto.
222 * config/rs6000/host-ppc64-darwin.c: Ditto.
224 2006-11-09 Steve Ellcey <sje@cup.hp.com>
226 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
227 routines for integer division.
229 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
231 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
233 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
236 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
238 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
240 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
241 simplify_subreg with BLKmode outer mode.
243 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
245 * doc/invoke.texi: Minor formatting fixes in option lists.
247 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
249 PR tree-optimization/29738
250 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
251 (ccp_lattice_t): Remove UNKNOWN_VAL.
252 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
253 Do not handle UNKNOWN_VAL.
254 (get_default_value): Set initial value of virtual operands to
256 (get_value): Always use get_default_value on uninitialized
258 (set_value_varying, surely_varying_stmt_p): New functions.
259 (set_lattice_value): Do not pass argument to get_value.
260 Do not handle UNKNOWN_VAL.
261 (likely_value): Follow the semantics described in the comment.
262 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
263 phi nodes DONT_SIMULATE_AGAIN.
264 (ccp_fold): Do not pass argument to get_value.
265 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
268 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
270 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
271 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
273 2006-11-08 Roger Sayle <roger@eyesopen.com>
275 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
276 test for inclusion rather than as a test for exclusion.
277 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
278 the condition after calling fold_binary.
279 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
280 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
281 * builtins.c (fold_builtin_isascii): Likewise.
282 (fold_builtin_isdigit): Likewise.
284 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
286 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
287 * configure: Regenerate.
289 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
291 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
292 enum argument instead of bool.
293 (vect_analyze_operations): Call vectorizable_type_promotion.
294 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
295 stmt_vec_info_type value.
296 (supportable_widening_operation, vectorizable_type_promotion): New
297 function declarations.
298 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
299 (vectorizable_type_promotion): New function.
300 (vect_transform_stmt): Call vectorizable_type_promotion.
301 * tree-vect-analyze.c (supportable_widening_operation): New function.
302 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
304 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
307 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
308 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
309 * tree-inline.c (estimate_num_insns_1): Add cases for above new
311 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
312 * expr.c (expand_expr_real_1): Likewise.
313 * optabs.c (optab_for_tree_code): Likewise.
314 (init_optabs): Initialize new optabs.
315 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
316 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
317 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
318 vec_unpacku_lo_optab): Initialize new optabs.
319 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
320 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
321 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
323 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
324 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
325 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
326 (vec_unpacku_lo_optab): New optabs.
327 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
328 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
329 (vec_widen_smult_hi, vec_widen_smult_lo): New.
330 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
331 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
332 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
334 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
335 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
336 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
337 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
338 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
339 implement the unsigned unpacking patterns.
340 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
341 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
342 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
343 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
344 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
345 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
346 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
347 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
348 multiplication patterns.
350 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
351 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
352 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
353 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
354 (rs6000_builtin_mul_widen_odd): New.
355 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
356 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
357 * tree-vectorizer.h (enum vect_relevant): New enum type.
358 (_stmt_vec_info): Field relevant chaned from bool to enum
360 (STMT_VINFO_RELEVANT_P): Updated.
361 (STMT_VINFO_RELEVANT): New.
362 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
363 instead of STMT_VINFO_RELEVANT_P.
364 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
365 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
366 and boolean variable with enum vect_relevant.
367 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
368 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
369 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
371 2006-11-08 Richard Henderson <rth@redhat.com>
373 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
374 vec_widen_umult_lo_v8hi): New.
375 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
376 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
378 * config/i386/i386.c (ix86_expand_sse_unpack): New.
379 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
380 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
381 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
382 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
383 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
384 vec_unpacks_lo_v4si): New.
386 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
388 * tree-vect-transform.c (vectorizable_type_demotion): New function.
389 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
390 (vect_analyze_operations): Call vectorizable_type_demotion.
391 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
392 stmt_vec_info_type value.
393 (vectorizable_type_demotion): New function declaration.
394 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
397 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
398 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
400 * tree-iniline.c (estimate_num_insns_1): Likewise.
401 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
402 * optabs.c (optab_for_tree_code): Likewise.
404 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
405 compared against the predicate of the result is not 'mode' (the input
406 to the function) but a mode with half the size of 'mode'.
407 (init_optab): Initialize new optabs.
408 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
410 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
412 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
413 (vec_pack_usat_optab): Initialize new optabs.
414 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
415 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
417 2006-11-08 Richard Henderson <rth@redehat.com>
419 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
420 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
421 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
422 (vec_interleave_highv4si, vec_interleave_lowv4si):
423 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
425 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
427 * tree-vect-transform.c (vectorizable_reduction): Support multiple
429 (vect_transform_stmt): Removed redundant code.
431 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
433 * tree-vect-transform.c (vectorizable_operation): Support multiple
436 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
438 * tree-vect-transform.c (vect_align_data_ref): Removed.
439 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
440 Updated function documentation. Return the increment stmt in ptr_incr.
441 (bump_vector_ptr): New function.
442 (vect_get_vec_def_for_stmt_copy): New function.
443 (vect_finish_stmt_generation): Create a stmt_info to newly created
445 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
447 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
448 VF is greater than the number of elements that can fit in one vector
450 (vectorizable_operation, vectorizable_condition): Likewise.
451 (vectorizable_store, vectorizable_load): Support the case that the VF
452 is greater than the number of elements that can fit in one vector word.
453 (vect_transform_loop): Don't fail in case of multiple data-types.
454 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
455 in case of multiple data-types; the smallest type determines the VF.
456 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
457 if they are of different sizes.
458 (vect_update_misalignment_for_peel): Compare misalignments in terms of
459 number of elements rather than number of bytes.
460 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
461 (vect_can_advance_ivs_p): Fix a dump printout
463 2006-11-07 Eric Christopher <echristo@apple.com>
465 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
467 * libgcc2.h: Remove transformation of bswap routines.
468 * config/i386/i386.md (bswapsi2): New.
471 2006-11-07 Jakub Jelinek <jakub@redhat.com>
473 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
474 (handle_gnu_inline_attribute): New function.
475 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
476 (merge_decls, start_decl, start_function): Likewise.
477 * doc/extend.texi: Document gnu_inline attribute.
479 2006-11-07 Steve Ellcey <sje@cup.hp.com>
482 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
483 _fixunstfdi, and _floatditf
485 2006-11-06 Anatoly Sokolov <aesok@post.ru>
487 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
489 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
490 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
491 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
492 which start in an odd register.
494 2006-11-07 Richard Sandiford <richard@codesourcery.com>
496 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
498 2006-11-07 Josh Conner <jconner@apple.com>
500 * doc/invoke.texi (fstrict-aliasing): Move implementation
502 * doc/tree-ssa.texi (Alias analysis): ...here.
504 2006-11-07 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/29610
507 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
508 of tree_purge_dead_eh_edges as it may free dominators.
510 * g++.dg/other/pr29610.C: New testcase.
512 2006-11-07 David Ung <davidu@mips.com>
514 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
515 costs when optimizing for size.
516 (override_options): Use mips_rtx_cost_optimize_size table for cost
519 2006-11-07 Jie Zhang <jie.zhang@analog.com>
521 * gcc.c (process_command): Treat -b as normal switch if its argument
524 2006-11-07 David Ung <davidu@mips.com>
526 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
529 2006-11-06 Eric Christopher <echristo@apple.com>
531 * config.gcc: Add x86_64-darwin host support.
532 * config.host: Ditto.
533 * config/i386/darwin64.h: New file.
534 * config/i386/t-darwin64: Ditto.
536 2006-11-06 Janis Johnson <janis187@us.ibm.com>
538 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
539 and output-exists-not.
541 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
544 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
545 checking for overflow.
547 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
549 * configure.ac: Fixed typo in case statement: :: changed to ;;
551 2006-11-06 Bob Wilson <bob.wilson@acm.org>
553 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
554 count_leading_zeros, and count_trailing_zeros.
555 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
556 (TARGET_FOLD_BUILTIN): Define.
557 (TARGET_EXPAND_BUILTIN): Define.
558 (xtensa_init_builtins): New.
559 (xtensa_fold_builtin): New.
560 (xtensa_expand_builtin): New.
561 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
562 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
563 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
564 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
565 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
566 (any_extend): New code macro.
567 (u, su): New code attributes.
568 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
569 (nsau): Remove; replaced by clzsi2.
570 (ffssi2): Use clzsi2.
571 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
572 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
573 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
574 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
575 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
577 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
579 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
581 * config/arm/t-strongarm-elf: Likewise.
582 * config/arm/t-pe: Likewise.
583 * config/arm/t-arm-elf: Likewise.
584 * config/arm/t-xscale-elf: Likewise.
585 * config/arm/t-arm-coff: Likewise.
586 * config/arm/t-xscale-coff: Likewise.
587 * config/arm/t-wince-pe: Likewise.
589 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
591 * config/sh/lib1funcs-4-300.asm: Guard entire file with
594 2006-11-05 Jakub Jelinek <jakub@redhat.com>
597 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
600 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
603 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
604 as a valid 80387 constant.
605 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
606 * config/i386/i386.md (unnamed splitter): Split the load of
607 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
610 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
612 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
613 from the soft-frame, argument and virtual registers.
615 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
617 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
618 patterns for standard 80387 constants.
620 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
621 Steven Bosscher <steven@gcc.gnu.org>
623 * fwprop.c: New file.
624 * Makefile.in: Add fwprop.o.
625 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
626 * passes.c (init_optimization_passes): Schedule forward propagation.
627 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
629 * timevar.def (TV_FWPROP): New.
630 * common.opt (-fforward-propagate): New.
631 * opts.c (decode_options): Enable forward propagation at -O2.
632 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
633 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
634 canon_for_address, table_size): Remove.
635 (new_basic_block, insert, remove_from_table): Remove references to
637 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
638 simplification loop more straightforward by not calling fold_rtx
640 (equiv_constant): Move here a small part of fold_rtx_subreg,
641 do not call fold_rtx. Call avoid_constant_pool_reference
643 * recog.h (canonicalize_change_group): New.
645 * doc/invoke.texi (Optimization Options): Document fwprop.
646 * doc/passes.texi (RTL passes): Document fwprop.
648 2006-11-03 Geoffrey Keating <geoffk@apple.com>
650 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
651 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
652 (grokdeclarator): Likewise.
654 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
656 * tree-dump.c (dump_enable_all): Rename local variable
657 ir_type to avoid name conflicts.
658 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
659 instead of using ir_type().
660 * profile.c (tree_register_profile_hooks): Likewise.
661 * value-prof.c (tree_register_value_prof_hooks): Likewise.
662 * basic-block.h (struct edge_def): Likewise.
663 * config/arm/arm.c (legitimize_pic_address): Likewise.
664 * coretypes.h (ir_type): New enum of all intermediate languages
666 * cfghooks.c (ir_type): Rename to...
667 (current_ir_type): ...this. Distinguish between cfgrtl and
668 cfglayout mode when the current IR is RTL. Return enum ir_type.
669 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
671 2006-11-03 Paul Brook <paul@codesourcery.com>
673 * config/arm/arm.c (arm_file_start): New function.
674 (TARGET_ASM_FILE_START): Define.
675 (arm_default_cpu): New variable.
676 (arm_override_options): Set arm_default_cpu.
678 2006-11-03 David Ung <davidu@mips.com>
680 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
681 PROCESSOR_24KC and PROCESSOR_24KF.
682 * config/mips/mips.c (mips_cpu_info_table): Add processor names
683 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
684 (mips_rtx_cost_data): Add costs for the 24kc.
685 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
686 * config/mips/24k.md: Remove references to 24k and replace with
687 uses of 24kc/24kf in the appropriate reservations.
688 * doc/invoke.texi (MIPS Options): Updated.
690 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
692 * config/sh/crt1.asm: Fix #ifdef indent.
694 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
695 Merged from STMicroelectronics sources:
696 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
697 * config/sh/crt1.asm (vbr_600): Add missing #if.
698 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
699 * sh.opt (mfused-madd): New option.
700 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
701 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
702 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
703 Remove pointless handler at VBR+0.
704 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
705 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
706 fr7. Make sure the timer handler is called with the correct FPU
707 precision setting, according to the ABI.
708 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
709 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
710 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
711 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
712 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
713 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
714 zero as second operand.
715 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
716 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
717 Fixed some bugs related to negative values, in particular -0
718 and overflow at -0x80000000.
719 * config/sh/divcost-analysis: Added sh4-300 figures.
720 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
721 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
722 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
723 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
724 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
725 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
727 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
729 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
730 SH4-300 scheduling description & fixes to SH4-[12]00 description:
731 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
732 mac_mem, mem_mac, dfp_mul, fp_cmp.
733 (insn_class, dfp_comp, any_fp_comp): Update.
734 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
735 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
736 (muldf3_i): Likewise.
737 (movsi_i): Split rI08 alternative into two separate alternatives.
739 (movsi_ie, movsi_i_lowpart): Likewise.
740 (movqi_i): Split ri alternative into two separate alternatives.
742 * sh1.md (sh1_load_store, sh1_fp): Update.
743 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
744 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
745 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
746 (sh4a_fp_double_arith): Likewise.
747 * sh4-300.md: New file.
748 * sh.c (sh_handle_option): Handle m4-300* options.
749 (sh_adjust_cost): Fix latency of auto-increments.
750 Handle SH4-300 differently than other SH4s. Check for new insn types.
751 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
752 been set by an option.
753 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
754 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
755 (mbranch-cost=): Likewise.
756 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
758 * sh.md (mulsf3): Remove special expansion code.
759 (mulsf3_ie): Now a define_insn_and_split.
760 (macsf3): Allow for TARGET_SH4.
762 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
763 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
764 (expand_cbranchdi4): Likewise.
765 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
766 CONST_DOUBLE if the outer code is COMPARE.
767 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
768 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
769 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
770 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
771 Remove redundant fp_{zero,one}_operand checks.
772 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
773 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
774 (expand_cbranchdi4): Likewise.
775 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
776 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
778 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
780 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
783 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
785 * doc/invoke.texi: Fix mfp-trap-mode typo.
787 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
789 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
790 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
791 file_end_indicate_exec_stack.
792 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
794 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
795 for a non-executable stack.
796 * crti.asm: Likewise.
797 * crtn.asm: Likewise.
798 * libunwind.S: Likewise.
800 2006-11-02 Ben Elliston <bje@au.ibm.com>
802 * tree-ssa.c (warn_uninit): Use expand_location variables for
803 locus and declaration locus.
805 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
808 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
809 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
810 cmp{eq,gt,gtu}{si,di}_media.
811 (*cmpne0si_media): Remove.
812 (*movsicc_umin): Adjust gen_cmp*_media call.
813 (unordered): Change the mode of unordered and operands[1] to
815 (seq): Adjust gen_cmp*_media calls. Make the mode of
816 a temporary result of compare SImode if needed. If the mode
817 of operands[0] is DImode, extend the temporary result to DImode.
818 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
819 (sunorderd): Change the mode of match_operand and unorderd to
821 (cmpeq{sf,df}_media): Remove.
822 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
823 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
824 and compare operation to SImode.
826 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
828 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
830 (sparc64-sun-solaris2*): Likewise.
832 2006-11-02 Paul Brook <paul@codesourcery.com>
834 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
835 from priority argument. Use different section for non-default
837 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
839 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
842 * except.c (switch_to_exception_section): Do not cache the section
843 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
844 and flag_function_sections is set.
846 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849 * builtins.c (do_mpfr_sincos): New.
850 (fold_builtin_1): Use it to fold builtin sincos.
852 2006-11-01 Roger Sayle <roger@eyesopen.com>
854 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
855 it into -D_REENTRANT.
857 2006-11-01 Roger Sayle <roger@eyesopen.com>
859 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
860 whether the assembler supports taking the difference of symbols in
861 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
862 * configure: Regenerate.
863 * config.in: Regenerate.
864 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
865 the assembler doesn't support taking the difference of symbols in
866 different sections, i.e. we're using the native solaris assembler.
868 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
869 Peter Bergner <bergner@vnet.ibm.com>
871 * doc/invoke.texi: Add cpu_type power6x
872 (RS/6000 and PowerPC Options): Add -mmfpgpr.
873 * config.gcc: Add cpu_type power6x.
874 * configure.ac: Add test for mf{t,f}gpr instructions.
875 (HAVE_AS_MFPGPR): New.
876 * config.in: Regenerate.
877 * configure: Regenerate.
878 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
879 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
880 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
881 and mftgpr attributes.
882 (define_attr "cpu"): Add power6.
883 Change instruction sequences to use new attributes.
884 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
885 (fix_truncdfsi2_mfpgpr): New.
886 (floatsidf_ppc64_mfpgpr): New.
887 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
888 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
889 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
890 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
891 (fix_truncdfsi2): Use gpc_reg_operand constraint.
892 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
893 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
894 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
895 cntlz,exts and var_delayed_compare.
896 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
897 _ARCH_PWR6X, if features enabled.
898 * config/rs6000/rs6000.opt (mmfpgpr): New.
899 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
900 (cached_can_issue_more): New variable.
901 (processor_costs): Add power6_cost.
902 (rs6000_sched_init): New function.
903 (is_dispatch_slot_restricted): Deleted.
904 (set_to_load_agen): New function.
905 (is_load_insn,is_store_insn): New functions.
906 (adjacent_mem_locations): New function.
907 (insn_must_be_first_in_group): New function.
908 (insn_must_be_last_in_group): New function.
909 (rs6000_sched_reorder): New function.
910 (rs6000_sched_reorder2): New function.
911 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
912 TARGET_SCHED_REORDER2): Define.
913 (processor_target_table): Use PROCESSOR_POWER6 for power6.
914 Add power6x. Add MASK_MFPGPR for power6x.
915 (POWERPC_MASKS): Add MASK_MFPGPR.
916 (rs6000_override_options): Set rs6000_always_hint to false
917 for power6. Set rs6000_align_branch_targets. Replace
918 rs6000_sched_groups check with rs6000_align_branch_targets.
919 Use PROCESSOR_POWER6.
920 (last_scheduled_insn): New variable.
921 (load_store_pendulum): New variable.
922 (rs6000_variable_issue): Set last_scheduled_insn and
923 cached_can_issue_more.
924 (rs6000_adjust_cost): Add power6 cost adjustments.
925 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
926 with insn_must_be_first_in_group. Add power6 priority adjustments.
927 (rs6000_issue_rate): Add CPU_POWER6.
928 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
929 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
930 (TARGET_MFPGPR): New.
931 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
932 (ASM_CPU_SPEC): Add power6x.
933 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
935 * config/rs6000/power6.md: New file.
937 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
939 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
940 HOST_WIDE_INT_PRINT to print high and low parts. Use
941 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
942 printing a hexadecimal number prefix it with 0x.
944 2006-11-01 Chris Johns <chris@contemporary.net.au>
947 * Makefile.in (install-driver): Use exeext when installing
948 $target-gcc-$version.
950 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
952 * c-common.c (flag_cpp0x): New.
953 * c-common.h (flag_cpp0x): New.
954 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
955 supported, define __GXX_EXPERIMENTAL_CPP0X__.
956 * c-opts.c (set_std_cxx0x): New.
957 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
958 * c.opt (std=c++0x): Document.
959 (std=gnu++0x): Ditto.
960 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
961 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
963 2006-11-01 Richard Guenther <rguenther@suse.de>
965 * config/i386/i386.c (ix86_expand_rint): Fix issues with
967 (ix86_expand_floorceildf_32): Likewise.
968 (ix86_expand_floorceil): Likewise.
969 (ix86_expand_trunc): Likewise.
971 2006-10-31 Andrew Pinski <pinskia@gmail.com>
973 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
976 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
978 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
980 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
982 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
984 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
985 * configure.ac (use_cxa_atexit): As a special case, don't test
986 for libc definition of __cxa_atexit on mingw32
987 * configure: Regenerate.
988 * config.gcc (i[34567]86-pc-mingw32): Default to
989 enable__cxa_atexit=yes.
991 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
993 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
995 2006-10-31 Geoffrey Keating <geoffk@apple.com>
998 * c-decl.c (start_struct): Don't create self-containing
1000 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1002 * config/rs6000/rs6000-protos.h
1003 (darwin_rs6000_special_round_type_align): New.
1004 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1005 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1007 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1009 * toplev.c (compile_file): Call final_write_globals
1010 even if there have been errors.
1012 2006-10-31 Eric Christopher <echristo@apple.com>
1013 Falk Hueffner <falk@debian.org>
1015 * doc/extend.texi (__builtin_bswap32): Document.
1016 (__builtin_bswap64): Ditto.
1017 * doc/libgcc.texi (bswapsi2): Document.
1019 * doc/rtl.texi (bswap): Document.
1020 * optabs.c (expand_unop): Don't widen a bswap.
1021 (init_optabs): Init bswap. Set libfuncs explicitly
1022 for bswapsi2 and bswapdi2.
1023 * optabs.h (OTI_bswap): New.
1024 (bswap_optab): Ditto.
1025 * genopinit.c (optabs): Handle bswap_optab.
1026 * tree.h (tree_index): Add TI_UINT32_TYPE and
1028 (uint32_type_node): New.
1029 (uint64_type_node): Ditto.
1030 * tree.c (build_common_tree_nodes_2): Initialize
1031 uint32_type_node and uint64_type_node.
1032 * builtins.c (expand_builtin_bswap): New.
1033 (expand_builtin): Call.
1034 (fold_builtin_bswap): New.
1035 (fold_builtin_1): Call.
1036 * fold-const.c (tree_expr_nonnegative_p): Return true
1038 * builtin-types.def (BT_UINT32): New.
1040 (BT_FN_UINT32_UINT32): Ditto.
1041 (BT_FN_UINT64_UINT64): Ditto.
1042 * builtins.def (BUILT_IN_BSWAP32): New.
1043 (BUILT_IN_BSWAP64): Ditto.
1044 * rtl.def (BSWAP): New.
1045 * genattrtab.c (check_attr_value): New.
1046 * libgcc2.c (__bswapSI2): New.
1047 (__bswapDI2): Ditto.
1048 * libgcc2.h (__bswapSI2): Declare.
1049 (__bswapDI2): Ditto.
1050 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1051 * simplify-rtx.c (simplify_const_unary_operation): Return
1053 * libgcc-std.ver (__bwapsi2): Add.
1054 (__bswapdi2): Ditto.
1055 * reload1.c (eliminate_regs_1): Add bswap.
1056 (elimination_effects): Ditto.
1057 * config/i386/i386.h (x86_bswap): New.
1058 (TARGET_BSWAP): Use.
1059 * config/i386/i386.c (x86_bswap): Set.
1061 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1063 * coverage.c (coverage_checksum_string): Update comment.
1064 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1065 of get_file_function_name.
1066 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1067 of get_file_function_name_long.
1068 * tree.c (get_file_function_name): Rename from
1069 get_file_function_name_long; improve comment; handle 'I' and 'D'
1070 specially when the target has ctor/dtor support; remove special
1072 (get_file_function_name): Remove.
1073 * tree.h (get_file_function_name): Rename from
1074 get_file_function_name_long.
1075 (get_file_function_name): Remove prototype.
1077 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1079 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1080 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1082 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1083 Call dsymutil when compiling and linking one or more source files
1086 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1089 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1091 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1093 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1094 inline static functions in c99 mode.
1097 * doc/extend.texi (Inline): Update.
1098 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1099 * c-decl.c (current_extern_inline): Delete.
1100 (pop_scope): Adjust test for an undefined nested function.
1101 Add warning about undeclared inline function.
1102 (diagnose_mismatched_decls): Update comments. Disallow overriding
1103 of inline functions in a translation unit in C99. Allow inline
1104 declarations in C99 at any time.
1105 (merge_decls): Boolize variables. Handle C99 'extern inline'
1107 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1108 C99 inline semantics.
1109 (start_function): Don't clear current_extern_inline. Don't set
1111 (c_push_function_context): Don't push current_extern_inline.
1112 (c_pop_function_context): Don't restore current_extern_inline.
1115 * c-typeck.c (build_external_ref): Warn about static variables
1116 used in extern inline functions.
1117 * c-decl.c (start_decl): Warn about static variables declared
1118 in extern inline functions.
1120 2006-10-31 Roger Sayle <roger@eyesopen.com>
1123 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1124 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1125 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1126 or y is an even integer.
1128 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1131 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1132 * gthr-posix95.h (__gthread_active_p): Likewise.
1134 2006-10-31 Richard Guenther <rguenther@suse.de>
1136 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1137 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1138 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1139 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1140 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1141 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1142 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1143 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1146 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1148 * opts.c (decode_options): Disable CSE skip blocks.
1150 2006-10-30 Dirk Mueller <dmueller@suse.de>
1152 * c-common.h (strict_aliasing_warning): Fix whitespace.
1153 * c-decl (start_function): Move code for main decl warning ..
1154 * c-common.c (check_main_parameter_types): .. here.
1155 * c-common.h (check_main_parameter_types): Declare.
1157 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1160 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1162 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1164 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1165 be a PARALLEL containing sets. Return false when out_pat is not
1168 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1170 * config/mips/mips.md (mul<mode>3): Split into...
1171 (mulsi3, muldi3): ...these separate patterns.
1173 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1175 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1176 but with each set of options separated by spaces.
1178 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1180 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1181 dwarf_reg_size_table has been initialized.
1183 2006-10-30 Roger Sayle <roger@eyesopen.com>
1185 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1186 * ddg.c (print_ddg_edge): Likewise.
1187 * dwarf2out.c (prune_unused_types_walk): Likewise.
1188 * ifcvt.c (noce_try_cmove_arith): Likewise.
1189 * langhooks.c (add_builtin_function): Likewise.
1190 * reg-stack.c (subst_stack_regs_pat): Likewise.
1191 * tree.c (expanded_location): Likewise.
1192 * tree-dump.c (dequeue_and_dump): Likewise.
1194 2006-10-30 David Daney <ddaney@avtrex.com>
1196 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1198 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1200 PR tree-optimization/29637
1201 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1202 of the innertype is the innertype itself.
1204 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1206 * dwarf2out.c (file_name_acquire): Correct typo.
1208 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1210 * tree.h (tree_value_handle): Remove struct value_set declaration.
1211 Change value_set to bitmap_set.
1212 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1213 * tree-vn.c (get_value_handle): Made inline and moved to
1215 * tree-flow-inline.h: (has_stmt_ann): New function.
1216 * tree-ssa-pre.c (expressions): New variable.
1217 (next_expression_id): Ditto.
1218 (alloc_expression_id): New function.
1219 (struct value_set): Remove.
1220 (get_expression_id): New function.
1221 (get_or_alloc_expression_id): Ditto.
1222 (expression_for_id): Ditto.
1223 (clear_expression_ids): Ditto.
1224 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1225 (bb_value_sets): Renamed to bb_bitmap_sets.
1226 All value sets replaced with bitmap_sets.
1228 (BB_VISITED): New macro.
1229 (postorder): New variable.
1230 (add_to_value): Removed.
1231 (value_exists_in_set_bitmap): Ditto.
1232 (value_insert_into_set_bitmap): Ditto.
1235 (set_remove): Ditto.
1236 (set_contains_value): Ditto.
1237 (insert_into_set): Ditto.
1239 (find_leader): Ditto.
1240 (bitmap_set_subtract_from_value_set): Ditto.
1241 (value_insert_into_set): Ditto.
1242 (print_value_set): Ditto.
1243 (debug_value_set): Ditto.
1244 (constant_expr_p): New function.
1245 (bitmap_remove_from_set): Ditto.
1246 (bitmap_insert_into_set): Ditto.
1247 (bitmap_set_free): Ditto.
1248 (vh_compare): Ditto.
1249 (sorted_array_from_bitmap_set): Ditto.
1250 (bitmap_set_subtract): Ditto.
1251 (bitmap_set_equal): Ditto.
1252 (debug_bitmap_set): Ditto.
1253 (find_leader_in_sets): Ditto.
1254 (bitmap_set_replace_value): Modify for bitmapped sets.
1255 (phi_translate): Ditto.
1256 (phi_translate_set): Ditto.
1257 (bitmap_find_leader): Ditto.
1258 (valid_in_sets): Ditto.
1259 (union_contains_value): Ditto.
1261 (compute_antic_aux): Ditto. Mark changed blocks.
1262 (compute_antic): Ditto. Iterate in postorder and only over
1264 (compute_rvuse_and_antic_safe): Reuse postorder.
1265 (create_component_ref_by_pieces): Modify for bitmapped sets.
1266 (find_or_generate_expression): Ditto.
1267 (create_expression_by_pieces): Ditto.
1268 (insert_into_preds_of_block): Ditto.
1269 (changed_blocks): New variable.
1270 (do_regular_insertion): Broken out from insert_aux.
1271 (insert_aux): Modified for bitmapped sets.
1272 (find_existing_value_expr): New function.
1273 (create_value_expr_from): Use it.
1274 (insert_extra_phis): Removed.
1275 (print_bitmap_set): Renamed from bitmap_print_value_set.
1276 (compute_avail): Handle RETURN_EXPR.
1277 (init_pre): Modify for bitmapped sets.
1278 * tree-flow.h (has_stmt_ann): New function.
1280 2006-10-29 Roger Sayle <roger@eyesopen.com>
1282 * builtins.c (fold_builtin_floor): Check for the availability of
1283 the C99 trunc function before transforming floor into trunc.
1285 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1287 * builtins.c (fold_builtin_hypot): Rearrange recursive
1288 transformation before others, and also do ABS_EXPR. When
1289 necessary, check flag_unsafe_math_optimizations. When necessary,
1292 2006-10-29 Roger Sayle <roger@eyesopen.com>
1294 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1295 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1296 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1297 Fold -X eq/ne -Y as X eq/ne Y.
1299 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1301 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1302 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1303 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1304 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1305 Use an inclusive test for "mult" rather than "mul".
1306 (rotr<mode>3): Depend on ISA_HAS_ROR.
1307 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1309 (GENERATE_MULT3_DI): Delete.
1310 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1311 (ISA_HAS_MUL3): New macro.
1312 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1313 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1314 (ISA_HAS_CLZ_CLO): Likewise.
1315 (ISA_HAS_DCLZ_DCLO): Delete.
1316 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1317 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1318 the VR4120 and VR4130.
1319 (ISA_HAS_MACCHI): Use consistent formatting.
1320 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1321 (ISA_HAS_ROR): ...this new macro.
1322 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1323 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1324 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1326 2006-10-29 Roger Sayle <roger@eyesopen.com>
1328 PR tree-optimization/15458
1329 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1332 2006-10-29 Richard Guenther <rguenther@suse.de>
1334 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1335 (ix86_expand_truncdf_32): Likewise.
1336 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1337 trunc inline for SSE math and -fno-trapping-math and if not
1338 optimizing for size.
1339 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1340 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1341 for expanding btrunc inline for SSE math.
1343 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1345 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1346 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1347 i[34567]86-*-solaris2.1[0-9]*.
1348 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1349 Define conditionally depending on TARGET_64BIT_DEFAULT.
1350 (SPEC_32, SPEC_64): Define.
1351 (LINK_SPEC): Use them.
1352 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1354 2006-10-29 Richard Guenther <rguenther@suse.de>
1356 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1357 (ix86_expand_rounddf_32): Likewise.
1358 * config/i386/i386.c (ix86_expand_round): New function expanding
1359 round inline for SSE math and -fno-trapping-math and if not
1360 optimizing for size.
1361 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1362 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1363 round via ix86_expand_round.
1365 2006-10-29 Richard Guenther <rguenther@suse.de>
1367 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1368 (ix86_expand_floorceildf_32): Likewise.
1369 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1370 static helper function.
1371 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1373 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1374 * config/i386/i386.md (floordf2): Adjust to enable floor
1375 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1376 -fno-trapping-math is enabled and if not optimizing for size.
1377 (floorsf2, ceildf2, ceilsf2): Likewise.
1378 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1379 (sse2_maskcmpdf3): Likewise.
1381 2006-10-29 Richard Guenther <rguenther@suse.de>
1383 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1384 rint in case -fno-trapping-math is enabled.
1385 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1386 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1387 (ix86_expand_sse_fabs): Likewise.
1388 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1389 * config/i386/i386.md (rintdf2): Enable for SSE math if
1390 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1391 (rintsf2): Likewise.
1393 2006-10-29 Richard Guenther <rguenther@suse.de>
1395 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1396 to conversion optabs.
1397 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1398 as conversion optab.
1399 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1400 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1401 (lfloor_optab, lceil_optab): Adjust defines.
1402 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1403 lfloor and lceil optabs now being conversion optabs.
1404 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1405 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1406 New static helper function.
1407 (ix86_expand_lfloorceil): New function to expand lfloor and
1409 * config/i386/i386.md (lfloor<mode>2): Split into ...
1410 (lfloorxf<mode>2): ... x87 variant
1411 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1412 using ix86_expand_lfloorceil.
1413 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1415 * doc/md.texi (lfloorMN, lceilMN): Document.
1417 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1419 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1420 -mno-shared assembler option on mips targets.
1421 * configure, config.in: Regenerate.
1422 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1423 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1424 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1426 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1428 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1429 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1431 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1433 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1434 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1437 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1440 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1441 (fold_builtin_pow): Evaluate constant arguments at compile-time
1443 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1444 (do_mpfr_ckconv): New helper function.
1445 (do_mpfr_arg1): Use do_mpfr_ckconv.
1446 (do_mpfr_arg2): New.
1448 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1451 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1452 (-fdump-rtl-sched): Rename to ..
1453 (-fdump-rtl-sched1): here. Also fix file extension number.
1455 2006-10-28 Richard Guenther <rguenther@suse.de>
1457 * fold-const.c (maybe_canonicalize_comparison): Fix code
1460 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1462 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1463 (NON_QI_REG_P): Use IN_RANGE.
1464 (REX_INT_REGNO_P): Use IN_RANGE.
1465 (FP_REGNO_P): Use IN_RANGE.
1466 (SSE_REGNO_P): Use IN_RANGE.
1467 (REX_SSE_REGNO_P): Use IN_RANGE.
1468 (MMX_REGNO_P): Use IN_RANGE.
1469 (STACK_REGNO_P): New macro.
1470 (STACK_REG_P): Use STACK_REGNO_P.
1471 (NON_STACK_REG_P): Use STACK_REGNO_P.
1472 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1473 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1474 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1475 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1476 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1478 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1480 * except.h (output_function_exception_table): Add 'const char*' param.
1481 * except.c (switch_to_exception_section): Add 'const char*' param.
1482 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1483 and flag_function_sections is set, use a function-specific section.
1484 (output_function_exception_table): Add 'const char*' param.
1485 Adjust call to switch_to_exception_section.
1486 * final.c (rest_of_handle_final): Adjust calls to
1487 output_function_exception_table.
1488 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1489 * config.in: Regenerate.
1490 * configure: Likewise.
1492 2006-10-28 Richard Guenther <rguenther@suse.de>
1495 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1496 for maybe_canonicalize_comparison.
1497 (maybe_canonicalize_comparison): New function for canonicalizing
1499 (fold_comparison): Call it to canonicalize comparisons with
1502 2006-10-28 Richard Guenther <rguenther@suse.de>
1505 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1506 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1507 (expand_builtin): Adjust likewise.
1508 * genopinit.c (optabs[]): Add lround optab.
1509 * optabs.c (init_optabs): Initialize lround_optab.
1510 * optabs.h (enum convert_optab_index): Add COI_lround.
1511 (lround_optab): Define.
1512 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1513 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1515 (ix86_expand_lround): New function.
1516 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1518 * doc/md.texi (lroundMN2): Document.
1520 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1523 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1524 argument to HOST_WIDE_INT. Update function prototype.
1525 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1526 "size" argument to HOST_WIDE_INT. Update function prototype.
1528 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1530 * config/i386/i386.c (output_387_ffreep): Create output from a
1531 template string for !HAVE_AS_IX86_FFREEP.
1533 2006-10-27 Eric Christopher <echristo@apple.com>
1535 * config/darwin.c: Fix formatting and grammar.
1537 2006-10-27 Jan Hubicka <jh@suse.cz>
1539 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1540 to be thrown away soon when IGNORE is set.
1541 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1542 indicating when return value shall not be computed.
1543 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1545 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1547 * config/i386/i386.h (TARGET_GEODE):
1548 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1549 (TARGET_CPU_DEFAULT_geode): New macro.
1550 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1551 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1552 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1553 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1554 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1556 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1557 (processor_type): Add PROCESSOR_GEODE.
1559 * config/i386/i386.md: Include geode.md.
1562 * config/i386/i386.c (geode_cost): New initialized global
1564 (m_GEODE, m_K6_GEODE): New macros.
1565 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1566 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1567 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1568 x86_schedule): Use m_K6_GEODE instead of m_K6.
1569 (x86_movx, x86_cmove): Set up m_GEODE.
1570 (x86_integer_DFmode_moves): Clear m_GEODE.
1571 (processor_target_table): Add entry for geode.
1572 (processor_alias_table): Ditto.
1574 * config/i386/geode.md: New file.
1576 * doc/invoke.texi: Add entry about geode processor.
1578 2006-10-27 Mike Stump <mrs@apple.com>
1580 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1581 __DYNAMIC__ from here back to ...
1582 * config/darwin.h (CPP_SPEC): ... here.
1584 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1585 Nathan Sidwell <nathan@codesourcery.com>
1587 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1588 when choosing the minimum heapsize.
1590 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1592 * gcc/unwind-dw2.h: Move cfa-related variables into
1593 struct frame_state_reg_info to ensure that the CFA is properly
1594 handled when executing DW_CFA_{remember,restore}_state.
1595 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1596 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1597 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1598 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1599 gcc/config/rs6000/linux-unwind.h,
1600 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1601 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1602 Modify to use new cfa_* fields.
1604 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1606 * config/s390/s390.c (s390_init_frame_layout): Check positive
1609 2006-10-26 Ben Elliston <bje@au.ibm.com>
1611 * gimplify.c (get_name): Remove extraneous break.
1612 (gimplify_omp_for): Initialise ret with GS_OK.
1614 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1616 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1617 Add unix98.o to link line.
1619 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1623 Calculate compile-time constants using MPFR.
1624 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1625 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1627 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1629 * config/xtensa/lib2funcs.S: Use C-style comments.
1631 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1633 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1634 (file_table_relative_p): Likewise.
1635 (dwarf2out_finish): Likewise.
1636 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1638 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1640 * tree-ssa-structalias.c (intra_create_variable_infos):
1641 Don't recreate nonlocal_all if it already exists.
1643 2006-10-25 Richard Guenther <rguenther@suse.de>
1646 * optabs.h (enum optab_index): Remove OTI_lrint.
1647 (enum convert_optab_index): Add COI_lrint.
1648 (lrint_optab): Adjust.
1649 (expand_sfix_optab): Declare.
1650 * optabs.c (expand_sfix_optab): New function.
1651 (init_optabs): Init lrint_optab as conversion optab.
1652 * genopinit.c (lrint_optab): Change to a conversion optab.
1653 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1654 expansion via conversion optab.
1655 * config/i386/i386.md (*fistdi2_1): Remove
1656 flag_unsafe_math_optimizations guard.
1657 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1658 fist<mode>2_with_temp): Likewise.
1659 (lrint<mode>2): Split into...
1660 (lrintxf<mode>2): ... x87 part
1661 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1662 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1663 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1664 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1665 * doc/md.texi (lrintMN2): Document.
1667 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1670 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1671 Use inc and dec instructions for TARGET_USE_INCDEC.
1672 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1673 ("sync_double_compare_and_swap<mode>"): Likewise.
1674 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1675 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1676 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1677 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1678 ("sync_old_add<mode>"): Likewise.
1679 ("sync_lock_test_and_set<mode>"): Likewise.
1680 ("sync_lock_test_and_set<mode>"): Likewise.
1681 ("sync_add<mode>"): Likewise.
1682 ("sync_sub<mode>"): Likewise.
1683 ("sync_ior<mode>"): Likewise.
1684 ("sync_and<mode>"): Likewise.
1685 ("sync_xor<mode>"): Likewise.
1687 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1689 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1690 (remainder_optab): Define corresponding macro.
1691 (drem_optab): Remove.
1692 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1693 drem_optab initialization.
1694 * genopinit.c (optabs): Implement remainder_optab using
1695 remainder?f3 patterns. Remove drem_optab.
1696 * builtins.c (expand_builtin_mathfn_2): Handle
1697 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1698 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1699 expand_builtin_mathfn_2.
1701 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1702 depend on flag_unsafe_math_optimizations.
1704 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1705 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1706 Do not depend on flag_unsafe_math_optimizations. Use
1707 truncxf?f expander instead of truncxf?f_i387_noop.
1709 ("fpremxf4", "fprem1xf4"): Do not depend on
1710 flag_unsafe_math_optimizations.
1711 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1712 flag_unsafe_math_optimizations. Use truncxf?f expander
1713 instead of truncxf?f_i387_noop.
1715 * doc/md.texi (fmod, remainder): Document standard named pattern.
1717 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1718 David Daney <ddaney@avtrex.com>
1721 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1723 2006-10-25 Ben Elliston <bje@au.ibm.com>
1725 * doc/extend.texi (Variable Attributes): Typo fix.
1727 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1729 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1730 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1731 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1732 (FRAME_POINTER_REGNUM): Update register number to 21.
1733 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1734 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1736 * config/i386/i386.c (regclass_map): Add fpcr entry.
1737 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1739 (print_reg): Assert REGNO (x) != FPCR_REG.
1741 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1742 (DIRFLAG_REG): Renumber.
1743 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1744 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1745 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1746 hardcoded SSE register numbers.
1748 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1749 hardcoded MMX register numbers.
1751 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1755 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1757 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1758 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1759 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1760 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1762 2006-10-24 Richard Guenther <rguenther@suse.de>
1765 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1766 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1767 for deciding optimizations in consistency with fold-const.c
1768 (fold_builtin_unordered_cmp): Likewise.
1770 2006-10-24 Richard Guenther <rguenther@suse.de>
1772 * builtins.c (fold_builtin_floor): Fold floor (x) where
1773 x is nonnegative to trunc (x).
1774 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1775 nonnegative to FIX_TRUNC_EXPR.
1777 2006-10-24 Richard Guenther <rguenther@suse.de>
1779 PR tree-optimization/29567
1780 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1781 for TRUTH_NOT_EXPR. Clarify comments.
1783 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1786 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1787 at compile-time using MPFR. Change parameter VALUE to FUNC,
1789 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1790 for overflow and underflow at all times and avoid folding in
1793 2006-10-24 Ben Elliston <bje@au.ibm.com>
1795 * reload1.c: Formatting fixes.
1797 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1799 PR tree-optimization/14784
1800 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1801 * tree-ssa-structalias.c (get_constraint_for,
1802 intra_create_variable_infos): Set is_heapvar.
1803 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1804 non-heapvar pointer variables specially.
1806 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1809 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1810 fold_builtin_tan): Fold all constant arguments. Take a "type"
1811 argument as necessary.
1812 (do_mpfr_arg1): New.
1813 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1815 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1817 * config/xtensa/lib1funcs.asm: Use C-style comments.
1819 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1821 * tree.c (local_define_builtin): Replace calls to
1822 lang_hooks.builtin_function with add_builtin_function.
1823 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1825 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1827 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1828 common code to add_builtin_function.
1829 * langhooks.c (add_builtin_function): New function.
1830 (lhd_builtin_function): New function.
1831 * langhooks.h (struct lang_hooks): Change the signature of
1833 (add_builtin_function): New function.
1834 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1835 calls to lang_hooks.builtin_function with add_builtin_function.
1836 * c-common.c (decl_builtin_1): Replace calls to
1837 lang_hooks.builtin_function with add_builtin_function.
1838 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1839 lang_hooks.builtin_function with add_builtin_function.
1840 * config/frv/frv.c (def_builtin): Replace calls to
1841 lang_hooks.builtin_function with add_builtin_function.
1842 * config/s390/s390.c (s390_init_builtins): Replace calls to
1843 lang_hooks.builtin_function with add_builtin_function.
1844 * config/sparc/sparc.c (def_builtin): Replace calls to
1845 lang_hooks.builtin_function with add_builtin_function.
1846 * config/i386/i386.c (def_builtin): Replace calls to
1847 lang_hooks.builtin_function with add_builtin_function.
1848 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1849 lang_hooks.builtin_function with add_builtin_function.
1850 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1851 lang_hooks.builtin_function with add_builtin_function.
1852 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1853 Replace calls to lang_hooks.builtin_function with
1854 add_builtin_function.
1855 * config/iq2000/iq2000.c (def_builtin):
1856 Replace calls to lang_hooks.builtin_function with
1857 add_builtin_function.
1858 * config/ia64/ia64.c (def_builtin): Replace calls to
1859 lang_hooks.builtin_function with add_builtin_function.
1860 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1861 lang_hooks.builtin_function with add_builtin_function.
1862 (altivec_init_builtins): Replace calls to
1863 lang_hooks.builtin_function with add_builtin_function.
1864 * config/arm/arm.c (def_mbuiltin): Replace calls to
1865 lang_hooks.builtin_function with add_builtin_function.
1866 (arm_init_tls_builtins): Replace calls to
1867 lang_hooks.builtin_function with add_builtin_function.
1868 * config/mips/mips.c (mips_init_builtins): Replace calls to
1869 lang_hooks.builtin_function with add_builtin_function.
1870 * config/bfin/bfin.c (def_builtin): Replace calls to
1871 lang_hooks.builtin_function with add_builtin_function.
1872 * langhooks-def.h (lhd_builtin_function): New function.
1873 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1875 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1877 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1878 BUILT_IN_STRNCAT_CHK.
1880 2006-10-23 Jan Hubicka <jh@suse.cz>
1882 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1883 don't do conversion from memmove to memcpy here.
1884 (expand_builtin_bcopy, expand_builtin): Update call of
1885 expand_builtin_memmove.
1886 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1888 2006-10-23 Paul Brook <paul@codesourcery.com>
1890 * stor-layout.c (start_record_layout): maximum_field_alignment
1891 overrides STRUCTURE_SIZE_BOUNDARY.
1893 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1895 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1896 nonlocal function symbols if flag_pic.
1898 2006-10-23 Richard Guenther <rguenther@suse.de>
1902 * builtins.c (fold_binary): Remove checks for flag_wrapv
1903 and flag_trapv where negate_expr_p covers these cases.
1905 2006-10-23 Richard Guenther <rguenther@suse.de>
1908 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1909 of two on the absolute value.
1910 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1911 and negating -C does not overflow.
1913 2006-10-23 Richard Guenther <rguenther@suse.de>
1916 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1917 only if not flag_rounding_math.
1919 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1920 Kaz Kojima <kkojima@gcc.gnu.org>
1923 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1924 SImode memory reference for the source of a movua.
1925 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1926 (movua): Use an unspec instead of sign_extract. Expect the source
1927 to have mode BLKmode.
1928 (extv, insv): Use a BLKmode rather than SImode memory reference
1929 for the source of a movua.
1931 2006-10-22 Jeff Law <law@redhat.com>
1932 Richard Guenther <rguenther@suse.de>
1934 PR tree-optimization/15911
1935 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1936 (register_edge_assert_for_1): Likewise.
1937 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1938 (find_conditional_asserts): Adjust for new function signature.
1939 (find_assert_locations): Likewise.
1941 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1943 * config/i386/tmmintrin.h: Remove the duplicated content.
1945 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1947 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1948 (x86_64-*-*): Likewise.
1950 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1951 (override_options): Check SSSE3.
1952 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1953 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1954 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1955 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1956 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1957 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1958 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1959 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1960 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1961 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1962 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1963 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1964 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1965 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1966 IX86_BUILTIN_PABSD128.
1967 (bdesc_2arg): Add SSSE3.
1968 (bdesc_1arg): Likewise.
1969 (ix86_init_mmx_sse_builtins): Support SSSE3.
1970 (ix86_expand_builtin): Likewise.
1971 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1973 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1974 (UNSPEC_PSIGN): Likewise.
1975 (UNSPEC_PALIGNR): Likewise.
1976 Include mmx.md before sse.md.
1978 * config/i386/i386.opt: Add -mssse3.
1980 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1981 (ssse3_phaddwv4hi3): Likewise.
1982 (ssse3_phadddv4si3): Likewise.
1983 (ssse3_phadddv2si3): Likewise.
1984 (ssse3_phaddswv8hi3): Likewise.
1985 (ssse3_phaddswv4hi3): Likewise.
1986 (ssse3_phsubwv8hi3): Likewise.
1987 (ssse3_phsubwv4hi3): Likewise.
1988 (ssse3_phsubdv4si3): Likewise.
1989 (ssse3_phsubdv2si3): Likewise.
1990 (ssse3_phsubswv8hi3): Likewise.
1991 (ssse3_phsubswv4hi3): Likewise.
1992 (ssse3_pmaddubswv8hi3): Likewise.
1993 (ssse3_pmaddubswv4hi3): Likewise.
1994 (ssse3_pmulhrswv8hi3): Likewise.
1995 (ssse3_pmulhrswv4hi3): Likewise.
1996 (ssse3_pshufbv16qi3): Likewise.
1997 (ssse3_pshufbv8qi3): Likewise.
1998 (ssse3_psign<mode>3): Likewise.
1999 (ssse3_psign<mode>3): Likewise.
2000 (ssse3_palignrti): Likewise.
2001 (ssse3_palignrdi): Likewise.
2002 (abs<mode>2): Likewise.
2003 (abs<mode>2): Likewise.
2005 * config/i386/tmmintrin.h: New file.
2007 * doc/extend.texi: Document SSSE3 built-in functions.
2009 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2011 2006-10-22 Ira Rosen <irar@il.ibm.com>
2013 * tree-vect-transform.c (vectorizable_load): Use the type of the
2014 return value of the mask_for_load builtin to create realign_load
2017 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2019 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2022 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2024 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2025 (UNSPEC_LDDQU): This.
2026 * config/i386/sse.md (sse3_lddqu): Updated.
2028 2006-10-21 Richard Guenther <rguenther@suse.de>
2030 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2031 (expand_builtin): Use it to expand lrint instead of
2032 expand_builtin_mathfn.
2034 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2037 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2038 flag_unsafe_math_optimizations is set.
2040 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2043 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2044 patterns to use memory input operand in x87->mem->XMM
2045 reload sequences. Skip transformation for TARGET_K8.
2047 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2049 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2050 force operand1 to register if both operands are memory operands.
2051 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2052 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2053 if both operands are memory operands.
2054 (truncdfsf2): Do not force operand1 to register if both operands
2055 are memory operands.
2057 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2059 * Makefile.in (LIBS): Add $(GMPLIBS).
2060 * doc/install.texi: Update GMP and MPFR requirements.
2061 * doc/sourcebuild.texi (need_gmp): Delete.
2063 2006-10-21 Richard Guenther <rguenther@suse.de>
2065 PR tree-optimization/3511
2066 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2067 got new invariant arguments during PHI translation.
2069 2006-10-21 Richard Guenther <rguenther@suse.de>
2072 * fold-const.c (fold_comparison): Fold signed comparisons
2073 of the form X +- C1 CMP Y +- C2.
2075 2006-10-21 Richard Guenther <rguenther@suse.de>
2078 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2079 if flag_unsafe_math_optimizations is specified. We have
2080 flag_finite_math_only for that.
2081 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2082 or flag_unsafe_math_optimizations.
2084 2006-10-21 Richard Guenther <rguenther@suse.de>
2086 * builtins.c (fold_builtin_classify): Fix typo.
2088 2006-10-21 Richard Guenther <rguenther@suse.de>
2091 * simplify-rtx.c (simplify_const_relational_operation):
2092 Do not constant-fold ORDERED and UNORDERED for
2093 flag_unsafe_math_optimizations but only we do not need to
2094 honor NaNs for the given mode.
2096 2006-10-21 Richard Guenther <rguenther@suse.de>
2099 * config/i386/i386.c (classify_argument): Remove redundant
2100 walking of the BINFOs.
2101 (contains_128bit_aligned_vector_p): Likewise.
2103 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2105 * BASE-VER: Set to 4.3.0.
2107 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2109 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2110 (tree_decl_with_vis): Remove artificial_pta_var flag.
2111 * tree-flow.h (referenced_var_check_and_insert): Expose.
2112 (nonlocal_all): New prototype.
2113 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2114 (nonlocal_all): Make global.
2115 (nonlocal_lookup): Remove.
2116 (nonlocal_insert): Ditto.
2117 (create_nonlocal_var): Do not call nonlocal_insert.
2118 (get_nonlocal_id_for_type): Remove.
2119 (find_global_initializers): Mark new vars we find for renaming.
2120 (intra_create_variable_infos): Only create one nonlocal.
2121 (expand_nonlocal_solutions): Remove.
2122 (compute_points_to_sets): Don't call it.
2123 (ipa_pta_execute): Ditto.
2124 (init_alias_heapvars): Don't create nonlocal_for_type.
2125 (delete_alias_heapvars): Don't remove it.
2126 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2129 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2131 * doc/install.texi (Downloading GCC): Clarify mention of
2132 Fortran in the "full distribution" description.
2134 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2136 Fix PR tree-optimization/28778
2137 Fix PR tree-optimization/29156
2138 Fix PR tree-optimization/29415
2139 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2140 (tree_decl_with_vis): Add artificial_pta_var flag.
2141 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2142 pushed into callers.
2143 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2144 (nonlocal_all): Ditto.
2145 (struct variable_info): Add directly_dereferenced member.
2146 (var_escaped_vars): New variable.
2147 (escaped_vars_tree): Ditto.
2148 (escaped_vars_id): Ditto.
2149 (nonlocal_vars_id): Ditto.
2150 (new_var_info): Set directly_dereferenced.
2151 (graph_size): New variable
2152 (build_constraint_graph): Use graph_size.
2153 (solve_graph): Don't process constraints that cannot change the
2154 solution, don't try to propagate an empty solution to our
2156 (process_constraint): Set directly_dereferenced.
2157 (could_have_pointers): New function.
2158 (get_constraint_for_component_ref): Don't process STRING_CST.
2159 (nonlocal_lookup): New function.
2160 (nonlocal_insert): Ditto.
2161 (create_nonlocal_var): Ditto.
2162 (get_nonlocal_id_for_type): Ditto.
2163 (get_constraint_for): Allow results vector to be empty in the case
2164 of string constants.
2165 Handle results of calls properly.
2166 (update_alias_info): Update alias info stats on number and type of
2168 (find_func_aliases): Use could_have_pointers.
2169 (make_constraint_from_escaped): Renamed from
2170 make_constraint_to_anything, and changed to make constraints from
2172 (make_constraint_to_escaped): New function.
2173 (find_global_initializers): Ditto.
2174 (create_variable_info_for): Make constraint from escaped to any
2175 global variable, and from any global variable to the set of
2177 (intra_create_variable_infos): Deal with escaped instead of
2178 pointing to anything.
2179 (set_uids_in_ptset): Do type pruning on directly dereferenced
2181 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2182 (init_base_vars): Fix comment, and initialize escaped_vars.
2183 (need_to_solve): Removed.
2184 (find_escape_constraints): New function.
2185 (expand_nonlocal_solutions): Ditto.
2186 (compute_points_to_sets): Call find_escape_constraints and
2187 expand_nonlocal_solutions.
2188 (delete_points_to_sets): Don't fall off the end of the graph.
2189 (init_alias_heapvars): Initialize nonlocal_for_type and
2191 (delete_alias_heapvars): Free nonlocal_for_type and null out
2194 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2196 * fold-const.c (add_double): Rename to add_double_with_sign.
2197 Add 'unsigned_p' parameter and take it into account for the overflow.
2198 (mul_double): Rename to mul_double_with_sign.
2199 Add 'unsigned_p' parameter and take it into account for the overflow.
2200 (fold_div_compare): Call add_double_with_sign instead of add_double
2201 and mul_double_with_sign instead of mul_double, passing them the
2202 unsignedness of the type.
2203 * tree.h (add_double): Macroize.
2204 (add_double_with_sign): New prototype.
2205 (mul_double): Macroize.
2206 (mul_double_with_sign): New prototype.
2208 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2210 * config/score/crti.asm: New file.
2211 * config/score/crtn.asm: New file.
2212 * config/score/elf.h: New file.
2213 * config/score/mac.md: New file.
2214 * config/score/misc.md: New file.
2215 * config/score/mul-div.S: New file.
2216 * config/score/predicates.md: New file.
2217 * config/score/score7.md: New file.
2218 * config/score/score.c: New file.
2219 * config/score/score-conv.h: New file.
2220 * config/score/score.h: New file.
2221 * config/score/score.md: New file.
2222 * config/score/score-mdaux.c: New file.
2223 * config/score/score-mdaux.h: New file.
2224 * config/score/score-modes.def: New file.
2225 * config/score/score.opt: New file.
2226 * config/score/score-protos.h: New file.
2227 * config/score/score-version.h: New file.
2228 * config/score/t-score-elf: New file.
2229 * config.gcc: Add score*-*-* configurations(Update before).
2230 * doc/invoke.texi (Score Options): New section.
2231 * doc/md.texi (Score family): New section to document constraints.
2233 2006-10-19 Nick Clifton <nickc@redhat.com>
2235 * config/arm/arm.c: Fix spelling typo.
2237 2006-10-18 Tom Tromey <tromey@redhat.com>
2239 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2241 2006-10-18 Jan Hubicka <jh@suse.cz>
2244 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2247 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2249 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2250 TSI_SAME_STMT, since that's the desired entity.
2252 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2254 * config/s390/contraints.md: New file.
2255 * config/s390/s390-protos.h (s390_mem_constraint,
2256 s390_O_constraint_str, s390_N_constraint_str,
2257 s390_float_const_zero_p): Function prototypes added.
2258 * config/s390/s390.c (s390_extra_constraint_str,
2259 s390_const_double_ok_for_constraint_p,
2260 s390_const_ok_for_constraint_p): Functions removed.
2261 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2262 s390_float_const_zero_p): New functions.
2263 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2264 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2265 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2266 Macro definitions removed.
2267 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2268 s390_extra_constraint_str): Functions removed.
2270 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2271 Richard Sandiford <richard@codesourcery.com>
2274 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2275 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2277 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2279 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2280 (DWARF2_FRAME_REG_OUT): Likewise.
2281 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2282 (DWARF2_FRAME_REG_OUT): Likewise.
2284 2006-10-17 Paul Brook <paul@codesourcery.com>
2286 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2288 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2290 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2291 Standardize on "GNU Fortran" as the official name of the Fortran
2294 2006-10-16 Mike Stump <mrs@apple.com>
2296 * doc/invoke.texi (Darwin Options): Document -mkernel.
2297 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2299 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2300 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2301 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2302 (OS_MISSING_ALTIVEC): Add.
2303 * config/i386/i386.c (override_options): Add
2304 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2305 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2306 -mkernel, -static or -mdynamic-no-pic is given.
2307 (C_COMMON_OVERRIDE_OPTIONS): Add.
2308 * config/darwin.opt (fapple-kext): Add.
2310 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2311 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2313 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2314 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2315 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2316 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2317 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2318 (flag_mkernel): Add.
2319 (flag_apple_kext): Add.
2320 (TARGET_KEXTABI): Add.
2321 * config/darwin.c (darwin_handle_kext_attribute): Add.
2322 (DARWIN_VTABLE_P): Add.
2323 (darwin_binds_local_p): Add partial support for rebinding vtables
2325 (darwin_kextabi_p): Add.
2326 (darwin_override_options): Add.
2327 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2328 (darwin_kextabi_p): Add.
2329 (darwin_override_options): Add.
2330 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2331 __DYNAMIC__ and __STATIC__ here.
2333 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2335 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2336 Added mention of "make pdf" target, and Texinfo requirements for
2339 2006-10-16 DJ Delorie <dj@redhat.com>
2341 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2342 into the GOT in case we need a subreg of the address.
2344 2006-10-16 Richard Guenther <rguenther@suse.de>
2347 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2348 SSE builtin documentation. Document SSE2 builtins.
2350 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2352 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2353 symbol in the output file for non-shared links when -nostdlib or
2354 -nodefaultlibs isn't specified.
2356 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2357 posix thread support.
2359 2006-10-15 Jan Hubicka <jh@suse.cz>
2362 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2363 declared always_inline even when not inlining.
2365 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2366 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2367 Andrew Pinski <pinskia@gmail.com>
2370 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2372 2006-10-15 Jan Hubicka <jh@suse.cz>
2373 Richard Guenther <rguenther@suse.de>
2376 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2377 process_function_and_variable_attributes on all variables, including
2378 those discovered during cgraph construction phase.
2380 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2382 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2384 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2386 * config/i386/athlon.md (athlon_fist): Add fisttp.
2388 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2389 Ian Lance Taylor <ian@airs.com>
2392 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2393 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2396 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2398 * config/score/score.c, config/score/score.h: Fix comment
2401 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2404 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2407 2006-10-13 Eric Christopher <echristo@apple.com>
2409 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2411 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2414 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2415 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2416 alignment supported by 32-bit ELF.
2418 2006-10-13 Eric Christopher <echristo@apple.com>
2420 * config/darwin.c (darwin_emit_unwind_label): Strip
2421 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2423 2006-10-13 Richard Guenther <rguenther@suse.de>
2425 PR tree-optimization/29446
2426 * tree-vrp.c (fix_equivalence_set): Remove.
2427 (extract_range_from_assert): Do not call fix_equivalence_set.
2428 (debug_value_range): Print a newline.
2429 (compare_name_with_value): For equivalence sets with
2430 inconsistent value ranges conservatively bail out.
2431 (compare_names): Likewise.
2433 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2435 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2436 and MPFR for gfortran.
2438 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2440 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2441 alignment supported by 32-bit ELF.
2443 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2447 * c-typeck.c (digest_init): Always allow initializing vectors
2448 that have static storage duration with compound literals.
2449 * tree.c (build_type_attribute_qual_variant): New, based on
2450 build_type_attribute_variant.
2451 (build_type_attribute_variant): Rewrite using the former.
2452 (make_vector_type): Use build_type_attribute_qual_variant to build
2453 type variants. Use type_hash_canon on the others.
2455 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2456 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2458 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2460 2006-10-12 Jan Hubicka <jh@suse.cz>
2463 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2464 current_function_decl is set but current_function_scope is not.
2466 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2468 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2469 emit_insn to emit eh_return_internal instruction.
2470 (eh_return_internal): Explicitly set pc.
2472 2006-10-11 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/28230
2475 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2476 to the correct place.
2478 2006-10-11 Richard Guenther <rguenther@suse.de>
2481 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2484 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2486 * configure.ac: Added pdf to "Make-hooks"
2487 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2488 targets and *.pdf file patterns in cleanup targets.
2489 * configure: Regenerated.
2491 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2493 * config/avr/predicates.md: New file.
2494 * config/avr/avr.md: Include it.
2495 (REG_SP): New constant.
2496 (peepholes): Use predicates.
2497 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2498 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2499 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2501 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2503 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2506 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2509 * builtins.c (var_decl_component_p): New function.
2510 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2511 single entry optimization to variables and components thereof.
2513 2006-10-10 Richard Guenther <rguenther@suse.de>
2515 PR rtl-optimization/29323
2516 * except.c (set_nothrow_function_flags): For functions
2517 that do not bind local bail out early.
2519 2006-10-10 Ben Elliston <bje@au.ibm.com>
2521 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2524 2006-10-09 Richard Henderson <rth@redhat.com>
2526 Revert emutls patch.
2528 2006-10-09 Richard Guenther <rguenther@suse.de>
2531 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2534 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2537 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2538 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2539 * configure: Regenerate.
2540 * config.in: Regenerate.
2542 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2544 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2546 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2548 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2549 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2550 Remove stray newline.
2552 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2554 * config/mips/mips.c (mips_classify_symbol): Do not return
2555 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2556 (mips_in_small_data_p): Tweak comments.
2558 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2560 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2562 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2564 * gimplify.c, sched-int.h: Fix comment typos.
2566 * sched-int.h: Fix comment typos.
2568 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2570 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2572 * sched-ebb.c (begin_schedule_ready): Use them.
2573 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2574 add_to_speculative_block, create_check_block_twin, speculate_insn,
2575 fix_jump_move, move_block_after_check): Ditto.
2576 * sched-rgn.c (new_ready): Ditto.
2578 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2580 PR rtl-optimization/29128
2581 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2582 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2583 allow interblock movement of speculation checks.
2585 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2588 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2589 casted to integer type.
2590 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2591 if they are significantly more expensive than [reg + index] ones.
2593 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2595 PR tree-optimization/29330
2596 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2597 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2598 on newly allocated ddrs.
2599 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2600 to VEC (loop_p, heap) pointer.
2601 (compute_data_dependences_for_loop): Adjust caller.
2602 (free_dependence_relations): Free DDR_LOOP_NEST.
2604 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2605 free DEPENDENCE_RELATIONS and DATAREFS.
2608 * builtins.c (expand_builtin_sync_operation,
2609 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2610 Use convert_to_mode to handle promoted arguments.
2612 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2614 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2616 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2618 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2620 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2622 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2623 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2624 Use <modeconstraint> instead of "r" as operand 1 constraint.
2626 2006-10-06 Olivier Hainque <hainque@adacore.com>
2628 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2629 Don't recurse on the pointed-to type.
2630 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2631 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2632 types with components of variable size.
2634 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2636 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2638 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2640 PR tree-optimization/29290
2641 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2645 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2646 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2649 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2650 the number of vector elements fill the rest with zeros.
2652 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2654 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2655 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2658 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2660 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2661 unnamed pattern into subsi3. Use correct constraints/predicates.
2662 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2663 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2665 2006-10-05 Ira Rosen <irar@il.ibm.com>
2667 * doc/loop.texi: Add data references analysis description.
2669 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2671 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2673 2006-10-04 Richard Henderson <rth@redhat.com>
2674 Jakub Jelinek <jakub@redhat.com>
2676 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2677 * builtin-types.def (BT_WORD): Make unsigned.
2678 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2679 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2680 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2681 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2682 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2683 * cgraph.c (decide_is_variable_needed): Look at force_output.
2684 Recurse for emulated tls.
2685 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2686 checks redundant with decide_is_variable_needed.
2687 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2688 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2690 * expr.c (emutls_var_address): New.
2691 (expand_expr_real_1): Expand emulated tls.
2692 (expand_expr_addr_expr_1): Likewise.
2693 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2694 * output.h (emutls_finish): Declare.
2695 * toplev.c (compile_file): Call it.
2696 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2697 address before wrapping in CONST.
2698 * varasm.c (emutls_htab, emutls_object_type): New.
2699 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2700 (get_emutls_object_name, get_emutls_object_type): New.
2701 (get_emutls_init_templ_addr, emutls_decl): New.
2702 (emutls_common_1, emutls_finish): New.
2703 (assemble_variable): When emulating tls, swap decls; generate
2704 constructor for the emutls objects.
2705 (do_assemble_alias): When emulating tls, swap decl and target name.
2706 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2708 * emutls.c: New file.
2709 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2710 tls_object for real tls.
2712 2006-10-04 Zack Weinberg <zackw@panix.com>
2714 Fix bug in constraint-check generator, reported by Rask Ingemann
2716 * genpreds.c (add_constraint): Don't remove anything from the
2718 (write_tm_constrs_h): Detect whether "op" argument is used, and
2719 mark it ARG_UNUSED if it isn't.
2720 (write_insn_const_int_ok_for_constraint): Skip the part of the
2721 expression that would test whether "op" (which is not available
2722 here) is a CONST_INT.
2724 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2727 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2729 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2731 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2732 current Leopard versions.
2733 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2735 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2737 * doc/install.texi: Fix typos.
2739 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2741 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2742 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2743 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2745 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2747 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2748 arg to be struct mach_header_64* instead.
2750 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2753 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2754 side effects after the outer expression's post side effects.
2756 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2758 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2759 comments to reflect actual behavior and relationship between
2760 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2762 * doc/c-tree.texi (Working with declarations): Fix documentation
2763 of FIELD_DECL likewise.
2765 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2768 * doc/extend.texi: Add used variable attribute description.
2770 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2773 * c.opt (Woverride-init): New.
2774 * c-opts.c (c_common_post_options): Default warn_override_init to
2776 * c-typeck.c (add_pending_init, output_init_element): Warn for
2777 overriding initializers without side effects.
2778 * doc/invoke.texi (-Woverride-init): Document.
2781 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2783 PR rtl-optimization/28096
2784 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2785 assignment has already been used as a destination earlier in the block.
2787 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2789 * builtins.c (expand_builtin_setjmp): Delete.
2790 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2791 <BUILT_IN_SETJMP_SETUP>: New case.
2792 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2793 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2794 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2795 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2796 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2797 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2798 (lower_function_body): Initialize it to false. If it is set to true
2799 at the end of the processing, emit the setjmp dispatcher.
2800 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2801 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2802 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2803 on the rhs of the assignment.
2804 (lower_builtin_setjmp): New function.
2805 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2806 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2807 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2808 to detect calls that can go to non-local labels. Use specific
2809 helper to create the abnormal edges associated with them.
2810 <MODIFY_EXPR>: Likewise.
2811 (make_abnormal_goto_edges): New function extracted from...
2812 (make_goto_expr_edges): ...here. Call it for computed gotos.
2813 (simple_goto_p): Minor tweak.
2814 (tree_can_make_abnormal_goto): New predicate.
2815 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2816 (tree_purge_dead_abnormal_call_edges): New function.
2817 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2818 (tree_purge_dead_abnormal_call_edges): Likewise.
2819 (make_abnormal_goto_edges): Likewise.
2820 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2821 Purge all dead abnormal edges if the call was in the last statement.
2822 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2823 (execute_fixup_cfg): If there are non-local labels in the function,
2824 scan the basic blocks and split them at calls that can go to non-local
2825 labels or add missing abnormal call edges. Write down the CFG in the
2827 (pass_fixup_cfg): Remove TODO_dump_func flag.
2828 * unwind-sjlj.c: Poison setjmp.
2829 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2830 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2831 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2832 (DONT_USE_BUILTIN_SETJMP): Document it.
2834 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2837 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2838 to 1 when __ppc64__ is defined.
2839 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2841 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2843 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2845 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2846 * config/ia64/unwind-hpux.c: Delete.
2848 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2850 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2851 on the element before gimplifying it, instead of punting if it is of
2854 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2856 * doc/loop.texi: New file.
2857 * doc/gccint.texi: Reference loop.texi.
2858 * Makefile.in (loop.texi): Add.
2860 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2862 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2864 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2865 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2867 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2869 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2871 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2873 * doc/install.texi: Document required versions of GMP and MPFR.
2875 2006-09-27 Paul Brook <paul@codesourcery.com>
2878 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2880 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2882 * reload1.c (alter_reg): Require the alignment of the stack slot to
2883 be at least reg_max_ref_width bytes.
2884 (scan_paradoxical_subregs): Record the largest width in
2887 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2891 * tree-nested.c (struct nesting_info): Added static_chain_added.
2892 (convert_call_expr): Set static_chain_added when adding static
2893 chain. Handle OMP_PARALLEL and OMP_SECTION.
2895 2006-09-25 Matthias Klose <doko@debian.org>
2897 * doc/invoke.texi: Add missing full stop.
2899 2006-09-25 Richard Henderson <rth@redhat.com>
2901 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2902 before cgraph_function_flags_ready.
2904 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2905 Adam Nemet <anemet@caviumnetworks.com>
2907 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2908 determine_common_wider_type): New functions.
2909 (get_computation_aff): Use them to simplify arithmetic between
2910 UBASE and CBASE if they are shortened from the same type.
2912 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2915 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2916 -2147483647 - 1 instead of 0x80000000.
2918 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2920 * flags.h (HONOR_NANS): Fix typo in comment.
2922 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2924 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2926 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2930 * tree.c (merge_attributes, attribute_list_contained): If both
2931 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2933 * c-typeck.c (comptypes_internal): Don't consider aggregates
2934 in different TUs as compatible if there one set of attributes is
2935 not a subset of the other type's attributes.
2936 (composite_type): Try harder not to create a new aggregate type.
2938 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2940 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2941 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2942 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2943 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2944 than replicating condition above.
2945 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2947 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2948 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2949 the linker by default.
2951 2006-09-22 Mike Stump <mrs@apple.com>
2953 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2956 2006-09-22 Richard Guenther <rguenther@suse.de>
2959 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2960 sort of stack variables stable.
2962 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2965 * explow.c (force_reg): Set REG_POINTER flag according to
2968 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2970 PR tree-optimization/28888
2971 * tree-if-conv.c (combine_blocks): Rewritten.
2972 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2973 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2975 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2977 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2980 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2982 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2984 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2986 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2988 2006-09-21 Roger Sayle <roger@eyesopen.com>
2991 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2992 dw_fde_current_label, to be the start of the function, i.e. the same
2993 value as dw_fde_begin.
2995 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2997 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2998 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2999 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3000 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3001 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3002 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3003 (abs<mode>2, neg<mode>2): Likewise.
3004 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3005 (*mips_abs_ps): New define_insn.
3007 2006-09-20 Josh Conner <jconner@apple.com>
3010 * calls.c (expand_call): Allow reuse of structure return stack
3013 2006-09-20 Paul Brook <paul@codesourcery.com>
3015 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3018 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3020 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3021 clean up terminology.
3023 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3026 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3027 with tablejumps in them.
3029 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3032 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3033 wrap it into TARGET_EXPR.
3035 2006-09-20 Eric Christopher <echristo@apple.com>
3037 * config/i386/i386.c (x86_fisttp): Remove.
3038 * config/i386/i386.h (x86_fisttp): Ditto.
3039 (TARGET_FISTTP): Ditto.
3041 2006-09-19 Eric Christopher <echristo@apple.com>
3043 * doc/tm.texi (OBJC_JBLEN): Describe.
3044 * config/i386/darwin.h (OBJC_JBLEN): Define.
3045 * config/rs6000/darwin.h: Ditto.
3047 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3049 PR rtl-optimization/21299
3050 * reload1.c (reload): Purge invalid ASMs in the final pass.
3052 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3055 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3056 pointers as legitimate constants.
3058 2006-09-19 Paul Brook <paul@codesourcery.com>
3061 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3063 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3065 PR tree-optimization/28887
3066 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3067 component parts from the reference.
3068 (gather_memory_references_ref): Record the reference without the
3069 nonaddressable component parts.
3071 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3074 * c-opts.c (c_common_handle_option): Ignore the -std options
3075 if the input language is assembly.
3077 2006-09-17 Ira Rosen <irar@il.ibm.com>
3080 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3082 (ptr_ptr_may_alias_p): Likewise.
3083 (record_record_differ_p): New function.
3084 (base_object_differ_p): Call record_record_differ_p.
3086 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3089 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3090 away for the expr argument.
3092 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3095 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3096 before using it for dumping after vectorizing loops.
3098 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3099 Jack Howarth <howarth@bromo.med.uc.edu>
3102 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3103 skip on error_mark_node.
3104 (rs6000_darwin64_record_arg_recurse): Likewise.
3106 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3108 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3109 * doc/rtl.texi: Remove related documentation.
3111 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3113 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3116 2006-09-15 Jim Wilson <wilson@specifix.com>
3118 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3119 Handle symbol offsets same as they are handled in ia64_expand_move
3122 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3124 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3125 Add forgotten parameter to the fprintf call.
3127 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3129 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3131 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3133 * doc/contrib.texi: Add my entry.
3135 2006-09-15 Nick Clifton <nickc@redhat.com>
3137 * doc/md.texi (Processor pipeline description): Fix typo in
3138 example of how to use the absence_set directive and reword the
3139 description to make it slightly easier to read.
3141 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3143 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3144 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3145 expanding the number of iterations.
3146 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3148 * cfgrtl.c (emit_insn_at_entry): New function.
3149 * rtl.h (emit_insn_at_entry): Declare it.
3150 * integrate.c (emit_initial_value_sets): Use it.
3152 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3154 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3156 (struct loop_work and related VEC declarations): Delete.
3157 (bfin_dump_loops): Print out new member bad.
3158 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3159 (bfin_scan_loop): Don't recurse.
3160 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3161 loops. No longer need to update outer loops if the current one is
3162 found bad. Move some validitiy checks to bfin_discover_loop.
3163 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3164 but changed not to check for nesting. Also changed to use the new bad
3166 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3167 time. Use bitmap based test to discover loop nesting.
3169 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3171 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3174 2006-09-14 Richard Guenther <rguenther@suse.de>
3175 Kazu Hirata <kazu@codesourcery.com>
3177 PR middle-end/28884.
3178 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3179 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3180 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3181 with TARGET_FUNCTION_VALUE.
3183 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3186 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3188 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3190 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3193 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3196 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3199 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3201 * basic_block.h (bb_has_eh_pred): Fix comment.
3203 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3205 * flow.c (calculate_global_regs_live): Invalidate eh registers
3206 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3207 (propagate_block): Handle eh registers as if they were set at basic
3209 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3211 * global.c (global_conflicts): Make eh registers to conflict with
3212 pseudos live at basic block begin.
3213 * basic_block.h (bb_has_eh_pred): New function.
3215 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3217 PR rtl-optimization/28982
3218 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3219 index of a PRE_MODIFY or POST_MODIFY address.
3220 * reload1.c (inc_for_reload): Use find_replacement on the original
3221 base and index registers.
3223 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3225 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3226 for -Os. Update __m128 alignment requirement.
3228 2006-09-13 Jan Hubicka <jh@suse.cz>
3230 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3232 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3234 PR rtl-optimization/28243
3235 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3236 the insn to which the note was originally attached.
3238 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3239 Roger Sayle <roger@eyesopen.com>
3241 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3242 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3243 on platforms that don't use dwarf for debug info.
3245 2006-09-12 Jason Merrill <jason@redhat.com>
3248 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3249 hard_frame_pointer_rtx after using it to update the frame pointer.
3251 2006-09-12 Roger Sayle <roger@eyesopen.com>
3253 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3254 (TARGET_ASM_CLOSE_PAREN): Likewise.
3255 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3256 (TARGET_ASM_CLOSE_PAREN): Likewise.
3258 2006-09-12 Roger Sayle <roger@eyesopen.com>
3261 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3262 frame information for frames larger than 512 Kbytes on Tru64 when
3263 using the native assembler.
3265 2006-09-12 Roger Sayle <roger@eyesopen.com>
3269 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3270 and symbols. Instead use the implementation from cse.c's hash_rtx.
3272 2006-09-12 Jan Hubicka <jh@suse.cz>
3274 PR rtl-optimization/28071
3275 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3276 (vect_transform_loop): Likewise.
3277 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3278 (new_loop_vec_info): Likewise.
3279 (destroy_loop_vec_info): Likewise.
3280 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3281 (create_stmt_ann): Likewise.
3282 (create_tree_ann): Rename to ...
3283 (create_tree_common_ann): ... this one; allocate only the common part
3285 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3286 (get_value_handle): Likewise.
3287 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3288 get_tree_common_ann.
3289 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3290 (vinfo_for_stmt): Use stmt annotations.
3291 * tree-flow.h (tree_ann_common_t): New type.
3292 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3293 (tree_ann, get_tree_ann, create_tree_ann): New.
3294 * tree-flow-inline.h (get_function_ann): Do more type checking.
3295 (stmt_ann): Likewise.
3296 (tree_ann): Rename to ...
3297 (tree_common_ann): ... this one; return ony common_ann
3298 (get_tree_ann): Rename to ...
3299 (tree_common_ann): This one; return only common_ann.
3300 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3303 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3305 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3306 with_cpu by default.
3308 * dwarf2out.c (dwarf_file_data): New.
3309 (enum dw_val_class): Add dw_val_class_file.
3310 (struct dw_val_struct): Add val_file.
3311 (file_table): Change to a hash table.
3312 (file_table_emitted): Delete.
3313 (file_table_last_lookup_index): Delete.
3314 (emitcount): Delete.
3315 (last_emitted_file): New.
3316 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3317 (init_file_table): Delete.
3318 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3319 (AT_addr): Add comment.
3323 (print_die): Handle dw_val_class_file.
3324 (print_dwarf_line_table): Update for new file table structure.
3325 (attr_checksum): Do checksum a filename.
3326 (same_dw_val_p, same_attr_p): Do compare a filename.
3327 (size_of_die): Handle dw_val_class_file.
3328 (value_format): Likewise.
3329 (output_die): Likewise. Also, call maybe_emit_file here.
3330 (struct file_info): Constify filenames. Make file_idx a pointer
3331 to a struct dwarf_file_data.
3332 (struct dir_info): Constify directory names. Remove 'used' field.
3333 (struct file_name_acquire_data): New.
3334 (file_name_acquire): New.
3335 (output_file_names): Modify to handle new file data structures.
3336 (add_src_coords_attributes): Use add_AT_file.
3337 (add_call_src_coords_attributes): Likewise.
3338 (dwarf2out_imported_module_or_decl): Likewise.
3339 (gen_subprogram_die): Modify for new file data structures.
3340 (gen_variable_die): Likewise.
3341 (file_table_eq): New.
3342 (file_table_hash): New.
3343 (file_table_last_lookup): New.
3344 (lookup_filename): Rewrite to handle new file data structures.
3345 (maybe_emit_file): Rewrite to handle new file data structures.
3346 (dwarf2out_source_line): Always call lookup_filename and
3348 (dwarf2out_init): Create file_table here.
3349 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3350 (file_table_relative_p): New.
3351 (dwarf2out_finish): Change detection of relative filenames
3352 to work with new file data structures. Move output_line_info call
3353 after debug_info output.
3355 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3360 * config/i386/i386.c (override_options): Always default to 16
3361 byte stack boundary.
3363 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3366 * var-tracking.c (dump_dataflow_set): Start dumping at
3368 (clobber_variable_part): Kill only the variable part in
3369 registers holding it, leaving other variables alone.
3371 2006-09-11 Josh Triplett <josh@freedesktop.org>
3373 * doc/extend.texi (Other Builtins): Actually use the macro
3374 argument in the documentation example for
3375 __builtin_types_compatible_p.
3377 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3379 PR rtl-optimization/28726
3380 * sched-deps.c (sched_analyze_reg): New function extracted from...
3381 (sched_analyze_1): ...here. Call it to analyze references to
3382 registers. Treat again writes to a stack register as writing to the
3384 (sched_analyze_2): ...and here. Call it to analyze references to
3385 registers. Treat again reads of a stack register as reading the
3388 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3389 David Edelsohn <edelsohn@gnu.org>
3392 * config/rs6000/spe.md (frob_df_di): Remove %H.
3393 (frob_di_df): Remove %H. Change evmergelo to mr.
3394 (frob_di_df_2): Remove %H. Change evldd to two loads.
3396 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3398 * doc/cpp.texi: Fix names of charset options.
3400 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3403 * config/i386/i386.c (override_options): Use 128-bit
3404 stack boundary always for 64bits.
3406 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3408 PR rtl-optimization/28636
3409 * combine.c (force_to_mode): Test for side-effects before
3410 substituting by zero.
3411 (simplify_shift_const): Likewise for zero or other constants.
3413 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3416 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3419 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3422 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3423 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3424 returned by mode_for_size, rather than the mode of src itself,
3425 to choose between 32-bit and 64-bit patterns.
3426 (mips_mem_fits_mode_p): New function.
3427 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3428 that the size of the source matches the size of the destination.
3429 (mov_<store>l, mov_<store>r): Likewise.
3431 2006-09-10 Eric Christopher <echristo@apple.com>
3433 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3436 2006-09-09 Eric Christopher <echristo@apple.com>
3439 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3442 2006-09-09 Roger Sayle <roger@eyesopen.com>
3443 Nicolas Setton <setton@adacore.com>
3445 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3447 2006-09-10 Andreas Schwab <schwab@suse.de>
3449 * config/m68k/m68k.md (bungt_rev): New pattern.
3451 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3452 Dale Johannesen <dalej@apple.com>
3455 * regclass.c (struct reg_pref): Update documentation.
3456 (regclass): Set prefclass to NO_REGS if memory is the best option.
3457 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3459 2006-09-08 Eric Christopher <echristo@apple.com>
3461 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3462 * config/t-slibgcc-darwin: Support x86_64 multilib.
3463 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3464 Return 1 for x86_64-darwin.
3465 * config/i386/t-darwin: Add m64 multilib.
3466 (LIB2_SIDITI_CONV_FUNCS): Use.
3467 (LIB2FUNCS_EXTRA): Ditto.
3468 * config/i386/darwin.h: Support x86_64.
3469 * config/i386/i386.c (override_options): Turn on flag_pic
3470 for x86_64-darwin. Disable flag_omit_pointer.
3471 (get_pc_thunk_name): Assert !TARGET_64BIT.
3472 (legitimate_address_p): Disable machopic addressing for
3474 (legitimize_pic_address): Ditto.
3475 (ix86_expand_move): Ditto.
3476 (ix86_expand_call): Ditto.
3477 (machopic_output_stub): Ditto.
3478 * config/darwin.c (machopic_select_section): Support literal16.
3479 (machopic_select_rtx_section): Ditto.
3480 * config/darwin-sections.def: Ditto.
3481 * config/darwin-64.c: New.
3483 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3486 * c-tree.h (struct c_arg_info): Add pending_sizes.
3487 * c-parser.c (c_parser_parms_declarator,
3488 c_parser_parms_list_declarator): Initialize pending_sizes.
3489 * c-decl.c (get_parm_info): Initialize pending_sizes.
3490 (get_parm_info): Set pending_sizes.
3491 (grokdeclarator): Call put_pending_sizes for parameters for
3492 function definition only.
3494 2006-09-07 Jason Merrill <jason@redhat.com>
3497 * varasm.c (output_constant): Only strip actual no-op conversions.
3500 * config/i386/i386.c (override_options): Use 128-bit
3501 stack boundary if -msse.
3503 2006-09-07 Eric Christopher <echristo@apple.com>
3505 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3507 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3510 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3512 * dwarf2out.c: Remove strange characters from comment above
3513 dwarf2out_frame_debug_expr.
3515 2006-09-07 Eric Christopher <echristo@apple.com>
3517 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3518 * config/darwin.h: ... to here.
3520 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3522 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3524 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3525 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3527 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3528 TARGET_PARTIAL_FLAG_REG_STALL.
3529 (*ashldi3_cconly_rex64): Likewise.
3530 (*ashlsi3_cmp): Likewise.
3531 (*ashlsi3_cconly): Likewise.
3532 (*ashlsi3_cmp_zext): Likewise.
3533 (*ashlhi3_cmp): Likewise.
3534 (*ashlhi3_cconly): Likewise.
3535 (*ashlqi3_cmp): Likewise.
3536 (*ashlqi3_cconly): Likewise.
3537 (*ashrdi3_cmp_rex64): Likewise.
3538 (*ashrdi3_cconly_rex64): Likewise.
3539 (*ashrsi3_cmp): Likewise.
3540 (*ashrsi3_cconly): Likewise.
3541 (*ashrsi3_cmp_zext): Likewise.
3542 (*ashrhi3_cmp): Likewise.
3543 (*ashrhi3_cconly): Likewise.
3544 (*ashrqi3_cmp): Likewise.
3545 (*ashrqi3_cconly): Likewise.
3546 (*lshrdi3_cmp_rex64): Likewise.
3547 (*lshrdi3_cconly_rex64): Likewise.
3548 (*lshrsi3_cmp): Likewise.
3549 (*lshrsi3_cconly): Likewise.
3550 (*lshrsi3_cmp_zext): Likewise.
3551 (*lshrhi3_cmp): Likewise.
3552 (*lshrhi3_cconly): Likewise.
3553 (*lshrqi2_cmp): Likewise.
3554 (*lshrqi2_cconly): Likewise.
3556 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3559 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3560 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3561 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3562 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3563 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3564 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3565 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3566 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3567 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3568 implement only CC setting effects of shift instructions.
3570 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3572 * doc/contrib.texi: Add myself.
3574 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3577 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3578 was set by the user.
3580 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3583 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3584 (divsi_inv_m1): Use them.
3585 (UNSPEC_DIV_INV_TABLE): New constant.
3587 2006-09-06 James E Wilson <wilson@specifix.com>
3590 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3591 then call count_or_remove_death_notes.
3593 2006-09-06 Jason Merrill <jason@redhat.com>
3596 * tree-inline.c (copy_result_decl_to_var): New fn.
3597 (declare_return_variable): Use it. Call declare_inline_vars here.
3598 (expand_call_inline): Not here.
3600 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3602 * doc/contrib.texi: Update my entry.
3604 2006-09-06 Nick Clifton <nickc@redhat.com>
3606 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3608 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3611 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3612 (canonicalize_induction_variables): Likewise.
3613 (tree_unroll_loops_completely): Likewise.
3614 (tree_ssa_prefetch_arrays): Likewise.
3615 (remove_empty_loops): Likewise.
3616 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3617 TODO_cleanup_cfg instead of directly calling
3618 cleanup_tree_cfg_loop.
3619 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3621 (tree_unroll_loops_completely): Likewise.
3622 (remove_empty_loops): Likewise.
3623 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3624 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3625 of tree_ssa_unswitch_loops.
3626 (tree_ssa_loop_ivcanon): Use the return value of
3627 canonicalize_induction_variables.
3628 (tree_ssa_empty_loop): Use the return value of
3630 (tree_complete_unroll): Use the return value of
3631 tree_unroll_loops_completely.
3632 (tree_ssa_loop_prefetch): Use the return value of
3633 tree_ssa_prefetch_arrays.
3634 * passes.c (execute_todo): Before Cleanup CFG, set
3635 updating_used_alone and after cleanup CFG, call
3636 recalculate_used_alone.
3638 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3641 * tree-vect-transform.c (vectorizable_condition): Move the check
3642 for the type after the check for simple condition.
3644 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3645 Kaz Kojima <kkojima@gcc.gnu.org>
3648 * mode-switching.c (optimize_mode_switching): Make the destination
3649 block of an abnormal edge have no anticipatable mode. Don't
3650 insert mode switching code at the end of the source block of
3653 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3655 PR rtl-optimization/26847
3656 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3657 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3658 (simplify_plus_minus): Count n_constants while filling ops. Replace
3659 qsort with insertion sort. Before going through the array to simplify
3660 pairs, sort it. Delay early exit until after the first sort, exiting
3661 only if no swaps occurred. Simplify pairs in reversed order, without
3662 special-casing the first iteration. Pack ops after simplifying pairs.
3664 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3666 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3667 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3668 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3669 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3671 2006-09-05 Richard Guenther <rguenther@suse.de>
3673 PR tree-optimization/28900
3674 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3675 compound conditional before creating COND_EXPR condition.
3677 2006-09-05 Richard Guenther <rguenther@suse.de>
3679 PR tree-optimization/28905
3680 * tree-vrp.c (fix_equivalence_set): Manually implement
3681 !value_ranges_intersect_p to also handle symbolic ranges.
3683 2006-09-05 Richard Guenther <rguenther@suse.de>
3686 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3689 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3691 PR rtl-optimization/27616
3692 * cse.c (table_size): New static variable.
3693 (new_basic_block): Initialize it to 0.
3694 (remove_from_table): Decrement it.
3695 (insert): Increment it.
3696 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3697 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3698 fold_rtx_mem_1 if under the cap.
3699 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3700 the lookup of the equivalent expression and test for equality of the
3701 first operand of the equivalent expression before in turn looking up
3702 an equivalent constant for the second operand.
3704 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3707 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3708 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3709 pointer, instead of assuming it is possible to derive the
3710 correct args size from a call insn.
3712 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3715 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3716 (fold_builtin_mempcpy): Rename to...
3717 (fold_builtin_memory_op): ... this. Optimize one element copy
3719 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3721 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3722 (expand_builtin_memcpy, expand_builtin_mempcpy,
3723 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3724 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3725 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3726 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3728 2006-09-01 DJ Delorie <dj@redhat.com>
3730 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3731 (stzx_16): Likewise.
3732 ("stzx_24_<mode>"): Likewise.
3733 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3734 ("cmp<mode>_op"): New.
3735 (cmp<mode>): Change to expander; just save operands.
3737 (b<code>): Change to expander, emit compare here.
3738 (s<code>_op): Change to use split and expander.
3739 (s<code>_24_op): Likewise.
3740 (s<code>_<mode>): New.
3741 (s<code>_<mode>_24): New.
3742 (movqicc_<code>_<mode): New.
3743 (movhicc_<code>_<mode>): New.
3746 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3747 (m32c_pend_compare): New.
3748 (m32c_unpend_compare): New.
3749 (m32c_expand_scc): New.
3750 (m32c_expand_movcc): Emit the compare also.
3751 * config/m32c/predicates.md (mra_nopp_operand): New.
3753 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3754 Richard Guenther <rguenther@suse.de>
3755 Adam Nemet <anemet@caviumnetworks.com>
3758 * builtins.c (get_pointer_alignment): Handle more forms
3759 of base addresses that can be used to derive more precise
3760 information about alignment.
3762 2006-09-01 Jason Merrill <jason@redhat.com>
3765 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3768 * gimplify.c (voidify_wrapper_expr): Handle null type.
3770 2006-09-01 Josh Conner <jconner@apple.com>
3773 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3774 (execute_return_slot_opt): Use it.
3776 2006-08-31 Josh Conner <jconner@apple.com>
3779 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3780 returning aggregates.
3782 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3784 PR tree-optimization/28839
3785 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3786 blocks in that phi arguments appear.
3788 2006-08-31 Roger Sayle <roger@eyesopen.com>
3791 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3792 NULL, otherwise use an advance_loc4 to adjust relative to the
3794 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3795 (dwarf2out_switch_text_section): Reset the current label to avoid
3796 using advance_loc4 over section boundaries.
3798 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3801 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3802 r12 + SYMBOLIC_CONST.
3804 2006-08-30 Richard Guenther <rguenther@suse.de>
3806 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3808 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3810 PR rtl-optimization/27735
3811 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3812 Add new argument to keep track of whether an irreducible region
3813 was affected. All callers changed.
3814 (fix_irreducible_loops): Removed.
3815 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3816 flags were invalidated.
3818 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3820 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3821 instead of SF operands.
3822 (*fop_df_comm_sse): Likewise.
3823 (*fop_df_comm_i387): Likewise.
3824 (*fop_df_1_mixed): Likewise.
3825 (*fop_df_1_sse): Likewise.
3827 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3828 J"orn Rennecke <joern.rennecke@st.com>
3830 PR tree-optimization/17506
3831 * tree-ssa.c (warn_uninit): If warning about a location outside of
3832 the current function, note where the variable was declared.
3834 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3836 PR tree-optimization/28411
3837 * double-int.c (double_int_div): Use double_int_divmod.
3838 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3839 double_int_mod, double_int_smod, double_int_umod): New functions.
3840 * double-int.h (double_int_divmod, double_int_sdivmod,
3841 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3843 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3845 (get_computation_aff, get_computation_cost_at): Handle double_int
3846 return type of constant_multiple_of.
3848 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3851 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3852 an implicit conversion.
3854 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3856 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3858 2006-08-27 Roger Sayle <roger@eyesopen.com>
3860 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3863 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3865 * config/i386/crtfastmath.c: Fix a comment typo.
3867 2006-08-26 Roger Sayle <roger@eyesopen.com>
3869 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3870 temporary visit flags on CASE_LABEL_EXPRs.
3871 * c-common.c (match_case_to_enum): Add function comment. Avoid
3872 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3873 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3874 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3875 a constant, only warn if that constant value isn't handled.
3877 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3880 * input.h (restore_input_file_stack): Declare.
3881 (INPUT_FILE_STACK_BITS): Define.
3882 * toplev.c (fs_p, input_file_stack_history,
3883 input_file_stack_restored, restore_input_file_stack): New.
3884 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3885 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3886 (pop_srcloc): Don't free old state of stack.
3888 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3891 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3892 (PowerPC Type Attributes): New.
3894 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3896 * config/xtensa/xtensa.c (function_arg_boundary): New.
3897 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3899 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3900 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3902 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3905 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3908 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3910 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3911 (verify_local_live_at_start): Likewise.
3913 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3916 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3917 omp_add_variable): Treat sizes as variable whenever not
3920 2006-08-26 Richard Guenther <rguenther@suse.de>
3923 * fold-const.c (fold_binary): Fold temporary to correct
3924 type before constructing new comparison.
3926 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3929 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3930 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3932 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3935 * c-decl.c (start_function): Don't try to process prototype
3936 information from old declaration that isn't a function.
3938 2006-08-25 Jan Hubicka <jh@suse.cz>
3941 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3943 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3946 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3949 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3951 PR tree-optimization/16876
3952 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3953 exit if PARM doesn't match VALUE.
3955 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3957 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3958 literal_prefix directive.
3959 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3960 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3961 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3963 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3966 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3967 predicate to general_operand. Add 0->y and I->r alternatives.
3969 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3971 * doc/tm.texi: Fix a typo.
3972 * predict.c: Fix comment typos.
3974 2006-08-25 Nick Clifton <nickc@redhat.com>
3976 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3977 assertions of "cpu" and "machine".
3979 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3982 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3983 the access through a base which has an alias set of 0 cannot
3986 2006-08-24 Bill Wendling <wendling@apple.com>
3988 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3990 2006-08-24 Jan Hubicka <jh@suse.cz>
3992 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3994 2006-08-24 Jan Hubicka <jh@suse.cz>
3997 * cgraph.c: Fix comments.
3998 (cgraph_varpool_mark_needed_node): Mark only variables not already
4000 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4001 (cgraph_varpool_assembled_nodes_queue): New static variable.
4002 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4003 (cgraph_varpool_output_debug_info): New function.
4004 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4005 * Makefile.in: Add gt-cgraphunit.h
4007 2006-08-24 Jan Hubicka <jh@suse.cz>
4009 * predict.c (probability_reliable_p): New predicate.
4010 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4011 (predict_loops): Do not predict loop exit with less than 2%
4013 * basic-block.h (edge_probability_reliable_p,
4014 br_prob_note_reliable_p): Declare.
4015 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4016 prediction when static predictor is not reliable.
4017 * rs6000.c (output_cbranch): Likewise.
4019 2006-08-23 Stuart Hastings <stuart@apple.com>
4022 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4023 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4025 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4028 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4029 complex values, nor for generic vector values.
4031 2006-08-22 Richard Guenther <rguenther@suse.de>
4034 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4035 parameter. Convert arguments to arithmetic expression to the
4037 (analyze_scalar_evolution_1): Adjust caller.
4039 2006-08-22 Jan Hubicka <jh@suse.cz>
4041 Patch by Paolo Bonzini
4042 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4045 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4047 PR tree-optimization/28003
4048 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4049 before grouping aliases.
4051 2006-08-22 Roger Sayle <roger@eyesopen.com>
4053 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4054 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4056 2006-08-21 Jason Merrill <jason@redhat.com>
4059 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4060 wrapper. Loop to handle nested wrappers.
4061 (gimplify_bind_expr): Remove temp parameter.
4062 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4063 and STATEMENT_LIST on the rhs.
4064 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4065 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4066 (gimplify_target_expr): Remove special BIND_EXPR handling.
4068 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4070 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4073 2006-08-21 Olivier Hainque <hainque@adacore.com>
4075 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4076 Arrange for the temporary captures of components overlapping the lhs
4077 to happen before the lhs is possibly cleared.
4079 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4081 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4082 necessary places to pass the correct "number of registers" values
4085 2006-08-20 Jan Hubicka <jh@suse.cz>
4087 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4088 (create_name_tags): Instead of quadratic checking use hashtable.
4089 * bitmap.h: Include hashtab.h.
4090 (bitmap_hash): Declare.
4091 * bitmap.c (bitmap_hash): New function.
4093 2006-08-20 Jan Hubicka <jh@suse.cz>
4095 PR rtl-optimization/28071
4096 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4098 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4099 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4100 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4101 cgraph_decide_inlining_incrementally): Update use of
4102 cgraph_check_inline_limits.
4103 * cgraph.c (edge_hash, edge_eq): New function.
4104 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4105 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4106 cgraph_remove_node): Maintain call site hash.
4107 * cgraph.h (struct cgraph_node): Add call_site_hash.
4108 (cgraph_set_call_stmt): New function.
4110 2006-08-20 Jan Hubicka <jh@suse.cz>
4112 PR rtl-optimization/28071
4113 * reload1.c (reg_has_output_reload): Turn into regset.
4114 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4115 choose_reload_regs, emit_reload_insns): Update to new
4116 reg_has_output_reload.
4118 2006-08-20 Jan Hubicka <jh@suse.cz>
4121 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4122 function body sizes.
4123 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4125 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4128 * tree.c (handle_dll_attribute): Return early if not a
4129 var or function decl.
4131 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4134 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4135 alignment of SPE vector types.
4137 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4139 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4141 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4144 * cgraph.h (struct cgraph_node): Remove externally_visible
4146 * cgraphunit.c (process_function_and_variable_attributes): Set
4147 local.externally_visible rather than externally_visible.
4150 * c-common.c (handle_externally_visible_attribute): First look
4151 at TREE_CODE and only if it is function or var decl, check for
4152 non-public objects. Don't warn for DECL_EXTERNAL.
4153 * cgraphunit.c (process_function_and_variable_attributes): Warn
4154 if externally_visible attribute is used on non-public object.
4156 2006-08-17 Jan Hubicka <jh@suse.cz>
4158 PR tree-optimization/27865
4159 * reload1.c (forget_marked_reloads): New function.
4160 (forget_old_reloads_1): When data are passed, just mark the registers
4162 (reload_as_needed): Use the new mechanizm.
4164 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4167 * reload.h (reg_equiv_alt_mem_list): New declaration.
4168 * reload1.c (reg_equiv_alt_mem_list): New definition.
4169 (reload): Initialize it and release it.
4170 (delete_output_reload): Use it.
4171 * reload.c (push_reg_equiv_alt_mem): New function.
4172 (find_reloads_toplev): Call it.
4173 (find_reloads_address, find_reloads_address_1): Likewise.
4174 (find_reloads_subreg_address): Likewise.
4176 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4178 PR rtl-optimization/28489
4179 * sched-ebb.c (begin_schedule_ready): Create basic block
4181 (advance_target_bb): Skip empty blocks.
4182 * haifa-sched.c (bb_note): Make global.
4183 * sched-int.h (bb_note): Add prototype.
4185 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4187 PR tree-optimization/27865
4188 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4190 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4191 fold_used_pointer, pointer_used_p): New functions.
4192 (analyze_scalar_evolution_1): Use fold_used_pointer.
4193 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4194 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4197 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4200 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4201 or the INTEGER_CST. Fail on a CALL_EXPR.
4202 (fold_offsetof): Pass new argument to fold_offsetof_1.
4203 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4204 operand into an INDIRECT_REF.
4205 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4207 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4209 PR gcov/profile/26570
4210 * value-prof.c (static_values): Removed.
4211 (tree_find_values_to_profile): Do not set static_values.
4212 (find_values_to_profile): Do not free static_values.
4213 * profile.c (instrument_values): Do not free the values.
4214 (branch_prob): Free the values.
4216 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4218 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4220 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4223 * c-typeck.c (build_component_ref): Combine qualifiers of
4224 structure or union and field.
4226 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4228 PR rtl-optimization/28071
4229 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4230 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4231 * tree-into-ssa.c (struct dom_dfsnum): New.
4232 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4234 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4235 compute_global_livein.
4236 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4237 in phi nodes in the correct blocks.
4239 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4241 PR tree-optimization/28364
4242 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4244 (fold_affine_expr): New function.
4245 (may_eliminate_iv): Use fold_affine_expr.
4247 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4250 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4253 2006-08-16 Mike Stump <mrs@apple.com>
4255 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4256 * doc/cppopts.texi (-MD): Likewise.
4258 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4261 * c-common.c (handle_weak_attribute): Ignore and warn if
4262 not a FUNCTION_ or VAR_DECL.
4264 2006-07-15 Mike Stump <mrs@apple.com>
4267 * c-parser.c (c_parser_typeof_specifier): Don't use
4268 c_finish_expr_stmt, open code desired semantics instead.
4270 2006-08-15 Nick Clifton <nickc@redhat.com>
4272 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4273 fragment to tmake_file only if threads are enabled.
4274 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4275 * config/i386/t-gthr-win32: New file. ... here.
4277 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4280 * c-parser.c (c_parser_compound_statement_nostart): Reset
4281 parser->error after each statement.
4283 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4286 * omp-low.c (lower_omp_parallel): Convert t to
4287 receiver_decl's type.
4288 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4289 source before comparison.
4292 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4293 to itype in assignment to oldival2.
4295 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4299 * c-typeck.c (build_compound_expr): If the second expression
4300 is an error mark, then just return an error mark instead of
4301 creating a COMPOUND_EXPR.
4303 2006-07-14 Mike Stump <mrs@apple.com>
4305 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4307 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4309 * c-decl.c, var-tracking.c: Fix comment typos.
4311 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4313 PR rtl-optimization/28634
4314 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4315 for floating-point modes unless flag_unsafe_math_optimizations.
4317 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4318 Andrew Pinski <pinskia@physics.uc.edu>
4321 * tree.c (build_array_type): Unify array types with
4322 unspecified index_type.
4323 * c-decl.c (grokdeclarator): Make sure we do not modify a
4324 unified incomplete array type.
4325 * c-typeck.c (store_init_value): Create distinct type before
4326 filling in the index type in an initializer from a compound
4329 * c-decl.c (grokdeclarator): Remove code where we copy the
4332 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4334 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4335 into account for TODO_dump_cgraph.
4336 (TODO_update_ssa_no_phi): Likewise.
4337 (TODO_update_ssa_full_phi): Likewise.
4338 (TODO_update_ssa_only_virtuals): Likewise.
4339 (TODO_remove_unused_locals): Likewise.
4340 (TODO_set_props): Likewise.
4341 (TODO_update_stmt_usage): Likewise.
4343 2006-08-13 Dirk Mueller <dmueller@suse.de>
4345 * c-common.c (strict_aliasing_warning): Fix formatting.
4347 2006-08-13 Matthias Klose <doko@debian.org>
4349 * doc/invoke.texi: Fix spelling errors.
4351 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4353 PR rtl-optimization/23454
4354 * reorg.c (relax_delay_slots): Update comment.
4356 2006-08-11 Richard Guenther <rguenther@suse.de>
4359 * simplify-rtx.c (simplify_const_relational_operation):
4360 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4363 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4365 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4366 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4368 2006-08-10 Paul Brook <paul@codesourcery.com>
4370 * final.c (final_scan_insn): Clear current_insn_predicate before
4371 outputting inline asm.
4373 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4375 PR tree-optimization/26197
4376 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4377 get_ref_base_and_extent and overlap_subvar to add only relevant
4378 subvars as may-aliases.
4379 (add_may_alias_for_new_tag): New function, factored out of
4381 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4382 with additional argument.
4383 * tree-flow.h (new_type_alias): Takes additional argument.
4385 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4387 * gcov.c (no_data_file): New flag.
4388 (read_count_file): Set it if data file not present. Assume counts
4390 (output_lines): Don't name the data file, if there wasn't one.
4392 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4394 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4395 (rs6000_generate_compare): Tweak comments.
4396 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4398 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4400 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4401 (var_debug_decl): New function.
4402 (var_reg_set): Follow debug decl link. Add location even if
4403 reg is already known to hold some other variable.
4404 (var_mem_set): Follow debug decl link.
4405 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4406 decl link. Delete other known locations of the variable part
4408 (var_reg_delete, var_mem_delete): Delete other known locations
4409 of the variable part if requested.
4410 (same_variable_part_p): New function.
4411 (add_stores): Select MO_COPY when appropriate.
4412 (vt_initialize): Handle it.
4413 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4414 known locations for MO_SET and MO_CLOBBER.
4415 (find_variable_location_part): New function.
4416 (set_variable_part, delete_variable_part): Use it.
4417 (clobber_variable_part): New function.
4418 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4421 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4423 PR tree-optimization/26969
4424 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4425 with an empty list of PHIs.
4427 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4431 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4434 2006-08-06 Andreas Schwab <schwab@suse.de>
4436 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4437 string. Whitespace and comment fixup.
4439 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4442 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4446 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4449 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4451 2006-08-04 Jan Hubicka <jh@suse.cz>
4455 * reload.c (push_reload): Patch out the mismatching instruction;
4457 (find_reload): Bail out if the instruction was patched out.
4459 2006-08-04 Jan Hubicka <jh@suse.cz>
4461 PR tree-optimization/24888
4462 * tree-inline.c (expand_call_inline): Do not re-record variables.
4463 (declare_inline_vars): Add variable to unexpanded_var_list.
4465 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4466 Roger Sayle <roger@eyesopen.com>
4468 PR rtl-optimization/26244
4469 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4470 inner_const are negative or greater than or equal to the bitsize of
4471 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4472 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4473 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4474 CONST0_RTX (mode) when the new shift count is greater than or equal to
4475 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4478 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4480 * tree-cfg.c: Fix a comment typo.
4482 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4485 * varasm.c (output_constant): Give the front end another chance to
4486 expand constants, after stripping NOPs.
4488 2006-08-03 Jan Hubicka <jh@suse.cz>
4490 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4493 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4495 PR tree-optimization/27770
4496 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4497 declaration removed (moved to tree-flow.h).
4498 (vect_can_force_dr_alignment_p): Likewise.
4499 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4500 (moved from tree-vectorizer.h).
4501 (vect_can_force_dr_alignment_p): Likewise.
4502 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4503 from outside the vectorizer - in particular from cgraph stage.
4504 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4505 the alignment of global arrays when -fsection-anchors is enabled.
4506 * cgraphunit.c (cgraph_increase_alignment): New function.
4507 (cgraph_optimize): Call cgraph_increase_alignment.
4509 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4512 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4513 not reload a SPE symbol_ref into a lo_sum address.
4515 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4518 * dwarf2out.c (prune_unused_types_prune): Move call to
4519 prune_unused_types_update_strings to cover the parent DIE also.
4521 2006-08-02 Jan Hubicka <jh@suse.cz>
4523 PR gcov/profile/28480
4524 * tree-cfg.c (change_bb_for_stmt): New function.
4525 (tree_merge_blocks, tree_split_blocks): Use it.
4527 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4533 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4534 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4535 (cgraph_optimize): Likewise.
4537 2006-08-01 Stuart Hastings <stuart@apple.com>
4539 * rtl.h (UINTVAL) New.
4540 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4541 * testsuite/gcc.dg/20060801-1.c: New.
4543 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4546 * c-typeck.c (build_external_type): Mark used enum types.
4547 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4549 (gen_subprogram_die): Whitespace fix.
4551 2006-08-01 Jan Hubicka <jh@suse.cz>
4553 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4554 bitmap when not needed.
4555 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4558 2006-08-01 Dirk Mueller <dmueller@suse.de>
4560 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4562 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4564 * Makefile.in: Revert part of previous patch:
4565 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4568 2006-07-30 Eric Christopher <echristo@apple.com>
4571 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4572 (PowerPC Variable Attributes): New section.
4574 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4576 PR target/28126 (partial fix)
4577 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4579 2006-07-28 Jan Hubicka <jh@suse.cz>
4581 PR rtl-optimization/28071
4582 * cfgrtl.c (rtl_delete_block): Free regsets.
4583 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4585 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4587 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4588 and variables used in dependencies.
4590 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4592 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4593 %fs for -mcmodel=kernel.
4594 (stack_tls_protect_test_di): Likewise.
4596 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4598 * Makefile.in: Use mkinstalldirs.
4600 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4603 * opts-common.c (prune_options): Skip joined switches.
4605 2006-07-27 Jan Hubicka <jh@suse.cz>
4607 PR rtl-optimization/28071
4608 * cselib.c (cselib_process_insn): Don't remove useless values too
4609 often for very large hashtables.
4611 2006-07-27 Jan Hubicka <jh@suse.cz>
4613 PR rtl-optimization/28071
4614 * global.c (greg_obstack): New obstack.
4615 (allocate_bb_info): Use it.
4616 (free_bb_info): Likewise.
4617 (modify_reg_pav): Likewise.
4619 2006-07-27 Roger Sayle <roger@eyesopen.com>
4621 * builtins.c (fold_fixed_mathfn): When long and long long are the
4622 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4623 functions to their lceil*, lfloor*, lround* and lrint* forms.
4625 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4628 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4630 (rev_branch_insn): Likewise.
4632 2006-07-27 Jan Hubicka <jh@suse.cz>
4634 PR rtl-optimization/28071
4635 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4636 (reg_set_in_bb, max_reg_computed): New static variables.
4637 (regmove_optimize): Free the new array.
4638 (fixup_match_1): Update call of reg_is_remote_constant_p.
4640 2006-07-26 Jan Hubicka <jh@suse.cz>
4642 PR tree-optimization/27882
4643 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4645 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4647 (cgraph_analyze_compilation_unit): Likewise.
4648 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4649 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4650 (cgraph_early_inlinine): Make order garbage collected.
4651 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4653 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4655 * dbxout.c (output_types_sort): Add a comment.
4656 (output_used_types): Free the VEC.
4658 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4660 * function.c (reorder_fix_fragments): Delete.
4661 (reorder_blocks): Don't call it.
4662 (reorder_blocks_1): Put all subblocks under the origin block.
4664 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4666 PR rtl-optimization/27907
4667 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4670 2006-07-25 Roger Sayle <roger@eyesopen.com>
4673 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4674 bar(x) check that bar's result type can represent all the values of T.
4676 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4678 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4680 2006-07-25 Nick Clifton <nickc@redhat.com>
4682 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4683 size_lookup[] array.
4684 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4685 (ggc_pch_count_object): Likewise.
4686 (ggc_pch_alloc_object): Likewise.
4687 (ggc_pch_write_object): Likewise.
4688 (init_ggc): Do not attempt to initialize entries in the
4689 size_lookup[] array for objects whose size is greater than than
4690 the length of the array.
4692 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4694 * dbxout.c (output_used_types_helper): Push queued types
4696 (output_types_sort): New.
4697 (output_used_types): Collect used types on a VEC and sort them
4700 2006-07-24 Richard Guenther <rguenther@suse.de>
4703 * cgraph.c (cgraph_remove_node): Do not check if dumps
4705 * cgraphunit.c (cgraph_optimize): Likewise.
4707 2006-07-24 Jan Hubicka <jh@suse.cz>
4709 PR rtl-optimization/28071
4710 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4711 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4712 splitting before first stmt.
4714 2006-07-24 Jan Hubicka <jh@suse.cz>
4716 PR rtl-optimization/28071
4717 * ipa-inline.c (update_caller_keys): Remove edges that
4718 are no longer inline candidates.
4720 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4723 * dbxout.c (output_used_types_helper, output_used_types): New.
4724 (dbxout_symbol): Call output_used_types.
4726 2006-07-23 Jan Hubicka <jh@suse.cz>
4730 * cgraph.c (cgraph_varpool_nodes): Export.
4731 (decide_is_variable_needed): Ignored "used" attribute in
4732 unit-at-a-time mode.
4733 * cgraph.h (cgraph_varpool_nodes): Declare.
4734 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4735 unit-at-a-time mode.
4737 2006-07-23 Roger Sayle <roger@eyesopen.com>
4740 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4741 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4742 the __gthrw form of thr_keycreate.
4743 (__gthread_key_delete): Silence the unused argument warning.
4745 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4748 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4749 Cache the last found '\0' marker to avoid quadratic behavior.
4751 2006-07-23 Jan Hubicka <jh@suse.cz>
4753 * i386.md (subsi_3_zext): Fix output template.
4755 2006-07-21 Mike Stump <mrs@apple.com>
4757 * doc/invoke.texi (C++ Dialect Options): Note that
4758 -fvisibility-inlines-hidden doesn't affect explicitly
4759 instantiationed inline methods.
4761 2006-07-20 Roger Sayle <roger@eyesopen.com>
4763 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4764 if the target assembler is GNU binutils' gas.
4765 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4766 whether to pass GNU gas or native as command line options.
4768 2006-07-20 Jason Merrill <jason@redhat.com>
4770 * tree.c (remove_attribute): New fn.
4771 * tree.h: Declare it.
4773 2006-07-20 Paul Brook <paul@codesourcery.com>
4776 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4777 they are invalidated by this instruction.
4779 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4782 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4784 2006-07-20 Eric Christopher <echristo@apple.com>
4787 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4789 2006-07-19 Eric Christopher <echristo@apple.com>
4791 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4792 Rewrite dependencies for libgcc_s.1.dylib.
4794 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4796 * except.c (duplicate_eh_regions_1): Clear next_peer.
4798 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4800 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4801 -mlongcall does not guarantee all calls will be long.
4802 * doc/extend.texi (long_call/short_call): Document that longcall
4803 does not guarantee a long call will be used.
4804 (longcall/shortcall): Likewise.
4806 2006-07-18 Roger Sayle <roger@eyesopen.com>
4809 * expmed.c (expand_shift): Additionally check that the shift_cost
4810 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4811 before implementing a LSHIFT_EXPR as a sequence of additions.
4812 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4813 middle-end that DImode shifts need to be synthesized by expand.
4815 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4818 * tree-ssa-operands.c (access_can_touch_variable): Update
4820 Return true if ALIAS is .GLOBAL_VAR.
4822 2006-07-18 David Daney <ddaney@avtrex.com>
4824 * gcc.c (display_help): Fix typo in help text.
4826 2006-07-18 Olivier Hainque <hainque@adacore.com>
4828 * tree.h (categorize_ctor_elements): Adjust prototype and add
4829 descriptive comment, both in accordance with the interface change
4831 * varasm.c (constructor_static_from_elts_p): New function.
4832 Whether a constructor node is a valid static constant initializer
4833 if all its elements are.
4834 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4835 * output.h: Declare it.
4836 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4837 is a valid constant initializer instead of computing the number of
4838 non-constant elements. Use constructor_static_from_elts_p for this
4839 purpose. Replace the head comment with an indication that this is a
4840 helper for categorize_ctor_elements.
4841 (categorize_ctor_elements): Same interface change as for the _1
4842 helper. Former head comment from this helper moved here, adjusted to
4843 account for the interface changes.
4844 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4845 (all_zeros_p): Likewise.
4846 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4847 static versions of the constructor from the categorize_ctor_elements
4848 return value instead of the formerly computed number of non-constant
4851 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4853 * configure: Regenerate.
4854 * Makefile.in (build_libsubdir): New configure substitution
4855 (build_libobjdir): New variable.
4856 (BUILD_LIBIBERTY): Use it.
4858 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4861 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4863 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4866 * c-common.c (handle_weakref_attribute): Ignore attribute in
4867 the same conditions the alias attribute is ignored.
4869 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4871 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4872 (dbxout_begin_prologue): Increment scope_labelno.
4874 2006-07-17 Richard Henderson <rth@redhat.com>
4877 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4880 2006-07-17 Roger Sayle <roger@eyesopen.com>
4881 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4883 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4884 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4885 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4886 functions such as sbrk, write, etc.. Add function prototypes.
4887 Convert function declarations from K&R to ISO C. Cast pointers
4888 to "long" and "unsigned long" instead of "int" and "unsigned int".
4889 Convert tokens following #endif into comments.
4891 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4893 * invoke.texi: Remove mention of f77; Reformat table for
4894 inline parameter options correctly; mention that -malign-double
4895 is default on x86-64 targets.
4897 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4899 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4900 (convert_affine_scev, chrec_convert_aggressive): Use
4901 avoid_arithmetics_in_type_p. Do not check for the subtypes
4904 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4907 * optabs.c (expand_doubleword_shift): Wrap the call to
4908 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4910 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4913 * optabs.c (expand_binop): Pass next_methods rather than methods
4914 to expand_doubleword_shift.
4916 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4919 * tree.h (dump_addr): Declare.
4920 * print-tree.c (dump_addr): New function.
4921 (print_node_brief, print_node): Use it.
4922 * print-rtl.c (print_rtx): Likewise.
4923 * common.opt (-fdump-noaddr): New option.
4924 * doc/invoke.texi (-fdump-noaddr): Document.
4925 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4926 (ve_info_hash): Likewise.
4928 2006-07-13 Andrew Haley <aph@redhat.com>
4930 PR tree-optimization/19505
4931 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4932 edge leaving this block, make sure that the destination of this
4933 block has only one predecessor.
4935 2006-07-17 Richard Guenther <rguenther@suse.de>
4937 PR tree-optimization/28238
4938 * tree-inline.c (copy_bb): Check if we produced valid
4939 gimple copying and substituting a stmt. If not, gimplify
4942 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4944 * optabs.c (maybe_encapsulate_block): New function extracted from...
4945 (emit_libcall_block): ...here. Invoke it on the block of insns to
4946 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4947 (emit_no_conflict_block): Likewise.
4949 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4951 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4953 2006-07-15 Roger Sayle <roger@eyesopen.com>
4955 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4956 a new NOP_EXPR case of the switch statement.
4958 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4961 * stor-layout.c (place_field): Take the bit field with
4962 an excessive size into account in the ms-bitfiled case.
4965 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4966 the previous bit field.
4968 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4971 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4973 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4975 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4976 signal frames correctly even when the signal was installed with
4979 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4981 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4982 (dbxout_function_end): Use local label LFBB. Remove hook
4984 (dbxout_source_line): Use local label LFBB.
4985 (dbxout_block): Likewise.
4986 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4987 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4988 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4989 and DBX_OUTPUT_NFUN.
4991 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4993 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4995 2006-07-13 Jan Hubicka <jh@suse.cz>
4997 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4999 * output.h (align_variable): Declare.
5000 * varasm.c (align_variable): Export.
5001 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5002 when basic block changed.
5004 2006-07-13 Nick Clifton <nickc@redhat.com>
5006 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5007 walking the LOG_LINKS chain.
5009 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5011 * doc/invoke.texi (C++ Dialect Options): Explain difference
5012 between -fvisibility-inlines-hidden and setting hidden
5013 visibility explicitly.
5015 2006-07-12 Eric Christopher <echristo@apple.com>
5017 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5018 (stmp-lipo): Depend on libgcc.a.
5020 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5022 * tree.c: Fix a comment typo.
5024 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5026 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5028 (umulhisi3_r): Likewise.
5030 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5033 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5034 x < 19, vs wchar_t support.
5036 2006-07-12 Nick Clifton <nickc@redhat.com>
5038 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5039 instead of -isa=sh4.
5041 2006-07-12 Mike Stump <mrs@apple.com>
5043 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5045 2006-07-10 Eric Christopher <echristo@apple.com>
5047 * config/t-slibgcc-darwin: Rewrite.
5049 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5052 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5055 2006-07-08 Matthias Klose <doko@debian.org>
5057 * doc/sourcebuild.texi: Fix typo.
5059 2006-07-07 Mike Stump <mrs@apple.com>
5061 * toplev.c (process_options): Don't give -ffunction-sections may
5062 affect debugging warning for Mach-O.
5064 2006-07-07 James E Wilson <wilson@specifix.com>
5066 * config/mips/mips.md (cpu): Add sb1a.
5067 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5068 addition to sb1. Adjust comments to clarify SB-1A differences from
5070 (ir_sb1a_load): New. Modify bypasses to use it.
5071 (ir_sb1a_simple_alu): Likewise.
5072 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5073 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5074 (mips_issue_rate): Add PROCESSOR_SB1A.
5075 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5076 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5077 (TARGET_SB1): Add PROCESSOR_SB1A check.
5078 (TUNE_SB1): Likewise.
5080 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5081 * config/mips/mips.c (mips_store_data_bypass_p): New.
5082 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5083 store_data_bypass_p.
5085 2006-07-08 Paul Brook <paul@codesourcery.com>
5088 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5090 2006-07-07 Richard Guenther <rguenther@suse.de>
5093 * tree.h (build_one_cst): Declare.
5094 * tree.c (build_one_cst): New function.
5095 * tree-ssa-math-opts.c (get_constant_one): Remove.
5096 (insert_reciprocals): Use build_one_cst.
5097 * fold-const.c (fold_plusminus_mult): Likewise.
5099 2006-07-07 Roger Sayle <roger@eyesopen.com>
5101 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5102 * cfgloopanal.c (dump_graph): Likewise.
5103 * dojump.c (discard_pending_stack_adjust): Likewise.
5104 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5106 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5107 * function.c (finalize_block_changes): Likewise.
5108 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5109 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5110 * rtl.c (dump_rtx_statistics): Likewise.
5111 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5113 * varray.c (dump_varray_statistics): Likewise.
5114 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5115 decode_decimal64, encode_decimal128, decode_decimal128,
5116 decimal_real_to_decimal): Likewise.
5118 2006-07-07 Richard Guenther <rguenther@suse.de>
5120 PR tree-optimization/28187
5121 * tree-vrp.c (vrp_operand_equal_p): New function.
5122 (vrp_bitmap_equal_p): Likewise.
5123 (update_value_range): Use them to compare old and new
5126 2006-07-06 Roger Sayle <roger@eyesopen.com>
5128 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5129 a default case to switch statement to silence compiler warnings.
5131 2006-07-06 Roger Sayle <roger@eyesopen.com>
5134 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5135 the configured assembler supports the x87's ffreep mnemonic.
5136 * configure: Regenerate.
5137 * config.in: Regenerate.
5139 * config/i386/i386.c (output_387_ffreep): New function.
5140 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5141 (output_387_reg_move): Likewise.
5143 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5145 Port to hosts whose 'sort' and 'tail' implementations
5146 treat operands with leading '+' as file names, as POSIX
5147 has required since 2001. However, make sure the code still
5148 works on pre-POSIX hosts.
5149 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5150 which says you should use "tail -c +N" rather than "tail +Nc".
5151 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5153 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5155 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5158 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5161 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5162 PRE_{INC,DEC} of TFmode.
5164 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5165 Alan Modra <amodra@bigpond.net.au>
5168 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5171 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5174 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5175 Remove duplicate gtu.
5177 2006-07-05 Jason Merrill <jason@redhat.com>
5181 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5182 * c-common.c (handle_packed_attribute): So don't copy it here.
5183 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5185 2006-07-05 Mike Stump <mrs@apple.com>
5187 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5189 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5192 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5194 2006-07-05 Richard Guenther <rguenther@suse.de>
5197 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5198 TARGET_SSE2 targets if using SSE math.
5199 (*absdf2_1): Likewise.
5201 2006-07-05 Richard Guenther <rguenther@suse.de>
5203 PR tree-optimization/28162
5204 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5205 make sure to convert the operands to the correct type.
5207 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5209 PR tree-optimization/28218
5211 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5212 to calculate and free the dominator information.
5214 2006-07-04 Peter O'Gorman <peter@pogma.com>
5216 * mklibgcc.in: chmod 644 before ranlib during install.
5218 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5219 J"orn Rennecke <joern.rennecke@st.com>
5221 * configure.ac (.eh_frame data check): Use diff -b.
5223 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5226 * Makefile.in (BUILD_RTL): Add build/vec.o.
5227 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5228 (build/genextract): Delete.
5229 (build/genautomata): Likewise.
5231 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5234 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5235 128-bit IBM long doubles for ABI_V4.
5237 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5239 * tree.c (range_in_array_bounds_p): New predicate.
5240 * tree.h (range_in_array_bounds_p): Declare it.
5241 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5242 return a less conservative answer.
5243 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5244 and flag 'is_group'.
5245 (IS_ELEMENT_FOR_GROUP): New macro.
5246 (FOR_EACH_ACTUAL_CHILD): Likewise.
5247 (next_child_for_group): New helper function.
5248 (can_completely_scalarize_p): Take into account groups.
5249 (sra_hash_tree): Handle RANGE_EXPR.
5250 (sra_elt_eq): Likewise.
5251 (lookup_element): Be prepared for handling groups.
5252 (is_valid_const_index): Delete.
5253 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5254 instead of is_valid_const_index.
5255 <ARRAY_RANGE_REF>: New case.
5256 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5257 is_valid_const_index.
5258 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5259 (scan_dump): Dump info for groups too.
5260 (decide_instantiation_1): Likewise.
5261 (decide_block_copy): Assert that the element is not a group.
5262 Propagate decision to groups.
5263 (generate_one_element_ref): Handle RANGE_EXPR.
5264 (mark_no_warning): Iterate over actual childs.
5265 (generate_copy_inout): Likewise.
5266 (generate_element_copy): Likewise.
5267 (generate_element_zero): Likewise.
5268 (generate_element_init_1): Likewise.
5269 (dump_sra_elt_name): Handle RANGE_EXPR.
5271 2006-07-03 Roger Sayle <roger@eyesopen.com>
5273 PR tree-optimization/26251
5274 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5275 (thread_block): When optimizing for size refuse to thread jumps
5276 that would require duplication of blocks other than redirection
5279 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5281 * configure.ac: Fix thinko in previous check-in.
5282 * configure: Regenerate.
5284 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5287 * configure.ac (for lang...): Simplify nesting of conditionals.
5288 Test subdir_requires for non-enabled languages. Move processing
5289 of lang_opt_files and lang_tree_fiels below that test.
5290 * configure: Regenerate.
5291 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5293 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5295 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5297 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5299 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5302 2006-06-29 Jason Merrill <jason@redhat.com>
5309 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5310 * c-common.c (c_determine_visibility): Handle it here.
5311 * c-decl.c (finish_decl): Call c_determine_visibility for
5313 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5315 * varasm.c (default_assemble_visibility): Likewise.
5316 * c-common.c (handle_visibility_attribute): Complain about trying
5317 to give visibility to an already defined class, or trying to change
5318 declared visibility. Always attach the attribute.
5323 * attribs.c (decl_attributes): Ignore type-in-place attributes
5324 once the type has been defined.
5326 2006-06-29 Roger Sayle <roger@eyesopen.com>
5329 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5330 to indicate the cpplib has issued an error message for us.
5332 2006-06-29 Asher Langton <langton2@llnl.gov>
5335 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5336 insert a label at the end of an function under Mach-O.
5338 2006-06-29 Eric Christopher <echristo@apple.com>
5339 Evan Cheng <evan.cheng@apple.com>
5341 * predicates.md (vector_all_ones_operand): New.
5342 (nonimmediate_or_sse_const_operand): Ditto.
5343 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5344 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5345 (standard_sse_mode_p): Ditto.
5346 (standard_sse_constant_p): Add case for -1 vector.
5347 (ix86_expand_vector_move): Try to use.
5348 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5349 Call standard_sse_constant_opcode.
5350 (*movv4sf_internal): Ditto.
5351 (*movv2df_internal): Ditto.
5353 2006-06-29 Roger Sayle <roger@eyesopen.com>
5355 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5356 of XEXP to extract the operands of a MATCH_CODE rtx.
5358 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5360 * tree.c (tree_size): Do not waste tail padding in
5361 struct tree_string and make the size be the same as
5362 build_string will generate.
5364 2006-06-28 Jason Merrill <jason@redhat.com>
5367 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5368 may_aliases already in the tag's annotations to the bitmap.
5370 2006-06-28 Roger Sayle <roger@eyesopen.com>
5372 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5374 2006-06-28 Roger Sayle <roger@eyesopen.com>
5376 * genpreds.c (generate_switch_p): New function.
5377 (add_mode_tests): Push the new mode test down inside an AND expr
5378 if this allows the switch-suitable MATCH_CODE to be near the root.
5379 (write_match_code_switch): New function to write a MATCH_CODE as
5381 (write_predicate_stmts): New function to write a predicate RTX
5382 expression as a sequence of statements.
5383 (write_one_predicate_function): Use write_predicate_stmts.
5384 (write_tm_constrs_h): Likewise.
5386 2006-06-26 Fred Fish <fnf@specifix.com>
5388 * config/mips/t-sb1: New file.
5389 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5392 2006-06-26 DJ Delorie <dj@redhat.com>
5394 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5396 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5397 Jayant Sonar <jayants@kpitcummins.com>
5398 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5400 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5401 (subsi3, subsi3_1, subsi3_2): New.
5402 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5403 * config/m32c/mov.md (SI mov peephole): New.
5404 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5405 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5407 2006-06-26 Olivier Hainque <hainque@adacore.com>
5409 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5410 a CALL_EXPR target function declaration.
5412 2006-06-26 Richard Guenther <rguenther@suse.de>
5414 * tree.c (build_string): Do not waste tail padding in
5417 2006-06-26 Richard Guenther <rguenther@suse.de>
5419 * ggc-page.c (init_ggc): Add missing element to size_lookup
5423 2006-06-23 Richard Guenther <rguenther@suse.de>
5425 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5426 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5427 alignment requests instead. Add verification code.
5428 Add struct tree_function_decl and struct tree_binfo size to
5429 extra_order_size_table. Add missing element to size_lookup
5432 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5435 * fold-const.c (const_binop): Be prepared for self returning zero.
5436 Simplify code handling complex values.
5438 2006-06-24 Olivier Hainque <hainque@adacore.com>
5440 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5441 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5444 2006-06-24 Olivier Hainque <hainque@adacore.com>
5446 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5447 ARRAY_REF, so have the callback called for the low bound expression.
5449 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5451 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5452 * c-typeck.c (c_common_type): Disallow operations on decimal float
5453 types and other float types.
5454 * convert.c (convert_to_real): Don't ignore conversions involving
5455 decimal float types.
5457 2006-06-23 Olivier Hainque <hainque@adacore.com>
5459 * tree.c (max_int_size_in_bytes): New function, inspired from
5460 code in function.c:assign_temp.
5461 * tree.h (max_int_size_in_bytes): Declare.
5462 * function.c (assign_temp): Use it.
5463 * gimplify.c (create_tmp_var): Relax the assertions on the type
5464 properties, not mandating constant size any more.
5465 (force_constant_size): New static function.
5466 (gimple_add_tmp_var): Use it, forcing variable size to a
5467 constant upper bound if it is not constant on entry.
5469 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5472 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5473 for initialization and setting of one_only flag to ...
5474 (i386_pe_encode_section_info): ...here.
5475 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5476 Recheck that the symbol has not been defined.
5478 2006-06-23 Richard Guenther <rguenther@suse.de>
5480 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5481 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5482 alignment requests instead. Add verification code.
5483 Add struct tree_function_decl and struct tree_binfo size to
5484 extra_order_size_table. Add missing element to size_lookup
5487 2006-06-22 Roger Sayle <roger@eyesopen.com>
5488 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5491 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5492 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5494 2006-06-23 Ben Elliston <bje@au.ibm.com>
5496 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5497 negate dn -- manipulate it directly.
5499 2006-06-22 Roger Sayle <roger@eyesopen.com>
5500 Steven Bosscher <stevenb.gcc@gmail.com>
5503 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5504 generated by gen_move_insn to add REG_LABEL notes if necessary.
5506 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5508 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5509 (leaf_entry): Remove use of MIN_ESA.
5511 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5513 PR rtl-optimization/28121
5514 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5517 2006-06-21 DJ Delorie <dj@redhat.com>
5519 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5521 (mulhisi3_r): Likewise.
5523 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5526 * coverage.c (coverage_counter_alloc): Leave the index type
5528 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5531 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5533 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5534 section from the "Options for Code Generation Conventions".
5536 2006-06-21 Richard Henderson <rth@redhat.com>
5540 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5542 (global_symbolic_operand): Allow weak symbols, even if local_p.
5544 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5546 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5547 (find_interesting_uses_address): Punt if above function returns true.
5549 2006-06-21 Richard Guenther <rguenther@suse.de>
5551 * configure: Regenerated.
5553 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5555 * config/mips/mips.c (function_arg): Where one part of a
5556 complex argument is in registers and the other part in the stack,
5557 return a REG not a PARALLEL.
5559 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5561 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5562 when cross-compiling. Do not substitute libstdcxx_incdir.
5563 * configure: Regenerated.
5565 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5567 * varasm.c (mergeable_string_section): Check for embedded NULs and
5568 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5569 rather than TREE_STRING_LENGTH bytes.
5571 2006-06-21 Richard Guenther <rguenther@suse.de>
5573 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5574 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5577 2006-06-21 Richrad Guenther <rguenther@suse.de>
5579 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5580 Limit iteration over the dominators.
5582 2006-06-20 Roger Sayle <roger@eyesopen.com>
5584 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5585 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5587 2006-06-20 Richard Guenther <rguenther@suse.de>
5588 Michael Matz <matz@suse.de>
5590 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5592 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5593 * et-forest.h (et_free_pools): Prototype new function.
5594 * et-forest.c (et_free_tree_force): Free parent occurrence.
5595 (et_free_pools): New function.
5596 * dominance.c (free_dominance_info): Free et-forest alloc
5599 2006-06-20 Roger Sayle <roger@eyesopen.com>
5601 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5602 integer modes, attempt to directly construct an integer constant.
5604 * fold-const.c (native_encode_vector): Determine the size of each
5605 element from the vector type instead of the first vector element.
5607 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5608 if all of its elements/components are constant.
5609 (build_constructor_from_list): Likewise.
5611 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5613 PR tree-optimization/27331
5614 * tree-data-ref.c (free_data_ref): New function.
5615 (create_data_ref): Fail if the data reference has unknown access
5617 (free_data_refs): Use free_data_ref.
5619 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5622 * tree-inline.c (setup_one_parameter): Strip useless
5623 type conversion before adding it to the IR.
5624 (declare_return_variable): Likewise.
5626 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5629 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5631 2006-06-19 Mike Stump <mrs@apple.com>
5633 * tree.c (variably_modified_type_p): VM arguments don't make the
5636 2006-06-19 Richard Guenther <rguenther@suse.de>
5638 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5639 type conversions after folding.
5641 2006-06-19 Richard Guenther <rguenther@suse.de>
5643 * ggc-page.c (extra_order_size_tab): Add entries with
5644 size of struct function and basic_block.
5645 (size_lookup): Extend to cover sizes up to 511.
5646 (ggc_alloc_stat): Adjust user.
5647 (ggc_pch_count_object): Likewise.
5648 (ggc_pch_alloc_object): Likewise.
5649 (ggc_pch_write_object): Likewise.
5651 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5653 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5654 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5657 2006-06-19 Denis Chertykov <denisc@overta.ru>
5659 * config/avr/libgcc.S : Correct my wrong previous commit.
5661 2006-06-19 Roger Sayle <roger@eyesopen.com>
5664 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5665 have stripped a SUBREG from the shift count, so we may need to
5666 convert_to_mode back to the type's mode before calling make_tree.
5667 Use new_amount instead of amount to avoid expanding a tree twice.
5669 2006-06-19 Richard Guenther <rguenther@suse.de>
5672 * fold-const.c (operand_equal_p): Check if the argument types
5673 have the same precision before stripping NOPs.
5675 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5677 Fix PR tree-optimization/27341
5678 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5680 * tree-complex.c (pass_lower_complex): Update SMT usage.
5682 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5684 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5685 Add a new alternative to the constraint strings. Add move of
5686 operand 1 to 3 to the splitter definition.
5687 ("doloop_si_long"): Second contraint alternative removed.
5689 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5691 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5692 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5694 (AVR_HAVE_MOVW) Define.
5695 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5696 (ASM_SPEC): Add avr25.
5697 (LINK_SPEC): Add avr25.
5698 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5699 (base_arch_s): Add new member 'have_movw_lpmx'.
5700 (avr_arch_types): Init 'have_movw_lpmx'.
5701 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5702 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5703 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5704 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5705 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5707 (avr_file_start): Do not output '.arh' derective.
5708 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5709 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5710 * config/avr/avr.md (mcu_enhanced): Delete.
5711 (mcu_have_movw): Define.
5712 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5713 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5714 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5715 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5716 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5717 attiny861 and at86rf401 devices.
5719 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5721 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5724 2006-06-17 Karl Berry <karl@gnu.org>
5726 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5727 doc/gccint.texi, doc/install.texi (@dircategory): Use
5728 "Software development" instead of "Programming", following
5729 the Free Software Directory.
5731 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5733 * config/i386/i386.c (legitimate_tls_address)
5734 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5735 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5736 (*tls_dynamic_gnu2_combine_64): Likewise.
5738 2006-06-16 Richard Guenther <rguenther@suse.de>
5741 * fold-const.c (negate_expr_p): Do not introduce undefined
5742 overflow in negating INTEGER_CSTs.
5743 (fold_negate_expr): Rename from negate_expr. Revert last
5744 change for folding BIT_NOT_EXPR. Change semantics to
5745 return NULL_TREE for non-simplified negations. Do not
5746 strip type conversions and unify type handling.
5747 (negate_expr): New function, wrap around fold_negate_expr
5748 but ensure building a tree always. Strip type conversions
5749 here, fold to result type.
5750 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5752 2006-06-16 Roger Sayle <roger@eyesopen.com>
5755 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5756 that (would) return their results in stack registers.
5758 2006-06-16 Michael Matz <matz@suse.de>
5759 Richard Guenther <rguenther@suse.de>
5761 * fold-const.c (fold_truthop): Only return new tree node if
5762 we canonicalized something.
5764 2006-06-16 Richard Guenther <rguenther@suse.de>
5766 * function.h (enum function_frequency): Move declaration
5767 out of struct function.
5768 (struct function): Move bool fields and the enum to the bitfield
5769 section. Reorder elements to avoid padding. Remove unused
5770 fields left over from the RTL inliner removal.
5771 * function.c (free_after_compilation): Do not zero removed fields.
5772 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5773 (ipa-type-escape.o): Likewise.
5775 2006-06-16 Richard Guenther <rguenther@suse.de>
5777 * cgraph.h (struct cgraph_local_info): Turn bool elements
5779 (struct cgraph_node): Likewise.
5780 (struct cgraph_varpool_node): Likewise.
5782 2006-06-15 Richard Guenther <rguenther@suse.de>
5784 * fold-const.c (fold_truth_not_expr): Rename from
5785 invert_truthvalue. Give it fold_* semantics to avoid
5787 (invert_truthvalue): New function. Wrapper around
5788 fold_truth_not_expr.
5789 (optimize_minmax_comparison): Avoid creating garbage.
5790 (fold_unary): Use fold_truth_not_expr for folding
5792 (fold_ternary): Replace uses of invert_truthvalue with
5793 fold_truth_not_expr where applicable.
5794 * tree.h (fold_truth_not_expr): Prototype.
5796 2006-06-16 Richard Guenther <rguenther@suse.de>
5798 PR tree-optimization/27781
5799 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5800 * ipa-pure-const.c (target.h): Include.
5801 (analyze_function): Do not analyze functions that do not
5804 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5807 * tree-dfa.c (referenced_vars_dup_list): Remove.
5808 (find_referenced_vars): Remove assert.
5809 (referenced_var_check_and_insert): Replace dup list with assert.
5810 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5811 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5813 2006-06-15 Richard Guenther <rguenther@suse.de>
5815 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5816 extra unused identifiers if not dumping.
5817 (create_variable_info_for): Likewise.
5819 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5821 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5822 (derive_constant_upper_bound): Derive more precise upper bound in
5823 common cases. Return type changed to double_int.
5824 (record_estimate): Reflect the changed return type of
5825 derive_constant_upper_bound.
5826 * double-int.c (double_int_zext, double_int_sext): Fix.
5828 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5830 * configure.ac (CFLAGS): Get them from the toplevel or from the
5831 configure invocation.
5832 * configure: Regenerate.
5833 * Makefile.in (CFLAGS): Substitute value provided by configure.
5835 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5838 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5839 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5840 rather than calling add_stmt on it.
5841 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5843 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5846 * reload1.c (reload): Remove registers returned by update_eliminables
5847 from used_spill_regs.
5849 2006-06-13 DJ Delorie <dj@redhat.com>
5851 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5853 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5855 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5856 html__strip_dir, html__mkdir_p. Enhance install-html target.
5857 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5858 * configure: Regenerate.
5860 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5862 * fold-const.c (fold_cond_expr_with_comparison): Check for
5863 Objective-C++ as language in deciding COND_EXPR transformation.
5865 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5868 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5869 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5870 * config/sh/lib1funcs.h (SL, SL1): Define.
5871 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5872 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5873 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5874 (OBJS_Os_4_200): New variable.
5875 ($(T)libgcc-Os-4-200.a): Use it.
5876 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5877 when dividing 1 and/or by 0.
5879 2006-06-13 Roger Sayle <roger@eyesopen.com>
5881 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5882 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5883 * configure: Regenerate.
5885 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5887 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5888 for real instruction.
5890 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5893 * haifa-sched.c (check_cfg): Handle special case.
5895 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5898 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5899 Add debug_info parameter. Chain the vars to the BLOCK instead
5900 of the BIND_EXPR if debug info are requested for them.
5901 (pop_gimplify_context): Adjust for above change.
5902 (gimple_add_tmp_var): Likewise.
5903 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5905 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5906 (convert_local_reference): Likewise.
5907 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5908 (finalize_nesting_tree_1): Request that debug info be emitted
5909 for debug_var_chain.
5911 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5913 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5914 for PR target/27863.
5916 2006-06-13 Richard Guenther <rguenther@suse.de>
5919 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5921 2006-06-13 Richard Guenther <rguenther@suse.de>
5923 PR tree-optimization/27830
5924 * tree-inline.c (copy_body_r): For copying the operand
5925 of an ADDR_EXPR make sure to fold &* afterwards.
5927 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5929 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5930 lvalues in the fb_none case with side-effects.
5932 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5934 * tree-flow.h: Remove the prototype for
5935 compute_phi_arg_on_exit.
5936 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5937 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5940 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5942 * builtins.c (expand_builtin_return_addr): Only use
5943 frame_pointer_rtx when count == 0 and we are expanding
5944 __builtin_return_address.
5946 2006-06-12 Fred Fish <fnf@specifix.com>
5948 * config/mips/mips.c (mips_file_start): Create special section
5949 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5951 2006-06-11 Eric Christopher <echristo@apple.com>
5954 * stor-layout.c (place_field): Remove check for
5955 remaining_in_alignment when aligning at the end of a run.
5957 2006-06-11 Eric Christopher <echristo@apple.com>
5960 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5963 2006-06-11 Roger Sayle <roger@eyesopen.com>
5966 Revert incorrect fix for PR target/27158
5967 2006-05-08 Roger Sayle <roger@eyesopen.com>
5968 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5969 of a reg_equiv_constant if the result is a legitimate constant.
5971 2006-06-11 Roger Sayle <roger@eyesopen.com>
5974 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5975 extract a CONST_VECTOR element and interpret it as an integer.
5976 (vspltis_constant): Use const_vector_elt_as_int instead of the
5977 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5978 * config/rs6000/predicates.md (easy_vector_const): Consider
5979 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5981 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5984 * stor-layout.c (update_alignment_for_field): Don't add extra
5985 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5988 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5990 * config/mips/t-rtems: Add EL/EB multilib variants.
5992 2006-06-09 Mike Stump <mrs@apple.com>
5994 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5996 2006-06-09 David Daney <ddaney@avtrex.com>
5998 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6000 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6002 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6004 2006-06-09 Richard Guenther <rguenther@suse.de>
6006 PR tree-optimization/26998
6007 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6008 of signed types, only TYPE_MIN_VALUE is special, but for both,
6009 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6010 in this case, as is -fwrapv.
6012 2006-06-08 Mike Stump <mrs@apple.com>
6015 * config/darwin.c (darwin_asm_output_anchor): Disable
6016 -fsection-anchors on darwin for now.
6017 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6018 * rs6000/rs6000.c (optimization_options): Likewise.
6020 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6023 * config/i386/i386.c (classify_argument): Skip fields with invalid
6026 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6028 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6029 (cse_insn): Likewise for the stack_pointer_rtx.
6031 2006-06-08 Roger Sayle <roger@eyesopen.com>
6033 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6034 conditions from floating point comparisons.
6036 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6039 * expmed.c (struct alg_hash_entry): Fix type of field T
6040 to match synth_mult argument.
6041 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6043 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6046 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6049 2006-06-08 Richard Guenther <rguenther@suse.de>
6052 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6053 only, if overflow is defined and not trapping.
6054 (negate_expr): Likewise.
6056 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6058 PR tree-optimization/27872
6059 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6060 flag on the new exit edge of the unrolled loop.
6062 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6064 PR rtl-optimization/26449
6065 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6067 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6070 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6071 referenced_variables with matching DECL_UID's.
6072 (find_referenced_vars): Make sure duplicate list is empty to start.
6073 (referenced_var_p): Remove.
6074 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6075 Check if var is in the list, and add if needed. Update the duplicate
6076 list if a different var is in the list with the same DECL_UID.
6077 (add_referenced_var): Call routine to check and insert.
6078 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6079 * tree-flow.h (referenced_vars_dup_list): External declaration.
6081 2006-06-07 Fred Fish <fnf@specifix.com>
6083 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6086 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6089 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6090 the imaginary and real parts of a clobbered register.
6091 Emit insn to set the imaginary part.
6093 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6095 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6096 in lieu of unwind-dw2-fde.c.
6098 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6100 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6102 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6105 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6106 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6107 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6108 V4SImode temporaries and operations instead.
6110 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6112 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6115 2006-06-06 Mike Stump <mrs@apple.com>
6117 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6118 installing during build.
6120 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6122 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6124 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6125 * config/ia64/ia64.c (params.h): New header.
6126 (ia64_optimization_options): New function to adjust parameters.
6127 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6128 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6129 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6131 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6133 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6135 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6138 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6140 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6141 Victor Kaplansky <victork@il.ibm.com>
6143 PR tree-optimization/26360
6144 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6147 2006-06-04 Roger Sayle <roger@eyesopen.com>
6148 Andrew Pinski <pinskia@physics.uc.edu>
6151 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6152 for LABEL_DECL before calling DECL_WEAK.
6155 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6156 LABEL_DECL and PARM_DECL.
6158 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6162 * c-decl.c (grokdeclarator): Disallow variably modified types at
6163 file scope. Avoid marking shared array type of constant size as
6166 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6169 * c-common.c (fold_offsetof_1): Handle static members.
6171 2006-06-04 Eric Christopher <echristo@apple.com>
6173 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6174 (debug_rli): Output value for remaining_in_alignment.
6175 (update_alignment_for_field): Unconditionalize
6176 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6177 extra alignment code.
6178 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6179 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6180 * tree.h (record_layout_info_s): Remove prev_packed.
6181 * doc/extend.texi (ms_struct): Add documentation of format.
6183 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6185 * tree.h: Declare folding_initializer.
6186 * builtins.c (fold_builtin_constant_p): Give definite answer
6187 if folding inside an initializer.
6188 * fold-const.c: Define folding_initializer.
6189 (START_FOLD_INIT): Save and then set folding_initializer.
6190 (END_FOLD_INIT): Restore folding_initializer.
6192 2006-06-04 Richard Guenther <rguenther@suse.de>
6194 PR tree-optimization/27039
6195 * fold-const.c (fold_comparison): Handle pointer comparison
6196 again for all comparison codes. Compare offsets in signed
6198 (fold_binary): Move code from here.
6200 2006-06-03 Roger Sayle <roger@eyesopen.com>
6203 * config/i386/i386.c (construct_container): Split static issued_error
6204 flag into issued_sse_arg_error, issued_sse_ret_error and
6205 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6206 requires the use of x87 registers and the user explicitly
6207 specified the -mno-80387 command line option.
6209 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6211 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6212 HAVE_DECL_SIGALTSTACK.
6214 (segv_handler): Use MC_FLD.
6215 * configure.ac: Check for a sigaltstack declaration.
6216 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6217 * configure: Regenerate.
6218 * config.in: Regenerate.
6220 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6223 * Makefile.in (stmp-fixinc): Fix typo.
6225 2006-06-02 Roger Sayle <roger@eyesopen.com>
6227 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6228 are type correct. Clean-up.
6229 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6230 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6232 2006-06-01 DJ Delorie <dj@redhat.com>
6234 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6235 shift, as we've disabled the "switch" insn that needs it.
6237 2006-06-01 Per Bothner <bothner@bothner.com>
6239 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6240 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6241 * c-ppoutput.c (cb_define): Don't increment line 0.
6243 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6245 * doc/invoke.texi: Add cpu_type power6.
6246 * config.gcc: Add cpu_type power6.
6247 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6248 to power5+ with Altivec.
6249 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6250 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6252 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6254 * config/avr/avr.h (SET_ASM_OP): Define.
6256 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6258 * config/bfin/bfin.c: Fix comment typos.
6260 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6263 * doc/install.texi: Document --enable-bootstrap and
6264 --disable-bootstrap.
6266 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6268 * doc/install.texi: Document that InfoZIP can replace jar.
6270 2006-05-31 Roger Sayle <roger@eyesopen.com>
6272 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6273 isn't available, directly generate the simpler x87 patterns without
6274 the (use (const_int 0)).
6275 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6276 implementation isn't available.
6277 (*negdf2_1): Likewise.
6278 (*negxf2_1): XF mode negation is always done using the x87.
6279 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6281 2006-05-31 Roger Sayle <roger@eyesopen.com>
6283 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6284 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6286 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6288 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6290 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6291 * config/bfin/bfin.c (basic-block.h): Include.
6292 (struct machine_function): New.
6293 (bfin_init_machine_status): New.
6294 (override_options): Initialize init_machine_status.
6295 (bfin_hardware_loop): New.
6296 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6297 (DEF_VEC_P (loop_info)): New.
6298 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6299 (struct loop_info): New.
6300 (loop_info): New typedef.
6301 (struct loop_work): New.
6302 (loop_work): New typedef.
6303 (DEF_VEC_O (loop_work)): New.
6304 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6305 (bfin_dump_loops): New.
6306 (bfin_bb_in_loop): New.
6307 (bfin_scan_loop): New.
6308 (bfin_optimize_loop): New.
6309 (bfin_reorg_loops): New.
6310 (bfin_reorg): Use bfin_reorg_loops.
6311 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6313 (I_REGNO_P): Simplify.
6314 (DP_REGNO_P, DPREG_P): New macros.
6315 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6316 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6317 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6318 Add LT_REGS, LC_REGS, LB_REGS.
6319 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6321 (REGNO_REG_CLASS): Deal with loop registers.
6322 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6324 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6325 New constants for loop registers.
6326 (UNSPEC_LSETUP_END): New.
6327 (seq_insns): New define_attr. Set it for appropriate insns.
6328 (movsi_insn): Add alternatives for move from/to
6329 loop count registers.
6330 (doloop_end): New define_expand.
6331 (loop_end): New define_insn.
6332 (define_split for bad doloop_end): New.
6333 (lsetup_with_autoinit): New define_insn.
6334 (lsetup_without_autoinit): New define_insn.
6335 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6336 * config/bfin/predicates.md (lc_register_operand): New.
6337 (lt_register_operand): New.
6338 (lb_register_operand): New.
6339 (nondp_register_operand): New.
6340 (nondp_reg_or_memory_operand): New.
6341 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6343 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6345 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6346 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6348 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6350 * Makefile.in (CATALOGS): Add po/ prefix.
6351 * configure: Regenerated.
6353 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6356 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6357 a shift operand before calling shift_op. Avoid redundant call of
6360 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6361 DJ Delorie <dj@redhat.com>
6363 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6364 we're inserting is a singlt-bit constant.
6366 2006-05-30 Roger Sayle <roger@eyesopen.com>
6368 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6369 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6371 2006-05-30 Roger Sayle <roger@eyesopen.com>
6373 PR tree-optimization/23452
6374 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6375 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6376 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6377 complex values and with -ffast-math for FP complex values.
6379 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6381 * c-common.h: Remove the prototype for yyparse.
6382 * rtl.h: Remove the prototype for init_loop.
6384 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6386 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6389 2006-05-30 Roger Sayle <roger@eyesopen.com>
6391 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6393 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6394 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6396 2006-05-30 Dirk Mueller <dmueller@suse.de>
6399 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6400 for CONSTANT_CLASS_P expresisons.
6402 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6405 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6407 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6409 PR tree-optimization/27779
6410 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6411 initial_condition instead of CHREC_LEFT.
6413 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6415 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6416 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6417 Make prototypes ISO C90.
6419 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6420 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6422 * see.c (see_analyze_one_def): Correct check.
6423 (see_get_extension_data): Check if extension is parallel.
6424 (see_get_extension_reg): Likewise.
6426 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6429 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6430 into register for (code == GTU).
6432 2006-05-29 Roger Sayle <roger@eyesopen.com>
6434 PR tree-optimization/24964
6435 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6436 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6437 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6438 abs(x)*abs(x) as x*x for scalar floating point modes.
6440 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6443 * lambda-code.c (perfect_nestify): Don't copy statements
6444 in the inner loop: move them to the inner loop header.
6446 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6449 * c-tree.texi: Document OpenMP directives and clauses.
6451 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6453 * varasm.c (globalize_decl): Fix indentation.
6455 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6458 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6459 pass_fre, pass_store_ccp, pass_copy_prop,
6460 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6461 pass_return_slot, pass_object_size, pass_lim,
6462 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6463 pass_loop_prefetch and pass_stdarg.
6465 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6467 * config/bfin/bfin.opt (mfdpic): New option.
6468 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6469 (EXTRA_MULTILIB_PARTS): Likewise.
6470 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6471 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6473 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6474 (CRT_CALL_STATIC_FUNCTION): New.
6475 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6477 (CRT_CALL_STATIC_FUNCTION): New.
6478 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6480 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6481 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6482 (initialize_trampoline): Changed to handle FD-PIC code generation.
6483 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6484 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6485 (override_options): Disallow -mid-shared-library -mfdpic combination.
6486 Can't do unaligned ops if FD-PIC.
6487 Turn off flag_pic if trying to generate non-id-shared-library
6488 non-fdpic code, since it's not supported.
6489 (bfin_assemble_integer): New function.
6490 (TARGET_ASM_INTEGER): Define.
6491 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6493 * config/bfin/crtn.s: Restore them.
6494 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6496 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6497 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6498 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6499 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6500 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6502 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6503 FDPIC_REGS and FDPIC_FPTR_REGS.
6504 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6505 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6506 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6507 (load_funcdescsi): New pattern.
6508 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6509 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6510 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6512 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6514 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6517 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6519 * tree-flow.h: Remove the prototype for add_type_alias.
6520 * tree-ssa-alias.c (add_type_alias): Remove.
6522 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6524 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6525 config/fr30/fr30.md, config/i386/i386-interix.h,
6526 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6527 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6528 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6529 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6530 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6531 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6532 Follow spelling conventions.
6533 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6534 Follow spelling conventions.
6536 2006-05-27 Richard Guenther <rguenther@suse.de>
6539 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6540 to produce a constant of value 1 of generic type.
6542 2006-05-27 Dirk Mueller <dmueller@suse.de>
6544 * cgraphunit.c (decide_is_function_needed): Fix wrong
6547 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6549 PR rtl-optimization/27661
6550 * reload.c (find_reloads): When reloading a VOIDmode constant
6551 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6552 use Pmode as mode of the reload register.
6554 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6556 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6557 is enabled at -O and above.
6559 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6562 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6565 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6568 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6569 for anonymous variables explicitly declared by front ends.
6571 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6573 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6574 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6575 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6576 ref-all pointers, run a finalization pass for them.
6577 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6578 (finalize_ref_all_pointers): New function.
6579 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6580 regular pointer type to a ref-all pointer type.
6581 (get_tmt_for): Return the special memory tag for ref-all pointers.
6583 2006-05-25 Richard Guenther <rguenther@suse.de>
6586 * fold-const.c (fold_binary): Do not look at the stripped
6587 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6589 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6591 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6592 for LT and GT if the computed range is effectively empty.
6594 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6597 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6598 mips_quad_format formats instead of ieee_single_format,
6599 ieee_double_format and ieee_quad_format formats, respectively.
6601 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6603 PR tree-optimization/27639
6604 PR tree-optimization/26719
6605 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6606 call to scev_probably_wraps_p.
6607 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6608 used_in_pointer_arithmetic_p, convert_step): Removed.
6609 (nowrap_type_p): New function.
6610 (scev_probably_wraps_p): Rewritten.
6611 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6612 chrec_convert if chrec_convert_aggressive might have been used.
6613 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6614 scev_direction): New functions.
6615 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6616 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6617 instead of convert_step.
6618 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6619 (convert_step): Declaration removed.
6620 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6622 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6624 * df-core.c: Added to header comments.
6625 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6626 df_ur_bb_info, df_urec_bb_info): Added comments.
6627 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6628 urec, ri problems): Fixed header comments.
6629 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6630 code from df_rd_transfer_function.
6632 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6634 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6635 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6636 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6638 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6640 * expr.c (undefined_operand_subword_p): New.
6641 (emit_move_multi_word): Do not generate move from undefined bits
6642 of a paradoxical subreg.
6644 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6646 PR rtl-optimization/27736
6647 * combine.c (replaced_rhs_value): New variable.
6648 (combine_instructions): Set it.
6649 (distribute_notes): When distributing a note in replaced_rhs_insn,
6650 check whether the value was used in replaced_rhs_value.
6652 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6655 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6656 add_referenced_var instead of add_referenced_tmp_var.
6657 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6658 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6660 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6661 tree_optimize_tail_calls_1): Use add_referenced_var.
6662 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6663 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6664 Use add_referenced_var.
6665 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6666 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6667 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6668 Use add_referenced_var.
6669 * tree-dfa.c (struct walk_state): Remove.
6670 (find_referenced_vars): Remove walk state and vars_found hash table.
6671 (make_rename_temp): Use add_referenced_var.
6672 (find_vars_r): Pass less parameters to add_referenced_var.
6673 (referenced_var_p): New. Is var in referenced_var hash table.
6674 (referenced_var_insert): Assert var isn't already in hash table.
6675 (add_referenced_var): Don't need walk_state parameter. Add var if it
6676 isn't already in the hash table.
6677 (add_referenced_tmp_var): Remove.
6678 (find_new_referenced_vars_1): Use add_referenced_var.
6679 * tree-ssa-pre.c (create_expression_by_pieces,
6680 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6681 Use add_referenced_var.
6682 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6683 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6684 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6686 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6687 vect_create_data_ref_ptr, vect_create_destination_var,
6688 vect_init_vector, vect_build_loop_niters,
6689 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6690 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6691 Use add_referenced_var.
6692 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6693 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6694 (add_referenced_var): Add prototype.
6695 * tree-ssa-structalias.c (get_constraint_for,
6696 intra_create_variable_infos): Use add_referenced_var.
6698 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6700 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6701 big-endian paradoxical subregs.
6702 * var-tracking.c (struct micro_operation_def): Document that,
6703 for modify micro operations, insn is the subsequent instruction.
6704 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6705 (var_reg_set, var_mem_set): ... new functions.
6706 (add_stores): Record subsequent insn.
6707 (compute_bb_dataflow): Use new functions for MO_USE.
6708 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6709 notes after the insn, and modify notes before the insn known
6710 to be the subsequent one.
6711 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6713 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6716 * config/i386/i386.c (ix86_expand_builtin): Use
6717 gen_sse3_monitor64 for TARGET_64BIT.
6719 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6721 PR rtl-optimization/26375
6722 PR rtl-optimization/26855
6723 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6725 (df_ru_bb_local_compute): Reversed statements and removed bogus
6726 comment explaining why they should be in wrong order.
6727 (df_ru_dump, df_rd_dump): Enhanced debug info.
6728 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6730 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6731 reaching uses and fixed space problem.
6733 2006-05-23 Jan Hubicka <jh@suse.cz>
6735 * cgraphunit.c (decide_is_function_needed): Also nested functions
6736 and functions declared inline can be optimized out at -O0.
6738 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6740 * doc/install.texi (Configuration): Remove reference to CrossGCC
6744 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6747 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6748 ix86_compare_emitted is non-NULL.
6750 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6753 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6756 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6758 PR rtl-optimization/25514
6759 * combine.c (replaced_rhs_insn): New variable.
6760 (combine_instructions): Set replaced_rhs_insn when trying to replace
6761 a SET_SRC with a REG_EQUAL note.
6762 (distribute_notes): Use replaced_rhs_insn when determining the live
6763 range of a REG_DEAD register.
6765 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6766 Anatoly Sokolov <aesok@post.ru>
6768 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6769 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6770 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6771 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6772 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6773 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6774 at90usb647, at90usb1286 and at90usb1287 devices.
6775 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6776 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6778 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6780 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6782 2006-05-22 Richard Guenther <rguenther@suse.de>
6785 2006-01-31 Richard Guenther <rguenther@suse.de>
6786 Paolo Bonzini <bonzini@gnu.org>
6788 * doc/install.texi (--disable-libgcc-math): Document.
6790 2006-05-22 Richard Guenther <rguenther@suse.de>
6793 2006-01-31 Richard Guenther <rguenther@suse.de>
6795 * doc/invoke.texi (-msselibm): Document.
6796 * target.h (expand_library_builtin): New target hook.
6797 * builtins.c (expand_builtin): Use expand_library_builtin.
6798 (default_expand_library_builtin): New function.
6799 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6800 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6801 (link_gcc_math_spec): Declare.
6802 (static_specs): Add link_gcc_math_spec.
6803 * expr.h (default_expand_library_builtin): Declare.
6804 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6805 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6806 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6807 * config/i386/i386.opt (msselibm): New target option.
6808 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6809 (ix86_init_sse_abi_builtins): New function.
6810 (ix86_expand_library_builtin): Likewise.
6811 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6812 (override_options): Handle error conditions wrt -msselibm.
6813 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6814 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6815 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6818 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6821 * c-common.c (self_promoting_args_p): Skip erroneous args.
6824 * c-decl.c (finish_struct): Skip erroneous fields.
6826 2006-05-22 Nick Clifton <nickc@redhat.com>
6828 * config/cris/cris.opt (march): Remove VarExists attribute.
6829 (max-stackframe=): Likewise.
6831 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6833 * doc/rtl.texi: Fix a typo.
6834 * see.c: Fix comment typos.
6836 * tree-ssa-structalias.h (alias_info): Remove num_references.
6838 2006-05-21 Mike Stump <mrs@apple.com>
6840 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6842 (darwin_pragma_options): Use BAD instead.
6843 (darwin_pragma_unused): Likewise.
6844 (darwin_pragma_ms_struct): Likewise.
6846 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6848 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6850 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6852 PR rtl-optimization/27671
6853 * simplify-rtx.c (simplify_relational_operation_1): Fix
6854 simplifications of (eq/ne (xor x y) y) and
6855 (eq/ne (xor x y) x).
6857 PR tree-optimization/26622.
6858 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6861 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6863 * tree-cfg.c: Prune whitespace.
6864 (debug_tree_cfg): Point to correct header containing the
6867 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6870 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6872 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6875 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6876 or sorry count is non zero.
6878 2006-05-20 Andreas Schwab <schwab@suse.de>
6880 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6882 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6883 Kenneth Zadeck <zadeck@naturalbridge.com>
6885 PR rtl-optimization/26855
6887 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6889 (df_scan_alloc): Added code to properly handle multiword hard
6890 registers and add all_blocks parameter.
6891 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6892 code to properly handle multiword hard registers.
6893 (df_rescan_blocks): Added code to remove deleted blocks from
6895 (df_ref_create_structure, df_ref_record): Added code to properly
6897 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6898 and set DF_REF_PARTIAL.
6899 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6900 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6901 (df_scan_add_problem): Added flags parameter.
6902 (df_ref_create_structure): Changed switching structure.
6903 (df_bb_refs_record): Fixed case where duplicate artificial refs
6904 were created. Changed location of flags.
6905 (df_record_entry_block_defs): Added code to make stack pointer
6906 live in entry block. Refined cases where frame pointer is needed.
6907 Changed location of flags.
6908 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6909 (df_set_state): Removed function.
6910 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6911 df_insn_create_insn_record, df_insn_refs_delete,
6912 df_ref_create_structure): Formatting changes.
6913 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6914 df_delete_basic_block): New function.
6915 (df_init): Changed location of flags.
6916 (df_add_problem): Added flags parameter and the way flags are
6918 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6919 debug_df_chain): Improved debugging output.
6920 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6921 (df_refs_chain_dump): Removed df parameter.
6922 (df_iterative_dataflow): Added consistency check.
6923 (df_prune_to_subcfg): Made public.
6924 (df_analyze_problem): Added blocks_to_init parameter and made
6926 (df_ref_record, df_bb_refs_record, df_mark_reg,
6927 df_record_exit_block_uses): Whitespace changes.
6928 (df_dump): Whitespace changes.
6929 * df.h: Some reordering to remove forward references.
6930 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6931 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6932 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6933 (dataflow.flags): New field.
6934 (df.flag): Deleted field.
6935 (df_alloc_function): Added additional bitmap parameter.
6936 (df_dependent_problem_function): New type.
6937 (df_problem.changeable_flags): New field.
6938 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6939 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6940 (df_mw_hardreg): New struct.
6941 (DF_INSN_UID_MWS): New macro.
6942 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6944 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6945 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6946 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6947 (df_set_state): Removed function.
6948 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6949 * df-problems.c (df_chain_dump): Removed df parameter.
6950 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6951 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6953 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6954 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6955 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6956 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6957 DF_REF_MUST_CLOBBER cases.
6958 (df_ru_bb_local_compute_process_def,
6959 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6960 df_lr_bb_local_compute, df_ur_bb_local_compute,
6961 df_chain_create_bb): Made subreg aware.
6962 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6963 df_lr_bb_local_compute, df_lr_bb_local_compute,
6964 df_chain_create_bb): Cleanup to use proper macros.
6965 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6966 code to fixup bitvectors.
6967 (df_ri_alloc): Cleared lifetime.
6968 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6969 df_create_unused_note): New function.
6970 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6971 REG_DEAD and REG_UNUSED notes as well as register information.
6972 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6973 df_chains_dump): Fixed crash if problem was never run.
6974 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6975 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6976 df_ri_add_problem): Processes flags in uniform manner.
6977 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6978 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6979 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6980 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6981 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6982 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6983 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6984 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6985 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6986 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6987 * see.c (see_initialize_data): Ditto.
6988 * final.c (rest_of_clean_state) Added regstack_completed.
6989 * rtl.h (regstack_completed): Ditto.
6990 * reg-stack.c (regstack_completed): Ditto.
6992 2006-05-19 Mike Stump <mrs@apple.com>
6994 * c-tree.h (default_conversion): Remove.
6995 * c-common.h (default_conversion): Add.
6997 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6999 * tree-vrp.c (valid_value_p): New function.
7000 (adjust_range_with_scev): Fail if the value of bound is not
7003 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7005 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7006 (mips_fallback_frame_state): Use syscall numbers to determine
7007 the appropriate li instruction for the current ABI. Only use
7008 __NR_sigreturn for o32.
7010 2006-05-19 Nicolas Setton <setton@adacore.com>
7012 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7013 * langhooks.c (lhd_dwarf_name): New function.
7014 * langhooks-def.h (lhd_dwarf_name): Declare.
7015 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7016 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7017 * ada/misc.c (gnat_dwarf_name): New function.
7018 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7020 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7022 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7024 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7025 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7026 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7027 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7028 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7029 determine the size of Wtype, etc.
7030 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7031 (swfloatfuncs): New variable.
7032 (dwfloatfuncs): Likewise.
7033 (lib2funcs): Remove floating-point conversion functions from
7034 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7035 the set of conversion routines needed. Allow entries to specify
7036 an object name, filename and word size. Update users accordingly.
7037 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7038 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7042 2006-02-08 Roger Sayle <roger@eyesopen.com>
7045 * config/fixtfdi.c: New libgcc source file.
7046 * config/fixunstfdi.c: New source file.
7047 * config/floatditf.c: New source file.
7048 * config/floatunditf.c: New souce file.
7049 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7050 files above instead of config/mips/_tilib.c.
7051 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7053 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7055 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7056 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7058 2006-05-18 Mike Stump <mrs@apple.com>
7060 Fix up vla, vm and [*] sematics.
7066 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7067 (c_vla_unspec_p): Add.
7068 (c_vla_type_p): Add.
7069 * c-decl.c (struct c_scope): Add had_vla_unspec.
7070 (build_array_declarator): Add support for [*].
7071 (grokdeclarator): Likewise.
7072 (grokparms): Likewise.
7073 (get_parm_info): Likewise.
7074 * c-objc-common.c (c_vla_unspec_p): Likewise.
7075 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7076 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7077 typeof when argument is a variably modified type not inside sizeof or alignof.
7078 (c_parser_direct_declarator_inner): Propagate errors.
7079 (c_parser_sizeof_expression): Add support for [*].
7080 (c_parser_parms_declarator): Initialize had_vla_unspec.
7081 (c_parser_parms_list_declarator): Likewise.
7082 * c-typeck.c (c_vla_type_p): Add.
7083 (composite_type): Add support for vla compositing.
7084 (comptypes_internal): Add support for vla compatibility.
7085 (c_expr_sizeof_expr): Evaluate vla arguments.
7086 * tree.c (variably_modified_type_p): Update comment for [*].
7088 2006-05-18 Michael Matz <matz@suse.de>
7091 * config.host: Make assignments to host_xmake_file cumulative.
7092 * config.host (*-darwin*): Test $host, not $target.
7094 2006-05-12 Stuart Hastings <stuart@apple.com>
7096 * config/i386/i386.opt (-mstackrealign): New flag.
7097 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7098 (ix86_handle_cconv_attribute): Emit error when
7099 force_align_arg_pointer attribute collides with too many regparms.
7100 (ix86_function_regparm): Limit regparms when used with
7101 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7102 Support stack-realigning prologue in non-main functions. Emit
7103 warning for nested functions under -mstackrealign, emit error for
7104 nested functions with force_align_arg_pointer attribute.
7105 * doc/extend.texi (force_align_arg_pointer): Document it.
7106 * doc/invoke.texi (-mstackrealign): Document it.
7108 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7110 PR rtl-optimization/27477
7111 * combine.c (try_combine): Don't split a parallel consisting
7112 of two sets into two individual sets if both sets reference
7115 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7117 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7118 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7120 * doc/options.texi (VarExists): Updated.
7122 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7124 * unwind-dw2.c: Add declarations for uw_update_context and
7126 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7127 detected, advance frame state and context once to skip over stub.
7129 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7133 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7134 Call rewrite_into_loop_closed_ssa only when something changed.
7135 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7136 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7137 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7138 Test for perfect_nest_p here. Fix formating.
7139 (replace_uses_equiv_to_x_with_y): Fix formating.
7140 (stmt_uses_op): Removed.
7141 (can_convert_to_perfect_nest): Removed loopivs parameter.
7142 Complete the test by checking the scalar dependences.
7143 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7146 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7149 From Dan Kegel <dank@kegel.com>:
7150 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7152 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7154 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7155 if the element type is variably modified without recursing.
7157 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7160 * tree-loop-linear.c (try_interchange_loops): Test for
7161 no data dependences.
7163 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7165 PR tree-optimization/27548
7166 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7167 range of ssa names that appear on abnormal edges.
7168 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7169 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7171 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7174 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7176 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7179 * tree.h (OMP_PARALLEL_COMBINED): Define.
7180 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7181 (new_omp_context): Add is_combined_parallel argument.
7182 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7183 new_omp_context caller.
7184 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7185 Adjust gimplify_scan_omp_clauses callers.
7186 (omp_is_private): Issue errors if iteration variable is firstprivate
7187 or reduction in the current context.
7188 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7189 on combined parallel workshare constructs.
7191 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7193 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7194 (gcc-options.o): New rule.
7196 * optc-gen.awk: Protect variables for gcc-options.o with
7197 #ifdef GCC_DRIVER/#endif.
7199 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7201 Fix PR tree-optimization/27373
7202 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7203 (forward_propagate_addr_expr): Update call.
7205 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7207 * doc/options.texi: Move the Negative option.
7209 2006-05-16 Richard Guenther <rguenther@suse.de>
7211 PR tree-optimization/22303
7212 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7214 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7215 ccp_fold did not simplify the statement.
7217 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7220 * Makefile.in (GCC_OBJS): New.
7221 (OBJS-common): Add opts-common.o.
7222 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7223 (cpp$(exeext)): Likewise.
7224 (gcc.o): Also depend on opts.h.
7225 (opts-common.o): New.
7227 * common.opt (gcoff): Add Negative(gdwarf-2).
7228 (gdwarf-2): Add Negative(gstabs).
7229 (gstabs): Add Negative(gstabs+).
7230 (gstabs+): Add Negative(gvms).
7231 (gvms): Add Negative(gxcoff).
7232 (gxcoff): Add Negative(gxcoff+).
7233 (gxcoff+): Add Negative(gcoff).
7234 * config/i386/i386.opt (m32): Add Negative(m64).
7235 (m64): Add Negative(m32).
7237 * doc/options.texi: Document the Negative option.
7239 * gcc.c: Include "opts.h".
7240 (main): Call prune_options after expandargv.
7242 * optc-gen.awk: Generate common declarations for all flag
7243 variables in options.c. Output the neg_index field.
7245 * opts.c (find_opt): Moved to ...
7246 * opts-common.c: Here. New file.
7248 * opts.h (cl_option): Add a neg_index field.
7250 (prune_options): Likewise.
7252 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7255 * omp-low.c (expand_omp_parallel): Don't assert
7256 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7257 instead search for it.
7260 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7263 2006-05-16 Andreas Schwab <schwab@suse.de>
7265 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7268 2006-05-15 Roger Sayle <roger@eyesopen.com>
7271 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7272 integer constants other than zero are only legitimate on TARGET_64BIT.
7273 <CONST_VECTOR> Only zero vectors are legitimate.
7274 (ix86_cannot_force_const_mem): Integral and vector constants can
7275 always be put in the constant pool.
7277 2006-05-16 DJ Delorie <dj@redhat.com>
7279 * crtstuff.c (__dso_handle): Set section from
7280 TARGET_LBIGCC_SDATA_SECTION if defined.
7281 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7282 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7284 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7287 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7290 2006-05-16 Ben Elliston <bje@au.ibm.com>
7292 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7294 2006-05-15 Per Bothner <per@bothner.com>
7296 * tree.c: (last_annotated_node): Use source_locus typedef.
7297 This permits bootstrapping with --enable-mapped-location.
7299 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7301 PR tree-optimization/26830
7302 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7303 (info_for_ssa_name, current_info_for_ssa_name_age,
7304 blocks_to_update): New variables.
7305 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7306 (clear_ssa_name_info, initialize_flags_in_bb,
7307 mark_block_for_update): New functions.
7308 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7309 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7310 prepare_def_site_for): Use mark_block_for_update.
7311 (mark_def_interesting): Assert that the processed block is marked in
7312 blocks_to_update. Do not take blocks argument.
7313 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7315 (rewrite_update_init_block, rewrite_update_stmt): Only process
7316 blocks with statements to rewrite.
7317 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7318 (update_ssa): Initialize and free blocks_to_update. Do not
7319 clear flags on statements. Do not use blocks bitmap.
7320 * tree.h (SSA_NAME_AUX): Removed.
7321 (struct tree_ssa_name): Removed aux field.
7322 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7324 2006-05-15 Richard Guenther <rguenther@suse.de>
7326 PR tree-optimization/27603
7327 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7328 Do computations in original type.
7330 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7332 * see.c: Code style changes such as redundant paranthesis,
7333 redundant intialization of local variables etc.
7334 (see_main): Declared now as static.
7335 * doc/invoke.texi: Update that -fsee is not enabled by
7338 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7340 * omp-low.c (check_omp_nesting_restrictions): New function.
7341 (scan_omp_1): Call it.
7344 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7345 construct, return *VAR.
7347 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7349 PR rtl-optimization/27406
7350 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7353 2006-05-14 Roger Sayle <roger@eyesopen.com>
7355 PR rtl-optimization/27538
7356 * combine.c (expand_compound_operation): Call gen_lowpart
7357 before calling simplify_shift_const.
7359 2006-05-14 Roger Sayle <roger@eyesopen.com>
7361 PR rtl-optimization/22563
7362 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7363 a fixed width bitfield, always force the intermediates into psuedos.
7365 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7368 * mkconfig.sh: Use operator = instead of == for test.
7370 2006-05-13 Nick Clifton <nickc@redhat.com>
7372 * dwarf2out.c (dbx_reg_number): Check return value from
7373 LEAF_REG_REMAP and only use it if it is valid.
7374 (multiple_reg_loc_descriptor): Likewise.
7376 2006-05-13 Richard Guenther <rguenther@suse.de>
7378 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7381 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7383 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7384 information attached to non-INSNs such as NOTEs.
7385 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7387 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7389 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7391 * config/s390/s390.md: Adjust comment describing On constraint.
7393 2006-05-11 Jan Hubicka <jh@suse.cz>
7395 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7396 to be output at -O0.
7398 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7401 * fold-const.c (size_binop): Move sanity check for arguments to
7402 the beginning of the function.
7405 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7408 2006-05-11 Richard Guenther <rguenther@suse.de>
7411 * fold-const.c (fold_unary): Handle intermediate conversion
7412 to a pointer type like intermediate conversion to an integer
7413 type in folding of (T1)(T2)var to var.
7414 Match the code to the comment in the final conversion for
7415 (T1)(T2)var to (T1)var regarding to type precision. Rather
7416 than disallow T1 being of pointer type, assert that both T1
7417 and var are of pointer type or not. Make sure not to fall
7418 over the frontends lazyness wrt array to pointer decay though.
7420 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7422 * arm.c (arm_struct_value_rtx): Delete.
7423 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7424 (arm_init_cumulative_args): Always initialize nregs to zero.
7426 2006-05-10 Richard Guenther <rguenther@suse.de>
7428 PR tree-optimization/27532
7429 * tree-object-size.c (plus_expr_object_size): Fix typo.
7431 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7434 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7435 ashrdi_const, ashrdi3): Use a scratch register.
7437 2006-05-10 Richard Guenther <rguenther@suse.de>
7439 PR tree-optimization/27302
7440 * fold-const.c (operand_equal_p): For two comparisons,
7441 try comparison of one comparison code swapped if that yields
7444 2006-05-10 Ben Elliston <bje@au.ibm.com>
7446 * tree-pretty-print.c (pretty_print_string): No need to handle
7447 '\0' as a special character.
7449 * tree.h: Include "hashtab.h".
7450 (iterative_hash_expr): Use hashval_t in its prototype.
7451 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7453 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7456 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7457 (hppa*64*-*-hpux11*): Ditto.
7458 (hppa[12]*-*-hpux11*): Ditto.
7460 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7463 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7465 2006-05-09 Michael Matz <matz@suse.de>
7467 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7468 host_extra_gcc_objs and host_xmake_file.
7469 (<*-*-linux*>): Don't overwrite host_xmake_file.
7470 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7471 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7472 (host_detect_local_cpu): Declare.
7473 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7474 * config/i386/i386.c (override_options): Handle -mtune=native
7476 * config/i386/x-i386: New file.
7477 * config/i386/driver-i386.c: New file.
7478 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7481 2006-05-09 Dirk Mueller <dmueller@suse.de>
7482 Richard Guenther <rguenther@suse.de>
7485 * fold-const.c (fold_read_from_constant_string): Relax check
7486 for matching types to matching modes.
7488 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7490 PR rtl-optimization/27335
7491 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7494 2006-05-08 Chao-ying Fu <fu@mips.com>
7495 Richard Sandiford <richard@codesourcery.com>
7497 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7498 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7499 * config/mips/mips.md (UNSPEC_SCC): New constant.
7500 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7501 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7502 (mips_emit_compare): Use it.
7503 (mips_expand_vcondv2sf): New function.
7505 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7507 Fix PR tree-optimization/27093
7508 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7509 renaming when they become not-used_alone.
7511 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7513 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7514 relocation and relocation stubs.
7516 2006-05-08 Eric Christopher <echristo@apple.com>
7518 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7521 2006-05-08 Jan Hubicka <jh@suse.cz>
7524 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7525 unused static functions are needed.
7527 2006-05-08 Roger Sayle <roger@eyesopen.com>
7530 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7531 of a reg_equiv_constant if the result is a legitimate constant.
7533 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7536 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7537 standard 80387 constants, raise the cost to prevent
7538 compress_float_constant() to generate load from memory.
7540 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7542 * config/arm/constraints.md (c): Fix a typo.
7544 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7547 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7550 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7552 (_mm_mwait): Likewise.
7554 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7556 (sse3_monitor): Make it 32bit only.
7557 (sse3_monitor64): New. 64bit monitor.
7559 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7562 * config/i386/i386.c (classify_argument): Skip fields with invalid
7565 2006-05-07 Richard Guenther <rguenther@suse.de>
7567 PR tree-optimization/27409
7568 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7569 Do not try to find zero-sized subvars.
7571 2006-05-07 Richard Guenther <rguenther@suse.de>
7573 PR tree-optimization/27136
7574 * tree-ssa-loop-niter.c (get_val_for): Correct function
7575 comment, assert requirements.
7576 (loop_niter_by_eval): Stop processing if the iterated
7577 value did not simplify.
7579 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7581 * opts.c (flag_see): remove its setting at -O3.
7583 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7585 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7586 * arm/constraints.md: New file.
7587 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7588 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7589 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7590 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7591 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7592 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7593 * arm.md: Include constraints.md.
7594 (thumb_movsi_insn): Use satisfies_constraint_J.
7595 (movhi, movqi): Use satisfies_constraint_I.
7597 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7599 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7600 for atmeg a645 device.
7602 2006-05-06 Richard Guenther <rguenther@suse.de>
7604 PR tree-optimization/27151
7605 * tree-vect-transform.c (vectorizable_condition): Punt on
7606 values that have a different type than the condition.
7608 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7611 * c-parser.c (c_parser_cast_expression): Only insert casts into
7612 hash table if pointer.
7613 * function.c (used_types_insert_helper): Rename from
7615 (used_types_insert): Call used_types_insert_helper.
7616 * function.h (used_types_insert): Accept only one argument.
7618 2006-05-05 David Edelsohn <edesohn@gnu.org>
7620 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7621 scratch with output modifier.
7623 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7626 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7627 with output modifier.
7629 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7632 * config/mips/mips.c (mips_symbolic_address_p): Return true
7633 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7634 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7636 2006-05-04 Richard Guenther <rguenther@suse.de>
7638 PR tree-optimization/14287
7639 PR tree-optimization/14844
7640 PR tree-optimization/19792
7641 PR tree-optimization/21608
7642 PR tree-optimization/27090
7643 * tree-ssa-pre.c (try_combine_conversion): New function.
7644 (compute_avail): After constructing the value-handle
7645 expression, use try_combine_conversion to combine NOP_EXPRs
7646 with previous value-handle expressions and use the result if it
7649 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7651 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7653 2006-05-04 Jan Hubicka <jh@suse.cz>
7656 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7658 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7660 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7661 that this only matches CONST_INTs. All users changed to VOIDmode
7664 * config/bfin/bfin.c: Include "optabs.h".
7665 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7667 (enum bfin_builtins): Add a number of fractional and vector builtins.
7668 (bfin_init_builtins): Likewise.
7669 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7670 (safe_vector_operand, bfin_expand_binop_builtin,
7671 bfin_expand_unop_builtin): New functions.
7672 (bfin_expand_builtin): Handle the new builtins.
7673 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7676 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7679 * Makefile.in (OBJS-common): Add see.o.
7680 (see.o): Add dependencies.
7681 * common.opt (fsee): New flag for the see optimization was added.
7682 * opts.c (flag_see): Initialized.
7683 * passes.c (init_optimization_passes, pass_see): New pass.
7684 * rtl.h (see_main): Declaration as extern.
7685 * timevar.def (TV_SEE): New.
7686 * tree-pass.h (pass_see): Declaration as extern.
7687 * invoke.texi (-fsee): Document.
7688 * recog.c (validate_simplify_insn): New function.
7689 * recog.h (validate_simplify_insn): Declaration as extern.
7690 * df-problems.c (df_chain_dump): Check for NULL.
7692 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7693 Daniel Berlin <dberlin@dberlin.org>
7695 * cfgrtl.c (insert_insn_bb_end_new): New function.
7696 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7698 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7700 * df.h (struct web_entry): Moved from web.c.
7701 (union_defs): Declaration as extern.
7702 (unionfind_root): Likewise.
7703 (unionfind_union): Likewise.
7704 * web.c (struct web_entry): Moved to df.h.
7705 (unionfind_root): Remove static declaration.
7706 (unionfind_union): Likewise.
7707 (union_defs): Likewise and generalize to use callback function.
7708 (web_main): Update arguments for union_defs function call.
7710 2006-05-04 Richard Guenther <rguenther@suse.de>
7712 PR tree-optimization/26447
7713 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7714 produce SSA_NAME copies before the store stmt to avoid
7715 breaking exception handling.
7717 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7720 * gimplify.c (omp_is_private): If var is shared in some outer context,
7721 return false instead of true. Stop searching on parallel context
7724 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7727 * coverage.c: Use get_gcov_unsigned_t() instead of
7728 unsigned_type_node all over.
7730 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7732 PR tree-optimization/27381
7733 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7734 maintain the same immediate_use links.
7735 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7736 node rather than segfaulting.
7738 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7741 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7742 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7743 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7745 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7747 Fix PR tree-optimization/26626
7748 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7750 * tree-ssa-operands.c (access_can_touch_variable): Allow
7751 typecasting through union pointers.
7753 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7756 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7757 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7758 to find if var will be a global variable even in the nested context.
7759 (omp_copy_decl): Only check for global variable at the end, it might
7760 be overridden in outer contexts.
7761 (scan_sharing_clauses): For global variables don't create a field.
7762 (lower_rec_input_clauses): Do nothing for global shared variables.
7763 Emit a barrier at the end of ILIST if there were any decls in both
7764 firstprivate and lastprivate clauses.
7765 (lower_send_clauses): Do nothing for global variables except for
7768 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7770 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7771 of the correct signedness is returned.
7773 2006-05-02 Jeff Law <law@redhat.com>
7775 PR tree-optimization/27364
7776 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7777 multiply expressions.
7779 2006-05-02 Tom Tromey <tromey@redhat.com>
7781 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7783 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7786 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7787 -mthumb -fPIC are used.
7789 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7790 Joshua Kinard <kumba@gentoo.org>
7793 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7794 with 64-bit pointers.
7796 2006-05-02 Paul Brook <paul@codesourcery.com>
7798 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7800 (create_fix_barrier): Check that a suitable barrier location is
7802 (arm_reorg): Include ftmp->address in allowable range of addresses.
7804 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7807 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7810 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7813 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7814 around RESULT_DECL for result passed by reference.
7815 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7816 * omp-low.c (use_pointer_for_field): Don't look at
7817 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7818 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7819 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7820 time or var for passing by reference for
7821 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7822 TREE_ADDRESSABLE variables when passing by reference.
7824 * omp-low.c (dump_omp_region): Fix output formatting.
7827 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7828 (expand_omp_parallel): Likewise.
7829 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7832 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7833 on statement list containing also constructors and destructors.
7834 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7837 * except.c (duplicate_eh_regions): Fix clearing of
7838 cfun->eh->region_array entries.
7840 2006-05-01 DJ Delorie <dj@redhat.com>
7842 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7844 (gcc_cv_objdump): Likewise.
7845 * configure: Regenerated.
7847 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7850 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7851 templates for case 3 and 4.
7853 2006-05-01 DJ Delorie <dj@redhat.com>
7855 * vec.c: Include bconfig.h when appropriate.
7856 * Makefile.in (build/vec.o): Adjust dependencies.
7857 * mkconfig.sh: Make sure config.h isn't used for build machine
7860 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7862 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7864 (mark_phi_for_rewrite): New function.
7865 (insert_phi_nodes_for, mark_use_interesting): Call
7866 mark_phi_for_rewrite.
7867 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7868 (update_ssa): Initialize and free phis_to_rewrite.
7870 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7872 PR rtl-optimization/27291
7873 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7874 folded to a constant.
7876 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7878 PR tree-optimization/27283
7879 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7880 not whole # of iteration descriptions.
7881 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7882 uses abnormal ssa name.
7883 (niter_for_single_dom_exit): Ditto.
7884 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7885 return just the number of iterations.
7887 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7889 PR tree-optimization/27144
7890 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7891 (record_estimate): Only record constant upper bound.
7892 (infer_loop_bounds_from_undefined): Call
7893 compute_estimated_nb_iterations just once.
7894 (proved_non_wrapping_p): Renamed to ...
7895 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7896 (convert_step_widening, scev_probably_wraps_p): Call
7897 n_of_executions_at_most instead of proved_non_wrapping_p.
7898 (substitute_in_loop_info): Do not replace values in bounds.
7899 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7902 2006-05-01 Richard Henderson <rth@redhat.com>
7905 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7906 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7909 2006-05-01 Roger Sayle <roger@eyesopen.com>
7911 * c-typeck.c (parser_build_binary_op): Don't call the function
7912 unsigned_conversion_warning to spot operand/result type overflow.
7913 (build_binary_op): Instead, call convert_and_check instead of
7914 convert to report the problem when the operands are promoted.
7915 * c-common.c (unsigned_conversion_warning): Make static.
7916 * c-common.h (unsigned_conversion_warning): Delete prototype.
7918 2006-05-01 Richard Guenther <rguenther@suse.de>
7920 PR tree-optimization/26726
7921 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7923 (find_interesting_uses_address): ... we work around here
7924 by folding INDIRECT_REFs in the substituted base.
7926 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7928 * omp-low.c (dump_omp_region): Add newlines.
7930 2006-04-30 Roger Sayle <roger@eyesopen.com>
7932 * common.opt (Woverflow): New command line option.
7933 * c-common.c (constant_expression_warning): Check warn_overflow.
7934 (overflow_waring): Pass OPT_Woverflow to warning.
7935 (unsigned_conversion_warning): Likewise.
7936 (convert_and_check): Likewise.
7937 * doc/invoke.texi: Document new command line option.
7939 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7941 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7942 TARGET_NO_FP_IN_TOC for section anchors.
7943 (optimization_options): Enable section anchors for all
7944 non-"Objective" languages.
7946 2006-04-28 Eric Christopher <echristo@apple.com>
7948 * config/darwin-c.c (darwin_ms_struct): Move this
7949 (darwin_set_default_type_attributes): and this...
7950 * config/darwin.c: ... here.
7951 * config/darwin.h (darwin_ms_struct): Declare.
7953 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7955 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7957 2006-04-28 Roger Sayle <roger@eyesopen.com>
7960 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7961 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7962 an unsigned HOST_WIDE_INT.
7963 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7965 (really_start_incremental_init): No need to call convert because
7966 bitsize_zero_node is already of type bitsizetype.
7967 (push_init_level): Extract the value of constructor_index as an
7968 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7969 (process_init_element): Likewise.
7971 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7973 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7974 value before passing to make_relative_prefix.
7976 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7979 * builtins.c (expand_builtin_memset): Expand val in original mode.
7981 2006-04-27 Eric Christopher <echristo@apple.com>
7983 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7984 with #ifndef/#endif.
7985 * config/darwin-c.c (darwin_ms_struct): New.
7986 (darwin_pragma_ms_struct): Ditto.
7987 (darwin_set_default_type_attributes): Ditto.
7988 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7989 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7990 Register ms_struct pragma.
7991 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7992 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7993 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7994 darwin_set_default_type_attributes if TARGET_MACHO.
7996 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7998 PR tree-optimization/26854
7999 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8000 * doc/tree-ssa.texi: Update immuse iterator documentation.
8001 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8002 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8003 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8004 first_safe_imm_use, next_safe_imm_use): Remove.
8005 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8006 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8007 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8008 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8009 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8010 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8011 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8012 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8013 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8014 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8015 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8016 (perfect_nestify): Use new iterator.
8017 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8019 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8020 (next_imm_name): New field in struct immediate_use_iterator_d.
8021 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8022 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8023 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8024 * tree-cfg.c (replace_uses_by): Use new iterator.
8025 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8026 * tree-ssa-operands.c (correct_use_link): Remove.
8027 (finalize_ssa_use_ops): No longer call correct_use_link.
8029 2006-04-27 Stuart Hastings <stuart@apple.com>
8031 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8032 * config/t-darwin (crt3.o): Use it.
8033 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8034 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8035 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8036 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8037 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8040 2006-04-27 Roger Sayle <roger@eyesopen.com>
8042 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8043 size, force the intermediate into a new pseudo rather instead of
8044 performing both a bitwise AND and a bitwise IOR in memory.
8046 2006-04-27 Richard Guenther <rguenther@suse.de>
8048 PR rtl-optimization/26685
8049 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8050 this one "max-flow-memory-locations".
8052 2006-04-27 Richard Guenther <rguenther@suse.de>
8054 PR tree-optimization/25148
8055 * tree-vrp.c (compare_values): Remove code dealing with
8056 comparisons against type min/max value. Honour overflow
8057 and negative constants in code dealing with comparisons
8058 of plus and minus expressions.
8059 (value_inside_range): Use fold_binary with LE_EXPR and
8060 GE_EXPR rather than compare_values.
8062 2006-04-27 Dirk Mueller <dmueller@suse.de>
8064 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8067 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8069 * basic-block.h (safe_insert_insn_on_edge): Removed.
8070 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8072 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8073 Paolo Bonzini <bonzini@gnu.org>
8076 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8077 (simplify_and_const_int): Same.
8079 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8081 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8083 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8086 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8087 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8088 cgraph_global_info_ready.
8091 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8094 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8095 either decl or init is error_mark_node.
8098 * tree-flow.h (struct omp_region): Add sched_kind.
8099 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8100 instead of extracting omp for data.
8101 (expand_omp_for): Save extracted sched_kind.
8103 2006-04-25 Roger Sayle <roger@eyesopen.com>
8105 * expmed.c (store_bit_field): Also check whether the bitsize is
8106 valid for the machine's "insv" instruction before moving the
8107 target into a pseudo for use with the insv.
8108 * config/i386/predicates.md (const8_operand): New predicate.
8109 * config/i386/i386.md (extv, extzv, insv): Use the new
8110 const8_operand predicate where appropriate.
8112 2006-04-25 DJ Delorie <dj@redhat.com>
8114 * doc/install.texi (Specific): Clarify that this is not a list of
8115 supported hosts or targets.
8117 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8119 PR rtl-optimization/26725
8120 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8121 block's BB_DIRTY flag.
8123 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8125 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8128 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8129 to print an integer.
8131 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8133 * varasm.c (align_variable): New function.
8134 (get_block_for_decl): Apply align_variable to DECL before
8135 calculating section information.
8136 (assemble_variable): Split out alignment computation.
8138 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8140 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8143 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8145 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8146 MODE_PARTIAL_INT mode.
8147 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8148 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8150 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8151 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8153 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8155 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8157 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8158 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8159 MACFLAG_IH): Likewise.
8160 (movstricthi_1): Renamed from "*movstricthi".
8161 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8162 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8163 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8164 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8165 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8166 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8167 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8168 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8169 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8170 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8171 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8172 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8173 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8174 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8175 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8177 * doc/rtl.texi (ss_ashift): Improve wording.
8179 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8181 * dwarf2out.c (verify_marks_clear): New.
8182 (prune_unused_types): Call verify_marks_clear initially, not
8185 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8187 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8188 * doc/rtl.texi: Document them.
8189 * simplify-rtx.c (simplify_unary_operation,
8190 simplify_binary_operation_1): Don't abort when we see them.
8192 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8195 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8196 * configure.ac: Completely disregard languages that are not
8198 * configure: Regenerated.
8200 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8201 Richard Guenther <rguenther@suse.de>
8203 PR tree-optimization/27236
8204 * tree-inline.c (copy_body_r): Make sure to copy
8205 TREE_THIS_VOLATILE flag.
8207 2006-04-24 Richard Guenther <rguenther@suse.de>
8210 * tree-complex.c (update_parameter_components): Don't handle
8211 unused parameters which have no default def.
8213 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8214 Richard Guenther <rguenther@suse.de>
8216 PR tree-optimization/27218
8217 * tree-inline.c (expand_call_inline): Strip useless type
8218 conversions for the return slot address.
8220 2006-04-24 Richard Guenther <rguenther@suse.de>
8222 * cfgloop.h (struct loops): Remove unused field array. Reorder
8224 (LOOP_PREFETCH): Remove.
8226 2006-04-24 Richard Guenther <rguenther@suse.de>
8228 PR tree-optimization/22525
8229 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8230 variable, adjust types of generated expressions.
8232 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8234 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8235 (tree-vect-patterns.o): Likewise.
8237 (cselib.o): Likewise.
8238 (loop-doloop.o): Likewise.
8239 (regclass.o): Likewise.
8240 (reload1.o): Likewise.
8241 (explow.o): Replace target.h with $(TARGET_H).
8242 (ipa-prop.o): Likewise.
8243 (ipa-cp.o): Likewise.
8244 (ipa-inline.o): Likewise.
8245 (reorg.o): Likewise.
8246 (reg-stack.o): Likewise.
8248 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8250 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8252 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8254 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8256 * configure.ac: Completely disregard languages that are not
8258 * configure: Regenerated.
8261 * c-common.h (c_build_bitfield_integer_type): Declare.
8262 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8263 * c-common.c (c_build_bitfield_integer_type): ... here.
8265 2006-04-23 Roger Sayle <roger@eyesopen.com>
8268 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8269 a SImode SUBREG of a floating point register after no_new_pseudos.
8271 2006-04-23 Roger Sayle <roger@eyesopen.com>
8273 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8274 identify potentially eliminable registers to additionally catch
8275 VIRTUAL_INCOMING_ARGS_REGNUM.
8276 (addsi3): Update the conditions on when to use addsi_small_int.
8278 2006-04-23 Roger Sayle <roger@eyesopen.com>
8281 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8282 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8283 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8285 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8287 * fold-const.c (range_predecessor): Use operand_equal_p
8288 as the predicate for equality.
8289 (range_successor): Likewise.
8291 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8294 * config/soft-fp/op-common.h: Fix a typo.
8296 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8299 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8300 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8302 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8304 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8306 * doc/tm.texi: Fix a typo.
8308 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8310 * dwarf2out.c (struct die_struct): Document that die_sib makes
8311 a circular linked list.
8312 (FOR_EACH_CHILD): New.
8313 (reverse_die_lists): Delete.
8314 (reverse_all_dies): Delete.
8315 (add_dwarf_attr): Correct documentation.
8316 (remove_child_with_prev): New.
8317 (remove_child_TAG): Update for change to die_struct, use
8318 remove_child_with_prev.
8319 (add_child_die): Update for change to die_struct.
8320 (splice_child_die): Use remove_child_with_prev and add_child_die.
8321 (print_die): Use FOR_EACH_CHILD.
8322 (die_checksum): Likewise.
8323 (assign_symbol_names): Likewise.
8324 (output_location_lists): Likewise.
8325 (build_abbrev_table): Likewise.
8326 (calc_die_sizes): Likewise.
8327 (mark_dies): Likewise.
8328 (unmark_dies): Likewise.
8329 (unmark_all_dies): Likewise.
8330 (output_die): Likewise.
8331 (prune_unused_types_mark): Likewise.
8332 (prune_unused_types_walk): Likewise.
8333 (same_die_p): Update for change to die_struct.
8334 (break_out_includes): Likewise.
8335 (prune_unused_types_prune): Likewise.
8336 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8337 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8339 (dwarf2out_finish): Don't call reverse_all_dies.
8341 2006-04-21 Eric Christopher <echristo@apple.com>
8343 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8344 in comments and function names.
8346 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8349 * c-typeck.c (digest_init): Robustify.
8351 * c-typeck.c (pop_init_level): Simplify.
8353 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8355 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8357 2006-04-21 Paul Brook <paul@codesourcery.com>
8359 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8360 hardware floating point.
8362 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8364 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8367 2006-04-21 Nick Clifton <nickc@redhat.com>
8369 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8372 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8375 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8376 C++ lang type in traceback table for Objective-C++.
8378 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8380 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8382 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8384 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8387 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8388 were errors. Remove check for erroneous objects.
8390 2006-04-20 Jeff Law <law@redhat.com>
8392 PR tree-optimization/26854
8393 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8394 checking for zero or one use.
8395 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8396 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8397 * tree-ssa-reassoc.c (negate_value): Similarly.
8398 (reassociate_bb): Similarly.
8400 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8402 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8403 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8404 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8406 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8408 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8409 fp regs if the last fp arg doesn't fit in regs.
8411 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8414 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8415 that the last insn has the REG_INC note.
8417 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8418 Nathan Sidwell <nathan@codesourcery.com>
8421 * stor-layout.c (update_alignment_for_field): Do not align
8423 (place_union_field): Place union field at the start of the union.
8424 (place_field): Move ERROR_MARK check later, and use the current
8425 allocation position to maintain monotonicity.
8427 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8429 * dominance.c: Include timevar.h.
8430 (calculate_dominance_info): Use TV_DOMINANCE.
8431 * timevar.def (TV_DOMINANCE): New timevar.
8432 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8434 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8436 PR rtl-optimization/14261
8437 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8438 move would be an INSV insn.
8439 (noce_process_if_block): Don't optimize if the destination is a
8440 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8442 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8444 * config/s390/s390.md: Add comments with the instructions emitted
8445 by an insn pattern if macros are used.
8447 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8449 PR rtl-optimization/26026
8450 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8451 is a known power of two shifted left a variable amount.
8453 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8455 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8456 to hash table twice when the debug_str section has SECTION_MERGE.
8458 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8460 * config/soft-fp: New directory. From glibc.
8461 * config/soft-fp/t-softfp: New.
8462 * config/soft-fp/README: New.
8463 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8464 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8465 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8466 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8467 * config.gcc: Use rs6000/t-fprules-fpbit or
8468 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8470 * config/rs6000/sfp-machine.h: New. Based on glibc.
8471 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8473 * config/rs6000/t-fprules: Remove fp-bit rules.
8474 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8475 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8476 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8477 (softfp_wrap_start, softfp_wrap_end): New.
8479 2006-04-18 DJ Delorie <dj@redhat.com>
8481 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8483 2006-04-18 Devang Patel <dpatel@apple.com>
8485 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8487 2006-04-18 Nick Clifton <nickc@redhat.com>
8489 * config/sh/t-symbian: Add rule to build sh-c.o
8490 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8491 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8492 (sh_symbian_encode_section_info): Likewise.
8494 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8496 * builtins.c (expand_builtin_strcmp): Cover label definition of
8497 do_libcall with HAVE_cmpstrnsi.
8499 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8501 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8503 * function.h (temp_slot_p): New.
8504 (function): Change the type of x_used_temp_slots to
8505 VEC(temp_slot_p,gc) *.
8507 2006-04-18 Nick Clifton <nickc@redhat.com>
8509 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8510 flag_strength_reduce.
8512 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8514 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8518 Partial revert of revision 112637
8519 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8520 Dale Johannesen <dalej@apple.com>
8523 * regclass.c (struct reg_pref): Update documentation.
8524 (regclass): Set prefclass to NO_REGS if memory is the best option.
8525 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8527 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8529 PR tree-optimization/26821
8530 * tree-ssa-math-opts.c (get_constant_one): New.
8531 (insert_reciprocals): Use it.
8533 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8535 * dwarf2out.c (free_AT): Delete.
8536 (remove_AT): Update string ref counts.
8537 (remove_child_TAG): Don't call free_die.
8539 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8540 or DW_TAG_GNU_EINCL.
8541 (prune_unused_types_walk_attribs): Reset string refcounts.
8542 (prune_unused_types_update_strings): New.
8543 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8544 call free_die. Do call prune_unused_types_update_strings.
8545 (prune_unused_types): Empty debug_str_hash.
8547 2006-04-17 Roger Sayle <roger@eyesopen.com>
8549 * expr.c (expand_assignment): Optimize away no-op moves where the
8550 source and destination are equal and have no side-effects.
8552 2006-04-17 Richard Guenther <rguenther@suse.de>
8555 * reload.c (push_reload): Guard calls to get_secondary_mem
8558 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8560 * alias.c (reg_base_value, old_reg_base_value): Change the
8561 type to VEC(rtx,gc) *.
8562 (REG_BASE_VALUE, find_base_value, record_set,
8563 init_alias_analysis): Use VEC instead of VARRAY.
8565 * alias.c (alias_sets): Change the type to
8566 VEC(alias_set_entry,gc) *.
8567 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8568 VEC instead of VARRAY.
8569 (last_alias_set): Remove.
8571 * cgraph.h (cgraph_edge_p): New.
8572 Update the prototype of cgraph_function_versioning.
8573 * cgraphunit.c (cgraph_copy_node_for_versioning,
8574 cgraph_function_versioning): Use VEC instead of VARRAY.
8575 * ipa-cp.c (ipcp_insert_stage): Likewise.
8577 2006-04-16 Roger Sayle <roger@eyesopen.com>
8580 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8581 "A op B" or "A op C", we may need to convert A to the type of B and C.
8583 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8585 * target.h (struct gcc_target): Add mode_rep_extended.
8586 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8587 (init_num_sign_bit_copies_in_rep): Initialize it using
8589 (truncate_to_mode): Use it.
8590 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8591 * targhooks.h (default_mode_rep_extended): Declare it.
8592 * targhooks.c (default_mode_rep_extended): Define it.
8593 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8594 default_mode_rep_extended.
8595 (TARGET_INITIALIZER): Include it.
8596 * doc/tm.texi (Misc): Document it.
8597 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8598 (mips_truncated_to_mode): New function.
8600 2006-04-16 Roger Sayle <roger@eyesopen.com>
8603 * expr.c (compress_float_constant): Copy the narrow constant into
8604 a new pseudo before extending it to its final width.
8606 2006-04-16 Roger Sayle <roger@eyesopen.com>
8607 Andrew Pinski <pinskia@gcc.gnu.org>
8608 Dale Johannesen <dalej@apple.com>
8611 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8612 special case code to implement V8HImode and V16QImode with SSE2.
8614 2006-04-15 Roger Sayle <roger@eyesopen.com>
8616 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8617 trees are constructed with a suitable tree type.
8619 2006-04-15 Roger Sayle <roger@eyesopen.com>
8621 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8622 (integer_onep): Likewise.
8623 (integer_all_onesp): Likewise.
8624 (integer_pow2p): Likewise.
8625 (integer_nonzerop): Likewise.
8626 (real_zerop): Likewise.
8627 (real_onep): Likewise.
8628 (real_twop): Likewise.
8629 (real_minus_onep): Likewise.
8630 (int_size_in_bytes): Likewise.
8631 (host_integerp): Likewise.
8633 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8635 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8636 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8637 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8639 * tree-ssa-structalias.h (alias_info): Remove num_references.
8641 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8643 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8644 (output_bvb patterns): Likewise.
8645 * pa.c (output_bb): Use 'bb' insn for long branch case.
8646 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8647 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8648 1. Correct length operand for alternatives 1 and 2.
8649 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8650 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8652 2006-04-14 Roger Sayle <roger@eyesopen.com>
8654 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8655 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8656 were accidentally reverted by r112959.
8658 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8661 * except.h (eh_region_outermost): New prototype.
8662 * except.c (eh_region_outermost): New function.
8663 * tree-cfg.c (find_outermost_region_in_block): Use it.
8665 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8667 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8669 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8670 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8671 (init_reload, reload): Use VEC instead of VARRAY.
8672 * reload.h: Update the prototype for
8673 reg_equiv_memory_loc_varray.
8675 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8676 Eric Botcazou <ebotcazou@libertysurf.fr>
8678 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8681 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8684 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8685 to expand fallback builtin function call.
8687 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8690 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8691 and emit libcall here in case the builtin fails.
8692 (expand_builtin_strcmp): Always emit the libcall here on failure.
8694 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8696 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8697 * flow.c (reg_n_info): Change the type to
8698 VEC(reg_info_p,heap) *.
8699 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8701 * regs.h (reg_info_p): New.
8702 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8703 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8704 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8707 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8709 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8711 * params.h (MAX_SCHED_READY_INSNS): New macro.
8712 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8713 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8714 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8715 the ready list for 1 cycle during the first scheduling pass.
8716 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8718 2006-04-13 Richard Henderson <rth@redhat.com>
8721 * gimple-low.c (lower_omp_directive): Remove dead code.
8722 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8723 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8724 * omp-low.c (struct omp_region): Move to tree-flow.h.
8725 (root_omp_region): Export.
8726 (omp_regions, lookup_omp_region): Remove.
8727 (determine_parallel_type): Update for struct omp_region changes.
8728 (dump_omp_region): Dump regions with block numbers.
8729 (new_omp_region): Take type and block instead of stmt; malloc
8731 (free_omp_region_1, free_omp_regions): New.
8732 (expand_parallel_call): Take entry_stmt as argument; update for
8733 changes to omp_region.
8734 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8735 (remove_exit_barriers): New.
8736 (expand_omp_parallel): Update for struct omp_region changes.
8737 (expand_omp_synch): Likewise.
8738 (expand_omp): Likewise.
8739 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8740 (expand_omp_for_static_chunk): Likewise.
8741 (expand_omp_for): Likewise.
8742 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8743 (expand_omp_sections): Similarly, with GOMP_sections_end.
8744 (expand_omp_single): New.
8745 (build_omp_regions_1): Update for OMP_CONTINUE.
8746 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8747 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8748 OMP_SECTIONS_SECTIONS.
8749 (lower_omp_single_simple): Don't emit barrier here.
8750 (lower_omp_single_copy): Likewise.
8751 (lower_omp_single): Fix bindings, and lower to straightline now.
8752 (lower_omp_master, lower_omp_ordered): Likewise.
8753 (lower_omp_critical): Likewise.
8754 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8755 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8756 omp edges, free it afterward.
8757 (make_omp_sections_edges): Remove.
8758 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8759 (move_stmt_r): Handle OMP_CONTINUE.
8760 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8761 statement pointers to basic blocks. Add type member.
8762 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8763 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8764 * tree-inline.c (estimate_num_insns_1): Likewise.
8765 * tree-pretty-print.c (dump_generic_node): Likewise.
8766 * tree-ssa-operands.c (get_expr_operands): Likewise.
8767 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8768 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8769 (OMP_CONTINUE): New.
8770 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8771 (OMP_SECTIONS_SECTIONS): Remove.
8772 (OMP_SECTION_LAST): New.
8773 (OMP_RETURN_NOWAIT): New.
8775 2006-04-13 Roger Sayle <roger@eyesopen.com>
8777 * fold-const.c (native_encode_vector, native_interpret_real):
8778 Correct obvious mistakes in the previous check-in.
8780 2006-04-13 Roger Sayle <roger@eyesopen.com>
8782 * fold-const.c (native_encode_expr): New function to encode
8783 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8784 or VECTOR_CST into a specified buffer.
8785 (native_encode_int): New function.
8786 (native_encode_real): New function.
8787 (native_encode_complex): New function.
8788 (native_encode_vector): New function.
8789 (native_interpret_expr): Inverse of native_encode_expr to convert
8790 a target representation into an INTEGER_CST, REAL_CST etc...
8791 (native_interpret_int): New function.
8792 (native_interpret_real): New function.
8793 (native_interpret_complex): New function.
8794 (native_interpret_vector): New function.
8795 (fold_view_convert_expr): New function to constant fold/evaluate
8796 a VIEW_CONVERT_EXPR of a suitable constant expression.
8797 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8798 Change call of build1 to fold_build1 when constructing a
8801 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8802 Ulrich Weigand <uweigand@de.ibm.com>
8805 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8808 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8811 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8812 optimize to lo_sum for DFmode if !TARGET_FPRS.
8814 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8816 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8817 delete_alias_info, compute_flow_sensitive_aliasing,
8818 group_aliases): Use VEC instead of VARRAY.
8819 * tree-ssa-structalias.c (update_alias_info): Likewise.
8820 * tree-ssa-structalias.h (alias_info): Change the type of
8821 processed_ptrs to VEC(tree,heap) *.
8823 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8826 * config/sh/lib1funcs.h: New file, broken out of:
8827 * config/sh/lib1funcs.asm.
8828 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8830 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8831 * config/sh/lib1funcs-Os-4-200.asm: New file.
8832 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8833 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8834 (EXTRA_MULTILIB_PARTS): Include it.
8835 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8836 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8837 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8838 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8841 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8843 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8844 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8845 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8847 * tree-ssa-live.h: Include vecprim.h.
8848 (tree_partition_associator_d): Change the type of
8849 first_partition to VEC(int,heap) *.
8850 (tpa_first_partition): Use VEC instead of VARRAY.
8852 * Makefile.in (GTFILES): Move functions.h after tree.h.
8853 * function.c (reset_block_changes, record_block_change,
8854 check_block_change, free_block_changes): Use VEC instead of
8856 * function.h (function): Change the type of
8857 ib_boundaries_block to VEC(tree,gc) *.
8858 * tree-inline.c (copy_cfg_body): Initialize
8859 ib_boundaries_block to NULL instead of (varray_type) 0.
8861 2006-04-12 Roger Sayle <roger@eyesopen.com>
8863 * expr.c (emit_group_store): Correct operand order in call to
8864 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8865 a SUBREG_BYTE of zero.
8867 2006-04-12 Richard Guenther <rguenther@suse.de>
8869 * profile.c (compute_branch_probabilities): Remove code
8870 encapsulated in !ir_type (), which are remanents of the
8871 removed RTL profiling code.
8872 * rtl-profile.c: Remove.
8874 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8876 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8877 magic NULL_RTX comment.
8878 (function_arg): Store entire fp arg to mem if any part should go
8880 (rs6000_arg_partial_bytes): Adjust for above change.
8882 2006-04-11 Roger Sayle <roger@eyesopen.com>
8884 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8885 if it hasn't been initialized by dwarf2out_init.
8887 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8889 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8890 symbolic constants in branch patterns.
8892 2006-04-11 Roger Sayle <roger@eyesopen.com>
8894 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8896 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8898 PR rtl-optimization/27073
8899 * gcse.c (try_replace_reg): Revert last change. Continue to search
8900 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8903 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8905 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8906 aggregate types other than record and union types.
8907 (function_arg): Likewise.
8908 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8910 (function_value): In 64-bit mode, return objects that require it
8913 2006-04-11 Roger Sayle <roger@eyesopen.com>
8915 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8917 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8919 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8921 2006-04-03 Jeff Law <law@redhat.com>
8924 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8925 alias information too.
8927 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8929 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8931 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8934 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8935 (premark_used_types_helper): New.
8936 (premark_used_types): New.
8937 (gen_subprogram_die): Call premark_used_types.
8938 (prune_unused_types_walk): Do not prune perennial dies.
8939 * function.c (used_types_insert): New.
8940 * function.h (struct function): Add used_types_hash field.
8941 (used_types_insert): Add prototype.
8942 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8943 * c-parser.c (c_parser_cast_expression): Save casted types in used
8946 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8949 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8950 rs6000_explicit_options.float_gprs.
8952 2006-04-10 Roger Sayle <roger@eyesopen.com>
8954 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8955 from ix86_expand_vector_init_low_nonzero. Take an additional
8956 one_var argument indicating which element is non-zero. Support
8957 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8958 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8959 with one_var instead of ix86_expand_vector_init_low_nonzero.
8961 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8963 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8964 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8965 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8966 build/genextract.o): Depend on vecprim.h.
8967 * cfglayout.c, df-problems.c, function.c, genextract.c,
8968 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8969 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8973 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8975 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8976 Declare VECs of this type.
8977 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8978 (remove_children): Delete.
8979 (add_dwarf_attr): Use VEC routines.
8980 (add_AT_flag): Update for changes to add_dwarf_attr.
8981 (add_AT_int): Likewise.
8982 (add_AT_unsigned): Likewise.
8983 (add_AT_long_long): Likewise.
8984 (add_AT_vec): Likewise.
8985 (add_AT_string): Likewise.
8986 (add_AT_die_ref): Likewise.
8987 (add_AT_fde_ref): Likewise.
8988 (add_AT_loc): Likewise.
8989 (add_AT_loc_list): Likewise.
8990 (add_AT_addr): Likewise.
8991 (add_AT_lbl_id): Likewise.
8992 (add_AT_lineptr): Likewise.
8993 (add_AT_macptr): Likewise.
8994 (add_AT_offset): Likewise.
8995 (add_AT_range_list): Likewise.
8996 (get_AT): Use VEC_iterate.
8997 (remove_AT): Use VEC_ordered_remove.
8998 (free_die): Fold remove_children into here; have it use VEC_iterate.
8999 (print_die): Use VEC_iterate on attrs.
9000 (reverse_die_lists): Don't reverse attr lists.
9001 (die_checksum): Use VEC_iterate on attrs.
9002 (same_die_p): Likewise.
9003 (output_location_lists): Likewise.
9004 (build_abbrev_table): Likewise.
9005 (size_of_die): Likewise.
9006 (unmark_all_dies): Likewise.
9007 (output_abbrev_section): Likewise.
9008 (output_die): Likewise.
9009 (prune_unused_types_walk_attribs): Likewise.
9011 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9013 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9015 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9018 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9020 2006-04-09 Roger Sayle <roger@eyesopen.com>
9022 * expr.c (store_constructor): Don't bother clearing target if
9023 we're about to assign a vector to it using vec_init_optab.
9025 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9027 * tree-ssa-alias.c (lhs_may_store_to): New function.
9028 (recalculate_used_alone): Handle LHS of calls.
9030 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9034 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9035 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9036 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9037 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9038 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9039 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9040 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9041 stubs. Add ".align 8" directives before all ".dword" directives.
9042 (GTHREAD_USE_WEAK): Revise comment.
9043 (TARGET_ATTRIBUTE_WEAK): Define.
9044 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9045 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9046 * stublib.c: New file.
9051 * pa.md (cbranch patterns): Revise arguments used in calls to
9052 output_cbranch, output_bb and output_bvd. Add long branch length
9054 (fbranch patterns): Handle long branches.
9055 (jump): Revise length check. Revise arguments for output_lbranch call.
9056 Add long branch length attributes.
9057 (decrement_and_branch_until_zero): Add long branch length attributes.
9058 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9059 Likewise. Revise arguments for output_parallel_addb and
9060 output_parallel_movb calls.
9061 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9062 output_parallel_movb and output_parallel_addb): Update prototypes.
9063 * pa.c (output_cbranch): Revise arguments. Correct handling of
9064 nullification in long branches.
9065 (output_lbranch): Add new argument to control extraction of delay
9067 (output_bb): Handle long branches.
9068 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9069 output_parallel_addb): Likewise.
9071 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9073 PR rtl-optimization/27073
9074 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9077 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9079 * tree.h (tree_memory_tag): Add old_used_alone.
9080 (SMT_OLD_USED_ALONE): New macro.
9081 * tree-ssa-alias.c (recalculate_used_alone): Stop
9082 marking things for renaming unnecessarily.
9084 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9086 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9087 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9088 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9089 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9090 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9091 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9092 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9093 spelling convensions.
9094 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9095 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9096 typos. Follow spelling conventions.
9098 2006-04-07 DJ Delorie <dj@redhat.com>
9100 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9101 passed on the stack.
9102 (m32c_init_cumulative_args): When a function returns a structure,
9103 always pass the pointer to that return area on the stack.
9104 (m32c_function_arg_advance): Don't increment the parameter number
9105 if we're processing the returned structure pointer.
9106 (pushm_info): Reverse order of registers.
9108 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9110 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9111 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9112 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9113 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9115 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9116 chrec_fold_multiply): Same.
9117 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9118 force_expr_to_var_cost): Same.
9119 * tree-mudflap.c (mf_xform_derefs_1): Same.
9120 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9122 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9124 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9125 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9128 2006-04-07 Jan Hubicka <jh@suse.cz>
9130 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9132 2006-04-07 Richard Guenther <rguenther@suse.de>
9134 PR tree-optimization/26135
9135 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9136 loads for store copy-prop.
9137 (copy_prop_visit_stmt): Likewise.
9139 2006-04-05 Robert Millan <robertmh@gnu.org>
9141 * config/i386/linux.h: Add a comment to mark macros that are
9142 being overriden in config/k*bsd-gnu.h.
9143 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9145 * config/knetbsd-gnu.h: Ditto.
9147 2006-04-06 Jan Hubicka <jh@suse.cz>
9151 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9154 2006-04-06 Mike Stump <mrs@apple.com>
9156 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9157 for HAVE_nonlocal_goto to be consistent.
9158 (expand_builtin_nonlocal_goto): Likewise.
9159 (expand_builtin_strcmp): Use #ifdef instead of #if
9160 for HAVE_cmpstrnsi to be consistent.
9162 2006-04-05 DJ Delorie <dj@redhat.com>
9164 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9167 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9169 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9170 got-relative addressing for anything but SImode.
9172 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9173 even if the calling function doesn't modify them.
9175 2006-04-05 Richard Guenther <rguenther@suse.de>
9177 PR tree-optimization/26919
9178 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9179 to cgraph_estimate_size_after_inlining.
9181 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9183 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9185 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9187 PR tree-optimization/26996
9188 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9189 VECTOR_TYPE variables.
9191 2006-04-05 Richard Guenther <rguenther@suse.de>
9193 PR tree-optimization/26763
9194 * fold-const.c (fold_comparison): Move folding of
9195 PTR + CST CMP PTR + CST ...
9196 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9198 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9200 * doc/install.texi (Prerequisites): Refine some wording on
9201 bootstrapping and ksh.
9202 Move the version numbers of DejaGnu here from the testing section
9203 and fix casing of names.
9204 Fix markup and clarify wording for autogen requirements.
9205 Refer to GCJ instead of just java.
9206 Refer to SVN instead of CVS.
9207 Describe diffutils as useful instead of necessary.
9208 (Downloading the source): Refer to SVN instead of CVS.
9209 Adjust a link to our web site accordingly.
9210 (Configuration): Fix casing of Bison.
9211 (Building): Refer to SVN instead of CVS.
9212 Fix a sentence on the use of Bison and remove duplicate (and
9213 incorrect) version number of Bison requirement.
9214 Remove one redundant list of packages needed for building.
9215 (Specific): Avoid reference to CVS.
9217 2006-04-04 Eric Christopher <echristo@apple.com>
9219 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9220 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9221 (rs6000_handle_struct_attribute): New.
9222 (rs6000_ms_bitfield_layout_p): Ditto.
9224 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9226 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9227 NULL for dso parameter to atexit_common.
9229 2006-04-04 Eric Christopher <echristo@apple.com>
9231 * config/i386/i386.c (machopic_output_stub): Output \t
9232 between instructions and operands.
9234 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9236 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9237 satisfies_constraint_[IL] to explicit tests on value.
9239 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9241 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9242 set_nb_iterations_in_loop): Use build_int_cst instead of
9244 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9245 build_int_cst instead of convert.
9247 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9249 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9250 new value 2 for incoming.
9251 * function.c (expand_function_start): Call struct_value_rtx
9253 * config/sparc/sparc.md: Comment updated_return.
9254 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9255 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9256 struct return if sparc_std_struct_return and incoming is 2.
9257 (print_operand): Do not adjust return if
9258 sparc_std_struct_return.
9260 2006-04-04 Roger Sayle <roger@eyesopen.com>
9262 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9263 convert in the middle-end.
9264 * expr.c (store_expr, store_constructor, get_inner_reference,
9265 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9267 * tree.c (build_range_type): Likewise.
9269 2006-04-04 Tom Tromey <tromey@redhat.com>
9271 * doc/install.texi (Prerequisites): Mention jar.
9273 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9275 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9278 2006-04-04 Matthias Klose <doko@debian.org>
9280 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9284 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9287 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9289 * doc/extend.texi (Function Attributes): Rewrite visibility
9290 attribute documentation.
9291 * doc/invoke.texi (C++ Dialect Options): Rewrite
9292 -fvisibility-inlines-hidden documentation to describe something
9293 entirely different, although in practise compatible.
9294 (Code Gen Options): Warn about system headers in -fvisibility=
9297 * doc/extend.texi (Other Builtins): Document that
9298 __builtin_nan is a compile-time constant only when its argument
9301 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9303 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9304 trying to remove TRUNCATE check if all bits outside the new mode
9305 are identical to the sign bit.
9307 2006-04-03 Jeff Law <law@redhat.com>
9309 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9310 and operand scanning in some common cases.
9312 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9313 Dale Johannesen <dalej@apple.com>
9316 * regclass.c (struct reg_pref): Update documentation.
9317 (regclass): Set prefclass to NO_REGS if memory is the best option.
9318 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9319 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9320 into account. For non-registers, equate an empty preferred
9321 reload class to a `!' in the constraint; move the if clause to
9322 do so after those that reject the insn.
9323 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9325 (find_dummy_reload): Likewise.
9326 * doc/tm.texi (Register Classes): Document what it means
9327 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9328 * config/i386/i386.c (ix86_preferred_reload_class): Force
9329 using SSE registers (and return NO_REGS for floating-point
9330 constants) if math is done with SSE.
9331 (ix86_preferred_output_reload_class): New.
9332 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9333 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9334 * config/i386/i386.md: Remove # register preferences.
9336 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9339 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9340 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9341 the type of nb_iter.
9342 (instantiate_parameters_1): Convert the operands before calling
9343 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9344 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9346 2006-04-02 Roger Sayle <roger@eyesopen.com>
9348 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9349 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9351 * dojump.c (do_jump): Likewise.
9352 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9353 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9354 gimplify_boolean_expr): Likewise.
9355 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9356 * varasm.c (array_size_for_constructor): Likewise.
9357 * tree-object-size.c (compute_object_offset): Likewise.
9359 2006-04-02 Roger Sayle <roger@eyesopen.com>
9362 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9363 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9365 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9367 PR tree-optimization/26939
9368 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9370 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9372 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9373 at_stmt. Convert the type of operands before calling
9374 build_polynomial_chrec.
9375 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9377 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9378 (instantiate_parameters_1): Convert the type of operands before calling
9379 build_polynomial_chrec.
9380 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9381 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9382 reset_evolution_in_loop): Insert asserts to check the types of the
9384 (chrec_type): Moved...
9385 (eq_evolutions_p): Use operand_equal_p.
9386 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9387 the types of the operands.
9388 (chrec_type): ...here.
9389 * tree-data-ref.c (create_data_ref): Convert the operands before
9390 calling chrec_replace_initial_condition.
9391 (same_access_functions, analyze_subscript_affine_affine,
9392 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9393 (compute_subscript_distance, analyze_ziv_subscript,
9394 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9395 analyze_miv_subscript): Convert the operands before calling
9396 chrec_fold_minus or chrec_fold_plus.
9398 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9400 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9401 the dependence_relations vector.
9402 (compute_data_dependences_for_loop): Adjust call to
9403 compute_all_dependences.
9405 2006-04-01 Roger Sayle <roger@eyesopen.com>
9406 Richard Henderson <rth@redhat.com>
9408 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9409 gimple_boolify on the condition before calling gimplify_expr.
9411 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9413 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9414 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9415 the frame size. Update to use the new macros.
9416 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9417 * config/xtensa/ieee754-df.S: Likewise.
9419 2006-03-31 Richard Henderson <rth@redhat.com>
9421 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9422 (make_edges): ... here. Control fallthru creation with a local
9423 variable. Do not play with fake edges.
9424 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9425 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9428 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9430 * dwarf2.h (DW64_CIE_ID): Define.
9431 * dwarf2out.c (DWARF_CIE_ID): Define.
9432 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9433 length header. Use DWARF_CIE_ID.
9434 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9435 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9437 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9439 * config/sh/linux-atomic.asm: New file.
9440 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9442 2006-03-31 DJ Delorie <dj@redhat.com>
9444 * config/m32c/cond.md: Set condition flags properly throughout.
9445 * config/m32c/minmax.md: Likewise.
9446 * config/m32c/prologue.md: Likewise.
9447 * config/m32c/bitops.md: Likewise.
9448 * config/m32c/muldiv.md: Likewise.
9449 * config/m32c/mov.md: Likewise.
9450 * config/m32c/addsub.md: Likewise.
9451 * config/m32c/m32c.md: Likewise.
9452 * config/m32c/jump.md: Likewise.
9453 * config/m32c/shift.md: Likewise.
9455 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9456 conditionally output the pattern for this.
9457 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9458 (m32c_compare_redundant): New.
9459 (m32c_output_compare): New.
9460 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9462 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9463 dest, not src. Allow other 4-byte modes.
9465 2006-03-30 Denis Chertykov <denisc@overta.ru>
9467 * doc/md.texi: Refer to avr/constraints.md instead of
9470 2006-03-30 Roger Sayle <roger@eyesopen.com>
9472 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9473 signed vs. unsigned comparison failures on some hosts.
9475 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9478 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9479 change to FLOAT_REGS.
9481 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9482 (rs6000_override_options): Use it.
9483 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9484 only for -mabi=spe/no-spe and -mabi=altivec.
9486 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9488 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9491 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9493 * Makefile.in: Rename docdir to gcc_docdir.
9495 2006-03-30 Roger Sayle <roger@eyesopen.com>
9498 * expr.c (emit_group_store): Optimize group stores into a pseudo
9499 register by using a paradoxical subreg to initialize the destination
9500 if the first or last member of the group specifies a "low part".
9502 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9505 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9506 * target.h (struct gcc_target.speculate_insn): Change type of the
9507 second parameter to 'int'.
9508 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9509 the second operand of the DEPS_LIST.
9510 (copy_DEPS_LIST_list): Update reference to the second operand of the
9512 * rtl.h (alloc_DEPS_LIST): Update signature.
9513 * sched-int.h (ds_t): Change typedef to 'int'.
9514 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9516 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9518 * haifa-sched.c (try_ready): Change condition to restore
9519 non-speculative pattern of the instruction.
9520 (process_insn_depend_be_in_spec): Code to keep probability of the
9521 speculative dependence non-decreasing.
9523 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9525 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9526 (single_move_for_movmem): ... this. Also change all uses.
9527 (bfin_expand_strmov): Renamed to...
9528 (bfin_expand_movmem): ... this. Also change all uses.
9529 * config/bfin/bfin.md (movstrsi): Renamed to...
9530 (movstrsi): ...this.
9532 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9534 PR tree-optimization/26830
9536 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9537 (copy_prop_visit_stmt): Remove write-only variable ann.
9538 (init_copy_prop): Check variable loop depth here. Do not simulate
9539 memory-tag and virtual operand PHIs except for store copy prop.
9541 2006-03-30 Richard Guenther <rguenther@suse.de>
9543 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9544 variants with double arguments.
9546 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9548 * genpreds.c (write_tm_constrs_h): Delete variable p.
9549 * genconditions.c (write_header): Add tm-constrs.h to included
9551 * genpeep.c (main): Add toplev.h to included headers.
9552 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9553 (build/genpeep.o): Add toplev.h dependency.
9554 * config/rs6000/constraints.md: Add "W" constraint.
9556 2006-03-29 Roger Sayle <roger@eyesopen.com>
9558 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9559 sizes by correctly testing whether the size fits a host integer.
9560 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9561 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9562 SImode range for the default sizetype and bitsizetype.
9564 2006-03-29 Roger Sayle <roger@eyesopen.com>
9566 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9567 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9568 quickly if the argument is already of the correct type.
9569 Call fold_build1 instead of build1. Tidy up blank lines.
9571 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9573 * genemit.c (main): Add tm-constrs.h to included headers.
9574 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9575 * genpeep.c (main): Add tm-constrs.h to included headers.
9576 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9577 (write_tm_constrs_h): this and write complete file.
9578 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9579 (write_insn_preds_c): Add tm-constrs.h to included headers.
9580 (gen_constrs): New variable.
9581 (parse_option): Parse "-c".
9582 (main): Invoke write_tm_constrs_h.
9583 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9584 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9585 (object_out_file): Add tm-constrs.h dependency.
9586 (insn-emit.o): Same.
9587 (insn-output.o): Same.
9588 (insn-peep.o): Same.
9589 (insn-preds.o): Same.
9590 (insn-recog.o): Same.
9591 (tm-constsr.h): New target.
9592 (s-constrs-h): New target.
9594 * config/rs6000/constraints.md: New file.
9595 * config/rs6000/rs6000.c: Include tm-constrs.h.
9596 (num_insn_constant_wide): Convert to satisfies_constraint.
9597 (rs6000_rtx_costs): Convert to satisfies_constraint.
9598 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9599 (CONST_OK_FOR_LETTER_P): Delete.
9600 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9601 (EXTRA_CONSTRAINT): Delete.
9602 (EXTRA_MEMORY_CONSTRAINT): Delete.
9603 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9604 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9605 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9606 satisfies_constraint.
9608 * config/i386/i386.c: Include tm-constrs.h.
9610 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9612 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9613 * tree-data-ref.c (find_data_references_in_loop,
9614 compute_data_dependences_for_loop): Use pointers to VEC.
9615 (analyze_all_data_dependences): Adjust calls.
9616 * tree-data-ref.h (find_data_references_in_loop,
9617 compute_data_dependences_for_loop): Adjust declarations.
9618 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9619 compute_data_dependences_for_loop.
9621 2006-03-29 Paul Brook <paul@codesourcery.com>
9623 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9626 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9628 PR tree-optimization/26859
9629 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9631 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9632 for the step after fold_convert.
9634 2006-03-29 Paul Brook <paul@codesourcery.com>
9636 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9637 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9639 2006-03-29 Paul Brook <paul@codesourcery.com>
9642 * targhooks.c (default_narrow_bitfield): New fuction.
9643 * targhooks.h (default_narrow_bitfield): add prototype.
9644 * target.h (gcc_target): Add narrow_volatile_bitfield.
9645 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9646 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9647 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9648 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9650 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9652 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9654 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9655 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9656 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9657 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9658 (s390_function_arg_float): Allow SDmode and DDmode values to be
9659 passed in floating point registers.
9660 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9661 check with SCALAR_FLOAT_MODE_P.
9662 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9664 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9666 PR tree-optimization/25985
9667 * tree-ssa-loop-niter.c (number_of_iterations_le,
9668 number_of_iterations_ne): Make comments more precise.
9669 (number_of_iterations_cond): Add only_exit argument. Use the
9670 fact that signed variables do not overflow only when only_exit
9672 (loop_only_exit_p): New.
9673 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9674 number_of_iterations_cond.
9676 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9678 PR tree-optimization/26643
9679 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9682 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9684 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9685 (divsi3_i4_int): Likewise.
9687 2006-03-28 Roger Sayle <roger@eyesopen.com>
9689 * expr.c (emit_group_store): Only create a new pseudo reg if the
9690 quantity it needs to hold isn't already a suitable pseudo.
9692 2006-03-28 Jeff Law <law@redhat.com>
9694 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9695 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9697 2006-03-28 Roger Sayle <roger@eyesopen.com>
9699 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9700 the equivalent ~X & Y, and the symmetry related transformations.
9701 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9702 ~X & Y, and symmetry related transforms.
9704 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9706 Revert my 2006-03-27 patches.
9708 2006-03-28 Roger Sayle <roger@eyesopen.com>
9710 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9711 ~(T1)X, when T1 and T2 are integer types of the same precision
9712 and (T2)X isn't an extension.
9714 2006-03-28 Jeff Law <law@redhat.com>
9716 PR tree-optimization/26796
9717 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9718 need EH edge cleanups rather than purging them immediately.
9719 (eliminate_degenerate_phis): Handle queued EH cleanups.
9721 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9723 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9726 2006-03-27 Roger Sayle <roger@eyesopen.com>
9729 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9730 cast BIT_NOT_EXPR operand to the correct type.
9732 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9734 * tree-loop-linear.c: Don't include varray.h.
9735 (gather_interchange_stats, try_interchange_loops,
9736 linear_transform_loops): Use VEC instead of VARRAY.
9737 * lambda-mat.c: Don't include varray.h.
9738 * tree-chrec.c: Same.
9739 * lambda-trans.c: Same.
9740 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9741 VEC instead of VARRAY.
9742 * tree-vectorizer.h: Idem.
9743 * tree-data-ref.c (dump_data_references,
9744 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9745 initialize_data_dependence_relation, finalize_ddr_dependent,
9746 compute_all_dependences, find_data_references_in_loop,
9747 compute_data_dependences_for_loop, analyze_all_data_dependences,
9748 free_dependence_relation, free_dependence_relations,
9749 free_data_refs): Idem.
9750 * tree-data-ref.h (data_reference_p, subscript_p): New.
9751 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9752 VEC instead of VARRAY.
9753 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9754 (find_data_references_in_loop, compute_data_dependences_for_loop,
9755 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9756 dump_data_dependence_relations, free_dependence_relations,
9757 free_data_refs): Adjust declaration.
9758 (lambda_transform_legal_p): Move declaration here...
9759 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9760 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9761 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9762 vect_analyze_data_refs): Use VEC instead of VARRAY.
9763 * lambda.h (lambda_transform_legal_p): ...from here.
9764 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9765 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9766 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9767 tree-chrec.o): Don't depend on VARRAY_H.
9769 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9771 * rtl.def (Copyright): Update date.
9772 (DEPS_LIST): Change type of the second operand to 'int'.
9773 * target.h (Copyright): Update date.
9774 (struct gcc_target.speculate_insn): Change type of the second parameter
9776 * lists.c (Copyright): Update date.
9777 (alloc_DEPS_LIST): Change signature. Update reference to the second
9778 operand of the DEPS_LIST.
9779 (copy_DEPS_LIST_list): Update reference to the second operand of the
9781 * rtl.h (Copyright): Update date.
9782 (alloc_DEPS_LIST): Update signature.
9783 * sched-int.h (Copyright): Update date.
9784 (ds_t): Change typedef to 'int'.
9785 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9787 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9789 * haifa-sched.c (Copyright): Update date.
9790 (try_ready): Change condition to restore non-speculative pattern
9792 (process_insn_depend_be_in_spec): Code to keep probability of the
9793 speculative dependence non-decreasing.
9795 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9797 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9798 shut up the compiler.
9800 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9802 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9803 to use lib prefix for target.
9804 ($(T)libic_invalidate_array_4-200.a): Likewise.
9805 ($(T)libic_invalidate_array_4a.a): Likewise.
9807 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9808 J"orn Rennecke <joern.rennecke@st.com>
9810 * superh.opt: New file.
9811 * sh.c (boardtype, osruntime): Remove.
9812 * superh.h (SUBTARGET_OPTIONS): Remove.
9813 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9815 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9816 arguments with ^ and/or [].
9818 * config.gcc (sh-*-*): Add quoting to account for quirk of
9820 Replace == with = in enable_incomplete_targets test.
9822 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9823 with MASK_LITTLE_ENDIAN.
9825 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9826 * config/sh/sh.opt: Added to some comments.
9827 * config/sh/superh.h: Removed some chaff.
9829 * config/sh/sh.opt: Add m4-[1234]00* options.
9830 * config/sh/sh.c (sh_handle_option): Likewise.
9831 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9832 (ic_invalidate_array_4-100.o): New rule.
9833 ($(T)libic_invalidate_array_4-100.a): Likewise.
9834 (ic_invalidate_array_4-200.o): Likewise.
9835 ($(T)libic_invalidate_array_4-200.a): Likewise.
9836 (ic_invalidate_array_4a.o): Likewise.
9837 ($(T)libic_invalidate_array_4a.a): Likewise.
9838 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9839 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9841 * config/sh/crt1.asm: Merged in profiling code.
9842 * config/sh/superh.h (STARTFILE_SPEC): Override.
9843 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9844 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9845 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9847 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9848 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9849 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9851 * sh.opt (mpretend-cmove): New option.
9852 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9853 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9854 (movsicc): Add TARGET_PRETEND_CMOVE code.
9856 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9858 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9859 s390_class_max_nregs): New function prototypes.
9860 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9861 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9862 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9863 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9865 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9867 * dwarf2out.c (add_location_or_const_value_attribute): Call
9868 tree_add_const_value_attribute if nothing else works.
9869 (reference_to_unused): New.
9870 (rtl_for_decl_init): Use reference_to_unused to decide whether
9871 to output an initializer.
9873 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9876 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9877 peephole removing spe frob_di_df_2.
9879 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9881 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9882 (subscript_dependence_tester_1): Declared.
9883 (print_dir_vectors, print_dist_vectors): New.
9884 (debug_data_dependence_relation): New.
9885 (dump_data_dependence_relation): Print more details.
9886 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9887 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9888 (save_dist_v, save_dir_v, add_outer_distances,
9889 build_classic_dist_vector_1): New.
9890 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9891 Don't test for lambda_vector_lexico_pos.
9892 (same_access_functions, add_multivariate_self_dist,
9893 add_other_self_distances, dir_from_dist): New.
9894 (build_classic_dir_vector): Replace implementation almost identical to
9895 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9897 (subscript_dependence_tester_1): New.
9898 (subscript_dependence_tester): Handle the lexicographically negative
9899 distance vectors by recomputing the dependence relation.
9900 (compute_affine_dependence): Remove parameter loop_nest_depth.
9901 (compute_self_dependence): Don't call compute_subscript_distance.
9902 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9903 Add a parameter for the loop_nest.
9904 (find_loop_nest_1, find_loop_nest): New.
9905 (compute_data_dependences_for_loop): Compute the loop nest, and give
9906 up if the nest is not well formed.
9907 * tree-data-ref.h (loop_p): New.
9908 (struct data_dependence_relation): Replace size_vect field with
9909 loop_nest, a vec of loops.
9910 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9911 (DDR_LOOP_NEST): New.
9912 (print_dir_vectors, print_dist_vectors,
9913 debug_data_dependence_relation): Declared.
9914 (index_in_loop_nest): New.
9915 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9916 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9919 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9921 * simplify-rtx.c (simplify_relational_operation): Call
9922 simplify_relational_operation_1 even if mode is VOIDmode.
9924 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9926 PR tree-optimization/26804
9927 * tree.h (DECL_CALL_CLOBBERED): New macro.
9928 (tree_decl_common): Add call_clobbered_flag.
9929 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9930 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9931 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9932 (mark_non_addressable): Ditto.
9933 * tree-ssa.c (verify_call_clobbered): New function.
9934 (verify_alias_info): Use it.
9935 * tree-pass.h (pass_reset_cc_flags): New prototype.
9936 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9937 (reset_cc_flags): New function.
9938 * passes.c (init_optimization_passes): Call reset_cc_flags after
9939 initializing referenced_vars.
9941 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9942 Roger Sayle <roger@eyesopen.com>
9945 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9946 to 1.0 for non-real operands. Implement A / A optimization for
9949 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9951 * config/i386/i386.c (size_cost): Correct the comment for
9952 cost of storing fp registers.
9953 (i386_cost): Likewise.
9954 (i486_cost): Likewise.
9955 (pentium_cost): Likewise.
9956 (pentiumpro_cost): Likewise.
9957 (k6_cost): Likewise.
9958 (athlon_cost): Likewise.
9959 (k8_cost): Likewise.
9960 (pentium4_cost): Likewise.
9961 (nocona_cost): Likewise.
9962 (generic64_cost): Likewise.
9963 (generic32_cost): Likewise.
9965 2006-03-24 Denis Chertykov <denisc@overta.ru>
9967 * config/avr/avr-protos.h (extra_constraint): Delete.
9968 (extra_constraint_Q): New declaration.
9969 * config/avr/constraints.md: New file.
9970 * config/avr/avr.md: Include it.
9971 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9972 (TMP_REGNO, ZERO_REGNO): Likewise.
9973 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9974 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9975 (extra_constraint): Delete.
9976 (extra_constraint_Q): Test for memory constraint 'Q'.
9977 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9978 (REG_CLASS_FROM_LETTER): Delete.
9979 (CONST_OK_FOR_LETTER_P): Delete.
9980 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9981 (EXTRA_CONSTRAINT): Delete.
9982 (TMP_REGNO): Delete.
9983 (ZERO_REGNO): Delete.
9985 2006-03-24 Jeff Law <law@redhat.com>
9987 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9988 directly. Call mark_new_vars_to_rename slightly earlier.
9990 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9992 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9994 (gen_compile_unit_die): Use new language types for Objective-C and
9996 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9997 DW_LANG_C_plus_plus.
10000 * config/t-darwin (crt3.o): Work around bug 26840.
10001 * config/darwin-crt3.c: Rewrite.
10002 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10004 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10006 * doc/invoke.texi: Document -femit-class-debug-always
10007 * common.opt: Add -femit-class-debug-always.
10009 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10011 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10012 index and base register.
10013 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10014 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10015 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10016 REGNO_OK_FOR_INDEX_P.
10017 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10019 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10020 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10021 REG_OK_FOR_BASE_P): Definitions removed.
10023 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10025 PR middle-end/26611
10026 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10027 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10028 set yet or weren't marked as local yet.
10030 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10032 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10035 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10037 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10038 (rs6000_legitimate_small_data_p): Delete.
10039 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10040 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10041 and make static. Add forward declaration. Update uses.
10042 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10043 of offsettable_memref_p.
10044 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10045 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10047 2006-03-24 Jeff Law <law@redhat.com>
10049 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10050 around bug in immediate-use iterator.
10052 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10055 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10056 or __LITTLE_ENDIAN__.
10058 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10060 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10061 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10062 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10063 * config/sh/sh.opt (mdiv=): Amend description.
10064 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10065 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10066 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10067 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10068 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10069 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10070 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10071 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10072 TARGET_DIVIDE_CALL_FP.
10074 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10076 * haifa-sched.c (choose_ready): Fix type of the local variable.
10077 Move local variables. Add comment.
10078 (check_reg_live): Change signature. Make callable from debugger.
10079 * sched-int.h (check_reg_live): Update signature.
10080 * sched-ebb.c (check_reg_live): Update parameters.
10081 * sched-rgn.c (check_reg_live): Ditto.
10082 (region_head_or_leaf_p): Check pointer before dereferencing.
10083 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10084 before reload on optimization levels below 1.
10086 2006-03-23 Richard Henderson <rth@redhat.com>
10088 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10092 * config/alpha/predicates.md (local_symbolic_operand): Reject
10095 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10098 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10099 expressions which have overflowed constants.
10101 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10103 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10105 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10107 * cfgloopmanip.c (create_loop_notes): Removed.
10108 * final.c (final_scan_insn): Do not handle loop notes.
10109 * jump.c (squeeze_notes): Ditto.
10110 * cfglayout.c (skip_insns_after_block,
10111 duplicate_insn_chain): Ditto.
10112 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10114 * cfgloop.h (create_loop_notes): Declaration removed.
10116 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10118 * varasm.c (output_constant_pool): Restore fnname and fndecl
10120 (assemble_start_function): Adjust call accordingly.
10121 (assemble_end_function): Likewise.
10123 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10126 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10129 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10131 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10134 * system.h (ICE_EXIT_CODE): New macro.
10135 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10136 (diagnostic_action_after_output): Likewise.
10137 * gcc.c (fatal_ice): New function.
10138 (execute): Use it instead of fatal.
10139 (fancy_abort): Likewise.
10140 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10142 2006-03-22 Jeff Law <law@redhat.com>
10144 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10145 iv_analyze_result returning false.
10147 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10149 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10151 2006-03-22 Richard Henderson <rth@redhat.com>
10153 PR middle-end/26084
10154 * except.c (duplicate_eh_regions_0): New.
10155 (duplicate_eh_region_1): Duplicate the children of the node as
10156 well as the node itself. Link them up properly.
10157 (duplicate_eh_region_2): Merge into ...
10158 (duplicate_eh_regions): ... here. Take copy_region argument, and
10159 copy only a sub-tree if asked. Simplify copying and fixup.
10160 (eh_region_outer_p): New.
10161 * except.h (duplicate_eh_regions): Update decl.
10162 (eh_region_outer_p): Declare.
10163 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10164 (lower_omp_master): Likewise.
10165 (lower_omp_ordered): Likewise.
10166 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10167 (move_stmt_r): Use it to remap labels. Handle recursion vs
10168 remap_decls_p properly.
10169 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10170 (find_outermost_region_in_block): New.
10171 (new_label_mapper): New.
10172 (move_sese_region_to_fn): Copy eh information to the new function
10174 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10176 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10179 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10181 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10182 into shared libraries.
10184 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10186 * doc/md.texi: Refer to i386/constraints.md instead of
10187 i386/predicates.md.
10188 * config/i386/constraints.md: New file, extracted from...
10189 * config/i386/predicates.md: ...here.
10190 * config/i386/i386.md: Include constraints.md.
10192 2006-03-21 Jason Merrill <jason@redhat.com>
10194 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10196 PR middle-end/20297
10197 * expr.c (init_block_move_fn): Force default visibility.
10198 (init_block_clear_fn): Likewise.
10199 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10200 * targhooks.c (default_external_stack_protect_fail): Likewise.
10202 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10204 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10205 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10206 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10207 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10208 (loadgp): Use mips_current_loadgp_style.
10209 (loadgp_noshared): New pattern.
10210 (sibcall_internal): Use MIPS_CALL.
10211 (sibcall_value_internal): Likewise.
10212 (sibcall_value_multiple_internal): Likewise.
10213 (call_internal): Likewise.
10214 (call_value_internal): Likewise.
10215 (call_value_multiple_internal): Likewise.
10216 (call_split): Use MIPS_CALL and add an 'S' constraint.
10217 (call_value_split): Likewise.
10218 (call_value_multiple_split): Likewise.
10219 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10220 (-mshared): New option.
10221 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10222 (mips_current_loadgp_style): Declare.
10223 * config/mips/mips.c (mips_classify_symbol): Avoid using
10224 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10225 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10226 TARGET_ABSOLUTE_ABICALLS.
10227 (override_options): Adjust comments. Improve the warning that is
10228 issued when -mabicalls and -G are used together.
10229 (mips_file_start): Remove comment.
10230 (mips_current_loadgp_style): New function.
10231 (mips_gnu_local_gp): New variable.
10232 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10234 (mips_output_function_prologue): Use mips_current_laodgp_style.
10235 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10236 the cprestore instruction.
10237 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10238 live for TARGET_ABSOLUTE_ABICALLS.
10239 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10240 (ASM_SPEC): Pass down -mshared and -mno-shared.
10241 (MIPS_CALL): New macro.
10242 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10244 * doc/invoke.texi (-mabicalls): Update documentation.
10245 (-mshared): Document.
10247 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10249 * config/ia64/unwind-hpux.c: New file.
10250 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10252 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10255 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10257 2006-03-21 Jeff Law <law@redhat.com>
10259 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10260 type conversions of a VR_VARYING source to a wider type.
10262 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10264 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10265 tm_file on Solaris 10 and later.
10266 (sparc64-*-solaris2*): Likewise.
10267 (sparc-*-solaris2*): Likewise.
10268 * config/sol26.h: Rename to config/sol2-6.h.
10269 * config/sol2-10.h: New file.
10271 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10274 * tree-ssa-pre.c (create_component_ref_by_pieces):
10277 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10280 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10281 return it immediately.
10283 2006-03-21 Michael Matz <matz@suse.de>
10285 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10287 (remove_arc, add_arc): Update num_out_arcs member.
10288 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10290 (cache_presence): New function.
10291 (compare_states_for_equiv): New function.
10292 (state_is_differed): Don't take number of outargs, adjust callers.
10293 Use new invariant for speeding up.
10294 (init_equiv_class): Create initial classes based on sorted
10296 (partition_equiv_class): Don't track out_arcs_num.
10297 (evaluate_equiv_classes): Call cache_presence on all states and
10300 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10302 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10303 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10304 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10305 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10307 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10308 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10309 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10310 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10311 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10313 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10314 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10315 (REGNO_REG_CLASS): ARGP is in PREGS.
10316 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10318 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10319 to deal with those addresses.
10320 * addresses.h: New file.
10321 * caller-save.c: Include "addresses.h".
10322 (init_caller_save): Use new base_reg_class function.
10323 * rtl-factoring.c: Include "addresses.h".
10324 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10325 * recog.c: Include "addresses.h".
10326 (preprocess_constraints): Use new base_reg_class function.
10327 * regrename.c: Include "addresses.h".
10328 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10329 functions. Keep track of a new var INDEX_CODE to compute valid
10331 (replace_oldest_value_addr): Likewise.
10332 (replace_oldest_value_mem): Use base_reg_class.
10333 * reload.c: Include "addresses.h".
10334 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10335 (find_reloads): Use new base_reg_class function.
10336 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10337 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10338 all callers and prototype changed.
10339 * reload1.c: Include "addresses.h".
10340 (maybe_fix_stack_asms): Use base_reg_class.
10341 * regclass.c: Include "addresses.h".
10342 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10343 (init_reg_autoinc): Use new base_reg_class function.
10344 (record_reg_classes): Likewise.
10345 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10346 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10347 Use new args to compute necessary class.
10349 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10350 regrename.o, rtl-factoring.o): Update dependencies.
10351 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10352 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10353 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10354 REG_OK_FOR_INDEX_P): Delete documentation.
10356 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10358 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10359 from V7 to V9 for Solaris 7 and above.
10361 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10363 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10364 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10365 argument pointers may not alias any other storage.
10366 * common.opt: Define option -fargument-noalias-anything.
10367 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10368 alias semantics is specified by flag_argument_noalias > 2.
10370 2006-03-20 Jeff Law <law@redhat.com>
10372 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10373 (pass_phi_only_cprop): Declare.
10374 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10375 with phi_only_cprop
10376 * tree-ssa-dom.c (degenerate_phi_result): New function.
10377 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10378 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10379 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10380 (eliminate_degenerate_phis): Likewise.
10381 (pass_phi_only_cprop): New pass descriptor.
10382 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10383 support code. Callers updated.
10384 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10385 (store_copy_prop): Likewise.
10386 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10388 2006-03-20 Jason Merrill <jason@redhat.com>
10391 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10392 (push_visibility, pop_visibility): Likewise.
10393 * c-pragma.h: Declare them.
10395 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10397 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10399 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10400 parameter and use get_ebb_head_tail.
10401 (sh_md_init_global): Adjust uses of find_regmode_weight.
10403 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10405 * function.h (struct function) <x_tail_recursion_reentry>:
10406 Rename to x_stack_check_probe_note.
10407 (tail_recursion_reentry): Rename to stack_check_probe_note.
10408 * function.c: Replace tail_recursion_reentry with
10409 stack_check_probe_note everywhere.
10410 (expand_function_start): Only emit a note for
10411 stack_check_probe_note with -fstack-protect.
10412 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10414 * emit-rtl.c (remove_unnecessary_notes): Remove.
10415 (pass_remove_unnecessary_notes): Remove.
10416 * rtl.h (remove_unnecessary_notes): Remove prototype.
10417 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10418 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10419 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10421 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10424 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10425 (valid_in_set): Handle ARRAY_REF.
10426 Change "if min_variant or VH" to asserts.
10427 (create_component_ref_by_pieces): Handle ARRAY_REF.
10428 (create_expression_by_pieces): Likewise.
10429 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10431 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10433 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10434 is operand of switch, not str[0].
10436 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10438 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10439 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10441 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10443 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10444 end of insn_extra_address_constraint declaration.
10446 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10448 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10449 (no-sum-in-toc): Same.
10450 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10452 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10453 NO_FP_IN_TOC for -fPIC instead of mask.
10455 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10456 (BOOT_LDFLAGS): Delete.
10458 * config/rs6000/t-aix52: Same.
10460 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10461 (stmsi[345678]_power): New.
10463 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10465 * config/ia64/ia64.opt: Add empty line to end of file.
10467 2006-03-17 Richard Guenther <rguenther@suse.de>
10469 PR middle-end/26721
10470 * builtins.c (get_pointer_alignment): For component style references
10471 adjust alignment to the component type alignment. Make sure
10472 to adjust alignment for component access of constants.
10474 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10476 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10477 unconditional jump.
10479 2006-03-17 Paul Brook <paul@codesourcery.com>
10481 * doc/install.texi: Docuemnt --with-mode.
10482 * config.gcc: Add --with-mode for arm*-*-*.
10483 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10485 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10487 * sh.c (max_labelno_before_reorg): New variable.
10488 (sh_reorg): Initialize it.
10489 (find_barrier): Check max_labelno_before_reorg before using
10490 label_to_alignment. Take length of explicit alignment insns
10491 into account. When seeing a UNSPECV_CONST_END, return it.
10493 * sh.c (fixup_mova): Set mode of affected label to QImode.
10494 (untangle_mova): New function.
10495 (find_barrier): Use it. Check mode of label before decrementing
10497 (sh_reorg): Likewise.
10498 Set mode of all insns back to VOIDmode.
10500 * sh.c (MOVA_LABELREF): New macro.
10501 (mova_p, fixup_mova, sh_reorg): Use it.
10502 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10503 ADDR_DIFF_VEC matches mova.
10505 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10507 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10508 with ATTRIBUTE_UNUSED.
10510 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10512 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10513 pointer, instead of assuming it is possible to derive the
10514 correct args size from a call insn.
10516 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10518 * rtl.h (CONST_INT_P): Define.
10519 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10520 instead of GET_CODE(x) == CONST_INT.
10521 (vax_rtx_costs): Likewise.
10522 (vax_output_int_move): Likewise.
10523 (vax_output_int_add): Likewise.
10524 (legitimate_constant_address_p): Likewise.
10525 (index_term_p): Likewise.
10526 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10527 * config/vax/vax.md (and<mode>3): Likewise.
10528 (ashrsi3): Likewise.
10530 (movstricthi): Likewise.
10531 (movstrictqi): Likewise.
10532 (rotrsi3): Likewise.
10533 (five unnamed insns): Likewise.
10535 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10537 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10538 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10539 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10540 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10541 Pass to ASM_OUTPUT_DWARF_OFFSET.
10542 * dwarf2out.c (debug_frame_section): New.
10543 (output_call_frame_info): Use debug_frame_section. Pass it to
10544 dw2_asm_output_offset.
10545 (output_die): Pass appropriate section to dw2_asm_output_offset.
10546 (output_compilation_unit_header): Likewise.
10547 (output_pubnames): Likewise.
10548 (output_aranges): Likewise.
10549 (enum dw_val_class): Break dw_val_class_lbl_offset into
10550 dw_val_class_lineptr and dw_val_class_macptr.
10551 (add_AT_lbl_offset): Delete.
10552 (add_AT_lineptr): New.
10553 (add_AT_macptr): New.
10554 (AT_lbl): Expect a lineptr or macptr.
10555 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10556 (attr_checksum): Likewise.
10557 (same_dw_val_p): Likewise.
10558 (size_of_die): Likewise.
10559 (value_format): Likewise.
10560 (output_die): Likewise.
10561 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10563 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10564 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10565 * config/darwin-protos.h (darwin_file_start): New.
10566 (darwin_asm_output_dwarf_offset): New.
10567 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10568 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10570 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10571 if not EH section; simplify.
10572 (darwin_file_start): New.
10573 (darwin_asm_output_dwarf_offset): New.
10574 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10576 (DEBUG_INFO_SECTION): Likewise.
10577 (DEBUG_ABBREV_SECTION): Likewise.
10578 (DEBUG_ARANGES_SECTION): Likewise.
10579 (DEBUG_MACINFO_SECTION): Likewise.
10580 (DEBUG_LINE_SECTION): Likewise.
10581 (DEBUG_LOC_SECTION): Likewise.
10582 (DEBUG_PUBNAMES_SECTION): Likewise.
10583 (DEBUG_STR_SECTION): Likewise.
10584 (DEBUG_RANGES_SECTION): Likewise.
10585 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10586 (ASM_OUTPUT_DWARF_OFFSET): New.
10588 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10590 * config.gcc (tm_defines): Always add to previous value rather
10593 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10595 * config/mips/predicates.md (splittable_const_int_operand): New,
10596 split from move_operand.
10597 (splittable_symbolic_operand): New.
10598 (move_operand): Add commentary. Use splittable_const_int_operand.
10599 Inline mips_atomic_symbolic_constant_p.
10600 * config/mips/mips.md: Add combine splitters for handling moves
10601 of splittable_const_int_operands and splittable_symbolic_operands.
10602 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10603 (mips_split_symbol): Declare.
10604 (mips_move_integer): Declare.
10605 * config/mips/mips.c (mips_split_p): Make global.
10606 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10607 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10608 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10609 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10610 (mips_offset_within_object_p): Handle block symbols.
10611 (mips_atomic_symbolic_constant_p): Delete.
10612 (mips_cannot_force_const_mem): Return false for constants that
10613 mips_legitimize_move can handle.
10614 (mips_use_blocks_for_constant_p): New function.
10615 (mips_split_symbol): Make global.
10616 (mips_move_integer): Likewise. Add a temporary register argument.
10617 (mips_legitimize_const_move): Use splittable_const_int_operand and
10618 splittable_symbolic_operand.
10619 (mips_use_anchors_for_symbol_p): New function.
10620 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10621 (mips_split_p): Declare.
10623 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10625 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10626 (mips*-*-linux*): Likewise.
10628 2006-03-16 Roger Sayle <roger@eyesopen.com>
10629 Daniel Speyer <dspeyer@wam.umd.edu>
10631 PR middle-end/18259
10632 * tree-dump.c (dump_real): New function.
10633 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10634 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10635 (tree-dump.o): Add $(REAL_H) to the dependencies.
10637 2006-03-16 Roger Sayle <roger@eyesopen.com>
10639 PR middle-end/21781
10640 * real.c (real_from_string): If the mantissa is zero, don't bother
10641 parsing the exponent as the result should always be zero.
10643 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10645 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10647 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10649 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10650 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10651 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10652 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10653 ia64_sched_finish_global): New static functions to implement
10654 hooks from gcc_target.sched.
10655 (spec_check_no, max_uid, pending_data_specs): New static variables.
10656 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10657 ia64_spec_check_src_p): New static functions.
10658 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10659 (TARGET_SCHED_ADJUST_COST): Removed.
10660 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10661 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10662 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10663 TARGET_SCHED_GEN_CHECK,
10664 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10665 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10666 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10667 Fixed to handle speculation checks.
10668 (rtx_needs_barrier): Fixed to handle speculative loads and
10670 (ia64_variable_issue): Added code to count speculative loads and their
10672 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10674 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10676 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10678 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10679 (ia64_reorg): Reset stops_p to NULL after it is freed.
10680 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10681 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10682 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10684 (data_speculative, control_speculative, check_load): New attributes.
10685 (mov<mode>_advanced, mov<mode>_speculative,
10686 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10687 zero_extend<mode>di2_speculative,
10688 zero_extend<mode>di2_speculative_advanced): New patterns for
10689 data and control speculative loads.
10690 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10692 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10693 New pattern for data and control speculation checks.
10694 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10695 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10696 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10697 Auxiliary definitions for the patterns.
10698 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10699 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10701 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10703 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10704 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10705 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10706 New resource constraints.
10707 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10709 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10710 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10711 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10712 msched-in-control-spec, msched-ldc, msched-control-ldc,
10713 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10714 msched-prefer-non-control-spec-insns,
10715 msched-count-spec-in-critical-path): New flags to tune speculative
10717 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10718 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10719 msched-in-control-spec, msched-ldc, msched-control-ldc,
10720 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10721 msched-prefer-non-control-spec-insns,
10722 msched-count-spec-in-critical-path): Document new flags.
10724 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10726 * target.h (struct spec_info_def): New opaque declaration.
10727 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10728 speculate_insn, needs_block_p, gen_check,
10729 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10730 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10731 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10732 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10733 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10734 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10736 (TARGET_SCHED): Use new macros.
10737 * rtl.h (copy_DEPS_LIST_list): New prototype.
10738 * sched-int.h (struct sched_info): Change signature of new_ready field,
10739 adjust all initializations. New fields: add_remove_insn,
10740 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10741 region_head_or_leaf_p.
10742 (struct spec_info_def): New structure declaration.
10743 (spec_info_t): New typedef.
10744 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10745 recovery_block, orig_pat.
10746 (glat_start, glat_end): New variables declaraions.
10747 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10749 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10750 DETACH_LIFE_INFO, USE_GLAT.
10751 (enum SPEC_SCHED_FLAGS): New enumeration.
10752 (NOTE_NOTE_BB_P): New macro.
10753 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10754 attach_life_info, debug_spec_status, check_reg_live): New functions.
10755 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10756 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10758 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10759 * ddg.c (get_block_head_tail): Adjust all uses.
10760 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10761 (sms_sched_info): Initialize new fields.
10762 (contributes_to_priority): Removed.
10763 * haifa-sched.c (params.h): New include.
10764 (get_block_head_tail): Adjust all uses.
10765 (ISSUE_POINTS): New macro.
10766 (glat_start, glat_end): New global variables.
10767 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10768 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10769 old_last_basic_block, before_recovery, current_sched_info_var,
10770 rgn_n_insns, luid): New static variables.
10771 (insn_cost1): New function. Move logic from insn_cost to here.
10772 (find_insn_reg_weight1): New function. Move logic from
10773 find_insn_reg_weight to here.
10774 (reemit_notes, move_insn, max_issue): Change signature.
10775 (move_insn1): Removed.
10776 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10777 extend_bb): New static functions to support extension of scheduler's
10779 (generate_recovery_code, process_insn_depend_be_in_spec,
10780 begin_speculative_block, add_to_speculative_block,
10781 init_before_recovery, create_recovery_block, create_check_block_twin,
10782 fix_recovery_deps): New static functions to support
10783 generation of recovery code.
10784 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10785 restore_bb_notes, move_block_after_check, move_succs): New static
10786 functions to support ebb scheduling.
10787 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10788 functions to support handling of register live information.
10789 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10790 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10791 add_jump_dependencies): New static functions.
10792 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10793 consistancy checking.
10794 (debug_spec_status): New function to call from debugger.
10795 (priority): Added code to handle speculation checks.
10796 (rank_for_schedule): Added code to distinguish speculative instructions.
10797 (schedule_insn): Added code to handle speculation checks.
10798 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10799 Fixed to handle ebbs.
10800 (move_insn): Added code to handle ebb scheduling.
10801 (max_issue): Added code to use ISSUE_POINTS of instructions.
10802 (choose_ready): Added code to choose between speculative and
10803 non-speculative instructions.
10804 (schedule_block): Added code to handle ebb scheduling and scheduling of
10805 speculative instructions.
10806 (sched_init): Initialize new variables.
10807 (sched_finish): Free new variables. Print statistics.
10808 (try_ready): Added code to handle speculative instructions.
10809 * lists.c (copy_DEPS_LIST_list): New function.
10810 * sched-deps.c (extend_dependency_caches): New function. Move logic
10811 from create_dependency_caches to here.
10812 (get_dep_weak, ds_merge): Make global.
10813 * genattr.c (main): Code to output prototype for
10814 dfa_clear_single_insn_cache.
10815 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10816 (output_dfa_clean_insn_cache_func): Code to output
10817 dfa_clear_single_insn_cache function.
10818 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10820 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10822 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10823 New static variables.
10824 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10825 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10827 (ebb_sched_info): Initialize new fields.
10828 (get_block_head_tail): Adjust all uses.
10829 (compute_jump_reg_dependencies): Fixed to use glat_start.
10830 (schedule_ebb): Code to remove unreachable last block.
10831 (schedule_ebbs): Added code to update register live information.
10832 * sched-rgn.c (region_sched_info): Initialize new fields.
10833 (get_block_head_tail): Adjust all uses.
10834 (last_was_jump): Removed. Adjust users.
10835 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10836 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10837 Implement new hooks.
10838 (check_dead_notes1): New static function.
10839 (struct region): New fields: dont_calc_deps, has_real_ebb.
10840 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10841 (BB_TO_BLOCK): Fixed to handle EBBs.
10842 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10843 (ebb_head): New static variable.
10844 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10845 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10847 (compute_dom_prob_ps): New assertion.
10848 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10849 global_live_at_start.
10850 (init_ready_list): New assertions.
10851 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10852 (new_ready): Add support for BEGIN_CONTROL speculation.
10853 (schedule_insns): Fixed code that updates register live information
10855 (schedule_region): Fixed to handle EBBs.
10856 (init_regions): Use extend_regions and check_dead_notes1.
10857 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10858 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10859 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10860 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10861 TARGET_SCHED_GEN_CHECK,
10862 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10863 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10864 * doc/invoke.texi (max-sched-insn-conflict-delay,
10865 sched-spec-prob-cutoff): Document.
10867 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10869 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10870 inter_tick, queue_index.
10871 (struct sched_info): Change signature of init_ready_list field.
10872 Adjust all initializations.
10873 (RESOLVED_DEPS): New access macro.
10874 (ready_add): Remove prototype.
10875 (try_ready): Add prototype.
10876 * sched-rgn.c (init_ready_list): Use try_ready.
10877 (schedule_region): Initialize
10878 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10879 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10880 (init_ready_list): Use try_ready.
10881 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10882 * lists.c (remove_list_elem): Remove `static'.
10883 (remove_free_INSN_LIST_elem): New function.
10884 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10885 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10886 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10888 (readyp): New variable.
10889 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10890 change_queue_index, resolve_dep): New static functions.
10891 (try_ready): New function. Adjust callers in sched-rgn.c and
10892 sched-ebb.c to use it instead of ready_add.
10893 (clock_var): Move at the begining of file.
10894 (rank_for_schedule): Fix typo.
10895 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10896 (ready_lastpos): Enforce assertion.
10897 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10898 update all callers.
10899 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10900 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10901 (queue_to_ready): Use free_INSN_LIST_list.
10902 (early_queue_to_ready): Fix typo.
10903 (schedule_block): Init readyp. Move init_ready_list call after the
10904 initialization of clock_var. Fix error in rejecting insn by
10905 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10906 that previously corrected INSN_TICKs. Add code for handling
10908 (set_priorities): Fix typo.
10909 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10910 Clarify comment and code that keeps current_sched_info->next_tail
10913 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10915 * sched-rgn.c (extend_rgns): New static function.
10916 (find_rgns): Use it.
10917 (gather_region_statistics, print_region_statistics): New static
10919 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10920 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10922 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10923 Andrey Belevantsev <abel@ispras.ru>
10925 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10926 * lists.c (unused_deps_list): New variable.
10927 (free_list): Add assertions to verify the proper distinguishing
10928 between INSN_LISTs and DEPS_LISTs.
10929 (find_list_elem, remove_list_elem, remove_list_node): New static
10931 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10932 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10933 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10934 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10936 (free_INSN_LIST_node): Likewise.
10937 * modulo-sched.c (current_sched_info): Initialize flags field.
10938 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10939 * rtl.def (DEPS_LIST): Define.
10940 * rtl.h: Declare new functions from lists.c.
10941 * sched-deps.c (spec_dependency_cache): New static variable.
10942 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10943 (add_dependence): Change return type to void. Move the logic to ...
10944 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10945 (delete_all_dependences): Add comment about forward_dependency_cache.
10946 Handle spec_dependency_cache. Handle DEPS_LISTs.
10947 (fixup_sched_groups): Clarify the change of priority of output
10948 and anti dependencies.
10949 (sched_analyze_2): Adjust add_dependence calls to create data
10950 speculative dependence.
10951 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10952 Adjust all callers. Handle DEPS_LISTS.
10953 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10954 presence of speculation.
10955 (init_dependency_caches, free_dependency_caches):
10956 Handle spec_dependency_cache.
10957 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10958 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10959 New static functions.
10960 (add_or_update_back_dep, add_or_update_back_forw_dep,
10961 add_back_forw_dep, delete_back_forw_dep): New functions.
10962 * sched-int.h (ds_t, dw_t): New typedefs.
10963 (struct sched_info): Add new field flags.
10964 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10965 Prototype new sched-deps.c functions.
10966 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10967 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10968 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10969 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10970 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10971 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10973 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10975 * sched-rgn.c (current_sched_info): Initialize flags field.
10976 (schedule_insns): Initialize current_sched_info before the sched_init
10978 * sched-ebb.c (current_sched_info): Initialize flags field.
10979 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10980 Call add_or_update_back_dep instead of add_dependence.
10981 Create control speculative dependencies.
10982 (schedule_insns): Initialize current_sched_info before the sched_init
10985 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10987 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10989 (sh_fallback_frame_state): Likewise.
10991 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10993 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10994 Do switch on default_use_cxa_atexit.
10995 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10996 * config/darwin-crt3.o: New.
10997 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10998 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10999 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11001 * config/rs6000/t-darwin: Move crt2.o building to here.
11002 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11003 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11006 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11008 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11009 from '! xxx' to '!xxx' for coding-style conformance.
11010 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11011 (EXTRA_CONSTRAINT): Likewise.
11012 * config/vax/vax.md (four unnamed insns): Likewise.
11014 2006-03-15 Paul Brook <paul@codesourcery.com>
11016 * config/arm/arm.c (minipool_pad): New.
11017 (add_minipool_forward_ref): Include pool alignment padding in address
11019 (push_minipool_fix): Set minipool_pad.
11020 (minipool_pad): Ditto.
11022 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11024 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11025 instead of GET_CODE() == MEM and REG_P() instead of
11027 (print_operand_address): Likewise.
11028 (vax_address_cost): Likewise.
11029 (vax_rtx_costs): Likewise.
11030 (vax_notice_update_cc): Likewise.
11031 (vax_output_int_add): Likewise.
11032 (INDEX_REGISTER_P): Likewise.
11033 (BASE_REGISTER_P): Likewise.
11034 (nonindexed_address_p): Likewise.
11035 (vax_mode_dependent_address_p): Likewise.
11036 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11037 (PRINT_OPERAND): Likewise.
11038 * config/vax/vax.md (ashlsi3): Likewise.
11039 (ashlsi3): Likewise.
11040 (some more unnamed insns): Likewise.
11042 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11044 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11045 iterator-style macro.
11046 (mark_control_dependent_edges_necessary): Update the use of
11047 EXECUTE_IF_CONTROL_DEPENDENT.
11049 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11051 * config/sh/predicates.md (cache_address_operand): Special.
11052 (ua_address_operand): Likewise.
11054 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11056 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11058 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11060 2006-03-15 Andreas Schwab <schwab@suse.de>
11062 * gensupport.c (identify_predicable_attribute): Don't free p_false
11063 when it is still in use.
11065 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11067 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11068 the default setting here.
11070 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11072 * tree-pass.h (pass_cfg): Remove.
11073 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11074 * passes.c (pass_cfg): Don't run it.
11076 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11078 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11079 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11081 (stack_regs_mentioned): Update the uses of
11082 stack_regs_mentioned_data. Don't access the array beyond its
11084 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11085 Don't include gt-reg-stack.h.
11087 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11088 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11090 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11092 PR middle-end/26684
11093 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11096 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11098 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11100 2006-03-14 Richard Guenther <rguenther@suse.de>
11102 PR tree-optimization/26672
11103 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11106 2006-03-14 Richard Guenther <rguenther@suse.de>
11108 PR tree-optimization/26667
11109 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11110 node for the callees. Always allow inlining if it will shrink
11113 2006-03-14 Richard Guenther <rguenther@suse.de>
11115 PR middle-end/26659
11116 * builtins.c (get_pointer_alignment): Prefer alignment
11117 information from decls over that from types.
11119 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11122 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11124 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11126 * config/rs6000/rs6000.opt (mdlmzb): New option.
11127 (msched-prolog, msched-epilog): Use Var not Mask.
11128 * doc/invoke.texi (-mdlmzb): Document.
11129 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11131 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11132 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11134 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11136 PR rtl-optimization/25739
11137 * bt-load.c (augment_live_range): Free tos pointer.
11139 * gensupport.c (identify_predicable_attribute): Free
11141 * gcov.c (create_file_names): Free name pointer.
11143 2006-03-13 Roger Sayle <roger@eyesopen.com>
11145 PR middle-end/26557
11146 * stmt.c (emit_case_nodes): Handle the case where the index is a
11147 CONST_INT, where the comparison mode is specified by the index type.
11149 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11151 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11154 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11156 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11157 (*branch_fp_inverted): Likewise.
11159 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11161 PR middle-end/25989
11162 * omp-low.c (expand_omp_for_generic): Mark istart0
11163 and iend0 as addressable.
11165 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11167 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11169 2006-03-13 Jeff Law <law@redhat.com>
11171 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11172 virtual operands are interesting.
11173 (vrp_visit_stmt): Corresponding changes.
11175 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11177 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11179 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11180 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11181 * config/bfin/crti.S: Use it instead of __PIC__.
11182 * config/bfin/crtn.S: Likewise.
11184 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11185 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11187 Lose 'G' modifier for call operand.
11188 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11189 recognize 'G' modifier.
11191 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11193 PR middle-end/18859
11194 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11195 * stmt.c (expand_case): Likewise.
11197 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11199 PR rtl-optimization/26254
11200 * loop-invariant.c (seq_insns_valid_p): New function.
11201 (move_invariant_reg): Only emit new code if it is valid.
11203 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11205 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11207 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11208 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11209 (commit_one_edge_insertion): Do not look for loop notes.
11211 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11213 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11214 flag_test_coverage out of loop.
11216 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11218 * final.c (shorten_branches): Remove outdated comment, and turn
11219 the if branch that guards it to continue.
11221 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11223 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11224 * cfgloop.h (struct loop): Remove unused fields.
11226 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11228 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11229 (-dL, -fdump-rtl-loop2): Update the dump file names
11231 * doc/invoke.texi: Update dump file names.
11233 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11235 * predict.c (estimate_probability): Remove.
11236 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11237 * basic-block.h (estimate_probability): Remove prototype.
11238 * passes.c (finish_optimization_passes): Dump branch prediction or
11239 profiling heuristics to the .profile tree dump.
11240 (init_optimization_passes): Unqueue pass_branch_prob.
11242 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11244 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11246 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11247 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11249 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11251 * function.h (frame_offset_overflow): Declare.
11252 * function.c (frame_offset_overflow): New function.
11253 (assign_stack_local_1): Call it to detect that the offset overflows.
11254 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11256 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11258 * config/sh/sh.c: Include alloc-pool.h.
11259 (label_ref_list_pool): New alloc pool.
11260 (label_ref_list_t): New type for lists of labels.
11261 (struct pool_node): Make wend a label_ref_list_t.
11262 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11264 (dump_table): Likewise.
11265 (sh_reorg): Set up the alloc pool before using add_constant and
11266 dump_table, and destroy it when finishing.
11268 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11270 * config/mips/mips.c: Remove redundant comment.
11272 2006-03-10 Jason Merrill <jason@redhat.com>
11275 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11276 the target was declared 'register'.
11278 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11280 * genpreds.c (write_insn_constraint_len): Change definition of
11281 insn_constraint_len to return size_t to match the declaration.
11283 2006-03-10 DJ Delorie <dj@redhat.com>
11285 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11287 (m32c_expand_insv): Fix test for an AND mask.
11289 2006-03-10 Richard Guenther <rguenther@suse.de>
11291 PR middle-end/26565
11292 * builtins.c (get_pointer_alignment): Handle component
11293 references for field alignment.
11295 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11297 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11298 when building with libgloss.
11299 (sh*elf): Implement --without-fp option.
11300 (sh64-superh-linux*): Don't multilib.
11302 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11304 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11306 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11308 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11309 Set it when one of the replacement functions returned true.
11310 Return TODO_cleanup_cfg if cfgchanged is true.
11311 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11313 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11315 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11316 instead of gen_lowpart.
11318 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11320 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11322 (mips_output_order_conditional_branch): Declare.
11323 * config/mips/mips.h (MIPS_BRANCH): New macro.
11324 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11325 for the comparison. Use gen_condjump.
11326 (mips_output_conditional_branch): Rework interface to take the
11327 asm templates for a direct branch and the inverse of a direct branch.
11328 (mips_output_order_conditional_branch): New function.
11329 (mips_builtin_branch_and_move): New function.
11330 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11331 branch condition. Use gen_single_cc as the condition for
11332 __builtin_mips_upper_* or __builtin_mips_lower_*.
11333 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11334 Use VOIDmode for the branch condition.
11335 * config/mips/predicates.md (order_operator): New predicate.
11336 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11337 (branch_fp): Rename to...
11338 (*branch_fp): ...this. Remove mode from comparison operator.
11339 Use new mips_output_conditional_branch interface.
11340 (branch_fp_inverted): Rename to...
11341 (*branch_fp_inverted): ...this and update as for *branch_fp.
11342 (*branch_zero<mode>): Rename to...
11343 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11344 Use mips_output_order_conditional_branch. Only accept ordered
11346 (*branch_zero<mode>_inverted): Rename to...
11347 (*branch_order<mode>_inverted): ...this and update as for
11348 *branch_order<mode>.
11349 (*branch_equality<mode>): Accept zero as the second operand to
11350 the equality operator. Use the new mips_output_conditional_branch
11352 (*branch_equality<mode>_inverted): Likewise.
11353 (condjump): New expander.
11354 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11356 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11357 (bc1any2t, bc1any2f): Likewise.
11358 (single_cc): New expander.
11359 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11361 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11363 * doc/md.texi: Update documentation of MIPS constraints.
11364 * config/mips/constraints.md: New file.
11365 * config/mips/mips.md: Include it.
11366 * config/mips/mips.c (mips_char_to_class): Delete.
11367 (override_options): Don't initialize mips_char_to_class.
11368 * config/mips/mips.h (mips_char_to_class): Delete.
11369 (REG_CLASS_FROM_LETTER): Delete.
11370 (CONST_OK_FOR_LETTER_P): Delete.
11371 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11372 (EXTRA_CONSTRAINT_Y): Delete.
11373 (EXTRA_CONSTRAINT_STR): Delete.
11374 (CONSTRAINT_LEN): Delete.
11375 (EXTRA_MEMORY_CONSTRAINT): Delete.
11377 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11379 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11380 original fn's eh regions.
11382 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11384 * fold-const.c (build_range_check): Make sure to use a valid type to
11385 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11388 (range_predecessor): New static function.
11389 (range_successor): Likewise.
11390 (merge_ranges): Use them to compute predecessors and successors of
11393 2006-03-09 Roger Sayle <roger@eyesopen.com>
11395 PR middle-end/26561
11396 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11397 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11399 2006-03-08 DJ Delorie <dj@redhat.com>
11401 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11402 (addpsi3): Expand to include memory operands. Remove
11403 reload-specific splits.
11404 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11405 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11406 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11407 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11408 (shift1_qi, shift1_hi, insv): New.
11409 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11410 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11411 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11413 * config/m32c/m32c-protos.h: Update as needed.
11414 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11415 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11416 Fail for unrecognized R* constraints.
11417 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11418 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11419 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11421 (m32c_init_libfuncs): New.
11422 (m32c_legitimate_address_p): Add debug wrapper.
11423 (m32c_rtx_costs): New.
11424 (m32c_address_cost): New.
11425 (conversions): Add 'B' prefix.
11426 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11427 operands, or word regnames for QI operands. 'B' prints bit
11429 (m32c_expand_setmemhi): New.
11430 (m32c_expand_movmemhi): New.
11431 (m32c_expand_movstr): New.
11432 (m32c_expand_cmpstr): New.
11433 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11434 (m32c_expand_neg_mulpsi3): Handle non-ints.
11435 (m32c_cmp_flg_0): New.
11436 (m32c_expand_movcc): New.
11437 (m32c_expand_insv): New.
11438 (m32c_scc_pattern): New.
11439 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11440 a0/a1 out of SIregs.
11441 (STORE_FLAG_VALUE): New.
11442 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11445 * config/m32c/mov.md: Make constraints more liberal.
11446 (zero_extendqihi2): Optimize r0/r1 case.
11447 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11448 * config/m32c/predicates.md (m32c_any_operand): New.
11449 (m32c_nonimmediate_operand): New.
11450 (m32c_hl_operand): New.
11451 (m32c_r3_operand): New.
11454 (memsym_operand): New.
11455 (memimmed_operand): New.
11456 (a_qi_operand): New.
11457 (m32c_eqne_operator): New.
11458 (m32c_1bit8_operand): New.
11459 (m32c_1bit16_operand): New.
11460 (m32c_1mask8_operand): New.
11461 (m32c_1mask16_operand): New.
11462 * config/m32c/blkmov.md: New file.
11463 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11465 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11467 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11468 unsigned to fix signed/unsigned comparison issue in
11469 DWARF2_FRAME_REG_OUT.
11470 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11471 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11473 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11474 of ptr into the ENABLE_CHECKING section.
11476 2006-03-08 Jeff Law <law@redhat.com>
11478 * tree-vrp.c (infer_value_range): Only count pointer uses
11479 and dereferences if -fdelete-null-pointer-checks is enabled.
11481 * tree-vrp.c (find_assert_locations): Infer value ranges for
11482 single use pointers, but do not create ASSERT_EXPRs for them.
11483 When a non-null range is inferred for a pointer, backwards
11484 propagate that range to other equivalent pointers through the
11487 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11490 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11491 language hook targets.
11492 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11493 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11494 if language hook targets were missing.
11496 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11498 * tree-ssa-opfinalize.h: Removed.
11499 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11501 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11502 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11503 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11504 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11505 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11506 finalize_ssa_v_must_def_ops): New.
11508 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11510 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11511 block as parameter.
11513 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11515 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11517 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11518 addresses with offsets; reorganize.
11520 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11521 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11522 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11524 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11527 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11529 2006-03-08 Ben Elliston <bje@au.ibm.com>
11531 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11533 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11536 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11539 2006-03-07 Richard Guenther <rguenther@suse.de>
11541 PR tree-optimization/26587
11542 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11544 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11546 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11548 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11550 * hooks.c (hook_bool_mode_rtx_true): New function.
11551 * hooks.h (hook_bool_mode_rtx_true): Declare.
11552 * toplev.c (compile_file): Call output_shared_constant_pool.
11553 * varasm.c (shared_constant_pool): New variable.
11554 (assemble_start_function, assemble_end_function): Remove arguments
11555 from call to output_constant_pool.
11556 (create_constant_pool): New function, split out from...
11557 (init_varasm_status): ...here.
11558 (force_const_mem): Choose between the shared and per-function constant
11559 pools. Set current_function_uses_const_pool when reusing old entries
11560 as well as when creating new ones.
11561 (mark_constant): Ignore data argument.
11562 (mark_constants): Remove pool argument.
11563 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11564 to decide whether the function uses a constant pool.
11565 (output_constant_pool_contents): New function, split out from...
11566 (output_constant_pool): ...here.
11567 (output_shared_constant_pool): New function.
11568 (init_varasm_once): Initialize shared_constant_pool.
11569 * output.h (output_constant_pool): Delete.
11570 (output_shared_constant_pool): Declare.
11571 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11572 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11574 2006-03-06 Nick Clifton <nickc@redhat.com>
11576 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11577 flag_strength_reduce.
11579 2006-03-06 Ben Elliston <bje@au.ibm.com>
11581 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11582 x86_64-*-linux* configurations.
11584 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11585 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11587 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11589 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11591 * basic-block.h: Remove the extern for
11592 rediscover_loops_after_threading.
11594 * cfgloop.c (cancel_loop): Make it static.
11595 * cfgloop.h: Remove the prototype for cancel_loop.
11597 * flow.c (recompute_reg_usage): Make it static.
11598 * rtl.h: Remove the prototype for recompute_reg_usage.
11600 * function.c (use_return_register): Make it static.
11601 * function.h: Remove the prototype.
11603 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11605 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11607 * recog.h: Remove the prototype for
11608 validate_change_maybe_volatile.
11610 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11612 * rtlanal.c (replace_reg): Remove.
11613 * rtl.h: Remove the prototype for replace_reg.
11615 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11617 * regclass.c (reg_scan_update): Remove.
11618 (reg_scan_mark_refs): Remove the last argument.
11619 * rtl.h: Remove the prototype for reg_scan_update.
11621 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11623 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11624 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11625 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11626 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11627 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11628 loop-invariant.c, omp-low.c, opts.c, passes.c,
11629 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11630 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11631 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11632 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11633 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11634 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11636 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11638 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11639 * dwarf2out.h: Remove the prototype for
11640 dwarf2out_add_library_unit_info.
11642 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11644 * tree.c (add_var_to_bind_expr): Remove.
11645 * tree.h: Remove the prototype for add_var_to_bind_expr.
11647 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11649 * regclass.c (n_non_fixed_regs): Remove.
11650 (init_reg_sets_1, globalize_reg): Remove all uses of
11652 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11654 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11656 * rtlanal.c (insns_safe_to_move_p): Remove.
11657 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11659 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11661 * expmed.c (expand_mult_add): Remove.
11662 * expr.h: Remove the prototype for expand_mult_add.
11664 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11666 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11667 and REG_SAVED_VAL_EXP constants.
11668 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11669 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11670 Handle regs stored by value.
11671 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11672 (execute_cfa_program): Handle DW_CFA_val_offset,
11673 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11674 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11675 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11676 (uw_install_context_1): Handle target regs stored by value.
11678 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11680 * tree-sra.c (tree_sra): Return todoflags;
11681 (generate_one_element): Set TODO_update_smt_usage if needed.
11682 (pass_sra): Remove TODO_update_smt_usage.
11683 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11685 (tree_ssa_forward_propagate_single_use_vars): Return
11686 TODO_update_smt_usage if we need to update SMT usage.
11687 (pass_forwprop): Remove TODO_update_smt_usage.
11689 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11691 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11692 (correct_use_link): Remove reference to get_stmt_operands.
11693 (update_stmt_operands): Likewise.
11694 (get_modify_expr_operands): New function factored out of
11695 parse_ssa_operands and get_expr_operands.
11696 Try to create V_MUST_DEFs for LHS by default.
11697 (get_expr_operands) <case MODIFY_EXPR>: Call
11698 get_modify_expr_operands.
11699 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11700 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11701 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11702 get_modify_expr_operands.
11704 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11706 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11707 * tree-flow.h: Remove the prototype for
11708 referenced_var_lookup_if_exists.
11710 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11712 PR rtl-optimization/26345
11714 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11716 2006-03-03 Roger Sayle <roger@eyesopen.com>
11718 PR tree-optimization/26524
11719 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11720 fold_convert to create a constant of the appropriate type.
11722 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11724 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11725 SYMBOL_REF_IN_BLOCK_P.
11726 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11727 of SYMBOL_FLAG_IN_BLOCK.
11728 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11729 instead of SYMBOL_REF_IN_BLOCK_P.
11730 * explow.c (use_anchored_address): Likewise.
11731 * rtl.c (rtx_size): Likewise.
11732 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11733 instead of SYMBOL_FLAG_IN_BLOCK.
11734 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11735 SYMBOL_REF_IN_BLOCK_P.
11736 (assemble_variable): Likewise.
11737 (output_constant_def_contents): Likewise.
11738 (output_constant_pool): Likewise.
11739 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11740 instead of SYMBOL_FLAG_IN_BLOCK.
11741 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11742 SYMBOL_REF_IN_BLOCK_P.
11743 (SYMBOL_REF_BLOCK): Likewise.
11744 (SYMBOL_REF_OFFSET): Likewise.
11745 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11746 SYMBOL_REF_IN_BLOCK_P.
11747 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11748 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11749 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11750 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11752 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11754 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11756 2006-03-02 Roger Sayle <roger@eyesopen.com>
11758 * simplify-rtx.c (simplify_unary_operation): When simplifying
11759 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11760 that we perform the right shift in the appropriate mode, and
11761 then extend or truncate the result to requested mode.
11763 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11765 * gengtype.c (main): Handle double_int type.
11766 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11767 * double-int.c: New file.
11768 * double-int.h: New file.
11769 * system.h: Include doubleint.h.
11770 * Makefile.in (SYSTEM_H): Include double-int.h.
11771 (double-int.o): Add.
11773 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11776 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11779 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11781 * tree-vrp.c (remove_range_assertions): Do not update statements
11784 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11786 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11788 * gcse.c (rest_of_handle_gcse): Ditto.
11789 * except.c (gate_handle_eh): Ditto.
11790 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11791 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11793 2006-03-02 Eric Christopher <echristo@apple.com>
11795 * config/i386/i386.c (machopic_output_stub): Add indirection to
11798 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11802 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11804 Sun Niagara specific optimizations.
11805 * config.gcc: Recognize niagara as target.
11806 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11807 (TARGET_CPU_niagara): Define.
11808 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11809 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11810 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11811 (ASM_CPU_SPEC): Likewise.
11812 (PROCESSOR_NIAGARA): New enum entry.
11813 (REGISTER_MOVE_COST): Handle Niagara.
11814 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11815 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11816 (sparc_override_options): Recognize "niagara", set appropriate
11817 default MASK_* values for it, and align functions to 32-bytes
11818 by default just like ULTRASPARC/ULTRASPARC3.
11819 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11820 (sparc64_initialize_trampoline): Likewise.
11821 (sparc_use_sched_lookahead): Use zero for niagara.
11822 (sparc_issue_rate): Use one for niagara.
11823 * config/sparc/niagara.md: New file.
11824 * config/sparc/sparc.md: Include it.
11825 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11826 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11827 when default cpu is niagara.
11828 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11829 (ASM_CPU_SPEC): Likewise.
11830 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11831 when default cpu is niagara.
11832 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11833 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11834 just like v9/ultrasparc/ultrasparc3.
11835 * doc/invoke.texi: Add documentation for "niagara" and improve
11836 existing documentation for ultrasparc variants.
11838 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11840 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11842 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11844 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11845 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11846 and say that only one is needed.
11847 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11848 * target.h (have_switchable_bss_sections): New hook.
11849 * explow.c (use_anchored_address): Check that the symbol is in a block.
11850 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11851 (bss_noswitch_section): New variables.
11852 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11853 (get_noswitch_section): New function.
11854 (get_block_for_section): Allow SECT to be null.
11855 (unlikely_text_section_p): Use SECTION_STYLE.
11856 (bss_initializer_p): New function.
11857 (get_variable_section): Move earlier in file. Take a new argument,
11858 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11859 Return one of the new *_sections in such cases.
11860 (get_block_for_decl): New function, extracting some logic from
11861 use_blocks_for_decl_p.
11862 (change_symbol_section): Remove in favor of...
11863 (change_symbol_block): ...this new function.
11864 (use_blocks_for_decl_p): Remove checks now performed by
11865 get_block_for_decl.
11866 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11867 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11868 (emit_local, emit_bss, emit_common): ...these new functions.
11869 Return true if the alignment was honored.
11870 (emit_tls_common): New function.
11871 (asm_emit_uninitialised): Delete.
11872 (assemble_variable_noswitch): New function, split out from...
11873 (assemble_variable): ...here. Don't make decisions about common
11874 variables here. Globalize all public decls that go into non-common
11875 sections. Check whether SYMBOL_REF_BLOCK is null.
11876 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11877 (output_constant_pool): Likewise.
11878 (init_varasm_once): Initialize the new section variables.
11879 (have_global_bss_p): New function.
11880 (categorize_decl_for_section): Use bss_initializer_p.
11881 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11882 (place_block_symbol): Assert that the symbol must be in a block.
11883 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11884 (TARGET_INITIALIZER): Include it.
11885 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11886 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11887 (SECTION_MACH_DEP): Bump by two.
11888 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11889 (unnamed_section): Mention SECTION_UNNAMED in comment.
11890 (named_section): Likewise SECTION_NAMED.
11891 (noswitch_section_callback): New type.
11892 (noswitch_section): New structure.
11893 (section): Add a noswitch_section alternative.
11894 (SECTION_STYLE): New macro.
11895 (tls_comm_section, comm_section, lcomm_section): Declare.
11896 (bss_noswitch_section, have_global_bss_p): Declare.
11897 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11898 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11900 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11901 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11904 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11906 * tree-vrp.c (execute_vrp): Return value.
11907 * regrename.c (rest_of_handle_regrename): Ditto.
11908 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11909 * tree-complex.c (tree_lower_complex): Ditto.
11910 (tree_lower_complex_O0): Ditto.
11911 * tracer.c (rest_of_handle_tracer): Ditto.
11912 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11913 * postreload.c (rest_of_handle_postreload): Ditto.
11914 * tree-tailcall.c (execute_tail_recursion): Ditto.
11915 (execute_tail_calls): Ditto.
11916 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11917 * tree.h (init_function_for_compilation): Ditto.
11918 * ipa-cp.c (ipcp_driver): Ditto.
11919 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11920 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11921 * final.c (compute_alignments): Ditto.
11922 (rest_of_handle_final): Ditto.
11923 (rest_of_handle_shorten_branches): Ditto.
11924 (rest_of_clean_state): Ditto.
11925 * omp-low.c (execute_expand_omp): Ditto.
11926 (execute_lower_omp): Ditto.
11927 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11928 * ipa-reference.c (static_execute): Ditto.
11929 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11930 * reorg.c (rest_of_handle_delay_slots): Ditto.
11931 (rest_of_handle_machine_reorg): Ditto.
11932 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11933 * flow.c (recompute_reg_usage): Ditto.
11934 (rest_of_handle_remove_death_notes): Ditto.
11935 (rest_of_handle_life): Ditto.
11936 (rest_of_handle_flow2): Ditto.
11937 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11938 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11939 (do_ssa_store_ccp): Ditto.
11940 (execute_fold_all_builtins): Ditto.
11941 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11942 * modulo-sched.c (rest_of_handle_sms): Ditto.
11943 * ipa-pure-const.c (static_execute): Ditto.
11944 * cse.c (rest_of_handle_cse): Ditto.
11945 (rest_of_handle_cse2): Ditto.
11946 * web.c (rest_of_handle_web): Ditto.
11947 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11948 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11949 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11950 * tree-nrv.c (tree_nrv): Ditto.
11951 (execute_return_slot_opt): Ditto.
11952 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11953 (create_structure_vars): Ditto.
11954 * loop-init.c (rtl_loop_init): Ditto.
11955 (rtl_loop_done): Ditto.
11956 (rtl_move_loop_invariants): Ditto.
11957 (rtl_unswitch): Ditto.
11958 (rtl_unroll_and_peel_loops): Ditto.
11959 (rtl_doloop): Ditto.
11960 * gimple-low.c (lower_function_body): Ditto.
11961 (mark_used_blocks): Ditto.
11962 * tree-ssa-sink.c (execute_sink_code): Ditto.
11963 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11964 (cgraph_early_inlining): Ditto.
11965 * global.c (rest_of_handle_global_alloc): Ditto.
11966 * jump.c (cleanup_barriers): Ditto.
11967 (purge_line_number_notes): Ditto.
11968 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11969 (rest_of_handle_if_after_reload): Ditto.
11970 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11971 (tree_ssa_loop_im): Ditto.
11972 (tree_ssa_loop_unswitch): Ditto.
11973 (tree_vectorize): Ditto.
11974 (tree_linear_transform): Ditto.
11975 (tree_ssa_loop_ivcanon): Ditto.
11976 (tree_ssa_empty_loop): Ditto.
11977 (tree_ssa_loop_bounds): Ditto.
11978 (tree_complete_unroll): Ditto.
11979 (tree_ssa_loop_prefetch): Ditto.
11980 (tree_ssa_loop_ivopts): Ditto.
11981 (tree_ssa_loop_done): Ditto.
11982 * predict.c (tree_estimate_probability): Ditto.
11983 * recog.c (split_all_insns_noflow): Ditto.
11984 (rest_of_handle_peephole2): Ditto.
11985 (rest_of_handle_split_all_insns): Ditto.
11986 * tree-eh.c (lower_eh_constructs): Ditto.
11987 * regmove.c (rest_of_handle_regmove): Ditto.
11988 (rest_of_handle_stack_adjustments): Ditto.
11989 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11990 * function.c (instantiate_virtual_regs): Ditto.
11991 (init_function_for_compilation): Ditto.
11992 (rest_of_handle_check_leaf_regs): Ditto.
11993 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11994 (rest_of_handle_gcse): Ditto.
11995 * ipa-type-escape.c (type_escape_execute): Ditto.
11996 * alias.c (rest_of_handle_cfg): Ditto.
11997 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11998 * profile.c (rest_of_handle_branch_prob): Ditto.
11999 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12000 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12001 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12002 * tree-dfa.c (find_referenced_vars): Ditto.
12003 * except.c (set_nothrow_function_flags): Ditto.
12004 (convert_to_eh_region_ranges): Ditto.
12005 (rest_of_handle_eh): Ditto.
12006 * emit-rtl.c (unshare_all_rtl): Ditto.
12007 (remove_unnecessary_notes): Ditto.
12008 * except.h (set_nothrow_function_flags): Ditto.
12009 (convert_to_eh_region_ranges): Ditto.
12010 * cfgexpand.c (tree_expand_cfg): Ditto.
12011 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12012 * tree-ssa-pre.c (do_pre): Ditto.
12013 (execute_fre): Ditto.
12014 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12015 (rest_of_handle_jump2): Ditto.
12016 * tree-sra.c (tree_sra): Ditto.
12017 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12018 (execute_mudflap_function_decls): Ditto.
12019 * tree-ssa-copy.c (do_copy_prop): Ditto.
12020 (do_store_copy_prop): Ditto.
12021 * ipa-prop.h (ipcp_driver): Ditto.
12022 * cfglayout.c (insn_locators_initialize): Ditto.
12023 * tree-ssa-forwprop.c
12024 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12025 * cfglayout.h (insn_locators_initialize): Ditto.
12026 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12027 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12028 (execute_late_warn_uninitialized): Ditto.
12029 * rtl.h (cleanup_barriers): Ditto.
12030 (split_all_insns_noflow): Ditto.
12031 (purge_line_number_notes): Ditto.
12032 (unshare_all_rtl): Ditto.
12033 (remove_unnecessary_notes): Ditto.
12034 (recompute_reg_usage): Ditto.
12035 (variable_tracking_main): Ditto.
12036 * integrate.c (emit_initial_value_sets): Ditto.
12037 * integrate.h (emit_initial_value_sets): Ditto.
12038 * tree-optimize.c (execute_free_datastructures): Ditto
12039 (execute_free_cfg_annotations): Ditto.
12040 (execute_fixup_cfg): Ditto.
12041 (execute_cleanup_cfg_pre_ipa): Ditto.
12042 (execute_cleanup_cfg_post_optimizing): Ditto.
12043 (execute_init_datastructures): Ditto.
12044 * tree-object-size.c (compute_object_sizes): Ditto.
12045 * combine.c (rest_of_handle_combine): Ditto.
12046 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12047 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12048 (rest_of_handle_reorder_blocks): Ditto.
12049 (rest_of_handle_partition_blocks): Ditto.
12050 * var-tracking.c (variable_tracking_main): Ditto.
12051 * tree-profile.c (tree_profiling): Ditto.
12052 * tree-vect-generic.c (expand_vector_operations): Ditto.
12053 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12054 * sched-rgn.c (rest_of_handle_sched): Ditto.
12055 (rest_of_handle_sched2): Ditto.
12056 * basic-block.h (free_bb_insn): Ditto.
12057 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12058 * tree-cfg.c (execute_build_cfg): Ditto.
12059 (remove_useless_stmts): Ditto.
12060 (split_critical_edges): Ditto.
12061 (execute_warn_function_return): Ditto.
12062 (execute_warn_function_noreturn): Ditto.
12063 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12064 * cfgrtl.c (free_bb_for_insn): Ditto.
12065 * passes.c (execute_one_pass): Run additional
12066 todos returned by execute function.
12067 * tree-pass.h (struct tree_opt_pass): Make execute
12070 2006-03-02 Richard Guenther <rguenther@suse.de>
12072 * tree-ssa-alias.c (find_used_portions): Consider taking
12073 the address as making the variable not write-only.
12075 2006-03-02 Nick Clifton <nickc@redhat.com>
12077 * config.gcc (default_use_cxa_atexit): Extend the description of
12078 this configure variable. Set its default value to "yes" for
12079 Linux, NetBSD and ELF targets on the assumption that they will
12080 use C libraries with the __cxa_atexit function.
12082 2006-03-02 Ben Elliston <bje@au.ibm.com>
12084 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12085 parameter as unused to suppress a build warning.
12087 2006-03-02 Ben Elliston <bje@au.ibm.com>
12089 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12092 2006-03-01 Roger Sayle <roger@eyesopen.com>
12095 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12096 declared name, the weak reference name, and the typeof name.
12097 (__gthrw): Avoid expanding the declared name suffix.
12098 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12100 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12102 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12104 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12105 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12106 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12107 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12108 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12109 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12110 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12111 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12112 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12113 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12114 (DW_END_default, DW_END_big, DW_END_little): New.
12115 (DW_END_lo_user, DW_END_hi_user): Define.
12116 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12117 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12118 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12121 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12123 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12125 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12127 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12129 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12131 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12132 to 'symbol_mem_tag'.
12134 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12137 2006-03-01 Roger Sayle <roger@eyesopen.com>
12139 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12141 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12144 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12145 MACHO_DYNAMIC_NO_PIC_P.
12146 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12148 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12151 * config/darwin-protos.h (darwin_asm_output_anchor):
12153 * config/darwin-sections.def (cstring_section):
12154 Add SECTION_MERGE to the flags.
12155 (literal4_section): Likewise.
12156 (literal8_section): Likewise.
12157 (objc_selector_refs_section): Likewise.
12158 (objc_cls_refs_section): Likewise.
12159 * config/darwin.c (darwin_asm_output_anchor): New
12161 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12163 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12165 Fix PR tree-optimization/26443
12166 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12167 to todo and PROP_tmt_usage to properties_destroyed.
12168 * tree-ssa-ccp.c (pass_ccp): Ditto.
12169 (pass_store_ccp): Ditto.
12170 * tree-ssa-dom.c (pass_dominator): Ditto.
12172 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12174 * tree-ssa-operands.c: Cleanup whitespace.
12175 (get_asm_expr_operands): Move before first invocation.
12176 (get_indirect_ref_operands): Likewise.
12177 (get_tmr_operands): Likewise.
12178 (get_call_expr_operands): Likewise.
12179 (append_def): Likewise.
12180 (append_use): Likewise.
12181 (append_v_may_def): Likewise.
12182 (append_v_must_def): Likewise.
12183 (add_call_clobber_ops): Likewise.
12184 (add_call_read_ops): Likewise.
12185 (add_stmt_operand): Likewise.
12186 (add_virtual_operand): Likewise.
12187 (build_ssa_operands): Likewise.
12189 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12191 PR middle-end/26022
12193 PR middle-end/24437
12194 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12195 with a call expr to ...
12196 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12198 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12200 * tree-vrp.c (extract_range_from_assert): Remove special
12201 handling for types with super-types.
12203 2006-03-01 Ben Elliston <bje@au.ibm.com>
12205 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12206 and powerpc64-*-linux* configurations.
12207 * config/t-dfprules: New file.
12209 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12210 Compile dfp-bit.c from the source directory using -DWIDTH and
12211 $DFP_CFLAGS to control the compilation of that file, rather than
12212 generating width-specific versions in the build directory.
12213 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12214 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12216 2006-02-28 Zack Weinberg <zackw@panix.com>
12218 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12221 2006-02-28 Eric Christopher <echristo@apple.com>
12223 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12224 Set up IN_LIBGCC definition of TARGET_64BIT.
12225 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12227 2006-02-28 Roger Sayle <roger@eyesopen.com>
12229 PR middle-end/14752
12230 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12231 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12232 cases via the construction of "expr != 0".
12234 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12236 * alias.c (alias_invariant, alias_invariant_size): Remove.
12237 (record_base_value): Remove.
12238 (memrefs_conflict_p): Don't look at alias_invariant.
12239 (end_alias_analysis): Don't free it.
12240 * alias.h (record_base_value): Remove prototype.
12242 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12243 Adam Nemet <anemet@caviumnetworks.com>
12245 * rtl.h (truncated_to_mode): Declare it.
12246 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12247 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12248 (RTL_HOOKS_INITIALIZER): Include it.
12249 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12250 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12251 reg_truncated_to_mode.
12252 * rtlanal.c (truncated_to_mode): Define it.
12253 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12255 2006-02-28 Jeff Law <law@redhat.com>
12257 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12258 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12259 the range allowed by TYPE_PRECISION.
12261 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12263 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12265 PR tree-optimization/26419
12266 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12269 2006-02-27 Zack Weinberg <zackw@panix.com>
12271 * doc/md.texi: Fix typo in previous change.
12273 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12277 2006-02-27 Zack Weinberg <zackw@panix.com>
12279 * rtl.def (define_constraint, define_register_constraint)
12280 (define_memory_constraint, define_address_constraint): New MD forms.
12281 * gensupport.c (process_rtx): Put define_constraint etc on the
12283 * genpreds.c (process_define_predicate): Adjust comment. Validate
12284 the name, and call validate_exp to validate the expression.
12285 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12286 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12287 all callers changed.
12288 (validate_exp, needs_variable, struct constraint_data)
12289 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12290 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12291 (const_dbl_constraints, constraint_max_namelen)
12292 (have_register_constraints, have_memory_constraints)
12293 (have_address_constraints, have_address_constraints)
12294 (have_extra_constraints, have_const_int_constraints)
12295 (have_const_dbl_constraints, mangle, add_constraint)
12296 (process_define_constraint, process_define_register_constraint)
12297 (write_enum_constraint_num, write_lookup_constraint)
12298 (write_insn_constraint_len, write_regclass_for_constraint)
12299 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12300 (write_insn_extra_memory_constraint)
12301 (write_insn_extra_address_constraint)
12302 (write_satisfies_constraint_fns): New.
12303 (write_tm_preds_h): If we have new-style constraint definitions,
12304 prototype the functions generated from them, and define the
12305 old constraint interface (still used by generic code) in terms of
12307 (write_insn_preds_c): If we have new-style constraint definitions,
12308 generate all relevant functions from those definitions.
12309 (main): Handle define_constraint etc.
12310 * genoutput.c (struct constraint_data, indep_constraints)
12311 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12312 (mdep_constraint_len): New data structures and functions, defined
12313 #ifdef USE_MD_CONSTRAINTS.
12314 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12315 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12316 use new logic to validate operand constraints against constraint
12318 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12320 * defaults.h: If none of the old-style constraint macros are
12321 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12322 old-style macros; and poison REG_CLASS_FROM_LETTER,
12323 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12325 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12326 * doc/md.texi: Document new constraint-definition mechanism and the
12327 C interface it provides. Remove references to old mechanism
12328 elsewhere in the document.
12329 (Machine Constraints): Use pathnames relative to gcc directory,
12330 i.e. config/ARCH/FILE. Change i386 section to refer to
12331 config/i386/predicates.md; update that section to match docstrings.
12332 * doc/tm.texi: Move all documentation of the old constraint-
12333 definition macros to their own section, clearly mark as obsolete.
12335 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12336 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12338 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12339 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12340 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12341 constraint strings.
12342 (splits and peepholes): Use satisfies_constraint_*.
12343 * config/i386/i386.c (memory_address_length)
12344 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12346 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12348 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12349 scalar operation to be put back into the loop.
12351 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12354 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12355 (extract_cie_info): Handle S flag in augmentation string.
12356 (execute_cfa_program): If context->signal_frame, execute also
12357 fs->pc == context->ra instructions.
12358 (uw_frame_state_for): If context->signal_frame, don't subtract one
12359 from context->ra to find FDE.
12360 (uw_update_context_1): Set context->signal_frame to
12362 (_Unwind_GetIPInfo): New function.
12363 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12364 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12366 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12367 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12368 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12369 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12370 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12371 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12372 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12373 x86_64_fallback_frame_state): Set fs->signal_frame.
12374 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12375 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12376 (frob_update_context): Likewise. Workaround missing S flag in
12377 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12378 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12379 Remove the psw_addr + 1 hack.
12381 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12383 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12384 with aggregates here.
12385 (find_func_aliases): Remove code for &<aggregate> from here.
12387 2006-02-26 Roger Sayle <roger@eyesopen.com>
12389 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12390 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12391 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12392 as (X & C) ne/eq 0.
12394 2006-02-26 Roger Sayle <roger@eyesopen.com>
12396 PR middle-end/19983
12397 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12399 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12401 * opts.c (decode_options): Do not handle flag_strength_reduce.
12402 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12403 and OPT_fstrength_reduce.
12404 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12405 flag_prefetch_loop_arrays for being nonzero.
12406 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12408 (fprefetch-loop-arrays-rtl): Removed.
12409 (flag_prefetch_loop_arrays): Do not specify the value.
12411 * doc/passes.texi: Update documentation of loop optimizer
12413 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12414 -frerun-loop-opt): Remove.
12416 2006-02-26 Richard Guenther <rguenther@suse.de>
12418 PR tree-optimization/26421
12419 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12420 in function calls that are ADDR_EXPRs as using the whole structure.
12422 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12424 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12425 * tree-pass.h (pass_loop_optimize): Remove.
12426 * passes.c (pass_loop_optimize): Never run it.
12427 * toplev.c (backend_init): Don't call init_loop.
12428 * opts.c (flag_loop_optimize_set): Remove.
12429 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12430 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12431 the old RTL loop optimizer when profiling enabled.
12432 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12433 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12434 pre-headers for the sake of the old RTL loop optimizer.
12435 * Makefile.in: Remove all references to loop.o.
12437 * doc/invoke.texi: Remove all references to -floop-optimize
12438 and -frerun-loop-opt.
12440 2006-02-26 Zack Weinberg <zackw@panix.com>
12442 * doc/md.texi (Machine Constraints): Refer to all files with paths
12443 relative to gcc directory (i.e. config/CPU/file). Add missing
12444 @table @code ... @end table to M32C subsection.
12446 2006-02-26 Roger Sayle <roger@eyesopen.com>
12448 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12450 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12452 2006-02-26 Roger Sayle <roger@eyesopen.com>
12453 James A. Morrison <phython@gcc.gnu.org>
12455 PR middle-end/21137
12456 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12457 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12458 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12459 signedness of the shift operation.
12461 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12463 PR tree-optimization/26359
12464 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12466 2006-02-25 Roger Sayle <roger@eyesopen.com>
12468 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12469 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12470 as X == 0, and some symmetry related transformations.
12471 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12473 2006-02-25 Roger Sayle <roger@eyesopen.com>
12475 PR middle-end/23673
12476 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12477 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12478 symmetry related transformations. Fold (X^C1) == C2 as
12481 2006-02-25 Juergen Weigert <jw@suse.de>
12482 Richard Guenther <rguenther@suse.de>
12484 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12486 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12488 * combine.c (gen_lowpart_or_truncate): Call
12489 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12491 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12493 * doc/invoke.texi: Move -fopenmp description to "Options for
12495 Remove reference to -lgomp.
12497 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12499 * doc/install.texi: Require GNU tar version 1.14.
12501 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12503 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12504 * doc/invoke.texi (C++ Dialect Options): Document
12505 -fno-use-cxa-get-exception-ptr.
12506 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12507 * configure: Regenerate.
12508 * c.opt (fuse-cxa-get-exception-ptr): New.
12509 * c-opts.c (c_common_handle_option): Handle
12510 OPT_fuse_cxa_get_exception_ptr.
12511 * c-common.c (flag_use_cxa_atexit): Update documentation.
12512 (flag_use_cxa_get_exception_ptr): New.
12513 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12514 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12516 (C_COMMON_OVERRIDE_OPTIONS): New.
12518 2006-02-24 Roger Sayle <roger@eyesopen.com>
12520 PR middle-end/24952
12521 * combine.c (try_combine): Explicitly check whether GET_CODE is
12522 a SET or a CLOBBER, instead on checking that it isn't a USE.
12524 2006-02-24 Roger Sayle <roger@eyesopen.com>
12526 * fold-const.c (fold_comparison): New subroutine of fold_binary
12527 containing transformations common to both the equality and
12528 ordering relational operators, factored out of fold_binary.
12529 (fold_binary): Separate out the equality operators (EQ_EXPR
12530 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12531 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12532 transformations common to both.
12533 (fold_div_compare): Fix latent bugs in the previously unreachable
12534 LT_EXPR and GE_EXPR cases.
12536 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12538 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12539 decl libname for clog to __clog on AIX.
12541 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12543 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12546 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12547 output traceback table for thunks. Localise rs6000_stack_info call.
12549 2006-02-23 Roger Sayle <roger@eyesopen.com>
12550 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12552 * gthr-posix.h (__gthrw): Fix typo in comment.
12554 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12556 * doc/cpp.texi (Character sets): Document that we do support
12557 input files to be in any character set.
12559 2006-02-23 Jeff Law <law@redhat.com>
12561 * tree.h (PHI_ARG_NONZERO): Remove.
12562 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12563 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12564 node to the new node.
12566 PR tree-optimization/26425
12567 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12568 min/max, then assume its varying.
12570 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12572 PR rtl-optimization/26316
12573 * rtlanal.c (enum may_trap_p_flags): New.
12574 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12575 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12576 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12577 (may_trap_after_code_motion_p): New function.
12578 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12579 (find_invariant_insn): Use may_trap_after_code_motion_p.
12580 * rtl.h (may_trap_after_code_motion_p): Declare.
12582 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12584 * emit-rtl.c (immed_double_const): Cleanup.
12586 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12588 Fix PR tree-optimization/26376
12589 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12592 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12594 PR middle-end/26412
12595 * gimplify.c (omp_add_variable): Guard variable size decl test with
12596 DECL_SIZE (decl) check.
12598 2006-02-23 Richard Guenther <rguenther@suse.de>
12600 PR middle-end/26439
12601 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12602 like aggregate types.
12604 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12606 * configure.ac: Add --with{,out}-long-double-128 configure option.
12607 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12608 * configure: Rebuilt.
12609 * config.in: Rebuilt.
12610 * doc/install.texi (Options specification): Document
12611 --with-long-double-128.
12613 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12614 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12615 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12616 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12618 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12620 * config/s390/s390.c (override_options): Handle
12621 TARGET_DEFAULT_LONG_DOUBLE_128.
12623 * config/alpha/alpha.c (override_options): Handle
12624 TARGET_DEFAULT_LONG_DOUBLE_128.
12626 * config/sparc/sparc.c (sparc_override_options): Handle
12627 TARGET_DEFAULT_LONG_DOUBLE_128.
12629 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12631 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12632 (real-install-headers-tar, real-install-headers-cpio)
12633 (real-install-headers-cp): New targets.
12635 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12637 * tree.h (variable_section): Delete.
12638 * varasm.c (variable_section): Delete.
12640 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12642 * install.texi: Add notes on install.texi2html.
12643 (Building in parallel): Do not use footnotes.
12645 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12648 * doc/install.texi (Configuration): Document --disable-libgomp.
12650 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12652 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12654 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12656 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12657 (vec_extractv2df_0_sse): New.
12659 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12661 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12662 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12663 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12664 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12665 to the result of the expression.
12666 (def_cfa_1): Adjust.
12667 (frame_pointer_cfa_offset): Rename to...
12668 (frame_pointer_fb_offset): ... this. Adjust all uses.
12669 (convert_cfa_to_loc_list): Rename to...
12670 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12671 Pass it on to build_cfa_loc.
12672 (compute_frame_pointer_to_cfa_displacement): Rename to...
12673 (compute_frame_pointer_to_fb_displacement): ... this. New
12674 offset parameter. Use it in computation.
12675 (gen_subprogram_die): Compute cfa_fb_offset with the new
12676 macro, and use it to compute the fb loc list and the
12679 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12681 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12682 replaced with register_operand.
12683 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12684 non-DREG is expensive.
12685 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12686 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12689 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12691 * doc/install.texi2html: Use set -e.
12693 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12695 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12696 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12697 * doc/invoke.texi (-fshared-data): Delete.
12698 * common.opt (fshared-data): Delete.
12699 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12700 (assemble_static_space): Remove #if 0 code.
12701 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12702 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12703 * config/cris/cris.h: Remove FIXME.
12705 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12707 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12710 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12712 PR middle-end/26379
12713 * combine.c (simplify_shift_const_1): Disable nested shifts
12714 optimization for vector shifts.
12716 2006-02-20 Roger Sayle <roger@eyesopen.com>
12718 PR tree-optimization/26361
12719 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12720 of unsigned integer types.
12722 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12724 * tree-chrec.c (eq_evolutions_p): New.
12725 * tree-chrec.h (eq_evolutions_p): Declared.
12726 * tree-data-ref.c: Fix formatting.
12727 (datadep_stats, dependence_stats): New.
12729 (print_direction_vector): New.
12730 (dump_data_dependence_relation): Use print_direction_vector.
12731 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12732 (compute_subscript_distance): Static.
12733 (initialize_data_dependence_relation): Static. Get the number
12734 of loops surrounding the references from the callers, and initialize
12735 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12736 base_object_differ_p analyzers.
12737 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12738 compute_overlap_steps_for_affine_1_2,
12739 analyze_subscript_affine_affine): Count the classified dependences.
12740 Print a message when a test failed.
12741 (can_use_analyze_subscript_affine_affine): New.
12742 (analyze_siv_subscript): Compute the data dependences on symbolic
12743 scevs that verify can_use_analyze_subscript_affine_affine.
12744 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12745 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12746 Handle symbolic scevs.
12747 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12749 (subscript_dependence_tester): Moved...
12750 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12751 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12752 DDR_SIZE_VECT instead of getting it in parameter.
12753 (subscript_dependence_tester): ... here. Take as a parameter
12754 loop_nest_depth. Call build_classic_dist_vector and
12755 build_classic_dir_vector.
12756 (compute_affine_dependence): Update subscript_dependence_tester
12757 parameters. Update datadep_stats counters. Call
12758 compute_subscript_distance.
12759 (compute_self_dependence): Save the dist and dir vectors. Call
12760 compute_subscript_distance.
12761 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12762 (compute_all_dependences): Reorder parameters as they were before
12763 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12764 compute_subscript_distance. Update the use of
12765 compute_affine_dependence and initialize_data_dependence_relation.
12766 (find_data_references_in_loop): Handle COMPONENT_REF.
12767 (compute_data_dependences_for_loop): Initialize dependence_stats.
12768 Don't call build_classic_dist_vector and build_classic_dir_vector.
12769 Update the parameters of initialize_data_dependence_relation and
12770 compute_all_dependences. Print the statistics from datadep_stats.
12771 (analyze_all_data_dependences): Static. Not used until the pass for
12772 checking the data dependences is contributed.
12773 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12774 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12775 (initialize_data_dependence_relation, compute_affine_dependence,
12776 analyze_all_data_dependences, compute_subscript_distance): Removed.
12777 (print_direction_vector): New.
12778 * lambda.h (gcd): ... here.
12779 (lambda_vector_gcd): Moved here from gcd_vector.
12780 * lambda-code.c (gcd, gcd_vector): Removed.
12781 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12782 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12784 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12786 * ipa-type-escape.c: Tidy some comments and white space.
12787 * tree-ssa-operands.c: Likewise.
12789 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12792 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12793 (dump_decl_name): Do not walk the decl tree chains.
12794 * tree-pass.h (TDF_CHAIN): Remove.
12796 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12798 * Makefile.in (C): Remove
12800 (.PHONY): Remove C and PROTO
12802 2006-02-20 Roger Sayle <roger@eyesopen.com>
12804 PR middle-end/26236
12805 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12806 deprecated CHAR_TYPE tree code.
12808 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12810 * configure.ac (target_list): Add install-info, dvi, html.
12811 * configure: Regenerate.
12813 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12814 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12815 treelang/Make-lang.in: Do not use double-colon rules.
12817 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12819 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12820 (TMT_USED_ALONE): New macro.
12821 * tree-pass.h (PROP_tmt_usage): New property.
12822 (TODO_update_tmt_usage): New todo.
12823 * tree-ssa-alias.c (updating_used_alone): New variable.
12824 (recalculate_used_alone): New function.
12825 (compute_may_aliases): Set updating_used_alone, call
12826 recalculate_used_alone.
12827 * tree-sra.c (pass_sra): Note that this pass destroys
12828 PROP_tmt_usage, and add TODO_update_tmt_usage.
12829 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12830 * tree-flow.h (updating_used_alone): Prototype.
12831 (recalculate_used_alone): Ditto.
12832 * passes.c (execute_todo): Add code to set updating_used_alone,
12833 and call recalculate.
12834 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12835 for clobber if used alone, and add assert to verify used_alone
12838 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12840 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12841 for non tls symbols added.
12842 (legitimize_address): Do nothing for PLUS expressions if one of the
12843 addends is a tls symbol reference.
12845 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12849 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12851 * Makefile.in (BOOTSTRAPPING): New.
12852 (quickstrap): New definition if BOOTSTRAPPING=yes.
12854 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12855 * configure.ac: Substitute all_selected_languages with the languages
12856 that were configured. For all the other variables except
12857 lang_specs_files, include all the languages in the tree.
12858 * configure: Regenerate.
12860 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12861 if there is one. Run the commands to run fixincludes in the same
12864 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12865 * doc/install.texi: Document exact conventions for searching target tools.
12866 Document --with-build-time-tools. Document toplevel bootstrap. Document
12867 something more about building an Ada cross-compiler. Don't list GNU Make
12868 requirements which affect all platforms.
12870 2006-02-19 Roger Sayle <roger@eyesopen.com>
12872 PR middle-end/19543
12873 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12874 only equivalent if the have both the same mode and precision.
12876 2006-02-20 Ben Elliston <bje@au.ibm.com>
12878 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12880 2006-02-19 Roger Sayle <roger@eyesopen.com>
12881 Steven Bosscher <stevenb.gcc@gmail.com>
12883 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12884 constant pool references to identify stack mode constants.
12885 * rtlanal.c (constant_pool_constant_p): New predicate to check
12886 whether operand is a floating point constant in the pool.
12887 * rtl.h (constant_pool_constant_p): Prototype here.
12888 * loop.c (scan_loop): Avoid hoisting constants from the constant
12889 pool on STACK_REGS targets.
12890 (load_mems): Likewise.
12891 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12892 loads into x87 registers expensive in terms of register pressure.
12894 2006-02-19 Roger Sayle <roger@eyesopen.com>
12896 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12897 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12899 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12901 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12902 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12904 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12906 * doc/invoke.texi: Document -fipa-pta.
12907 * common.opt: Add ipa-pta option.
12908 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12909 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12910 (do_ds_constraint): Ditto.
12911 (get_constraint_for): Only add to referenced_vars if
12912 referenced_vars exists.
12913 (insert_into_field_list): Rewrite to do this unsorted.
12914 (insert_into_field_list_sorted): Rename old insert_into_field_list
12916 (create_function_info_for): Use insert_into_field_list_sorted.
12917 (create_variable_info_for): Rewrite so it uses unsorted version,
12918 since the field list is sorted.
12919 (intra_create_variable_infos): Only add to referenced_vars if
12920 referenced_vars exists.
12921 (ipa_pta_execute): Init heapvars, and delete when done.
12922 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12924 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12926 * doc/install.texi: Add missing `@samp'.
12928 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12930 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12933 2006-02-18 Mark Wielaard <mark@klomp.org>
12935 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12936 who added new 4.1 features, bug fixes and integration support.
12938 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12941 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12942 MEM for ABI_V4 pic.
12944 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12946 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12947 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12948 (copy_insn_1): Likewise. Don't copy each field individually.
12950 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12952 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12953 * rtl.c (rtx_size): Rename variable to...
12954 (rtx_code_size): ...this.
12955 (rtx_size): New function.
12956 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12957 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12959 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12960 * rtl.h (rtx_code_size): New variable.
12961 (rtx_size): Change from a variable to a function.
12962 (RTX_SIZE): Rename to...
12963 (RTX_CODE_SIZE): ...this.
12966 PR tree-optimization/17106
12967 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12968 (Anchored Addresses): New section.
12969 * doc/invoke.texi (-fsection-anchors): Document.
12970 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12971 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12972 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12973 * hooks.c (hook_bool_mode_rtx_false): New function.
12974 * hooks.h (hook_bool_mode_rtx_false): Declare.
12975 * gengtype.c (create_optional_field): New function.
12976 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12977 SYMBOL_REF_IN_BLOCK_P is true.
12978 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12979 (min_anchor_offset, max_anchor_offset): Likewise.
12980 (use_anchors_for_symbol_p): New hook.
12981 * toplev.c (compile_file): Call output_object_blocks.
12982 (target_supports_section_anchors_p): New function.
12983 (process_options): Check that -fsection-anchors is only used on
12984 targets that support it and when -funit-at-a-time is in effect.
12985 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12986 if the decl doesn't have one.
12987 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12988 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12989 of force_const_mem through use_anchored_address.
12990 (expand_expr_constant): New function.
12991 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12992 calling expand_expr for INDIRECT_REF.
12993 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12994 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12995 * expr.h (use_anchored_address): Declare.
12996 * loop-unroll.c: Don't declare rtx vectors here.
12997 * explow.c: Include output.h.
12998 (validize_mem): Call use_anchored_address.
12999 (use_anchored_address): New function.
13000 * common.opt (-fsection-anchors): New switch.
13001 * varasm.c (object_block_htab, anchor_labelno): New variables.
13002 (hash_section, object_block_entry_eq, object_block_entry_hash)
13003 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13004 (use_blocks_for_decl_p, change_symbol_section): New functions.
13005 (get_variable_section): New function, split out from assemble_variable.
13006 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13007 use_blocks_for_decl_p say so. Use change_symbol_section if the
13008 symbol has already been created.
13009 (assemble_variable_contents): New function, split out from...
13010 (assemble_variable): ...here. Don't output any code for
13011 block symbols; just pass them to place_block_symbol.
13012 Use get_variable_section and assemble_variable_contents.
13013 (get_constant_alignment, get_constant_section, get_constant_size): New
13014 functions, split from output_constant_def_contents.
13015 (build_constant_desc): Create a block symbol if use_object_blocks_p
13016 says so. Or into SYMBOL_REF_FLAGS.
13017 (assemble_constant_contents): New function, split from...
13018 (output_constant_def_contents): ...here. Don't output any code
13019 for block symbols; just pass them to place_section_symbol.
13020 Use get_constant_section and get_constant_alignment.
13021 (force_const_mem): Create a block symbol if use_object_blocks_p and
13022 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13023 (output_constant_pool_1): Add an explicit alignment argument.
13024 Don't switch sections here.
13025 (output_constant_pool): Adjust call to output_constant_pool_1.
13026 Switch sections here instead. Don't output anything for block symbols;
13027 just pass them to place_block_symbol.
13028 (init_varasm_once): Initialize object_block_htab.
13029 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13030 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13031 (place_block_symbol, get_section_anchor, output_object_block)
13032 (output_object_block_htab, output_object_blocks): New functions.
13033 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13034 (TARGET_ASM_OUT): Include it.
13035 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13036 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13037 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13038 (TARGET_INITIALIZER): Include them.
13039 * rtl.c (rtl_check_failed_block_symbol): New function.
13040 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13041 (block_symbol, object_block): New structures.
13042 (rtx_def): Add a block_symbol field to the union.
13043 (BLOCK_SYMBOL_CHECK): New macro.
13044 (rtl_check_failed_block_symbol): Declare.
13045 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13046 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13047 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13048 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13049 * output.h (output_section_symbols): Declare.
13050 (object_block): Name structure.
13051 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13052 (default_use_anchors_for_symbol_p): Declare.
13053 * Makefile.in (RTL_BASE_H): Add vec.h.
13054 (explow.o): Depend on output.h.
13055 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13056 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13057 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13058 (rs6000_use_blocks_for_constant_p): New function.
13060 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13062 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13064 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13067 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13070 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13072 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13076 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13078 PR middle-end/26334
13079 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13080 instead of DECL_REGISTER.
13082 2006-02-18 Olivier Hainque <hainque@adacore.com>
13085 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13087 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13090 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13091 * opth-gen.awk: Handle Var and InverseMask together.
13092 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13093 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13094 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13095 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13097 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13098 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13099 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13100 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13101 LINUX_DYNAMIC_LINKER): Define.
13102 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13103 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13105 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13106 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13107 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13109 (TARGET_C99_FUNCTIONS): Don't define.
13110 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13111 GLIBC_DYNAMIC_LINKER.
13112 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13113 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13114 GLIBC_DYNAMIC_LINKER64): Define.
13115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13116 LINUX_DYNAMIC_LINKER64.
13117 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13119 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13121 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13122 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13123 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13124 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13125 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13127 and LINUX_DYNAMIC_LINKER32.
13128 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13130 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13132 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13134 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13135 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13136 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13137 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13138 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13139 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13140 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13141 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13142 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13143 LINUX_DYNAMIC_LINKER): Define.
13144 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13145 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13146 GLIBC_DYNAMIC_LINKER64): Define.
13147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13148 LINUX_DYNAMIC_LINKER64.
13149 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13150 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13151 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13152 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13153 LINUX_DYNAMIC_LINKER): Define.
13154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13155 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13156 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13157 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13158 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13159 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13160 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13161 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13162 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13163 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13165 * doc/invoke.texi (-muclibc): Remove caveat about supported
13168 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13170 * doc/cpp.texi (__TIMESTAMP__): Document.
13172 2006-02-17 Roger Sayle <roger@eyesopen.com>
13174 PR middle-end/25600
13175 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13176 C is one less than the width of X (and related transformations).
13177 * simplify-rtx.c (simplify_unary_operation_1): Transform
13178 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13179 depending on STORE_FLAG_VALUE, were C is one less then the
13182 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13184 Fix PR tree-optimization/26341
13185 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13186 about NAME_MEMORY_TAG's.
13188 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13191 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13192 with hardware float support, and software float support. Add fcpy
13193 alternative to hardware patterns. Add alternatives to copy between
13194 general and floating-point registers to the 32-bit pattern.
13195 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13196 secondary reload to load a QI or HI mode constant into a floating
13198 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13199 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13201 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13204 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13206 (load_macho_picbase_di): Likewise.
13208 2006-02-16 Jeff Law <law@redhat.com>
13210 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13211 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13212 (ssa_name_nonzero_p): Likewise.
13213 (get_value_range): Return NULL if VRP is not running.
13214 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13215 VRP routines do not discover a range.
13216 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13217 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13218 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13219 (tree_expr_nonnegative_p): Similarly.
13220 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13221 (restore_nonzero_vars_to_original_value): Remove.
13222 (unsafe_associative_fp_binop): Remove.
13223 (tree_ssa_dominator_optimize): Remove initialization and
13224 finalization of nonzero_vars and nonzero_vars_stack.
13225 (dom_opt_initialize_block): No longer push marker on
13226 nonzero_vars_stack.
13227 (dom_opt_finalize_block): No longer call
13228 restore_nonzero_vars_to_original_value.
13229 (record_equivalences_from_phis): No longer look for
13230 nonzero PHI arguments.
13231 (cprop_into_successor_phis): No longer propagate nonzero
13232 property into PHI arguments. Lose unused argument. Caller
13234 (record_equivalences_from_stmt): No longer record nonzero
13235 values for SSA_NAMEs.
13236 (lookup_avail_expr): No longer use nonzero_vars.
13238 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13239 for sizetype when sizetype is unsigned.
13241 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13243 PR rtl-optimization/25603
13244 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13245 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13246 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13247 with new meaning of SETS.
13249 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13254 * config/linux.opt: New file.
13255 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13256 LINUX_DYNAMIC_LINKER): Define.
13257 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13258 * config.gcc (*-*-linux*): Define extra_options.
13259 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13260 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13261 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13262 GLIBC_DYNAMIC_LINKER.
13263 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13264 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13265 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13267 * doc/invoke.texi (GNU/Linux Options): New section.
13269 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13271 * config/sparc/sparc.md (setjmp): Rewrite.
13272 (setjmp_32): Delete.
13273 (setjmp_64): Likewise.
13275 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13277 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13280 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13282 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13285 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13287 PR rtl-optimization/26296
13288 * Makefile.in (loop-invariant.c): Add except.h dependency.
13289 * loop-invariant.c: Include except.h.
13290 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13292 2005-02-16 Paul Brook <paul@codesourcery.com>
13294 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13297 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13299 PR rtl-optimization/25636
13300 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13301 when deciding whether an insn is an initializing insn.
13303 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13305 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13306 (tree_code_size): Ditto.
13307 * tree.h (struct tree_memory_tag): Remove parent_var.
13308 (struct tree_struct_field_tag): New.
13311 (union tree_node): Add sft member.
13312 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13314 (create_sft): Add size and offset argument, set SFT_OFFSET and
13316 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13317 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13318 * tree-flow-inline.h (get_subvar_at): Update for
13319 SFT_OFFSET/SFT_SIZE.
13320 (var_can_have_subvars): Ditto.
13321 (overlap_subvar): Ditto.
13322 * print-tree.c (print_node): Print out interesting things for
13324 * tree-flow.h (struct subvar): Remove offset and size members.
13325 * tree-ssa-operands.c (get_expr_operands): Update for
13326 get_indirect_ref_operands changes.
13327 (get_indirect_ref_operands): Call add_virtual_operand instead of
13328 add_stmt_operand. Only recurse on base var if requested.
13329 (access_can_touch_variable): New function.
13330 (add_stmt_operand): Split virtual operand handling into ...
13331 (add_virtual_operand): Here. Add offset, size, and for_clobber
13332 arguments. Prune alias sets.
13333 (add_call_clobber_ops): Call add_virtual_operand.
13335 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13337 PR middle-end/26300
13338 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13340 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13341 than TREE_CODE as index into omp_clause_num_ops array.
13343 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13345 PR rtl-optimization/26184
13346 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13348 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13349 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13350 must_precede, must_follow and tobe_scheduled.
13353 * opts.c (common_handle_option): Free new_option pointer.
13354 * df-core.c (df_analyze): Free postorder pointer.
13356 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13358 * Makefile.in: Fix the examples about the use of stamps
13360 2006-02-15 Michael Matz <matz@suse.de>
13362 PR middle-end/22275
13364 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13365 influenced by maximum_field_alignment or DECL_PACKED.
13366 (update_alignment_for_field): Ditto.
13367 (place_field): Ditto.
13368 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13371 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13373 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13374 (debug_flow_info): Pass it.
13375 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13376 * bb-reorder.c (reorder_basic_blocks): Likewise.
13377 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13378 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13379 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13380 * gcse.c (gcse_main, bypass_jumps): Likewise.
13381 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13382 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13383 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13384 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13385 * rtl.h (dump_flow_info): Adjust prototype.
13386 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13387 * var-tracking.c (variable_tracking_main): Likewise.
13388 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13389 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13392 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13394 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13397 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13399 PR tree-optimization/26209
13400 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13401 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13403 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13405 2006-02-14 Roger Sayle <roger@eyesopen.com>
13407 PR middle-end/23670
13408 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13409 (X,Y) and the corresponding symmetry related transformations.
13410 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13411 (X,Y) and its symmetry related transformations.
13413 2006-02-14 Roger Sayle <roger@eyesopen.com>
13415 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13418 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13420 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13422 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13425 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13426 support COMDAT group.
13427 * configure: Regenerate.
13429 2006-02-14 Roger Sayle <roger@eyesopen.com>
13431 PR middle-end/26279
13432 PR middle-end/26280
13433 PR middle-end/26283
13434 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13436 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13438 Fix PR tree-optimization/26260
13440 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13442 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13443 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13444 * tree-ssa-structalias.c (create_variable_info_for): Use
13445 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13447 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13449 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13451 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13452 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13453 of the ending condition.
13454 * tree-ssa-loop-manip.c: Include params.h.
13455 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13456 tree_unroll_loop): New functions.
13457 * tree-pass.h (pass_loop_prefetch): Declare.
13458 * loop.c (rest_of_handle_loop_optimize): Test for
13459 -fprefetch-loop-arrays-rtl.
13460 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13461 * timevar.def (TV_TREE_PREFETCH): New timevar.
13462 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13463 pass_loop_prefetch): New.
13464 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13465 (cleanup_tree_cfg_loop): Call scev_reset.
13466 * common.opt (fprefetch-loop-arrays-rtl): Add.
13467 * tree-ssa-loop-prefetch.c: New file.
13468 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13469 (new_temp_expr_table): Initialize expr_vars.
13470 (free_temp_expr_table): Cleanup expr_vars.
13471 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13472 expressions from being merged into one.
13473 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13474 (struct tree_niter_desc): Add control, bound and cmp fields.
13475 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13477 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13478 (tree-cfgcleanup.o): Add SCEV_H dependency.
13479 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13480 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13482 2006-02-14 Richard Guenther <rguenther@suse.de>
13484 PR tree-optimization/26258
13485 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13486 in PHI argument processing.
13488 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13490 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13491 new expression in the requested machine mode.
13493 2006-02-13 Roger Sayle <roger@eyesopen.com>
13495 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13496 directly, instead let do_compare_rtx_and_jump handle this for us.
13497 * expr.c (expand_expr_real_1): Likewise.
13498 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13499 before do_jump_by_parts_greater.
13500 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13501 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13503 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13505 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13507 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13509 PR rtl-optimization/26235
13510 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13511 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13514 2006-02-13 Jeff Law <law@redhat.com>
13516 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13519 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13521 PR middle-end/26092
13522 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13523 twice if decl is a builtin. When trying again, call get_callee_fndecl
13524 first to verify it is still a builtin.
13526 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13528 * dwarf2out.c (base_type_die): Don't add AT_name here.
13529 (subrange_type_die): Don't add AT_name here.
13530 (modified_type_die): Rearrange code flow. Do add AT_name here.
13532 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13534 PR rtl-optimization/26247
13535 PR rtl-optimization/26248
13536 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13538 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13540 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13541 * config/fixtfdi.c: Likewise.
13542 * config/fixunstfdi.c: Likewise.
13543 * config/floatditf.c: Likewise.
13545 2006-02-13 Roger Sayle <roger@eyesopen.com>
13547 PR middle-end/24427
13548 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13549 into (X,C2) if C1 is a subset of the bits of C2. Transform
13550 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13552 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13554 2006-02-13 Josh Conner <jconner@apple.com>
13557 * varasm.c (function_section): Check for section name before
13558 calling select_section on targets that define
13559 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13560 unlikely_text_section instead of hot_function_section if
13561 first_function_block_is_cold.
13563 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13565 PR middle-end/25335
13566 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13568 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13570 PR rtl-optimization/26222
13571 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13572 after tree->rtl expansion.
13573 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13574 before passing it to emit_move_insn.
13576 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13578 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13580 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13581 Clarify documentation.
13582 * c-common.h (warn_write_strings): Remove.
13583 * c-common.c (warn_write_strings): Likewise.
13584 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13587 2006-02-12 Roger Sayle <roger@eyesopen.com>
13589 PR middle-end/25724
13590 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13591 (do_jump_parts_zero_rtx): New function renamed from
13592 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13593 (do_jump_parts_equality_rtx): New function split out from
13594 do_jump_parts_equality. Old implementation renamed as above.
13595 Call do_jump_parts_zero_rtx if either operand is zero.
13596 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13597 do all of the heavy lifting.
13598 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13599 calling either do_jump_by_parts_greater_rtx or
13600 do_jump_by_parts_equality_rtx.
13601 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13602 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13603 moved to do_compare_rtx_and_jump, call it directly.
13604 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13605 mode argument. Call do_compare_rtx_and_jump.
13606 (emit_case_nodes): Update calls to do_jump_if_equal.
13608 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13610 PR rtl-optimization/26225
13611 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13613 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13615 PR rtl-optimization/26232
13616 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13618 2006-02-11 Jason Merrill <jason@redhat.com>
13621 * tree-inline.c (declare_return_variable): Just don't use the
13622 modify target if it's a gimple complex reg and the return slot
13625 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13627 * doc/contrib.texi: Update my entry.
13629 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13631 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13633 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13635 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13638 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13640 * doc/invoke.texi (-floop-optimize2): Removed.
13641 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13642 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13643 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13644 * common.opt (floop-optimize2): Removed.
13645 (fmove-loop-invariants): Enabled by default.
13647 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13649 * tree-if-conv.c (combine_blocks): Free the result of
13650 get_loop_exit_edges.
13652 2006-02-10 Jeff Law <law@redhat.com>
13654 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13656 PR tree-optimization/26213
13657 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13658 loop trying to follow SSA_NAME_VALUE chains.
13660 2006-02-10 Richard Guenther <rguenther@suse.de>
13662 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13663 deal with structures that end in implicitly variable sized arrays.
13665 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13667 PR rtl-optimization/24762
13668 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13671 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13673 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13674 (struct ivopts_data): Add regs_used field.
13675 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13676 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13677 instead of loop_data->regs_used;
13678 (free_loop_data): Do not free aux fields for loops.
13679 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13680 and tree_ssa_iv_optimize_finalize.
13682 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13684 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13686 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13689 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13690 computing the effective result type.
13692 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13694 PR inline-asm/16194
13695 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13696 (tree_overlaps_hard_reg_set): Declare.
13697 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13698 type and signature to match function type expected by walk_tree.
13699 (tree_overlaps_hard_reg_set): New function.
13700 (decl_conflicts_with_clobbers_p): Rename to:
13701 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13702 Use tree_overlaps_hard_reg_set. Changed caller.
13703 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13704 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13705 * cris.c (cris_md_asm_clobbers): Likewise.
13707 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13709 * reload1.c (emit_input_reload_insns): Delete code that tries to
13710 inherit using find_equiv_reg.
13712 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13714 * c-common.h (flag_const_strings): Don't declare.
13715 * c-common.c (flag_const_strings): Remove.
13716 * c.opt (fconst_strings): Remove.
13717 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13718 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13719 (c_common_init_options): Don't set flag_const_strings.
13720 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13722 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13724 * arm.md (tlobits_cbranch): New pattern.
13725 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13726 testing a single bit.
13728 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13731 * tree-ssa-pre.c (create_component_ref_by_pieces):
13732 Handle RETURN_DECL like VAR_DECL.
13734 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13736 PR middle-end/26134
13737 * fold-const.c (fold_indirect_ref_1): Fold
13738 "*(foo *)&complexfoo" to "__real__ complexfoo"
13739 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13741 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13743 * tree-flow-inline.h (var_can_have_subvars):
13744 Volatile variables should not have subvariables.
13746 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13749 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13750 multiplying unsigned values.
13753 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13755 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13757 2006-02-08 Jason Merrill <jason@redhat.com>
13760 * tree.def: Elaborate on difference from MODIFY_EXPR.
13761 * doc/c-tree.texi (INIT_EXPR): Likewise.
13762 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13763 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13764 (gimplify_target_expr): Likewise.
13765 (gimplify_cond_expr): Remove target handling.
13766 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13767 (gimplify_expr): Clobber it here.
13768 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13769 Do return slot optimization if we have an INIT_EXPR.
13772 * tree-inline.c (declare_return_variable): Also clear
13773 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13776 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13778 PR middle-end/22439
13779 * gimplify.c (gimplify_one_sizepos): Fix typo.
13781 2006-02-08 Jeff Law <law@redhat.com>
13783 PR tree-optimization/21417
13784 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13785 across a backedge if the control statement at the end of the
13786 block is data dependent on other statements in the same block.
13787 (record_temporary_equivalences_from_stmts): Remove over-conservative
13788 test for threading across backedges.
13790 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13791 control statement, handle all three special cases in the same
13792 manner as they all have the same desired solution. No longer
13793 special case edge flag updating when the post dominator is
13796 2006-02-08 Roger Sayle <roger@eyesopen.com>
13798 * tree.def (CHAR_TYPE): Remove.
13799 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13800 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13801 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13802 (gen_string_type_die): Delete unreachable function.
13804 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13805 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13806 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13807 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13808 * builtins.c (type_to_class): Likewise.
13809 * fold-const.c (fold_convert, build_range_check,
13810 merge_ranges): Likewise.
13811 * expr.c (count_type_elements): Likewise.
13812 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13813 * stor-layout.c (layout_type): Likewise.
13814 * ipa-type-escape.c (type_to_consider): Likewise.
13815 * gimplify.c (omp_firstprivatize_type_sizes,
13816 gimplify_type_sizes): Likewise.
13817 * explow.c (promote_mode): Likewise.
13818 * tree-sra.c (is_sra_scalar_type): Likewise.
13819 * varasm.c (output_constant): Likewise.
13820 * tree-inline.c (remap_type_1): Likewise.
13821 * convert.c (convert_to_pointer, convert_to_real,
13822 convert_to_integer, convert_to_complex): Likewise.
13824 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13826 * df-scan.c (df_def_record_1): A set destination may
13827 be a parallel regardless of mode.
13829 2006-02-08 Roger Sayle <roger@eyesopen.com>
13832 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13833 * config/mips/_tilib.c: Remove.
13834 * config/fixtfdi.c: New libgcc source file.
13835 * config/fixunstfdi.c: New source file.
13836 * config/floatditf.c: New source file.
13837 * config/floatunditf.c: New souce file.
13838 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13839 files above instead of config/mips/_tilib.c.
13840 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13842 2006-02-08 Jeff Law <law@redhat.com>
13844 PR tree-optimization/26169
13845 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13848 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13850 * df.h (DF_REG_SIZE): Return the length of the initialized
13853 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13855 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13856 __muldf3): Return a correctly signed zero.
13858 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13860 * passes.c (register_one_dump_file): Accept the current properties
13861 instead of pass number. Adjust call to dump_register. Remove
13863 (register_dump_files): Now a wrapper around...
13864 (register_dump_files_1): ... this one. Do not modify the pass
13866 (next_pass_1): Cosmetic fix.
13867 (execute_todo): Keep second parameter only. Use curr_properties
13868 instead of fetching it from the pass structure. Check and set
13870 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13871 instead of fetching it from the pass structure. Fix calls to
13872 execute_todo. Update curr_properties and initialize .vcg RTL dump
13873 after running the pass. Reset last_verified.
13874 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13876 (FIRST_AUTO_NUMBERED_DUMP): New.
13877 (dump_register): Remove "num" parameter, assign it within the
13879 (get_dump_file_name): Modify template for dumps.
13880 * tree-dump.h (dump_register): Adjust prototype.
13881 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13882 (PROP_trees): Add PROP_gimple_lomp.
13883 (TODO_set_props): New.
13884 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13885 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13886 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13888 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13890 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13891 (sparc64-*-linux*): Likewise.
13892 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13893 * config/sparc/t-linux: New file.
13894 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13895 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13896 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13897 -m32 -mlong-double-128.
13899 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13900 * config/alpha/t-linux: New file.
13901 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13903 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13904 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13905 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13906 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13907 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13908 (CPP_ARCH32_SPEC): Remove.
13910 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13912 PR tree-optimization/26145
13913 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13916 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13919 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13920 >= 240000 when generating code for SOM runtime.
13921 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13922 to $$dyncall when generating code for SOM runtime..
13924 2006-02-07 Dirk Mueller <dmueller@suse.com>
13927 * doc/invoke.texi (-Wsequence-point): Update documentation
13928 that -Wsequence-point is implemented for C++ as well.
13930 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13932 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13933 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13934 (LIB_SPEC): Likewise.
13935 * doc/invoke.texi (SPARC options): Document -pthread.
13937 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13939 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13942 2006-02-07 Roger Sayle <roger@eyesopen.com>
13944 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13945 Correct comment describing BOOLEAN_TYPE.
13947 2006-02-07 Dirk Mueller <dmueller@suse.com>
13949 * c.opt: C++ frontend supports -Wdiv-by-zero.
13950 * c-opts.c (c_common_handle_option): Remove dead case.
13952 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13954 * configure.ac (TLS assembler check): Do not enable TLS by
13955 default on SPARC/Solaris before version 10.
13956 * configure: Regenerate.
13958 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13960 * doc/invoke.texi (xl-compat): Document conversion and support
13963 2006-02-07 Jeff Law <law@redhat.com>
13965 * tree-vrp.c (find_conditional_asserts): Update comments.
13966 (simplify_stmt_for_jump_threading): New.
13967 (identify_jump_threads, finalize_jump_threads): New.
13968 (vrp_finalize): Call identify_jump_threads.
13969 (execute_vrp): Call finalize_jump_threads.
13970 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13971 (vrp_element, vrp_data, vrp_element_p): Remove.
13972 (vrp_hash_elt, vrp_variables_stack): Remove.
13973 (vrp_hash, vrp_eq, record_range): Remove.
13974 (simplify_cond_and_lookup_avail_expr): Remove.
13975 (extract_range_from_cond): Remove.
13976 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13977 (simplify_stmt_for_jump_threading): New.
13978 (dom_thread_across_edge): New wrapper.
13979 (tree_ssa_dominator_optimize): No longer initialize or
13980 finalize any of the VRP datastructures. Remove iteration
13981 step and simplify as a result of removal of iteration step.
13982 (pass_dominator): Perform a cfg cleanup after DOM.
13983 (dom_opt_finalize_block): Use the new common routines
13984 for threading jumps. Simplify stack management slightly.
13985 No longer need to unwind VRP state.
13986 (record_equivalences_from_incoming_edge): No longer record
13988 (eliminate_redundant_computations): No longer call
13989 simplify_cond_and_lookup_avail_expr.
13990 * tree-flow.h (potentially_threadable_block): Prototype.
13991 (thread_across_edge): Likewise.
13992 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13993 (tree-ssa-threadedge.o): Add dependencies.
13994 * tree-ssa-threadedge.c: New file.
13995 * passes.c (init_optimization_passes): Merge PHIs before
13996 calling VRP. Run VRP again late in the SSA optimization pipeline.
13998 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14000 * df-core.c (df_set_blocks): Do not dereference function pointers.
14001 (df_finish1): Likewise.
14002 (df_hybrid_search_forward): Likewise.
14003 (df_hybrid_search_backward): Likewise.
14004 (df_iterative_dataflow): Likewise.
14005 (df_analyze_problem): Likewise.
14006 (df_compact_blocks): Likewise.
14007 (df_dump): Likewise.
14008 * df-scan.c (df_rescan_blocks): Likewise.
14009 (df_record_entry_block_defs): Likewise.
14011 * genconditions.c (write_conditions): Guard the definition of
14012 'insn_conditions' with the check on GCC version.
14013 (write_writer): Guard the traversal 'insn_conditions' with
14014 the check on GCC version.
14016 2006-02-07 Richard Guenther <rguenther@suse.de>
14020 2006-01-30 Richard Guenther <rguenther@suse.de>
14022 * gimplify.c (gimplify_target_expr): Handle easy cases
14023 without creating a temporary.
14025 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14027 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14028 use of float in probability computations. Use edge probabilities
14029 in place of statically computed probabilities.
14030 (min_spec_prob): New static variable.
14031 (schedule_insns): Initialize it.
14032 (GET_SRC_PROB): Removed.
14033 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14035 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14038 * config/ia64/unwind-ia64.c: Revert last change.
14039 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14040 (INCOMING_FRAME_SP_OFFSET): Define.
14042 2006-02-06 Roger Sayle <roger@eyesopen.com>
14044 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14046 2006-02-07 Ben Elliston <bje@au.ibm.com>
14048 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14049 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14050 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14051 (ix86_return_in_memory): Handle TDmode.
14052 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14053 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14055 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14057 * reorg.c (dbr_schedule): Use dump_file instead of file.
14059 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14062 * config/ia64/predicates.md (extr_len_operand): New predicate.
14063 * config/ia64/ia64.md (extv): Tighten constraints.
14065 (*tbit_and_2): Ditto.
14066 (*tbit_and_3): Ditto.
14067 (*tbit_or_2): Ditto.
14068 (*tbit_or_3): Ditto.
14069 (*bit_zero): Ditto.
14072 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14075 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14077 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14079 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14080 loop_optimizer_init and loop_optimizer_finalize
14081 * tree-ssa-sink.c (execute_sink_code): Ditto.
14082 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14083 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14084 tree_ssa_loop_done): Ditto.
14085 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14086 * sched-ebb.c: Include output.h.
14087 (schedule_ebbs): Do not use dump argument.
14088 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14089 * loop.c (loop_dump_stream): Removed.
14090 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14092 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14093 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14094 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14095 loop_iterations, strength_reduce, record_biv, record_giv,
14096 final_giv_value, check_final_value, check_ext_dependent_givs,
14097 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14098 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14099 dump_file instead of loop_dump_stream.
14100 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14101 argument dump_file.
14102 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14104 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14105 * haifa-sched.c: Include output.h
14106 (schedule_insns, sched_init): Do not use dump argument.
14107 * mode-switching.c (optimize_mode_switching): Ditto.
14108 * modulo-sched.c (stats_file): Removed.
14109 (print_node_sched_params): Do not call argument dump_file.
14110 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14111 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14113 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14115 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14116 rtl_loop_init, rtl_loop_done): Ditto.
14117 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14118 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14120 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14121 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14122 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14123 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14124 * emit-rtl.c (renumber_insns): Ditto.
14125 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14126 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14127 * regclass.c (regclass): Ditto.
14128 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14129 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14130 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14131 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14133 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14134 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14136 * gcse.c (gcse_file, debug_stderr): Removed.
14137 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14138 rest_of_handle_gcse): Do not use dump argument.
14139 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14140 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14141 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14142 compute_code_hoist_vbeinout, compute_code_hoist_data,
14143 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14144 compute_store_table, build_store_vectors, insert_insn_start_bb,
14145 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14146 store_motion): Use dump_file instead of gcse_file.
14147 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14148 * profile.c (profile_dump_file): Removed.
14149 (branch_prob): Use dump_file instead of profile_dump_file.
14150 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14152 * tree-ssa-copy.c (dump_copy_of): Ditto.
14153 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14154 dump file to life_analysis.
14155 * bt-load.c (branch_target_load_optimize): Ditto.
14156 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14158 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14159 regclass, dbr_schedule): Declaration changed.
14160 * sched-int.h (sched_init): Declaration changed.
14161 * tree-profile.c (tree_profile_dump_file): Removed.
14162 (tree_profile_hooks): Removed profile_dump_file hook.
14163 * rtl-profile (rtl_profile_dump_file): Removed.
14164 (rtl_profile_hooks): emoved profile_dump_file hook.
14165 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14167 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14168 * tree-cfg.c (build_tree_cfg): Ditto.
14169 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14170 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14171 Declaration changed.
14172 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14173 life_analysis and schedule_insns.
14174 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14176 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14178 * config/mips/mips.c (mips_reorg): Ditto.
14179 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14182 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14184 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14185 (s390_mangle_fundamental_type): New.
14186 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14189 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14190 (alpha_mangle_fundamental_type): New.
14191 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14194 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14196 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14198 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14199 (sparc_mangle_fundamental_type): New.
14201 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14203 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14204 (s390x-*-linux*): Likewise.
14205 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14206 * config/s390/t-linux: New file.
14208 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14210 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14211 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14213 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14215 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14216 (ANTIC_SAFE_LOADS): New macro.
14217 (find_or_generate_expression): Add prototype.
14218 (set_contains_value): Allow null set for sake of not always having
14219 to allocate ANTIC_SAFE_LOADS.
14220 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14221 Allow COMPONENT_REF too.
14222 (valid_in_set): Allow COMPONENT_REF.
14223 Check ANTIC_SAFE_LOADS too.
14224 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14225 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14227 (can_PRE_operation): Add COMPONENT_REF.
14228 (create_component_ref_by_pieces): New function.
14229 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14230 (insert_aux): Move AGGREGATE_TYPE_P check here.
14231 (compute_avail): Set bb local stmt uids.
14232 (pass_pre): Use TODO_update_ssa_only_virtuals.
14234 2006-02-06 Ben Elliston <bje@au.ibm.com>
14236 * configure.ac: Unconditionally disable decimal float by default.
14237 * configure: Regenerate.
14239 2006-02-06 Ben Elliston <bje@au.ibm.com>
14241 * read-rtl.c (read_name): Terminate reading on EOF.
14243 2006-02-06 Ben Elliston <bje@au.ibm.com>
14245 * dfp.c (decimal_real_arithmetic): Change second argument type
14246 from int to enum tree_code. Do not always return true, but now
14247 return result of any call to decimal_do helper functions.
14248 * dfp.h (decimal_real_arithmetic): Update prototype.
14250 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14252 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14254 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14257 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14260 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14262 * tree-vrp.c (cfg_loops): Removed.
14263 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14264 Use current_loops instead of cfg_loops. Pass flags to
14265 loop_optimizer_init.
14266 * cfgloopmanip.c (fix_loop_structure): Update only available
14268 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14269 loop_optimizer_init.
14270 * modulo-sched.c (build_loops_structure): Removed.
14271 (sms_schedule): Use loop_optimizer_init.
14272 * loop-init.c (loop_optimizer_init): Use flags to determine
14273 which properties of loops to prepare.
14274 (rtl_loop_init): Pass flags to loop_optimizer_init.
14275 * tree-ssa-sink.c (execute_sink_code): Ditto.
14276 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14277 * tree-ssa-pre.c (init_pre): Ditto.
14278 * cfgloop.h (LOOPS_NORMAL): New.
14279 (loop_optimizer_init): Declaration changed.
14281 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14283 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14284 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14286 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14288 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14290 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14291 * pa/t-pa64: Delete quadlib.c rule.
14292 * pa/x-ada: Revert last change.
14293 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14295 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14297 PR rtl-optimization/26087
14298 * rtlanal.c (canonicalize_condition): Do not cross basic block
14301 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14304 * config/ia64/ia64.c: Include debug.h.
14305 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14306 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14307 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14308 (process_epilogue, process_set, process_for_unwind_directive):
14309 Output unwind info only if requested. Add CFA info if requested.
14310 Add new arguments as needed. Adjust callers.
14311 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14313 (DWARF2_FRAME_INFO): Define to zero.
14314 * config/ia64/unwind-ia64.c: Remove code that compensated for
14315 the CFA offset error fixed above.
14316 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14317 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14318 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14319 -funwind-tables and -fexceptions to enable frame info.
14320 (dwarf2out_frame_init): Define initial CFA even if
14321 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14322 DWARF2_UNWIND_INFO is nonzero, not just defined.
14323 (dwarf2out_frame_finish): Output non-EH call frame info only
14324 if DWARF2_FRAME_INFO is nonzero.
14325 (convert_cfa_to_loc_list,
14326 compute_frame_pointer_to_cfa_displacement): Define even if
14327 unwind info is not supported.
14328 (gen_subprogram_die): Use the above unconditionally. Remove
14329 legacy alternate code.
14330 * toplev.c (compile_file): Compile in call to
14331 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14332 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14334 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14335 Jakub Jelinek <jakub@redhat.com>
14337 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14338 IBM extended float format long double as "g" on powerpc*-linux.
14340 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14343 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14344 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14346 2006-02-03 Jason Merrill <jason@redhat.com>
14349 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14351 PR middle-end/25977
14352 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14353 on the return slot if it's an NRV.
14355 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14357 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14358 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14359 rewrite_use): Do not handle USE_OUTER.
14360 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14361 add_iv_outer_candidates, may_replace_final_value,
14362 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14363 (find_interesting_uses_op): Functionality of
14364 find_interesting_uses_outer_or_nonlin moved here.
14365 (find_interesting_uses_outside): Use find_interesting_uses_op.
14367 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14370 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14372 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14373 Ulrich Weigand <uweigand@de.ibm.com>
14376 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14377 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14378 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14379 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14381 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14382 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14383 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14384 Define secondary reloads for TFmode moves.
14385 (constant_modes): Add TFmode.
14386 (NR_C_MODES): Set to 8.
14387 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14389 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14390 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14391 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14392 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14393 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14394 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14395 (FPR mode macro): Add TFmode.
14396 (DSF mode macro): New.
14397 (<de>, <dee> mode attributes): Removed.
14398 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14399 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14400 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14401 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14402 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14403 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14404 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14405 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14406 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14407 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14408 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14409 "*negabs<mode>2", "sqrt<mode>2"):
14410 Changed <de> to <xde>. R constraint replaced by <Rf>.
14411 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14413 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14414 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14415 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14417 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14418 "extenddftf2", "extendsftf2"): New expanders.
14419 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14420 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14421 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14422 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14424 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14425 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14426 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14427 __floatditf): Add a GCC_4.1.0 symbol version tag.
14428 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14431 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14434 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14435 Use targetm.binds_local_p instead of TREE_PUBLIC.
14437 2006-02-02 Roger Sayle <roger@eyesopen.com>
14439 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14440 on INTEGER_TYPEs to indicate that it denotes a character type.
14441 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14442 signed_char_type_node, unsigned_char_type_node and char_type_node.
14443 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14444 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14445 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14447 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14448 Daniel Berlin <dberlin@dberlin.org>
14450 * tree-tailcall.c (arg_needs_copy_p): New function.
14451 (eliminate_tail_call): Use arg_needs_copy_p.
14452 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14453 (add_virtual_phis): New function.
14455 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14457 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14458 #ignore instead of #scratch for %g7 .register directive.
14460 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14462 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14465 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14467 * flow.c (calculate_global_regs_live): Assert that there aren't any
14470 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14472 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14473 what its name says.
14474 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14475 bsi_after_labels iterator.
14476 * tree-if-conv.c (find_phi_replacement_condition,
14477 replace_phi_with_cond_modify_expr): Likewise.
14478 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14479 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14481 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14483 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14485 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14488 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14489 array after growing it.
14491 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14493 PR middle-end/24901
14494 * fold-const.c (fold_checksum_tree): Change type of buf.
14496 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14498 * reload.c (push_secondary_reload): Initialize t_icode.
14500 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14502 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14503 -msoft-float -mlong-double-128 only issue a warning, but don't
14504 swich to DFmode long double.
14506 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14508 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14509 has a constant equivalent, iterate over equivalents for arg0,
14510 calling simplify_relational_operation and if there's a result
14511 cheaper than X, apply fold_rtx and return the result.
14513 2006-02-01 Jan Hubicka <jh@suse.cz>
14515 * opts.c (no_unit_at_a_time_default): New global variable.
14516 (decode_options): Use it.
14517 * opts.h (no_unit_at_a_time_default): Declare.
14519 2006-02-01 Paul Brook <paul@codesourcery.com>
14521 * function.c (assign_parm_setup_reg): Use function argument promotion
14523 * expr.c (expand_expr_real_1): Use function argument promotion rules
14526 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14528 * gcc.c (process_command): Change j to 'unsigned int'.
14530 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14532 PR middle-end/26001
14533 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14534 Use the corrected index for the character
14535 out of the string constant.
14537 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14539 * mode-switching.c (optimize_mode_switching): Fix size
14540 allocated for bb_info[n_entities].
14542 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14544 * gcc.c (main): Correct type that is allocated for
14545 explicit_link_files.
14547 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14549 * config/s390/s390.c (init_alignment_context): Set
14550 ALIAS_SET_MEMORY_BARRIER on the MEM.
14551 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14553 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14555 PR middle-end/25933
14556 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14558 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14561 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14563 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14564 * regrename.c: Ditto.
14565 * tree-ssa-loop-im.c: Ditto.
14566 * tree-dump.c: Ditto.
14567 * tree-complex.c: Ditto.
14568 * genrecog.c: Ditto.
14569 * tree-ssa-threadupdate.c: Ditto.
14571 * java/class.c: Ditto.
14572 * java/jcf-parse.c: Ditto.
14573 * java/resource.c: Ditto.
14574 * java/except.c: Ditto.
14575 * java/jvspec.c: Ditto.
14576 * java/jcf-write.c: Ditto.
14577 * java/jcf-path.c: Ditto.
14578 * java/gjavah.c: Ditto.
14579 * java/zextract.c: Ditto.
14580 * java/jcf-io.c: Ditto.
14581 * java/jcf.h: Ditto.
14582 * java/buffer.c: Ditto.
14583 * java/lang.c: Ditto.
14584 * java/parse-scan.y: Ditto.
14585 * java/lex.c: Ditto.
14586 * java/lex.h: Ditto.
14587 * cfgloopmanip.c: Ditto.
14588 * postreload-gcse.c: Ditto.
14589 * tree-ssa-loop-manip.c: Ditto.
14590 * postreload.c: Ditto.
14591 * tree-ssa-loop-ch.c: Ditto.
14594 * cppspec.c: Ditto.
14595 * diagnostic.c: Ditto.
14597 * genoutput.c: Ditto.
14599 * cfghooks.c: Ditto.
14600 * cfgloopanal.c: Ditto.
14601 * objc/objc-act.c: Ditto.
14603 * genextract.c: Ditto.
14604 * genautomata.c: Ditto.
14605 * pretty-print.c: Ditto.
14606 * genemit.c: Ditto.
14607 * cgraphunit.c: Ditto.
14609 * df-scan.c: Ditto.
14610 * haifa-sched.c: Ditto.
14611 * dominance.c: Ditto.
14613 * tree-ssa-loop-ivopts.c: Ditto.
14614 * df-core.c: Ditto.
14615 * mode-switching.c: Ditto.
14616 * modulo-sched.c: Ditto.
14618 * ipa-pure-const.c: Ditto.
14620 * fix-header.c: Ditto.
14622 * tree-stdarg.c: Ditto.
14623 * ipa-utils.c: Ditto.
14624 * loop-init.c: Ditto.
14625 * ipa-inline.c: Ditto.
14626 * cfganal.c: Ditto.
14628 * alloc-pool.c: Ditto.
14629 * dwarf2out.c: Ditto.
14631 * genattrtab.c: Ditto.
14632 * tree-ssa-loop-ivcanon.c: Ditto.
14633 * predict.c: Ditto.
14634 * timevar.c: Ditto.
14636 * fortran/gfortranspec.c: Ditto.
14637 * regmove.c: Ditto.
14638 * local-alloc.c: Ditto.
14639 * langhooks.c: Ditto.
14640 * function.c: Ditto.
14641 * tree-vectorizer.c: Ditto.
14643 * ipa-type-escape.c: Ditto.
14645 * tree-if-conv.c: Ditto.
14646 * profile.c: Ditto.
14648 * tree-data-ref.c: Ditto.
14649 * loop-unroll.c: Ditto.
14650 * treelang/treetree.c: Ditto.
14652 * bt-load.c: Ditto.
14653 * ggc-common.c: Ditto.
14655 * coverage.c: Ditto.
14657 * tree-cfgcleanup.c: Ditto.
14658 * tree-ssa-pre.c: Ditto.
14659 * cfgcleanup.c: Ditto.
14660 * loop-invariant.c: Ditto.
14661 * loop-iv.c: Ditto.
14662 * ipa-prop.c: Ditto.
14663 * print-tree.c: Ditto.
14664 * conflict.c: Ditto.
14665 * ggc-page.c: Ditto.
14666 * sched-deps.c: Ditto.
14667 * regclass.c: Ditto.
14668 * tree-object-size.c: Ditto.
14669 * combine.c: Ditto.
14670 * bb-reorder.c: Ditto.
14671 * resource.c: Ditto.
14672 * var-tracking.c: Ditto.
14673 * cfgloop.c: Ditto.
14674 * df-problems.c: Ditto.
14675 * reg-stack.c: Ditto.
14677 * gccspec.c: Ditto.
14678 * sched-rgn.c: Ditto.
14679 * tree-ssa-structalias.c: Ditto.
14680 * tree-ssa-reassoc.c: Ditto.
14681 * config/darwin-c.c: Ditto.
14682 * config/darwin.c: Ditto.
14683 * config/arm/arm.c: Ditto.
14685 * collect2.c: Ditto.
14686 * reload1.c: Ditto.
14688 2006-01-31 Nicolas Pitre <nico@cam.org>
14690 * arm.md (smaxsi3): Make aware of smax_m1.
14693 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14695 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14697 2006-01-31 Richard Guenther <rguenther@suse.de>
14699 * doc/invoke.texi (-msselibm): Document.
14700 * target.h (expand_library_builtin): New target hook.
14701 * builtins.c (expand_builtin): Use expand_library_builtin.
14702 (default_expand_library_builtin): New function.
14703 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14704 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14705 (link_gcc_math_spec): Declare.
14706 (static_specs): Add link_gcc_math_spec.
14707 * expr.h (default_expand_library_builtin): Declare.
14708 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14709 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14710 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14711 * config/i386/i386.opt (msselibm): New target option.
14712 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14713 (ix86_init_sse_abi_builtins): New function.
14714 (ix86_expand_library_builtin): Likewise.
14715 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14716 (override_options): Handle error conditions wrt -msselibm.
14717 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14718 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14719 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14722 2006-01-31 Richard Guenther <rguenther@suse.de>
14723 Paolo Bonzini <bonzini@gnu.org>
14725 * doc/install.texi (--disable-libgcc-math): Document.
14727 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14729 * expr.h (expand_normal): new inline function.
14730 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14731 * dojump.c: use it.
14732 * dwarf2out.c: use it.
14735 * expmed.c: use it.
14736 * except.c: use it.
14737 * config/sparc/sparc.c: use it.
14738 * config/i386/i386.c: use it.
14739 * config/rs6000/rs6000.c: use it.
14740 * config/arm/arm.c: use it.
14741 * config/mips/mips.c: use it.
14742 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14744 2006-01-30 Roger Sayle <roger@eyesopen.com>
14746 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14747 argv to the appropriate type.
14749 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14751 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14754 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14757 * config/s390/s390.c (struct machine_function): New flag
14758 decomposed_literal_pool_addresses_ok_p.
14759 (s390_reorg): Set it before final stage of literal pool transforms.
14760 (s390_decompose_address): Only accept displacements of the form
14761 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14763 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14765 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14766 the comparison routine return.
14768 2006-01-30 Michael Matz <matz@suse.de>
14770 * global.c (find_reg): Only evict for global regs.
14771 Take n_refs into account and dump more info.
14773 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14776 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14777 (pragma_trap, pragma_nosave_low_regs): Likewise.
14778 (current_function_anonymous_args): Likewise.
14779 (sh_deferred_function_attributes): New variable.
14780 (sh_deferred_function_attributes_tail): Likewise.
14781 (print_operand): For '@', look up trap_exit attribute.
14782 (calc_live_regs): Look up trapa_handler attribute. For trapa
14783 handlers, save/restore fpscr, but don't do any other
14784 interrupt-specific saves.
14785 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14786 Fix check for partially saved registers to check for SHmedia.
14787 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14788 (sh_output_function_epilogue): Don't clear any of the removed
14790 (sh_insert_attributes): Don't check pragma_interrupt.
14791 Insert deferred attributes. Check that interrupt attribute is
14792 present for other attributes that require its presence.
14793 (sh_attribute_table): Add new attributes trapa_handler and
14795 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14796 Don't check for pragma_interrupt. Don't store argument.
14797 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14798 (sh_deferred_function_attributes): Declare.
14799 (sh_deferred_function_attributes_tail): Likewise.
14800 * sh.md (sp_switch_1): Add operand. Change generator caller.
14801 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14802 (*return_i): Don't use when trap_exit attribute is in effect.
14803 (*return_trapa): New insn pattern.
14804 * sh-c.c: New file.
14805 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14806 setting c_target_objs and cxx_target_objs.
14807 * t-sh: Add rule for sh-c.o.
14809 2006-01-30 Richard Guenther <rguenther@suse.de>
14812 * gimplify.c (gimplify_target_expr): Handle easy cases
14813 without creating a temporary.
14815 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14817 * vec.h (safe_grow): Remove duplicated line.
14819 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14822 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14823 (expand_omp): ... here.
14824 (expand_omp_parallel): Only remove barriers for combined
14825 parallel+workshare constructs.
14827 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14831 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14832 * tree.c (build_qualified_type): Chain the new type to the original
14833 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14834 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14835 (build_pointer_type_for_mode): Only return unqualified types.
14836 (build_reference_type_for_mode): Likewise.
14838 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14840 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14841 * Makefile.in (CXX_COMPAT_WARN): Define.
14842 * configure: Regenerate.
14844 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14847 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14850 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14852 * toplev.c: Fix thinko.
14854 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14855 Marcin Dalecki <martin@dalecki.de>
14857 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14858 (push_srcloc): Use XNEW.
14859 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14861 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14863 * df-core.c (df_set_blocks): Deleted all variable.
14865 2006-01-28 Ian Lance Taylor <ian@airs.com>
14867 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14868 cgraph_output_pending_asms.
14870 2006-01-28 Zack Weinberg <zackw@panix.com>
14872 * c.opt: Add -W(no-)overlength-strings.
14873 * doc/invoke.texi: Document it.
14874 * c-opts.c (c_common_handle_option): -pedantic implies
14875 -Woverlength-strings, if not explicitly disabled already.
14876 (c_common_post_options): -Woverlength-strings defaults to off, and
14877 is always off for C++.
14878 * c-common.c (fix_string_type): Issue warning about strings longer
14879 than is portable only if warn_overlength_strings. Rearrange code
14880 a little for clarity.
14881 * configure.in: Check for -Wno-overlength-strings as well before
14882 enabling -pedantic in stage 1.
14883 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14884 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14886 * genconditions.c (write_header, write_one_condition)
14887 (write_conditions, write_writer): Consolidate very long strings
14888 that were broken up to fit in C89 portable limit. Don't use
14889 printf when fputs will do.
14891 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14893 * combine.c (simplify_comparison <AND>): Check
14894 TRULY_NOOP_TRUNCATION before start using a subreg.
14896 * config/mips/mips.md (*branch_zero<mode>,
14897 *branch_zero<mode>_inverted, *branch_equality<mode>,
14898 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14899 Remove mode check from comparisons.
14901 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14903 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14905 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14907 * expmed.c (const_mult_add_overflow_p): Remove.
14908 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14910 * recog.c (validate_replace_rtx_subexp): Remove.
14911 * recog.h: Remove the prototype for
14912 validate_replace_rtx_subexp.
14914 * integrate.h: Remove the prototype for
14915 copy_decl_for_inlining.
14916 * rtl.h: Remove the prototype for mark_constant_function.
14917 * tree-vectorizer.h: Remove the prototype for
14918 vect_strip_conversion.
14920 * modulo-sched.c (create_partial_schedule,
14921 free_partial_schedule, reset_partial_schedule): Make them
14924 * hooks.c (hook_bool_rtx_int_false): Remove.
14925 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14927 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14929 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14930 and -mlong-double-128 are incompatible.
14931 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14932 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14933 (TARGET_LIBGCC2_CFLAGS): Define.
14934 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14935 (TARGET_LIBGCC2_CFLAGS): Same.
14936 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14938 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14941 * c-typeck.c (build_binary_op): Perform implicit casts of
14942 operands before shortening them.
14944 * cfgloopmanip.c (split_loop_bb): Remove.
14945 * cfgloop.h: Remove the prototype for split_loop_bb.
14947 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14948 * cfgloop.h: Remove the prototype for
14949 flow_loop_outside_edge_p.
14951 * emit-rtl.c (init_virtual_regs): Make it static.
14952 * function.h: Remove the prototype for init_virtual_regs.
14954 * recog.c (peephole2_optimize): Make it static.
14955 * recog.h: Remove the prototype for peephole2_optimize.
14957 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14959 * df-scan.c (df_record_entry_block_defs): Check if
14960 INCOMING_RETURN_ADDR_RTX is defined.
14962 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14963 Kenneth Zadeck <zadeck@naturalbridge.com>
14965 PR rtl-optimization/24762
14966 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14967 * targhooks.c (hook_void_bitmap): New hook prototype.
14968 * targhoohs.h (hook_void_bitmap): Ditto.
14969 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14970 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14971 * target.h (live_on_entry): New function pointer.
14972 * df-scan.c (df_all_hard_regs): Removed.
14973 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14974 (df_scan_free_internal): Added df->entry_block_defs.
14975 (df_scan_alloc): Ditto.
14976 (df_scan_dump): Ditto.
14977 (df_uses_record): Plumbed flag field properly thru calls.
14978 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14979 This part fixes PR24762.
14980 (df_bb_refs_record): Added code to make the frame and arg
14981 pointers live in EH blocks.
14982 (df_refs_record): Added call to df_record_entry_block_defs.
14983 (df_record_entry_block_defs): New function.
14984 * df-core.c: Added comments to describe new artifical defs.
14985 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14986 (entry_block_defs): New field in struct df.
14987 (df_all_hard_regs): Deleted.
14988 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14989 * df-problems.c (df_ru_bb_local_compute_process_def):
14990 Added code to handle artifical defs in the entry to a function.
14991 (df_ru_bb_local_compute): Ditto.
14992 (df_rd_bb_local_compute_process_def): Ditto.
14993 (df_rd_bb_local_compute): Ditto.
14994 (df_lr_bb_local_compute): Ditto.
14995 (df_ur_bb_local_compute): Ditto.
14996 (df_urec_bb_local_compute): Ditto.
14997 (df_chain_create_bb): Ditto.
14998 (df_ur_local_finalize): Removed entry.
14999 (df_urec_init): Ditto.
15000 (df_urec_local_finalize): Ditto.
15001 (df_ri_bb_compute): Added detection of last use of pseudos.
15002 * Makefile.in (df-scan.o): Updated dependencies.
15003 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15004 * config/mips/mips.c (mips_set_live_on_entry): Added.
15005 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15007 * dce.c (marked_insn_p): Added code to handle artifical defs.
15009 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15011 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15013 (_mm_cvtsi128_si64): Likewise.
15014 (_mm_cvtsd_si64): Likewise.
15015 (_mm_cvttsd_si64): Likewise.
15016 (_mm_cvtsi64_sd): Likewise.
15017 (_mm_cvtsi64_si128): Likewise.
15018 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15019 (_mm_cvtsi64_m64): Likewise.
15020 (_m_to_int64): Likewise.
15021 (_mm_cvtm64_si64): Likewise.
15022 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15023 (_mm_cvttss_si64): Likewise.
15024 (_mm_cvtsi64_ss): Likewise.
15025 (_mm_cvtss_f32): Likewise.
15027 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15029 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15030 for pragma redefine_extname.
15032 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15035 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15036 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15037 -mno-minimal-toc to previous content.
15038 (bispecs): Remove goal.
15039 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15040 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15041 compatibility aliases on powerpc-*-*gnu*.
15042 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15043 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15044 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15045 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15046 (ldblspecs): New goal.
15047 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15048 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15050 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15051 L_sf_to_tf or L_df_to_tf is defined.
15053 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15054 Alan Modra <amodra@bigpond.net.au>
15057 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15058 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15059 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15060 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15061 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15062 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15063 (rs6000_override_options): Initialize rs6000_ieeequad.
15064 Initialize TFmode format to ibm_extended_format if not
15066 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15068 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15069 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15070 (function_arg_advance): IBM long double passed in two FPRs, not
15072 (function_arg): IBM long double passed in FPRs.
15073 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15074 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15075 Only multireg GPR aligned.
15076 (rs6000_init_libfuncs): Enable IBM long double functions if not
15078 (rs6000_generate_compare): Use IBM long double compare if not
15080 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15081 (TARGET_IEEEQUAD): Define.
15082 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15083 not TARGET_IEEEQUAD.
15084 * config/rs6000/rs6000.md: Enable TFmode patterns if
15086 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15087 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15088 and -mlong-double-128 are incompatible.
15089 * doc/invoke.texi (-mabi): Collect options together. Add
15090 ibmlongdouble and ieeelongdouble.
15092 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15094 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15096 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15097 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15098 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15099 * rtl.h (rtunion_def): Remove rt_ptr.
15101 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15102 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15103 * config/i386/winnt.c (i386_pe_mark_dllexport)
15104 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15106 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15108 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15110 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15114 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15115 pthread_key_delete. From John David Anglin. gthrw-ify
15116 pthread_getunique_np only if it it's not a macro. Delete
15118 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15119 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15120 __gthread_objc_condition_signal, __gthread_key_delete): Add
15121 "__attribute__ ((__unused__))" to unused arguments.
15122 (__gthread_recursive_mutex_init_function): Add missing return.
15123 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15124 gthr-posix95.h: Use macro-based approach for name redirection
15125 on targets missing weakref.
15127 2006-01-26 Zack Weinberg <zackw@panix.com>
15129 * genconditions.c (write_header): In generated code, #ifdef out
15130 all includes and fake declarations, except includes of bconfig.h
15131 and system.h, unless GCC_VERSION >= 3001. Do not include
15132 gensupport.h in any case.
15133 (write_conditions): Generate a definition of struct c_test. Add
15134 a comment to the generated #endif.
15135 (write_one_condition): Escape backslashes in string too.
15136 (write_writer): Generated code must escape backslashes and quote
15137 marks (but not newlines) in the strings it writes.
15138 * Makefile.in (build/gencondmd.o): Update dependencies.
15140 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15143 * Makefile.in (insn-automata.o): Add header file dependencies.
15144 * genautomata.c: Add includes.
15146 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15149 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15151 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15153 * configure.ac: Expect target tools paths to be passed from the toplevel
15154 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15156 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15158 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15161 * c.opt (Wpointer-sign): Init to -1.
15162 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15163 OPT_pedantic, to 0 otherwise.
15164 * doc/invoke.texi: Update.
15166 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15168 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15169 constants provided by 80387 instructions in the destination mode.
15171 2006-01-26 Richard Guenther <rguenther@suse.de>
15172 Andrew Pinski <pinskia@physics.uc.edu>
15175 partial PR tree-opt/17064
15176 * tree-ssa-structalias.c (intra_create_variable_infos):
15177 Create heap variables for incoming parameters if
15178 flag_argument_noalias > 1.
15179 (find_what_p_points_to): Look through default defs of
15182 2006-01-26 Jeff Law <law@redhat.com>
15185 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15186 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15187 within the VR_RANGE, use the VR_RANGE as the result, not the
15189 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15190 bounds for the type.
15192 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15194 * tree-ssa-alias.c (maybe_create_global_var): Change
15195 subvar walking to an assertion that we don't have subvar'd variables.
15197 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15200 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15201 Use a new variable, inner. PARM_DECLs are always non-weak.
15203 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15205 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15206 --disable-checking.
15208 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15210 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15212 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15214 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15215 (smax_insn, smin_insn, smax_0, smin_0): New.
15217 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15220 * config/cris/cris.c (cris_order_for_addsi3): New function.
15221 * config/cris/cris-protos.h: Prototype it.
15222 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15223 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15224 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15225 (split for "op.S1 [rx=rx+i],ry (swapped)")
15226 (split for "op(s|u).S1 [rx=rx+i],ry")
15227 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15228 Apply cris_order_for_addsi3 when generating addsi3 insns.
15230 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15232 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15233 (TREE_BLOCK): Add call to EXPR_CHECK.
15235 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15238 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15239 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15240 (dump_omp_clauses): ... here.
15241 (dump_generic_node): Handle OMP_CLAUSE.
15242 * tree.c (omp_clause_num_ops): New.
15243 (omp_clause_code_name): New.
15244 (tree_code_size): Handle OMP_CLAUSE.
15245 (tree_size): Likewise.
15246 (make_node): Document handling of OMP_CLAUSE.
15247 (tree_node_structure): Handle OMP_CLAUSE.
15248 (omp_clause_check_failed): New.
15249 (omp_clause_range_check_failed): New.
15250 (omp_clause_operand_check_failed): New.
15251 (build_omp_clause): New.
15252 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15253 * tree.h (enum omp_clause_code): Declare.
15254 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15255 (OMP_CLAUSE_RANGE_CHECK): Define.
15256 (OMP_CLAUSE_ELT_CHECK): Define.
15257 (omp_clause_check_failed): Declare.
15258 (omp_clause_operand_check_failed): Declare.
15259 (omp_clause_range_check_failed): Declare.
15260 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15261 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15262 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15263 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15264 (OMP_CLAUSE_IF_EXPR): Likewise.
15265 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15266 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15267 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15268 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15269 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15270 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15271 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15272 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15273 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15274 (OMP_CLAUSE_CODE): Define.
15275 (OMP_CLAUSE_SET_CODE): Define.
15276 (OMP_CLAUSE_CODE): Define.
15277 (OMP_CLAUSE_OPERAND): Define.
15278 (struct tree_omp_clause): Declare.
15279 (union tree_node): Add field 'omp_clause'.
15280 * treestruct.def (TS_OMP_CLAUSE): Define.
15281 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15282 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15283 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15284 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15285 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15286 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15287 (OMP_CLAUSE): Define.
15288 * print-tree.c (print_node): Handle OMP_CLAUSE.
15289 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15290 * c-typeck.c: Likewise.
15291 * gimplify.c: Likewise.
15292 * c-omp.c: Likewise.
15293 * tree-nested.c: Likewise.
15294 * tree-inline.c: Likewise.
15295 * c-parser.c: Likewise.
15296 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15299 2006-01-25 Roger Sayle <roger@eyesopen.com>
15301 PR rtl-optimization/25703
15302 * combine.c (try_combine): Handle zero_extract and strict_low_part
15303 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15305 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15307 * global.c: Fix comment typos.
15309 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15312 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15313 Use output_addr_const instead of assemble_name.
15315 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15317 * Makefile.in (sched-vis.o): Update dependencies.
15318 * haifa-sched.c (sched_finish): Clear current_sched_info.
15319 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15320 (dump_flow_info): Call it.
15321 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15323 * basic-block.h (dump_bb_info): Declare.
15324 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15325 option, and apply options only for dump files whose TDF_RTL,
15326 TDF_TREE, or TDF_IPA bits match.
15327 * rtl.h: Declare new functions exported from sched-vis.c.
15328 * sched-vis.c: Enable also if scheduling is not used.
15329 (print_value): Print the mode of registers if not inside scheduling.
15330 (print_insn): Make it work outside the scheduler. Beautify the output
15332 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15334 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15336 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15337 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15338 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15339 depending on the value of CONSTANT_POOL_ADDRESS_P.
15340 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15342 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15343 rather than SYMBOL_REF_DECL.
15344 (rtx_constant_pool): Remove const_rtx_sym_htab.
15345 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15346 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15347 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15348 Remove handling of const_rtx_sym_htab.
15349 (find_pool_constant): Delete.
15350 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15351 rather than find_pool_constant.
15352 (get_pool_constant_for_function): Delete.
15353 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15354 find_pool_constant.
15355 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15356 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15357 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15358 (SYMBOL_REF_CONSTANT): New macro.
15359 (get_pool_constant_for_function): Delete.
15360 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15361 rather than SYMBOL_REF_DECL.
15362 (i386_pe_mark_dllimport): Likewise.
15363 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15364 rather than SYMBOL_REF_DECL.
15365 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15366 (machopic_indirect_call_target): Likewise.
15368 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15370 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15372 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15374 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15376 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15378 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15380 2006-01-24 David Daney <ddaney@avtrex.com>
15383 * configure.ac (enable_tls): New enable option.
15384 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15385 * configure: Regenerate.
15386 * doc/install.texi (--enable-tls): Document new option.
15387 (--disable-tls): Ditto.
15389 2006-01-24 Richard Henderson <rth@redehat.com>
15391 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15392 * alias.c (true_dependence): Respect it.
15393 (canon_true_dependence, write_dependence_p): Likewise.
15394 * builtins.c (get_builtin_sync_mem): Set it.
15396 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15398 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15401 2006-01-24 DJ Delorie <dj@redhat.com>
15403 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15404 for storing constants in single-bit bitfields.
15406 2006-01-25 Ben Elliston <bje@au.ibm.com>
15408 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15410 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15413 * tree-ssa-pre.c (phi_translate): Return NULL
15414 for AGGREGATE_TYPE's.
15416 2006-01-24 Zack Weinberg <zackw@panix.com>
15418 * genautomata.c (process_state_for_insn_equiv_partition):
15419 Use xcalloc for insn_arcs_array.
15420 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15421 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15423 2006-01-24 Richard Henderson <rth@redhat.com>
15425 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15426 update all callers.
15428 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15430 PR rtl-optimization/25890
15431 PR rtl-optimization/25905
15432 * combine.c (expand_compound_operation, expand_field_assignment):
15433 Fail if the bitfield's final position is out of bounds.
15435 2006-01-24 Ian Lance Taylor <ian@airs.com>
15437 PR middle-end/25930
15438 * cgraphunit.c (cgraph_output_in_order): Don't clear
15439 cgraph_asm_nodes until after asm strings have been output.
15441 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15443 * fix-header.c (read_scan_file): Add new parameter imultilib when
15444 calling register_include_chains.
15446 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15448 * omp-low.c: Update documentation.
15450 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15451 Daniel Berlin <dberlin@dberlin.org>
15455 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15456 return from the function.
15458 2006-01-22 Zack Weinberg <zackw@panix.com>
15460 * rtl.def (match_code): Add second argument.
15461 * genpreds.c (write_extract_subexp): New function.
15462 (write_match_code): Add path argument. Use write_extract_subexp.
15463 (write_predicate_expr): Pass path to write_match_code.
15464 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15465 not perform a mode test.
15466 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15467 a subexpression does not constrain the top-level code set.
15468 * read-rtl.c (read_rtx_variadic): New function.
15469 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15470 * doc/md.texi: Document new notation.
15471 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15472 (cmpsi_operand): ... here, using new notation.
15474 2006-01-22 Zack Weinberg <zackw@panix.com>
15476 * varray.c: Remove GENERATOR_FILE #ifdefs.
15478 2006-01-22 Zack Weinberg <zackw@panix.com>
15480 * genautomata.c (output_reserved_units_table): Emit nothing if
15481 description->query_units_num is zero. Remove extra blank line.
15482 (output_cpu_unit_reservation_p): Short circuit
15483 if description->query_units_num is zero.
15485 2006-01-22 Zack Weinberg <zackw@panix.com>
15487 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15488 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15489 nor any of the random handful of variables that used to be necessary
15490 when this program was linked with rtlanal.o. Prune set of forward
15491 function declarations.
15492 (struct attr_desc): Remove static_p field.
15493 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15494 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15495 (attr_string): Do not read the character one past the length of
15497 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15498 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15499 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15500 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15501 (make_automaton_attrs): New.
15502 (main): Do not call into genautomata. Call local gen_bypass
15503 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15504 Remove special case for insn_alts.
15505 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15506 varray.h (leftover from previous change). Prune set of forward
15507 function declarations. Remove state_alts fields from all
15508 structures. Remove state_alts_table from struct automaton.
15509 Make everything except main static. Do not maintain num_dfa_decls.
15510 Do not maintain state_alts fields of various structures.
15511 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15512 (add_arc): Remove state_alts argument. All callers updated.
15513 (output_reserved_units_table): Emit #ifdef here...
15514 (output_tables): ...not here. Don't generate state_alts tables.
15515 (expand_automata): Don't generate attributes.
15516 (write_automata): Don't generate state_alts functions.
15517 (main): New function.
15518 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15519 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15520 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15521 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15522 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15523 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15524 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15525 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15527 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15528 * genattrtab.h: Delete file.
15529 * Makefile.in (OBJS-common): Add insn-automata.o.
15530 (insn-automata.o): New rule.
15531 (simple_generated_c): Add insn-automata.c.
15532 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15533 (genprogmd): Add automata.
15534 (build/genattrtab): Needs no extra objects nor libraries.
15535 (build/genautomata): Needs build/vec.o and -lm.
15537 2006-01-22 Zack Weinberg <zackw@panix.com>
15539 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15540 (output_dfa_max_issue_rate, locked_states_num): Delete.
15541 (struct automaton): Add locked_states field.
15542 (output_dead_lock_vect): Save number of locked states in
15543 automaton->locked_states. If it is zero, don't print anything.
15544 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15545 (output_internal_dead_lock_func): Only test the dead_lock_vect
15546 for automata that have locked states.
15547 (output_statistics): Always print the number of locked states for
15548 each automaton. Calculate total number of locked states here.
15549 (write_automata): Don't call output_dfa_max_issue_rate.
15550 * genattrtab.c: Define length_unit_log as a const variable.
15551 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15552 max_insn_queue_index const.
15553 * final.c (length_unit_log): Declare const.
15554 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15556 2006-01-22 Zack Weinberg <zackw@panix.com>
15558 * genautomata.c: Include vec.h, not varray.h.
15559 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15560 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15561 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15562 VEC_* macros operating on appropriately typed vectors, or to
15563 malloced arrays when the size is known in advance. Const-ify
15564 many char* variables and function arguments. No functional changes.
15565 * Makefile.in (build/varray.o): Delete rule.
15566 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15567 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15569 2006-01-22 Zack Weinberg <zackw@panix.com>
15571 * gensupport.c: Define get_insn_name and record_insn_name here.
15572 (read_md_rtx): Call record_insn_name as appropriate.
15573 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15574 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15575 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15577 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15578 (BUILD_VARRAY): Delete.
15579 (genprognormal): Rename genprogmd. Fold in all programs from
15580 genprognoprint; also attrtab.
15581 (build/genattrtab): Just mention genautomata.o and varray.o.
15582 Reorganize a bit, add comments to make the categories clearer.
15584 2006-01-22 Zack Weinberg <zackw@panix.com>
15586 * genconditions.c (condition_table, add_condition): Delete.
15587 (write_conditions): Don't emit n_insn_conditions nor
15588 insn_elision_unavailable. Issue the gcc version #ifdef here,
15589 inside the table, with no #else clause ...
15590 (write_header): ...not here.
15591 (write_writer): New function.
15592 (main): Don't initialize condition_table. Use add_c_test.
15594 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15595 files on the command line.
15596 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15597 Return -1 if there is no entry in the table, don't abort.
15598 (add_c_test, traverse_c_tests): New functions.
15599 * gensupport.h (insn_elision_unavailable, insn_conditions)
15600 (n_insn_conditions): Delete declarations.
15601 (add_c_test, traverse_c_tests): Declare.
15602 * read-rtl.c: Include gensupport.h.
15603 (read_conditions): New function.
15604 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15605 (read_rtx_1): If we get EOF when we were looking for an initial
15606 open paren, return 0. Call read_conditions when appropriate.
15607 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15608 dummy-conditions.o. Eliminate references to insn-conditions.o,
15609 or change them to build/gencondmd.o, as appropriate. Remove
15610 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15611 from $(simple_generated_c). For all files remaining in those
15612 two lists, add insn-conditions.md to the generator command line.
15613 Give insn-constants.h/s-constants their own rules. Add rules
15614 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15615 (build/read-rtl.o): Depend on gensupport.h.
15616 (genprognormal): Include preds.
15617 (genprogearly): Rename genprognoprint; only difference is now that
15618 they don't link with $(BUILD_PRINT).
15619 * dummy-conditions.c: Delete.
15621 2006-01-22 Zack Weinberg <zackw@panix.com>
15623 * genextract.c: Don't include insn-config.h. Do include vec.h.
15624 Declare vectors of int, char, and locstr.
15625 (locstr): New typedef.
15626 (struct extraction): Make all array fields into bare pointers.
15627 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15628 (insn_code_number): Delete.
15629 (accum_extract): New struct.
15630 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15631 (gen_insn): Take insn_code_number as an argument. Use an
15632 accum_extract structure instead of loading data directly into
15633 a struct extraction, and having to know how big it might get.
15634 (walk_rtx): Operate entirely on an accum_extract structure.
15635 (print_path): Avoid unnecessary use of printf.
15636 (print_header): New function, split out of main. Distinguish
15637 more carefully between an unrecognizable insn and an insn that
15638 has the code number of a define_expand.
15639 (main): Pass insn_code_number to gen_insn. Call print_header
15640 only after parsing. Avoid unnecessary use of printf.
15641 * Makefile.in (build/vec.o): New rule.
15642 (build/genextract): Depend on build/vec.o.
15643 (build/genextract.o): Don't depend on insn-config.h.
15645 2006-01-22 Zack Weinberg <zackw@panix.com>
15647 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15648 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15649 practical. Eliminate per-generator-program link rules.
15651 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15653 PR middle-end/24437
15654 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15655 with a call expr to ...
15656 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15658 2006-01-23 Richard Guenther <rguenther@suse.de>
15660 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15661 before make_edge with conditional EDGE_TRUE_VALUE.
15663 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15664 Jan Hubicka <jh@suse.cz>
15665 Richard Guenther <rguenther@suse.de>
15667 PR rtl-optimization/25654
15668 * cfgexpand.c (aggregate_contains_union_type): New function.
15669 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15670 for structure variables that contain a union type.
15672 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15674 * gengtype.c (new_structure): Return the structure.
15675 (create_option): Add an extra "next" argument.
15676 (create_field): New function.
15677 (adjust_field_rtx_def): Use create_option and create_field.
15678 Remove a now-unnecessary call to find_structure.
15679 (adjust_field_tree_def): Likewise.
15680 (note_yacc_type): Remove an unnecessary call to find_structure.
15681 * gengtype.h (new_structure): Return the structure.
15682 (create_option): Add an extra argument.
15683 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15684 (option): Adjust calls to create_option.
15686 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15688 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15690 2006-01-22 Paul Brook <paul@codesourcery.com>
15691 Peter Barada <peter@the-baradas.com>
15693 * config/m68k/m68k.md: Add Coldfire FPU support.
15694 Define FP mode macro and associated attributes.
15695 Use it for float mode patterns.
15696 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15697 (LIBCALL_VALUE): Use m68k_libcall_value.
15698 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15699 (m68k_function_value): Ditto.
15700 (emit_move_sequence): Ditto.
15701 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15702 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15703 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15704 (MULTILIB_EXCEPTIONS): Ditto.
15705 * config/m68k/m68k.opt: Add mcfv4e.
15706 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15707 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15708 (m68k_output_function_prologue): Save ColdFire FPU registers.
15709 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15710 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15711 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15712 ColdFire FPU registers.
15713 (m68k_libcall_value, m68k_function_value): New functions.
15714 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15715 (LIBCALL_VALUE): Use m68k_libcall_value.
15716 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15717 (MASK_COLDFIRE): Add MASK_CFV4E.
15718 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15719 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15720 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15721 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15722 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15723 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15724 * doc/invoke.tex: Document -mcfv4e on m68k.
15726 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15728 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15731 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15734 * c-opts.c (c_common_handle_option): Don't include
15735 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15736 * doc/invoke.texi (C++ Dialect Options): Document that
15737 -Wnon-virtual-dtor is no longer included in -Wall.
15739 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15741 * gcov.c (print_version), gcov-dump.c (print_version),
15742 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15745 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15747 * df-scan.c (problem_SCAN): Added NULL reset function.
15748 (df_scan_reset_blocks): Added code to call reset block function
15749 (df_bb_refs_delete) Fixed comment.
15750 (df_insn_refs_delete): Made tolerant of deleting non existent info
15751 for dataflow problems that need to be reset.
15752 * df-core.c (df_set_blocks): Ditto.
15753 * df.h (struct df_problem): Added reset_fun.
15754 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15755 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15756 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15757 functions to clear out all references to def-use or use-def chains.
15759 2006-01-21 Ben Elliston <bje@au.ibm.com>
15761 * varasm.c (assemble_real): Initialise data array.
15763 2006-01-20 Paul Brook <paul@codesourcery.com>
15765 Merge from csl-arm-branch.
15766 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15767 * config/arm/arm.md (movdi): Force operands[1] to a register
15768 if we have a non-register source.
15769 (*arm_movdi, *movdf_soft_insn): Require that one of the
15770 operands be a register.
15771 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15772 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15774 2006-01-20 DJ Delorie <dj@redhat.com>
15776 * varasm.c (initializer_constant_valid_p): Allow pointers
15777 initialized from integer constants of lesser precision.
15778 (output_constant): Allow non-int-sized pointer modes to be
15779 initialized from integer constants.
15781 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15784 * cppdefault.h (struct default_include): Add multilib flag.
15785 * cppdefault.c (cpp_include_defaults): Set it.
15786 * c.opt (-imultilib): New option.
15787 * c-opts.c (imultilib): New.
15788 (c_common_handle_option): Handle -imultilib.
15789 (c_common_post_options): Likewise.
15790 * c-incpath.c (add_standard_paths, register_include_chains):
15792 * c-incpath.h (register_include_chains): Add extra parameter.
15793 * gcc.c (do_spec_1): Generate -imultilib option.
15794 (The Specs Language): Update %I description.
15795 (process_command): Update copyright notice.
15796 * doc/cppopts.texi (-imultilib): Document.
15797 * doc/invoke.texi (-imultilib): Include in option summary.
15798 (%I): Update specs documentation.
15800 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15802 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15804 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15806 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15809 2006-01-20 Richard Guenther <rguenther@suse.de>
15810 Steven Bosscher <stevenb.gcc@gmail.com>
15812 PR rtl-optimization/24626
15813 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15814 EDGE_TRUE_VALUE if in RTL mode.
15817 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15818 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15820 2006-01-20 Dirk Mueller <dmueller@suse.com>
15823 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15824 instead of a special NOP marker.
15825 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15826 NOP marker handling.
15827 * c-common.h (empty_body_warning): Add forward declaration.
15828 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15829 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15831 2006-01-20 Paul Brook <paul@codesourcery.com>
15833 * Makefile.in (lang_checks): Keep going if mkdir fails.
15835 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15837 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15838 be able to clean out basic block when not necessary.
15839 (df_scan_free): Fixed to properly delete information if df is
15840 unused before calling df_finish.
15841 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15842 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15844 (df_bb_refs_delete): New function.
15845 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15846 * df-core.c (df_set_blocks): Added code to properly clean out
15847 unused blocks if they are not part of the blocks to consider.
15848 Added additional null check.
15849 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15850 be able to clean out basic block when not necessary
15851 * df.h (df_free_bb_function): Ditto.
15852 (df_bb_refs_delete): New function.
15853 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15854 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15855 basic block parameter to be able to clean out basic block when not
15857 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15858 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15859 Fixed to properly delete information if df is unused before
15862 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15864 PR rtl-optimization/25799
15865 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15866 Corrected confluence operator to remove bits from op2 before oring
15867 with op1 rather than removing bits from op1.
15868 (df_ru_transfer_function): Corrected test on wrong bitmap which
15869 caused infinite loop. Both of these problems were introduced in
15870 the dataflow rewrite.
15872 2006-01-19 DJ Delorie <dj@redhat.com>
15874 * reload1.c (find_reload_regs): Note the details of reload
15875 failures in the dump file.
15876 (spill_failure): Likewise.
15878 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15880 * loop-iv.c: Include df.h and hashtab.h.
15881 (enum iv_grd_result): New enum.
15882 (DF_REF_IV, DF_REF_IV_SET): New macros.
15883 (struct biv_entry): New.
15884 (df, bivs): New global variables.
15885 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15886 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15888 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15889 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15890 analyzed_for_bivness_p, record_biv): New functions.
15891 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15892 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15893 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15895 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15897 (iv_number_of_iterations): Use new interface to iv analysis.
15898 * loop-unroll.c: Do not include varray.h.
15899 (analyze_iv_to_split_insn): Use new interface to iv
15901 * loop-unswitch.c (may_unswitch_on): Ditto.
15902 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15904 (df_bb_modify): Realloc tables to the new index.
15905 (df_find_use): New function.
15906 * df.h (df_find_use): Declare.
15907 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15909 * cfgloop.h (struct rtx_iv): Remove analysed field.
15910 (iv_get_reaching_def): Removed.
15911 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15912 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15913 (loop-iv.o): Add df.h and hashtab.h dependency.
15914 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15916 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15919 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15921 (__floatundisf, __floatundidf): Likewise.
15922 * libgcc2.h (IS_IBM_EXTENDED): Define.
15924 2006-01-19 DJ Delorie <dj@redhat.com>
15926 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15928 2006-01-19 Paul Brook <paul@codesourcery.com>
15930 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15931 as nothrow when unwinding tables are disabled.
15933 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15936 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15937 of bit-field" when in system header.
15939 2006-01-19 DJ Delorie <dj@redhat.com>
15941 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15942 the 16 bit shift limit of the m16c.
15944 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15947 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15948 * config/i386/i386.c (output_set_got): Output the label if we have one
15949 for the TARGET_DEEP_BRANCH_PREDICTION case.
15951 2006-01-19 Jan Hubicka <jh@suse.cz>
15952 H.J. Lu <hongjiu.lu@intel.com>
15953 Evandro Menezes <evandro.menezes@amd.com>
15955 * invoke.texi (generic): Document
15957 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15958 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15959 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15960 (x86_use_incdec, x86_pad_returns): New variables
15961 (TARGET_CPU_DEFAULT_generic): New constant
15962 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15963 (enum processor_type): Add generic32 and generic64.
15964 * i386.md (cpu attribute): Add generic32/generic64
15965 (movhi splitter): Behave sanely when both partial_reg_dependency and
15966 partial_reg_stall are set.
15967 (K8 splitters): Enable for generic as well.
15968 * predicates.md (incdec_operand): Use TARGET_INCDEC
15969 (aligned_operand): Avoid memory mismatch stalls.
15970 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15971 * ppro.md: Enable for generic32
15972 * i386.c (generic64_cost, generic32_cost): New.
15973 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15974 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15975 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15976 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15977 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15978 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15979 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15980 x86_accumulate_outgoing_args, x86_prologue_using_move,
15981 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15982 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15983 Enable for generic.
15984 (x86_use_incdec, x86_pad_returns): New.
15985 (override_options): Add generic32 and generic64, translate "generic"
15986 to generic32/generic64 and "i686" to "generic32", refuse
15987 "generic32"/"generic64" as arch target.
15988 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15989 (ix86_reorg): Honor PAD_RETURNS.
15991 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15993 * tree-pretty-print.c (dump_generic_node): Handle
15994 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15995 * cgraph.c (cgraph_expand_queue): Rename from
15996 cgraph_analyze_queue. Update all users.
15997 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15998 cgraph_expand_queue.
15999 (cgraph_expand_all_functions): Likewise.
16000 (cgraph_finalize_pending_functions): Remove. Update callers.
16002 * tree.h (OMP_DIRECTIVE_P): Define.
16003 (OMP_PARALLEL_FN): Define.
16004 (OMP_PARALLEL_DATA_ARG): Define.
16005 (OMP_SECTIONS_SECTIONS): Define.
16006 * tree-pass.h (pass_expand_omp): Declare.
16007 * omp-low.c (struct omp_region): Declare.
16008 (struct omp_context): Remove fields 'parallel_type',
16009 'parallel_start_ix' and 'parallel_start_additional_args'.
16011 (struct omp_for_data): Rename from struct expand_omp_for_data.
16012 (omp_regions): New static variable.
16013 (root_omp_region): New static variable.
16014 (find_omp_clause): Make static.
16015 (is_in_combined_parallel_ctx): Remove.
16016 (is_combined_parallel): New.
16017 (extract_omp_for_data): Move earlier in the file.
16018 (workshare_safe_to_combine_p): New.
16019 (get_ws_args_for): New.
16020 (determine_parallel_type): Move earlier in the file.
16021 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16023 (omp_copy_decl): Likewise.
16024 (create_omp_child_function): Likewise.
16025 (lookup_omp_region): New.
16026 (dump_omp_region): New.
16027 (debug_omp_region): New.
16028 (debug_all_omp_regions): New.
16029 (new_omp_region): New.
16030 (scan_omp_parallel): If parallel_nesting_level > 1, the
16031 directive is nested within another parallel directive.
16032 Set OMP_PARALLEL_FN.
16033 (scan_omp_for): Do not try to handle combined parallel+for
16035 Remove FIXME comment.
16036 (scan_omp_nested): Remove.
16037 (scan_omp_1): Do not call scan_omp_nested when
16038 parallel_nesting_level is > 1.
16039 Do not change the DECL_CONTEXT of local variables found.
16040 (lookup_decl_in_outer_ctx): New.
16041 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16042 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16043 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16044 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16045 If CTX is nested, lookup VAR in the outer context when
16046 building copy assignment.
16047 (lower_send_clauses): Rename from expand_send_clauses.
16048 If CTX is nested, lookup VAR in the outer context when
16049 building copy assignments.
16050 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16051 If CTX is nested, lookup VAR in the outer context when
16052 building copy assignments.
16053 (expand_parallel_call): Rename from build_parallel_call.
16054 Handle combined parallel+workshare cases.
16055 Re-implement to emit code into the CFG.
16057 (expand_omp_parallel): Re-implement to emit code into the CFG.
16058 Call move_sese_region_to_fn to outline the sub-graph
16059 containing the parallel region.
16060 (expand_omp_for_1): Remove.
16061 (expand_omp_for_generic): Re-implement to emit code into the
16063 (expand_omp_for_static_nochunk): Likewise.
16064 (expand_omp_for_static_chunk): Likewise.
16065 (expand_omp_for): Likewise.
16066 (expand_omp_sections): Likewise.
16067 (remove_exit_barriers): New.
16068 (expand_omp_synch): New.
16070 (build_omp_regions_1): New.
16071 (build_omp_regions): New.
16072 (execute_expand_omp): New.
16073 (gate_expand_omp): New.
16074 (pass_expand_omp): Define.
16075 (lower_omp_sections): Rename from expand_omp_sections.
16076 Set OMP_SECTIONS_SECTIONS.
16077 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16078 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16079 (lower_omp_single): Rename from expand_omp_simple.
16080 (lower_omp_master): Rename from expand_omp_master.
16081 (lower_omp_ordered): Rename from expand_omp_ordered.
16082 (lower_omp_critical): Rename from expand_omp_critical.
16083 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16084 (lower_omp_for): Re-implement.
16085 (lower_omp_parallel): Re-implement.
16086 (lower_regimplify): Rename from expand_regimplify.
16087 (lower_omp_1): Rename from expand_omp_1.
16088 If there are syntax errors in the program, replace every
16089 OpenMP directive with NOP.
16090 Call lower_omp_* instead of expand_omp_*.
16091 (lower_omp): Rename from expand_omp.
16093 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16094 * tree-gimple.h (enum omp_parallel_type): Remove.
16095 (gimple_boolify): Declare extern.
16096 (find_omp_clause, determine_parallel_type): Remove.
16098 * gimple-low.c (lower_omp_directive): New.
16099 (lower_stmt): Call it.
16100 (record_vars_into): Move from ...
16101 (record_vars): ... here.
16102 Call record_vars_into with current_function_decl.
16104 * gimplify.c (struct gimplify_ctx): Remove fields
16105 combined_pre_p and combined_ctxp. Update users.
16106 (get_formal_tmp_var): Add documentation.
16107 (gimple_boolify): Make extern.
16108 (gimplify_expr_in_ctx): Remove. Update callers.
16109 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16110 will always be a BIND_EXPR.
16111 (gimplify_expr): Handle OMP_RETURN_EXPR.
16112 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16113 (OMP_PARALLEL): Add 3 operands.
16114 (OMP_SECTIONS): Add 1 operand.
16115 (OMP_RETURN_EXPR): Define.
16117 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16118 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16119 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16120 creating a circular free list.
16121 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16123 * tree-flow.h (move_sese_region_to_fn): Declare.
16124 (record_vars_into): Declare.
16125 * tree-cfg.c (make_omp_sections_edges): New.
16126 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16127 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16128 OMP_SECTIONS and OMP_SECTION.
16129 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16130 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16131 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16132 (gather_blocks_in_sese_region): New.
16133 (struct move_stmt_d): Declare.
16134 (move_stmt_r): New.
16135 (move_block_to_fn): New.
16136 (move_sese_region_to_fn): New.
16138 * passes.c (init_optimization_passes): Schedule
16139 pass_expand_omp after pass_init_datastructures.
16141 * tree-ssa-operands.c (get_expr_operands): Handle
16142 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16143 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16145 2006-01-19 Jeff Law <law@redhat.com>
16147 * tree-vrp.c (extract_range_from_assert): Refine the result range
16148 if the variable referenced by the ASSERT_EXPR has a range and
16149 either the tentative result range or the previous range is a
16152 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16154 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16156 2006-01-19 Jan Hubicka <jh@suse.cz>
16158 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16160 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16162 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16163 (expand_compound_operation, expand_field_assignment): Fail if the
16164 bit lengths of an extract operation are out of range.
16165 (make_extraction): Compute wanted_inner_mode based on the position
16166 and length of the extraction. Make it extraction_mode for non-constant
16167 positions, and do not modify offset in that case. When generating a
16168 new MEM, use a mode that can hold the extraction while keeping correct
16169 alignment. Remove code that supported MEMs wrapped by USEs.
16170 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16172 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16174 * config/s390/s390.md ("Y", "y"): New mode attribute.
16175 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16176 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16177 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16178 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16179 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16180 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16181 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16182 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16183 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16184 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16185 "addsi3", "subsi3"): Insn patterns removed.
16186 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16187 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16188 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16189 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16190 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16191 "*sub<mode>3_cconly2"): New insn patterns.
16192 ("addsi3", "subsi3"): New expanders.
16194 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16196 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16197 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16198 existing STMT_VINFO_VECTYPE if available.
16199 (vect_mark_relevant): Add special handling for stmts that are
16200 marked as STMT_VINFO_IN_PATTERN_P.
16201 (vect_analyze_loop): Call vect_pattern_recog.
16202 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16203 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16205 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16206 (vect_recog_func_ptr): New function-pointer type.
16207 * tree-vect-patterns.c: New file.
16208 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16209 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16210 (vect_pattern_recog_1): New functions.
16211 (vect_pattern_recog_funcs): New array of function pointers.
16213 * tree-vectorizer.h (ternary_op): New enum value.
16214 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16215 declaration. Revised documentation. Removed redundant dump prints.
16216 Removed redundant argument. Added support for reduction patterns.
16217 (vectorizable_reduction): Added support for reduction patterns.
16218 (vect_transform_stmt): Added support for patterns.
16220 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16221 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16222 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16223 (expand_widen_pattern_expr): New function.
16224 (init_optabs): Initialize new optabs udot_prod_optab,
16226 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16227 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16228 (expand_widen_pattern_expr): New function declaration.
16229 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16231 * tree-inline.c (estimate_num_insns_1): Added cases for new
16232 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16233 * tree-pretty-print.c (dump_generic_node): Likewise.
16234 (op_prio): Likewise.
16235 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16236 * tree-ssa-operands.c (get_expr_operands): Added case for
16238 * tree-vect-patterns.c (widened_name_p): New function.
16239 (vect_recog_dot_prod_pattern): Added function implementation.
16240 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16241 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16242 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16243 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16245 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16246 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16247 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16248 (init_optabs): Initialize new optabs widen_ssum_optab,
16250 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16251 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16252 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16253 use instead of type of def.
16254 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16255 function implementation.
16256 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16257 widen_ssumv8hi): New.
16259 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16262 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16265 * c-decl.c (add_flexible_array_elts_to_size): New function.
16266 (finish_decl): Use it.
16268 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16270 * diagnostic.h: Include options.h.
16271 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16272 dependancies for diagnostic.h.
16273 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16275 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16277 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16278 (ssa_ro_call_cache_valid): Ditto.
16279 * tree-ssa-alias.c (sort_tags_by_id): New function.
16280 (init_transitive_clobber_worklist): Ditto.
16281 (add_to_worklist): Ditto.
16282 (mark_aliases_call_clobbered): Ditto.
16283 (compute_tag_properties): Ditto.
16284 (set_initial_properties): Ditto.
16285 (compute_call_clobbered): Ditto.
16286 (compute_may_aliases): Call compute_call_clobbered and grouping.
16287 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16288 (compute_flow_insensitive_aliasing): Grouping now happens in our
16290 (setup_pointers_and_addressables): Remove clobbering related code.
16291 (add_may_alias): Ditto.
16292 (replace_may_alias): Ditto.
16293 (get_nmt_for): Ditto.
16294 (create_global_var):
16295 (is_escape_site): Return an escape_type enumeration.
16296 * tree-flow-inline.h (is_call_clobbered): Global var does not
16297 imply call clobbered.
16298 (mark_call_clobbered): Take a reason for marking this. Remove
16299 marking of globalness, and cache invalidation.
16300 (clear_call_clobbered): Remove cache invalidation code.
16301 * tree-dfa.c (dump_variable): If details is on, dump the reason
16303 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16305 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16306 (struct var_ann_d): Ditto.
16307 (enum escape_type): New.
16308 (mark_call_clobbered): Adjust prototype.
16309 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16310 are never call clobbered.
16311 Record reasons for escaping.
16312 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16313 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16314 (ssa_ro_call_cache_valid): Ditto.
16315 (clobbered_v_may_defs): Ditto.
16316 (clobbered_vuses): Ditto.
16317 (ro_call_vuses): Ditto.
16318 (clobber_stats): New.
16319 (init_ssa_operands): Zero out clobber stats.
16320 (fini_ssa_operands): Print out clobber stats.
16321 (get_call_expr_operands): Pass callee fndecl to
16322 add_call_read_ops).
16323 (add_call_clobber_ops): Remove use of cache.
16324 Add use of PURE_CONST information.
16325 (add_call_read_ops): Remove use of cache.
16326 Add use of static not_read information.
16328 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16330 Introduce TLS descriptors for i386 and x86_64.
16331 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16332 (TARGET_ANY_GNU_TLS): New macro.
16333 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16334 (struct machine_function): Add tls_descriptor_call_expanded_p.
16335 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16336 (ix86_current_function_calls_tls_descriptor): Likewise.
16337 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16338 (override_options): Introduce gnu2 tls dialect.
16339 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16341 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16343 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16344 (ix86_init_machine_status): Initialize new field.
16345 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16346 (ix86_tls_module_base): New.
16347 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16348 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16349 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16350 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16351 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16352 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16353 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16354 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16355 * config/i386/predicates.md (tls_modbase_operand): New.
16356 (tp_or_register_operand): New.
16358 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16360 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16361 (look_for_address_of): Ditto.
16362 (ipa_init): Walk the function decls.
16363 (static_execute): Don't set readonly on FUNCTION_DECL's.
16365 2006-01-18 Roger Sayle <roger@eyesopen.com>
16367 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16368 for shifts where the source and destination registers are different.
16370 2006-01-18 Paul Brook <paul@codesourcery.com>
16372 Merge from csl-arm-branch.
16373 2005-03-14 Julian Brown <julian@codesourcery.com>
16374 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16375 (aeabi_llsl): Likewise.
16376 (ashrdi3): Likewise.
16377 (aeabi_lasr): Likewise.
16378 (lshrdi3): Likewise.
16379 (aeabi_llsr): Likewise.
16380 2005-03-10 Julian Brown <julian@codesourcery.com>
16381 * config.gcc: Disable shared libgcc for SymbianOS.
16382 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16384 2006-01-18 DJ Delorie <dj@redhat.com>
16386 * c-pragma.c (handle_pragma_diagnostic): New.
16387 (init_pragma): Register it.
16388 * doc/extend.texi: Document it.
16390 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16391 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16392 (diagnostic_context): Add classify_diagnostic[].
16393 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16394 as errors if they're overridden to DK_WARNING.
16395 (diagnostic_initialize): Initialize classify_diagnostic[].
16396 (diagnostic_set_kind_override): New.
16397 (diagnostic_report_diagnostic): Check for kind changes.
16398 * opts.c (common_handle_option): Take lang_mask. Update callers.
16399 Handle OPT_Werror_.
16400 * common.opt (Werror=): New.
16401 * doc/invoke.texi: Document -Werror=*
16403 2006-01-18 Jeff Law <law@redhat.com>
16405 * tree-vrp.c (test_for_singularity): Correct test for new
16406 min limit. Use operand_equal_p rather than pointer equality
16407 for testing if new min/max values are equal.
16409 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16410 using range information until after propagation and folding.
16412 2006-01-18 Richard Henderson <rth@redhat.com>
16413 Aldy Hernandez <aldyh@redhat.com>
16414 Jakub Jelinek <jakub@redhat.com>
16415 Diego Novillo <dnovillo@redhat.com>
16417 * omp-low.c: New file.
16418 * c-omp.c: New file.
16420 2006-01-18 Richard Henderson <rth@redhat.com>
16421 Jakub Jelinek <jakub@redhat.com>
16422 Diego Novillo <dnovillo@redhat.com>
16424 * doc/invoke.texi: Document -fopenmp.
16425 * tree-dump.h (debug_function): Declare.
16426 * hooks.c (hook_bool_tree_bool_false): New function.
16427 (hook_tree_tree_null): Remove.
16428 (hook_tree_tree_tree_null): New.
16429 * hooks.h: Update to match.
16430 * tree-pretty-print.c (debug_tree_chain): New.
16431 (print_generic_expr): Handle TDF_CHAIN.
16432 (dump_generic_node): Handle BLOCK.
16433 Do not abort with incomplete SWITCH_EXPRs.
16434 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16435 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16436 print space after directive name.
16437 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16438 Handle OMP_MASTER and OMP_ORDERED.
16439 Handle printing of OMP_BODY just in one place, goto
16440 dump_omp_body in the rest of OMP_* nodes that have
16442 Don't handle clause nodes here. Update omp statements to
16443 use dump_omp_clauses.
16444 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16445 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16446 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16447 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16448 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16449 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16450 Adjust output for GOMP_PARALLEL.
16451 (dump_omp_clauses): New.
16452 (print_declaration): Dump DECL_VALUE_EXPR.
16453 (op_symbol_1): Split out of op_symbol.
16454 (dumping_stmts): Remove. Update all users.
16455 * cgraph.c (cgraph_analyze_queue): New.
16456 (cgraph_add_new_function): New.
16457 * cgraph.h (cgraph_analyze_queue): Declare.
16458 (cgraph_add_new_function): Declare.
16459 (cgraph_lower_function): Remove.
16460 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16461 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16462 and TYPE_P nodes in its default clause.
16463 (empty_body_p): New.
16464 (tree_range_check_failed): New.
16465 (build5_stat): New.
16466 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16467 OMP_CLAUSE_REDUCTION_MERGE,
16468 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16469 OMP_CLAUSE_PRIVATE_DEBUG,
16470 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16471 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16472 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16473 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16474 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16475 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16476 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16477 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16478 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16479 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16480 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16481 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16482 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16483 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16484 (TREE_RANGE_CHECK): New.
16485 (empty_body_p): Declare.
16486 (enum omp_clause_default_kind): New.
16487 (build_string_literal): Declare.
16488 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16489 (build5_stat, build5): Declare.
16490 * tree-pass.h (TDF_CHAIN): Define.
16491 * tree-pass.h (PROP_gimple_lomp): Define.
16492 (pass_lower_omp): Declare.
16493 * diagnostic.h (debug_tree_chain): Declare.
16494 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16496 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16497 * builtins.c (build_string_literal): Make extern.
16498 * gcc.c (include_spec_function): New.
16499 (static_spec_functions): Add it.
16500 (main): Move load of libgomp.spec ...
16501 (LINK_COMMAND_SPEC): ... here.
16502 (link_gomp_spec): New.
16503 (static_specs): Include it.
16504 (LINK_COMMAND_SPEC): Add link_gomp.
16505 (GOMP_SELF_SPECS): New.
16506 (driver_self_specs): Include it.
16507 (switch_matches): Don't mark inline.
16508 (main): Load libgomp.spec.
16509 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16510 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16511 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16512 * tree-gimple.h (enum omp_parallel): Declare.
16513 (determine_parallel_type): Declare.
16514 (omp_firstprivatize_variable): Declare.
16515 (omp_reduction_init): Declare.
16516 (diagnose_omp_structured_block_errors): Declare.
16517 (struct walk_stmt_info): Add want_return_expr.
16518 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16519 (find_omp_clause): Declare.
16520 (insert_field_into_struct): Declare.
16521 (struct walk_stmt_info): Move from tree-nested.c
16522 (walk_stmts): Declare.
16523 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16525 * cgraphunit.c (cgraph_lower_function): Make static.
16526 (cgraph_finalize_pending_functions): New.
16527 (cgraph_finalize_function): Call it.
16528 (cgraph_finalize_compilation_unit): Likewise.
16529 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16530 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16531 (BT_FN_UINT_UINT): New.
16532 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16533 DEF_FUNCTION_TYPE_VAR_4): Document.
16534 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16535 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16536 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16537 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16538 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16539 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16540 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16541 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16542 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16543 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16544 into separate files.
16545 (DEF_GOMP_BUILTIN): New.
16546 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16547 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16548 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16549 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16550 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16551 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16552 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16553 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16554 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16555 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16556 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16557 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16558 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16559 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16560 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16561 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16562 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16563 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16564 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16565 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16566 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16567 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16568 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16569 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16570 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16571 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16572 * sync-builtins.def: New file, moved from builtins.def.
16573 * omp-builtins.def: New file, moved from builtins.def.
16574 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16575 * gimple-low.c (lower_function_body): Clear data.
16576 (lower_stmt): Do not handle COMPOUND_EXPR.
16577 Remove call to print_node_brief.
16578 * c-tree.h (c_finish_omp_clauses): New prototype.
16579 (C_DECL_THREADPRIVATE_P): Define.
16580 (lookup_name_no_remap, c_omp_remap_private): Remove
16581 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16582 (check_for_loop_decls): Update decl.
16583 (lookup_name_no_remap, c_omp_remap_private): Declare.
16584 (build_indirect_ref, build_modify_expr, pushdecl,
16585 pushdecl_top_level): Move to c-common.h.
16586 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16587 before the switch, but just in the 2 places that need it.
16588 * c-decl.c (diagnose_mismatched_decls): Do not check for
16589 mismatched thread-local attributes when OLDDECL is marked
16590 threadprivate and NEWDECL has no thread-local attributes.
16591 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16592 (c_gimple_diagnostics_recursively): Rename from
16593 c_warn_unused_result_recursively. Invoke
16594 diagnose_omp_structured_block_errors.
16595 (check_for_loop_decls): Return a singular decl found.
16596 * langhooks.c (lhd_omp_predetermined_sharing): Return
16597 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16598 (lhd_omp_firstprivatize_type_sizes): New.
16599 (lhd_omp_assignment): New.
16600 (lhd_omp_predetermined_sharing): New.
16601 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16602 (struct lang_hooks_for_types): Add
16603 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16604 omp_predetermined_sharing, omp_disregard_value_expr,
16605 omp_private_debug_clause, omp_clause_default_ctor,
16606 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16607 (c_finish_omp_clauses): New.
16608 (c_finish_bc_stmt): Diagnose break within omp for.
16609 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16610 (build_unary_op): Return error_mark after reporting
16612 (build_modify_expr): Likewise.
16613 * gimplify.c: Include optabs.h and pointer-set.h.
16614 (enum gimplify_omp_var_data): Declare.
16615 (struct gimplify_omp_ctx): Declare.
16616 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16618 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16619 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16620 (splay_tree_compare_decl_uid): New.
16621 (new_omp_context): New.
16622 (delete_omp_context): New.
16623 (gimple_add_tmp_var): Call omp_add_variable.
16624 (gimplify_bind_expr): Likewise.
16625 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16626 true, disregard DECL_VALUE_EXPR on the decl if any.
16627 (gimplify_expr_in_ctx): New.
16628 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16629 omp_add_variable, omp_notice_variable, omp_is_private
16630 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16631 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16632 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16633 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16634 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16635 gimplify_omp_atomic): New.
16636 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16637 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16638 OMP_CRITICAL and OMP_ATOMIC.
16639 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16640 * c-pragma.h (enum pragma_kind): Add
16641 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16642 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16643 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16644 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16645 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16646 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16647 PRAGMA_OMP_THREADPRIVATE.
16648 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16649 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16650 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16651 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16652 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16653 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16654 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16655 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16656 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16657 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16658 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16659 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16660 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16662 (struct nesting_info): Add field_map,
16663 suppress_expansion, debug_var_chain.
16664 (create_nesting_tree): Initialize them.
16665 (lookup_field_for_decl): Use field_map.
16666 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16667 (convert_local_omp_clauses): New.
16668 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16669 (walk_body): Split out of walk_function.
16670 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16671 (convert_nonlocal_reference): Handle omp statements.
16672 (convert_local_reference): Likewise.
16673 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16674 (unnest_nesting_tree): New.
16675 (lower_nested_functions): Call it.
16676 (insert_field_into_struct): Make extern.
16677 (struct walk_stmt_info): Move to tree-gimple.h.
16678 (walk_stmts): Make extern.
16679 * omp-builtins.def: New file.
16680 * tree-iterator.c (expr_only): Clarify comment.
16681 * c-common.h (pushdecl_top_level, pushdecl,
16682 build_modify_expr, build_indirect_ref,
16683 c_finish_omp_master, c_finish_omp_critical,
16684 c_finish_omp_ordered, c_finish_omp_barrier,
16685 c_finish_omp_atomic, c_finish_omp_flush,
16686 c_finish_omp_for, c_split_parallel_clauses,
16687 omp_clause_default_kind, c_omp_sharing_predetermined,
16688 c_omp_remap_decl): Declare.
16689 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16690 (OBJS-common): Add omp-low.o.
16691 (c-omp.o, omp-low.o): Add.
16692 (gimplify.o): Add dependency on $(OPTABS_H).
16693 (GTFILES): Add omp-low.c.
16694 (gt-stringpool.h): Add.
16695 * tree-cfg.c (set_bb_for_stmt): Do not update the
16696 block-to-labels map if we are currently expanding to RTL.
16697 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16699 Handle IDENTIFIER_NODE.
16700 (tree_verify_flow_info): Do not ICE when emitting error
16701 messages about invalid labels.
16702 (dump_function_to_file): Reset CFUN before emitting the body
16704 (debug_function): New.
16705 * passes.c (init_optimization_passes): Schedule
16707 * langhooks-def.h (lhd_omp_predetermined_sharing,
16708 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16710 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16711 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16712 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16713 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16714 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16715 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16716 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16717 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16718 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16719 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16720 (LANG_HOOK_DECLS): Use them.
16722 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16723 Richard Henderson <rth@redhat.com>
16724 Jakub Jelinek <jakub@redhat.com>
16725 Diego Novillo <dnovillo@redhat.com>
16727 * c-parser.c (pragma_omp_clause): Define.
16728 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16729 (c_parser_compound_statement): Likewise.
16730 (c_parser_statement): Likewise.
16731 (c_parser_pragma): Handle omp pragmas.
16732 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16733 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16734 (c_parser_omp_clause_name, check_no_duplicate_clause,
16735 c_parser_omp_variable_list,
16736 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16737 c_parser_omp_clause_copyprivate,
16738 c_parser_omp_clause_default,
16739 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16740 c_parser_omp_clause_lastprivate,
16741 c_parser_omp_clause_nowait,
16742 c_parser_omp_clause_num_threads,
16743 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16744 c_parser_omp_clause_reduction,
16745 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16746 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16747 c_parser_omp_atomic, c_parser_omp_barrier,
16748 c_parser_omp_critical, c_parser_omp_flush,
16749 c_parser_omp_for_loop, c_parser_omp_for,
16750 c_parser_omp_master, c_parser_omp_ordered,
16751 c_parser_omp_sections_scope, c_parser_omp_sections,
16752 c_parser_omp_parallel, c_parser_omp_single,
16753 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16754 * c-pragma.c (init_pragma): Do omp pragma registration here.
16755 * c.opt (fopenmp): New flag.
16757 2006-01-18 Eric Christopher <echristo@apple.com>
16759 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16760 * config/darwin.h (GOMP_SELF_SPECS): Define.
16762 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16764 * rtl.h: Remove the prototype for reg_alloc.
16766 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16769 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16770 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16771 sjlj and dwarf2 exception handling.
16772 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16773 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16774 * pa/pa.c (function_value): Treat complex and vector types as
16776 (function_arg): Likewise. Only pass scalar floats in the floating
16777 point argument registers.
16778 * pa/t-slibgcc-dwarf-ver: New file.
16779 * pa/t-slibgcc-sjlj-ver: New file.
16780 * pa/t-slibgcc-elf-ver: Delete file.
16782 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16784 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16785 unlikely_test_section_p test.
16787 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16789 * mode-switching.c (optimize_mode_switching): Make it static.
16790 * basic-block.h: Remove the prototype for
16791 optimize_mode_switching.
16793 * modulo-sched.c (sms_schedule): Make it static.
16794 * rtl.h: Remove the prototype for sms_schedule.
16796 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16797 * rtl.h: Remove the prototype for gcse_after_reload_main.
16799 * reg-stack.c (reg_to_stack): Make it static.
16800 * rtl.h: Remove the prototype for reg_to_stack.
16802 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16804 * rtl.h: Remove the prototypes for regrename_optimize and
16805 copyprop_hardreg_forward.
16807 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16809 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16810 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16811 Test against the appropriate null constant for the mode.
16812 If 'fixup_overlap' is true, swap the operands if they overlap.
16813 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16814 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16815 alpha_split_tmode_pair and adjust for above change.
16816 * config/alpha/alpha.md (movtf_internal): Adjust call to
16817 alpha_split_tfmode_pair and rely on it to swap the operands.
16818 (movti_internal): New insn and post-reload splitter.
16819 (movti): New expander.
16821 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16823 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16826 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16828 * rtlanal.c (global_reg_mentioned_p_1,
16829 global_reg_mentioned_p): Remove.
16830 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16832 * flow.c (initialize_uninitialized_subregs): Make it static.
16833 * rtl.h: Remove the prototype for
16834 initialize_uninitialized_subregs.
16836 * function.c (instantiate_virtual_regs): Make it static.
16837 * function.h: Remove the prototype for
16838 instantiate_virtual_regs.
16840 * regmove.c (regmove_optimize, combine_stack_adjustments):
16842 * rtl.h: Remove the prototypes for regmove_optimize and
16843 combine_stack_adjustments.
16845 2006-01-17 Roger Sayle <roger@eyesopen.com>
16847 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16848 (size_cost): Encode costs in bytes so that a reg-reg addition is
16849 equivalent to COSTS_N_INSNS(1).
16850 (override_options): Use the size_cost.branch_cost as the default
16851 ix86_branch_cost when optimizing for size.
16853 2006-01-18 Ben Elliston <bje@au.ibm.com>
16855 * Makefile.in (D32PBIT_FUNCS): New.
16856 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16857 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16858 D64PBIT_FUNCS and D128PBIT_FUNCS.
16859 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16860 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16862 (decnumber_dep): Define.
16863 * doc/libgcc.texi (Decimal float library routines): New node.
16864 * config/dfp-bit.h, config/dfp-bit.c: New files.
16866 2006-01-18 Ben Elliston <bje@au.ibm.com>
16868 * expr.c (emit_move_change_mode): Always adjust addresses, not
16869 just during reload. Copy replacements only during reload.
16870 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16871 emit_move_via_integer.
16873 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16875 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16876 instead of $(srcdir) and ${srcdir}.
16878 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16881 PR middle-end/11135
16882 * arm.h (struct machine_function): Add pic_reg.
16883 * arm.c (arm_pic_register): Make unsigned.
16884 (arm_override_options): Only set arm_pic_register if
16885 TARGET_SINGLE_PIC_BASE.
16886 (use_return_insn): Only test for a pic register if it is fixed.
16887 (arm_compute_save_reg0_reg12_mask): Likewise.
16888 (thumb_compute_save_reg_mask): Likewise.
16889 (legitimate_pic_operand): Factor out some known invariants.
16890 (legitimize_pic_address): If we don't have a fixed pic register,
16891 then set up a pseudo in the function entry sequence. Handle the
16892 pic base being in a pseudo.
16893 (arm_load_pic_register): Handle the pic register being in a pseudo.
16894 (arm_expand_prologue): Only set up the pic register if it is fixed.
16895 (thumb_expand_prologue): Likewise.
16896 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16897 (pic_load_addr_based_insn): Likewise.
16898 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16901 2006-01-18 Ben Elliston <bje@au.ibm.com>
16903 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16904 decimal float modes for all floating point registers.
16906 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16907 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16909 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16912 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16913 even when the pointer is not NULL.
16915 2006-01-16 Ian Lance Taylor <ian@airs.com>
16917 * common.opt (ftoplevel-reorder): New option.
16918 * cgraph.c (cgraph_asm_nodes): New global variable.
16919 (cgraph_asm_last_node): New static variable.
16920 (cgraph_order): New global variable.
16921 (cgraph_create_node): Set new order field.
16922 (cgraph_varpool_node): Likewise.
16923 (decide_is_variable_needed): Return true if not
16924 flag_toplevel_reorder.
16925 (cgraph_add_asm_node): New function.
16926 * cgraph.h (struct cgraph_node): Add order field.
16927 (struct cgraph_varpool_node): Add order field.
16928 (struct cgraph_asm_node): Define.
16929 (cgraph_asm_nodes, cgraph_order): Declare.
16930 (cgraph_add_asm_node): Declare.
16931 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16933 (cgraph_varpool_assemble_pending_decls): Call it.
16934 (cgraph_output_pending_asms): New static function.
16935 (cgraph_finalize_compilation_unit): Call it.
16936 (struct cgraph_order_sort): Define.
16937 (cgraph_output_in_order): New static function.
16938 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16939 !flag_toplevel_reorder case.
16940 * c-parser.c: Include "cgraph.h".
16941 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16943 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16944 than -fno-unit-at-a-time.
16945 * doc/invoke.texi (Option Summary): Mention
16946 -fno-toplevel-reorder.
16947 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16948 -funit-at-a-time documentation.
16950 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16951 Kazu Hirata <kazu@codesourcery.com>
16953 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16955 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16957 * Makefile.in (FUNCTION_H): New. Use it instead of
16958 function.h throughout the file.
16959 * function.h: Include tree.h.
16961 2006-01-17 Ben Elliston <bje@au.ibm.com>
16963 * recog.c: Separate some functions with whitespace.
16965 2006-01-16 Richard Henderson <rth@redhat.com>
16967 Merge from gomp branch:
16968 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16969 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16970 and rename from struct inline_data. Rename callee* to dst*;
16971 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16972 transform_new_cfg, transform_return_to_modify, and
16973 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16975 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16976 (copy_decl_for_dup): Remove.
16977 * tree-inline.c (struct inline_data): Move to header.
16978 (insert_decl_map): Export.
16979 (remap_decl): Update for member name changes. Use copy_decl hook.
16980 Allow for replacement to be a non-decl. Remove dead code.
16981 (remap_type_1): Check for existing mapping.
16982 (remap_type): Export.
16983 (remap_decls): Update for member name changes.
16984 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16985 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16986 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16987 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16988 (tree_function_versioning, build_duplicate_type): Likewise.
16989 (copy_body_r): Likewise. Export.
16990 (copy_decl_for_dup): Split into ...
16991 (copy_decl_for_dup_finish, copy_decl_to_var,
16992 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16993 (replace_ref_tree, inlining_p): Remove.
16995 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16997 * ifcvt.c (if_convert): Make it static.
16998 * rtl.h: Remove the prototype for if_convert.
17000 * local-alloc.c (local_alloc): Make it static.
17001 * rtl.h: Remove the prototype for local_alloc.
17003 * loop.c (loop_optimize): Make it static.
17004 * cfgloop.h: Remove the prototype for loop_optimize.
17007 2006-01-16 DJ Delorie <dj@redhat.com>
17009 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17012 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17014 * pa.md: Disparage copies between general and floating-point registers
17015 in 32-bit move patterns.
17017 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17020 * Makefile.in (check-%): Depend on site.exp instead of
17021 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17024 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17026 * global.c (global_alloc): Make it static.
17027 * rtl.h: Remove the prototype for global_alloc.
17029 2006-01-16 Richard Guenther <rguenther@suse.de>
17031 * tree-ssa-alias.c (struct used_part): Add write_only field.
17032 (get_or_create_used_part_for): Initialize it to true.
17033 (create_overlap_variables_for): Don't create structure variables
17034 for structures that only are written to.
17035 (find_used_portions): Handle MODIFY_EXPR to track whether a
17036 structure is only written to.
17038 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17040 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17042 * basic-block.h: Remove the prototype for
17043 partition_hot_cold_basic_blocks.
17045 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17047 * cppspec.c (lang_specific_spec_functions): Remove.
17048 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17049 * gcc.h (lang_specific_spec_functions): Remove.
17050 * gccspec.c (lang_specific_spec_functions): Remove.
17052 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17054 * combine.c (record_value_for_reg): Invalidate registers
17056 (record_dead_and_set_regs_1): Likewise, by passing them to
17057 record_value_for_reg.
17058 (record_dead_and_set_regs): Invalidate stores made by a
17059 call. We do not combine across a call, but we still
17060 relied on equivalences.
17062 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17064 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17065 vrp_int_const_binop returning non-constant nodes.
17067 2006-01-16 Paul Brook <paul@codesourcery.com>
17069 * config/m68k/m68k.c (output_move_const_into_data_reg):
17070 Output correct mnemonic for mvz and mvs.
17072 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17074 * rtl-factoring.c: Add sequence abstraction algorithm.
17075 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17076 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17078 (block_has_preserve_label): New function.
17079 * common.opt: Register new pass.
17080 * Makefile.in: Ditto.
17082 * timevar.def: Ditto.
17083 * tree-pass.h: Ditto.
17084 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17085 * rtl.h (make_jump_insn_raw): Add forward decl.
17086 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17088 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17089 Roger Sayle <roger@eyesopen.com>
17091 * fold-const.c (fold_minmax): New static function.
17092 (fold_binary) <MIN_EXPR>: Call it.
17093 <MAX_EXPR>: Likewise.
17094 * stor-layout.c (place_field): Use DECL_SIZE consistently
17095 in the computation of the new record size.
17097 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17099 * cse.c (cse_condition_code_reg): Make it static.
17100 * rtl.h: Remove the prototype for cse_condition_code_reg.
17102 * combine.c (combine_instructions): Make it static.
17103 * rtl.h: Remove the prototype for combine_instructions.
17105 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17108 * tree.c (get_file_function_name_long): Concatenate the first global
17109 object name with a string derived from the input filename of the object
17112 2006-01-16 Ben Elliston <bje@au.ibm.com>
17114 * config/i386/winnt-stubs.c: Update FSF address.
17115 * config/xtensa/ieee754-df.S: Ditto.
17116 * config/xtensa/ieee754-sf.S: Ditto.
17118 2006-01-14 Ian Lance Taylor <ian@airs.com>
17120 * ifcvt.c (noce_init_if_info): New static function, broken out of
17121 noce_process_if_block.
17122 (noce_process_if_block): Call noce_init_if_info.
17123 (check_cond_move_block): New static function.
17124 (cond_move_process_if_block): New static function.
17125 (process_if_block): Call cond_move_process_if_block.
17127 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17129 * cselib.c (hash_table): Rename to cselib_hash_table.
17130 (cselib_clear_table, discard_useless_values,
17131 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17132 cselib_init, cselib_finish): Adjust uses of hash_table.
17134 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17136 PR tree-optimization/25485
17137 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17138 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17139 is known to be false and true, respectively.
17141 2006-01-14 Richard Guenther <rguenther@suse.de>
17143 PR tree-optimization/22548
17144 PR tree-optimization/22555
17145 PR tree-optimization/22501
17146 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17147 * params.def (salias-max-array-elements): New parameter.
17148 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17149 * doc/invoke.texi (salias-max-array-elements): Document.
17150 * tree-flow-inline.h (var_can_have_subvars): We also handle
17152 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17154 * tree-ssa-structalias.c (params.h): Include.
17155 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17156 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17157 (get_constraint_for): For ADDR_EXPR operating on something
17158 containing an ARRAY_REF, add all subvars to the solution.
17159 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17160 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17161 for creating MUST_DEFs.
17162 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17164 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17166 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17168 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17169 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17170 number_of_iterations_le): New functions.
17171 (number_of_iterations_special): Removed.
17172 (number_of_iterations_exit): Do not use number_of_iterations_special.
17173 * tree.c (unsigned_type_for): Always return integer type.
17175 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17176 Richard Guenther <rguenther@suse.de>
17178 PR rtl-optimization/24257
17179 * gcse.c (find_moveable_store): Only consider a store movable
17180 when the SET_SRC of the insn can be assigned to a register.
17182 2006-01-14 Ian Lance Taylor <ian@airs.com>
17184 * tree.c (tree_not_class_check_failed): New function.
17185 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17186 (tree_not_class_check_failed): Declare.
17188 2006-01-13 Ian Lance Taylor <ian@airs.com>
17190 * reload1.c (do_output_reload): Add assertion rejecting a
17193 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17195 * combine.c (struct reg_stat): Add new fields truncation_label and
17197 (record_value_for_reg): Reset truncated_to_mode.
17198 (record_truncated_value): New function.
17199 (check_promoted_subreg): Call it. Rename to check_conversions.
17200 (combine_instructions): Rename check_promoted_subreg to
17202 (reg_truncated_to_mode): New function.
17203 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17204 (gen_lowpart_or_truncate): New function.
17205 (force_to_mode): Use it instead of gen_lowpart.
17207 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17209 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17210 VAR is a tag, not its type tag.
17212 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17214 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17215 alternatives to match style of other entries.
17216 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17218 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17220 PR tree-optimization/25771
17221 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17224 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17227 * tree-inline.c (declare_return_variable): If the return variable
17228 was marked as a non gimple complex, set the return slot variable
17229 to be a non gimple comple variable.
17231 2006-01-13 Richard Guenther <rguenther@suse.de>
17233 * builtins.c (expand_builtin_sincos): New function.
17234 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17236 (expand_builtin): Expand sincos using expand_builtin_sincos.
17238 2006-01-12 DJ Delorie <dj@redhat.com>
17240 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17241 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17242 so that constant shifts can be split.
17243 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17244 (m32c_valid_pointer_mode): Make static.
17245 (shift_gen_func_for): New.
17246 (m32c_prepare_shift): Use it. Split large const shifts into
17248 * config/m32c/predicates.md (shiftcount_operand): Allow more
17250 (longshiftcount_operand): New.
17251 * doc/md.texi (Machine Constraints): Document In6.
17253 2006-01-13 Ben Elliston <bje@au.ibm.com>
17255 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17256 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17259 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17261 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17262 to try to avoid clobbering pieces of structures when we know
17263 something about the whole structure.
17264 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17266 2006-01-13 Ben Elliston <bje@au.ibm.com>
17268 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17269 return in memory, as this is no limitation is no longer present.
17271 2006-01-12 DJ Delorie <dj@redhat.com>
17273 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17274 mova with fb, and for fb+0 -> An.
17276 * config/m32c/mov.md (peephole2): Fix enabling logic.
17278 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17279 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17280 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17281 FINI_ARRAY_SECTION_ASM_OP): Define.
17283 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17285 (m32c_legitimize_reload_address): New logic to reload FB to An.
17286 (m32c_output_reg_push): Add newline.
17287 (m32c_output_reg_pop): Likewise.
17289 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17291 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17293 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17295 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17297 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17299 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17302 2006-01-11 Ben Elliston <bje@au.ibm.com>
17304 * rtlanal.c (find_reg_note): Assert insn is not null.
17306 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17308 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17311 2006-01-11 Jeff Law <law@redhat.com>
17313 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17315 (mark_threaded_blocks, register_jump_thread): New functions.
17316 (thread_through_all_blocks): Remove unwanted argument. No
17317 longer rely on e->aux to communicate thread target info.
17318 Call mark_threaded_blocks. Release the threaded_blocks
17319 bitmap and threaded_edges vector when complete.
17320 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17321 (threaded_blocks): Remove.
17322 (tree_ssa_dominator_optimize): Remove initialization and
17323 finalization of threaded_blocks. Simplify call to
17324 thread_through_all_blocks.
17325 (thread_across_edge): Call register_jump_thread rather than
17326 storing thread information into e->aux.
17327 (free_all_edge_infos): Simplify now that e->aux is no longer
17328 used to communicate with thread_through_all_blocks.
17329 * tree-flow.h (thread_through_all_blocks): Update prototype.
17330 (register_jump_thread): Prototype.
17332 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17334 * df-core.c (df_compact_blocks, df_bb_replace): Use
17335 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17337 2006-01-11 Richard Guenther <rguenther@suse.de>
17339 PR tree-optimization/25734
17340 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17341 stop propagation after successful propagation to the LHS.
17343 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17345 * basic-block.h (control_flow_graph): Change the type of
17346 x_basic_block_info to VEC(basic_block,gc) *.
17347 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17349 (SET_BASIC_BLOCK): New.
17350 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17351 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17352 * cfgbuild.c (find_basic_blocks): Likewise.
17353 * cfglayout.c (fixup_reorder_chain): Likewise.
17354 * cfgrtl.c (create_basic_block_structure,
17355 rtl_create_basic_block): Likewise.
17356 * ifcvt.c (find_if_case_1): Likewise.
17357 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17360 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17362 * Makefile.in: Removed rotted odf.c entry.
17364 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17367 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17368 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17369 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17370 output pattern modifier, not %e.
17371 * config/cris/cris.c (cris_op_str): Update comment about pattern
17373 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17374 before falling through into...
17375 <case 'E'>: Redefined from old 'e' case.
17377 2006-01-11 Jan Hubicka <jh@suse.cz>
17380 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17382 2006-01-11 Jan Hubicka <jh@suse.cz>
17384 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17385 * i386.c (x86_decompose_lea): Kill.
17386 (ix86_rtx_costs): Kill.
17388 2006-01-11 Jan Hubicka <jh@suse.cz>
17390 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17391 * cgraph.h (cgraph_node): Add inline_decl.
17392 (cgraph_insert_node_to_hashtable): Declare.
17393 (save_inline_function_body): Declare.
17394 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17396 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17397 (cgraph_function_versioning): Update call of tree_function_versioning.
17398 (save_inline_function_body): New function.
17399 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17400 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17401 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17402 (cgraph_default_inline_p): Likewise.
17403 (cgraph_decide_inlining_incrementally): Likewise.
17404 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17405 (copy_bb): Kill saving; do updating of clones.
17406 (copy_cfg_body): Kill saving.
17407 (initialize_inlined-parameters): Likewise.
17408 (expand_call_inline): Likewise.
17410 (tree_function_versioning): New parameter "update_clones".
17411 (inlining_p): Kill saving.
17412 * tree-inline.h (tree_function_versioning): Update prototype.
17413 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17416 2006-01-11 Ian Lance Taylor <ian@airs.com>
17418 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17419 Allow undoing set of machine mode.
17420 (do_SUBST): Use enums instead of is_int.
17421 (do_SUBST_MODE): New function.
17422 (SUBST_MODE): New macro.
17423 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17424 reg and trying to replace reg_regno_rtx with a new register.
17425 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17426 (simplify_set): Use SUBST_MODE.
17427 (distribute_notes): Remove code that tried to update reg notes
17428 for regno_reg_rtx changes.
17430 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17432 PR tree-optimization/23109
17433 PR tree-optimization/23948
17434 PR tree-optimization/24123
17436 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17437 * tree-cfg.c (single_noncomplex_succ): New.
17438 * tree-flow.h (single_noncomplex_succ): Declare it.
17439 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17440 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17441 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17442 insert_bb, register_division_in, insert_reciprocals,
17443 replace_reciprocal, free_bb): New.
17444 (execute_cse_reciprocals_1): Rewritten.
17445 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17446 Do not commit any edge insertion. Always compute dominators and
17447 create the allocation pool.
17448 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17449 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17450 * targhooks.c (default_min_divistions_for_recip_mul): New.
17451 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17452 * passes.c (init_optimization_passes): Run recip after tree loop
17454 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17456 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17457 Kenneth Zadeck <zadeck@naturalbridge.com>
17459 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17460 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17461 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17462 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17463 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17464 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17465 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17466 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17467 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17468 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17469 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17470 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17471 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17472 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17473 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17474 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17475 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17476 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17477 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17478 DF_SCAN_POST_ALLOC): New macros.
17479 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17480 df_free_bb_function, df_local_compute_function, df_init_function,
17481 df_dataflow_function, df_confluence_function_0,
17482 df_confluence_function_n, df_transfer_function,
17483 df_finalizer_function, df_free_function, df_dump_problem_function,
17484 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17485 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17486 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17487 df_urec_bb_info, ) New types.
17488 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17490 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17491 df_analyze_simple_change_some_blocks,
17492 df_analyze_simple_change_one_block, df_compact_blocks,
17493 df_bb_replace, df_bb_regno_last_use_find,
17494 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17495 df_insn_regno_def_p, df_find_def, df_find_use,
17496 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17497 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17498 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17499 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17500 debug_df_chain, df_get_dependent_problem, df_chain_create,
17501 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17502 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17503 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17504 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17505 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17506 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17507 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17508 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17509 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17510 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17511 df_reorganize_refs, df_set_state, df_hard_reg_init,
17512 df_read_modify_subreg_p) New public functions.
17513 * df-core.c: The core dataflow solver and glue routines for rtl
17515 (df_init, df_add_problem, df_set_blocks, df_finish,
17516 df_hybrid_search_forward, df_hybrid_search_backward,
17517 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17518 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17519 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17520 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17521 df_reg_defined, df_find_use, df_reg_used, df_dump,
17522 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17523 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17524 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17525 debug_df_useno, reset_df_after_reload): New functions.
17526 * df-scan.c: The scanning fuctions, once in df.c, completely
17527 rewritten so that they now fully model the functionality of
17528 register usage at the backend.
17529 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17530 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17531 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17532 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17533 df_get_artificial_defs, df_get_artificial_uses,
17534 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17535 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17536 df_refs_delete, df_reorganize_refs, df_set_state,
17537 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17538 df_def_record_1, df_defs_record, df_uses_record,
17539 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17540 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17541 df_record_exit_block_uses, df_hard_reg_init): New functions.
17543 * df-problems.c: Seven concrete dataflow problems that use the
17544 scanning in df-scan.c and are solved by the engine in df-core.c.
17545 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17546 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17547 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17548 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17549 df_ru_free_bb_info, df_ru_alloc,
17550 df_ru_bb_local_compute_process_def,
17551 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17552 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17553 df_ru_transfer_function, df_ru_free, df_ru_dump,
17554 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17555 df_rd_free_bb_info, df_rd_alloc,
17556 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17557 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17558 df_rd_transfer_function, df_rd_free, df_rd_dump,
17559 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17560 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17561 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17562 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17563 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17564 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17565 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17566 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17567 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17568 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17569 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17570 df_urec_mark_reg_use_for_earlyclobber,
17571 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17572 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17573 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17574 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17575 df_chain_create_bb_process_use, df_chain_create_bb,
17576 df_chain_finalize, df_chain_free, df_chains_dump,
17577 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17578 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17579 df_reg_lifetime): New functions.
17580 * df.c: Deleted file.
17581 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17582 consistent with new df api.
17583 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17584 rest_of_handle_sms): Ditto.
17585 * web.c (unionfind_union, union_defs, entry_register, web_main):
17587 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17588 invariant_expr_equal_p, find_defs, check_dependencies,
17589 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17590 free_inv_motion_data, move_loop_invariants): Ditto.
17591 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17592 Update dependencies.
17593 (odf.c): Added defective entry that was deleted later in day.
17594 * sched-deps.c (sched_analyze_1): Ditto.
17596 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17598 * tree-ssa-operands.c (get_expr_operands): Record addressable
17599 variables directly. Do not call add_stmt_operands for CONST_DECLs
17601 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17602 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17604 2006-01-11 Ben Elliston <bje@au.ibm.com>
17606 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17607 function returns true in the positive case.
17609 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17612 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17613 for SI, DI, SF and DF modes. Add alternatives to copy between
17614 general and floating point registers to the 32-bit patterns.
17615 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17616 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17617 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17618 generating 64-bit code.
17619 * config/pa/pa.c (output_move_double): Handle copies between general
17620 and floating registers.
17622 2006-01-10 Stuart Hastings <stuart@apple.com>
17624 * config/i386/i386.md (set_got): Update.
17625 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17626 (builtin_setjmp_receiver): Mach-O support.
17627 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17628 (GOT_SYMBOL_NAME): Define.
17629 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17630 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17631 * config/i386/i386.c (override_options): Revise for Darwin.
17632 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17633 support. (darwin_x86_file_end): New. (output_set_got): Add label
17634 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17635 * config/i386/i386-protos.h (output_set_got): Likewise.
17636 * config/darwin.c (machopic_legitimize_pic_address): Update
17639 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17641 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17642 when MODE isn't BLKmode.
17644 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17646 PR rtl-optimization/25367
17647 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17649 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17652 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17653 for a negative bound.
17655 2006-01-10 Richard Guenther <rguenther@suse.de>
17657 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17658 Never override with anything constraint.
17660 2006-01-10 Jan Beulich <jbeulich@novell.com>
17662 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17663 256 bits when optimize_size.
17665 2006-01-10 Jan Beulich <jbeulich@novell.com>
17667 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17669 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17670 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17673 2006-01-10 Ben Elliston <bje@au.ibm.com>
17675 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17677 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17678 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17679 (USE_FP_FOR_ARG): Reject decimal float modes.
17680 (function_arg_advance): Likewise.
17681 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17682 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17683 point types in AltiVec vectors.
17684 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17685 (rs6000_libcall_value): Likewise.
17687 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17689 * config/xtensa/ieee754-df.S: New file.
17690 * config/xtensa/ieee754-sf.S: New file.
17691 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17692 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17693 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17695 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17697 * config/sh/predicates.md (binary_float_operator,
17698 binary_logical_operator, commutative_float_operator,
17699 equality_comparison_operator, greater_comparison_operator,
17700 less_comparison_operator, logical_operator,
17701 noncommutative_float_operator, shift_operator,
17702 symbol_ref_operand, unary_float_operator): Remove redundant
17705 2006-01-09 Jeff Law <law@redhat.com>
17707 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17708 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17709 now unused arguments. Callers updated.
17710 (eliminate_redundant_computations): Remove now unused arguments,
17712 (local_fold): Remove, no longer used.
17713 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17715 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17716 (simplify_cond): New function.
17717 (forward_propagate_into_cond): Call simplify_cond.
17719 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17721 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17722 (*vec_extractv2di_1_sse): New.
17724 2006-01-09 Ben Elliston <bje@au.ibm.com>
17726 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17728 2006-01-08 Richard Guenther <rguenther@suse.de>
17730 * tree-ssa-structalias.c (get_constraint_for): Remove
17731 anyoffset argument.
17732 (get_constraint_for_component_ref): Likewise.
17733 (do_deref): Likewise.
17734 (get_constraint_for): Likewise.
17735 (do_structure_copy): Likewise.
17736 (handle_ptr_arith): Likewise.
17737 (find_func_aliases): Likewise. Remove unused need_anyoffset
17740 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17741 Kaz Kojima <kkojima@gcc.gnu.org>
17743 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17744 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17745 (EXTRA_CONSTRAINT_C16): Remove.
17746 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17747 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17748 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17749 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17750 constants of SHmedia. Handle nested constant expressions of
17752 (andcosts): Fix the costs for SHmedia constants.
17753 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17754 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17755 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17756 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17757 (movv4hi_i, movv2si_i): Likewise.
17758 (movsi_const): Adjust the second operand of ior so to match with
17759 the Csu constraint.
17760 (movdi_const, movdi_const_32bit): Likewise.
17761 (movdi_const_16bit+1): Don't sign-extend LOW.
17762 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17764 (*double_shori): Fix the split condition. Use GEN_INT instead
17765 of get_int_mode calls. Mask lower 16-bit of the argument of
17767 (sym2GOTPLT): Remove.
17768 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17770 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17771 instead of EXTRA_CONSTRAINT_C16.
17773 2006-01-07 Ian Lance Taylor <ian@airs.com>
17774 David Edelsohn <edelsohn@gnu.org>
17776 PR rtl-optimization/25662
17777 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17778 for constant operands instead of simplify_gen_binary.
17779 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17780 after trying simplify_binary_operation
17782 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17784 * tree.c (iterative_hash_expr): Hash decls based on UID.
17786 2006-01-06 Eric Christopher <echristo@apple.com>
17788 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17789 (TARGET_UNWIND_EMIT): Fix spelling.
17790 * target.h (gcc_target): Add except_table_label.
17791 * except.c (output_function_exception_table): Use.
17792 * varasm.c (default_emit_except_table_label): New.
17793 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17795 (asm_out): Add here.
17796 * output.h (default_emit_except_table_label): Prototype.
17797 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17798 * config/darwin.c (darwin_emit_except_table_label): Define.
17799 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17801 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17803 PR tree-optimization/18527
17804 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17805 number_of_iterations_special, number_of_iterations_exit):
17806 Move base and step of an iv to a single structure. Add
17807 no_overflow flag, and use it in # of iterations analysis.
17808 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17809 folded_casts argument.
17810 (simple_iv): Pass base and step in a structure. Set no_overflow
17812 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17813 Evaluate expensiveness of computing # of iterations instead of
17814 the final expression.
17815 * tree-scalar-evolution.h (affine_iv): New structure.
17816 (simple_iv): Declaration changed.
17817 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17818 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17819 find_givs_in_stmt): Changed due to simple_iv change.
17821 2006-01-06 Jeff Law <law@redhat.com>
17824 * tree-cfg.c (bsi_replace): Rename final argument from
17825 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17826 change (stmt -> orig_stmt).
17827 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17828 (bsi_remove): Add new argument. Remove EH information
17830 (verify_eh_throw_table_statements): New function.
17831 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17833 * tree-optimize.c (execute_free_cfg_annotations): Verify
17834 the EH throw statement table after removing annotations.
17835 * except.h (verify_eh_throw_table_statements): Prototype.
17836 * tree-flow.h (bsi_remove): Update prototype.
17837 * tree-vrp.c (remove_range_assertions): Add new argument to
17839 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17840 * tree-complex.c (expand_complex_div_wide): Likewise.
17841 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17842 * tree-tailcall.c (eliminate_tailcall): Likewise.
17843 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17844 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17845 * tree-nrv.c (tree_nrv): Likewise.
17846 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17847 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17848 (combine_blocks): Likewise.
17849 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17850 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17851 (cleanup_control_flow): Likewise.
17852 (remove_forwarder_block): Likewise.
17853 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17854 * tree-sra.c (sra_replace): Likewise.
17855 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17856 (forward_propagate_single_use_vars): Likewise.
17857 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17858 * tree-inline.c (expand_call_inline): Likewise.
17859 * tree-vect-transform.c (vect_transform_loop): Likewise.
17860 * tree-outof-ssa.c (rewrite_trees): Likewise.
17861 * tree-cfg.c (make_goto_expr_edges): Likewise.
17862 (cleanup_dead_labels): Likewise.
17863 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17864 (bsi_move_before, bsi_move_after): Likewise.
17865 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17866 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17868 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17871 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17873 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17874 on non gimple variables. Also add checks at the top for decls and
17876 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17878 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17879 and IMAGPART_EXPR for creating MUST_DEFs.
17880 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17881 and NAME_MEMORY_TAG separately from the DECLs.
17883 2006-01-06 Richard Guenther <rguenther@suse.de>
17885 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17886 annotation, if necessary.
17887 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17888 redundant calls to update_stmt.
17889 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17892 2006-01-05 Richard Henderson <rth@redhat.com>
17894 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17896 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17898 * c-typeck.c: Update copyright date.
17900 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17902 * c-typeck.c (build_c_cast): Always warn when casting
17903 from a pointer to an integer of different size, even if
17904 the node was constant.
17906 2006-01-05 Richard Guenther <rguenther@suse.de>
17908 PR tree-optimization/22555
17909 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17910 if one structure field is an array.
17911 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17912 operands even if we found a subvar, but ignore VOPs in this
17914 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17916 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17918 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17920 PR middle-end/24998
17921 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17923 2006-01-05 Richard Guenther <rguenther@suse.de>
17924 Diego Novillo <dnovillo@redhat.com>
17926 * tree-pass.h (TODO_remove_unused_locals): Define.
17927 * gimple-low.c (expand_var_p, remove_useless_vars,
17928 pass_remove_useless_vars): Remove. Update all users.
17929 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17930 (remove_unused_locals): New function.
17931 * tree-flow.h (remove_unused_locals): Declare.
17932 * passes.c (execute_todo): Call remove_unused_locals if
17933 TODO_remove_unused_locals is set.
17934 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17935 * tree-ssa-dce.c (pass_dce): Likewise.
17936 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17938 2006-01-05 Richard Guenther <rguenther@suse.de>
17940 * tree-flow.h (struct fieldoff): Decompose field to
17941 type, size and decl.
17942 * tree-ssa-alias.c (create_sft): Take type as parameter.
17943 (create_overlap_variables_for): Store type, size and decl
17944 in the fieldoff structure.
17945 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17946 of struct fieldoff.
17947 (push_fields_onto_fieldstack): Likewise.
17948 (create_variable_info_for): Likewise. Use offset for the
17949 SFT name if the decl is not available.
17951 2006-01-04 Paul Brook <paul@codesourcery.com>
17953 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17955 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17957 * lambda-code.c (can_put_in_inner_loop): Relax
17959 (can_put_after_inner_loop): New function.
17960 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17961 (perfect_nestify): Change to make copies and modify uses.
17963 2006-01-04 Richard Henderson <rth@redhat.com>
17965 Merge from gomp branch:
17966 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17967 via integer constant.
17968 (pragma_lex): Remove.
17969 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17970 rather than parsing it.
17971 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17972 handle_pragma_extern_prefix): Add %< %> quotes.
17973 (registered_pragmas): New.
17974 (c_register_pragma_1): New.
17975 (c_register_pragma): Use it.
17976 (c_register_pragma_with_expansion): Likewise.
17977 (c_invoke_pragma_handler): New.
17978 (init_pragma): Use cpp_register_deferred_pragma directly for
17980 * c-pragma.h (enum pragma_kind): New.
17981 (pragma_handler): New.
17982 (c_invoke_pragma_handler): Declare.
17983 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17985 * c-common.h (c_common_pch_pragma): Update decl.
17986 * Makefile.in (c-parser.o): Update dependencies.
17987 (GTFILES): Add c-pragma.h.
17988 * c-parser.c (struct c_token): Add pragma_kind.
17989 (struct c_parser): Add in_pragma.
17990 (c_lex_one_token): Always initialize keyword and pragma_kind.
17991 Extract data for CPP_PRAGMA.
17992 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17993 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17994 Don't allow CPP_PRAGMA_EOL if in_pragma.
17995 (c_parser_consume_pragma): New.
17996 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17997 (c_parser_skip_to_end_of_parameter): Likewise.
17998 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17999 (c_parser_skip_to_pragma_eol): New.
18000 (c_parser_external_declaration): Handle CPP_PRAGMA.
18001 (c_parser_compound_statement_nostart): Likewise.
18002 (c_parser_statement_after_labels): Likewise.
18003 (c_parser_pragma): New.
18004 (pragma_lex): Likewise.
18005 (c_parser_pragma_pch_preprocess): New.
18006 (c_parser_new): Merge into ...
18007 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18009 2006-01-04 Jeff Law <law@redhat.com>
18012 * tree-cfg.c (bsi_replace): Remove the original statement
18013 from the EH throw statement table.
18015 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18017 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18018 make the prototype extern "C" and add throw ().
18021 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18022 and pos non-negative and pos + len <= 32.
18023 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18024 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18025 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18028 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18029 as well as sizes not multiple of component size.
18032 * function.c (instantiate_expr): New function.
18033 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18034 walk its DECL_VALUE_EXPR with instantiate_expr.
18036 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18037 DW_OP_deref{,_size} if address isn't going to be added.
18039 2006-01-04 Ben Elliston <bje@au.ibm.com>
18041 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18042 * config/fp-bit.c: Likewise.
18044 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18046 * dominance.c: Add comment about why we use DFS numbering
18049 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18050 Richard Henderson <rth@redhat.com>
18052 Merge from gomp-branch:
18053 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18054 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18056 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18058 PR rtl-optimization/25578
18059 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18060 pass a parameter to simplify_shift_const if changing ASHIFTRT
18063 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18065 * builtins.c (get_builtin_sync_mem): New function.
18066 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18067 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18068 Call get_builtin_sync_mem to generate mem rtx.
18070 2006-01-03 Richard Guenther <rguenther@suse.de>
18073 * stmt.c (add_case_node): Make sure to clear overflow flags
18076 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18078 Merge from gomp-branch.
18079 * config/sparc/sync.md: New file.
18080 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18081 UNSPECV_LDSTUB): New constants.
18082 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18083 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18084 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18087 2006-01-03 Roger Sayle <roger@eyesopen.com>
18089 * combine.c (reg_subword_p): New predicate to test whether the
18090 destination of a set refers to a subword/piece of a register.
18091 (try_combine): Generalize the code to merge the setting of a
18092 pseudo to a constant followed by a set of a subword of that
18093 register to a constant.
18095 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18097 * basic-block.h (control_flow_graph): Change the type of
18098 x_label_to_block_map to VEC(basic_block,gc) *.
18099 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18100 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18102 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18103 VEC(basic_block,heap) *.
18104 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18105 ssa_prop_fini): Adjust the uses of cfg_blocks.
18107 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18109 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18111 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18112 hashing trees instead of a pointer hash.
18113 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18114 compare for MEM_EXPR.
18116 PR rtl-optimization/25130
18117 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18118 when comparing MEMs for GCSE
18120 2006-01-03 Ben Elliston <bje@au.ibm.com>
18122 * targhooks.h (default_decimal_float_supported_p): Declare.
18123 * targhooks.c (default_decimal_float_supported_p): Define.
18124 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18125 `default_decimal_float_supported_p'.
18126 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18128 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18130 * combine.c (apply_distributive_law <SUBREG>): Check
18131 TRULY_NOOP_TRUNCATION.
18133 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18135 * dwarf2out.c (have_switched_text_section): Delete.
18136 (have_multiple_function_sections): New.
18137 (have_location_lists): Make 'bool'.
18138 (add_AT_loc_list): Use 'true' not '1'.
18139 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18140 (output_loc_list): Use have_multiple_function_sections.
18141 (output_ranges): Likewise.
18142 (dwarf2out_begin_function): Set have_multiple_function_sections if
18144 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18145 Check function_section rather than DECL_SECTION_NAME.
18146 (dwarf2out_finish): Use have_multiple_function_sections.
18147 Don't clear have_location_lists.
18149 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18150 Jan Hubicka <jh@suse.cz>
18152 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18153 case of conditional jump jumping to the next instruction.
18154 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18155 cases of conditional jump jumping to the next instruction.
18157 2006-01-02 Jan Hubicka <jh@suse.cz>
18159 * i386.c (*_cost): Add COSTS_N_INSNS.
18160 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18162 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18165 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18167 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18169 * config/arm/arm.c (all_fpus): Fix comment typo.
18170 * config/darwin.c: Likewise.
18171 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18172 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18173 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18175 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18177 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18178 (rs6000_split_compare_and_swapqhi): New.
18179 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18180 (sync_compare_and_swapqhi_internal): New.
18181 * config/rs6000/rs6000-protos.h: Declare.