1 2006-11-12 Andreas Schwab <schwab@suse.de>
3 * except.c (sjlj_emit_function_enter): Remove unused variable.
5 2006-11-11 Roger Sayle <roger@eyesopen.com>
7 * fold-const.c (int_binop_types_match_p): New function.
8 (size_binop): Relax constraint that both arguments must both have
9 exactly the same sizetype type. Instead use int_binop_types_match_p.
10 (size_diffop): Likewise.
12 (make_range): Use build_int_cst instead of fold_convert.
13 (fold_cond_expr_with_comparison): Use build_int_cst to construct
14 integer constants of the correct type.
15 (fold_div_compare): Likewise.
16 (fold_single_bit_test): Likewise.
17 (fold_binary): Likewise.
18 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
19 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
21 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
24 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
25 non null value if the struct memory access is in the 0th
28 2006-11-12 Jie Zhang <jie.zhang@analog.com>
31 2006-11-11 Jie Zhang <jie.zhang@analog.com>
32 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
35 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
36 instead of builtin_define for bfin and BFIN.
38 2006-11-11 Jie Zhang <jie.zhang@analog.com>
40 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
43 2006-11-11 Jan Hubicka <jh@suse.cz>
45 * extended.texi (__builtin_expect): We no longer require second argument
47 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
48 * builtins.c (expand_builtin_expect): Simplify.
49 (expand_builtin_expect_jump): Kill.
50 * final.c (final_scan_insn): Do not skip the removed notes.
51 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
52 EXPECTED_VALUE): Remove.
53 * dojump.c (do_jump): Do not care about __builtin_expect.
54 * predict.c (expected_value_to_br_prob): Kill.
55 * function.c (expand_function_end): Do not expand
56 NOTE_INSN_REPEATED_LINE_NUMBER.
57 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
58 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
59 * cfgexpand.c (add_reg_br_prob_note): Export.
60 * cfgcleanup.c (rest_of_handle_jump2): Do not call
61 expected_value_to_br_prob.
62 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
63 * rtl.h (add_reg_br_prob_note): Declare.
65 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
67 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
69 2006-11-11 Jan Hubicka <jh@suse.cz>
71 * predict.c (predict_loops): Kill RTL variant.
73 2006-11-11 Jan Hubicka <jh@suse.cz>
75 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
76 * modulo-sched.c (find_line_note): Remove.
77 (loop_canon_p): Do not worry about line number notes.
78 (sms_schedule): Likewise.
79 * cse.c (cse_main): Likewise.
80 * regmove.c (fixup_match_1): Likewise
81 * function.c (emit_return_info_block): Likewise.
82 (expand_function_end): Likewise.
83 (thread_prologue_an_epilogue_insns): Likewise.
84 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
86 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
87 emit_note_copy_after): Kill.
88 (emit_note_copy): Do not worry about line numbers.
89 * jump.c (purge_line_number_notes): Kill.
90 (pass_purge_lineno_notes): Kill.
91 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
93 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
94 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
95 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
96 * tree-pass.h (pass_purge_lineno_notes): Kill.
97 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
98 rm_redundant_line_notes.
99 * sched-rgb.c (schedule_region): Don't rm_line_notes,
100 rm_redundant_line_notes.
101 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
102 * haifa-sched.c: Update comment about handling notes.
103 (unlink_line_notes): Kill.
104 (rm_line_notes): Kill.
105 (save_line_notes): Simplify.
106 (rm_redundant_line_notes): Kill.
108 2006-11-11 Richard Guenther <rguenther@suse.de>
110 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
111 Remove unused tree codes.
112 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
113 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
114 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
115 * tree.c (stabilize_reference): Likewise.
116 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
117 fold_unary): Likewise.
118 * tree-gimple.c (is_gimple_cast): Likewise.
119 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
120 * expr.c (expand_expr_real_1): Likewise.
121 * tree-eh.c (tree_could_trap_p): Likewise.
122 * gimplify.c (gimplify_expr): Likewise.
123 * tree-inline.c (estimate_num_insns_1): Likewise.
124 * tree-cfg.c (verify_expr): Likewise.
126 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
128 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
129 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
130 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
132 2006-11-11 Richard Sandiford <richard@codesourcery.com>
135 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
136 constraints accept neither registers or memories.
138 2006-11-11 Jie Zhang <jie.zhang@analog.com>
140 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
141 (NO_PROFILE_COUNTERS): Define as 1.
143 2006-11-10 Roger Sayle <roger@eyesopen.com>
145 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
146 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
148 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
150 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
152 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
154 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
155 (fold_builtin_hypot): Likewise.
156 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
158 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
160 2006-11-10 Roger Sayle <roger@eyesopen.com>
162 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
163 when attempting to build INTEGER_CSTs of non-integral types.
164 * expmed.c (make_tree): Use the correct type, i.e. the inner
165 type, when constructing the individual elements of a CONST_VECTOR.
167 2006-11-10 Jan Hubicka <jh@suse.cz>
169 * cse.c (cse_process_notes): Copy the propagated value.
170 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
172 * gcse.c (try_replace_reg): Copy the replacement.
173 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
174 (assign_386_stack_local): Always return copied memory expression
175 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
178 2006-11-10 Jan Hubicka <jh@suse.cz>
180 * final.c (final): Walk from first instruction.
181 * cfglayout.c (insn_locators_initialize): Remove line number notes.
183 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
186 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
188 (umulv8hi3_highpart): Ditto.
189 (vec_widen_smult_hi_v8hi): New expander.
190 (vec_widen_smult_lo_v8hi): Ditto.
192 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
194 * builtins.c (do_mpfr_arg3): New.
195 (fold_builtin_1): Handle builtins fma, fmin and fmax.
197 2006-11-09 Eric Christopher <echristo@apple.com>
202 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
203 * config.gcc (powerpc64-*-darwin*): New target.
204 * config.host: Ditto.
205 * config/rs6000/darwin64.h: New file.
206 * config/rs6000/x-darwin64: Ditto.
207 * config/rs6000/host-ppc64-darwin.c: Ditto.
209 2006-11-09 Steve Ellcey <sje@cup.hp.com>
211 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
212 routines for integer division.
214 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
216 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
218 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
221 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
223 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
225 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
226 simplify_subreg with BLKmode outer mode.
228 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
230 * doc/invoke.texi: Minor formatting fixes in option lists.
232 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
234 PR tree-optimization/29738
235 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
236 (ccp_lattice_t): Remove UNKNOWN_VAL.
237 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
238 Do not handle UNKNOWN_VAL.
239 (get_default_value): Set initial value of virtual operands to
241 (get_value): Always use get_default_value on uninitialized
243 (set_value_varying, surely_varying_stmt_p): New functions.
244 (set_lattice_value): Do not pass argument to get_value.
245 Do not handle UNKNOWN_VAL.
246 (likely_value): Follow the semantics described in the comment.
247 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
248 phi nodes DONT_SIMULATE_AGAIN.
249 (ccp_fold): Do not pass argument to get_value.
250 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
253 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
255 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
256 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
258 2006-11-08 Roger Sayle <roger@eyesopen.com>
260 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
261 test for inclusion rather than as a test for exclusion.
262 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
263 the condition after calling fold_binary.
264 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
265 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
266 * builtins.c (fold_builtin_isascii): Likewise.
267 (fold_builtin_isdigit): Likewise.
269 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
271 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
272 * configure: Regenerate.
274 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
276 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
277 enum argument instead of bool.
278 (vect_analyze_operations): Call vectorizable_type_promotion.
279 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
280 stmt_vec_info_type value.
281 (supportable_widening_operation, vectorizable_type_promotion): New
282 function declarations.
283 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
284 (vectorizable_type_promotion): New function.
285 (vect_transform_stmt): Call vectorizable_type_promotion.
286 * tree-vect-analyze.c (supportable_widening_operation): New function.
287 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
289 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
292 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
293 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
294 * tree-inline.c (estimate_num_insns_1): Add cases for above new
296 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
297 * expr.c (expand_expr_real_1): Likewise.
298 * optabs.c (optab_for_tree_code): Likewise.
299 (init_optabs): Initialize new optabs.
300 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
301 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
302 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
303 vec_unpacku_lo_optab): Initialize new optabs.
304 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
305 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
306 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
308 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
309 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
310 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
311 (vec_unpacku_lo_optab): New optabs.
312 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
313 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
314 (vec_widen_smult_hi, vec_widen_smult_lo): New.
315 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
316 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
317 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
319 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
320 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
321 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
322 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
323 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
324 implement the unsigned unpacking patterns.
325 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
326 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
327 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
328 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
329 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
330 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
331 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
332 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
333 multiplication patterns.
335 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
336 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
337 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
338 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
339 (rs6000_builtin_mul_widen_odd): New.
340 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
341 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
342 * tree-vectorizer.h (enum vect_relevant): New enum type.
343 (_stmt_vec_info): Field relevant chaned from bool to enum
345 (STMT_VINFO_RELEVANT_P): Updated.
346 (STMT_VINFO_RELEVANT): New.
347 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
348 instead of STMT_VINFO_RELEVANT_P.
349 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
350 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
351 and boolean variable with enum vect_relevant.
352 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
353 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
354 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
356 2006-11-08 Richard Henderson <rth@redhat.com>
358 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
359 vec_widen_umult_lo_v8hi): New.
360 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
361 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
363 * config/i386/i386.c (ix86_expand_sse_unpack): New.
364 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
365 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
366 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
367 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
368 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
369 vec_unpacks_lo_v4si): New.
371 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
373 * tree-vect-transform.c (vectorizable_type_demotion): New function.
374 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
375 (vect_analyze_operations): Call vectorizable_type_demotion.
376 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
377 stmt_vec_info_type value.
378 (vectorizable_type_demotion): New function declaration.
379 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
382 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
383 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
385 * tree-iniline.c (estimate_num_insns_1): Likewise.
386 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
387 * optabs.c (optab_for_tree_code): Likewise.
389 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
390 compared against the predicate of the result is not 'mode' (the input
391 to the function) but a mode with half the size of 'mode'.
392 (init_optab): Initialize new optabs.
393 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
395 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
397 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
398 (vec_pack_usat_optab): Initialize new optabs.
399 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
400 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
402 2006-11-08 Richard Henderson <rth@redehat.com>
404 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
405 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
406 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
407 (vec_interleave_highv4si, vec_interleave_lowv4si):
408 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
410 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
412 * tree-vect-transform.c (vectorizable_reduction): Support multiple
414 (vect_transform_stmt): Removed redundant code.
416 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
418 * tree-vect-transform.c (vectorizable_operation): Support multiple
421 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
423 * tree-vect-transform.c (vect_align_data_ref): Removed.
424 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
425 Updated function documentation. Return the increment stmt in ptr_incr.
426 (bump_vector_ptr): New function.
427 (vect_get_vec_def_for_stmt_copy): New function.
428 (vect_finish_stmt_generation): Create a stmt_info to newly created
430 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
432 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
433 VF is greater than the number of elements that can fit in one vector
435 (vectorizable_operation, vectorizable_condition): Likewise.
436 (vectorizable_store, vectorizable_load): Support the case that the VF
437 is greater than the number of elements that can fit in one vector word.
438 (vect_transform_loop): Don't fail in case of multiple data-types.
439 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
440 in case of multiple data-types; the smallest type determines the VF.
441 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
442 if they are of different sizes.
443 (vect_update_misalignment_for_peel): Compare misalignments in terms of
444 number of elements rather than number of bytes.
445 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
446 (vect_can_advance_ivs_p): Fix a dump printout
448 2006-11-07 Eric Christopher <echristo@apple.com>
450 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
452 * libgcc2.h: Remove transformation of bswap routines.
453 * config/i386/i386.md (bswapsi2): New.
456 2006-11-07 Jakub Jelinek <jakub@redhat.com>
458 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
459 (handle_gnu_inline_attribute): New function.
460 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
461 (merge_decls, start_decl, start_function): Likewise.
462 * doc/extend.texi: Document gnu_inline attribute.
464 2006-11-07 Steve Ellcey <sje@cup.hp.com>
467 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
468 _fixunstfdi, and _floatditf
470 2006-11-06 Anatoly Sokolov <aesok@post.ru>
472 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
474 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
475 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
476 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
477 which start in an odd register.
479 2006-11-07 Richard Sandiford <richard@codesourcery.com>
481 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
483 2006-11-07 Josh Conner <jconner@apple.com>
485 * doc/invoke.texi (fstrict-aliasing): Move implementation
487 * doc/tree-ssa.texi (Alias analysis): ...here.
489 2006-11-07 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/29610
492 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
493 of tree_purge_dead_eh_edges as it may free dominators.
495 * g++.dg/other/pr29610.C: New testcase.
497 2006-11-07 David Ung <davidu@mips.com>
499 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
500 costs when optimizing for size.
501 (override_options): Use mips_rtx_cost_optimize_size table for cost
504 2006-11-07 Jie Zhang <jie.zhang@analog.com>
506 * gcc.c (process_command): Treat -b as normal switch if its argument
509 2006-11-07 David Ung <davidu@mips.com>
511 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
514 2006-11-06 Eric Christopher <echristo@apple.com>
516 * config.gcc: Add x86_64-darwin host support.
517 * config.host: Ditto.
518 * config/i386/darwin64.h: New file.
519 * config/i386/t-darwin64: Ditto.
521 2006-11-06 Janis Johnson <janis187@us.ibm.com>
523 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
524 and output-exists-not.
526 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
529 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
530 checking for overflow.
532 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
534 * configure.ac: Fixed typo in case statement: :: changed to ;;
536 2006-11-06 Bob Wilson <bob.wilson@acm.org>
538 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
539 count_leading_zeros, and count_trailing_zeros.
540 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
541 (TARGET_FOLD_BUILTIN): Define.
542 (TARGET_EXPAND_BUILTIN): Define.
543 (xtensa_init_builtins): New.
544 (xtensa_fold_builtin): New.
545 (xtensa_expand_builtin): New.
546 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
547 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
548 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
549 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
550 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
551 (any_extend): New code macro.
552 (u, su): New code attributes.
553 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
554 (nsau): Remove; replaced by clzsi2.
555 (ffssi2): Use clzsi2.
556 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
557 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
558 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
559 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
560 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
562 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
564 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
566 * config/arm/t-strongarm-elf: Likewise.
567 * config/arm/t-pe: Likewise.
568 * config/arm/t-arm-elf: Likewise.
569 * config/arm/t-xscale-elf: Likewise.
570 * config/arm/t-arm-coff: Likewise.
571 * config/arm/t-xscale-coff: Likewise.
572 * config/arm/t-wince-pe: Likewise.
574 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
576 * config/sh/lib1funcs-4-300.asm: Guard entire file with
579 2006-11-05 Jakub Jelinek <jakub@redhat.com>
582 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
585 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
588 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
589 as a valid 80387 constant.
590 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
591 * config/i386/i386.md (unnamed splitter): Split the load of
592 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
595 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
597 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
598 from the soft-frame, argument and virtual registers.
600 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
602 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
603 patterns for standard 80387 constants.
605 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
606 Steven Bosscher <steven@gcc.gnu.org>
608 * fwprop.c: New file.
609 * Makefile.in: Add fwprop.o.
610 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
611 * passes.c (init_optimization_passes): Schedule forward propagation.
612 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
614 * timevar.def (TV_FWPROP): New.
615 * common.opt (-fforward-propagate): New.
616 * opts.c (decode_options): Enable forward propagation at -O2.
617 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
618 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
619 canon_for_address, table_size): Remove.
620 (new_basic_block, insert, remove_from_table): Remove references to
622 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
623 simplification loop more straightforward by not calling fold_rtx
625 (equiv_constant): Move here a small part of fold_rtx_subreg,
626 do not call fold_rtx. Call avoid_constant_pool_reference
628 * recog.h (canonicalize_change_group): New.
630 * doc/invoke.texi (Optimization Options): Document fwprop.
631 * doc/passes.texi (RTL passes): Document fwprop.
633 2006-11-03 Geoffrey Keating <geoffk@apple.com>
635 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
636 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
637 (grokdeclarator): Likewise.
639 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
641 * tree-dump.c (dump_enable_all): Rename local variable
642 ir_type to avoid name conflicts.
643 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
644 instead of using ir_type().
645 * profile.c (tree_register_profile_hooks): Likewise.
646 * value-prof.c (tree_register_value_prof_hooks): Likewise.
647 * basic-block.h (struct edge_def): Likewise.
648 * config/arm/arm.c (legitimize_pic_address): Likewise.
649 * coretypes.h (ir_type): New enum of all intermediate languages
651 * cfghooks.c (ir_type): Rename to...
652 (current_ir_type): ...this. Distinguish between cfgrtl and
653 cfglayout mode when the current IR is RTL. Return enum ir_type.
654 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
656 2006-11-03 Paul Brook <paul@codesourcery.com>
658 * config/arm/arm.c (arm_file_start): New function.
659 (TARGET_ASM_FILE_START): Define.
660 (arm_default_cpu): New variable.
661 (arm_override_options): Set arm_default_cpu.
663 2006-11-03 David Ung <davidu@mips.com>
665 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
666 PROCESSOR_24KC and PROCESSOR_24KF.
667 * config/mips/mips.c (mips_cpu_info_table): Add processor names
668 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
669 (mips_rtx_cost_data): Add costs for the 24kc.
670 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
671 * config/mips/24k.md: Remove references to 24k and replace with
672 uses of 24kc/24kf in the appropriate reservations.
673 * doc/invoke.texi (MIPS Options): Updated.
675 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
677 * config/sh/crt1.asm: Fix #ifdef indent.
679 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
680 Merged from STMicroelectronics sources:
681 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
682 * config/sh/crt1.asm (vbr_600): Add missing #if.
683 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
684 * sh.opt (mfused-madd): New option.
685 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
686 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
687 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
688 Remove pointless handler at VBR+0.
689 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
690 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
691 fr7. Make sure the timer handler is called with the correct FPU
692 precision setting, according to the ABI.
693 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
694 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
695 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
696 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
697 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
698 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
699 zero as second operand.
700 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
701 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
702 Fixed some bugs related to negative values, in particular -0
703 and overflow at -0x80000000.
704 * config/sh/divcost-analysis: Added sh4-300 figures.
705 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
706 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
707 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
708 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
709 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
710 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
712 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
714 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
715 SH4-300 scheduling description & fixes to SH4-[12]00 description:
716 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
717 mac_mem, mem_mac, dfp_mul, fp_cmp.
718 (insn_class, dfp_comp, any_fp_comp): Update.
719 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
720 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
721 (muldf3_i): Likewise.
722 (movsi_i): Split rI08 alternative into two separate alternatives.
724 (movsi_ie, movsi_i_lowpart): Likewise.
725 (movqi_i): Split ri alternative into two separate alternatives.
727 * sh1.md (sh1_load_store, sh1_fp): Update.
728 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
729 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
730 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
731 (sh4a_fp_double_arith): Likewise.
732 * sh4-300.md: New file.
733 * sh.c (sh_handle_option): Handle m4-300* options.
734 (sh_adjust_cost): Fix latency of auto-increments.
735 Handle SH4-300 differently than other SH4s. Check for new insn types.
736 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
737 been set by an option.
738 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
739 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
740 (mbranch-cost=): Likewise.
741 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
743 * sh.md (mulsf3): Remove special expansion code.
744 (mulsf3_ie): Now a define_insn_and_split.
745 (macsf3): Allow for TARGET_SH4.
747 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
748 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
749 (expand_cbranchdi4): Likewise.
750 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
751 CONST_DOUBLE if the outer code is COMPARE.
752 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
753 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
754 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
755 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
756 Remove redundant fp_{zero,one}_operand checks.
757 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
758 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
759 (expand_cbranchdi4): Likewise.
760 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
761 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
763 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
765 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
768 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
770 * doc/invoke.texi: Fix mfp-trap-mode typo.
772 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
774 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
775 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
776 file_end_indicate_exec_stack.
777 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
779 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
780 for a non-executable stack.
781 * crti.asm: Likewise.
782 * crtn.asm: Likewise.
783 * libunwind.S: Likewise.
785 2006-11-02 Ben Elliston <bje@au.ibm.com>
787 * tree-ssa.c (warn_uninit): Use expand_location variables for
788 locus and declaration locus.
790 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
793 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
794 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
795 cmp{eq,gt,gtu}{si,di}_media.
796 (*cmpne0si_media): Remove.
797 (*movsicc_umin): Adjust gen_cmp*_media call.
798 (unordered): Change the mode of unordered and operands[1] to
800 (seq): Adjust gen_cmp*_media calls. Make the mode of
801 a temporary result of compare SImode if needed. If the mode
802 of operands[0] is DImode, extend the temporary result to DImode.
803 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
804 (sunorderd): Change the mode of match_operand and unorderd to
806 (cmpeq{sf,df}_media): Remove.
807 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
808 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
809 and compare operation to SImode.
811 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
813 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
815 (sparc64-sun-solaris2*): Likewise.
817 2006-11-02 Paul Brook <paul@codesourcery.com>
819 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
820 from priority argument. Use different section for non-default
822 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
824 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
827 * except.c (switch_to_exception_section): Do not cache the section
828 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
829 and flag_function_sections is set.
831 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
834 * builtins.c (do_mpfr_sincos): New.
835 (fold_builtin_1): Use it to fold builtin sincos.
837 2006-11-01 Roger Sayle <roger@eyesopen.com>
839 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
840 it into -D_REENTRANT.
842 2006-11-01 Roger Sayle <roger@eyesopen.com>
844 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
845 whether the assembler supports taking the difference of symbols in
846 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
847 * configure: Regenerate.
848 * config.in: Regenerate.
849 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
850 the assembler doesn't support taking the difference of symbols in
851 different sections, i.e. we're using the native solaris assembler.
853 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
854 Peter Bergner <bergner@vnet.ibm.com>
856 * doc/invoke.texi: Add cpu_type power6x
857 (RS/6000 and PowerPC Options): Add -mmfpgpr.
858 * config.gcc: Add cpu_type power6x.
859 * configure.ac: Add test for mf{t,f}gpr instructions.
860 (HAVE_AS_MFPGPR): New.
861 * config.in: Regenerate.
862 * configure: Regenerate.
863 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
864 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
865 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
866 and mftgpr attributes.
867 (define_attr "cpu"): Add power6.
868 Change instruction sequences to use new attributes.
869 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
870 (fix_truncdfsi2_mfpgpr): New.
871 (floatsidf_ppc64_mfpgpr): New.
872 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
873 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
874 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
875 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
876 (fix_truncdfsi2): Use gpc_reg_operand constraint.
877 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
878 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
879 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
880 cntlz,exts and var_delayed_compare.
881 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
882 _ARCH_PWR6X, if features enabled.
883 * config/rs6000/rs6000.opt (mmfpgpr): New.
884 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
885 (cached_can_issue_more): New variable.
886 (processor_costs): Add power6_cost.
887 (rs6000_sched_init): New function.
888 (is_dispatch_slot_restricted): Deleted.
889 (set_to_load_agen): New function.
890 (is_load_insn,is_store_insn): New functions.
891 (adjacent_mem_locations): New function.
892 (insn_must_be_first_in_group): New function.
893 (insn_must_be_last_in_group): New function.
894 (rs6000_sched_reorder): New function.
895 (rs6000_sched_reorder2): New function.
896 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
897 TARGET_SCHED_REORDER2): Define.
898 (processor_target_table): Use PROCESSOR_POWER6 for power6.
899 Add power6x. Add MASK_MFPGPR for power6x.
900 (POWERPC_MASKS): Add MASK_MFPGPR.
901 (rs6000_override_options): Set rs6000_always_hint to false
902 for power6. Set rs6000_align_branch_targets. Replace
903 rs6000_sched_groups check with rs6000_align_branch_targets.
904 Use PROCESSOR_POWER6.
905 (last_scheduled_insn): New variable.
906 (load_store_pendulum): New variable.
907 (rs6000_variable_issue): Set last_scheduled_insn and
908 cached_can_issue_more.
909 (rs6000_adjust_cost): Add power6 cost adjustments.
910 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
911 with insn_must_be_first_in_group. Add power6 priority adjustments.
912 (rs6000_issue_rate): Add CPU_POWER6.
913 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
914 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
915 (TARGET_MFPGPR): New.
916 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
917 (ASM_CPU_SPEC): Add power6x.
918 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
920 * config/rs6000/power6.md: New file.
922 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
924 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
925 HOST_WIDE_INT_PRINT to print high and low parts. Use
926 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
927 printing a hexadecimal number prefix it with 0x.
929 2006-11-01 Chris Johns <chris@contemporary.net.au>
932 * Makefile.in (install-driver): Use exeext when installing
933 $target-gcc-$version.
935 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
937 * c-common.c (flag_cpp0x): New.
938 * c-common.h (flag_cpp0x): New.
939 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
940 supported, define __GXX_EXPERIMENTAL_CPP0X__.
941 * c-opts.c (set_std_cxx0x): New.
942 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
943 * c.opt (std=c++0x): Document.
944 (std=gnu++0x): Ditto.
945 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
946 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
948 2006-11-01 Richard Guenther <rguenther@suse.de>
950 * config/i386/i386.c (ix86_expand_rint): Fix issues with
952 (ix86_expand_floorceildf_32): Likewise.
953 (ix86_expand_floorceil): Likewise.
954 (ix86_expand_trunc): Likewise.
956 2006-10-31 Andrew Pinski <pinskia@gmail.com>
958 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
961 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
963 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
965 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
967 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
969 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
970 * configure.ac (use_cxa_atexit): As a special case, don't test
971 for libc definition of __cxa_atexit on mingw32
972 * configure: Regenerate.
973 * config.gcc (i[34567]86-pc-mingw32): Default to
974 enable__cxa_atexit=yes.
976 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
978 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
980 2006-10-31 Geoffrey Keating <geoffk@apple.com>
983 * c-decl.c (start_struct): Don't create self-containing
985 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
987 * config/rs6000/rs6000-protos.h
988 (darwin_rs6000_special_round_type_align): New.
989 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
990 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
992 2006-10-31 Geoffrey Keating <geoffk@apple.com>
994 * toplev.c (compile_file): Call final_write_globals
995 even if there have been errors.
997 2006-10-31 Eric Christopher <echristo@apple.com>
998 Falk Hueffner <falk@debian.org>
1000 * doc/extend.texi (__builtin_bswap32): Document.
1001 (__builtin_bswap64): Ditto.
1002 * doc/libgcc.texi (bswapsi2): Document.
1004 * doc/rtl.texi (bswap): Document.
1005 * optabs.c (expand_unop): Don't widen a bswap.
1006 (init_optabs): Init bswap. Set libfuncs explicitly
1007 for bswapsi2 and bswapdi2.
1008 * optabs.h (OTI_bswap): New.
1009 (bswap_optab): Ditto.
1010 * genopinit.c (optabs): Handle bswap_optab.
1011 * tree.h (tree_index): Add TI_UINT32_TYPE and
1013 (uint32_type_node): New.
1014 (uint64_type_node): Ditto.
1015 * tree.c (build_common_tree_nodes_2): Initialize
1016 uint32_type_node and uint64_type_node.
1017 * builtins.c (expand_builtin_bswap): New.
1018 (expand_builtin): Call.
1019 (fold_builtin_bswap): New.
1020 (fold_builtin_1): Call.
1021 * fold-const.c (tree_expr_nonnegative_p): Return true
1023 * builtin-types.def (BT_UINT32): New.
1025 (BT_FN_UINT32_UINT32): Ditto.
1026 (BT_FN_UINT64_UINT64): Ditto.
1027 * builtins.def (BUILT_IN_BSWAP32): New.
1028 (BUILT_IN_BSWAP64): Ditto.
1029 * rtl.def (BSWAP): New.
1030 * genattrtab.c (check_attr_value): New.
1031 * libgcc2.c (__bswapSI2): New.
1032 (__bswapDI2): Ditto.
1033 * libgcc2.h (__bswapSI2): Declare.
1034 (__bswapDI2): Ditto.
1035 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1036 * simplify-rtx.c (simplify_const_unary_operation): Return
1038 * libgcc-std.ver (__bwapsi2): Add.
1039 (__bswapdi2): Ditto.
1040 * reload1.c (eliminate_regs_1): Add bswap.
1041 (elimination_effects): Ditto.
1042 * config/i386/i386.h (x86_bswap): New.
1043 (TARGET_BSWAP): Use.
1044 * config/i386/i386.c (x86_bswap): Set.
1046 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1048 * coverage.c (coverage_checksum_string): Update comment.
1049 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1050 of get_file_function_name.
1051 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1052 of get_file_function_name_long.
1053 * tree.c (get_file_function_name): Rename from
1054 get_file_function_name_long; improve comment; handle 'I' and 'D'
1055 specially when the target has ctor/dtor support; remove special
1057 (get_file_function_name): Remove.
1058 * tree.h (get_file_function_name): Rename from
1059 get_file_function_name_long.
1060 (get_file_function_name): Remove prototype.
1062 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1064 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1065 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1067 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1068 Call dsymutil when compiling and linking one or more source files
1071 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1074 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1076 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1078 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1079 inline static functions in c99 mode.
1082 * doc/extend.texi (Inline): Update.
1083 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1084 * c-decl.c (current_extern_inline): Delete.
1085 (pop_scope): Adjust test for an undefined nested function.
1086 Add warning about undeclared inline function.
1087 (diagnose_mismatched_decls): Update comments. Disallow overriding
1088 of inline functions in a translation unit in C99. Allow inline
1089 declarations in C99 at any time.
1090 (merge_decls): Boolize variables. Handle C99 'extern inline'
1092 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1093 C99 inline semantics.
1094 (start_function): Don't clear current_extern_inline. Don't set
1096 (c_push_function_context): Don't push current_extern_inline.
1097 (c_pop_function_context): Don't restore current_extern_inline.
1100 * c-typeck.c (build_external_ref): Warn about static variables
1101 used in extern inline functions.
1102 * c-decl.c (start_decl): Warn about static variables declared
1103 in extern inline functions.
1105 2006-10-31 Roger Sayle <roger@eyesopen.com>
1108 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1109 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1110 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1111 or y is an even integer.
1113 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1116 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1117 * gthr-posix95.h (__gthread_active_p): Likewise.
1119 2006-10-31 Richard Guenther <rguenther@suse.de>
1121 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1122 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1123 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1124 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1125 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1126 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1127 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1128 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1131 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1133 * opts.c (decode_options): Disable CSE skip blocks.
1135 2006-10-30 Dirk Mueller <dmueller@suse.de>
1137 * c-common.h (strict_aliasing_warning): Fix whitespace.
1138 * c-decl (start_function): Move code for main decl warning ..
1139 * c-common.c (check_main_parameter_types): .. here.
1140 * c-common.h (check_main_parameter_types): Declare.
1142 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1145 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1147 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1149 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1150 be a PARALLEL containing sets. Return false when out_pat is not
1153 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1155 * config/mips/mips.md (mul<mode>3): Split into...
1156 (mulsi3, muldi3): ...these separate patterns.
1158 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1160 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1161 but with each set of options separated by spaces.
1163 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1165 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1166 dwarf_reg_size_table has been initialized.
1168 2006-10-30 Roger Sayle <roger@eyesopen.com>
1170 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1171 * ddg.c (print_ddg_edge): Likewise.
1172 * dwarf2out.c (prune_unused_types_walk): Likewise.
1173 * ifcvt.c (noce_try_cmove_arith): Likewise.
1174 * langhooks.c (add_builtin_function): Likewise.
1175 * reg-stack.c (subst_stack_regs_pat): Likewise.
1176 * tree.c (expanded_location): Likewise.
1177 * tree-dump.c (dequeue_and_dump): Likewise.
1179 2006-10-30 David Daney <ddaney@avtrex.com>
1181 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1183 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1185 PR tree-optimization/29637
1186 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1187 of the innertype is the innertype itself.
1189 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1191 * dwarf2out.c (file_name_acquire): Correct typo.
1193 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1195 * tree.h (tree_value_handle): Remove struct value_set declaration.
1196 Change value_set to bitmap_set.
1197 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1198 * tree-vn.c (get_value_handle): Made inline and moved to
1200 * tree-flow-inline.h: (has_stmt_ann): New function.
1201 * tree-ssa-pre.c (expressions): New variable.
1202 (next_expression_id): Ditto.
1203 (alloc_expression_id): New function.
1204 (struct value_set): Remove.
1205 (get_expression_id): New function.
1206 (get_or_alloc_expression_id): Ditto.
1207 (expression_for_id): Ditto.
1208 (clear_expression_ids): Ditto.
1209 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1210 (bb_value_sets): Renamed to bb_bitmap_sets.
1211 All value sets replaced with bitmap_sets.
1213 (BB_VISITED): New macro.
1214 (postorder): New variable.
1215 (add_to_value): Removed.
1216 (value_exists_in_set_bitmap): Ditto.
1217 (value_insert_into_set_bitmap): Ditto.
1220 (set_remove): Ditto.
1221 (set_contains_value): Ditto.
1222 (insert_into_set): Ditto.
1224 (find_leader): Ditto.
1225 (bitmap_set_subtract_from_value_set): Ditto.
1226 (value_insert_into_set): Ditto.
1227 (print_value_set): Ditto.
1228 (debug_value_set): Ditto.
1229 (constant_expr_p): New function.
1230 (bitmap_remove_from_set): Ditto.
1231 (bitmap_insert_into_set): Ditto.
1232 (bitmap_set_free): Ditto.
1233 (vh_compare): Ditto.
1234 (sorted_array_from_bitmap_set): Ditto.
1235 (bitmap_set_subtract): Ditto.
1236 (bitmap_set_equal): Ditto.
1237 (debug_bitmap_set): Ditto.
1238 (find_leader_in_sets): Ditto.
1239 (bitmap_set_replace_value): Modify for bitmapped sets.
1240 (phi_translate): Ditto.
1241 (phi_translate_set): Ditto.
1242 (bitmap_find_leader): Ditto.
1243 (valid_in_sets): Ditto.
1244 (union_contains_value): Ditto.
1246 (compute_antic_aux): Ditto. Mark changed blocks.
1247 (compute_antic): Ditto. Iterate in postorder and only over
1249 (compute_rvuse_and_antic_safe): Reuse postorder.
1250 (create_component_ref_by_pieces): Modify for bitmapped sets.
1251 (find_or_generate_expression): Ditto.
1252 (create_expression_by_pieces): Ditto.
1253 (insert_into_preds_of_block): Ditto.
1254 (changed_blocks): New variable.
1255 (do_regular_insertion): Broken out from insert_aux.
1256 (insert_aux): Modified for bitmapped sets.
1257 (find_existing_value_expr): New function.
1258 (create_value_expr_from): Use it.
1259 (insert_extra_phis): Removed.
1260 (print_bitmap_set): Renamed from bitmap_print_value_set.
1261 (compute_avail): Handle RETURN_EXPR.
1262 (init_pre): Modify for bitmapped sets.
1263 * tree-flow.h (has_stmt_ann): New function.
1265 2006-10-29 Roger Sayle <roger@eyesopen.com>
1267 * builtins.c (fold_builtin_floor): Check for the availability of
1268 the C99 trunc function before transforming floor into trunc.
1270 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1272 * builtins.c (fold_builtin_hypot): Rearrange recursive
1273 transformation before others, and also do ABS_EXPR. When
1274 necessary, check flag_unsafe_math_optimizations. When necessary,
1277 2006-10-29 Roger Sayle <roger@eyesopen.com>
1279 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1280 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1281 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1282 Fold -X eq/ne -Y as X eq/ne Y.
1284 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1286 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1287 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1288 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1289 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1290 Use an inclusive test for "mult" rather than "mul".
1291 (rotr<mode>3): Depend on ISA_HAS_ROR.
1292 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1294 (GENERATE_MULT3_DI): Delete.
1295 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1296 (ISA_HAS_MUL3): New macro.
1297 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1298 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1299 (ISA_HAS_CLZ_CLO): Likewise.
1300 (ISA_HAS_DCLZ_DCLO): Delete.
1301 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1302 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1303 the VR4120 and VR4130.
1304 (ISA_HAS_MACCHI): Use consistent formatting.
1305 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1306 (ISA_HAS_ROR): ...this new macro.
1307 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1308 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1309 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1311 2006-10-29 Roger Sayle <roger@eyesopen.com>
1313 PR tree-optimization/15458
1314 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1317 2006-10-29 Richard Guenther <rguenther@suse.de>
1319 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1320 (ix86_expand_truncdf_32): Likewise.
1321 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1322 trunc inline for SSE math and -fno-trapping-math and if not
1323 optimizing for size.
1324 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1325 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1326 for expanding btrunc inline for SSE math.
1328 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1330 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1331 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1332 i[34567]86-*-solaris2.1[0-9]*.
1333 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1334 Define conditionally depending on TARGET_64BIT_DEFAULT.
1335 (SPEC_32, SPEC_64): Define.
1336 (LINK_SPEC): Use them.
1337 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1339 2006-10-29 Richard Guenther <rguenther@suse.de>
1341 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1342 (ix86_expand_rounddf_32): Likewise.
1343 * config/i386/i386.c (ix86_expand_round): New function expanding
1344 round inline for SSE math and -fno-trapping-math and if not
1345 optimizing for size.
1346 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1347 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1348 round via ix86_expand_round.
1350 2006-10-29 Richard Guenther <rguenther@suse.de>
1352 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1353 (ix86_expand_floorceildf_32): Likewise.
1354 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1355 static helper function.
1356 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1358 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1359 * config/i386/i386.md (floordf2): Adjust to enable floor
1360 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1361 -fno-trapping-math is enabled and if not optimizing for size.
1362 (floorsf2, ceildf2, ceilsf2): Likewise.
1363 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1364 (sse2_maskcmpdf3): Likewise.
1366 2006-10-29 Richard Guenther <rguenther@suse.de>
1368 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1369 rint in case -fno-trapping-math is enabled.
1370 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1371 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1372 (ix86_expand_sse_fabs): Likewise.
1373 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1374 * config/i386/i386.md (rintdf2): Enable for SSE math if
1375 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1376 (rintsf2): Likewise.
1378 2006-10-29 Richard Guenther <rguenther@suse.de>
1380 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1381 to conversion optabs.
1382 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1383 as conversion optab.
1384 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1385 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1386 (lfloor_optab, lceil_optab): Adjust defines.
1387 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1388 lfloor and lceil optabs now being conversion optabs.
1389 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1390 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1391 New static helper function.
1392 (ix86_expand_lfloorceil): New function to expand lfloor and
1394 * config/i386/i386.md (lfloor<mode>2): Split into ...
1395 (lfloorxf<mode>2): ... x87 variant
1396 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1397 using ix86_expand_lfloorceil.
1398 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1400 * doc/md.texi (lfloorMN, lceilMN): Document.
1402 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1404 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1405 -mno-shared assembler option on mips targets.
1406 * configure, config.in: Regenerate.
1407 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1408 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1409 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1411 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1413 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1414 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1416 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1418 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1419 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1422 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1425 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1426 (fold_builtin_pow): Evaluate constant arguments at compile-time
1428 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1429 (do_mpfr_ckconv): New helper function.
1430 (do_mpfr_arg1): Use do_mpfr_ckconv.
1431 (do_mpfr_arg2): New.
1433 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1436 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1437 (-fdump-rtl-sched): Rename to ..
1438 (-fdump-rtl-sched1): here. Also fix file extension number.
1440 2006-10-28 Richard Guenther <rguenther@suse.de>
1442 * fold-const.c (maybe_canonicalize_comparison): Fix code
1445 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1447 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1448 (NON_QI_REG_P): Use IN_RANGE.
1449 (REX_INT_REGNO_P): Use IN_RANGE.
1450 (FP_REGNO_P): Use IN_RANGE.
1451 (SSE_REGNO_P): Use IN_RANGE.
1452 (REX_SSE_REGNO_P): Use IN_RANGE.
1453 (MMX_REGNO_P): Use IN_RANGE.
1454 (STACK_REGNO_P): New macro.
1455 (STACK_REG_P): Use STACK_REGNO_P.
1456 (NON_STACK_REG_P): Use STACK_REGNO_P.
1457 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1458 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1459 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1460 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1461 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1463 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1465 * except.h (output_function_exception_table): Add 'const char*' param.
1466 * except.c (switch_to_exception_section): Add 'const char*' param.
1467 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1468 and flag_function_sections is set, use a function-specific section.
1469 (output_function_exception_table): Add 'const char*' param.
1470 Adjust call to switch_to_exception_section.
1471 * final.c (rest_of_handle_final): Adjust calls to
1472 output_function_exception_table.
1473 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1474 * config.in: Regenerate.
1475 * configure: Likewise.
1477 2006-10-28 Richard Guenther <rguenther@suse.de>
1480 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1481 for maybe_canonicalize_comparison.
1482 (maybe_canonicalize_comparison): New function for canonicalizing
1484 (fold_comparison): Call it to canonicalize comparisons with
1487 2006-10-28 Richard Guenther <rguenther@suse.de>
1490 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1491 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1492 (expand_builtin): Adjust likewise.
1493 * genopinit.c (optabs[]): Add lround optab.
1494 * optabs.c (init_optabs): Initialize lround_optab.
1495 * optabs.h (enum convert_optab_index): Add COI_lround.
1496 (lround_optab): Define.
1497 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1498 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1500 (ix86_expand_lround): New function.
1501 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1503 * doc/md.texi (lroundMN2): Document.
1505 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1508 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1509 argument to HOST_WIDE_INT. Update function prototype.
1510 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1511 "size" argument to HOST_WIDE_INT. Update function prototype.
1513 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1515 * config/i386/i386.c (output_387_ffreep): Create output from a
1516 template string for !HAVE_AS_IX86_FFREEP.
1518 2006-10-27 Eric Christopher <echristo@apple.com>
1520 * config/darwin.c: Fix formatting and grammar.
1522 2006-10-27 Jan Hubicka <jh@suse.cz>
1524 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1525 to be thrown away soon when IGNORE is set.
1526 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1527 indicating when return value shall not be computed.
1528 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1530 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1532 * config/i386/i386.h (TARGET_GEODE):
1533 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1534 (TARGET_CPU_DEFAULT_geode): New macro.
1535 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1536 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1537 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1538 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1539 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1541 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1542 (processor_type): Add PROCESSOR_GEODE.
1544 * config/i386/i386.md: Include geode.md.
1547 * config/i386/i386.c (geode_cost): New initialized global
1549 (m_GEODE, m_K6_GEODE): New macros.
1550 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1551 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1552 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1553 x86_schedule): Use m_K6_GEODE instead of m_K6.
1554 (x86_movx, x86_cmove): Set up m_GEODE.
1555 (x86_integer_DFmode_moves): Clear m_GEODE.
1556 (processor_target_table): Add entry for geode.
1557 (processor_alias_table): Ditto.
1559 * config/i386/geode.md: New file.
1561 * doc/invoke.texi: Add entry about geode processor.
1563 2006-10-27 Mike Stump <mrs@apple.com>
1565 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1566 __DYNAMIC__ from here back to ...
1567 * config/darwin.h (CPP_SPEC): ... here.
1569 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1570 Nathan Sidwell <nathan@codesourcery.com>
1572 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1573 when choosing the minimum heapsize.
1575 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1577 * gcc/unwind-dw2.h: Move cfa-related variables into
1578 struct frame_state_reg_info to ensure that the CFA is properly
1579 handled when executing DW_CFA_{remember,restore}_state.
1580 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1581 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1582 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1583 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1584 gcc/config/rs6000/linux-unwind.h,
1585 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1586 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1587 Modify to use new cfa_* fields.
1589 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1591 * config/s390/s390.c (s390_init_frame_layout): Check positive
1594 2006-10-26 Ben Elliston <bje@au.ibm.com>
1596 * gimplify.c (get_name): Remove extraneous break.
1597 (gimplify_omp_for): Initialise ret with GS_OK.
1599 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1601 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1602 Add unix98.o to link line.
1604 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1608 Calculate compile-time constants using MPFR.
1609 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1610 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1612 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1614 * config/xtensa/lib2funcs.S: Use C-style comments.
1616 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1618 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1619 (file_table_relative_p): Likewise.
1620 (dwarf2out_finish): Likewise.
1621 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1623 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1625 * tree-ssa-structalias.c (intra_create_variable_infos):
1626 Don't recreate nonlocal_all if it already exists.
1628 2006-10-25 Richard Guenther <rguenther@suse.de>
1631 * optabs.h (enum optab_index): Remove OTI_lrint.
1632 (enum convert_optab_index): Add COI_lrint.
1633 (lrint_optab): Adjust.
1634 (expand_sfix_optab): Declare.
1635 * optabs.c (expand_sfix_optab): New function.
1636 (init_optabs): Init lrint_optab as conversion optab.
1637 * genopinit.c (lrint_optab): Change to a conversion optab.
1638 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1639 expansion via conversion optab.
1640 * config/i386/i386.md (*fistdi2_1): Remove
1641 flag_unsafe_math_optimizations guard.
1642 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1643 fist<mode>2_with_temp): Likewise.
1644 (lrint<mode>2): Split into...
1645 (lrintxf<mode>2): ... x87 part
1646 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1647 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1648 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1649 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1650 * doc/md.texi (lrintMN2): Document.
1652 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1655 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1656 Use inc and dec instructions for TARGET_USE_INCDEC.
1657 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1658 ("sync_double_compare_and_swap<mode>"): Likewise.
1659 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1660 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1661 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1662 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1663 ("sync_old_add<mode>"): Likewise.
1664 ("sync_lock_test_and_set<mode>"): Likewise.
1665 ("sync_lock_test_and_set<mode>"): Likewise.
1666 ("sync_add<mode>"): Likewise.
1667 ("sync_sub<mode>"): Likewise.
1668 ("sync_ior<mode>"): Likewise.
1669 ("sync_and<mode>"): Likewise.
1670 ("sync_xor<mode>"): Likewise.
1672 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1674 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1675 (remainder_optab): Define corresponding macro.
1676 (drem_optab): Remove.
1677 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1678 drem_optab initialization.
1679 * genopinit.c (optabs): Implement remainder_optab using
1680 remainder?f3 patterns. Remove drem_optab.
1681 * builtins.c (expand_builtin_mathfn_2): Handle
1682 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1683 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1684 expand_builtin_mathfn_2.
1686 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1687 depend on flag_unsafe_math_optimizations.
1689 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1690 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1691 Do not depend on flag_unsafe_math_optimizations. Use
1692 truncxf?f expander instead of truncxf?f_i387_noop.
1694 ("fpremxf4", "fprem1xf4"): Do not depend on
1695 flag_unsafe_math_optimizations.
1696 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1697 flag_unsafe_math_optimizations. Use truncxf?f expander
1698 instead of truncxf?f_i387_noop.
1700 * doc/md.texi (fmod, remainder): Document standard named pattern.
1702 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1703 David Daney <ddaney@avtrex.com>
1706 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1708 2006-10-25 Ben Elliston <bje@au.ibm.com>
1710 * doc/extend.texi (Variable Attributes): Typo fix.
1712 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1714 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1715 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1716 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1717 (FRAME_POINTER_REGNUM): Update register number to 21.
1718 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1719 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1721 * config/i386/i386.c (regclass_map): Add fpcr entry.
1722 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1724 (print_reg): Assert REGNO (x) != FPCR_REG.
1726 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1727 (DIRFLAG_REG): Renumber.
1728 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1729 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1730 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1731 hardcoded SSE register numbers.
1733 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1734 hardcoded MMX register numbers.
1736 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1739 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1740 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1742 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1743 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1744 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1745 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1747 2006-10-24 Richard Guenther <rguenther@suse.de>
1750 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1751 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1752 for deciding optimizations in consistency with fold-const.c
1753 (fold_builtin_unordered_cmp): Likewise.
1755 2006-10-24 Richard Guenther <rguenther@suse.de>
1757 * builtins.c (fold_builtin_floor): Fold floor (x) where
1758 x is nonnegative to trunc (x).
1759 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1760 nonnegative to FIX_TRUNC_EXPR.
1762 2006-10-24 Richard Guenther <rguenther@suse.de>
1764 PR tree-optimization/29567
1765 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1766 for TRUTH_NOT_EXPR. Clarify comments.
1768 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1771 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1772 at compile-time using MPFR. Change parameter VALUE to FUNC,
1774 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1775 for overflow and underflow at all times and avoid folding in
1778 2006-10-24 Ben Elliston <bje@au.ibm.com>
1780 * reload1.c: Formatting fixes.
1782 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1784 PR tree-optimization/14784
1785 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1786 * tree-ssa-structalias.c (get_constraint_for,
1787 intra_create_variable_infos): Set is_heapvar.
1788 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1789 non-heapvar pointer variables specially.
1791 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1794 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1795 fold_builtin_tan): Fold all constant arguments. Take a "type"
1796 argument as necessary.
1797 (do_mpfr_arg1): New.
1798 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1800 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1802 * config/xtensa/lib1funcs.asm: Use C-style comments.
1804 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1806 * tree.c (local_define_builtin): Replace calls to
1807 lang_hooks.builtin_function with add_builtin_function.
1808 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1810 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1812 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1813 common code to add_builtin_function.
1814 * langhooks.c (add_builtin_function): New function.
1815 (lhd_builtin_function): New function.
1816 * langhooks.h (struct lang_hooks): Change the signature of
1818 (add_builtin_function): New function.
1819 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1820 calls to lang_hooks.builtin_function with add_builtin_function.
1821 * c-common.c (decl_builtin_1): Replace calls to
1822 lang_hooks.builtin_function with add_builtin_function.
1823 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1824 lang_hooks.builtin_function with add_builtin_function.
1825 * config/frv/frv.c (def_builtin): Replace calls to
1826 lang_hooks.builtin_function with add_builtin_function.
1827 * config/s390/s390.c (s390_init_builtins): Replace calls to
1828 lang_hooks.builtin_function with add_builtin_function.
1829 * config/sparc/sparc.c (def_builtin): Replace calls to
1830 lang_hooks.builtin_function with add_builtin_function.
1831 * config/i386/i386.c (def_builtin): Replace calls to
1832 lang_hooks.builtin_function with add_builtin_function.
1833 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1834 lang_hooks.builtin_function with add_builtin_function.
1835 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1836 lang_hooks.builtin_function with add_builtin_function.
1837 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1838 Replace calls to lang_hooks.builtin_function with
1839 add_builtin_function.
1840 * config/iq2000/iq2000.c (def_builtin):
1841 Replace calls to lang_hooks.builtin_function with
1842 add_builtin_function.
1843 * config/ia64/ia64.c (def_builtin): Replace calls to
1844 lang_hooks.builtin_function with add_builtin_function.
1845 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1846 lang_hooks.builtin_function with add_builtin_function.
1847 (altivec_init_builtins): Replace calls to
1848 lang_hooks.builtin_function with add_builtin_function.
1849 * config/arm/arm.c (def_mbuiltin): Replace calls to
1850 lang_hooks.builtin_function with add_builtin_function.
1851 (arm_init_tls_builtins): Replace calls to
1852 lang_hooks.builtin_function with add_builtin_function.
1853 * config/mips/mips.c (mips_init_builtins): Replace calls to
1854 lang_hooks.builtin_function with add_builtin_function.
1855 * config/bfin/bfin.c (def_builtin): Replace calls to
1856 lang_hooks.builtin_function with add_builtin_function.
1857 * langhooks-def.h (lhd_builtin_function): New function.
1858 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1860 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1862 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1863 BUILT_IN_STRNCAT_CHK.
1865 2006-10-23 Jan Hubicka <jh@suse.cz>
1867 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1868 don't do conversion from memmove to memcpy here.
1869 (expand_builtin_bcopy, expand_builtin): Update call of
1870 expand_builtin_memmove.
1871 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1873 2006-10-23 Paul Brook <paul@codesourcery.com>
1875 * stor-layout.c (start_record_layout): maximum_field_alignment
1876 overrides STRUCTURE_SIZE_BOUNDARY.
1878 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1880 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1881 nonlocal function symbols if flag_pic.
1883 2006-10-23 Richard Guenther <rguenther@suse.de>
1887 * builtins.c (fold_binary): Remove checks for flag_wrapv
1888 and flag_trapv where negate_expr_p covers these cases.
1890 2006-10-23 Richard Guenther <rguenther@suse.de>
1893 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1894 of two on the absolute value.
1895 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1896 and negating -C does not overflow.
1898 2006-10-23 Richard Guenther <rguenther@suse.de>
1901 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1902 only if not flag_rounding_math.
1904 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1905 Kaz Kojima <kkojima@gcc.gnu.org>
1908 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1909 SImode memory reference for the source of a movua.
1910 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1911 (movua): Use an unspec instead of sign_extract. Expect the source
1912 to have mode BLKmode.
1913 (extv, insv): Use a BLKmode rather than SImode memory reference
1914 for the source of a movua.
1916 2006-10-22 Jeff Law <law@redhat.com>
1917 Richard Guenther <rguenther@suse.de>
1919 PR tree-optimization/15911
1920 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1921 (register_edge_assert_for_1): Likewise.
1922 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1923 (find_conditional_asserts): Adjust for new function signature.
1924 (find_assert_locations): Likewise.
1926 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1928 * config/i386/tmmintrin.h: Remove the duplicated content.
1930 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1932 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1933 (x86_64-*-*): Likewise.
1935 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1936 (override_options): Check SSSE3.
1937 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1938 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1939 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1940 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1941 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1942 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1943 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1944 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1945 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1946 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1947 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1948 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1949 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1950 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1951 IX86_BUILTIN_PABSD128.
1952 (bdesc_2arg): Add SSSE3.
1953 (bdesc_1arg): Likewise.
1954 (ix86_init_mmx_sse_builtins): Support SSSE3.
1955 (ix86_expand_builtin): Likewise.
1956 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1958 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1959 (UNSPEC_PSIGN): Likewise.
1960 (UNSPEC_PALIGNR): Likewise.
1961 Include mmx.md before sse.md.
1963 * config/i386/i386.opt: Add -mssse3.
1965 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1966 (ssse3_phaddwv4hi3): Likewise.
1967 (ssse3_phadddv4si3): Likewise.
1968 (ssse3_phadddv2si3): Likewise.
1969 (ssse3_phaddswv8hi3): Likewise.
1970 (ssse3_phaddswv4hi3): Likewise.
1971 (ssse3_phsubwv8hi3): Likewise.
1972 (ssse3_phsubwv4hi3): Likewise.
1973 (ssse3_phsubdv4si3): Likewise.
1974 (ssse3_phsubdv2si3): Likewise.
1975 (ssse3_phsubswv8hi3): Likewise.
1976 (ssse3_phsubswv4hi3): Likewise.
1977 (ssse3_pmaddubswv8hi3): Likewise.
1978 (ssse3_pmaddubswv4hi3): Likewise.
1979 (ssse3_pmulhrswv8hi3): Likewise.
1980 (ssse3_pmulhrswv4hi3): Likewise.
1981 (ssse3_pshufbv16qi3): Likewise.
1982 (ssse3_pshufbv8qi3): Likewise.
1983 (ssse3_psign<mode>3): Likewise.
1984 (ssse3_psign<mode>3): Likewise.
1985 (ssse3_palignrti): Likewise.
1986 (ssse3_palignrdi): Likewise.
1987 (abs<mode>2): Likewise.
1988 (abs<mode>2): Likewise.
1990 * config/i386/tmmintrin.h: New file.
1992 * doc/extend.texi: Document SSSE3 built-in functions.
1994 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1996 2006-10-22 Ira Rosen <irar@il.ibm.com>
1998 * tree-vect-transform.c (vectorizable_load): Use the type of the
1999 return value of the mask_for_load builtin to create realign_load
2002 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2004 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2007 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2009 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2010 (UNSPEC_LDDQU): This.
2011 * config/i386/sse.md (sse3_lddqu): Updated.
2013 2006-10-21 Richard Guenther <rguenther@suse.de>
2015 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2016 (expand_builtin): Use it to expand lrint instead of
2017 expand_builtin_mathfn.
2019 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2022 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2023 flag_unsafe_math_optimizations is set.
2025 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2028 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2029 patterns to use memory input operand in x87->mem->XMM
2030 reload sequences. Skip transformation for TARGET_K8.
2032 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2034 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2035 force operand1 to register if both operands are memory operands.
2036 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2037 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2038 if both operands are memory operands.
2039 (truncdfsf2): Do not force operand1 to register if both operands
2040 are memory operands.
2042 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2044 * Makefile.in (LIBS): Add $(GMPLIBS).
2045 * doc/install.texi: Update GMP and MPFR requirements.
2046 * doc/sourcebuild.texi (need_gmp): Delete.
2048 2006-10-21 Richard Guenther <rguenther@suse.de>
2050 PR tree-optimization/3511
2051 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2052 got new invariant arguments during PHI translation.
2054 2006-10-21 Richard Guenther <rguenther@suse.de>
2057 * fold-const.c (fold_comparison): Fold signed comparisons
2058 of the form X +- C1 CMP Y +- C2.
2060 2006-10-21 Richard Guenther <rguenther@suse.de>
2063 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2064 if flag_unsafe_math_optimizations is specified. We have
2065 flag_finite_math_only for that.
2066 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2067 or flag_unsafe_math_optimizations.
2069 2006-10-21 Richard Guenther <rguenther@suse.de>
2071 * builtins.c (fold_builtin_classify): Fix typo.
2073 2006-10-21 Richard Guenther <rguenther@suse.de>
2076 * simplify-rtx.c (simplify_const_relational_operation):
2077 Do not constant-fold ORDERED and UNORDERED for
2078 flag_unsafe_math_optimizations but only we do not need to
2079 honor NaNs for the given mode.
2081 2006-10-21 Richard Guenther <rguenther@suse.de>
2084 * config/i386/i386.c (classify_argument): Remove redundant
2085 walking of the BINFOs.
2086 (contains_128bit_aligned_vector_p): Likewise.
2088 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2090 * BASE-VER: Set to 4.3.0.
2092 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2094 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2095 (tree_decl_with_vis): Remove artificial_pta_var flag.
2096 * tree-flow.h (referenced_var_check_and_insert): Expose.
2097 (nonlocal_all): New prototype.
2098 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2099 (nonlocal_all): Make global.
2100 (nonlocal_lookup): Remove.
2101 (nonlocal_insert): Ditto.
2102 (create_nonlocal_var): Do not call nonlocal_insert.
2103 (get_nonlocal_id_for_type): Remove.
2104 (find_global_initializers): Mark new vars we find for renaming.
2105 (intra_create_variable_infos): Only create one nonlocal.
2106 (expand_nonlocal_solutions): Remove.
2107 (compute_points_to_sets): Don't call it.
2108 (ipa_pta_execute): Ditto.
2109 (init_alias_heapvars): Don't create nonlocal_for_type.
2110 (delete_alias_heapvars): Don't remove it.
2111 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2114 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2116 * doc/install.texi (Downloading GCC): Clarify mention of
2117 Fortran in the "full distribution" description.
2119 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2121 Fix PR tree-optimization/28778
2122 Fix PR tree-optimization/29156
2123 Fix PR tree-optimization/29415
2124 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2125 (tree_decl_with_vis): Add artificial_pta_var flag.
2126 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2127 pushed into callers.
2128 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2129 (nonlocal_all): Ditto.
2130 (struct variable_info): Add directly_dereferenced member.
2131 (var_escaped_vars): New variable.
2132 (escaped_vars_tree): Ditto.
2133 (escaped_vars_id): Ditto.
2134 (nonlocal_vars_id): Ditto.
2135 (new_var_info): Set directly_dereferenced.
2136 (graph_size): New variable
2137 (build_constraint_graph): Use graph_size.
2138 (solve_graph): Don't process constraints that cannot change the
2139 solution, don't try to propagate an empty solution to our
2141 (process_constraint): Set directly_dereferenced.
2142 (could_have_pointers): New function.
2143 (get_constraint_for_component_ref): Don't process STRING_CST.
2144 (nonlocal_lookup): New function.
2145 (nonlocal_insert): Ditto.
2146 (create_nonlocal_var): Ditto.
2147 (get_nonlocal_id_for_type): Ditto.
2148 (get_constraint_for): Allow results vector to be empty in the case
2149 of string constants.
2150 Handle results of calls properly.
2151 (update_alias_info): Update alias info stats on number and type of
2153 (find_func_aliases): Use could_have_pointers.
2154 (make_constraint_from_escaped): Renamed from
2155 make_constraint_to_anything, and changed to make constraints from
2157 (make_constraint_to_escaped): New function.
2158 (find_global_initializers): Ditto.
2159 (create_variable_info_for): Make constraint from escaped to any
2160 global variable, and from any global variable to the set of
2162 (intra_create_variable_infos): Deal with escaped instead of
2163 pointing to anything.
2164 (set_uids_in_ptset): Do type pruning on directly dereferenced
2166 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2167 (init_base_vars): Fix comment, and initialize escaped_vars.
2168 (need_to_solve): Removed.
2169 (find_escape_constraints): New function.
2170 (expand_nonlocal_solutions): Ditto.
2171 (compute_points_to_sets): Call find_escape_constraints and
2172 expand_nonlocal_solutions.
2173 (delete_points_to_sets): Don't fall off the end of the graph.
2174 (init_alias_heapvars): Initialize nonlocal_for_type and
2176 (delete_alias_heapvars): Free nonlocal_for_type and null out
2179 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2181 * fold-const.c (add_double): Rename to add_double_with_sign.
2182 Add 'unsigned_p' parameter and take it into account for the overflow.
2183 (mul_double): Rename to mul_double_with_sign.
2184 Add 'unsigned_p' parameter and take it into account for the overflow.
2185 (fold_div_compare): Call add_double_with_sign instead of add_double
2186 and mul_double_with_sign instead of mul_double, passing them the
2187 unsignedness of the type.
2188 * tree.h (add_double): Macroize.
2189 (add_double_with_sign): New prototype.
2190 (mul_double): Macroize.
2191 (mul_double_with_sign): New prototype.
2193 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2195 * config/score/crti.asm: New file.
2196 * config/score/crtn.asm: New file.
2197 * config/score/elf.h: New file.
2198 * config/score/mac.md: New file.
2199 * config/score/misc.md: New file.
2200 * config/score/mul-div.S: New file.
2201 * config/score/predicates.md: New file.
2202 * config/score/score7.md: New file.
2203 * config/score/score.c: New file.
2204 * config/score/score-conv.h: New file.
2205 * config/score/score.h: New file.
2206 * config/score/score.md: New file.
2207 * config/score/score-mdaux.c: New file.
2208 * config/score/score-mdaux.h: New file.
2209 * config/score/score-modes.def: New file.
2210 * config/score/score.opt: New file.
2211 * config/score/score-protos.h: New file.
2212 * config/score/score-version.h: New file.
2213 * config/score/t-score-elf: New file.
2214 * config.gcc: Add score*-*-* configurations(Update before).
2215 * doc/invoke.texi (Score Options): New section.
2216 * doc/md.texi (Score family): New section to document constraints.
2218 2006-10-19 Nick Clifton <nickc@redhat.com>
2220 * config/arm/arm.c: Fix spelling typo.
2222 2006-10-18 Tom Tromey <tromey@redhat.com>
2224 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2226 2006-10-18 Jan Hubicka <jh@suse.cz>
2229 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2232 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2234 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2235 TSI_SAME_STMT, since that's the desired entity.
2237 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2239 * config/s390/contraints.md: New file.
2240 * config/s390/s390-protos.h (s390_mem_constraint,
2241 s390_O_constraint_str, s390_N_constraint_str,
2242 s390_float_const_zero_p): Function prototypes added.
2243 * config/s390/s390.c (s390_extra_constraint_str,
2244 s390_const_double_ok_for_constraint_p,
2245 s390_const_ok_for_constraint_p): Functions removed.
2246 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2247 s390_float_const_zero_p): New functions.
2248 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2249 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2250 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2251 Macro definitions removed.
2252 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2253 s390_extra_constraint_str): Functions removed.
2255 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2256 Richard Sandiford <richard@codesourcery.com>
2259 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2260 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2262 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2264 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2265 (DWARF2_FRAME_REG_OUT): Likewise.
2266 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2267 (DWARF2_FRAME_REG_OUT): Likewise.
2269 2006-10-17 Paul Brook <paul@codesourcery.com>
2271 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2273 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2275 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2276 Standardize on "GNU Fortran" as the official name of the Fortran
2279 2006-10-16 Mike Stump <mrs@apple.com>
2281 * doc/invoke.texi (Darwin Options): Document -mkernel.
2282 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2284 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2285 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2286 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2287 (OS_MISSING_ALTIVEC): Add.
2288 * config/i386/i386.c (override_options): Add
2289 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2290 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2291 -mkernel, -static or -mdynamic-no-pic is given.
2292 (C_COMMON_OVERRIDE_OPTIONS): Add.
2293 * config/darwin.opt (fapple-kext): Add.
2295 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2296 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2298 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2299 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2300 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2301 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2302 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2303 (flag_mkernel): Add.
2304 (flag_apple_kext): Add.
2305 (TARGET_KEXTABI): Add.
2306 * config/darwin.c (darwin_handle_kext_attribute): Add.
2307 (DARWIN_VTABLE_P): Add.
2308 (darwin_binds_local_p): Add partial support for rebinding vtables
2310 (darwin_kextabi_p): Add.
2311 (darwin_override_options): Add.
2312 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2313 (darwin_kextabi_p): Add.
2314 (darwin_override_options): Add.
2315 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2316 __DYNAMIC__ and __STATIC__ here.
2318 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2320 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2321 Added mention of "make pdf" target, and Texinfo requirements for
2324 2006-10-16 DJ Delorie <dj@redhat.com>
2326 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2327 into the GOT in case we need a subreg of the address.
2329 2006-10-16 Richard Guenther <rguenther@suse.de>
2332 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2333 SSE builtin documentation. Document SSE2 builtins.
2335 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2337 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2338 symbol in the output file for non-shared links when -nostdlib or
2339 -nodefaultlibs isn't specified.
2341 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2342 posix thread support.
2344 2006-10-15 Jan Hubicka <jh@suse.cz>
2347 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2348 declared always_inline even when not inlining.
2350 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2351 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2352 Andrew Pinski <pinskia@gmail.com>
2355 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2357 2006-10-15 Jan Hubicka <jh@suse.cz>
2358 Richard Guenther <rguenther@suse.de>
2361 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2362 process_function_and_variable_attributes on all variables, including
2363 those discovered during cgraph construction phase.
2365 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2367 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2369 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2371 * config/i386/athlon.md (athlon_fist): Add fisttp.
2373 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2374 Ian Lance Taylor <ian@airs.com>
2377 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2378 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2381 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2383 * config/score/score.c, config/score/score.h: Fix comment
2386 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2392 2006-10-13 Eric Christopher <echristo@apple.com>
2394 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2396 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2399 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2400 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2401 alignment supported by 32-bit ELF.
2403 2006-10-13 Eric Christopher <echristo@apple.com>
2405 * config/darwin.c (darwin_emit_unwind_label): Strip
2406 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2408 2006-10-13 Richard Guenther <rguenther@suse.de>
2410 PR tree-optimization/29446
2411 * tree-vrp.c (fix_equivalence_set): Remove.
2412 (extract_range_from_assert): Do not call fix_equivalence_set.
2413 (debug_value_range): Print a newline.
2414 (compare_name_with_value): For equivalence sets with
2415 inconsistent value ranges conservatively bail out.
2416 (compare_names): Likewise.
2418 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2420 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2421 and MPFR for gfortran.
2423 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2425 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2426 alignment supported by 32-bit ELF.
2428 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2432 * c-typeck.c (digest_init): Always allow initializing vectors
2433 that have static storage duration with compound literals.
2434 * tree.c (build_type_attribute_qual_variant): New, based on
2435 build_type_attribute_variant.
2436 (build_type_attribute_variant): Rewrite using the former.
2437 (make_vector_type): Use build_type_attribute_qual_variant to build
2438 type variants. Use type_hash_canon on the others.
2440 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2441 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2443 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2445 2006-10-12 Jan Hubicka <jh@suse.cz>
2448 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2449 current_function_decl is set but current_function_scope is not.
2451 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2453 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2454 emit_insn to emit eh_return_internal instruction.
2455 (eh_return_internal): Explicitly set pc.
2457 2006-10-11 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/28230
2460 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2461 to the correct place.
2463 2006-10-11 Richard Guenther <rguenther@suse.de>
2466 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2469 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2471 * configure.ac: Added pdf to "Make-hooks"
2472 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2473 targets and *.pdf file patterns in cleanup targets.
2474 * configure: Regenerated.
2476 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2478 * config/avr/predicates.md: New file.
2479 * config/avr/avr.md: Include it.
2480 (REG_SP): New constant.
2481 (peepholes): Use predicates.
2482 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2483 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2484 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2486 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2488 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2491 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2494 * builtins.c (var_decl_component_p): New function.
2495 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2496 single entry optimization to variables and components thereof.
2498 2006-10-10 Richard Guenther <rguenther@suse.de>
2500 PR rtl-optimization/29323
2501 * except.c (set_nothrow_function_flags): For functions
2502 that do not bind local bail out early.
2504 2006-10-10 Ben Elliston <bje@au.ibm.com>
2506 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2509 2006-10-09 Richard Henderson <rth@redhat.com>
2511 Revert emutls patch.
2513 2006-10-09 Richard Guenther <rguenther@suse.de>
2516 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2519 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2522 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2523 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2524 * configure: Regenerate.
2525 * config.in: Regenerate.
2527 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2529 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2531 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2533 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2534 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2535 Remove stray newline.
2537 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2539 * config/mips/mips.c (mips_classify_symbol): Do not return
2540 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2541 (mips_in_small_data_p): Tweak comments.
2543 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2545 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2547 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2549 * gimplify.c, sched-int.h: Fix comment typos.
2551 * sched-int.h: Fix comment typos.
2553 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2555 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2557 * sched-ebb.c (begin_schedule_ready): Use them.
2558 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2559 add_to_speculative_block, create_check_block_twin, speculate_insn,
2560 fix_jump_move, move_block_after_check): Ditto.
2561 * sched-rgn.c (new_ready): Ditto.
2563 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2565 PR rtl-optimization/29128
2566 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2567 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2568 allow interblock movement of speculation checks.
2570 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2573 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2574 casted to integer type.
2575 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2576 if they are significantly more expensive than [reg + index] ones.
2578 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2580 PR tree-optimization/29330
2581 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2582 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2583 on newly allocated ddrs.
2584 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2585 to VEC (loop_p, heap) pointer.
2586 (compute_data_dependences_for_loop): Adjust caller.
2587 (free_dependence_relations): Free DDR_LOOP_NEST.
2589 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2590 free DEPENDENCE_RELATIONS and DATAREFS.
2593 * builtins.c (expand_builtin_sync_operation,
2594 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2595 Use convert_to_mode to handle promoted arguments.
2597 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2599 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2601 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2603 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2605 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2607 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2608 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2609 Use <modeconstraint> instead of "r" as operand 1 constraint.
2611 2006-10-06 Olivier Hainque <hainque@adacore.com>
2613 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2614 Don't recurse on the pointed-to type.
2615 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2616 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2617 types with components of variable size.
2619 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2621 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2623 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2625 PR tree-optimization/29290
2626 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2630 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2631 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2634 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2635 the number of vector elements fill the rest with zeros.
2637 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2639 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2640 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2643 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2645 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2646 unnamed pattern into subsi3. Use correct constraints/predicates.
2647 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2648 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2650 2006-10-05 Ira Rosen <irar@il.ibm.com>
2652 * doc/loop.texi: Add data references analysis description.
2654 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2656 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2658 2006-10-04 Richard Henderson <rth@redhat.com>
2659 Jakub Jelinek <jakub@redhat.com>
2661 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2662 * builtin-types.def (BT_WORD): Make unsigned.
2663 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2664 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2665 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2666 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2667 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2668 * cgraph.c (decide_is_variable_needed): Look at force_output.
2669 Recurse for emulated tls.
2670 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2671 checks redundant with decide_is_variable_needed.
2672 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2673 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2675 * expr.c (emutls_var_address): New.
2676 (expand_expr_real_1): Expand emulated tls.
2677 (expand_expr_addr_expr_1): Likewise.
2678 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2679 * output.h (emutls_finish): Declare.
2680 * toplev.c (compile_file): Call it.
2681 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2682 address before wrapping in CONST.
2683 * varasm.c (emutls_htab, emutls_object_type): New.
2684 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2685 (get_emutls_object_name, get_emutls_object_type): New.
2686 (get_emutls_init_templ_addr, emutls_decl): New.
2687 (emutls_common_1, emutls_finish): New.
2688 (assemble_variable): When emulating tls, swap decls; generate
2689 constructor for the emutls objects.
2690 (do_assemble_alias): When emulating tls, swap decl and target name.
2691 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2693 * emutls.c: New file.
2694 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2695 tls_object for real tls.
2697 2006-10-04 Zack Weinberg <zackw@panix.com>
2699 Fix bug in constraint-check generator, reported by Rask Ingemann
2701 * genpreds.c (add_constraint): Don't remove anything from the
2703 (write_tm_constrs_h): Detect whether "op" argument is used, and
2704 mark it ARG_UNUSED if it isn't.
2705 (write_insn_const_int_ok_for_constraint): Skip the part of the
2706 expression that would test whether "op" (which is not available
2707 here) is a CONST_INT.
2709 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2712 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2714 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2716 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2717 current Leopard versions.
2718 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2720 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2722 * doc/install.texi: Fix typos.
2724 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2726 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2727 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2728 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2730 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2732 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2733 arg to be struct mach_header_64* instead.
2735 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2738 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2739 side effects after the outer expression's post side effects.
2741 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2743 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2744 comments to reflect actual behavior and relationship between
2745 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2747 * doc/c-tree.texi (Working with declarations): Fix documentation
2748 of FIELD_DECL likewise.
2750 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2753 * doc/extend.texi: Add used variable attribute description.
2755 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2758 * c.opt (Woverride-init): New.
2759 * c-opts.c (c_common_post_options): Default warn_override_init to
2761 * c-typeck.c (add_pending_init, output_init_element): Warn for
2762 overriding initializers without side effects.
2763 * doc/invoke.texi (-Woverride-init): Document.
2766 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2768 PR rtl-optimization/28096
2769 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2770 assignment has already been used as a destination earlier in the block.
2772 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2774 * builtins.c (expand_builtin_setjmp): Delete.
2775 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2776 <BUILT_IN_SETJMP_SETUP>: New case.
2777 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2778 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2779 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2780 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2781 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2782 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2783 (lower_function_body): Initialize it to false. If it is set to true
2784 at the end of the processing, emit the setjmp dispatcher.
2785 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2786 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2787 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2788 on the rhs of the assignment.
2789 (lower_builtin_setjmp): New function.
2790 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2791 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2792 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2793 to detect calls that can go to non-local labels. Use specific
2794 helper to create the abnormal edges associated with them.
2795 <MODIFY_EXPR>: Likewise.
2796 (make_abnormal_goto_edges): New function extracted from...
2797 (make_goto_expr_edges): ...here. Call it for computed gotos.
2798 (simple_goto_p): Minor tweak.
2799 (tree_can_make_abnormal_goto): New predicate.
2800 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2801 (tree_purge_dead_abnormal_call_edges): New function.
2802 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2803 (tree_purge_dead_abnormal_call_edges): Likewise.
2804 (make_abnormal_goto_edges): Likewise.
2805 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2806 Purge all dead abnormal edges if the call was in the last statement.
2807 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2808 (execute_fixup_cfg): If there are non-local labels in the function,
2809 scan the basic blocks and split them at calls that can go to non-local
2810 labels or add missing abnormal call edges. Write down the CFG in the
2812 (pass_fixup_cfg): Remove TODO_dump_func flag.
2813 * unwind-sjlj.c: Poison setjmp.
2814 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2815 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2816 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2817 (DONT_USE_BUILTIN_SETJMP): Document it.
2819 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2822 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2823 to 1 when __ppc64__ is defined.
2824 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2826 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2828 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2830 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2831 * config/ia64/unwind-hpux.c: Delete.
2833 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2835 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2836 on the element before gimplifying it, instead of punting if it is of
2839 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2841 * doc/loop.texi: New file.
2842 * doc/gccint.texi: Reference loop.texi.
2843 * Makefile.in (loop.texi): Add.
2845 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2847 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2849 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2850 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2852 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2854 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2856 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2858 * doc/install.texi: Document required versions of GMP and MPFR.
2860 2006-09-27 Paul Brook <paul@codesourcery.com>
2863 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2865 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2867 * reload1.c (alter_reg): Require the alignment of the stack slot to
2868 be at least reg_max_ref_width bytes.
2869 (scan_paradoxical_subregs): Record the largest width in
2872 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2876 * tree-nested.c (struct nesting_info): Added static_chain_added.
2877 (convert_call_expr): Set static_chain_added when adding static
2878 chain. Handle OMP_PARALLEL and OMP_SECTION.
2880 2006-09-25 Matthias Klose <doko@debian.org>
2882 * doc/invoke.texi: Add missing full stop.
2884 2006-09-25 Richard Henderson <rth@redhat.com>
2886 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2887 before cgraph_function_flags_ready.
2889 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2890 Adam Nemet <anemet@caviumnetworks.com>
2892 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2893 determine_common_wider_type): New functions.
2894 (get_computation_aff): Use them to simplify arithmetic between
2895 UBASE and CBASE if they are shortened from the same type.
2897 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2900 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2901 -2147483647 - 1 instead of 0x80000000.
2903 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2905 * flags.h (HONOR_NANS): Fix typo in comment.
2907 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2909 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2911 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2915 * tree.c (merge_attributes, attribute_list_contained): If both
2916 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2918 * c-typeck.c (comptypes_internal): Don't consider aggregates
2919 in different TUs as compatible if there one set of attributes is
2920 not a subset of the other type's attributes.
2921 (composite_type): Try harder not to create a new aggregate type.
2923 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2925 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2926 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2927 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2928 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2929 than replicating condition above.
2930 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2932 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2933 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2934 the linker by default.
2936 2006-09-22 Mike Stump <mrs@apple.com>
2938 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2941 2006-09-22 Richard Guenther <rguenther@suse.de>
2944 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2945 sort of stack variables stable.
2947 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2950 * explow.c (force_reg): Set REG_POINTER flag according to
2953 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2955 PR tree-optimization/28888
2956 * tree-if-conv.c (combine_blocks): Rewritten.
2957 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2958 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2960 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2962 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2965 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2967 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2969 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2971 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2973 2006-09-21 Roger Sayle <roger@eyesopen.com>
2976 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2977 dw_fde_current_label, to be the start of the function, i.e. the same
2978 value as dw_fde_begin.
2980 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2982 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2983 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2984 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2985 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2986 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2987 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2988 (abs<mode>2, neg<mode>2): Likewise.
2989 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2990 (*mips_abs_ps): New define_insn.
2992 2006-09-20 Josh Conner <jconner@apple.com>
2995 * calls.c (expand_call): Allow reuse of structure return stack
2998 2006-09-20 Paul Brook <paul@codesourcery.com>
3000 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3003 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3005 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3006 clean up terminology.
3008 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3011 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3012 with tablejumps in them.
3014 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3017 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3018 wrap it into TARGET_EXPR.
3020 2006-09-20 Eric Christopher <echristo@apple.com>
3022 * config/i386/i386.c (x86_fisttp): Remove.
3023 * config/i386/i386.h (x86_fisttp): Ditto.
3024 (TARGET_FISTTP): Ditto.
3026 2006-09-19 Eric Christopher <echristo@apple.com>
3028 * doc/tm.texi (OBJC_JBLEN): Describe.
3029 * config/i386/darwin.h (OBJC_JBLEN): Define.
3030 * config/rs6000/darwin.h: Ditto.
3032 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3034 PR rtl-optimization/21299
3035 * reload1.c (reload): Purge invalid ASMs in the final pass.
3037 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3040 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3041 pointers as legitimate constants.
3043 2006-09-19 Paul Brook <paul@codesourcery.com>
3046 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3048 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3050 PR tree-optimization/28887
3051 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3052 component parts from the reference.
3053 (gather_memory_references_ref): Record the reference without the
3054 nonaddressable component parts.
3056 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3059 * c-opts.c (c_common_handle_option): Ignore the -std options
3060 if the input language is assembly.
3062 2006-09-17 Ira Rosen <irar@il.ibm.com>
3065 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3067 (ptr_ptr_may_alias_p): Likewise.
3068 (record_record_differ_p): New function.
3069 (base_object_differ_p): Call record_record_differ_p.
3071 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3074 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3075 away for the expr argument.
3077 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3080 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3081 before using it for dumping after vectorizing loops.
3083 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3084 Jack Howarth <howarth@bromo.med.uc.edu>
3087 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3088 skip on error_mark_node.
3089 (rs6000_darwin64_record_arg_recurse): Likewise.
3091 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3093 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3094 * doc/rtl.texi: Remove related documentation.
3096 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3098 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3101 2006-09-15 Jim Wilson <wilson@specifix.com>
3103 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3104 Handle symbol offsets same as they are handled in ia64_expand_move
3107 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3109 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3110 Add forgotten parameter to the fprintf call.
3112 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3114 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3116 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3118 * doc/contrib.texi: Add my entry.
3120 2006-09-15 Nick Clifton <nickc@redhat.com>
3122 * doc/md.texi (Processor pipeline description): Fix typo in
3123 example of how to use the absence_set directive and reword the
3124 description to make it slightly easier to read.
3126 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3128 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3129 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3130 expanding the number of iterations.
3131 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3133 * cfgrtl.c (emit_insn_at_entry): New function.
3134 * rtl.h (emit_insn_at_entry): Declare it.
3135 * integrate.c (emit_initial_value_sets): Use it.
3137 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3139 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3141 (struct loop_work and related VEC declarations): Delete.
3142 (bfin_dump_loops): Print out new member bad.
3143 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3144 (bfin_scan_loop): Don't recurse.
3145 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3146 loops. No longer need to update outer loops if the current one is
3147 found bad. Move some validitiy checks to bfin_discover_loop.
3148 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3149 but changed not to check for nesting. Also changed to use the new bad
3151 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3152 time. Use bitmap based test to discover loop nesting.
3154 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3156 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3159 2006-09-14 Richard Guenther <rguenther@suse.de>
3160 Kazu Hirata <kazu@codesourcery.com>
3162 PR middle-end/28884.
3163 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3164 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3165 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3166 with TARGET_FUNCTION_VALUE.
3168 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3171 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3173 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3175 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3178 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3181 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3184 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3186 * basic_block.h (bb_has_eh_pred): Fix comment.
3188 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3190 * flow.c (calculate_global_regs_live): Invalidate eh registers
3191 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3192 (propagate_block): Handle eh registers as if they were set at basic
3194 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3196 * global.c (global_conflicts): Make eh registers to conflict with
3197 pseudos live at basic block begin.
3198 * basic_block.h (bb_has_eh_pred): New function.
3200 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3202 PR rtl-optimization/28982
3203 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3204 index of a PRE_MODIFY or POST_MODIFY address.
3205 * reload1.c (inc_for_reload): Use find_replacement on the original
3206 base and index registers.
3208 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3210 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3211 for -Os. Update __m128 alignment requirement.
3213 2006-09-13 Jan Hubicka <jh@suse.cz>
3215 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3217 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3219 PR rtl-optimization/28243
3220 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3221 the insn to which the note was originally attached.
3223 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3224 Roger Sayle <roger@eyesopen.com>
3226 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3227 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3228 on platforms that don't use dwarf for debug info.
3230 2006-09-12 Jason Merrill <jason@redhat.com>
3233 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3234 hard_frame_pointer_rtx after using it to update the frame pointer.
3236 2006-09-12 Roger Sayle <roger@eyesopen.com>
3238 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3239 (TARGET_ASM_CLOSE_PAREN): Likewise.
3240 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3241 (TARGET_ASM_CLOSE_PAREN): Likewise.
3243 2006-09-12 Roger Sayle <roger@eyesopen.com>
3246 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3247 frame information for frames larger than 512 Kbytes on Tru64 when
3248 using the native assembler.
3250 2006-09-12 Roger Sayle <roger@eyesopen.com>
3254 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3255 and symbols. Instead use the implementation from cse.c's hash_rtx.
3257 2006-09-12 Jan Hubicka <jh@suse.cz>
3259 PR rtl-optimization/28071
3260 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3261 (vect_transform_loop): Likewise.
3262 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3263 (new_loop_vec_info): Likewise.
3264 (destroy_loop_vec_info): Likewise.
3265 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3266 (create_stmt_ann): Likewise.
3267 (create_tree_ann): Rename to ...
3268 (create_tree_common_ann): ... this one; allocate only the common part
3270 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3271 (get_value_handle): Likewise.
3272 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3273 get_tree_common_ann.
3274 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3275 (vinfo_for_stmt): Use stmt annotations.
3276 * tree-flow.h (tree_ann_common_t): New type.
3277 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3278 (tree_ann, get_tree_ann, create_tree_ann): New.
3279 * tree-flow-inline.h (get_function_ann): Do more type checking.
3280 (stmt_ann): Likewise.
3281 (tree_ann): Rename to ...
3282 (tree_common_ann): ... this one; return ony common_ann
3283 (get_tree_ann): Rename to ...
3284 (tree_common_ann): This one; return only common_ann.
3285 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3288 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3290 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3291 with_cpu by default.
3293 * dwarf2out.c (dwarf_file_data): New.
3294 (enum dw_val_class): Add dw_val_class_file.
3295 (struct dw_val_struct): Add val_file.
3296 (file_table): Change to a hash table.
3297 (file_table_emitted): Delete.
3298 (file_table_last_lookup_index): Delete.
3299 (emitcount): Delete.
3300 (last_emitted_file): New.
3301 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3302 (init_file_table): Delete.
3303 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3304 (AT_addr): Add comment.
3308 (print_die): Handle dw_val_class_file.
3309 (print_dwarf_line_table): Update for new file table structure.
3310 (attr_checksum): Do checksum a filename.
3311 (same_dw_val_p, same_attr_p): Do compare a filename.
3312 (size_of_die): Handle dw_val_class_file.
3313 (value_format): Likewise.
3314 (output_die): Likewise. Also, call maybe_emit_file here.
3315 (struct file_info): Constify filenames. Make file_idx a pointer
3316 to a struct dwarf_file_data.
3317 (struct dir_info): Constify directory names. Remove 'used' field.
3318 (struct file_name_acquire_data): New.
3319 (file_name_acquire): New.
3320 (output_file_names): Modify to handle new file data structures.
3321 (add_src_coords_attributes): Use add_AT_file.
3322 (add_call_src_coords_attributes): Likewise.
3323 (dwarf2out_imported_module_or_decl): Likewise.
3324 (gen_subprogram_die): Modify for new file data structures.
3325 (gen_variable_die): Likewise.
3326 (file_table_eq): New.
3327 (file_table_hash): New.
3328 (file_table_last_lookup): New.
3329 (lookup_filename): Rewrite to handle new file data structures.
3330 (maybe_emit_file): Rewrite to handle new file data structures.
3331 (dwarf2out_source_line): Always call lookup_filename and
3333 (dwarf2out_init): Create file_table here.
3334 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3335 (file_table_relative_p): New.
3336 (dwarf2out_finish): Change detection of relative filenames
3337 to work with new file data structures. Move output_line_info call
3338 after debug_info output.
3340 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3345 * config/i386/i386.c (override_options): Always default to 16
3346 byte stack boundary.
3348 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3351 * var-tracking.c (dump_dataflow_set): Start dumping at
3353 (clobber_variable_part): Kill only the variable part in
3354 registers holding it, leaving other variables alone.
3356 2006-09-11 Josh Triplett <josh@freedesktop.org>
3358 * doc/extend.texi (Other Builtins): Actually use the macro
3359 argument in the documentation example for
3360 __builtin_types_compatible_p.
3362 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3364 PR rtl-optimization/28726
3365 * sched-deps.c (sched_analyze_reg): New function extracted from...
3366 (sched_analyze_1): ...here. Call it to analyze references to
3367 registers. Treat again writes to a stack register as writing to the
3369 (sched_analyze_2): ...and here. Call it to analyze references to
3370 registers. Treat again reads of a stack register as reading the
3373 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3374 David Edelsohn <edelsohn@gnu.org>
3377 * config/rs6000/spe.md (frob_df_di): Remove %H.
3378 (frob_di_df): Remove %H. Change evmergelo to mr.
3379 (frob_di_df_2): Remove %H. Change evldd to two loads.
3381 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3383 * doc/cpp.texi: Fix names of charset options.
3385 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3388 * config/i386/i386.c (override_options): Use 128-bit
3389 stack boundary always for 64bits.
3391 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3393 PR rtl-optimization/28636
3394 * combine.c (force_to_mode): Test for side-effects before
3395 substituting by zero.
3396 (simplify_shift_const): Likewise for zero or other constants.
3398 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3401 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3404 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3407 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3408 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3409 returned by mode_for_size, rather than the mode of src itself,
3410 to choose between 32-bit and 64-bit patterns.
3411 (mips_mem_fits_mode_p): New function.
3412 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3413 that the size of the source matches the size of the destination.
3414 (mov_<store>l, mov_<store>r): Likewise.
3416 2006-09-10 Eric Christopher <echristo@apple.com>
3418 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3421 2006-09-09 Eric Christopher <echristo@apple.com>
3424 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3427 2006-09-09 Roger Sayle <roger@eyesopen.com>
3428 Nicolas Setton <setton@adacore.com>
3430 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3432 2006-09-10 Andreas Schwab <schwab@suse.de>
3434 * config/m68k/m68k.md (bungt_rev): New pattern.
3436 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3437 Dale Johannesen <dalej@apple.com>
3440 * regclass.c (struct reg_pref): Update documentation.
3441 (regclass): Set prefclass to NO_REGS if memory is the best option.
3442 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3444 2006-09-08 Eric Christopher <echristo@apple.com>
3446 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3447 * config/t-slibgcc-darwin: Support x86_64 multilib.
3448 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3449 Return 1 for x86_64-darwin.
3450 * config/i386/t-darwin: Add m64 multilib.
3451 (LIB2_SIDITI_CONV_FUNCS): Use.
3452 (LIB2FUNCS_EXTRA): Ditto.
3453 * config/i386/darwin.h: Support x86_64.
3454 * config/i386/i386.c (override_options): Turn on flag_pic
3455 for x86_64-darwin. Disable flag_omit_pointer.
3456 (get_pc_thunk_name): Assert !TARGET_64BIT.
3457 (legitimate_address_p): Disable machopic addressing for
3459 (legitimize_pic_address): Ditto.
3460 (ix86_expand_move): Ditto.
3461 (ix86_expand_call): Ditto.
3462 (machopic_output_stub): Ditto.
3463 * config/darwin.c (machopic_select_section): Support literal16.
3464 (machopic_select_rtx_section): Ditto.
3465 * config/darwin-sections.def: Ditto.
3466 * config/darwin-64.c: New.
3468 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3471 * c-tree.h (struct c_arg_info): Add pending_sizes.
3472 * c-parser.c (c_parser_parms_declarator,
3473 c_parser_parms_list_declarator): Initialize pending_sizes.
3474 * c-decl.c (get_parm_info): Initialize pending_sizes.
3475 (get_parm_info): Set pending_sizes.
3476 (grokdeclarator): Call put_pending_sizes for parameters for
3477 function definition only.
3479 2006-09-07 Jason Merrill <jason@redhat.com>
3482 * varasm.c (output_constant): Only strip actual no-op conversions.
3485 * config/i386/i386.c (override_options): Use 128-bit
3486 stack boundary if -msse.
3488 2006-09-07 Eric Christopher <echristo@apple.com>
3490 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3492 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3495 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3497 * dwarf2out.c: Remove strange characters from comment above
3498 dwarf2out_frame_debug_expr.
3500 2006-09-07 Eric Christopher <echristo@apple.com>
3502 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3503 * config/darwin.h: ... to here.
3505 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3507 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3509 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3510 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3512 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3513 TARGET_PARTIAL_FLAG_REG_STALL.
3514 (*ashldi3_cconly_rex64): Likewise.
3515 (*ashlsi3_cmp): Likewise.
3516 (*ashlsi3_cconly): Likewise.
3517 (*ashlsi3_cmp_zext): Likewise.
3518 (*ashlhi3_cmp): Likewise.
3519 (*ashlhi3_cconly): Likewise.
3520 (*ashlqi3_cmp): Likewise.
3521 (*ashlqi3_cconly): Likewise.
3522 (*ashrdi3_cmp_rex64): Likewise.
3523 (*ashrdi3_cconly_rex64): Likewise.
3524 (*ashrsi3_cmp): Likewise.
3525 (*ashrsi3_cconly): Likewise.
3526 (*ashrsi3_cmp_zext): Likewise.
3527 (*ashrhi3_cmp): Likewise.
3528 (*ashrhi3_cconly): Likewise.
3529 (*ashrqi3_cmp): Likewise.
3530 (*ashrqi3_cconly): Likewise.
3531 (*lshrdi3_cmp_rex64): Likewise.
3532 (*lshrdi3_cconly_rex64): Likewise.
3533 (*lshrsi3_cmp): Likewise.
3534 (*lshrsi3_cconly): Likewise.
3535 (*lshrsi3_cmp_zext): Likewise.
3536 (*lshrhi3_cmp): Likewise.
3537 (*lshrhi3_cconly): Likewise.
3538 (*lshrqi2_cmp): Likewise.
3539 (*lshrqi2_cconly): Likewise.
3541 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3544 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3545 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3546 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3547 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3548 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3549 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3550 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3551 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3552 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3553 implement only CC setting effects of shift instructions.
3555 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3557 * doc/contrib.texi: Add myself.
3559 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3562 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3563 was set by the user.
3565 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3568 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3569 (divsi_inv_m1): Use them.
3570 (UNSPEC_DIV_INV_TABLE): New constant.
3572 2006-09-06 James E Wilson <wilson@specifix.com>
3575 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3576 then call count_or_remove_death_notes.
3578 2006-09-06 Jason Merrill <jason@redhat.com>
3581 * tree-inline.c (copy_result_decl_to_var): New fn.
3582 (declare_return_variable): Use it. Call declare_inline_vars here.
3583 (expand_call_inline): Not here.
3585 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3587 * doc/contrib.texi: Update my entry.
3589 2006-09-06 Nick Clifton <nickc@redhat.com>
3591 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3593 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3596 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3597 (canonicalize_induction_variables): Likewise.
3598 (tree_unroll_loops_completely): Likewise.
3599 (tree_ssa_prefetch_arrays): Likewise.
3600 (remove_empty_loops): Likewise.
3601 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3602 TODO_cleanup_cfg instead of directly calling
3603 cleanup_tree_cfg_loop.
3604 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3606 (tree_unroll_loops_completely): Likewise.
3607 (remove_empty_loops): Likewise.
3608 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3609 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3610 of tree_ssa_unswitch_loops.
3611 (tree_ssa_loop_ivcanon): Use the return value of
3612 canonicalize_induction_variables.
3613 (tree_ssa_empty_loop): Use the return value of
3615 (tree_complete_unroll): Use the return value of
3616 tree_unroll_loops_completely.
3617 (tree_ssa_loop_prefetch): Use the return value of
3618 tree_ssa_prefetch_arrays.
3619 * passes.c (execute_todo): Before Cleanup CFG, set
3620 updating_used_alone and after cleanup CFG, call
3621 recalculate_used_alone.
3623 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3626 * tree-vect-transform.c (vectorizable_condition): Move the check
3627 for the type after the check for simple condition.
3629 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3630 Kaz Kojima <kkojima@gcc.gnu.org>
3633 * mode-switching.c (optimize_mode_switching): Make the destination
3634 block of an abnormal edge have no anticipatable mode. Don't
3635 insert mode switching code at the end of the source block of
3638 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3640 PR rtl-optimization/26847
3641 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3642 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3643 (simplify_plus_minus): Count n_constants while filling ops. Replace
3644 qsort with insertion sort. Before going through the array to simplify
3645 pairs, sort it. Delay early exit until after the first sort, exiting
3646 only if no swaps occurred. Simplify pairs in reversed order, without
3647 special-casing the first iteration. Pack ops after simplifying pairs.
3649 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3651 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3652 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3653 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3654 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3656 2006-09-05 Richard Guenther <rguenther@suse.de>
3658 PR tree-optimization/28900
3659 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3660 compound conditional before creating COND_EXPR condition.
3662 2006-09-05 Richard Guenther <rguenther@suse.de>
3664 PR tree-optimization/28905
3665 * tree-vrp.c (fix_equivalence_set): Manually implement
3666 !value_ranges_intersect_p to also handle symbolic ranges.
3668 2006-09-05 Richard Guenther <rguenther@suse.de>
3671 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3674 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3676 PR rtl-optimization/27616
3677 * cse.c (table_size): New static variable.
3678 (new_basic_block): Initialize it to 0.
3679 (remove_from_table): Decrement it.
3680 (insert): Increment it.
3681 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3682 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3683 fold_rtx_mem_1 if under the cap.
3684 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3685 the lookup of the equivalent expression and test for equality of the
3686 first operand of the equivalent expression before in turn looking up
3687 an equivalent constant for the second operand.
3689 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3692 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3693 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3694 pointer, instead of assuming it is possible to derive the
3695 correct args size from a call insn.
3697 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3700 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3701 (fold_builtin_mempcpy): Rename to...
3702 (fold_builtin_memory_op): ... this. Optimize one element copy
3704 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3706 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3707 (expand_builtin_memcpy, expand_builtin_mempcpy,
3708 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3709 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3710 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3711 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3713 2006-09-01 DJ Delorie <dj@redhat.com>
3715 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3716 (stzx_16): Likewise.
3717 ("stzx_24_<mode>"): Likewise.
3718 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3719 ("cmp<mode>_op"): New.
3720 (cmp<mode>): Change to expander; just save operands.
3722 (b<code>): Change to expander, emit compare here.
3723 (s<code>_op): Change to use split and expander.
3724 (s<code>_24_op): Likewise.
3725 (s<code>_<mode>): New.
3726 (s<code>_<mode>_24): New.
3727 (movqicc_<code>_<mode): New.
3728 (movhicc_<code>_<mode>): New.
3731 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3732 (m32c_pend_compare): New.
3733 (m32c_unpend_compare): New.
3734 (m32c_expand_scc): New.
3735 (m32c_expand_movcc): Emit the compare also.
3736 * config/m32c/predicates.md (mra_nopp_operand): New.
3738 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3739 Richard Guenther <rguenther@suse.de>
3740 Adam Nemet <anemet@caviumnetworks.com>
3743 * builtins.c (get_pointer_alignment): Handle more forms
3744 of base addresses that can be used to derive more precise
3745 information about alignment.
3747 2006-09-01 Jason Merrill <jason@redhat.com>
3750 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3753 * gimplify.c (voidify_wrapper_expr): Handle null type.
3755 2006-09-01 Josh Conner <jconner@apple.com>
3758 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3759 (execute_return_slot_opt): Use it.
3761 2006-08-31 Josh Conner <jconner@apple.com>
3764 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3765 returning aggregates.
3767 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3769 PR tree-optimization/28839
3770 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3771 blocks in that phi arguments appear.
3773 2006-08-31 Roger Sayle <roger@eyesopen.com>
3776 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3777 NULL, otherwise use an advance_loc4 to adjust relative to the
3779 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3780 (dwarf2out_switch_text_section): Reset the current label to avoid
3781 using advance_loc4 over section boundaries.
3783 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3786 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3787 r12 + SYMBOLIC_CONST.
3789 2006-08-30 Richard Guenther <rguenther@suse.de>
3791 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3793 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3795 PR rtl-optimization/27735
3796 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3797 Add new argument to keep track of whether an irreducible region
3798 was affected. All callers changed.
3799 (fix_irreducible_loops): Removed.
3800 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3801 flags were invalidated.
3803 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3805 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3806 instead of SF operands.
3807 (*fop_df_comm_sse): Likewise.
3808 (*fop_df_comm_i387): Likewise.
3809 (*fop_df_1_mixed): Likewise.
3810 (*fop_df_1_sse): Likewise.
3812 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3813 J"orn Rennecke <joern.rennecke@st.com>
3815 PR tree-optimization/17506
3816 * tree-ssa.c (warn_uninit): If warning about a location outside of
3817 the current function, note where the variable was declared.
3819 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3821 PR tree-optimization/28411
3822 * double-int.c (double_int_div): Use double_int_divmod.
3823 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3824 double_int_mod, double_int_smod, double_int_umod): New functions.
3825 * double-int.h (double_int_divmod, double_int_sdivmod,
3826 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3828 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3830 (get_computation_aff, get_computation_cost_at): Handle double_int
3831 return type of constant_multiple_of.
3833 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3836 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3837 an implicit conversion.
3839 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3841 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3843 2006-08-27 Roger Sayle <roger@eyesopen.com>
3845 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3848 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3850 * config/i386/crtfastmath.c: Fix a comment typo.
3852 2006-08-26 Roger Sayle <roger@eyesopen.com>
3854 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3855 temporary visit flags on CASE_LABEL_EXPRs.
3856 * c-common.c (match_case_to_enum): Add function comment. Avoid
3857 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3858 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3859 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3860 a constant, only warn if that constant value isn't handled.
3862 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3865 * input.h (restore_input_file_stack): Declare.
3866 (INPUT_FILE_STACK_BITS): Define.
3867 * toplev.c (fs_p, input_file_stack_history,
3868 input_file_stack_restored, restore_input_file_stack): New.
3869 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3870 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3871 (pop_srcloc): Don't free old state of stack.
3873 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3876 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3877 (PowerPC Type Attributes): New.
3879 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3881 * config/xtensa/xtensa.c (function_arg_boundary): New.
3882 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3884 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3885 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3887 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3890 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3893 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3895 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3896 (verify_local_live_at_start): Likewise.
3898 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3901 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3902 omp_add_variable): Treat sizes as variable whenever not
3905 2006-08-26 Richard Guenther <rguenther@suse.de>
3908 * fold-const.c (fold_binary): Fold temporary to correct
3909 type before constructing new comparison.
3911 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3914 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3915 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3917 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3920 * c-decl.c (start_function): Don't try to process prototype
3921 information from old declaration that isn't a function.
3923 2006-08-25 Jan Hubicka <jh@suse.cz>
3926 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3928 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3931 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3934 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3936 PR tree-optimization/16876
3937 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3938 exit if PARM doesn't match VALUE.
3940 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3942 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3943 literal_prefix directive.
3944 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3945 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3946 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3948 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3951 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3952 predicate to general_operand. Add 0->y and I->r alternatives.
3954 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3956 * doc/tm.texi: Fix a typo.
3957 * predict.c: Fix comment typos.
3959 2006-08-25 Nick Clifton <nickc@redhat.com>
3961 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3962 assertions of "cpu" and "machine".
3964 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3967 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3968 the access through a base which has an alias set of 0 cannot
3971 2006-08-24 Bill Wendling <wendling@apple.com>
3973 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3975 2006-08-24 Jan Hubicka <jh@suse.cz>
3977 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3979 2006-08-24 Jan Hubicka <jh@suse.cz>
3982 * cgraph.c: Fix comments.
3983 (cgraph_varpool_mark_needed_node): Mark only variables not already
3985 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3986 (cgraph_varpool_assembled_nodes_queue): New static variable.
3987 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3988 (cgraph_varpool_output_debug_info): New function.
3989 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3990 * Makefile.in: Add gt-cgraphunit.h
3992 2006-08-24 Jan Hubicka <jh@suse.cz>
3994 * predict.c (probability_reliable_p): New predicate.
3995 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3996 (predict_loops): Do not predict loop exit with less than 2%
3998 * basic-block.h (edge_probability_reliable_p,
3999 br_prob_note_reliable_p): Declare.
4000 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4001 prediction when static predictor is not reliable.
4002 * rs6000.c (output_cbranch): Likewise.
4004 2006-08-23 Stuart Hastings <stuart@apple.com>
4007 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4008 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4010 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4013 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4014 complex values, nor for generic vector values.
4016 2006-08-22 Richard Guenther <rguenther@suse.de>
4019 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4020 parameter. Convert arguments to arithmetic expression to the
4022 (analyze_scalar_evolution_1): Adjust caller.
4024 2006-08-22 Jan Hubicka <jh@suse.cz>
4026 Patch by Paolo Bonzini
4027 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4030 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4032 PR tree-optimization/28003
4033 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4034 before grouping aliases.
4036 2006-08-22 Roger Sayle <roger@eyesopen.com>
4038 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4039 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4041 2006-08-21 Jason Merrill <jason@redhat.com>
4044 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4045 wrapper. Loop to handle nested wrappers.
4046 (gimplify_bind_expr): Remove temp parameter.
4047 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4048 and STATEMENT_LIST on the rhs.
4049 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4050 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4051 (gimplify_target_expr): Remove special BIND_EXPR handling.
4053 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4055 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4058 2006-08-21 Olivier Hainque <hainque@adacore.com>
4060 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4061 Arrange for the temporary captures of components overlapping the lhs
4062 to happen before the lhs is possibly cleared.
4064 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4066 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4067 necessary places to pass the correct "number of registers" values
4070 2006-08-20 Jan Hubicka <jh@suse.cz>
4072 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4073 (create_name_tags): Instead of quadratic checking use hashtable.
4074 * bitmap.h: Include hashtab.h.
4075 (bitmap_hash): Declare.
4076 * bitmap.c (bitmap_hash): New function.
4078 2006-08-20 Jan Hubicka <jh@suse.cz>
4080 PR rtl-optimization/28071
4081 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4083 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4084 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4085 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4086 cgraph_decide_inlining_incrementally): Update use of
4087 cgraph_check_inline_limits.
4088 * cgraph.c (edge_hash, edge_eq): New function.
4089 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4090 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4091 cgraph_remove_node): Maintain call site hash.
4092 * cgraph.h (struct cgraph_node): Add call_site_hash.
4093 (cgraph_set_call_stmt): New function.
4095 2006-08-20 Jan Hubicka <jh@suse.cz>
4097 PR rtl-optimization/28071
4098 * reload1.c (reg_has_output_reload): Turn into regset.
4099 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4100 choose_reload_regs, emit_reload_insns): Update to new
4101 reg_has_output_reload.
4103 2006-08-20 Jan Hubicka <jh@suse.cz>
4106 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4107 function body sizes.
4108 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4110 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4113 * tree.c (handle_dll_attribute): Return early if not a
4114 var or function decl.
4116 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4119 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4120 alignment of SPE vector types.
4122 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4124 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4126 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4129 * cgraph.h (struct cgraph_node): Remove externally_visible
4131 * cgraphunit.c (process_function_and_variable_attributes): Set
4132 local.externally_visible rather than externally_visible.
4135 * c-common.c (handle_externally_visible_attribute): First look
4136 at TREE_CODE and only if it is function or var decl, check for
4137 non-public objects. Don't warn for DECL_EXTERNAL.
4138 * cgraphunit.c (process_function_and_variable_attributes): Warn
4139 if externally_visible attribute is used on non-public object.
4141 2006-08-17 Jan Hubicka <jh@suse.cz>
4143 PR tree-optimization/27865
4144 * reload1.c (forget_marked_reloads): New function.
4145 (forget_old_reloads_1): When data are passed, just mark the registers
4147 (reload_as_needed): Use the new mechanizm.
4149 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4152 * reload.h (reg_equiv_alt_mem_list): New declaration.
4153 * reload1.c (reg_equiv_alt_mem_list): New definition.
4154 (reload): Initialize it and release it.
4155 (delete_output_reload): Use it.
4156 * reload.c (push_reg_equiv_alt_mem): New function.
4157 (find_reloads_toplev): Call it.
4158 (find_reloads_address, find_reloads_address_1): Likewise.
4159 (find_reloads_subreg_address): Likewise.
4161 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4163 PR rtl-optimization/28489
4164 * sched-ebb.c (begin_schedule_ready): Create basic block
4166 (advance_target_bb): Skip empty blocks.
4167 * haifa-sched.c (bb_note): Make global.
4168 * sched-int.h (bb_note): Add prototype.
4170 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4172 PR tree-optimization/27865
4173 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4175 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4176 fold_used_pointer, pointer_used_p): New functions.
4177 (analyze_scalar_evolution_1): Use fold_used_pointer.
4178 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4179 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4182 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4185 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4186 or the INTEGER_CST. Fail on a CALL_EXPR.
4187 (fold_offsetof): Pass new argument to fold_offsetof_1.
4188 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4189 operand into an INDIRECT_REF.
4190 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4192 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4194 PR gcov/profile/26570
4195 * value-prof.c (static_values): Removed.
4196 (tree_find_values_to_profile): Do not set static_values.
4197 (find_values_to_profile): Do not free static_values.
4198 * profile.c (instrument_values): Do not free the values.
4199 (branch_prob): Free the values.
4201 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4203 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4205 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4208 * c-typeck.c (build_component_ref): Combine qualifiers of
4209 structure or union and field.
4211 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4213 PR rtl-optimization/28071
4214 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4215 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4216 * tree-into-ssa.c (struct dom_dfsnum): New.
4217 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4219 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4220 compute_global_livein.
4221 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4222 in phi nodes in the correct blocks.
4224 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4226 PR tree-optimization/28364
4227 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4229 (fold_affine_expr): New function.
4230 (may_eliminate_iv): Use fold_affine_expr.
4232 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4235 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4238 2006-08-16 Mike Stump <mrs@apple.com>
4240 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4241 * doc/cppopts.texi (-MD): Likewise.
4243 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4246 * c-common.c (handle_weak_attribute): Ignore and warn if
4247 not a FUNCTION_ or VAR_DECL.
4249 2006-07-15 Mike Stump <mrs@apple.com>
4252 * c-parser.c (c_parser_typeof_specifier): Don't use
4253 c_finish_expr_stmt, open code desired semantics instead.
4255 2006-08-15 Nick Clifton <nickc@redhat.com>
4257 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4258 fragment to tmake_file only if threads are enabled.
4259 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4260 * config/i386/t-gthr-win32: New file. ... here.
4262 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4265 * c-parser.c (c_parser_compound_statement_nostart): Reset
4266 parser->error after each statement.
4268 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4271 * omp-low.c (lower_omp_parallel): Convert t to
4272 receiver_decl's type.
4273 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4274 source before comparison.
4277 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4278 to itype in assignment to oldival2.
4280 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4284 * c-typeck.c (build_compound_expr): If the second expression
4285 is an error mark, then just return an error mark instead of
4286 creating a COMPOUND_EXPR.
4288 2006-07-14 Mike Stump <mrs@apple.com>
4290 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4292 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4294 * c-decl.c, var-tracking.c: Fix comment typos.
4296 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4298 PR rtl-optimization/28634
4299 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4300 for floating-point modes unless flag_unsafe_math_optimizations.
4302 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4303 Andrew Pinski <pinskia@physics.uc.edu>
4306 * tree.c (build_array_type): Unify array types with
4307 unspecified index_type.
4308 * c-decl.c (grokdeclarator): Make sure we do not modify a
4309 unified incomplete array type.
4310 * c-typeck.c (store_init_value): Create distinct type before
4311 filling in the index type in an initializer from a compound
4314 * c-decl.c (grokdeclarator): Remove code where we copy the
4317 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4319 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4320 into account for TODO_dump_cgraph.
4321 (TODO_update_ssa_no_phi): Likewise.
4322 (TODO_update_ssa_full_phi): Likewise.
4323 (TODO_update_ssa_only_virtuals): Likewise.
4324 (TODO_remove_unused_locals): Likewise.
4325 (TODO_set_props): Likewise.
4326 (TODO_update_stmt_usage): Likewise.
4328 2006-08-13 Dirk Mueller <dmueller@suse.de>
4330 * c-common.c (strict_aliasing_warning): Fix formatting.
4332 2006-08-13 Matthias Klose <doko@debian.org>
4334 * doc/invoke.texi: Fix spelling errors.
4336 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4338 PR rtl-optimization/23454
4339 * reorg.c (relax_delay_slots): Update comment.
4341 2006-08-11 Richard Guenther <rguenther@suse.de>
4344 * simplify-rtx.c (simplify_const_relational_operation):
4345 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4348 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4350 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4351 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4353 2006-08-10 Paul Brook <paul@codesourcery.com>
4355 * final.c (final_scan_insn): Clear current_insn_predicate before
4356 outputting inline asm.
4358 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4360 PR tree-optimization/26197
4361 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4362 get_ref_base_and_extent and overlap_subvar to add only relevant
4363 subvars as may-aliases.
4364 (add_may_alias_for_new_tag): New function, factored out of
4366 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4367 with additional argument.
4368 * tree-flow.h (new_type_alias): Takes additional argument.
4370 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4372 * gcov.c (no_data_file): New flag.
4373 (read_count_file): Set it if data file not present. Assume counts
4375 (output_lines): Don't name the data file, if there wasn't one.
4377 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4379 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4380 (rs6000_generate_compare): Tweak comments.
4381 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4383 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4385 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4386 (var_debug_decl): New function.
4387 (var_reg_set): Follow debug decl link. Add location even if
4388 reg is already known to hold some other variable.
4389 (var_mem_set): Follow debug decl link.
4390 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4391 decl link. Delete other known locations of the variable part
4393 (var_reg_delete, var_mem_delete): Delete other known locations
4394 of the variable part if requested.
4395 (same_variable_part_p): New function.
4396 (add_stores): Select MO_COPY when appropriate.
4397 (vt_initialize): Handle it.
4398 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4399 known locations for MO_SET and MO_CLOBBER.
4400 (find_variable_location_part): New function.
4401 (set_variable_part, delete_variable_part): Use it.
4402 (clobber_variable_part): New function.
4403 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4406 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4408 PR tree-optimization/26969
4409 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4410 with an empty list of PHIs.
4412 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4416 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4419 2006-08-06 Andreas Schwab <schwab@suse.de>
4421 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4422 string. Whitespace and comment fixup.
4424 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4427 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4431 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4434 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4436 2006-08-04 Jan Hubicka <jh@suse.cz>
4440 * reload.c (push_reload): Patch out the mismatching instruction;
4442 (find_reload): Bail out if the instruction was patched out.
4444 2006-08-04 Jan Hubicka <jh@suse.cz>
4446 PR tree-optimization/24888
4447 * tree-inline.c (expand_call_inline): Do not re-record variables.
4448 (declare_inline_vars): Add variable to unexpanded_var_list.
4450 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4451 Roger Sayle <roger@eyesopen.com>
4453 PR rtl-optimization/26244
4454 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4455 inner_const are negative or greater than or equal to the bitsize of
4456 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4457 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4458 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4459 CONST0_RTX (mode) when the new shift count is greater than or equal to
4460 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4463 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4465 * tree-cfg.c: Fix a comment typo.
4467 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4470 * varasm.c (output_constant): Give the front end another chance to
4471 expand constants, after stripping NOPs.
4473 2006-08-03 Jan Hubicka <jh@suse.cz>
4475 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4478 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4480 PR tree-optimization/27770
4481 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4482 declaration removed (moved to tree-flow.h).
4483 (vect_can_force_dr_alignment_p): Likewise.
4484 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4485 (moved from tree-vectorizer.h).
4486 (vect_can_force_dr_alignment_p): Likewise.
4487 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4488 from outside the vectorizer - in particular from cgraph stage.
4489 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4490 the alignment of global arrays when -fsection-anchors is enabled.
4491 * cgraphunit.c (cgraph_increase_alignment): New function.
4492 (cgraph_optimize): Call cgraph_increase_alignment.
4494 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4497 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4498 not reload a SPE symbol_ref into a lo_sum address.
4500 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4503 * dwarf2out.c (prune_unused_types_prune): Move call to
4504 prune_unused_types_update_strings to cover the parent DIE also.
4506 2006-08-02 Jan Hubicka <jh@suse.cz>
4508 PR gcov/profile/28480
4509 * tree-cfg.c (change_bb_for_stmt): New function.
4510 (tree_merge_blocks, tree_split_blocks): Use it.
4512 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4518 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4519 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4520 (cgraph_optimize): Likewise.
4522 2006-08-01 Stuart Hastings <stuart@apple.com>
4524 * rtl.h (UINTVAL) New.
4525 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4526 * testsuite/gcc.dg/20060801-1.c: New.
4528 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4531 * c-typeck.c (build_external_type): Mark used enum types.
4532 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4534 (gen_subprogram_die): Whitespace fix.
4536 2006-08-01 Jan Hubicka <jh@suse.cz>
4538 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4539 bitmap when not needed.
4540 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4543 2006-08-01 Dirk Mueller <dmueller@suse.de>
4545 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4547 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4549 * Makefile.in: Revert part of previous patch:
4550 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4553 2006-07-30 Eric Christopher <echristo@apple.com>
4556 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4557 (PowerPC Variable Attributes): New section.
4559 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4561 PR target/28126 (partial fix)
4562 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4564 2006-07-28 Jan Hubicka <jh@suse.cz>
4566 PR rtl-optimization/28071
4567 * cfgrtl.c (rtl_delete_block): Free regsets.
4568 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4570 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4572 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4573 and variables used in dependencies.
4575 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4577 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4578 %fs for -mcmodel=kernel.
4579 (stack_tls_protect_test_di): Likewise.
4581 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4583 * Makefile.in: Use mkinstalldirs.
4585 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4588 * opts-common.c (prune_options): Skip joined switches.
4590 2006-07-27 Jan Hubicka <jh@suse.cz>
4592 PR rtl-optimization/28071
4593 * cselib.c (cselib_process_insn): Don't remove useless values too
4594 often for very large hashtables.
4596 2006-07-27 Jan Hubicka <jh@suse.cz>
4598 PR rtl-optimization/28071
4599 * global.c (greg_obstack): New obstack.
4600 (allocate_bb_info): Use it.
4601 (free_bb_info): Likewise.
4602 (modify_reg_pav): Likewise.
4604 2006-07-27 Roger Sayle <roger@eyesopen.com>
4606 * builtins.c (fold_fixed_mathfn): When long and long long are the
4607 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4608 functions to their lceil*, lfloor*, lround* and lrint* forms.
4610 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4613 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4615 (rev_branch_insn): Likewise.
4617 2006-07-27 Jan Hubicka <jh@suse.cz>
4619 PR rtl-optimization/28071
4620 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4621 (reg_set_in_bb, max_reg_computed): New static variables.
4622 (regmove_optimize): Free the new array.
4623 (fixup_match_1): Update call of reg_is_remote_constant_p.
4625 2006-07-26 Jan Hubicka <jh@suse.cz>
4627 PR tree-optimization/27882
4628 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4630 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4632 (cgraph_analyze_compilation_unit): Likewise.
4633 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4634 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4635 (cgraph_early_inlinine): Make order garbage collected.
4636 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4638 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4640 * dbxout.c (output_types_sort): Add a comment.
4641 (output_used_types): Free the VEC.
4643 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4645 * function.c (reorder_fix_fragments): Delete.
4646 (reorder_blocks): Don't call it.
4647 (reorder_blocks_1): Put all subblocks under the origin block.
4649 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4651 PR rtl-optimization/27907
4652 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4655 2006-07-25 Roger Sayle <roger@eyesopen.com>
4658 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4659 bar(x) check that bar's result type can represent all the values of T.
4661 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4663 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4665 2006-07-25 Nick Clifton <nickc@redhat.com>
4667 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4668 size_lookup[] array.
4669 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4670 (ggc_pch_count_object): Likewise.
4671 (ggc_pch_alloc_object): Likewise.
4672 (ggc_pch_write_object): Likewise.
4673 (init_ggc): Do not attempt to initialize entries in the
4674 size_lookup[] array for objects whose size is greater than than
4675 the length of the array.
4677 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4679 * dbxout.c (output_used_types_helper): Push queued types
4681 (output_types_sort): New.
4682 (output_used_types): Collect used types on a VEC and sort them
4685 2006-07-24 Richard Guenther <rguenther@suse.de>
4688 * cgraph.c (cgraph_remove_node): Do not check if dumps
4690 * cgraphunit.c (cgraph_optimize): Likewise.
4692 2006-07-24 Jan Hubicka <jh@suse.cz>
4694 PR rtl-optimization/28071
4695 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4696 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4697 splitting before first stmt.
4699 2006-07-24 Jan Hubicka <jh@suse.cz>
4701 PR rtl-optimization/28071
4702 * ipa-inline.c (update_caller_keys): Remove edges that
4703 are no longer inline candidates.
4705 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4708 * dbxout.c (output_used_types_helper, output_used_types): New.
4709 (dbxout_symbol): Call output_used_types.
4711 2006-07-23 Jan Hubicka <jh@suse.cz>
4715 * cgraph.c (cgraph_varpool_nodes): Export.
4716 (decide_is_variable_needed): Ignored "used" attribute in
4717 unit-at-a-time mode.
4718 * cgraph.h (cgraph_varpool_nodes): Declare.
4719 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4720 unit-at-a-time mode.
4722 2006-07-23 Roger Sayle <roger@eyesopen.com>
4725 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4726 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4727 the __gthrw form of thr_keycreate.
4728 (__gthread_key_delete): Silence the unused argument warning.
4730 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4733 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4734 Cache the last found '\0' marker to avoid quadratic behavior.
4736 2006-07-23 Jan Hubicka <jh@suse.cz>
4738 * i386.md (subsi_3_zext): Fix output template.
4740 2006-07-21 Mike Stump <mrs@apple.com>
4742 * doc/invoke.texi (C++ Dialect Options): Note that
4743 -fvisibility-inlines-hidden doesn't affect explicitly
4744 instantiationed inline methods.
4746 2006-07-20 Roger Sayle <roger@eyesopen.com>
4748 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4749 if the target assembler is GNU binutils' gas.
4750 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4751 whether to pass GNU gas or native as command line options.
4753 2006-07-20 Jason Merrill <jason@redhat.com>
4755 * tree.c (remove_attribute): New fn.
4756 * tree.h: Declare it.
4758 2006-07-20 Paul Brook <paul@codesourcery.com>
4761 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4762 they are invalidated by this instruction.
4764 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4767 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4769 2006-07-20 Eric Christopher <echristo@apple.com>
4772 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4774 2006-07-19 Eric Christopher <echristo@apple.com>
4776 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4777 Rewrite dependencies for libgcc_s.1.dylib.
4779 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4781 * except.c (duplicate_eh_regions_1): Clear next_peer.
4783 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4785 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4786 -mlongcall does not guarantee all calls will be long.
4787 * doc/extend.texi (long_call/short_call): Document that longcall
4788 does not guarantee a long call will be used.
4789 (longcall/shortcall): Likewise.
4791 2006-07-18 Roger Sayle <roger@eyesopen.com>
4794 * expmed.c (expand_shift): Additionally check that the shift_cost
4795 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4796 before implementing a LSHIFT_EXPR as a sequence of additions.
4797 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4798 middle-end that DImode shifts need to be synthesized by expand.
4800 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4803 * tree-ssa-operands.c (access_can_touch_variable): Update
4805 Return true if ALIAS is .GLOBAL_VAR.
4807 2006-07-18 David Daney <ddaney@avtrex.com>
4809 * gcc.c (display_help): Fix typo in help text.
4811 2006-07-18 Olivier Hainque <hainque@adacore.com>
4813 * tree.h (categorize_ctor_elements): Adjust prototype and add
4814 descriptive comment, both in accordance with the interface change
4816 * varasm.c (constructor_static_from_elts_p): New function.
4817 Whether a constructor node is a valid static constant initializer
4818 if all its elements are.
4819 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4820 * output.h: Declare it.
4821 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4822 is a valid constant initializer instead of computing the number of
4823 non-constant elements. Use constructor_static_from_elts_p for this
4824 purpose. Replace the head comment with an indication that this is a
4825 helper for categorize_ctor_elements.
4826 (categorize_ctor_elements): Same interface change as for the _1
4827 helper. Former head comment from this helper moved here, adjusted to
4828 account for the interface changes.
4829 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4830 (all_zeros_p): Likewise.
4831 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4832 static versions of the constructor from the categorize_ctor_elements
4833 return value instead of the formerly computed number of non-constant
4836 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4838 * configure: Regenerate.
4839 * Makefile.in (build_libsubdir): New configure substitution
4840 (build_libobjdir): New variable.
4841 (BUILD_LIBIBERTY): Use it.
4843 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4846 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4848 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4851 * c-common.c (handle_weakref_attribute): Ignore attribute in
4852 the same conditions the alias attribute is ignored.
4854 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4856 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4857 (dbxout_begin_prologue): Increment scope_labelno.
4859 2006-07-17 Richard Henderson <rth@redhat.com>
4862 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4865 2006-07-17 Roger Sayle <roger@eyesopen.com>
4866 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4868 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4869 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4870 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4871 functions such as sbrk, write, etc.. Add function prototypes.
4872 Convert function declarations from K&R to ISO C. Cast pointers
4873 to "long" and "unsigned long" instead of "int" and "unsigned int".
4874 Convert tokens following #endif into comments.
4876 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4878 * invoke.texi: Remove mention of f77; Reformat table for
4879 inline parameter options correctly; mention that -malign-double
4880 is default on x86-64 targets.
4882 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4884 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4885 (convert_affine_scev, chrec_convert_aggressive): Use
4886 avoid_arithmetics_in_type_p. Do not check for the subtypes
4889 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4892 * optabs.c (expand_doubleword_shift): Wrap the call to
4893 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4895 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4898 * optabs.c (expand_binop): Pass next_methods rather than methods
4899 to expand_doubleword_shift.
4901 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4904 * tree.h (dump_addr): Declare.
4905 * print-tree.c (dump_addr): New function.
4906 (print_node_brief, print_node): Use it.
4907 * print-rtl.c (print_rtx): Likewise.
4908 * common.opt (-fdump-noaddr): New option.
4909 * doc/invoke.texi (-fdump-noaddr): Document.
4910 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4911 (ve_info_hash): Likewise.
4913 2006-07-13 Andrew Haley <aph@redhat.com>
4915 PR tree-optimization/19505
4916 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4917 edge leaving this block, make sure that the destination of this
4918 block has only one predecessor.
4920 2006-07-17 Richard Guenther <rguenther@suse.de>
4922 PR tree-optimization/28238
4923 * tree-inline.c (copy_bb): Check if we produced valid
4924 gimple copying and substituting a stmt. If not, gimplify
4927 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4929 * optabs.c (maybe_encapsulate_block): New function extracted from...
4930 (emit_libcall_block): ...here. Invoke it on the block of insns to
4931 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4932 (emit_no_conflict_block): Likewise.
4934 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4936 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4938 2006-07-15 Roger Sayle <roger@eyesopen.com>
4940 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4941 a new NOP_EXPR case of the switch statement.
4943 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4946 * stor-layout.c (place_field): Take the bit field with
4947 an excessive size into account in the ms-bitfiled case.
4950 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4951 the previous bit field.
4953 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4956 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4958 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4960 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4961 signal frames correctly even when the signal was installed with
4964 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4966 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4967 (dbxout_function_end): Use local label LFBB. Remove hook
4969 (dbxout_source_line): Use local label LFBB.
4970 (dbxout_block): Likewise.
4971 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4972 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4973 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4974 and DBX_OUTPUT_NFUN.
4976 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4978 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4980 2006-07-13 Jan Hubicka <jh@suse.cz>
4982 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4984 * output.h (align_variable): Declare.
4985 * varasm.c (align_variable): Export.
4986 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4987 when basic block changed.
4989 2006-07-13 Nick Clifton <nickc@redhat.com>
4991 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4992 walking the LOG_LINKS chain.
4994 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4996 * doc/invoke.texi (C++ Dialect Options): Explain difference
4997 between -fvisibility-inlines-hidden and setting hidden
4998 visibility explicitly.
5000 2006-07-12 Eric Christopher <echristo@apple.com>
5002 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5003 (stmp-lipo): Depend on libgcc.a.
5005 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5007 * tree.c: Fix a comment typo.
5009 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5011 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5013 (umulhisi3_r): Likewise.
5015 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5018 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5019 x < 19, vs wchar_t support.
5021 2006-07-12 Nick Clifton <nickc@redhat.com>
5023 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5024 instead of -isa=sh4.
5026 2006-07-12 Mike Stump <mrs@apple.com>
5028 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5030 2006-07-10 Eric Christopher <echristo@apple.com>
5032 * config/t-slibgcc-darwin: Rewrite.
5034 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5037 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5040 2006-07-08 Matthias Klose <doko@debian.org>
5042 * doc/sourcebuild.texi: Fix typo.
5044 2006-07-07 Mike Stump <mrs@apple.com>
5046 * toplev.c (process_options): Don't give -ffunction-sections may
5047 affect debugging warning for Mach-O.
5049 2006-07-07 James E Wilson <wilson@specifix.com>
5051 * config/mips/mips.md (cpu): Add sb1a.
5052 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5053 addition to sb1. Adjust comments to clarify SB-1A differences from
5055 (ir_sb1a_load): New. Modify bypasses to use it.
5056 (ir_sb1a_simple_alu): Likewise.
5057 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5058 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5059 (mips_issue_rate): Add PROCESSOR_SB1A.
5060 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5061 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5062 (TARGET_SB1): Add PROCESSOR_SB1A check.
5063 (TUNE_SB1): Likewise.
5065 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5066 * config/mips/mips.c (mips_store_data_bypass_p): New.
5067 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5068 store_data_bypass_p.
5070 2006-07-08 Paul Brook <paul@codesourcery.com>
5073 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5075 2006-07-07 Richard Guenther <rguenther@suse.de>
5078 * tree.h (build_one_cst): Declare.
5079 * tree.c (build_one_cst): New function.
5080 * tree-ssa-math-opts.c (get_constant_one): Remove.
5081 (insert_reciprocals): Use build_one_cst.
5082 * fold-const.c (fold_plusminus_mult): Likewise.
5084 2006-07-07 Roger Sayle <roger@eyesopen.com>
5086 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5087 * cfgloopanal.c (dump_graph): Likewise.
5088 * dojump.c (discard_pending_stack_adjust): Likewise.
5089 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5091 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5092 * function.c (finalize_block_changes): Likewise.
5093 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5094 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5095 * rtl.c (dump_rtx_statistics): Likewise.
5096 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5098 * varray.c (dump_varray_statistics): Likewise.
5099 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5100 decode_decimal64, encode_decimal128, decode_decimal128,
5101 decimal_real_to_decimal): Likewise.
5103 2006-07-07 Richard Guenther <rguenther@suse.de>
5105 PR tree-optimization/28187
5106 * tree-vrp.c (vrp_operand_equal_p): New function.
5107 (vrp_bitmap_equal_p): Likewise.
5108 (update_value_range): Use them to compare old and new
5111 2006-07-06 Roger Sayle <roger@eyesopen.com>
5113 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5114 a default case to switch statement to silence compiler warnings.
5116 2006-07-06 Roger Sayle <roger@eyesopen.com>
5119 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5120 the configured assembler supports the x87's ffreep mnemonic.
5121 * configure: Regenerate.
5122 * config.in: Regenerate.
5124 * config/i386/i386.c (output_387_ffreep): New function.
5125 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5126 (output_387_reg_move): Likewise.
5128 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5130 Port to hosts whose 'sort' and 'tail' implementations
5131 treat operands with leading '+' as file names, as POSIX
5132 has required since 2001. However, make sure the code still
5133 works on pre-POSIX hosts.
5134 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5135 which says you should use "tail -c +N" rather than "tail +Nc".
5136 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5138 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5140 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5143 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5146 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5147 PRE_{INC,DEC} of TFmode.
5149 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5150 Alan Modra <amodra@bigpond.net.au>
5153 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5156 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5159 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5160 Remove duplicate gtu.
5162 2006-07-05 Jason Merrill <jason@redhat.com>
5166 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5167 * c-common.c (handle_packed_attribute): So don't copy it here.
5168 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5170 2006-07-05 Mike Stump <mrs@apple.com>
5172 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5174 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5177 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5179 2006-07-05 Richard Guenther <rguenther@suse.de>
5182 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5183 TARGET_SSE2 targets if using SSE math.
5184 (*absdf2_1): Likewise.
5186 2006-07-05 Richard Guenther <rguenther@suse.de>
5188 PR tree-optimization/28162
5189 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5190 make sure to convert the operands to the correct type.
5192 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5194 PR tree-optimization/28218
5196 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5197 to calculate and free the dominator information.
5199 2006-07-04 Peter O'Gorman <peter@pogma.com>
5201 * mklibgcc.in: chmod 644 before ranlib during install.
5203 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5204 J"orn Rennecke <joern.rennecke@st.com>
5206 * configure.ac (.eh_frame data check): Use diff -b.
5208 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5211 * Makefile.in (BUILD_RTL): Add build/vec.o.
5212 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5213 (build/genextract): Delete.
5214 (build/genautomata): Likewise.
5216 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5219 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5220 128-bit IBM long doubles for ABI_V4.
5222 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5224 * tree.c (range_in_array_bounds_p): New predicate.
5225 * tree.h (range_in_array_bounds_p): Declare it.
5226 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5227 return a less conservative answer.
5228 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5229 and flag 'is_group'.
5230 (IS_ELEMENT_FOR_GROUP): New macro.
5231 (FOR_EACH_ACTUAL_CHILD): Likewise.
5232 (next_child_for_group): New helper function.
5233 (can_completely_scalarize_p): Take into account groups.
5234 (sra_hash_tree): Handle RANGE_EXPR.
5235 (sra_elt_eq): Likewise.
5236 (lookup_element): Be prepared for handling groups.
5237 (is_valid_const_index): Delete.
5238 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5239 instead of is_valid_const_index.
5240 <ARRAY_RANGE_REF>: New case.
5241 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5242 is_valid_const_index.
5243 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5244 (scan_dump): Dump info for groups too.
5245 (decide_instantiation_1): Likewise.
5246 (decide_block_copy): Assert that the element is not a group.
5247 Propagate decision to groups.
5248 (generate_one_element_ref): Handle RANGE_EXPR.
5249 (mark_no_warning): Iterate over actual childs.
5250 (generate_copy_inout): Likewise.
5251 (generate_element_copy): Likewise.
5252 (generate_element_zero): Likewise.
5253 (generate_element_init_1): Likewise.
5254 (dump_sra_elt_name): Handle RANGE_EXPR.
5256 2006-07-03 Roger Sayle <roger@eyesopen.com>
5258 PR tree-optimization/26251
5259 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5260 (thread_block): When optimizing for size refuse to thread jumps
5261 that would require duplication of blocks other than redirection
5264 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5266 * configure.ac: Fix thinko in previous check-in.
5267 * configure: Regenerate.
5269 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5272 * configure.ac (for lang...): Simplify nesting of conditionals.
5273 Test subdir_requires for non-enabled languages. Move processing
5274 of lang_opt_files and lang_tree_fiels below that test.
5275 * configure: Regenerate.
5276 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5278 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5280 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5282 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5284 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5287 2006-06-29 Jason Merrill <jason@redhat.com>
5294 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5295 * c-common.c (c_determine_visibility): Handle it here.
5296 * c-decl.c (finish_decl): Call c_determine_visibility for
5298 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5300 * varasm.c (default_assemble_visibility): Likewise.
5301 * c-common.c (handle_visibility_attribute): Complain about trying
5302 to give visibility to an already defined class, or trying to change
5303 declared visibility. Always attach the attribute.
5308 * attribs.c (decl_attributes): Ignore type-in-place attributes
5309 once the type has been defined.
5311 2006-06-29 Roger Sayle <roger@eyesopen.com>
5314 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5315 to indicate the cpplib has issued an error message for us.
5317 2006-06-29 Asher Langton <langton2@llnl.gov>
5320 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5321 insert a label at the end of an function under Mach-O.
5323 2006-06-29 Eric Christopher <echristo@apple.com>
5324 Evan Cheng <evan.cheng@apple.com>
5326 * predicates.md (vector_all_ones_operand): New.
5327 (nonimmediate_or_sse_const_operand): Ditto.
5328 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5329 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5330 (standard_sse_mode_p): Ditto.
5331 (standard_sse_constant_p): Add case for -1 vector.
5332 (ix86_expand_vector_move): Try to use.
5333 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5334 Call standard_sse_constant_opcode.
5335 (*movv4sf_internal): Ditto.
5336 (*movv2df_internal): Ditto.
5338 2006-06-29 Roger Sayle <roger@eyesopen.com>
5340 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5341 of XEXP to extract the operands of a MATCH_CODE rtx.
5343 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5345 * tree.c (tree_size): Do not waste tail padding in
5346 struct tree_string and make the size be the same as
5347 build_string will generate.
5349 2006-06-28 Jason Merrill <jason@redhat.com>
5352 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5353 may_aliases already in the tag's annotations to the bitmap.
5355 2006-06-28 Roger Sayle <roger@eyesopen.com>
5357 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5359 2006-06-28 Roger Sayle <roger@eyesopen.com>
5361 * genpreds.c (generate_switch_p): New function.
5362 (add_mode_tests): Push the new mode test down inside an AND expr
5363 if this allows the switch-suitable MATCH_CODE to be near the root.
5364 (write_match_code_switch): New function to write a MATCH_CODE as
5366 (write_predicate_stmts): New function to write a predicate RTX
5367 expression as a sequence of statements.
5368 (write_one_predicate_function): Use write_predicate_stmts.
5369 (write_tm_constrs_h): Likewise.
5371 2006-06-26 Fred Fish <fnf@specifix.com>
5373 * config/mips/t-sb1: New file.
5374 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5377 2006-06-26 DJ Delorie <dj@redhat.com>
5379 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5381 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5382 Jayant Sonar <jayants@kpitcummins.com>
5383 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5385 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5386 (subsi3, subsi3_1, subsi3_2): New.
5387 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5388 * config/m32c/mov.md (SI mov peephole): New.
5389 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5390 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5392 2006-06-26 Olivier Hainque <hainque@adacore.com>
5394 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5395 a CALL_EXPR target function declaration.
5397 2006-06-26 Richard Guenther <rguenther@suse.de>
5399 * tree.c (build_string): Do not waste tail padding in
5402 2006-06-26 Richard Guenther <rguenther@suse.de>
5404 * ggc-page.c (init_ggc): Add missing element to size_lookup
5408 2006-06-23 Richard Guenther <rguenther@suse.de>
5410 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5411 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5412 alignment requests instead. Add verification code.
5413 Add struct tree_function_decl and struct tree_binfo size to
5414 extra_order_size_table. Add missing element to size_lookup
5417 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5420 * fold-const.c (const_binop): Be prepared for self returning zero.
5421 Simplify code handling complex values.
5423 2006-06-24 Olivier Hainque <hainque@adacore.com>
5425 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5426 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5429 2006-06-24 Olivier Hainque <hainque@adacore.com>
5431 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5432 ARRAY_REF, so have the callback called for the low bound expression.
5434 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5436 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5437 * c-typeck.c (c_common_type): Disallow operations on decimal float
5438 types and other float types.
5439 * convert.c (convert_to_real): Don't ignore conversions involving
5440 decimal float types.
5442 2006-06-23 Olivier Hainque <hainque@adacore.com>
5444 * tree.c (max_int_size_in_bytes): New function, inspired from
5445 code in function.c:assign_temp.
5446 * tree.h (max_int_size_in_bytes): Declare.
5447 * function.c (assign_temp): Use it.
5448 * gimplify.c (create_tmp_var): Relax the assertions on the type
5449 properties, not mandating constant size any more.
5450 (force_constant_size): New static function.
5451 (gimple_add_tmp_var): Use it, forcing variable size to a
5452 constant upper bound if it is not constant on entry.
5454 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5457 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5458 for initialization and setting of one_only flag to ...
5459 (i386_pe_encode_section_info): ...here.
5460 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5461 Recheck that the symbol has not been defined.
5463 2006-06-23 Richard Guenther <rguenther@suse.de>
5465 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5466 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5467 alignment requests instead. Add verification code.
5468 Add struct tree_function_decl and struct tree_binfo size to
5469 extra_order_size_table. Add missing element to size_lookup
5472 2006-06-22 Roger Sayle <roger@eyesopen.com>
5473 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5476 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5477 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5479 2006-06-23 Ben Elliston <bje@au.ibm.com>
5481 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5482 negate dn -- manipulate it directly.
5484 2006-06-22 Roger Sayle <roger@eyesopen.com>
5485 Steven Bosscher <stevenb.gcc@gmail.com>
5488 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5489 generated by gen_move_insn to add REG_LABEL notes if necessary.
5491 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5493 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5494 (leaf_entry): Remove use of MIN_ESA.
5496 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5498 PR rtl-optimization/28121
5499 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5502 2006-06-21 DJ Delorie <dj@redhat.com>
5504 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5506 (mulhisi3_r): Likewise.
5508 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5511 * coverage.c (coverage_counter_alloc): Leave the index type
5513 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5516 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5518 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5519 section from the "Options for Code Generation Conventions".
5521 2006-06-21 Richard Henderson <rth@redhat.com>
5525 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5527 (global_symbolic_operand): Allow weak symbols, even if local_p.
5529 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5531 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5532 (find_interesting_uses_address): Punt if above function returns true.
5534 2006-06-21 Richard Guenther <rguenther@suse.de>
5536 * configure: Regenerated.
5538 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5540 * config/mips/mips.c (function_arg): Where one part of a
5541 complex argument is in registers and the other part in the stack,
5542 return a REG not a PARALLEL.
5544 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5546 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5547 when cross-compiling. Do not substitute libstdcxx_incdir.
5548 * configure: Regenerated.
5550 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5552 * varasm.c (mergeable_string_section): Check for embedded NULs and
5553 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5554 rather than TREE_STRING_LENGTH bytes.
5556 2006-06-21 Richard Guenther <rguenther@suse.de>
5558 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5559 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5562 2006-06-21 Richrad Guenther <rguenther@suse.de>
5564 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5565 Limit iteration over the dominators.
5567 2006-06-20 Roger Sayle <roger@eyesopen.com>
5569 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5570 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5572 2006-06-20 Richard Guenther <rguenther@suse.de>
5573 Michael Matz <matz@suse.de>
5575 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5577 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5578 * et-forest.h (et_free_pools): Prototype new function.
5579 * et-forest.c (et_free_tree_force): Free parent occurrence.
5580 (et_free_pools): New function.
5581 * dominance.c (free_dominance_info): Free et-forest alloc
5584 2006-06-20 Roger Sayle <roger@eyesopen.com>
5586 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5587 integer modes, attempt to directly construct an integer constant.
5589 * fold-const.c (native_encode_vector): Determine the size of each
5590 element from the vector type instead of the first vector element.
5592 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5593 if all of its elements/components are constant.
5594 (build_constructor_from_list): Likewise.
5596 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5598 PR tree-optimization/27331
5599 * tree-data-ref.c (free_data_ref): New function.
5600 (create_data_ref): Fail if the data reference has unknown access
5602 (free_data_refs): Use free_data_ref.
5604 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5607 * tree-inline.c (setup_one_parameter): Strip useless
5608 type conversion before adding it to the IR.
5609 (declare_return_variable): Likewise.
5611 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5614 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5616 2006-06-19 Mike Stump <mrs@apple.com>
5618 * tree.c (variably_modified_type_p): VM arguments don't make the
5621 2006-06-19 Richard Guenther <rguenther@suse.de>
5623 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5624 type conversions after folding.
5626 2006-06-19 Richard Guenther <rguenther@suse.de>
5628 * ggc-page.c (extra_order_size_tab): Add entries with
5629 size of struct function and basic_block.
5630 (size_lookup): Extend to cover sizes up to 511.
5631 (ggc_alloc_stat): Adjust user.
5632 (ggc_pch_count_object): Likewise.
5633 (ggc_pch_alloc_object): Likewise.
5634 (ggc_pch_write_object): Likewise.
5636 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5638 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5639 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5642 2006-06-19 Denis Chertykov <denisc@overta.ru>
5644 * config/avr/libgcc.S : Correct my wrong previous commit.
5646 2006-06-19 Roger Sayle <roger@eyesopen.com>
5649 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5650 have stripped a SUBREG from the shift count, so we may need to
5651 convert_to_mode back to the type's mode before calling make_tree.
5652 Use new_amount instead of amount to avoid expanding a tree twice.
5654 2006-06-19 Richard Guenther <rguenther@suse.de>
5657 * fold-const.c (operand_equal_p): Check if the argument types
5658 have the same precision before stripping NOPs.
5660 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5662 Fix PR tree-optimization/27341
5663 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5665 * tree-complex.c (pass_lower_complex): Update SMT usage.
5667 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5669 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5670 Add a new alternative to the constraint strings. Add move of
5671 operand 1 to 3 to the splitter definition.
5672 ("doloop_si_long"): Second contraint alternative removed.
5674 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5676 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5677 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5679 (AVR_HAVE_MOVW) Define.
5680 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5681 (ASM_SPEC): Add avr25.
5682 (LINK_SPEC): Add avr25.
5683 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5684 (base_arch_s): Add new member 'have_movw_lpmx'.
5685 (avr_arch_types): Init 'have_movw_lpmx'.
5686 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5687 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5688 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5689 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5690 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5692 (avr_file_start): Do not output '.arh' derective.
5693 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5694 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5695 * config/avr/avr.md (mcu_enhanced): Delete.
5696 (mcu_have_movw): Define.
5697 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5698 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5699 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5700 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5701 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5702 attiny861 and at86rf401 devices.
5704 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5706 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5709 2006-06-17 Karl Berry <karl@gnu.org>
5711 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5712 doc/gccint.texi, doc/install.texi (@dircategory): Use
5713 "Software development" instead of "Programming", following
5714 the Free Software Directory.
5716 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5718 * config/i386/i386.c (legitimate_tls_address)
5719 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5720 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5721 (*tls_dynamic_gnu2_combine_64): Likewise.
5723 2006-06-16 Richard Guenther <rguenther@suse.de>
5726 * fold-const.c (negate_expr_p): Do not introduce undefined
5727 overflow in negating INTEGER_CSTs.
5728 (fold_negate_expr): Rename from negate_expr. Revert last
5729 change for folding BIT_NOT_EXPR. Change semantics to
5730 return NULL_TREE for non-simplified negations. Do not
5731 strip type conversions and unify type handling.
5732 (negate_expr): New function, wrap around fold_negate_expr
5733 but ensure building a tree always. Strip type conversions
5734 here, fold to result type.
5735 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5737 2006-06-16 Roger Sayle <roger@eyesopen.com>
5740 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5741 that (would) return their results in stack registers.
5743 2006-06-16 Michael Matz <matz@suse.de>
5744 Richard Guenther <rguenther@suse.de>
5746 * fold-const.c (fold_truthop): Only return new tree node if
5747 we canonicalized something.
5749 2006-06-16 Richard Guenther <rguenther@suse.de>
5751 * function.h (enum function_frequency): Move declaration
5752 out of struct function.
5753 (struct function): Move bool fields and the enum to the bitfield
5754 section. Reorder elements to avoid padding. Remove unused
5755 fields left over from the RTL inliner removal.
5756 * function.c (free_after_compilation): Do not zero removed fields.
5757 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5758 (ipa-type-escape.o): Likewise.
5760 2006-06-16 Richard Guenther <rguenther@suse.de>
5762 * cgraph.h (struct cgraph_local_info): Turn bool elements
5764 (struct cgraph_node): Likewise.
5765 (struct cgraph_varpool_node): Likewise.
5767 2006-06-15 Richard Guenther <rguenther@suse.de>
5769 * fold-const.c (fold_truth_not_expr): Rename from
5770 invert_truthvalue. Give it fold_* semantics to avoid
5772 (invert_truthvalue): New function. Wrapper around
5773 fold_truth_not_expr.
5774 (optimize_minmax_comparison): Avoid creating garbage.
5775 (fold_unary): Use fold_truth_not_expr for folding
5777 (fold_ternary): Replace uses of invert_truthvalue with
5778 fold_truth_not_expr where applicable.
5779 * tree.h (fold_truth_not_expr): Prototype.
5781 2006-06-16 Richard Guenther <rguenther@suse.de>
5783 PR tree-optimization/27781
5784 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5785 * ipa-pure-const.c (target.h): Include.
5786 (analyze_function): Do not analyze functions that do not
5789 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5792 * tree-dfa.c (referenced_vars_dup_list): Remove.
5793 (find_referenced_vars): Remove assert.
5794 (referenced_var_check_and_insert): Replace dup list with assert.
5795 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5796 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5798 2006-06-15 Richard Guenther <rguenther@suse.de>
5800 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5801 extra unused identifiers if not dumping.
5802 (create_variable_info_for): Likewise.
5804 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5806 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5807 (derive_constant_upper_bound): Derive more precise upper bound in
5808 common cases. Return type changed to double_int.
5809 (record_estimate): Reflect the changed return type of
5810 derive_constant_upper_bound.
5811 * double-int.c (double_int_zext, double_int_sext): Fix.
5813 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5815 * configure.ac (CFLAGS): Get them from the toplevel or from the
5816 configure invocation.
5817 * configure: Regenerate.
5818 * Makefile.in (CFLAGS): Substitute value provided by configure.
5820 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5823 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5824 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5825 rather than calling add_stmt on it.
5826 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5828 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5831 * reload1.c (reload): Remove registers returned by update_eliminables
5832 from used_spill_regs.
5834 2006-06-13 DJ Delorie <dj@redhat.com>
5836 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5838 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5840 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5841 html__strip_dir, html__mkdir_p. Enhance install-html target.
5842 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5843 * configure: Regenerate.
5845 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5847 * fold-const.c (fold_cond_expr_with_comparison): Check for
5848 Objective-C++ as language in deciding COND_EXPR transformation.
5850 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5853 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5854 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5855 * config/sh/lib1funcs.h (SL, SL1): Define.
5856 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5857 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5858 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5859 (OBJS_Os_4_200): New variable.
5860 ($(T)libgcc-Os-4-200.a): Use it.
5861 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5862 when dividing 1 and/or by 0.
5864 2006-06-13 Roger Sayle <roger@eyesopen.com>
5866 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5867 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5868 * configure: Regenerate.
5870 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5872 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5873 for real instruction.
5875 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5878 * haifa-sched.c (check_cfg): Handle special case.
5880 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5883 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5884 Add debug_info parameter. Chain the vars to the BLOCK instead
5885 of the BIND_EXPR if debug info are requested for them.
5886 (pop_gimplify_context): Adjust for above change.
5887 (gimple_add_tmp_var): Likewise.
5888 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5890 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5891 (convert_local_reference): Likewise.
5892 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5893 (finalize_nesting_tree_1): Request that debug info be emitted
5894 for debug_var_chain.
5896 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5898 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5899 for PR target/27863.
5901 2006-06-13 Richard Guenther <rguenther@suse.de>
5904 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5906 2006-06-13 Richard Guenther <rguenther@suse.de>
5908 PR tree-optimization/27830
5909 * tree-inline.c (copy_body_r): For copying the operand
5910 of an ADDR_EXPR make sure to fold &* afterwards.
5912 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5914 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5915 lvalues in the fb_none case with side-effects.
5917 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5919 * tree-flow.h: Remove the prototype for
5920 compute_phi_arg_on_exit.
5921 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5922 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5925 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5927 * builtins.c (expand_builtin_return_addr): Only use
5928 frame_pointer_rtx when count == 0 and we are expanding
5929 __builtin_return_address.
5931 2006-06-12 Fred Fish <fnf@specifix.com>
5933 * config/mips/mips.c (mips_file_start): Create special section
5934 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5936 2006-06-11 Eric Christopher <echristo@apple.com>
5939 * stor-layout.c (place_field): Remove check for
5940 remaining_in_alignment when aligning at the end of a run.
5942 2006-06-11 Eric Christopher <echristo@apple.com>
5945 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5948 2006-06-11 Roger Sayle <roger@eyesopen.com>
5951 Revert incorrect fix for PR target/27158
5952 2006-05-08 Roger Sayle <roger@eyesopen.com>
5953 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5954 of a reg_equiv_constant if the result is a legitimate constant.
5956 2006-06-11 Roger Sayle <roger@eyesopen.com>
5959 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5960 extract a CONST_VECTOR element and interpret it as an integer.
5961 (vspltis_constant): Use const_vector_elt_as_int instead of the
5962 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5963 * config/rs6000/predicates.md (easy_vector_const): Consider
5964 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5966 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5969 * stor-layout.c (update_alignment_for_field): Don't add extra
5970 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5973 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5975 * config/mips/t-rtems: Add EL/EB multilib variants.
5977 2006-06-09 Mike Stump <mrs@apple.com>
5979 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5981 2006-06-09 David Daney <ddaney@avtrex.com>
5983 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5985 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5987 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5989 2006-06-09 Richard Guenther <rguenther@suse.de>
5991 PR tree-optimization/26998
5992 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5993 of signed types, only TYPE_MIN_VALUE is special, but for both,
5994 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5995 in this case, as is -fwrapv.
5997 2006-06-08 Mike Stump <mrs@apple.com>
6000 * config/darwin.c (darwin_asm_output_anchor): Disable
6001 -fsection-anchors on darwin for now.
6002 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6003 * rs6000/rs6000.c (optimization_options): Likewise.
6005 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6008 * config/i386/i386.c (classify_argument): Skip fields with invalid
6011 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6013 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6014 (cse_insn): Likewise for the stack_pointer_rtx.
6016 2006-06-08 Roger Sayle <roger@eyesopen.com>
6018 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6019 conditions from floating point comparisons.
6021 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6024 * expmed.c (struct alg_hash_entry): Fix type of field T
6025 to match synth_mult argument.
6026 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6028 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6031 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6034 2006-06-08 Richard Guenther <rguenther@suse.de>
6037 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6038 only, if overflow is defined and not trapping.
6039 (negate_expr): Likewise.
6041 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6043 PR tree-optimization/27872
6044 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6045 flag on the new exit edge of the unrolled loop.
6047 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6049 PR rtl-optimization/26449
6050 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6052 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6055 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6056 referenced_variables with matching DECL_UID's.
6057 (find_referenced_vars): Make sure duplicate list is empty to start.
6058 (referenced_var_p): Remove.
6059 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6060 Check if var is in the list, and add if needed. Update the duplicate
6061 list if a different var is in the list with the same DECL_UID.
6062 (add_referenced_var): Call routine to check and insert.
6063 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6064 * tree-flow.h (referenced_vars_dup_list): External declaration.
6066 2006-06-07 Fred Fish <fnf@specifix.com>
6068 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6071 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6074 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6075 the imaginary and real parts of a clobbered register.
6076 Emit insn to set the imaginary part.
6078 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6080 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6081 in lieu of unwind-dw2-fde.c.
6083 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6085 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6087 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6090 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6091 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6092 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6093 V4SImode temporaries and operations instead.
6095 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6097 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6100 2006-06-06 Mike Stump <mrs@apple.com>
6102 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6103 installing during build.
6105 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6107 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6109 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6110 * config/ia64/ia64.c (params.h): New header.
6111 (ia64_optimization_options): New function to adjust parameters.
6112 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6113 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6114 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6116 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6118 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6120 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6123 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6125 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6126 Victor Kaplansky <victork@il.ibm.com>
6128 PR tree-optimization/26360
6129 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6132 2006-06-04 Roger Sayle <roger@eyesopen.com>
6133 Andrew Pinski <pinskia@physics.uc.edu>
6136 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6137 for LABEL_DECL before calling DECL_WEAK.
6140 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6141 LABEL_DECL and PARM_DECL.
6143 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6147 * c-decl.c (grokdeclarator): Disallow variably modified types at
6148 file scope. Avoid marking shared array type of constant size as
6151 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6154 * c-common.c (fold_offsetof_1): Handle static members.
6156 2006-06-04 Eric Christopher <echristo@apple.com>
6158 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6159 (debug_rli): Output value for remaining_in_alignment.
6160 (update_alignment_for_field): Unconditionalize
6161 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6162 extra alignment code.
6163 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6164 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6165 * tree.h (record_layout_info_s): Remove prev_packed.
6166 * doc/extend.texi (ms_struct): Add documentation of format.
6168 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6170 * tree.h: Declare folding_initializer.
6171 * builtins.c (fold_builtin_constant_p): Give definite answer
6172 if folding inside an initializer.
6173 * fold-const.c: Define folding_initializer.
6174 (START_FOLD_INIT): Save and then set folding_initializer.
6175 (END_FOLD_INIT): Restore folding_initializer.
6177 2006-06-04 Richard Guenther <rguenther@suse.de>
6179 PR tree-optimization/27039
6180 * fold-const.c (fold_comparison): Handle pointer comparison
6181 again for all comparison codes. Compare offsets in signed
6183 (fold_binary): Move code from here.
6185 2006-06-03 Roger Sayle <roger@eyesopen.com>
6188 * config/i386/i386.c (construct_container): Split static issued_error
6189 flag into issued_sse_arg_error, issued_sse_ret_error and
6190 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6191 requires the use of x87 registers and the user explicitly
6192 specified the -mno-80387 command line option.
6194 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6196 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6197 HAVE_DECL_SIGALTSTACK.
6199 (segv_handler): Use MC_FLD.
6200 * configure.ac: Check for a sigaltstack declaration.
6201 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6202 * configure: Regenerate.
6203 * config.in: Regenerate.
6205 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6208 * Makefile.in (stmp-fixinc): Fix typo.
6210 2006-06-02 Roger Sayle <roger@eyesopen.com>
6212 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6213 are type correct. Clean-up.
6214 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6215 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6217 2006-06-01 DJ Delorie <dj@redhat.com>
6219 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6220 shift, as we've disabled the "switch" insn that needs it.
6222 2006-06-01 Per Bothner <bothner@bothner.com>
6224 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6225 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6226 * c-ppoutput.c (cb_define): Don't increment line 0.
6228 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6230 * doc/invoke.texi: Add cpu_type power6.
6231 * config.gcc: Add cpu_type power6.
6232 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6233 to power5+ with Altivec.
6234 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6235 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6237 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6239 * config/avr/avr.h (SET_ASM_OP): Define.
6241 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6243 * config/bfin/bfin.c: Fix comment typos.
6245 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6248 * doc/install.texi: Document --enable-bootstrap and
6249 --disable-bootstrap.
6251 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6253 * doc/install.texi: Document that InfoZIP can replace jar.
6255 2006-05-31 Roger Sayle <roger@eyesopen.com>
6257 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6258 isn't available, directly generate the simpler x87 patterns without
6259 the (use (const_int 0)).
6260 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6261 implementation isn't available.
6262 (*negdf2_1): Likewise.
6263 (*negxf2_1): XF mode negation is always done using the x87.
6264 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6266 2006-05-31 Roger Sayle <roger@eyesopen.com>
6268 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6269 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6271 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6273 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6275 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6276 * config/bfin/bfin.c (basic-block.h): Include.
6277 (struct machine_function): New.
6278 (bfin_init_machine_status): New.
6279 (override_options): Initialize init_machine_status.
6280 (bfin_hardware_loop): New.
6281 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6282 (DEF_VEC_P (loop_info)): New.
6283 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6284 (struct loop_info): New.
6285 (loop_info): New typedef.
6286 (struct loop_work): New.
6287 (loop_work): New typedef.
6288 (DEF_VEC_O (loop_work)): New.
6289 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6290 (bfin_dump_loops): New.
6291 (bfin_bb_in_loop): New.
6292 (bfin_scan_loop): New.
6293 (bfin_optimize_loop): New.
6294 (bfin_reorg_loops): New.
6295 (bfin_reorg): Use bfin_reorg_loops.
6296 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6298 (I_REGNO_P): Simplify.
6299 (DP_REGNO_P, DPREG_P): New macros.
6300 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6301 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6302 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6303 Add LT_REGS, LC_REGS, LB_REGS.
6304 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6306 (REGNO_REG_CLASS): Deal with loop registers.
6307 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6309 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6310 New constants for loop registers.
6311 (UNSPEC_LSETUP_END): New.
6312 (seq_insns): New define_attr. Set it for appropriate insns.
6313 (movsi_insn): Add alternatives for move from/to
6314 loop count registers.
6315 (doloop_end): New define_expand.
6316 (loop_end): New define_insn.
6317 (define_split for bad doloop_end): New.
6318 (lsetup_with_autoinit): New define_insn.
6319 (lsetup_without_autoinit): New define_insn.
6320 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6321 * config/bfin/predicates.md (lc_register_operand): New.
6322 (lt_register_operand): New.
6323 (lb_register_operand): New.
6324 (nondp_register_operand): New.
6325 (nondp_reg_or_memory_operand): New.
6326 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6328 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6330 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6331 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6333 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6335 * Makefile.in (CATALOGS): Add po/ prefix.
6336 * configure: Regenerated.
6338 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6341 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6342 a shift operand before calling shift_op. Avoid redundant call of
6345 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6346 DJ Delorie <dj@redhat.com>
6348 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6349 we're inserting is a singlt-bit constant.
6351 2006-05-30 Roger Sayle <roger@eyesopen.com>
6353 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6354 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6356 2006-05-30 Roger Sayle <roger@eyesopen.com>
6358 PR tree-optimization/23452
6359 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6360 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6361 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6362 complex values and with -ffast-math for FP complex values.
6364 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6366 * c-common.h: Remove the prototype for yyparse.
6367 * rtl.h: Remove the prototype for init_loop.
6369 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6371 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6374 2006-05-30 Roger Sayle <roger@eyesopen.com>
6376 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6378 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6379 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6381 2006-05-30 Dirk Mueller <dmueller@suse.de>
6384 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6385 for CONSTANT_CLASS_P expresisons.
6387 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6390 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6392 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6394 PR tree-optimization/27779
6395 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6396 initial_condition instead of CHREC_LEFT.
6398 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6400 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6401 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6402 Make prototypes ISO C90.
6404 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6405 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6407 * see.c (see_analyze_one_def): Correct check.
6408 (see_get_extension_data): Check if extension is parallel.
6409 (see_get_extension_reg): Likewise.
6411 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6414 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6415 into register for (code == GTU).
6417 2006-05-29 Roger Sayle <roger@eyesopen.com>
6419 PR tree-optimization/24964
6420 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6421 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6422 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6423 abs(x)*abs(x) as x*x for scalar floating point modes.
6425 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6428 * lambda-code.c (perfect_nestify): Don't copy statements
6429 in the inner loop: move them to the inner loop header.
6431 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6434 * c-tree.texi: Document OpenMP directives and clauses.
6436 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6438 * varasm.c (globalize_decl): Fix indentation.
6440 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6443 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6444 pass_fre, pass_store_ccp, pass_copy_prop,
6445 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6446 pass_return_slot, pass_object_size, pass_lim,
6447 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6448 pass_loop_prefetch and pass_stdarg.
6450 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6452 * config/bfin/bfin.opt (mfdpic): New option.
6453 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6454 (EXTRA_MULTILIB_PARTS): Likewise.
6455 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6456 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6458 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6459 (CRT_CALL_STATIC_FUNCTION): New.
6460 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6462 (CRT_CALL_STATIC_FUNCTION): New.
6463 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6465 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6466 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6467 (initialize_trampoline): Changed to handle FD-PIC code generation.
6468 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6469 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6470 (override_options): Disallow -mid-shared-library -mfdpic combination.
6471 Can't do unaligned ops if FD-PIC.
6472 Turn off flag_pic if trying to generate non-id-shared-library
6473 non-fdpic code, since it's not supported.
6474 (bfin_assemble_integer): New function.
6475 (TARGET_ASM_INTEGER): Define.
6476 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6478 * config/bfin/crtn.s: Restore them.
6479 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6481 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6482 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6483 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6484 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6485 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6487 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6488 FDPIC_REGS and FDPIC_FPTR_REGS.
6489 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6490 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6491 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6492 (load_funcdescsi): New pattern.
6493 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6494 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6495 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6497 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6499 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6502 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6504 * tree-flow.h: Remove the prototype for add_type_alias.
6505 * tree-ssa-alias.c (add_type_alias): Remove.
6507 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6509 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6510 config/fr30/fr30.md, config/i386/i386-interix.h,
6511 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6512 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6513 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6514 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6515 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6516 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6517 Follow spelling conventions.
6518 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6519 Follow spelling conventions.
6521 2006-05-27 Richard Guenther <rguenther@suse.de>
6524 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6525 to produce a constant of value 1 of generic type.
6527 2006-05-27 Dirk Mueller <dmueller@suse.de>
6529 * cgraphunit.c (decide_is_function_needed): Fix wrong
6532 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6534 PR rtl-optimization/27661
6535 * reload.c (find_reloads): When reloading a VOIDmode constant
6536 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6537 use Pmode as mode of the reload register.
6539 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6541 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6542 is enabled at -O and above.
6544 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6547 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6550 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6553 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6554 for anonymous variables explicitly declared by front ends.
6556 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6558 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6559 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6560 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6561 ref-all pointers, run a finalization pass for them.
6562 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6563 (finalize_ref_all_pointers): New function.
6564 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6565 regular pointer type to a ref-all pointer type.
6566 (get_tmt_for): Return the special memory tag for ref-all pointers.
6568 2006-05-25 Richard Guenther <rguenther@suse.de>
6571 * fold-const.c (fold_binary): Do not look at the stripped
6572 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6574 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6576 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6577 for LT and GT if the computed range is effectively empty.
6579 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6582 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6583 mips_quad_format formats instead of ieee_single_format,
6584 ieee_double_format and ieee_quad_format formats, respectively.
6586 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6588 PR tree-optimization/27639
6589 PR tree-optimization/26719
6590 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6591 call to scev_probably_wraps_p.
6592 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6593 used_in_pointer_arithmetic_p, convert_step): Removed.
6594 (nowrap_type_p): New function.
6595 (scev_probably_wraps_p): Rewritten.
6596 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6597 chrec_convert if chrec_convert_aggressive might have been used.
6598 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6599 scev_direction): New functions.
6600 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6601 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6602 instead of convert_step.
6603 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6604 (convert_step): Declaration removed.
6605 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6607 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6609 * df-core.c: Added to header comments.
6610 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6611 df_ur_bb_info, df_urec_bb_info): Added comments.
6612 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6613 urec, ri problems): Fixed header comments.
6614 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6615 code from df_rd_transfer_function.
6617 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6619 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6620 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6621 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6623 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6625 * expr.c (undefined_operand_subword_p): New.
6626 (emit_move_multi_word): Do not generate move from undefined bits
6627 of a paradoxical subreg.
6629 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6631 PR rtl-optimization/27736
6632 * combine.c (replaced_rhs_value): New variable.
6633 (combine_instructions): Set it.
6634 (distribute_notes): When distributing a note in replaced_rhs_insn,
6635 check whether the value was used in replaced_rhs_value.
6637 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6640 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6641 add_referenced_var instead of add_referenced_tmp_var.
6642 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6643 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6645 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6646 tree_optimize_tail_calls_1): Use add_referenced_var.
6647 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6648 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6649 Use add_referenced_var.
6650 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6651 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6652 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6653 Use add_referenced_var.
6654 * tree-dfa.c (struct walk_state): Remove.
6655 (find_referenced_vars): Remove walk state and vars_found hash table.
6656 (make_rename_temp): Use add_referenced_var.
6657 (find_vars_r): Pass less parameters to add_referenced_var.
6658 (referenced_var_p): New. Is var in referenced_var hash table.
6659 (referenced_var_insert): Assert var isn't already in hash table.
6660 (add_referenced_var): Don't need walk_state parameter. Add var if it
6661 isn't already in the hash table.
6662 (add_referenced_tmp_var): Remove.
6663 (find_new_referenced_vars_1): Use add_referenced_var.
6664 * tree-ssa-pre.c (create_expression_by_pieces,
6665 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6666 Use add_referenced_var.
6667 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6668 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6669 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6671 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6672 vect_create_data_ref_ptr, vect_create_destination_var,
6673 vect_init_vector, vect_build_loop_niters,
6674 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6675 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6676 Use add_referenced_var.
6677 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6678 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6679 (add_referenced_var): Add prototype.
6680 * tree-ssa-structalias.c (get_constraint_for,
6681 intra_create_variable_infos): Use add_referenced_var.
6683 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6685 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6686 big-endian paradoxical subregs.
6687 * var-tracking.c (struct micro_operation_def): Document that,
6688 for modify micro operations, insn is the subsequent instruction.
6689 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6690 (var_reg_set, var_mem_set): ... new functions.
6691 (add_stores): Record subsequent insn.
6692 (compute_bb_dataflow): Use new functions for MO_USE.
6693 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6694 notes after the insn, and modify notes before the insn known
6695 to be the subsequent one.
6696 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6698 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6701 * config/i386/i386.c (ix86_expand_builtin): Use
6702 gen_sse3_monitor64 for TARGET_64BIT.
6704 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6706 PR rtl-optimization/26375
6707 PR rtl-optimization/26855
6708 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6710 (df_ru_bb_local_compute): Reversed statements and removed bogus
6711 comment explaining why they should be in wrong order.
6712 (df_ru_dump, df_rd_dump): Enhanced debug info.
6713 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6715 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6716 reaching uses and fixed space problem.
6718 2006-05-23 Jan Hubicka <jh@suse.cz>
6720 * cgraphunit.c (decide_is_function_needed): Also nested functions
6721 and functions declared inline can be optimized out at -O0.
6723 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6725 * doc/install.texi (Configuration): Remove reference to CrossGCC
6729 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6732 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6733 ix86_compare_emitted is non-NULL.
6735 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6738 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6741 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6743 PR rtl-optimization/25514
6744 * combine.c (replaced_rhs_insn): New variable.
6745 (combine_instructions): Set replaced_rhs_insn when trying to replace
6746 a SET_SRC with a REG_EQUAL note.
6747 (distribute_notes): Use replaced_rhs_insn when determining the live
6748 range of a REG_DEAD register.
6750 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6751 Anatoly Sokolov <aesok@post.ru>
6753 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6754 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6755 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6756 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6757 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6758 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6759 at90usb647, at90usb1286 and at90usb1287 devices.
6760 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6761 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6763 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6765 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6767 2006-05-22 Richard Guenther <rguenther@suse.de>
6770 2006-01-31 Richard Guenther <rguenther@suse.de>
6771 Paolo Bonzini <bonzini@gnu.org>
6773 * doc/install.texi (--disable-libgcc-math): Document.
6775 2006-05-22 Richard Guenther <rguenther@suse.de>
6778 2006-01-31 Richard Guenther <rguenther@suse.de>
6780 * doc/invoke.texi (-msselibm): Document.
6781 * target.h (expand_library_builtin): New target hook.
6782 * builtins.c (expand_builtin): Use expand_library_builtin.
6783 (default_expand_library_builtin): New function.
6784 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6785 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6786 (link_gcc_math_spec): Declare.
6787 (static_specs): Add link_gcc_math_spec.
6788 * expr.h (default_expand_library_builtin): Declare.
6789 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6790 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6791 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6792 * config/i386/i386.opt (msselibm): New target option.
6793 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6794 (ix86_init_sse_abi_builtins): New function.
6795 (ix86_expand_library_builtin): Likewise.
6796 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6797 (override_options): Handle error conditions wrt -msselibm.
6798 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6799 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6800 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6803 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6806 * c-common.c (self_promoting_args_p): Skip erroneous args.
6809 * c-decl.c (finish_struct): Skip erroneous fields.
6811 2006-05-22 Nick Clifton <nickc@redhat.com>
6813 * config/cris/cris.opt (march): Remove VarExists attribute.
6814 (max-stackframe=): Likewise.
6816 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6818 * doc/rtl.texi: Fix a typo.
6819 * see.c: Fix comment typos.
6821 * tree-ssa-structalias.h (alias_info): Remove num_references.
6823 2006-05-21 Mike Stump <mrs@apple.com>
6825 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6827 (darwin_pragma_options): Use BAD instead.
6828 (darwin_pragma_unused): Likewise.
6829 (darwin_pragma_ms_struct): Likewise.
6831 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6833 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6835 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6837 PR rtl-optimization/27671
6838 * simplify-rtx.c (simplify_relational_operation_1): Fix
6839 simplifications of (eq/ne (xor x y) y) and
6840 (eq/ne (xor x y) x).
6842 PR tree-optimization/26622.
6843 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6846 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6848 * tree-cfg.c: Prune whitespace.
6849 (debug_tree_cfg): Point to correct header containing the
6852 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6855 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6857 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6860 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6861 or sorry count is non zero.
6863 2006-05-20 Andreas Schwab <schwab@suse.de>
6865 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6867 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6868 Kenneth Zadeck <zadeck@naturalbridge.com>
6870 PR rtl-optimization/26855
6872 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6874 (df_scan_alloc): Added code to properly handle multiword hard
6875 registers and add all_blocks parameter.
6876 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6877 code to properly handle multiword hard registers.
6878 (df_rescan_blocks): Added code to remove deleted blocks from
6880 (df_ref_create_structure, df_ref_record): Added code to properly
6882 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6883 and set DF_REF_PARTIAL.
6884 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6885 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6886 (df_scan_add_problem): Added flags parameter.
6887 (df_ref_create_structure): Changed switching structure.
6888 (df_bb_refs_record): Fixed case where duplicate artificial refs
6889 were created. Changed location of flags.
6890 (df_record_entry_block_defs): Added code to make stack pointer
6891 live in entry block. Refined cases where frame pointer is needed.
6892 Changed location of flags.
6893 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6894 (df_set_state): Removed function.
6895 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6896 df_insn_create_insn_record, df_insn_refs_delete,
6897 df_ref_create_structure): Formatting changes.
6898 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6899 df_delete_basic_block): New function.
6900 (df_init): Changed location of flags.
6901 (df_add_problem): Added flags parameter and the way flags are
6903 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6904 debug_df_chain): Improved debugging output.
6905 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6906 (df_refs_chain_dump): Removed df parameter.
6907 (df_iterative_dataflow): Added consistency check.
6908 (df_prune_to_subcfg): Made public.
6909 (df_analyze_problem): Added blocks_to_init parameter and made
6911 (df_ref_record, df_bb_refs_record, df_mark_reg,
6912 df_record_exit_block_uses): Whitespace changes.
6913 (df_dump): Whitespace changes.
6914 * df.h: Some reordering to remove forward references.
6915 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6916 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6917 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6918 (dataflow.flags): New field.
6919 (df.flag): Deleted field.
6920 (df_alloc_function): Added additional bitmap parameter.
6921 (df_dependent_problem_function): New type.
6922 (df_problem.changeable_flags): New field.
6923 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6924 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6925 (df_mw_hardreg): New struct.
6926 (DF_INSN_UID_MWS): New macro.
6927 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6929 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6930 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6931 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6932 (df_set_state): Removed function.
6933 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6934 * df-problems.c (df_chain_dump): Removed df parameter.
6935 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6936 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6938 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6939 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6940 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6941 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6942 DF_REF_MUST_CLOBBER cases.
6943 (df_ru_bb_local_compute_process_def,
6944 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6945 df_lr_bb_local_compute, df_ur_bb_local_compute,
6946 df_chain_create_bb): Made subreg aware.
6947 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6948 df_lr_bb_local_compute, df_lr_bb_local_compute,
6949 df_chain_create_bb): Cleanup to use proper macros.
6950 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6951 code to fixup bitvectors.
6952 (df_ri_alloc): Cleared lifetime.
6953 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6954 df_create_unused_note): New function.
6955 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6956 REG_DEAD and REG_UNUSED notes as well as register information.
6957 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6958 df_chains_dump): Fixed crash if problem was never run.
6959 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6960 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6961 df_ri_add_problem): Processes flags in uniform manner.
6962 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6963 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6964 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6965 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6966 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6967 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6968 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6969 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6970 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6971 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6972 * see.c (see_initialize_data): Ditto.
6973 * final.c (rest_of_clean_state) Added regstack_completed.
6974 * rtl.h (regstack_completed): Ditto.
6975 * reg-stack.c (regstack_completed): Ditto.
6977 2006-05-19 Mike Stump <mrs@apple.com>
6979 * c-tree.h (default_conversion): Remove.
6980 * c-common.h (default_conversion): Add.
6982 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6984 * tree-vrp.c (valid_value_p): New function.
6985 (adjust_range_with_scev): Fail if the value of bound is not
6988 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6990 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6991 (mips_fallback_frame_state): Use syscall numbers to determine
6992 the appropriate li instruction for the current ABI. Only use
6993 __NR_sigreturn for o32.
6995 2006-05-19 Nicolas Setton <setton@adacore.com>
6997 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6998 * langhooks.c (lhd_dwarf_name): New function.
6999 * langhooks-def.h (lhd_dwarf_name): Declare.
7000 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7001 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7002 * ada/misc.c (gnat_dwarf_name): New function.
7003 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7005 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7007 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7009 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7010 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7011 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7012 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7013 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7014 determine the size of Wtype, etc.
7015 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7016 (swfloatfuncs): New variable.
7017 (dwfloatfuncs): Likewise.
7018 (lib2funcs): Remove floating-point conversion functions from
7019 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7020 the set of conversion routines needed. Allow entries to specify
7021 an object name, filename and word size. Update users accordingly.
7022 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7023 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7027 2006-02-08 Roger Sayle <roger@eyesopen.com>
7030 * config/fixtfdi.c: New libgcc source file.
7031 * config/fixunstfdi.c: New source file.
7032 * config/floatditf.c: New source file.
7033 * config/floatunditf.c: New souce file.
7034 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7035 files above instead of config/mips/_tilib.c.
7036 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7038 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7040 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7041 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7043 2006-05-18 Mike Stump <mrs@apple.com>
7045 Fix up vla, vm and [*] sematics.
7051 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7052 (c_vla_unspec_p): Add.
7053 (c_vla_type_p): Add.
7054 * c-decl.c (struct c_scope): Add had_vla_unspec.
7055 (build_array_declarator): Add support for [*].
7056 (grokdeclarator): Likewise.
7057 (grokparms): Likewise.
7058 (get_parm_info): Likewise.
7059 * c-objc-common.c (c_vla_unspec_p): Likewise.
7060 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7061 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7062 typeof when argument is a variably modified type not inside sizeof or alignof.
7063 (c_parser_direct_declarator_inner): Propagate errors.
7064 (c_parser_sizeof_expression): Add support for [*].
7065 (c_parser_parms_declarator): Initialize had_vla_unspec.
7066 (c_parser_parms_list_declarator): Likewise.
7067 * c-typeck.c (c_vla_type_p): Add.
7068 (composite_type): Add support for vla compositing.
7069 (comptypes_internal): Add support for vla compatibility.
7070 (c_expr_sizeof_expr): Evaluate vla arguments.
7071 * tree.c (variably_modified_type_p): Update comment for [*].
7073 2006-05-18 Michael Matz <matz@suse.de>
7076 * config.host: Make assignments to host_xmake_file cumulative.
7077 * config.host (*-darwin*): Test $host, not $target.
7079 2006-05-12 Stuart Hastings <stuart@apple.com>
7081 * config/i386/i386.opt (-mstackrealign): New flag.
7082 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7083 (ix86_handle_cconv_attribute): Emit error when
7084 force_align_arg_pointer attribute collides with too many regparms.
7085 (ix86_function_regparm): Limit regparms when used with
7086 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7087 Support stack-realigning prologue in non-main functions. Emit
7088 warning for nested functions under -mstackrealign, emit error for
7089 nested functions with force_align_arg_pointer attribute.
7090 * doc/extend.texi (force_align_arg_pointer): Document it.
7091 * doc/invoke.texi (-mstackrealign): Document it.
7093 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7095 PR rtl-optimization/27477
7096 * combine.c (try_combine): Don't split a parallel consisting
7097 of two sets into two individual sets if both sets reference
7100 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7102 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7103 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7105 * doc/options.texi (VarExists): Updated.
7107 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7109 * unwind-dw2.c: Add declarations for uw_update_context and
7111 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7112 detected, advance frame state and context once to skip over stub.
7114 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7118 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7119 Call rewrite_into_loop_closed_ssa only when something changed.
7120 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7121 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7122 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7123 Test for perfect_nest_p here. Fix formating.
7124 (replace_uses_equiv_to_x_with_y): Fix formating.
7125 (stmt_uses_op): Removed.
7126 (can_convert_to_perfect_nest): Removed loopivs parameter.
7127 Complete the test by checking the scalar dependences.
7128 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7131 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7134 From Dan Kegel <dank@kegel.com>:
7135 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7137 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7139 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7140 if the element type is variably modified without recursing.
7142 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7145 * tree-loop-linear.c (try_interchange_loops): Test for
7146 no data dependences.
7148 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7150 PR tree-optimization/27548
7151 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7152 range of ssa names that appear on abnormal edges.
7153 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7154 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7156 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7159 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7161 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7164 * tree.h (OMP_PARALLEL_COMBINED): Define.
7165 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7166 (new_omp_context): Add is_combined_parallel argument.
7167 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7168 new_omp_context caller.
7169 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7170 Adjust gimplify_scan_omp_clauses callers.
7171 (omp_is_private): Issue errors if iteration variable is firstprivate
7172 or reduction in the current context.
7173 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7174 on combined parallel workshare constructs.
7176 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7178 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7179 (gcc-options.o): New rule.
7181 * optc-gen.awk: Protect variables for gcc-options.o with
7182 #ifdef GCC_DRIVER/#endif.
7184 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7186 Fix PR tree-optimization/27373
7187 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7188 (forward_propagate_addr_expr): Update call.
7190 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7192 * doc/options.texi: Move the Negative option.
7194 2006-05-16 Richard Guenther <rguenther@suse.de>
7196 PR tree-optimization/22303
7197 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7199 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7200 ccp_fold did not simplify the statement.
7202 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7205 * Makefile.in (GCC_OBJS): New.
7206 (OBJS-common): Add opts-common.o.
7207 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7208 (cpp$(exeext)): Likewise.
7209 (gcc.o): Also depend on opts.h.
7210 (opts-common.o): New.
7212 * common.opt (gcoff): Add Negative(gdwarf-2).
7213 (gdwarf-2): Add Negative(gstabs).
7214 (gstabs): Add Negative(gstabs+).
7215 (gstabs+): Add Negative(gvms).
7216 (gvms): Add Negative(gxcoff).
7217 (gxcoff): Add Negative(gxcoff+).
7218 (gxcoff+): Add Negative(gcoff).
7219 * config/i386/i386.opt (m32): Add Negative(m64).
7220 (m64): Add Negative(m32).
7222 * doc/options.texi: Document the Negative option.
7224 * gcc.c: Include "opts.h".
7225 (main): Call prune_options after expandargv.
7227 * optc-gen.awk: Generate common declarations for all flag
7228 variables in options.c. Output the neg_index field.
7230 * opts.c (find_opt): Moved to ...
7231 * opts-common.c: Here. New file.
7233 * opts.h (cl_option): Add a neg_index field.
7235 (prune_options): Likewise.
7237 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7240 * omp-low.c (expand_omp_parallel): Don't assert
7241 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7242 instead search for it.
7245 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7248 2006-05-16 Andreas Schwab <schwab@suse.de>
7250 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7253 2006-05-15 Roger Sayle <roger@eyesopen.com>
7256 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7257 integer constants other than zero are only legitimate on TARGET_64BIT.
7258 <CONST_VECTOR> Only zero vectors are legitimate.
7259 (ix86_cannot_force_const_mem): Integral and vector constants can
7260 always be put in the constant pool.
7262 2006-05-16 DJ Delorie <dj@redhat.com>
7264 * crtstuff.c (__dso_handle): Set section from
7265 TARGET_LBIGCC_SDATA_SECTION if defined.
7266 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7267 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7269 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7272 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7275 2006-05-16 Ben Elliston <bje@au.ibm.com>
7277 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7279 2006-05-15 Per Bothner <per@bothner.com>
7281 * tree.c: (last_annotated_node): Use source_locus typedef.
7282 This permits bootstrapping with --enable-mapped-location.
7284 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7286 PR tree-optimization/26830
7287 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7288 (info_for_ssa_name, current_info_for_ssa_name_age,
7289 blocks_to_update): New variables.
7290 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7291 (clear_ssa_name_info, initialize_flags_in_bb,
7292 mark_block_for_update): New functions.
7293 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7294 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7295 prepare_def_site_for): Use mark_block_for_update.
7296 (mark_def_interesting): Assert that the processed block is marked in
7297 blocks_to_update. Do not take blocks argument.
7298 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7300 (rewrite_update_init_block, rewrite_update_stmt): Only process
7301 blocks with statements to rewrite.
7302 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7303 (update_ssa): Initialize and free blocks_to_update. Do not
7304 clear flags on statements. Do not use blocks bitmap.
7305 * tree.h (SSA_NAME_AUX): Removed.
7306 (struct tree_ssa_name): Removed aux field.
7307 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7309 2006-05-15 Richard Guenther <rguenther@suse.de>
7311 PR tree-optimization/27603
7312 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7313 Do computations in original type.
7315 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7317 * see.c: Code style changes such as redundant paranthesis,
7318 redundant intialization of local variables etc.
7319 (see_main): Declared now as static.
7320 * doc/invoke.texi: Update that -fsee is not enabled by
7323 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7325 * omp-low.c (check_omp_nesting_restrictions): New function.
7326 (scan_omp_1): Call it.
7329 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7330 construct, return *VAR.
7332 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7334 PR rtl-optimization/27406
7335 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7338 2006-05-14 Roger Sayle <roger@eyesopen.com>
7340 PR rtl-optimization/27538
7341 * combine.c (expand_compound_operation): Call gen_lowpart
7342 before calling simplify_shift_const.
7344 2006-05-14 Roger Sayle <roger@eyesopen.com>
7346 PR rtl-optimization/22563
7347 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7348 a fixed width bitfield, always force the intermediates into psuedos.
7350 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7353 * mkconfig.sh: Use operator = instead of == for test.
7355 2006-05-13 Nick Clifton <nickc@redhat.com>
7357 * dwarf2out.c (dbx_reg_number): Check return value from
7358 LEAF_REG_REMAP and only use it if it is valid.
7359 (multiple_reg_loc_descriptor): Likewise.
7361 2006-05-13 Richard Guenther <rguenther@suse.de>
7363 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7366 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7368 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7369 information attached to non-INSNs such as NOTEs.
7370 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7372 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7374 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7376 * config/s390/s390.md: Adjust comment describing On constraint.
7378 2006-05-11 Jan Hubicka <jh@suse.cz>
7380 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7381 to be output at -O0.
7383 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7386 * fold-const.c (size_binop): Move sanity check for arguments to
7387 the beginning of the function.
7390 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7393 2006-05-11 Richard Guenther <rguenther@suse.de>
7396 * fold-const.c (fold_unary): Handle intermediate conversion
7397 to a pointer type like intermediate conversion to an integer
7398 type in folding of (T1)(T2)var to var.
7399 Match the code to the comment in the final conversion for
7400 (T1)(T2)var to (T1)var regarding to type precision. Rather
7401 than disallow T1 being of pointer type, assert that both T1
7402 and var are of pointer type or not. Make sure not to fall
7403 over the frontends lazyness wrt array to pointer decay though.
7405 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7407 * arm.c (arm_struct_value_rtx): Delete.
7408 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7409 (arm_init_cumulative_args): Always initialize nregs to zero.
7411 2006-05-10 Richard Guenther <rguenther@suse.de>
7413 PR tree-optimization/27532
7414 * tree-object-size.c (plus_expr_object_size): Fix typo.
7416 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7419 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7420 ashrdi_const, ashrdi3): Use a scratch register.
7422 2006-05-10 Richard Guenther <rguenther@suse.de>
7424 PR tree-optimization/27302
7425 * fold-const.c (operand_equal_p): For two comparisons,
7426 try comparison of one comparison code swapped if that yields
7429 2006-05-10 Ben Elliston <bje@au.ibm.com>
7431 * tree-pretty-print.c (pretty_print_string): No need to handle
7432 '\0' as a special character.
7434 * tree.h: Include "hashtab.h".
7435 (iterative_hash_expr): Use hashval_t in its prototype.
7436 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7438 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7441 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7442 (hppa*64*-*-hpux11*): Ditto.
7443 (hppa[12]*-*-hpux11*): Ditto.
7445 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7448 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7450 2006-05-09 Michael Matz <matz@suse.de>
7452 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7453 host_extra_gcc_objs and host_xmake_file.
7454 (<*-*-linux*>): Don't overwrite host_xmake_file.
7455 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7456 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7457 (host_detect_local_cpu): Declare.
7458 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7459 * config/i386/i386.c (override_options): Handle -mtune=native
7461 * config/i386/x-i386: New file.
7462 * config/i386/driver-i386.c: New file.
7463 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7466 2006-05-09 Dirk Mueller <dmueller@suse.de>
7467 Richard Guenther <rguenther@suse.de>
7470 * fold-const.c (fold_read_from_constant_string): Relax check
7471 for matching types to matching modes.
7473 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7475 PR rtl-optimization/27335
7476 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7479 2006-05-08 Chao-ying Fu <fu@mips.com>
7480 Richard Sandiford <richard@codesourcery.com>
7482 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7483 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7484 * config/mips/mips.md (UNSPEC_SCC): New constant.
7485 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7486 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7487 (mips_emit_compare): Use it.
7488 (mips_expand_vcondv2sf): New function.
7490 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7492 Fix PR tree-optimization/27093
7493 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7494 renaming when they become not-used_alone.
7496 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7498 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7499 relocation and relocation stubs.
7501 2006-05-08 Eric Christopher <echristo@apple.com>
7503 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7506 2006-05-08 Jan Hubicka <jh@suse.cz>
7509 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7510 unused static functions are needed.
7512 2006-05-08 Roger Sayle <roger@eyesopen.com>
7515 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7516 of a reg_equiv_constant if the result is a legitimate constant.
7518 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7521 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7522 standard 80387 constants, raise the cost to prevent
7523 compress_float_constant() to generate load from memory.
7525 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7527 * config/arm/constraints.md (c): Fix a typo.
7529 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7532 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7535 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7537 (_mm_mwait): Likewise.
7539 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7541 (sse3_monitor): Make it 32bit only.
7542 (sse3_monitor64): New. 64bit monitor.
7544 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7547 * config/i386/i386.c (classify_argument): Skip fields with invalid
7550 2006-05-07 Richard Guenther <rguenther@suse.de>
7552 PR tree-optimization/27409
7553 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7554 Do not try to find zero-sized subvars.
7556 2006-05-07 Richard Guenther <rguenther@suse.de>
7558 PR tree-optimization/27136
7559 * tree-ssa-loop-niter.c (get_val_for): Correct function
7560 comment, assert requirements.
7561 (loop_niter_by_eval): Stop processing if the iterated
7562 value did not simplify.
7564 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7566 * opts.c (flag_see): remove its setting at -O3.
7568 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7570 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7571 * arm/constraints.md: New file.
7572 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7573 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7574 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7575 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7576 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7577 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7578 * arm.md: Include constraints.md.
7579 (thumb_movsi_insn): Use satisfies_constraint_J.
7580 (movhi, movqi): Use satisfies_constraint_I.
7582 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7584 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7585 for atmeg a645 device.
7587 2006-05-06 Richard Guenther <rguenther@suse.de>
7589 PR tree-optimization/27151
7590 * tree-vect-transform.c (vectorizable_condition): Punt on
7591 values that have a different type than the condition.
7593 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7596 * c-parser.c (c_parser_cast_expression): Only insert casts into
7597 hash table if pointer.
7598 * function.c (used_types_insert_helper): Rename from
7600 (used_types_insert): Call used_types_insert_helper.
7601 * function.h (used_types_insert): Accept only one argument.
7603 2006-05-05 David Edelsohn <edesohn@gnu.org>
7605 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7606 scratch with output modifier.
7608 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7611 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7612 with output modifier.
7614 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7617 * config/mips/mips.c (mips_symbolic_address_p): Return true
7618 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7619 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7621 2006-05-04 Richard Guenther <rguenther@suse.de>
7623 PR tree-optimization/14287
7624 PR tree-optimization/14844
7625 PR tree-optimization/19792
7626 PR tree-optimization/21608
7627 PR tree-optimization/27090
7628 * tree-ssa-pre.c (try_combine_conversion): New function.
7629 (compute_avail): After constructing the value-handle
7630 expression, use try_combine_conversion to combine NOP_EXPRs
7631 with previous value-handle expressions and use the result if it
7634 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7636 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7638 2006-05-04 Jan Hubicka <jh@suse.cz>
7641 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7643 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7645 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7646 that this only matches CONST_INTs. All users changed to VOIDmode
7649 * config/bfin/bfin.c: Include "optabs.h".
7650 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7652 (enum bfin_builtins): Add a number of fractional and vector builtins.
7653 (bfin_init_builtins): Likewise.
7654 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7655 (safe_vector_operand, bfin_expand_binop_builtin,
7656 bfin_expand_unop_builtin): New functions.
7657 (bfin_expand_builtin): Handle the new builtins.
7658 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7661 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7664 * Makefile.in (OBJS-common): Add see.o.
7665 (see.o): Add dependencies.
7666 * common.opt (fsee): New flag for the see optimization was added.
7667 * opts.c (flag_see): Initialized.
7668 * passes.c (init_optimization_passes, pass_see): New pass.
7669 * rtl.h (see_main): Declaration as extern.
7670 * timevar.def (TV_SEE): New.
7671 * tree-pass.h (pass_see): Declaration as extern.
7672 * invoke.texi (-fsee): Document.
7673 * recog.c (validate_simplify_insn): New function.
7674 * recog.h (validate_simplify_insn): Declaration as extern.
7675 * df-problems.c (df_chain_dump): Check for NULL.
7677 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7678 Daniel Berlin <dberlin@dberlin.org>
7680 * cfgrtl.c (insert_insn_bb_end_new): New function.
7681 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7683 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7685 * df.h (struct web_entry): Moved from web.c.
7686 (union_defs): Declaration as extern.
7687 (unionfind_root): Likewise.
7688 (unionfind_union): Likewise.
7689 * web.c (struct web_entry): Moved to df.h.
7690 (unionfind_root): Remove static declaration.
7691 (unionfind_union): Likewise.
7692 (union_defs): Likewise and generalize to use callback function.
7693 (web_main): Update arguments for union_defs function call.
7695 2006-05-04 Richard Guenther <rguenther@suse.de>
7697 PR tree-optimization/26447
7698 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7699 produce SSA_NAME copies before the store stmt to avoid
7700 breaking exception handling.
7702 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7705 * gimplify.c (omp_is_private): If var is shared in some outer context,
7706 return false instead of true. Stop searching on parallel context
7709 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7712 * coverage.c: Use get_gcov_unsigned_t() instead of
7713 unsigned_type_node all over.
7715 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7717 PR tree-optimization/27381
7718 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7719 maintain the same immediate_use links.
7720 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7721 node rather than segfaulting.
7723 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7726 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7727 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7728 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7730 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7732 Fix PR tree-optimization/26626
7733 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7735 * tree-ssa-operands.c (access_can_touch_variable): Allow
7736 typecasting through union pointers.
7738 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7741 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7742 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7743 to find if var will be a global variable even in the nested context.
7744 (omp_copy_decl): Only check for global variable at the end, it might
7745 be overridden in outer contexts.
7746 (scan_sharing_clauses): For global variables don't create a field.
7747 (lower_rec_input_clauses): Do nothing for global shared variables.
7748 Emit a barrier at the end of ILIST if there were any decls in both
7749 firstprivate and lastprivate clauses.
7750 (lower_send_clauses): Do nothing for global variables except for
7753 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7755 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7756 of the correct signedness is returned.
7758 2006-05-02 Jeff Law <law@redhat.com>
7760 PR tree-optimization/27364
7761 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7762 multiply expressions.
7764 2006-05-02 Tom Tromey <tromey@redhat.com>
7766 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7768 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7771 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7772 -mthumb -fPIC are used.
7774 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7775 Joshua Kinard <kumba@gentoo.org>
7778 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7779 with 64-bit pointers.
7781 2006-05-02 Paul Brook <paul@codesourcery.com>
7783 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7785 (create_fix_barrier): Check that a suitable barrier location is
7787 (arm_reorg): Include ftmp->address in allowable range of addresses.
7789 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7792 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7795 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7798 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7799 around RESULT_DECL for result passed by reference.
7800 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7801 * omp-low.c (use_pointer_for_field): Don't look at
7802 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7803 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7804 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7805 time or var for passing by reference for
7806 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7807 TREE_ADDRESSABLE variables when passing by reference.
7809 * omp-low.c (dump_omp_region): Fix output formatting.
7812 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7813 (expand_omp_parallel): Likewise.
7814 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7817 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7818 on statement list containing also constructors and destructors.
7819 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7822 * except.c (duplicate_eh_regions): Fix clearing of
7823 cfun->eh->region_array entries.
7825 2006-05-01 DJ Delorie <dj@redhat.com>
7827 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7829 (gcc_cv_objdump): Likewise.
7830 * configure: Regenerated.
7832 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7835 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7836 templates for case 3 and 4.
7838 2006-05-01 DJ Delorie <dj@redhat.com>
7840 * vec.c: Include bconfig.h when appropriate.
7841 * Makefile.in (build/vec.o): Adjust dependencies.
7842 * mkconfig.sh: Make sure config.h isn't used for build machine
7845 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7847 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7849 (mark_phi_for_rewrite): New function.
7850 (insert_phi_nodes_for, mark_use_interesting): Call
7851 mark_phi_for_rewrite.
7852 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7853 (update_ssa): Initialize and free phis_to_rewrite.
7855 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7857 PR rtl-optimization/27291
7858 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7859 folded to a constant.
7861 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7863 PR tree-optimization/27283
7864 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7865 not whole # of iteration descriptions.
7866 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7867 uses abnormal ssa name.
7868 (niter_for_single_dom_exit): Ditto.
7869 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7870 return just the number of iterations.
7872 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7874 PR tree-optimization/27144
7875 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7876 (record_estimate): Only record constant upper bound.
7877 (infer_loop_bounds_from_undefined): Call
7878 compute_estimated_nb_iterations just once.
7879 (proved_non_wrapping_p): Renamed to ...
7880 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7881 (convert_step_widening, scev_probably_wraps_p): Call
7882 n_of_executions_at_most instead of proved_non_wrapping_p.
7883 (substitute_in_loop_info): Do not replace values in bounds.
7884 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7887 2006-05-01 Richard Henderson <rth@redhat.com>
7890 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7891 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7894 2006-05-01 Roger Sayle <roger@eyesopen.com>
7896 * c-typeck.c (parser_build_binary_op): Don't call the function
7897 unsigned_conversion_warning to spot operand/result type overflow.
7898 (build_binary_op): Instead, call convert_and_check instead of
7899 convert to report the problem when the operands are promoted.
7900 * c-common.c (unsigned_conversion_warning): Make static.
7901 * c-common.h (unsigned_conversion_warning): Delete prototype.
7903 2006-05-01 Richard Guenther <rguenther@suse.de>
7905 PR tree-optimization/26726
7906 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7908 (find_interesting_uses_address): ... we work around here
7909 by folding INDIRECT_REFs in the substituted base.
7911 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7913 * omp-low.c (dump_omp_region): Add newlines.
7915 2006-04-30 Roger Sayle <roger@eyesopen.com>
7917 * common.opt (Woverflow): New command line option.
7918 * c-common.c (constant_expression_warning): Check warn_overflow.
7919 (overflow_waring): Pass OPT_Woverflow to warning.
7920 (unsigned_conversion_warning): Likewise.
7921 (convert_and_check): Likewise.
7922 * doc/invoke.texi: Document new command line option.
7924 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7926 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7927 TARGET_NO_FP_IN_TOC for section anchors.
7928 (optimization_options): Enable section anchors for all
7929 non-"Objective" languages.
7931 2006-04-28 Eric Christopher <echristo@apple.com>
7933 * config/darwin-c.c (darwin_ms_struct): Move this
7934 (darwin_set_default_type_attributes): and this...
7935 * config/darwin.c: ... here.
7936 * config/darwin.h (darwin_ms_struct): Declare.
7938 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7942 2006-04-28 Roger Sayle <roger@eyesopen.com>
7945 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7946 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7947 an unsigned HOST_WIDE_INT.
7948 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7950 (really_start_incremental_init): No need to call convert because
7951 bitsize_zero_node is already of type bitsizetype.
7952 (push_init_level): Extract the value of constructor_index as an
7953 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7954 (process_init_element): Likewise.
7956 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7958 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7959 value before passing to make_relative_prefix.
7961 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7964 * builtins.c (expand_builtin_memset): Expand val in original mode.
7966 2006-04-27 Eric Christopher <echristo@apple.com>
7968 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7969 with #ifndef/#endif.
7970 * config/darwin-c.c (darwin_ms_struct): New.
7971 (darwin_pragma_ms_struct): Ditto.
7972 (darwin_set_default_type_attributes): Ditto.
7973 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7974 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7975 Register ms_struct pragma.
7976 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7977 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7978 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7979 darwin_set_default_type_attributes if TARGET_MACHO.
7981 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7983 PR tree-optimization/26854
7984 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7985 * doc/tree-ssa.texi: Update immuse iterator documentation.
7986 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7987 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7988 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7989 first_safe_imm_use, next_safe_imm_use): Remove.
7990 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7991 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7992 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7993 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7994 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7995 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7996 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7997 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7998 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7999 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8000 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8001 (perfect_nestify): Use new iterator.
8002 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8004 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8005 (next_imm_name): New field in struct immediate_use_iterator_d.
8006 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8007 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8008 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8009 * tree-cfg.c (replace_uses_by): Use new iterator.
8010 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8011 * tree-ssa-operands.c (correct_use_link): Remove.
8012 (finalize_ssa_use_ops): No longer call correct_use_link.
8014 2006-04-27 Stuart Hastings <stuart@apple.com>
8016 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8017 * config/t-darwin (crt3.o): Use it.
8018 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8019 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8020 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8021 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8022 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8025 2006-04-27 Roger Sayle <roger@eyesopen.com>
8027 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8028 size, force the intermediate into a new pseudo rather instead of
8029 performing both a bitwise AND and a bitwise IOR in memory.
8031 2006-04-27 Richard Guenther <rguenther@suse.de>
8033 PR rtl-optimization/26685
8034 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8035 this one "max-flow-memory-locations".
8037 2006-04-27 Richard Guenther <rguenther@suse.de>
8039 PR tree-optimization/25148
8040 * tree-vrp.c (compare_values): Remove code dealing with
8041 comparisons against type min/max value. Honour overflow
8042 and negative constants in code dealing with comparisons
8043 of plus and minus expressions.
8044 (value_inside_range): Use fold_binary with LE_EXPR and
8045 GE_EXPR rather than compare_values.
8047 2006-04-27 Dirk Mueller <dmueller@suse.de>
8049 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8052 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8054 * basic-block.h (safe_insert_insn_on_edge): Removed.
8055 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8057 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8058 Paolo Bonzini <bonzini@gnu.org>
8061 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8062 (simplify_and_const_int): Same.
8064 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8066 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8068 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8071 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8072 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8073 cgraph_global_info_ready.
8076 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8079 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8080 either decl or init is error_mark_node.
8083 * tree-flow.h (struct omp_region): Add sched_kind.
8084 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8085 instead of extracting omp for data.
8086 (expand_omp_for): Save extracted sched_kind.
8088 2006-04-25 Roger Sayle <roger@eyesopen.com>
8090 * expmed.c (store_bit_field): Also check whether the bitsize is
8091 valid for the machine's "insv" instruction before moving the
8092 target into a pseudo for use with the insv.
8093 * config/i386/predicates.md (const8_operand): New predicate.
8094 * config/i386/i386.md (extv, extzv, insv): Use the new
8095 const8_operand predicate where appropriate.
8097 2006-04-25 DJ Delorie <dj@redhat.com>
8099 * doc/install.texi (Specific): Clarify that this is not a list of
8100 supported hosts or targets.
8102 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8104 PR rtl-optimization/26725
8105 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8106 block's BB_DIRTY flag.
8108 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8110 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8113 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8114 to print an integer.
8116 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8118 * varasm.c (align_variable): New function.
8119 (get_block_for_decl): Apply align_variable to DECL before
8120 calculating section information.
8121 (assemble_variable): Split out alignment computation.
8123 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8125 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8128 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8130 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8131 MODE_PARTIAL_INT mode.
8132 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8133 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8135 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8136 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8138 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8140 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8142 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8143 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8144 MACFLAG_IH): Likewise.
8145 (movstricthi_1): Renamed from "*movstricthi".
8146 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8147 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8148 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8149 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8150 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8151 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8152 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8153 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8154 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8155 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8156 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8157 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8158 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8159 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8160 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8162 * doc/rtl.texi (ss_ashift): Improve wording.
8164 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8166 * dwarf2out.c (verify_marks_clear): New.
8167 (prune_unused_types): Call verify_marks_clear initially, not
8170 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8172 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8173 * doc/rtl.texi: Document them.
8174 * simplify-rtx.c (simplify_unary_operation,
8175 simplify_binary_operation_1): Don't abort when we see them.
8177 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8180 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8181 * configure.ac: Completely disregard languages that are not
8183 * configure: Regenerated.
8185 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8186 Richard Guenther <rguenther@suse.de>
8188 PR tree-optimization/27236
8189 * tree-inline.c (copy_body_r): Make sure to copy
8190 TREE_THIS_VOLATILE flag.
8192 2006-04-24 Richard Guenther <rguenther@suse.de>
8195 * tree-complex.c (update_parameter_components): Don't handle
8196 unused parameters which have no default def.
8198 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8199 Richard Guenther <rguenther@suse.de>
8201 PR tree-optimization/27218
8202 * tree-inline.c (expand_call_inline): Strip useless type
8203 conversions for the return slot address.
8205 2006-04-24 Richard Guenther <rguenther@suse.de>
8207 * cfgloop.h (struct loops): Remove unused field array. Reorder
8209 (LOOP_PREFETCH): Remove.
8211 2006-04-24 Richard Guenther <rguenther@suse.de>
8213 PR tree-optimization/22525
8214 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8215 variable, adjust types of generated expressions.
8217 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8219 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8220 (tree-vect-patterns.o): Likewise.
8222 (cselib.o): Likewise.
8223 (loop-doloop.o): Likewise.
8224 (regclass.o): Likewise.
8225 (reload1.o): Likewise.
8226 (explow.o): Replace target.h with $(TARGET_H).
8227 (ipa-prop.o): Likewise.
8228 (ipa-cp.o): Likewise.
8229 (ipa-inline.o): Likewise.
8230 (reorg.o): Likewise.
8231 (reg-stack.o): Likewise.
8233 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8235 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8237 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8239 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8241 * configure.ac: Completely disregard languages that are not
8243 * configure: Regenerated.
8246 * c-common.h (c_build_bitfield_integer_type): Declare.
8247 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8248 * c-common.c (c_build_bitfield_integer_type): ... here.
8250 2006-04-23 Roger Sayle <roger@eyesopen.com>
8253 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8254 a SImode SUBREG of a floating point register after no_new_pseudos.
8256 2006-04-23 Roger Sayle <roger@eyesopen.com>
8258 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8259 identify potentially eliminable registers to additionally catch
8260 VIRTUAL_INCOMING_ARGS_REGNUM.
8261 (addsi3): Update the conditions on when to use addsi_small_int.
8263 2006-04-23 Roger Sayle <roger@eyesopen.com>
8266 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8267 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8268 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8270 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8272 * fold-const.c (range_predecessor): Use operand_equal_p
8273 as the predicate for equality.
8274 (range_successor): Likewise.
8276 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8279 * config/soft-fp/op-common.h: Fix a typo.
8281 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8284 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8285 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8287 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8289 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8291 * doc/tm.texi: Fix a typo.
8293 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8295 * dwarf2out.c (struct die_struct): Document that die_sib makes
8296 a circular linked list.
8297 (FOR_EACH_CHILD): New.
8298 (reverse_die_lists): Delete.
8299 (reverse_all_dies): Delete.
8300 (add_dwarf_attr): Correct documentation.
8301 (remove_child_with_prev): New.
8302 (remove_child_TAG): Update for change to die_struct, use
8303 remove_child_with_prev.
8304 (add_child_die): Update for change to die_struct.
8305 (splice_child_die): Use remove_child_with_prev and add_child_die.
8306 (print_die): Use FOR_EACH_CHILD.
8307 (die_checksum): Likewise.
8308 (assign_symbol_names): Likewise.
8309 (output_location_lists): Likewise.
8310 (build_abbrev_table): Likewise.
8311 (calc_die_sizes): Likewise.
8312 (mark_dies): Likewise.
8313 (unmark_dies): Likewise.
8314 (unmark_all_dies): Likewise.
8315 (output_die): Likewise.
8316 (prune_unused_types_mark): Likewise.
8317 (prune_unused_types_walk): Likewise.
8318 (same_die_p): Update for change to die_struct.
8319 (break_out_includes): Likewise.
8320 (prune_unused_types_prune): Likewise.
8321 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8322 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8324 (dwarf2out_finish): Don't call reverse_all_dies.
8326 2006-04-21 Eric Christopher <echristo@apple.com>
8328 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8329 in comments and function names.
8331 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8334 * c-typeck.c (digest_init): Robustify.
8336 * c-typeck.c (pop_init_level): Simplify.
8338 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8340 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8342 2006-04-21 Paul Brook <paul@codesourcery.com>
8344 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8345 hardware floating point.
8347 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8349 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8352 2006-04-21 Nick Clifton <nickc@redhat.com>
8354 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8357 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8360 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8361 C++ lang type in traceback table for Objective-C++.
8363 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8365 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8367 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8369 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8372 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8373 were errors. Remove check for erroneous objects.
8375 2006-04-20 Jeff Law <law@redhat.com>
8377 PR tree-optimization/26854
8378 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8379 checking for zero or one use.
8380 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8381 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8382 * tree-ssa-reassoc.c (negate_value): Similarly.
8383 (reassociate_bb): Similarly.
8385 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8387 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8388 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8389 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8391 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8393 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8394 fp regs if the last fp arg doesn't fit in regs.
8396 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8399 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8400 that the last insn has the REG_INC note.
8402 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8403 Nathan Sidwell <nathan@codesourcery.com>
8406 * stor-layout.c (update_alignment_for_field): Do not align
8408 (place_union_field): Place union field at the start of the union.
8409 (place_field): Move ERROR_MARK check later, and use the current
8410 allocation position to maintain monotonicity.
8412 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8414 * dominance.c: Include timevar.h.
8415 (calculate_dominance_info): Use TV_DOMINANCE.
8416 * timevar.def (TV_DOMINANCE): New timevar.
8417 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8419 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8421 PR rtl-optimization/14261
8422 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8423 move would be an INSV insn.
8424 (noce_process_if_block): Don't optimize if the destination is a
8425 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8427 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8429 * config/s390/s390.md: Add comments with the instructions emitted
8430 by an insn pattern if macros are used.
8432 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8434 PR rtl-optimization/26026
8435 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8436 is a known power of two shifted left a variable amount.
8438 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8440 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8441 to hash table twice when the debug_str section has SECTION_MERGE.
8443 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8445 * config/soft-fp: New directory. From glibc.
8446 * config/soft-fp/t-softfp: New.
8447 * config/soft-fp/README: New.
8448 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8449 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8450 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8451 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8452 * config.gcc: Use rs6000/t-fprules-fpbit or
8453 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8455 * config/rs6000/sfp-machine.h: New. Based on glibc.
8456 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8458 * config/rs6000/t-fprules: Remove fp-bit rules.
8459 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8460 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8461 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8462 (softfp_wrap_start, softfp_wrap_end): New.
8464 2006-04-18 DJ Delorie <dj@redhat.com>
8466 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8468 2006-04-18 Devang Patel <dpatel@apple.com>
8470 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8472 2006-04-18 Nick Clifton <nickc@redhat.com>
8474 * config/sh/t-symbian: Add rule to build sh-c.o
8475 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8476 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8477 (sh_symbian_encode_section_info): Likewise.
8479 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8481 * builtins.c (expand_builtin_strcmp): Cover label definition of
8482 do_libcall with HAVE_cmpstrnsi.
8484 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8486 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8488 * function.h (temp_slot_p): New.
8489 (function): Change the type of x_used_temp_slots to
8490 VEC(temp_slot_p,gc) *.
8492 2006-04-18 Nick Clifton <nickc@redhat.com>
8494 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8495 flag_strength_reduce.
8497 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8499 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8503 Partial revert of revision 112637
8504 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8505 Dale Johannesen <dalej@apple.com>
8508 * regclass.c (struct reg_pref): Update documentation.
8509 (regclass): Set prefclass to NO_REGS if memory is the best option.
8510 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8512 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8514 PR tree-optimization/26821
8515 * tree-ssa-math-opts.c (get_constant_one): New.
8516 (insert_reciprocals): Use it.
8518 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8520 * dwarf2out.c (free_AT): Delete.
8521 (remove_AT): Update string ref counts.
8522 (remove_child_TAG): Don't call free_die.
8524 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8525 or DW_TAG_GNU_EINCL.
8526 (prune_unused_types_walk_attribs): Reset string refcounts.
8527 (prune_unused_types_update_strings): New.
8528 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8529 call free_die. Do call prune_unused_types_update_strings.
8530 (prune_unused_types): Empty debug_str_hash.
8532 2006-04-17 Roger Sayle <roger@eyesopen.com>
8534 * expr.c (expand_assignment): Optimize away no-op moves where the
8535 source and destination are equal and have no side-effects.
8537 2006-04-17 Richard Guenther <rguenther@suse.de>
8540 * reload.c (push_reload): Guard calls to get_secondary_mem
8543 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8545 * alias.c (reg_base_value, old_reg_base_value): Change the
8546 type to VEC(rtx,gc) *.
8547 (REG_BASE_VALUE, find_base_value, record_set,
8548 init_alias_analysis): Use VEC instead of VARRAY.
8550 * alias.c (alias_sets): Change the type to
8551 VEC(alias_set_entry,gc) *.
8552 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8553 VEC instead of VARRAY.
8554 (last_alias_set): Remove.
8556 * cgraph.h (cgraph_edge_p): New.
8557 Update the prototype of cgraph_function_versioning.
8558 * cgraphunit.c (cgraph_copy_node_for_versioning,
8559 cgraph_function_versioning): Use VEC instead of VARRAY.
8560 * ipa-cp.c (ipcp_insert_stage): Likewise.
8562 2006-04-16 Roger Sayle <roger@eyesopen.com>
8565 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8566 "A op B" or "A op C", we may need to convert A to the type of B and C.
8568 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8570 * target.h (struct gcc_target): Add mode_rep_extended.
8571 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8572 (init_num_sign_bit_copies_in_rep): Initialize it using
8574 (truncate_to_mode): Use it.
8575 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8576 * targhooks.h (default_mode_rep_extended): Declare it.
8577 * targhooks.c (default_mode_rep_extended): Define it.
8578 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8579 default_mode_rep_extended.
8580 (TARGET_INITIALIZER): Include it.
8581 * doc/tm.texi (Misc): Document it.
8582 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8583 (mips_truncated_to_mode): New function.
8585 2006-04-16 Roger Sayle <roger@eyesopen.com>
8588 * expr.c (compress_float_constant): Copy the narrow constant into
8589 a new pseudo before extending it to its final width.
8591 2006-04-16 Roger Sayle <roger@eyesopen.com>
8592 Andrew Pinski <pinskia@gcc.gnu.org>
8593 Dale Johannesen <dalej@apple.com>
8596 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8597 special case code to implement V8HImode and V16QImode with SSE2.
8599 2006-04-15 Roger Sayle <roger@eyesopen.com>
8601 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8602 trees are constructed with a suitable tree type.
8604 2006-04-15 Roger Sayle <roger@eyesopen.com>
8606 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8607 (integer_onep): Likewise.
8608 (integer_all_onesp): Likewise.
8609 (integer_pow2p): Likewise.
8610 (integer_nonzerop): Likewise.
8611 (real_zerop): Likewise.
8612 (real_onep): Likewise.
8613 (real_twop): Likewise.
8614 (real_minus_onep): Likewise.
8615 (int_size_in_bytes): Likewise.
8616 (host_integerp): Likewise.
8618 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8620 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8621 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8622 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8624 * tree-ssa-structalias.h (alias_info): Remove num_references.
8626 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8628 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8629 (output_bvb patterns): Likewise.
8630 * pa.c (output_bb): Use 'bb' insn for long branch case.
8631 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8632 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8633 1. Correct length operand for alternatives 1 and 2.
8634 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8635 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8637 2006-04-14 Roger Sayle <roger@eyesopen.com>
8639 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8640 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8641 were accidentally reverted by r112959.
8643 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8646 * except.h (eh_region_outermost): New prototype.
8647 * except.c (eh_region_outermost): New function.
8648 * tree-cfg.c (find_outermost_region_in_block): Use it.
8650 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8652 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8654 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8655 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8656 (init_reload, reload): Use VEC instead of VARRAY.
8657 * reload.h: Update the prototype for
8658 reg_equiv_memory_loc_varray.
8660 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8661 Eric Botcazou <ebotcazou@libertysurf.fr>
8663 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8666 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8669 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8670 to expand fallback builtin function call.
8672 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8675 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8676 and emit libcall here in case the builtin fails.
8677 (expand_builtin_strcmp): Always emit the libcall here on failure.
8679 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8681 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8682 * flow.c (reg_n_info): Change the type to
8683 VEC(reg_info_p,heap) *.
8684 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8686 * regs.h (reg_info_p): New.
8687 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8688 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8689 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8692 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8694 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8696 * params.h (MAX_SCHED_READY_INSNS): New macro.
8697 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8698 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8699 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8700 the ready list for 1 cycle during the first scheduling pass.
8701 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8703 2006-04-13 Richard Henderson <rth@redhat.com>
8706 * gimple-low.c (lower_omp_directive): Remove dead code.
8707 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8708 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8709 * omp-low.c (struct omp_region): Move to tree-flow.h.
8710 (root_omp_region): Export.
8711 (omp_regions, lookup_omp_region): Remove.
8712 (determine_parallel_type): Update for struct omp_region changes.
8713 (dump_omp_region): Dump regions with block numbers.
8714 (new_omp_region): Take type and block instead of stmt; malloc
8716 (free_omp_region_1, free_omp_regions): New.
8717 (expand_parallel_call): Take entry_stmt as argument; update for
8718 changes to omp_region.
8719 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8720 (remove_exit_barriers): New.
8721 (expand_omp_parallel): Update for struct omp_region changes.
8722 (expand_omp_synch): Likewise.
8723 (expand_omp): Likewise.
8724 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8725 (expand_omp_for_static_chunk): Likewise.
8726 (expand_omp_for): Likewise.
8727 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8728 (expand_omp_sections): Similarly, with GOMP_sections_end.
8729 (expand_omp_single): New.
8730 (build_omp_regions_1): Update for OMP_CONTINUE.
8731 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8732 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8733 OMP_SECTIONS_SECTIONS.
8734 (lower_omp_single_simple): Don't emit barrier here.
8735 (lower_omp_single_copy): Likewise.
8736 (lower_omp_single): Fix bindings, and lower to straightline now.
8737 (lower_omp_master, lower_omp_ordered): Likewise.
8738 (lower_omp_critical): Likewise.
8739 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8740 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8741 omp edges, free it afterward.
8742 (make_omp_sections_edges): Remove.
8743 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8744 (move_stmt_r): Handle OMP_CONTINUE.
8745 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8746 statement pointers to basic blocks. Add type member.
8747 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8748 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8749 * tree-inline.c (estimate_num_insns_1): Likewise.
8750 * tree-pretty-print.c (dump_generic_node): Likewise.
8751 * tree-ssa-operands.c (get_expr_operands): Likewise.
8752 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8753 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8754 (OMP_CONTINUE): New.
8755 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8756 (OMP_SECTIONS_SECTIONS): Remove.
8757 (OMP_SECTION_LAST): New.
8758 (OMP_RETURN_NOWAIT): New.
8760 2006-04-13 Roger Sayle <roger@eyesopen.com>
8762 * fold-const.c (native_encode_vector, native_interpret_real):
8763 Correct obvious mistakes in the previous check-in.
8765 2006-04-13 Roger Sayle <roger@eyesopen.com>
8767 * fold-const.c (native_encode_expr): New function to encode
8768 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8769 or VECTOR_CST into a specified buffer.
8770 (native_encode_int): New function.
8771 (native_encode_real): New function.
8772 (native_encode_complex): New function.
8773 (native_encode_vector): New function.
8774 (native_interpret_expr): Inverse of native_encode_expr to convert
8775 a target representation into an INTEGER_CST, REAL_CST etc...
8776 (native_interpret_int): New function.
8777 (native_interpret_real): New function.
8778 (native_interpret_complex): New function.
8779 (native_interpret_vector): New function.
8780 (fold_view_convert_expr): New function to constant fold/evaluate
8781 a VIEW_CONVERT_EXPR of a suitable constant expression.
8782 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8783 Change call of build1 to fold_build1 when constructing a
8786 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8787 Ulrich Weigand <uweigand@de.ibm.com>
8790 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8793 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8796 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8797 optimize to lo_sum for DFmode if !TARGET_FPRS.
8799 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8801 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8802 delete_alias_info, compute_flow_sensitive_aliasing,
8803 group_aliases): Use VEC instead of VARRAY.
8804 * tree-ssa-structalias.c (update_alias_info): Likewise.
8805 * tree-ssa-structalias.h (alias_info): Change the type of
8806 processed_ptrs to VEC(tree,heap) *.
8808 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8811 * config/sh/lib1funcs.h: New file, broken out of:
8812 * config/sh/lib1funcs.asm.
8813 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8815 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8816 * config/sh/lib1funcs-Os-4-200.asm: New file.
8817 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8818 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8819 (EXTRA_MULTILIB_PARTS): Include it.
8820 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8821 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8822 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8823 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8826 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8828 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8829 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8830 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8832 * tree-ssa-live.h: Include vecprim.h.
8833 (tree_partition_associator_d): Change the type of
8834 first_partition to VEC(int,heap) *.
8835 (tpa_first_partition): Use VEC instead of VARRAY.
8837 * Makefile.in (GTFILES): Move functions.h after tree.h.
8838 * function.c (reset_block_changes, record_block_change,
8839 check_block_change, free_block_changes): Use VEC instead of
8841 * function.h (function): Change the type of
8842 ib_boundaries_block to VEC(tree,gc) *.
8843 * tree-inline.c (copy_cfg_body): Initialize
8844 ib_boundaries_block to NULL instead of (varray_type) 0.
8846 2006-04-12 Roger Sayle <roger@eyesopen.com>
8848 * expr.c (emit_group_store): Correct operand order in call to
8849 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8850 a SUBREG_BYTE of zero.
8852 2006-04-12 Richard Guenther <rguenther@suse.de>
8854 * profile.c (compute_branch_probabilities): Remove code
8855 encapsulated in !ir_type (), which are remanents of the
8856 removed RTL profiling code.
8857 * rtl-profile.c: Remove.
8859 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8861 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8862 magic NULL_RTX comment.
8863 (function_arg): Store entire fp arg to mem if any part should go
8865 (rs6000_arg_partial_bytes): Adjust for above change.
8867 2006-04-11 Roger Sayle <roger@eyesopen.com>
8869 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8870 if it hasn't been initialized by dwarf2out_init.
8872 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8874 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8875 symbolic constants in branch patterns.
8877 2006-04-11 Roger Sayle <roger@eyesopen.com>
8879 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8881 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8883 PR rtl-optimization/27073
8884 * gcse.c (try_replace_reg): Revert last change. Continue to search
8885 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8888 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8890 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8891 aggregate types other than record and union types.
8892 (function_arg): Likewise.
8893 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8895 (function_value): In 64-bit mode, return objects that require it
8898 2006-04-11 Roger Sayle <roger@eyesopen.com>
8900 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8902 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8904 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8906 2006-04-03 Jeff Law <law@redhat.com>
8909 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8910 alias information too.
8912 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8914 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8916 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8919 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8920 (premark_used_types_helper): New.
8921 (premark_used_types): New.
8922 (gen_subprogram_die): Call premark_used_types.
8923 (prune_unused_types_walk): Do not prune perennial dies.
8924 * function.c (used_types_insert): New.
8925 * function.h (struct function): Add used_types_hash field.
8926 (used_types_insert): Add prototype.
8927 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8928 * c-parser.c (c_parser_cast_expression): Save casted types in used
8931 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8934 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8935 rs6000_explicit_options.float_gprs.
8937 2006-04-10 Roger Sayle <roger@eyesopen.com>
8939 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8940 from ix86_expand_vector_init_low_nonzero. Take an additional
8941 one_var argument indicating which element is non-zero. Support
8942 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8943 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8944 with one_var instead of ix86_expand_vector_init_low_nonzero.
8946 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8948 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8949 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8950 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8951 build/genextract.o): Depend on vecprim.h.
8952 * cfglayout.c, df-problems.c, function.c, genextract.c,
8953 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8954 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8958 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8960 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8961 Declare VECs of this type.
8962 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8963 (remove_children): Delete.
8964 (add_dwarf_attr): Use VEC routines.
8965 (add_AT_flag): Update for changes to add_dwarf_attr.
8966 (add_AT_int): Likewise.
8967 (add_AT_unsigned): Likewise.
8968 (add_AT_long_long): Likewise.
8969 (add_AT_vec): Likewise.
8970 (add_AT_string): Likewise.
8971 (add_AT_die_ref): Likewise.
8972 (add_AT_fde_ref): Likewise.
8973 (add_AT_loc): Likewise.
8974 (add_AT_loc_list): Likewise.
8975 (add_AT_addr): Likewise.
8976 (add_AT_lbl_id): Likewise.
8977 (add_AT_lineptr): Likewise.
8978 (add_AT_macptr): Likewise.
8979 (add_AT_offset): Likewise.
8980 (add_AT_range_list): Likewise.
8981 (get_AT): Use VEC_iterate.
8982 (remove_AT): Use VEC_ordered_remove.
8983 (free_die): Fold remove_children into here; have it use VEC_iterate.
8984 (print_die): Use VEC_iterate on attrs.
8985 (reverse_die_lists): Don't reverse attr lists.
8986 (die_checksum): Use VEC_iterate on attrs.
8987 (same_die_p): Likewise.
8988 (output_location_lists): Likewise.
8989 (build_abbrev_table): Likewise.
8990 (size_of_die): Likewise.
8991 (unmark_all_dies): Likewise.
8992 (output_abbrev_section): Likewise.
8993 (output_die): Likewise.
8994 (prune_unused_types_walk_attribs): Likewise.
8996 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8998 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9000 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9003 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9005 2006-04-09 Roger Sayle <roger@eyesopen.com>
9007 * expr.c (store_constructor): Don't bother clearing target if
9008 we're about to assign a vector to it using vec_init_optab.
9010 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9012 * tree-ssa-alias.c (lhs_may_store_to): New function.
9013 (recalculate_used_alone): Handle LHS of calls.
9015 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9019 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9020 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9021 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9022 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9023 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9024 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9025 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9026 stubs. Add ".align 8" directives before all ".dword" directives.
9027 (GTHREAD_USE_WEAK): Revise comment.
9028 (TARGET_ATTRIBUTE_WEAK): Define.
9029 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9030 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9031 * stublib.c: New file.
9036 * pa.md (cbranch patterns): Revise arguments used in calls to
9037 output_cbranch, output_bb and output_bvd. Add long branch length
9039 (fbranch patterns): Handle long branches.
9040 (jump): Revise length check. Revise arguments for output_lbranch call.
9041 Add long branch length attributes.
9042 (decrement_and_branch_until_zero): Add long branch length attributes.
9043 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9044 Likewise. Revise arguments for output_parallel_addb and
9045 output_parallel_movb calls.
9046 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9047 output_parallel_movb and output_parallel_addb): Update prototypes.
9048 * pa.c (output_cbranch): Revise arguments. Correct handling of
9049 nullification in long branches.
9050 (output_lbranch): Add new argument to control extraction of delay
9052 (output_bb): Handle long branches.
9053 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9054 output_parallel_addb): Likewise.
9056 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9058 PR rtl-optimization/27073
9059 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9062 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9064 * tree.h (tree_memory_tag): Add old_used_alone.
9065 (SMT_OLD_USED_ALONE): New macro.
9066 * tree-ssa-alias.c (recalculate_used_alone): Stop
9067 marking things for renaming unnecessarily.
9069 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9071 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9072 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9073 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9074 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9075 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9076 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9077 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9078 spelling convensions.
9079 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9080 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9081 typos. Follow spelling conventions.
9083 2006-04-07 DJ Delorie <dj@redhat.com>
9085 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9086 passed on the stack.
9087 (m32c_init_cumulative_args): When a function returns a structure,
9088 always pass the pointer to that return area on the stack.
9089 (m32c_function_arg_advance): Don't increment the parameter number
9090 if we're processing the returned structure pointer.
9091 (pushm_info): Reverse order of registers.
9093 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9095 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9096 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9097 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9098 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9100 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9101 chrec_fold_multiply): Same.
9102 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9103 force_expr_to_var_cost): Same.
9104 * tree-mudflap.c (mf_xform_derefs_1): Same.
9105 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9107 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9109 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9110 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9113 2006-04-07 Jan Hubicka <jh@suse.cz>
9115 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9117 2006-04-07 Richard Guenther <rguenther@suse.de>
9119 PR tree-optimization/26135
9120 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9121 loads for store copy-prop.
9122 (copy_prop_visit_stmt): Likewise.
9124 2006-04-05 Robert Millan <robertmh@gnu.org>
9126 * config/i386/linux.h: Add a comment to mark macros that are
9127 being overriden in config/k*bsd-gnu.h.
9128 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9130 * config/knetbsd-gnu.h: Ditto.
9132 2006-04-06 Jan Hubicka <jh@suse.cz>
9136 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9139 2006-04-06 Mike Stump <mrs@apple.com>
9141 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9142 for HAVE_nonlocal_goto to be consistent.
9143 (expand_builtin_nonlocal_goto): Likewise.
9144 (expand_builtin_strcmp): Use #ifdef instead of #if
9145 for HAVE_cmpstrnsi to be consistent.
9147 2006-04-05 DJ Delorie <dj@redhat.com>
9149 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9152 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9154 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9155 got-relative addressing for anything but SImode.
9157 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9158 even if the calling function doesn't modify them.
9160 2006-04-05 Richard Guenther <rguenther@suse.de>
9162 PR tree-optimization/26919
9163 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9164 to cgraph_estimate_size_after_inlining.
9166 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9168 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9170 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9172 PR tree-optimization/26996
9173 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9174 VECTOR_TYPE variables.
9176 2006-04-05 Richard Guenther <rguenther@suse.de>
9178 PR tree-optimization/26763
9179 * fold-const.c (fold_comparison): Move folding of
9180 PTR + CST CMP PTR + CST ...
9181 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9183 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9185 * doc/install.texi (Prerequisites): Refine some wording on
9186 bootstrapping and ksh.
9187 Move the version numbers of DejaGnu here from the testing section
9188 and fix casing of names.
9189 Fix markup and clarify wording for autogen requirements.
9190 Refer to GCJ instead of just java.
9191 Refer to SVN instead of CVS.
9192 Describe diffutils as useful instead of necessary.
9193 (Downloading the source): Refer to SVN instead of CVS.
9194 Adjust a link to our web site accordingly.
9195 (Configuration): Fix casing of Bison.
9196 (Building): Refer to SVN instead of CVS.
9197 Fix a sentence on the use of Bison and remove duplicate (and
9198 incorrect) version number of Bison requirement.
9199 Remove one redundant list of packages needed for building.
9200 (Specific): Avoid reference to CVS.
9202 2006-04-04 Eric Christopher <echristo@apple.com>
9204 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9205 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9206 (rs6000_handle_struct_attribute): New.
9207 (rs6000_ms_bitfield_layout_p): Ditto.
9209 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9211 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9212 NULL for dso parameter to atexit_common.
9214 2006-04-04 Eric Christopher <echristo@apple.com>
9216 * config/i386/i386.c (machopic_output_stub): Output \t
9217 between instructions and operands.
9219 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9221 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9222 satisfies_constraint_[IL] to explicit tests on value.
9224 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9226 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9227 set_nb_iterations_in_loop): Use build_int_cst instead of
9229 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9230 build_int_cst instead of convert.
9232 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9234 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9235 new value 2 for incoming.
9236 * function.c (expand_function_start): Call struct_value_rtx
9238 * config/sparc/sparc.md: Comment updated_return.
9239 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9240 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9241 struct return if sparc_std_struct_return and incoming is 2.
9242 (print_operand): Do not adjust return if
9243 sparc_std_struct_return.
9245 2006-04-04 Roger Sayle <roger@eyesopen.com>
9247 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9248 convert in the middle-end.
9249 * expr.c (store_expr, store_constructor, get_inner_reference,
9250 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9252 * tree.c (build_range_type): Likewise.
9254 2006-04-04 Tom Tromey <tromey@redhat.com>
9256 * doc/install.texi (Prerequisites): Mention jar.
9258 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9260 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9263 2006-04-04 Matthias Klose <doko@debian.org>
9265 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9269 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9272 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9274 * doc/extend.texi (Function Attributes): Rewrite visibility
9275 attribute documentation.
9276 * doc/invoke.texi (C++ Dialect Options): Rewrite
9277 -fvisibility-inlines-hidden documentation to describe something
9278 entirely different, although in practise compatible.
9279 (Code Gen Options): Warn about system headers in -fvisibility=
9282 * doc/extend.texi (Other Builtins): Document that
9283 __builtin_nan is a compile-time constant only when its argument
9286 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9288 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9289 trying to remove TRUNCATE check if all bits outside the new mode
9290 are identical to the sign bit.
9292 2006-04-03 Jeff Law <law@redhat.com>
9294 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9295 and operand scanning in some common cases.
9297 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9298 Dale Johannesen <dalej@apple.com>
9301 * regclass.c (struct reg_pref): Update documentation.
9302 (regclass): Set prefclass to NO_REGS if memory is the best option.
9303 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9304 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9305 into account. For non-registers, equate an empty preferred
9306 reload class to a `!' in the constraint; move the if clause to
9307 do so after those that reject the insn.
9308 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9310 (find_dummy_reload): Likewise.
9311 * doc/tm.texi (Register Classes): Document what it means
9312 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9313 * config/i386/i386.c (ix86_preferred_reload_class): Force
9314 using SSE registers (and return NO_REGS for floating-point
9315 constants) if math is done with SSE.
9316 (ix86_preferred_output_reload_class): New.
9317 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9318 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9319 * config/i386/i386.md: Remove # register preferences.
9321 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9324 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9325 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9326 the type of nb_iter.
9327 (instantiate_parameters_1): Convert the operands before calling
9328 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9329 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9331 2006-04-02 Roger Sayle <roger@eyesopen.com>
9333 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9334 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9336 * dojump.c (do_jump): Likewise.
9337 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9338 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9339 gimplify_boolean_expr): Likewise.
9340 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9341 * varasm.c (array_size_for_constructor): Likewise.
9342 * tree-object-size.c (compute_object_offset): Likewise.
9344 2006-04-02 Roger Sayle <roger@eyesopen.com>
9347 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9348 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9350 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9352 PR tree-optimization/26939
9353 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9357 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9358 at_stmt. Convert the type of operands before calling
9359 build_polynomial_chrec.
9360 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9362 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9363 (instantiate_parameters_1): Convert the type of operands before calling
9364 build_polynomial_chrec.
9365 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9366 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9367 reset_evolution_in_loop): Insert asserts to check the types of the
9369 (chrec_type): Moved...
9370 (eq_evolutions_p): Use operand_equal_p.
9371 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9372 the types of the operands.
9373 (chrec_type): ...here.
9374 * tree-data-ref.c (create_data_ref): Convert the operands before
9375 calling chrec_replace_initial_condition.
9376 (same_access_functions, analyze_subscript_affine_affine,
9377 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9378 (compute_subscript_distance, analyze_ziv_subscript,
9379 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9380 analyze_miv_subscript): Convert the operands before calling
9381 chrec_fold_minus or chrec_fold_plus.
9383 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9385 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9386 the dependence_relations vector.
9387 (compute_data_dependences_for_loop): Adjust call to
9388 compute_all_dependences.
9390 2006-04-01 Roger Sayle <roger@eyesopen.com>
9391 Richard Henderson <rth@redhat.com>
9393 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9394 gimple_boolify on the condition before calling gimplify_expr.
9396 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9398 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9399 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9400 the frame size. Update to use the new macros.
9401 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9402 * config/xtensa/ieee754-df.S: Likewise.
9404 2006-03-31 Richard Henderson <rth@redhat.com>
9406 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9407 (make_edges): ... here. Control fallthru creation with a local
9408 variable. Do not play with fake edges.
9409 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9410 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9413 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9415 * dwarf2.h (DW64_CIE_ID): Define.
9416 * dwarf2out.c (DWARF_CIE_ID): Define.
9417 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9418 length header. Use DWARF_CIE_ID.
9419 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9420 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9422 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9424 * config/sh/linux-atomic.asm: New file.
9425 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9427 2006-03-31 DJ Delorie <dj@redhat.com>
9429 * config/m32c/cond.md: Set condition flags properly throughout.
9430 * config/m32c/minmax.md: Likewise.
9431 * config/m32c/prologue.md: Likewise.
9432 * config/m32c/bitops.md: Likewise.
9433 * config/m32c/muldiv.md: Likewise.
9434 * config/m32c/mov.md: Likewise.
9435 * config/m32c/addsub.md: Likewise.
9436 * config/m32c/m32c.md: Likewise.
9437 * config/m32c/jump.md: Likewise.
9438 * config/m32c/shift.md: Likewise.
9440 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9441 conditionally output the pattern for this.
9442 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9443 (m32c_compare_redundant): New.
9444 (m32c_output_compare): New.
9445 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9447 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9448 dest, not src. Allow other 4-byte modes.
9450 2006-03-30 Denis Chertykov <denisc@overta.ru>
9452 * doc/md.texi: Refer to avr/constraints.md instead of
9455 2006-03-30 Roger Sayle <roger@eyesopen.com>
9457 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9458 signed vs. unsigned comparison failures on some hosts.
9460 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9463 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9464 change to FLOAT_REGS.
9466 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9467 (rs6000_override_options): Use it.
9468 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9469 only for -mabi=spe/no-spe and -mabi=altivec.
9471 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9473 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9476 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9478 * Makefile.in: Rename docdir to gcc_docdir.
9480 2006-03-30 Roger Sayle <roger@eyesopen.com>
9483 * expr.c (emit_group_store): Optimize group stores into a pseudo
9484 register by using a paradoxical subreg to initialize the destination
9485 if the first or last member of the group specifies a "low part".
9487 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9490 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9491 * target.h (struct gcc_target.speculate_insn): Change type of the
9492 second parameter to 'int'.
9493 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9494 the second operand of the DEPS_LIST.
9495 (copy_DEPS_LIST_list): Update reference to the second operand of the
9497 * rtl.h (alloc_DEPS_LIST): Update signature.
9498 * sched-int.h (ds_t): Change typedef to 'int'.
9499 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9501 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9503 * haifa-sched.c (try_ready): Change condition to restore
9504 non-speculative pattern of the instruction.
9505 (process_insn_depend_be_in_spec): Code to keep probability of the
9506 speculative dependence non-decreasing.
9508 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9510 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9511 (single_move_for_movmem): ... this. Also change all uses.
9512 (bfin_expand_strmov): Renamed to...
9513 (bfin_expand_movmem): ... this. Also change all uses.
9514 * config/bfin/bfin.md (movstrsi): Renamed to...
9515 (movstrsi): ...this.
9517 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9519 PR tree-optimization/26830
9521 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9522 (copy_prop_visit_stmt): Remove write-only variable ann.
9523 (init_copy_prop): Check variable loop depth here. Do not simulate
9524 memory-tag and virtual operand PHIs except for store copy prop.
9526 2006-03-30 Richard Guenther <rguenther@suse.de>
9528 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9529 variants with double arguments.
9531 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9533 * genpreds.c (write_tm_constrs_h): Delete variable p.
9534 * genconditions.c (write_header): Add tm-constrs.h to included
9536 * genpeep.c (main): Add toplev.h to included headers.
9537 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9538 (build/genpeep.o): Add toplev.h dependency.
9539 * config/rs6000/constraints.md: Add "W" constraint.
9541 2006-03-29 Roger Sayle <roger@eyesopen.com>
9543 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9544 sizes by correctly testing whether the size fits a host integer.
9545 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9546 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9547 SImode range for the default sizetype and bitsizetype.
9549 2006-03-29 Roger Sayle <roger@eyesopen.com>
9551 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9552 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9553 quickly if the argument is already of the correct type.
9554 Call fold_build1 instead of build1. Tidy up blank lines.
9556 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9558 * genemit.c (main): Add tm-constrs.h to included headers.
9559 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9560 * genpeep.c (main): Add tm-constrs.h to included headers.
9561 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9562 (write_tm_constrs_h): this and write complete file.
9563 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9564 (write_insn_preds_c): Add tm-constrs.h to included headers.
9565 (gen_constrs): New variable.
9566 (parse_option): Parse "-c".
9567 (main): Invoke write_tm_constrs_h.
9568 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9569 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9570 (object_out_file): Add tm-constrs.h dependency.
9571 (insn-emit.o): Same.
9572 (insn-output.o): Same.
9573 (insn-peep.o): Same.
9574 (insn-preds.o): Same.
9575 (insn-recog.o): Same.
9576 (tm-constsr.h): New target.
9577 (s-constrs-h): New target.
9579 * config/rs6000/constraints.md: New file.
9580 * config/rs6000/rs6000.c: Include tm-constrs.h.
9581 (num_insn_constant_wide): Convert to satisfies_constraint.
9582 (rs6000_rtx_costs): Convert to satisfies_constraint.
9583 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9584 (CONST_OK_FOR_LETTER_P): Delete.
9585 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9586 (EXTRA_CONSTRAINT): Delete.
9587 (EXTRA_MEMORY_CONSTRAINT): Delete.
9588 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9589 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9590 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9591 satisfies_constraint.
9593 * config/i386/i386.c: Include tm-constrs.h.
9595 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9597 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9598 * tree-data-ref.c (find_data_references_in_loop,
9599 compute_data_dependences_for_loop): Use pointers to VEC.
9600 (analyze_all_data_dependences): Adjust calls.
9601 * tree-data-ref.h (find_data_references_in_loop,
9602 compute_data_dependences_for_loop): Adjust declarations.
9603 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9604 compute_data_dependences_for_loop.
9606 2006-03-29 Paul Brook <paul@codesourcery.com>
9608 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9611 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9613 PR tree-optimization/26859
9614 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9616 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9617 for the step after fold_convert.
9619 2006-03-29 Paul Brook <paul@codesourcery.com>
9621 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9622 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9624 2006-03-29 Paul Brook <paul@codesourcery.com>
9627 * targhooks.c (default_narrow_bitfield): New fuction.
9628 * targhooks.h (default_narrow_bitfield): add prototype.
9629 * target.h (gcc_target): Add narrow_volatile_bitfield.
9630 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9631 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9632 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9633 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9635 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9637 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9639 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9640 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9641 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9642 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9643 (s390_function_arg_float): Allow SDmode and DDmode values to be
9644 passed in floating point registers.
9645 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9646 check with SCALAR_FLOAT_MODE_P.
9647 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9649 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9651 PR tree-optimization/25985
9652 * tree-ssa-loop-niter.c (number_of_iterations_le,
9653 number_of_iterations_ne): Make comments more precise.
9654 (number_of_iterations_cond): Add only_exit argument. Use the
9655 fact that signed variables do not overflow only when only_exit
9657 (loop_only_exit_p): New.
9658 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9659 number_of_iterations_cond.
9661 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9663 PR tree-optimization/26643
9664 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9667 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9669 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9670 (divsi3_i4_int): Likewise.
9672 2006-03-28 Roger Sayle <roger@eyesopen.com>
9674 * expr.c (emit_group_store): Only create a new pseudo reg if the
9675 quantity it needs to hold isn't already a suitable pseudo.
9677 2006-03-28 Jeff Law <law@redhat.com>
9679 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9680 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9682 2006-03-28 Roger Sayle <roger@eyesopen.com>
9684 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9685 the equivalent ~X & Y, and the symmetry related transformations.
9686 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9687 ~X & Y, and symmetry related transforms.
9689 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9691 Revert my 2006-03-27 patches.
9693 2006-03-28 Roger Sayle <roger@eyesopen.com>
9695 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9696 ~(T1)X, when T1 and T2 are integer types of the same precision
9697 and (T2)X isn't an extension.
9699 2006-03-28 Jeff Law <law@redhat.com>
9701 PR tree-optimization/26796
9702 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9703 need EH edge cleanups rather than purging them immediately.
9704 (eliminate_degenerate_phis): Handle queued EH cleanups.
9706 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9708 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9711 2006-03-27 Roger Sayle <roger@eyesopen.com>
9714 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9715 cast BIT_NOT_EXPR operand to the correct type.
9717 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9719 * tree-loop-linear.c: Don't include varray.h.
9720 (gather_interchange_stats, try_interchange_loops,
9721 linear_transform_loops): Use VEC instead of VARRAY.
9722 * lambda-mat.c: Don't include varray.h.
9723 * tree-chrec.c: Same.
9724 * lambda-trans.c: Same.
9725 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9726 VEC instead of VARRAY.
9727 * tree-vectorizer.h: Idem.
9728 * tree-data-ref.c (dump_data_references,
9729 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9730 initialize_data_dependence_relation, finalize_ddr_dependent,
9731 compute_all_dependences, find_data_references_in_loop,
9732 compute_data_dependences_for_loop, analyze_all_data_dependences,
9733 free_dependence_relation, free_dependence_relations,
9734 free_data_refs): Idem.
9735 * tree-data-ref.h (data_reference_p, subscript_p): New.
9736 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9737 VEC instead of VARRAY.
9738 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9739 (find_data_references_in_loop, compute_data_dependences_for_loop,
9740 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9741 dump_data_dependence_relations, free_dependence_relations,
9742 free_data_refs): Adjust declaration.
9743 (lambda_transform_legal_p): Move declaration here...
9744 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9745 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9746 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9747 vect_analyze_data_refs): Use VEC instead of VARRAY.
9748 * lambda.h (lambda_transform_legal_p): ...from here.
9749 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9750 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9751 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9752 tree-chrec.o): Don't depend on VARRAY_H.
9754 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9756 * rtl.def (Copyright): Update date.
9757 (DEPS_LIST): Change type of the second operand to 'int'.
9758 * target.h (Copyright): Update date.
9759 (struct gcc_target.speculate_insn): Change type of the second parameter
9761 * lists.c (Copyright): Update date.
9762 (alloc_DEPS_LIST): Change signature. Update reference to the second
9763 operand of the DEPS_LIST.
9764 (copy_DEPS_LIST_list): Update reference to the second operand of the
9766 * rtl.h (Copyright): Update date.
9767 (alloc_DEPS_LIST): Update signature.
9768 * sched-int.h (Copyright): Update date.
9769 (ds_t): Change typedef to 'int'.
9770 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9772 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9774 * haifa-sched.c (Copyright): Update date.
9775 (try_ready): Change condition to restore non-speculative pattern
9777 (process_insn_depend_be_in_spec): Code to keep probability of the
9778 speculative dependence non-decreasing.
9780 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9782 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9783 shut up the compiler.
9785 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9787 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9788 to use lib prefix for target.
9789 ($(T)libic_invalidate_array_4-200.a): Likewise.
9790 ($(T)libic_invalidate_array_4a.a): Likewise.
9792 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9793 J"orn Rennecke <joern.rennecke@st.com>
9795 * superh.opt: New file.
9796 * sh.c (boardtype, osruntime): Remove.
9797 * superh.h (SUBTARGET_OPTIONS): Remove.
9798 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9800 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9801 arguments with ^ and/or [].
9803 * config.gcc (sh-*-*): Add quoting to account for quirk of
9805 Replace == with = in enable_incomplete_targets test.
9807 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9808 with MASK_LITTLE_ENDIAN.
9810 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9811 * config/sh/sh.opt: Added to some comments.
9812 * config/sh/superh.h: Removed some chaff.
9814 * config/sh/sh.opt: Add m4-[1234]00* options.
9815 * config/sh/sh.c (sh_handle_option): Likewise.
9816 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9817 (ic_invalidate_array_4-100.o): New rule.
9818 ($(T)libic_invalidate_array_4-100.a): Likewise.
9819 (ic_invalidate_array_4-200.o): Likewise.
9820 ($(T)libic_invalidate_array_4-200.a): Likewise.
9821 (ic_invalidate_array_4a.o): Likewise.
9822 ($(T)libic_invalidate_array_4a.a): Likewise.
9823 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9824 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9826 * config/sh/crt1.asm: Merged in profiling code.
9827 * config/sh/superh.h (STARTFILE_SPEC): Override.
9828 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9829 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9830 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9832 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9833 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9834 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9836 * sh.opt (mpretend-cmove): New option.
9837 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9838 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9839 (movsicc): Add TARGET_PRETEND_CMOVE code.
9841 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9843 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9844 s390_class_max_nregs): New function prototypes.
9845 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9846 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9847 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9848 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9850 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9852 * dwarf2out.c (add_location_or_const_value_attribute): Call
9853 tree_add_const_value_attribute if nothing else works.
9854 (reference_to_unused): New.
9855 (rtl_for_decl_init): Use reference_to_unused to decide whether
9856 to output an initializer.
9858 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9861 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9862 peephole removing spe frob_di_df_2.
9864 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9866 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9867 (subscript_dependence_tester_1): Declared.
9868 (print_dir_vectors, print_dist_vectors): New.
9869 (debug_data_dependence_relation): New.
9870 (dump_data_dependence_relation): Print more details.
9871 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9872 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9873 (save_dist_v, save_dir_v, add_outer_distances,
9874 build_classic_dist_vector_1): New.
9875 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9876 Don't test for lambda_vector_lexico_pos.
9877 (same_access_functions, add_multivariate_self_dist,
9878 add_other_self_distances, dir_from_dist): New.
9879 (build_classic_dir_vector): Replace implementation almost identical to
9880 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9882 (subscript_dependence_tester_1): New.
9883 (subscript_dependence_tester): Handle the lexicographically negative
9884 distance vectors by recomputing the dependence relation.
9885 (compute_affine_dependence): Remove parameter loop_nest_depth.
9886 (compute_self_dependence): Don't call compute_subscript_distance.
9887 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9888 Add a parameter for the loop_nest.
9889 (find_loop_nest_1, find_loop_nest): New.
9890 (compute_data_dependences_for_loop): Compute the loop nest, and give
9891 up if the nest is not well formed.
9892 * tree-data-ref.h (loop_p): New.
9893 (struct data_dependence_relation): Replace size_vect field with
9894 loop_nest, a vec of loops.
9895 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9896 (DDR_LOOP_NEST): New.
9897 (print_dir_vectors, print_dist_vectors,
9898 debug_data_dependence_relation): Declared.
9899 (index_in_loop_nest): New.
9900 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9901 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9904 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9906 * simplify-rtx.c (simplify_relational_operation): Call
9907 simplify_relational_operation_1 even if mode is VOIDmode.
9909 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9911 PR tree-optimization/26804
9912 * tree.h (DECL_CALL_CLOBBERED): New macro.
9913 (tree_decl_common): Add call_clobbered_flag.
9914 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9915 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9916 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9917 (mark_non_addressable): Ditto.
9918 * tree-ssa.c (verify_call_clobbered): New function.
9919 (verify_alias_info): Use it.
9920 * tree-pass.h (pass_reset_cc_flags): New prototype.
9921 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9922 (reset_cc_flags): New function.
9923 * passes.c (init_optimization_passes): Call reset_cc_flags after
9924 initializing referenced_vars.
9926 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9927 Roger Sayle <roger@eyesopen.com>
9930 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9931 to 1.0 for non-real operands. Implement A / A optimization for
9934 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9936 * config/i386/i386.c (size_cost): Correct the comment for
9937 cost of storing fp registers.
9938 (i386_cost): Likewise.
9939 (i486_cost): Likewise.
9940 (pentium_cost): Likewise.
9941 (pentiumpro_cost): Likewise.
9942 (k6_cost): Likewise.
9943 (athlon_cost): Likewise.
9944 (k8_cost): Likewise.
9945 (pentium4_cost): Likewise.
9946 (nocona_cost): Likewise.
9947 (generic64_cost): Likewise.
9948 (generic32_cost): Likewise.
9950 2006-03-24 Denis Chertykov <denisc@overta.ru>
9952 * config/avr/avr-protos.h (extra_constraint): Delete.
9953 (extra_constraint_Q): New declaration.
9954 * config/avr/constraints.md: New file.
9955 * config/avr/avr.md: Include it.
9956 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9957 (TMP_REGNO, ZERO_REGNO): Likewise.
9958 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9959 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9960 (extra_constraint): Delete.
9961 (extra_constraint_Q): Test for memory constraint 'Q'.
9962 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9963 (REG_CLASS_FROM_LETTER): Delete.
9964 (CONST_OK_FOR_LETTER_P): Delete.
9965 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9966 (EXTRA_CONSTRAINT): Delete.
9967 (TMP_REGNO): Delete.
9968 (ZERO_REGNO): Delete.
9970 2006-03-24 Jeff Law <law@redhat.com>
9972 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9973 directly. Call mark_new_vars_to_rename slightly earlier.
9975 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9977 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9979 (gen_compile_unit_die): Use new language types for Objective-C and
9981 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9982 DW_LANG_C_plus_plus.
9985 * config/t-darwin (crt3.o): Work around bug 26840.
9986 * config/darwin-crt3.c: Rewrite.
9987 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9989 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9991 * doc/invoke.texi: Document -femit-class-debug-always
9992 * common.opt: Add -femit-class-debug-always.
9994 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9996 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9997 index and base register.
9998 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9999 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10000 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10001 REGNO_OK_FOR_INDEX_P.
10002 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10004 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10005 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10006 REG_OK_FOR_BASE_P): Definitions removed.
10008 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10010 PR middle-end/26611
10011 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10012 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10013 set yet or weren't marked as local yet.
10015 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10017 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10020 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10022 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10023 (rs6000_legitimate_small_data_p): Delete.
10024 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10025 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10026 and make static. Add forward declaration. Update uses.
10027 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10028 of offsettable_memref_p.
10029 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10030 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10032 2006-03-24 Jeff Law <law@redhat.com>
10034 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10035 around bug in immediate-use iterator.
10037 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10040 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10041 or __LITTLE_ENDIAN__.
10043 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10045 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10046 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10047 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10048 * config/sh/sh.opt (mdiv=): Amend description.
10049 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10050 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10051 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10052 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10053 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10054 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10055 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10056 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10057 TARGET_DIVIDE_CALL_FP.
10059 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10061 * haifa-sched.c (choose_ready): Fix type of the local variable.
10062 Move local variables. Add comment.
10063 (check_reg_live): Change signature. Make callable from debugger.
10064 * sched-int.h (check_reg_live): Update signature.
10065 * sched-ebb.c (check_reg_live): Update parameters.
10066 * sched-rgn.c (check_reg_live): Ditto.
10067 (region_head_or_leaf_p): Check pointer before dereferencing.
10068 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10069 before reload on optimization levels below 1.
10071 2006-03-23 Richard Henderson <rth@redhat.com>
10073 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10077 * config/alpha/predicates.md (local_symbolic_operand): Reject
10080 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10083 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10084 expressions which have overflowed constants.
10086 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10088 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10090 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10092 * cfgloopmanip.c (create_loop_notes): Removed.
10093 * final.c (final_scan_insn): Do not handle loop notes.
10094 * jump.c (squeeze_notes): Ditto.
10095 * cfglayout.c (skip_insns_after_block,
10096 duplicate_insn_chain): Ditto.
10097 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10099 * cfgloop.h (create_loop_notes): Declaration removed.
10101 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10103 * varasm.c (output_constant_pool): Restore fnname and fndecl
10105 (assemble_start_function): Adjust call accordingly.
10106 (assemble_end_function): Likewise.
10108 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10111 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10114 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10116 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10119 * system.h (ICE_EXIT_CODE): New macro.
10120 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10121 (diagnostic_action_after_output): Likewise.
10122 * gcc.c (fatal_ice): New function.
10123 (execute): Use it instead of fatal.
10124 (fancy_abort): Likewise.
10125 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10127 2006-03-22 Jeff Law <law@redhat.com>
10129 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10130 iv_analyze_result returning false.
10132 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10134 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10136 2006-03-22 Richard Henderson <rth@redhat.com>
10138 PR middle-end/26084
10139 * except.c (duplicate_eh_regions_0): New.
10140 (duplicate_eh_region_1): Duplicate the children of the node as
10141 well as the node itself. Link them up properly.
10142 (duplicate_eh_region_2): Merge into ...
10143 (duplicate_eh_regions): ... here. Take copy_region argument, and
10144 copy only a sub-tree if asked. Simplify copying and fixup.
10145 (eh_region_outer_p): New.
10146 * except.h (duplicate_eh_regions): Update decl.
10147 (eh_region_outer_p): Declare.
10148 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10149 (lower_omp_master): Likewise.
10150 (lower_omp_ordered): Likewise.
10151 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10152 (move_stmt_r): Use it to remap labels. Handle recursion vs
10153 remap_decls_p properly.
10154 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10155 (find_outermost_region_in_block): New.
10156 (new_label_mapper): New.
10157 (move_sese_region_to_fn): Copy eh information to the new function
10159 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10161 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10164 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10166 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10167 into shared libraries.
10169 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10171 * doc/md.texi: Refer to i386/constraints.md instead of
10172 i386/predicates.md.
10173 * config/i386/constraints.md: New file, extracted from...
10174 * config/i386/predicates.md: ...here.
10175 * config/i386/i386.md: Include constraints.md.
10177 2006-03-21 Jason Merrill <jason@redhat.com>
10179 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10181 PR middle-end/20297
10182 * expr.c (init_block_move_fn): Force default visibility.
10183 (init_block_clear_fn): Likewise.
10184 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10185 * targhooks.c (default_external_stack_protect_fail): Likewise.
10187 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10189 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10190 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10191 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10192 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10193 (loadgp): Use mips_current_loadgp_style.
10194 (loadgp_noshared): New pattern.
10195 (sibcall_internal): Use MIPS_CALL.
10196 (sibcall_value_internal): Likewise.
10197 (sibcall_value_multiple_internal): Likewise.
10198 (call_internal): Likewise.
10199 (call_value_internal): Likewise.
10200 (call_value_multiple_internal): Likewise.
10201 (call_split): Use MIPS_CALL and add an 'S' constraint.
10202 (call_value_split): Likewise.
10203 (call_value_multiple_split): Likewise.
10204 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10205 (-mshared): New option.
10206 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10207 (mips_current_loadgp_style): Declare.
10208 * config/mips/mips.c (mips_classify_symbol): Avoid using
10209 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10210 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10211 TARGET_ABSOLUTE_ABICALLS.
10212 (override_options): Adjust comments. Improve the warning that is
10213 issued when -mabicalls and -G are used together.
10214 (mips_file_start): Remove comment.
10215 (mips_current_loadgp_style): New function.
10216 (mips_gnu_local_gp): New variable.
10217 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10219 (mips_output_function_prologue): Use mips_current_laodgp_style.
10220 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10221 the cprestore instruction.
10222 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10223 live for TARGET_ABSOLUTE_ABICALLS.
10224 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10225 (ASM_SPEC): Pass down -mshared and -mno-shared.
10226 (MIPS_CALL): New macro.
10227 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10229 * doc/invoke.texi (-mabicalls): Update documentation.
10230 (-mshared): Document.
10232 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10234 * config/ia64/unwind-hpux.c: New file.
10235 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10237 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10240 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10242 2006-03-21 Jeff Law <law@redhat.com>
10244 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10245 type conversions of a VR_VARYING source to a wider type.
10247 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10249 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10250 tm_file on Solaris 10 and later.
10251 (sparc64-*-solaris2*): Likewise.
10252 (sparc-*-solaris2*): Likewise.
10253 * config/sol26.h: Rename to config/sol2-6.h.
10254 * config/sol2-10.h: New file.
10256 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10259 * tree-ssa-pre.c (create_component_ref_by_pieces):
10262 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10265 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10266 return it immediately.
10268 2006-03-21 Michael Matz <matz@suse.de>
10270 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10272 (remove_arc, add_arc): Update num_out_arcs member.
10273 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10275 (cache_presence): New function.
10276 (compare_states_for_equiv): New function.
10277 (state_is_differed): Don't take number of outargs, adjust callers.
10278 Use new invariant for speeding up.
10279 (init_equiv_class): Create initial classes based on sorted
10281 (partition_equiv_class): Don't track out_arcs_num.
10282 (evaluate_equiv_classes): Call cache_presence on all states and
10285 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10287 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10288 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10289 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10290 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10292 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10293 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10294 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10295 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10296 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10298 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10299 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10300 (REGNO_REG_CLASS): ARGP is in PREGS.
10301 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10303 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10304 to deal with those addresses.
10305 * addresses.h: New file.
10306 * caller-save.c: Include "addresses.h".
10307 (init_caller_save): Use new base_reg_class function.
10308 * rtl-factoring.c: Include "addresses.h".
10309 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10310 * recog.c: Include "addresses.h".
10311 (preprocess_constraints): Use new base_reg_class function.
10312 * regrename.c: Include "addresses.h".
10313 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10314 functions. Keep track of a new var INDEX_CODE to compute valid
10316 (replace_oldest_value_addr): Likewise.
10317 (replace_oldest_value_mem): Use base_reg_class.
10318 * reload.c: Include "addresses.h".
10319 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10320 (find_reloads): Use new base_reg_class function.
10321 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10322 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10323 all callers and prototype changed.
10324 * reload1.c: Include "addresses.h".
10325 (maybe_fix_stack_asms): Use base_reg_class.
10326 * regclass.c: Include "addresses.h".
10327 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10328 (init_reg_autoinc): Use new base_reg_class function.
10329 (record_reg_classes): Likewise.
10330 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10331 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10332 Use new args to compute necessary class.
10334 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10335 regrename.o, rtl-factoring.o): Update dependencies.
10336 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10337 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10338 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10339 REG_OK_FOR_INDEX_P): Delete documentation.
10341 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10343 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10344 from V7 to V9 for Solaris 7 and above.
10346 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10348 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10349 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10350 argument pointers may not alias any other storage.
10351 * common.opt: Define option -fargument-noalias-anything.
10352 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10353 alias semantics is specified by flag_argument_noalias > 2.
10355 2006-03-20 Jeff Law <law@redhat.com>
10357 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10358 (pass_phi_only_cprop): Declare.
10359 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10360 with phi_only_cprop
10361 * tree-ssa-dom.c (degenerate_phi_result): New function.
10362 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10363 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10364 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10365 (eliminate_degenerate_phis): Likewise.
10366 (pass_phi_only_cprop): New pass descriptor.
10367 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10368 support code. Callers updated.
10369 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10370 (store_copy_prop): Likewise.
10371 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10373 2006-03-20 Jason Merrill <jason@redhat.com>
10376 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10377 (push_visibility, pop_visibility): Likewise.
10378 * c-pragma.h: Declare them.
10380 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10382 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10384 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10385 parameter and use get_ebb_head_tail.
10386 (sh_md_init_global): Adjust uses of find_regmode_weight.
10388 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10390 * function.h (struct function) <x_tail_recursion_reentry>:
10391 Rename to x_stack_check_probe_note.
10392 (tail_recursion_reentry): Rename to stack_check_probe_note.
10393 * function.c: Replace tail_recursion_reentry with
10394 stack_check_probe_note everywhere.
10395 (expand_function_start): Only emit a note for
10396 stack_check_probe_note with -fstack-protect.
10397 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10399 * emit-rtl.c (remove_unnecessary_notes): Remove.
10400 (pass_remove_unnecessary_notes): Remove.
10401 * rtl.h (remove_unnecessary_notes): Remove prototype.
10402 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10403 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10404 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10406 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10409 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10410 (valid_in_set): Handle ARRAY_REF.
10411 Change "if min_variant or VH" to asserts.
10412 (create_component_ref_by_pieces): Handle ARRAY_REF.
10413 (create_expression_by_pieces): Likewise.
10414 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10416 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10418 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10419 is operand of switch, not str[0].
10421 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10423 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10424 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10426 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10428 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10429 end of insn_extra_address_constraint declaration.
10431 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10433 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10434 (no-sum-in-toc): Same.
10435 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10437 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10438 NO_FP_IN_TOC for -fPIC instead of mask.
10440 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10441 (BOOT_LDFLAGS): Delete.
10443 * config/rs6000/t-aix52: Same.
10445 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10446 (stmsi[345678]_power): New.
10448 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10450 * config/ia64/ia64.opt: Add empty line to end of file.
10452 2006-03-17 Richard Guenther <rguenther@suse.de>
10454 PR middle-end/26721
10455 * builtins.c (get_pointer_alignment): For component style references
10456 adjust alignment to the component type alignment. Make sure
10457 to adjust alignment for component access of constants.
10459 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10461 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10462 unconditional jump.
10464 2006-03-17 Paul Brook <paul@codesourcery.com>
10466 * doc/install.texi: Docuemnt --with-mode.
10467 * config.gcc: Add --with-mode for arm*-*-*.
10468 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10470 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10472 * sh.c (max_labelno_before_reorg): New variable.
10473 (sh_reorg): Initialize it.
10474 (find_barrier): Check max_labelno_before_reorg before using
10475 label_to_alignment. Take length of explicit alignment insns
10476 into account. When seeing a UNSPECV_CONST_END, return it.
10478 * sh.c (fixup_mova): Set mode of affected label to QImode.
10479 (untangle_mova): New function.
10480 (find_barrier): Use it. Check mode of label before decrementing
10482 (sh_reorg): Likewise.
10483 Set mode of all insns back to VOIDmode.
10485 * sh.c (MOVA_LABELREF): New macro.
10486 (mova_p, fixup_mova, sh_reorg): Use it.
10487 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10488 ADDR_DIFF_VEC matches mova.
10490 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10492 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10493 with ATTRIBUTE_UNUSED.
10495 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10497 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10498 pointer, instead of assuming it is possible to derive the
10499 correct args size from a call insn.
10501 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10503 * rtl.h (CONST_INT_P): Define.
10504 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10505 instead of GET_CODE(x) == CONST_INT.
10506 (vax_rtx_costs): Likewise.
10507 (vax_output_int_move): Likewise.
10508 (vax_output_int_add): Likewise.
10509 (legitimate_constant_address_p): Likewise.
10510 (index_term_p): Likewise.
10511 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10512 * config/vax/vax.md (and<mode>3): Likewise.
10513 (ashrsi3): Likewise.
10515 (movstricthi): Likewise.
10516 (movstrictqi): Likewise.
10517 (rotrsi3): Likewise.
10518 (five unnamed insns): Likewise.
10520 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10522 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10523 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10524 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10525 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10526 Pass to ASM_OUTPUT_DWARF_OFFSET.
10527 * dwarf2out.c (debug_frame_section): New.
10528 (output_call_frame_info): Use debug_frame_section. Pass it to
10529 dw2_asm_output_offset.
10530 (output_die): Pass appropriate section to dw2_asm_output_offset.
10531 (output_compilation_unit_header): Likewise.
10532 (output_pubnames): Likewise.
10533 (output_aranges): Likewise.
10534 (enum dw_val_class): Break dw_val_class_lbl_offset into
10535 dw_val_class_lineptr and dw_val_class_macptr.
10536 (add_AT_lbl_offset): Delete.
10537 (add_AT_lineptr): New.
10538 (add_AT_macptr): New.
10539 (AT_lbl): Expect a lineptr or macptr.
10540 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10541 (attr_checksum): Likewise.
10542 (same_dw_val_p): Likewise.
10543 (size_of_die): Likewise.
10544 (value_format): Likewise.
10545 (output_die): Likewise.
10546 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10548 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10549 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10550 * config/darwin-protos.h (darwin_file_start): New.
10551 (darwin_asm_output_dwarf_offset): New.
10552 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10553 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10555 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10556 if not EH section; simplify.
10557 (darwin_file_start): New.
10558 (darwin_asm_output_dwarf_offset): New.
10559 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10561 (DEBUG_INFO_SECTION): Likewise.
10562 (DEBUG_ABBREV_SECTION): Likewise.
10563 (DEBUG_ARANGES_SECTION): Likewise.
10564 (DEBUG_MACINFO_SECTION): Likewise.
10565 (DEBUG_LINE_SECTION): Likewise.
10566 (DEBUG_LOC_SECTION): Likewise.
10567 (DEBUG_PUBNAMES_SECTION): Likewise.
10568 (DEBUG_STR_SECTION): Likewise.
10569 (DEBUG_RANGES_SECTION): Likewise.
10570 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10571 (ASM_OUTPUT_DWARF_OFFSET): New.
10573 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10575 * config.gcc (tm_defines): Always add to previous value rather
10578 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10580 * config/mips/predicates.md (splittable_const_int_operand): New,
10581 split from move_operand.
10582 (splittable_symbolic_operand): New.
10583 (move_operand): Add commentary. Use splittable_const_int_operand.
10584 Inline mips_atomic_symbolic_constant_p.
10585 * config/mips/mips.md: Add combine splitters for handling moves
10586 of splittable_const_int_operands and splittable_symbolic_operands.
10587 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10588 (mips_split_symbol): Declare.
10589 (mips_move_integer): Declare.
10590 * config/mips/mips.c (mips_split_p): Make global.
10591 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10592 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10593 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10594 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10595 (mips_offset_within_object_p): Handle block symbols.
10596 (mips_atomic_symbolic_constant_p): Delete.
10597 (mips_cannot_force_const_mem): Return false for constants that
10598 mips_legitimize_move can handle.
10599 (mips_use_blocks_for_constant_p): New function.
10600 (mips_split_symbol): Make global.
10601 (mips_move_integer): Likewise. Add a temporary register argument.
10602 (mips_legitimize_const_move): Use splittable_const_int_operand and
10603 splittable_symbolic_operand.
10604 (mips_use_anchors_for_symbol_p): New function.
10605 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10606 (mips_split_p): Declare.
10608 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10610 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10611 (mips*-*-linux*): Likewise.
10613 2006-03-16 Roger Sayle <roger@eyesopen.com>
10614 Daniel Speyer <dspeyer@wam.umd.edu>
10616 PR middle-end/18259
10617 * tree-dump.c (dump_real): New function.
10618 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10619 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10620 (tree-dump.o): Add $(REAL_H) to the dependencies.
10622 2006-03-16 Roger Sayle <roger@eyesopen.com>
10624 PR middle-end/21781
10625 * real.c (real_from_string): If the mantissa is zero, don't bother
10626 parsing the exponent as the result should always be zero.
10628 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10630 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10632 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10634 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10635 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10636 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10637 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10638 ia64_sched_finish_global): New static functions to implement
10639 hooks from gcc_target.sched.
10640 (spec_check_no, max_uid, pending_data_specs): New static variables.
10641 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10642 ia64_spec_check_src_p): New static functions.
10643 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10644 (TARGET_SCHED_ADJUST_COST): Removed.
10645 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10646 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10647 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10648 TARGET_SCHED_GEN_CHECK,
10649 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10650 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10651 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10652 Fixed to handle speculation checks.
10653 (rtx_needs_barrier): Fixed to handle speculative loads and
10655 (ia64_variable_issue): Added code to count speculative loads and their
10657 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10659 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10661 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10663 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10664 (ia64_reorg): Reset stops_p to NULL after it is freed.
10665 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10666 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10667 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10669 (data_speculative, control_speculative, check_load): New attributes.
10670 (mov<mode>_advanced, mov<mode>_speculative,
10671 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10672 zero_extend<mode>di2_speculative,
10673 zero_extend<mode>di2_speculative_advanced): New patterns for
10674 data and control speculative loads.
10675 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10677 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10678 New pattern for data and control speculation checks.
10679 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10680 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10681 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10682 Auxiliary definitions for the patterns.
10683 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10684 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10686 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10688 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10689 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10690 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10691 New resource constraints.
10692 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10694 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10695 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10696 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10697 msched-in-control-spec, msched-ldc, msched-control-ldc,
10698 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10699 msched-prefer-non-control-spec-insns,
10700 msched-count-spec-in-critical-path): New flags to tune speculative
10702 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10703 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10704 msched-in-control-spec, msched-ldc, msched-control-ldc,
10705 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10706 msched-prefer-non-control-spec-insns,
10707 msched-count-spec-in-critical-path): Document new flags.
10709 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10711 * target.h (struct spec_info_def): New opaque declaration.
10712 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10713 speculate_insn, needs_block_p, gen_check,
10714 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10715 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10716 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10717 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10718 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10719 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10721 (TARGET_SCHED): Use new macros.
10722 * rtl.h (copy_DEPS_LIST_list): New prototype.
10723 * sched-int.h (struct sched_info): Change signature of new_ready field,
10724 adjust all initializations. New fields: add_remove_insn,
10725 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10726 region_head_or_leaf_p.
10727 (struct spec_info_def): New structure declaration.
10728 (spec_info_t): New typedef.
10729 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10730 recovery_block, orig_pat.
10731 (glat_start, glat_end): New variables declaraions.
10732 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10734 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10735 DETACH_LIFE_INFO, USE_GLAT.
10736 (enum SPEC_SCHED_FLAGS): New enumeration.
10737 (NOTE_NOTE_BB_P): New macro.
10738 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10739 attach_life_info, debug_spec_status, check_reg_live): New functions.
10740 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10741 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10743 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10744 * ddg.c (get_block_head_tail): Adjust all uses.
10745 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10746 (sms_sched_info): Initialize new fields.
10747 (contributes_to_priority): Removed.
10748 * haifa-sched.c (params.h): New include.
10749 (get_block_head_tail): Adjust all uses.
10750 (ISSUE_POINTS): New macro.
10751 (glat_start, glat_end): New global variables.
10752 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10753 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10754 old_last_basic_block, before_recovery, current_sched_info_var,
10755 rgn_n_insns, luid): New static variables.
10756 (insn_cost1): New function. Move logic from insn_cost to here.
10757 (find_insn_reg_weight1): New function. Move logic from
10758 find_insn_reg_weight to here.
10759 (reemit_notes, move_insn, max_issue): Change signature.
10760 (move_insn1): Removed.
10761 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10762 extend_bb): New static functions to support extension of scheduler's
10764 (generate_recovery_code, process_insn_depend_be_in_spec,
10765 begin_speculative_block, add_to_speculative_block,
10766 init_before_recovery, create_recovery_block, create_check_block_twin,
10767 fix_recovery_deps): New static functions to support
10768 generation of recovery code.
10769 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10770 restore_bb_notes, move_block_after_check, move_succs): New static
10771 functions to support ebb scheduling.
10772 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10773 functions to support handling of register live information.
10774 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10775 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10776 add_jump_dependencies): New static functions.
10777 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10778 consistancy checking.
10779 (debug_spec_status): New function to call from debugger.
10780 (priority): Added code to handle speculation checks.
10781 (rank_for_schedule): Added code to distinguish speculative instructions.
10782 (schedule_insn): Added code to handle speculation checks.
10783 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10784 Fixed to handle ebbs.
10785 (move_insn): Added code to handle ebb scheduling.
10786 (max_issue): Added code to use ISSUE_POINTS of instructions.
10787 (choose_ready): Added code to choose between speculative and
10788 non-speculative instructions.
10789 (schedule_block): Added code to handle ebb scheduling and scheduling of
10790 speculative instructions.
10791 (sched_init): Initialize new variables.
10792 (sched_finish): Free new variables. Print statistics.
10793 (try_ready): Added code to handle speculative instructions.
10794 * lists.c (copy_DEPS_LIST_list): New function.
10795 * sched-deps.c (extend_dependency_caches): New function. Move logic
10796 from create_dependency_caches to here.
10797 (get_dep_weak, ds_merge): Make global.
10798 * genattr.c (main): Code to output prototype for
10799 dfa_clear_single_insn_cache.
10800 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10801 (output_dfa_clean_insn_cache_func): Code to output
10802 dfa_clear_single_insn_cache function.
10803 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10805 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10807 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10808 New static variables.
10809 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10810 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10812 (ebb_sched_info): Initialize new fields.
10813 (get_block_head_tail): Adjust all uses.
10814 (compute_jump_reg_dependencies): Fixed to use glat_start.
10815 (schedule_ebb): Code to remove unreachable last block.
10816 (schedule_ebbs): Added code to update register live information.
10817 * sched-rgn.c (region_sched_info): Initialize new fields.
10818 (get_block_head_tail): Adjust all uses.
10819 (last_was_jump): Removed. Adjust users.
10820 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10821 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10822 Implement new hooks.
10823 (check_dead_notes1): New static function.
10824 (struct region): New fields: dont_calc_deps, has_real_ebb.
10825 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10826 (BB_TO_BLOCK): Fixed to handle EBBs.
10827 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10828 (ebb_head): New static variable.
10829 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10830 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10832 (compute_dom_prob_ps): New assertion.
10833 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10834 global_live_at_start.
10835 (init_ready_list): New assertions.
10836 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10837 (new_ready): Add support for BEGIN_CONTROL speculation.
10838 (schedule_insns): Fixed code that updates register live information
10840 (schedule_region): Fixed to handle EBBs.
10841 (init_regions): Use extend_regions and check_dead_notes1.
10842 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10843 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10844 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10845 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10846 TARGET_SCHED_GEN_CHECK,
10847 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10848 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10849 * doc/invoke.texi (max-sched-insn-conflict-delay,
10850 sched-spec-prob-cutoff): Document.
10852 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10854 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10855 inter_tick, queue_index.
10856 (struct sched_info): Change signature of init_ready_list field.
10857 Adjust all initializations.
10858 (RESOLVED_DEPS): New access macro.
10859 (ready_add): Remove prototype.
10860 (try_ready): Add prototype.
10861 * sched-rgn.c (init_ready_list): Use try_ready.
10862 (schedule_region): Initialize
10863 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10864 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10865 (init_ready_list): Use try_ready.
10866 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10867 * lists.c (remove_list_elem): Remove `static'.
10868 (remove_free_INSN_LIST_elem): New function.
10869 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10870 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10871 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10873 (readyp): New variable.
10874 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10875 change_queue_index, resolve_dep): New static functions.
10876 (try_ready): New function. Adjust callers in sched-rgn.c and
10877 sched-ebb.c to use it instead of ready_add.
10878 (clock_var): Move at the begining of file.
10879 (rank_for_schedule): Fix typo.
10880 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10881 (ready_lastpos): Enforce assertion.
10882 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10883 update all callers.
10884 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10885 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10886 (queue_to_ready): Use free_INSN_LIST_list.
10887 (early_queue_to_ready): Fix typo.
10888 (schedule_block): Init readyp. Move init_ready_list call after the
10889 initialization of clock_var. Fix error in rejecting insn by
10890 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10891 that previously corrected INSN_TICKs. Add code for handling
10893 (set_priorities): Fix typo.
10894 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10895 Clarify comment and code that keeps current_sched_info->next_tail
10898 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10900 * sched-rgn.c (extend_rgns): New static function.
10901 (find_rgns): Use it.
10902 (gather_region_statistics, print_region_statistics): New static
10904 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10905 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10908 Andrey Belevantsev <abel@ispras.ru>
10910 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10911 * lists.c (unused_deps_list): New variable.
10912 (free_list): Add assertions to verify the proper distinguishing
10913 between INSN_LISTs and DEPS_LISTs.
10914 (find_list_elem, remove_list_elem, remove_list_node): New static
10916 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10917 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10918 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10919 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10921 (free_INSN_LIST_node): Likewise.
10922 * modulo-sched.c (current_sched_info): Initialize flags field.
10923 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10924 * rtl.def (DEPS_LIST): Define.
10925 * rtl.h: Declare new functions from lists.c.
10926 * sched-deps.c (spec_dependency_cache): New static variable.
10927 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10928 (add_dependence): Change return type to void. Move the logic to ...
10929 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10930 (delete_all_dependences): Add comment about forward_dependency_cache.
10931 Handle spec_dependency_cache. Handle DEPS_LISTs.
10932 (fixup_sched_groups): Clarify the change of priority of output
10933 and anti dependencies.
10934 (sched_analyze_2): Adjust add_dependence calls to create data
10935 speculative dependence.
10936 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10937 Adjust all callers. Handle DEPS_LISTS.
10938 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10939 presence of speculation.
10940 (init_dependency_caches, free_dependency_caches):
10941 Handle spec_dependency_cache.
10942 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10943 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10944 New static functions.
10945 (add_or_update_back_dep, add_or_update_back_forw_dep,
10946 add_back_forw_dep, delete_back_forw_dep): New functions.
10947 * sched-int.h (ds_t, dw_t): New typedefs.
10948 (struct sched_info): Add new field flags.
10949 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10950 Prototype new sched-deps.c functions.
10951 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10952 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10953 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10954 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10955 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10956 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10958 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10960 * sched-rgn.c (current_sched_info): Initialize flags field.
10961 (schedule_insns): Initialize current_sched_info before the sched_init
10963 * sched-ebb.c (current_sched_info): Initialize flags field.
10964 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10965 Call add_or_update_back_dep instead of add_dependence.
10966 Create control speculative dependencies.
10967 (schedule_insns): Initialize current_sched_info before the sched_init
10970 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10972 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10974 (sh_fallback_frame_state): Likewise.
10976 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10978 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10979 Do switch on default_use_cxa_atexit.
10980 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10981 * config/darwin-crt3.o: New.
10982 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10983 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10984 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10986 * config/rs6000/t-darwin: Move crt2.o building to here.
10987 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10988 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10991 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10993 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10994 from '! xxx' to '!xxx' for coding-style conformance.
10995 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10996 (EXTRA_CONSTRAINT): Likewise.
10997 * config/vax/vax.md (four unnamed insns): Likewise.
10999 2006-03-15 Paul Brook <paul@codesourcery.com>
11001 * config/arm/arm.c (minipool_pad): New.
11002 (add_minipool_forward_ref): Include pool alignment padding in address
11004 (push_minipool_fix): Set minipool_pad.
11005 (minipool_pad): Ditto.
11007 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11009 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11010 instead of GET_CODE() == MEM and REG_P() instead of
11012 (print_operand_address): Likewise.
11013 (vax_address_cost): Likewise.
11014 (vax_rtx_costs): Likewise.
11015 (vax_notice_update_cc): Likewise.
11016 (vax_output_int_add): Likewise.
11017 (INDEX_REGISTER_P): Likewise.
11018 (BASE_REGISTER_P): Likewise.
11019 (nonindexed_address_p): Likewise.
11020 (vax_mode_dependent_address_p): Likewise.
11021 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11022 (PRINT_OPERAND): Likewise.
11023 * config/vax/vax.md (ashlsi3): Likewise.
11024 (ashlsi3): Likewise.
11025 (some more unnamed insns): Likewise.
11027 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11029 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11030 iterator-style macro.
11031 (mark_control_dependent_edges_necessary): Update the use of
11032 EXECUTE_IF_CONTROL_DEPENDENT.
11034 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11036 * config/sh/predicates.md (cache_address_operand): Special.
11037 (ua_address_operand): Likewise.
11039 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11041 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11043 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11045 2006-03-15 Andreas Schwab <schwab@suse.de>
11047 * gensupport.c (identify_predicable_attribute): Don't free p_false
11048 when it is still in use.
11050 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11052 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11053 the default setting here.
11055 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11057 * tree-pass.h (pass_cfg): Remove.
11058 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11059 * passes.c (pass_cfg): Don't run it.
11061 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11063 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11064 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11066 (stack_regs_mentioned): Update the uses of
11067 stack_regs_mentioned_data. Don't access the array beyond its
11069 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11070 Don't include gt-reg-stack.h.
11072 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11073 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11075 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11077 PR middle-end/26684
11078 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11081 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11083 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11085 2006-03-14 Richard Guenther <rguenther@suse.de>
11087 PR tree-optimization/26672
11088 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11091 2006-03-14 Richard Guenther <rguenther@suse.de>
11093 PR tree-optimization/26667
11094 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11095 node for the callees. Always allow inlining if it will shrink
11098 2006-03-14 Richard Guenther <rguenther@suse.de>
11100 PR middle-end/26659
11101 * builtins.c (get_pointer_alignment): Prefer alignment
11102 information from decls over that from types.
11104 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11107 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11109 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11111 * config/rs6000/rs6000.opt (mdlmzb): New option.
11112 (msched-prolog, msched-epilog): Use Var not Mask.
11113 * doc/invoke.texi (-mdlmzb): Document.
11114 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11116 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11117 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11119 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11121 PR rtl-optimization/25739
11122 * bt-load.c (augment_live_range): Free tos pointer.
11124 * gensupport.c (identify_predicable_attribute): Free
11126 * gcov.c (create_file_names): Free name pointer.
11128 2006-03-13 Roger Sayle <roger@eyesopen.com>
11130 PR middle-end/26557
11131 * stmt.c (emit_case_nodes): Handle the case where the index is a
11132 CONST_INT, where the comparison mode is specified by the index type.
11134 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11136 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11139 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11141 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11142 (*branch_fp_inverted): Likewise.
11144 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11146 PR middle-end/25989
11147 * omp-low.c (expand_omp_for_generic): Mark istart0
11148 and iend0 as addressable.
11150 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11152 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11154 2006-03-13 Jeff Law <law@redhat.com>
11156 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11157 virtual operands are interesting.
11158 (vrp_visit_stmt): Corresponding changes.
11160 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11162 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11164 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11165 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11166 * config/bfin/crti.S: Use it instead of __PIC__.
11167 * config/bfin/crtn.S: Likewise.
11169 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11170 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11172 Lose 'G' modifier for call operand.
11173 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11174 recognize 'G' modifier.
11176 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11178 PR middle-end/18859
11179 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11180 * stmt.c (expand_case): Likewise.
11182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11184 PR rtl-optimization/26254
11185 * loop-invariant.c (seq_insns_valid_p): New function.
11186 (move_invariant_reg): Only emit new code if it is valid.
11188 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11190 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11192 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11193 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11194 (commit_one_edge_insertion): Do not look for loop notes.
11196 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11198 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11199 flag_test_coverage out of loop.
11201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11203 * final.c (shorten_branches): Remove outdated comment, and turn
11204 the if branch that guards it to continue.
11206 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11208 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11209 * cfgloop.h (struct loop): Remove unused fields.
11211 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11213 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11214 (-dL, -fdump-rtl-loop2): Update the dump file names
11216 * doc/invoke.texi: Update dump file names.
11218 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11220 * predict.c (estimate_probability): Remove.
11221 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11222 * basic-block.h (estimate_probability): Remove prototype.
11223 * passes.c (finish_optimization_passes): Dump branch prediction or
11224 profiling heuristics to the .profile tree dump.
11225 (init_optimization_passes): Unqueue pass_branch_prob.
11227 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11229 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11231 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11232 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11234 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11236 * function.h (frame_offset_overflow): Declare.
11237 * function.c (frame_offset_overflow): New function.
11238 (assign_stack_local_1): Call it to detect that the offset overflows.
11239 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11241 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11243 * config/sh/sh.c: Include alloc-pool.h.
11244 (label_ref_list_pool): New alloc pool.
11245 (label_ref_list_t): New type for lists of labels.
11246 (struct pool_node): Make wend a label_ref_list_t.
11247 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11249 (dump_table): Likewise.
11250 (sh_reorg): Set up the alloc pool before using add_constant and
11251 dump_table, and destroy it when finishing.
11253 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11255 * config/mips/mips.c: Remove redundant comment.
11257 2006-03-10 Jason Merrill <jason@redhat.com>
11260 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11261 the target was declared 'register'.
11263 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11265 * genpreds.c (write_insn_constraint_len): Change definition of
11266 insn_constraint_len to return size_t to match the declaration.
11268 2006-03-10 DJ Delorie <dj@redhat.com>
11270 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11272 (m32c_expand_insv): Fix test for an AND mask.
11274 2006-03-10 Richard Guenther <rguenther@suse.de>
11276 PR middle-end/26565
11277 * builtins.c (get_pointer_alignment): Handle component
11278 references for field alignment.
11280 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11282 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11283 when building with libgloss.
11284 (sh*elf): Implement --without-fp option.
11285 (sh64-superh-linux*): Don't multilib.
11287 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11289 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11291 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11293 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11294 Set it when one of the replacement functions returned true.
11295 Return TODO_cleanup_cfg if cfgchanged is true.
11296 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11298 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11300 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11301 instead of gen_lowpart.
11303 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11305 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11307 (mips_output_order_conditional_branch): Declare.
11308 * config/mips/mips.h (MIPS_BRANCH): New macro.
11309 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11310 for the comparison. Use gen_condjump.
11311 (mips_output_conditional_branch): Rework interface to take the
11312 asm templates for a direct branch and the inverse of a direct branch.
11313 (mips_output_order_conditional_branch): New function.
11314 (mips_builtin_branch_and_move): New function.
11315 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11316 branch condition. Use gen_single_cc as the condition for
11317 __builtin_mips_upper_* or __builtin_mips_lower_*.
11318 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11319 Use VOIDmode for the branch condition.
11320 * config/mips/predicates.md (order_operator): New predicate.
11321 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11322 (branch_fp): Rename to...
11323 (*branch_fp): ...this. Remove mode from comparison operator.
11324 Use new mips_output_conditional_branch interface.
11325 (branch_fp_inverted): Rename to...
11326 (*branch_fp_inverted): ...this and update as for *branch_fp.
11327 (*branch_zero<mode>): Rename to...
11328 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11329 Use mips_output_order_conditional_branch. Only accept ordered
11331 (*branch_zero<mode>_inverted): Rename to...
11332 (*branch_order<mode>_inverted): ...this and update as for
11333 *branch_order<mode>.
11334 (*branch_equality<mode>): Accept zero as the second operand to
11335 the equality operator. Use the new mips_output_conditional_branch
11337 (*branch_equality<mode>_inverted): Likewise.
11338 (condjump): New expander.
11339 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11341 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11342 (bc1any2t, bc1any2f): Likewise.
11343 (single_cc): New expander.
11344 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11346 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11348 * doc/md.texi: Update documentation of MIPS constraints.
11349 * config/mips/constraints.md: New file.
11350 * config/mips/mips.md: Include it.
11351 * config/mips/mips.c (mips_char_to_class): Delete.
11352 (override_options): Don't initialize mips_char_to_class.
11353 * config/mips/mips.h (mips_char_to_class): Delete.
11354 (REG_CLASS_FROM_LETTER): Delete.
11355 (CONST_OK_FOR_LETTER_P): Delete.
11356 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11357 (EXTRA_CONSTRAINT_Y): Delete.
11358 (EXTRA_CONSTRAINT_STR): Delete.
11359 (CONSTRAINT_LEN): Delete.
11360 (EXTRA_MEMORY_CONSTRAINT): Delete.
11362 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11364 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11365 original fn's eh regions.
11367 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11369 * fold-const.c (build_range_check): Make sure to use a valid type to
11370 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11373 (range_predecessor): New static function.
11374 (range_successor): Likewise.
11375 (merge_ranges): Use them to compute predecessors and successors of
11378 2006-03-09 Roger Sayle <roger@eyesopen.com>
11380 PR middle-end/26561
11381 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11382 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11384 2006-03-08 DJ Delorie <dj@redhat.com>
11386 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11387 (addpsi3): Expand to include memory operands. Remove
11388 reload-specific splits.
11389 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11390 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11391 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11392 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11393 (shift1_qi, shift1_hi, insv): New.
11394 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11395 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11396 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11398 * config/m32c/m32c-protos.h: Update as needed.
11399 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11400 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11401 Fail for unrecognized R* constraints.
11402 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11403 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11404 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11406 (m32c_init_libfuncs): New.
11407 (m32c_legitimate_address_p): Add debug wrapper.
11408 (m32c_rtx_costs): New.
11409 (m32c_address_cost): New.
11410 (conversions): Add 'B' prefix.
11411 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11412 operands, or word regnames for QI operands. 'B' prints bit
11414 (m32c_expand_setmemhi): New.
11415 (m32c_expand_movmemhi): New.
11416 (m32c_expand_movstr): New.
11417 (m32c_expand_cmpstr): New.
11418 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11419 (m32c_expand_neg_mulpsi3): Handle non-ints.
11420 (m32c_cmp_flg_0): New.
11421 (m32c_expand_movcc): New.
11422 (m32c_expand_insv): New.
11423 (m32c_scc_pattern): New.
11424 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11425 a0/a1 out of SIregs.
11426 (STORE_FLAG_VALUE): New.
11427 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11430 * config/m32c/mov.md: Make constraints more liberal.
11431 (zero_extendqihi2): Optimize r0/r1 case.
11432 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11433 * config/m32c/predicates.md (m32c_any_operand): New.
11434 (m32c_nonimmediate_operand): New.
11435 (m32c_hl_operand): New.
11436 (m32c_r3_operand): New.
11439 (memsym_operand): New.
11440 (memimmed_operand): New.
11441 (a_qi_operand): New.
11442 (m32c_eqne_operator): New.
11443 (m32c_1bit8_operand): New.
11444 (m32c_1bit16_operand): New.
11445 (m32c_1mask8_operand): New.
11446 (m32c_1mask16_operand): New.
11447 * config/m32c/blkmov.md: New file.
11448 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11450 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11452 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11453 unsigned to fix signed/unsigned comparison issue in
11454 DWARF2_FRAME_REG_OUT.
11455 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11456 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11458 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11459 of ptr into the ENABLE_CHECKING section.
11461 2006-03-08 Jeff Law <law@redhat.com>
11463 * tree-vrp.c (infer_value_range): Only count pointer uses
11464 and dereferences if -fdelete-null-pointer-checks is enabled.
11466 * tree-vrp.c (find_assert_locations): Infer value ranges for
11467 single use pointers, but do not create ASSERT_EXPRs for them.
11468 When a non-null range is inferred for a pointer, backwards
11469 propagate that range to other equivalent pointers through the
11472 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11475 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11476 language hook targets.
11477 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11478 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11479 if language hook targets were missing.
11481 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11483 * tree-ssa-opfinalize.h: Removed.
11484 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11486 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11487 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11488 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11489 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11490 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11491 finalize_ssa_v_must_def_ops): New.
11493 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11495 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11496 block as parameter.
11498 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11500 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11502 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11503 addresses with offsets; reorganize.
11505 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11506 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11507 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11509 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11512 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11514 2006-03-08 Ben Elliston <bje@au.ibm.com>
11516 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11518 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11521 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11524 2006-03-07 Richard Guenther <rguenther@suse.de>
11526 PR tree-optimization/26587
11527 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11529 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11531 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11533 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11535 * hooks.c (hook_bool_mode_rtx_true): New function.
11536 * hooks.h (hook_bool_mode_rtx_true): Declare.
11537 * toplev.c (compile_file): Call output_shared_constant_pool.
11538 * varasm.c (shared_constant_pool): New variable.
11539 (assemble_start_function, assemble_end_function): Remove arguments
11540 from call to output_constant_pool.
11541 (create_constant_pool): New function, split out from...
11542 (init_varasm_status): ...here.
11543 (force_const_mem): Choose between the shared and per-function constant
11544 pools. Set current_function_uses_const_pool when reusing old entries
11545 as well as when creating new ones.
11546 (mark_constant): Ignore data argument.
11547 (mark_constants): Remove pool argument.
11548 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11549 to decide whether the function uses a constant pool.
11550 (output_constant_pool_contents): New function, split out from...
11551 (output_constant_pool): ...here.
11552 (output_shared_constant_pool): New function.
11553 (init_varasm_once): Initialize shared_constant_pool.
11554 * output.h (output_constant_pool): Delete.
11555 (output_shared_constant_pool): Declare.
11556 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11557 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11559 2006-03-06 Nick Clifton <nickc@redhat.com>
11561 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11562 flag_strength_reduce.
11564 2006-03-06 Ben Elliston <bje@au.ibm.com>
11566 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11567 x86_64-*-linux* configurations.
11569 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11570 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11574 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11576 * basic-block.h: Remove the extern for
11577 rediscover_loops_after_threading.
11579 * cfgloop.c (cancel_loop): Make it static.
11580 * cfgloop.h: Remove the prototype for cancel_loop.
11582 * flow.c (recompute_reg_usage): Make it static.
11583 * rtl.h: Remove the prototype for recompute_reg_usage.
11585 * function.c (use_return_register): Make it static.
11586 * function.h: Remove the prototype.
11588 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11590 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11592 * recog.h: Remove the prototype for
11593 validate_change_maybe_volatile.
11595 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11597 * rtlanal.c (replace_reg): Remove.
11598 * rtl.h: Remove the prototype for replace_reg.
11600 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11602 * regclass.c (reg_scan_update): Remove.
11603 (reg_scan_mark_refs): Remove the last argument.
11604 * rtl.h: Remove the prototype for reg_scan_update.
11606 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11608 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11609 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11610 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11611 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11612 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11613 loop-invariant.c, omp-low.c, opts.c, passes.c,
11614 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11615 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11616 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11617 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11618 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11619 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11621 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11623 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11624 * dwarf2out.h: Remove the prototype for
11625 dwarf2out_add_library_unit_info.
11627 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11629 * tree.c (add_var_to_bind_expr): Remove.
11630 * tree.h: Remove the prototype for add_var_to_bind_expr.
11632 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11634 * regclass.c (n_non_fixed_regs): Remove.
11635 (init_reg_sets_1, globalize_reg): Remove all uses of
11637 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11639 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11641 * rtlanal.c (insns_safe_to_move_p): Remove.
11642 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11644 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11646 * expmed.c (expand_mult_add): Remove.
11647 * expr.h: Remove the prototype for expand_mult_add.
11649 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11651 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11652 and REG_SAVED_VAL_EXP constants.
11653 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11654 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11655 Handle regs stored by value.
11656 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11657 (execute_cfa_program): Handle DW_CFA_val_offset,
11658 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11659 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11660 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11661 (uw_install_context_1): Handle target regs stored by value.
11663 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11665 * tree-sra.c (tree_sra): Return todoflags;
11666 (generate_one_element): Set TODO_update_smt_usage if needed.
11667 (pass_sra): Remove TODO_update_smt_usage.
11668 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11670 (tree_ssa_forward_propagate_single_use_vars): Return
11671 TODO_update_smt_usage if we need to update SMT usage.
11672 (pass_forwprop): Remove TODO_update_smt_usage.
11674 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11676 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11677 (correct_use_link): Remove reference to get_stmt_operands.
11678 (update_stmt_operands): Likewise.
11679 (get_modify_expr_operands): New function factored out of
11680 parse_ssa_operands and get_expr_operands.
11681 Try to create V_MUST_DEFs for LHS by default.
11682 (get_expr_operands) <case MODIFY_EXPR>: Call
11683 get_modify_expr_operands.
11684 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11685 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11686 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11687 get_modify_expr_operands.
11689 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11691 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11692 * tree-flow.h: Remove the prototype for
11693 referenced_var_lookup_if_exists.
11695 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11697 PR rtl-optimization/26345
11699 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11701 2006-03-03 Roger Sayle <roger@eyesopen.com>
11703 PR tree-optimization/26524
11704 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11705 fold_convert to create a constant of the appropriate type.
11707 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11709 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11710 SYMBOL_REF_IN_BLOCK_P.
11711 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11712 of SYMBOL_FLAG_IN_BLOCK.
11713 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11714 instead of SYMBOL_REF_IN_BLOCK_P.
11715 * explow.c (use_anchored_address): Likewise.
11716 * rtl.c (rtx_size): Likewise.
11717 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11718 instead of SYMBOL_FLAG_IN_BLOCK.
11719 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11720 SYMBOL_REF_IN_BLOCK_P.
11721 (assemble_variable): Likewise.
11722 (output_constant_def_contents): Likewise.
11723 (output_constant_pool): Likewise.
11724 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11725 instead of SYMBOL_FLAG_IN_BLOCK.
11726 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11727 SYMBOL_REF_IN_BLOCK_P.
11728 (SYMBOL_REF_BLOCK): Likewise.
11729 (SYMBOL_REF_OFFSET): Likewise.
11730 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11731 SYMBOL_REF_IN_BLOCK_P.
11732 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11733 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11734 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11735 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11737 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11739 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11741 2006-03-02 Roger Sayle <roger@eyesopen.com>
11743 * simplify-rtx.c (simplify_unary_operation): When simplifying
11744 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11745 that we perform the right shift in the appropriate mode, and
11746 then extend or truncate the result to requested mode.
11748 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11750 * gengtype.c (main): Handle double_int type.
11751 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11752 * double-int.c: New file.
11753 * double-int.h: New file.
11754 * system.h: Include doubleint.h.
11755 * Makefile.in (SYSTEM_H): Include double-int.h.
11756 (double-int.o): Add.
11758 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11761 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11764 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11766 * tree-vrp.c (remove_range_assertions): Do not update statements
11769 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11771 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11773 * gcse.c (rest_of_handle_gcse): Ditto.
11774 * except.c (gate_handle_eh): Ditto.
11775 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11776 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11778 2006-03-02 Eric Christopher <echristo@apple.com>
11780 * config/i386/i386.c (machopic_output_stub): Add indirection to
11783 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11787 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11789 Sun Niagara specific optimizations.
11790 * config.gcc: Recognize niagara as target.
11791 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11792 (TARGET_CPU_niagara): Define.
11793 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11794 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11795 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11796 (ASM_CPU_SPEC): Likewise.
11797 (PROCESSOR_NIAGARA): New enum entry.
11798 (REGISTER_MOVE_COST): Handle Niagara.
11799 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11800 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11801 (sparc_override_options): Recognize "niagara", set appropriate
11802 default MASK_* values for it, and align functions to 32-bytes
11803 by default just like ULTRASPARC/ULTRASPARC3.
11804 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11805 (sparc64_initialize_trampoline): Likewise.
11806 (sparc_use_sched_lookahead): Use zero for niagara.
11807 (sparc_issue_rate): Use one for niagara.
11808 * config/sparc/niagara.md: New file.
11809 * config/sparc/sparc.md: Include it.
11810 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11811 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11812 when default cpu is niagara.
11813 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11814 (ASM_CPU_SPEC): Likewise.
11815 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11816 when default cpu is niagara.
11817 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11818 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11819 just like v9/ultrasparc/ultrasparc3.
11820 * doc/invoke.texi: Add documentation for "niagara" and improve
11821 existing documentation for ultrasparc variants.
11823 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11825 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11827 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11829 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11830 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11831 and say that only one is needed.
11832 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11833 * target.h (have_switchable_bss_sections): New hook.
11834 * explow.c (use_anchored_address): Check that the symbol is in a block.
11835 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11836 (bss_noswitch_section): New variables.
11837 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11838 (get_noswitch_section): New function.
11839 (get_block_for_section): Allow SECT to be null.
11840 (unlikely_text_section_p): Use SECTION_STYLE.
11841 (bss_initializer_p): New function.
11842 (get_variable_section): Move earlier in file. Take a new argument,
11843 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11844 Return one of the new *_sections in such cases.
11845 (get_block_for_decl): New function, extracting some logic from
11846 use_blocks_for_decl_p.
11847 (change_symbol_section): Remove in favor of...
11848 (change_symbol_block): ...this new function.
11849 (use_blocks_for_decl_p): Remove checks now performed by
11850 get_block_for_decl.
11851 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11852 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11853 (emit_local, emit_bss, emit_common): ...these new functions.
11854 Return true if the alignment was honored.
11855 (emit_tls_common): New function.
11856 (asm_emit_uninitialised): Delete.
11857 (assemble_variable_noswitch): New function, split out from...
11858 (assemble_variable): ...here. Don't make decisions about common
11859 variables here. Globalize all public decls that go into non-common
11860 sections. Check whether SYMBOL_REF_BLOCK is null.
11861 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11862 (output_constant_pool): Likewise.
11863 (init_varasm_once): Initialize the new section variables.
11864 (have_global_bss_p): New function.
11865 (categorize_decl_for_section): Use bss_initializer_p.
11866 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11867 (place_block_symbol): Assert that the symbol must be in a block.
11868 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11869 (TARGET_INITIALIZER): Include it.
11870 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11871 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11872 (SECTION_MACH_DEP): Bump by two.
11873 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11874 (unnamed_section): Mention SECTION_UNNAMED in comment.
11875 (named_section): Likewise SECTION_NAMED.
11876 (noswitch_section_callback): New type.
11877 (noswitch_section): New structure.
11878 (section): Add a noswitch_section alternative.
11879 (SECTION_STYLE): New macro.
11880 (tls_comm_section, comm_section, lcomm_section): Declare.
11881 (bss_noswitch_section, have_global_bss_p): Declare.
11882 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11883 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11885 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11886 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11889 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11891 * tree-vrp.c (execute_vrp): Return value.
11892 * regrename.c (rest_of_handle_regrename): Ditto.
11893 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11894 * tree-complex.c (tree_lower_complex): Ditto.
11895 (tree_lower_complex_O0): Ditto.
11896 * tracer.c (rest_of_handle_tracer): Ditto.
11897 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11898 * postreload.c (rest_of_handle_postreload): Ditto.
11899 * tree-tailcall.c (execute_tail_recursion): Ditto.
11900 (execute_tail_calls): Ditto.
11901 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11902 * tree.h (init_function_for_compilation): Ditto.
11903 * ipa-cp.c (ipcp_driver): Ditto.
11904 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11905 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11906 * final.c (compute_alignments): Ditto.
11907 (rest_of_handle_final): Ditto.
11908 (rest_of_handle_shorten_branches): Ditto.
11909 (rest_of_clean_state): Ditto.
11910 * omp-low.c (execute_expand_omp): Ditto.
11911 (execute_lower_omp): Ditto.
11912 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11913 * ipa-reference.c (static_execute): Ditto.
11914 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11915 * reorg.c (rest_of_handle_delay_slots): Ditto.
11916 (rest_of_handle_machine_reorg): Ditto.
11917 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11918 * flow.c (recompute_reg_usage): Ditto.
11919 (rest_of_handle_remove_death_notes): Ditto.
11920 (rest_of_handle_life): Ditto.
11921 (rest_of_handle_flow2): Ditto.
11922 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11923 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11924 (do_ssa_store_ccp): Ditto.
11925 (execute_fold_all_builtins): Ditto.
11926 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11927 * modulo-sched.c (rest_of_handle_sms): Ditto.
11928 * ipa-pure-const.c (static_execute): Ditto.
11929 * cse.c (rest_of_handle_cse): Ditto.
11930 (rest_of_handle_cse2): Ditto.
11931 * web.c (rest_of_handle_web): Ditto.
11932 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11933 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11934 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11935 * tree-nrv.c (tree_nrv): Ditto.
11936 (execute_return_slot_opt): Ditto.
11937 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11938 (create_structure_vars): Ditto.
11939 * loop-init.c (rtl_loop_init): Ditto.
11940 (rtl_loop_done): Ditto.
11941 (rtl_move_loop_invariants): Ditto.
11942 (rtl_unswitch): Ditto.
11943 (rtl_unroll_and_peel_loops): Ditto.
11944 (rtl_doloop): Ditto.
11945 * gimple-low.c (lower_function_body): Ditto.
11946 (mark_used_blocks): Ditto.
11947 * tree-ssa-sink.c (execute_sink_code): Ditto.
11948 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11949 (cgraph_early_inlining): Ditto.
11950 * global.c (rest_of_handle_global_alloc): Ditto.
11951 * jump.c (cleanup_barriers): Ditto.
11952 (purge_line_number_notes): Ditto.
11953 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11954 (rest_of_handle_if_after_reload): Ditto.
11955 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11956 (tree_ssa_loop_im): Ditto.
11957 (tree_ssa_loop_unswitch): Ditto.
11958 (tree_vectorize): Ditto.
11959 (tree_linear_transform): Ditto.
11960 (tree_ssa_loop_ivcanon): Ditto.
11961 (tree_ssa_empty_loop): Ditto.
11962 (tree_ssa_loop_bounds): Ditto.
11963 (tree_complete_unroll): Ditto.
11964 (tree_ssa_loop_prefetch): Ditto.
11965 (tree_ssa_loop_ivopts): Ditto.
11966 (tree_ssa_loop_done): Ditto.
11967 * predict.c (tree_estimate_probability): Ditto.
11968 * recog.c (split_all_insns_noflow): Ditto.
11969 (rest_of_handle_peephole2): Ditto.
11970 (rest_of_handle_split_all_insns): Ditto.
11971 * tree-eh.c (lower_eh_constructs): Ditto.
11972 * regmove.c (rest_of_handle_regmove): Ditto.
11973 (rest_of_handle_stack_adjustments): Ditto.
11974 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11975 * function.c (instantiate_virtual_regs): Ditto.
11976 (init_function_for_compilation): Ditto.
11977 (rest_of_handle_check_leaf_regs): Ditto.
11978 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11979 (rest_of_handle_gcse): Ditto.
11980 * ipa-type-escape.c (type_escape_execute): Ditto.
11981 * alias.c (rest_of_handle_cfg): Ditto.
11982 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11983 * profile.c (rest_of_handle_branch_prob): Ditto.
11984 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11985 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11986 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11987 * tree-dfa.c (find_referenced_vars): Ditto.
11988 * except.c (set_nothrow_function_flags): Ditto.
11989 (convert_to_eh_region_ranges): Ditto.
11990 (rest_of_handle_eh): Ditto.
11991 * emit-rtl.c (unshare_all_rtl): Ditto.
11992 (remove_unnecessary_notes): Ditto.
11993 * except.h (set_nothrow_function_flags): Ditto.
11994 (convert_to_eh_region_ranges): Ditto.
11995 * cfgexpand.c (tree_expand_cfg): Ditto.
11996 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11997 * tree-ssa-pre.c (do_pre): Ditto.
11998 (execute_fre): Ditto.
11999 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12000 (rest_of_handle_jump2): Ditto.
12001 * tree-sra.c (tree_sra): Ditto.
12002 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12003 (execute_mudflap_function_decls): Ditto.
12004 * tree-ssa-copy.c (do_copy_prop): Ditto.
12005 (do_store_copy_prop): Ditto.
12006 * ipa-prop.h (ipcp_driver): Ditto.
12007 * cfglayout.c (insn_locators_initialize): Ditto.
12008 * tree-ssa-forwprop.c
12009 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12010 * cfglayout.h (insn_locators_initialize): Ditto.
12011 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12012 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12013 (execute_late_warn_uninitialized): Ditto.
12014 * rtl.h (cleanup_barriers): Ditto.
12015 (split_all_insns_noflow): Ditto.
12016 (purge_line_number_notes): Ditto.
12017 (unshare_all_rtl): Ditto.
12018 (remove_unnecessary_notes): Ditto.
12019 (recompute_reg_usage): Ditto.
12020 (variable_tracking_main): Ditto.
12021 * integrate.c (emit_initial_value_sets): Ditto.
12022 * integrate.h (emit_initial_value_sets): Ditto.
12023 * tree-optimize.c (execute_free_datastructures): Ditto
12024 (execute_free_cfg_annotations): Ditto.
12025 (execute_fixup_cfg): Ditto.
12026 (execute_cleanup_cfg_pre_ipa): Ditto.
12027 (execute_cleanup_cfg_post_optimizing): Ditto.
12028 (execute_init_datastructures): Ditto.
12029 * tree-object-size.c (compute_object_sizes): Ditto.
12030 * combine.c (rest_of_handle_combine): Ditto.
12031 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12032 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12033 (rest_of_handle_reorder_blocks): Ditto.
12034 (rest_of_handle_partition_blocks): Ditto.
12035 * var-tracking.c (variable_tracking_main): Ditto.
12036 * tree-profile.c (tree_profiling): Ditto.
12037 * tree-vect-generic.c (expand_vector_operations): Ditto.
12038 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12039 * sched-rgn.c (rest_of_handle_sched): Ditto.
12040 (rest_of_handle_sched2): Ditto.
12041 * basic-block.h (free_bb_insn): Ditto.
12042 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12043 * tree-cfg.c (execute_build_cfg): Ditto.
12044 (remove_useless_stmts): Ditto.
12045 (split_critical_edges): Ditto.
12046 (execute_warn_function_return): Ditto.
12047 (execute_warn_function_noreturn): Ditto.
12048 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12049 * cfgrtl.c (free_bb_for_insn): Ditto.
12050 * passes.c (execute_one_pass): Run additional
12051 todos returned by execute function.
12052 * tree-pass.h (struct tree_opt_pass): Make execute
12055 2006-03-02 Richard Guenther <rguenther@suse.de>
12057 * tree-ssa-alias.c (find_used_portions): Consider taking
12058 the address as making the variable not write-only.
12060 2006-03-02 Nick Clifton <nickc@redhat.com>
12062 * config.gcc (default_use_cxa_atexit): Extend the description of
12063 this configure variable. Set its default value to "yes" for
12064 Linux, NetBSD and ELF targets on the assumption that they will
12065 use C libraries with the __cxa_atexit function.
12067 2006-03-02 Ben Elliston <bje@au.ibm.com>
12069 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12070 parameter as unused to suppress a build warning.
12072 2006-03-02 Ben Elliston <bje@au.ibm.com>
12074 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12077 2006-03-01 Roger Sayle <roger@eyesopen.com>
12080 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12081 declared name, the weak reference name, and the typeof name.
12082 (__gthrw): Avoid expanding the declared name suffix.
12083 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12085 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12087 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12089 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12090 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12091 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12092 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12093 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12094 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12095 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12096 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12097 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12098 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12099 (DW_END_default, DW_END_big, DW_END_little): New.
12100 (DW_END_lo_user, DW_END_hi_user): Define.
12101 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12102 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12103 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12106 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12108 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12110 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12112 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12114 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12116 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12117 to 'symbol_mem_tag'.
12119 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12122 2006-03-01 Roger Sayle <roger@eyesopen.com>
12124 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12126 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12129 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12130 MACHO_DYNAMIC_NO_PIC_P.
12131 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12133 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12136 * config/darwin-protos.h (darwin_asm_output_anchor):
12138 * config/darwin-sections.def (cstring_section):
12139 Add SECTION_MERGE to the flags.
12140 (literal4_section): Likewise.
12141 (literal8_section): Likewise.
12142 (objc_selector_refs_section): Likewise.
12143 (objc_cls_refs_section): Likewise.
12144 * config/darwin.c (darwin_asm_output_anchor): New
12146 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12148 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12150 Fix PR tree-optimization/26443
12151 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12152 to todo and PROP_tmt_usage to properties_destroyed.
12153 * tree-ssa-ccp.c (pass_ccp): Ditto.
12154 (pass_store_ccp): Ditto.
12155 * tree-ssa-dom.c (pass_dominator): Ditto.
12157 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12159 * tree-ssa-operands.c: Cleanup whitespace.
12160 (get_asm_expr_operands): Move before first invocation.
12161 (get_indirect_ref_operands): Likewise.
12162 (get_tmr_operands): Likewise.
12163 (get_call_expr_operands): Likewise.
12164 (append_def): Likewise.
12165 (append_use): Likewise.
12166 (append_v_may_def): Likewise.
12167 (append_v_must_def): Likewise.
12168 (add_call_clobber_ops): Likewise.
12169 (add_call_read_ops): Likewise.
12170 (add_stmt_operand): Likewise.
12171 (add_virtual_operand): Likewise.
12172 (build_ssa_operands): Likewise.
12174 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12176 PR middle-end/26022
12178 PR middle-end/24437
12179 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12180 with a call expr to ...
12181 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12183 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12185 * tree-vrp.c (extract_range_from_assert): Remove special
12186 handling for types with super-types.
12188 2006-03-01 Ben Elliston <bje@au.ibm.com>
12190 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12191 and powerpc64-*-linux* configurations.
12192 * config/t-dfprules: New file.
12194 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12195 Compile dfp-bit.c from the source directory using -DWIDTH and
12196 $DFP_CFLAGS to control the compilation of that file, rather than
12197 generating width-specific versions in the build directory.
12198 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12199 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12201 2006-02-28 Zack Weinberg <zackw@panix.com>
12203 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12206 2006-02-28 Eric Christopher <echristo@apple.com>
12208 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12209 Set up IN_LIBGCC definition of TARGET_64BIT.
12210 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12212 2006-02-28 Roger Sayle <roger@eyesopen.com>
12214 PR middle-end/14752
12215 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12216 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12217 cases via the construction of "expr != 0".
12219 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12221 * alias.c (alias_invariant, alias_invariant_size): Remove.
12222 (record_base_value): Remove.
12223 (memrefs_conflict_p): Don't look at alias_invariant.
12224 (end_alias_analysis): Don't free it.
12225 * alias.h (record_base_value): Remove prototype.
12227 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12228 Adam Nemet <anemet@caviumnetworks.com>
12230 * rtl.h (truncated_to_mode): Declare it.
12231 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12232 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12233 (RTL_HOOKS_INITIALIZER): Include it.
12234 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12235 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12236 reg_truncated_to_mode.
12237 * rtlanal.c (truncated_to_mode): Define it.
12238 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12240 2006-02-28 Jeff Law <law@redhat.com>
12242 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12243 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12244 the range allowed by TYPE_PRECISION.
12246 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12248 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12250 PR tree-optimization/26419
12251 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12254 2006-02-27 Zack Weinberg <zackw@panix.com>
12256 * doc/md.texi: Fix typo in previous change.
12258 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12262 2006-02-27 Zack Weinberg <zackw@panix.com>
12264 * rtl.def (define_constraint, define_register_constraint)
12265 (define_memory_constraint, define_address_constraint): New MD forms.
12266 * gensupport.c (process_rtx): Put define_constraint etc on the
12268 * genpreds.c (process_define_predicate): Adjust comment. Validate
12269 the name, and call validate_exp to validate the expression.
12270 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12271 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12272 all callers changed.
12273 (validate_exp, needs_variable, struct constraint_data)
12274 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12275 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12276 (const_dbl_constraints, constraint_max_namelen)
12277 (have_register_constraints, have_memory_constraints)
12278 (have_address_constraints, have_address_constraints)
12279 (have_extra_constraints, have_const_int_constraints)
12280 (have_const_dbl_constraints, mangle, add_constraint)
12281 (process_define_constraint, process_define_register_constraint)
12282 (write_enum_constraint_num, write_lookup_constraint)
12283 (write_insn_constraint_len, write_regclass_for_constraint)
12284 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12285 (write_insn_extra_memory_constraint)
12286 (write_insn_extra_address_constraint)
12287 (write_satisfies_constraint_fns): New.
12288 (write_tm_preds_h): If we have new-style constraint definitions,
12289 prototype the functions generated from them, and define the
12290 old constraint interface (still used by generic code) in terms of
12292 (write_insn_preds_c): If we have new-style constraint definitions,
12293 generate all relevant functions from those definitions.
12294 (main): Handle define_constraint etc.
12295 * genoutput.c (struct constraint_data, indep_constraints)
12296 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12297 (mdep_constraint_len): New data structures and functions, defined
12298 #ifdef USE_MD_CONSTRAINTS.
12299 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12300 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12301 use new logic to validate operand constraints against constraint
12303 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12305 * defaults.h: If none of the old-style constraint macros are
12306 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12307 old-style macros; and poison REG_CLASS_FROM_LETTER,
12308 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12310 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12311 * doc/md.texi: Document new constraint-definition mechanism and the
12312 C interface it provides. Remove references to old mechanism
12313 elsewhere in the document.
12314 (Machine Constraints): Use pathnames relative to gcc directory,
12315 i.e. config/ARCH/FILE. Change i386 section to refer to
12316 config/i386/predicates.md; update that section to match docstrings.
12317 * doc/tm.texi: Move all documentation of the old constraint-
12318 definition macros to their own section, clearly mark as obsolete.
12320 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12321 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12323 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12324 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12325 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12326 constraint strings.
12327 (splits and peepholes): Use satisfies_constraint_*.
12328 * config/i386/i386.c (memory_address_length)
12329 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12331 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12333 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12334 scalar operation to be put back into the loop.
12336 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12339 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12340 (extract_cie_info): Handle S flag in augmentation string.
12341 (execute_cfa_program): If context->signal_frame, execute also
12342 fs->pc == context->ra instructions.
12343 (uw_frame_state_for): If context->signal_frame, don't subtract one
12344 from context->ra to find FDE.
12345 (uw_update_context_1): Set context->signal_frame to
12347 (_Unwind_GetIPInfo): New function.
12348 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12349 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12351 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12352 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12353 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12354 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12355 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12356 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12357 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12358 x86_64_fallback_frame_state): Set fs->signal_frame.
12359 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12360 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12361 (frob_update_context): Likewise. Workaround missing S flag in
12362 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12363 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12364 Remove the psw_addr + 1 hack.
12366 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12368 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12369 with aggregates here.
12370 (find_func_aliases): Remove code for &<aggregate> from here.
12372 2006-02-26 Roger Sayle <roger@eyesopen.com>
12374 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12375 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12376 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12377 as (X & C) ne/eq 0.
12379 2006-02-26 Roger Sayle <roger@eyesopen.com>
12381 PR middle-end/19983
12382 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12384 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12386 * opts.c (decode_options): Do not handle flag_strength_reduce.
12387 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12388 and OPT_fstrength_reduce.
12389 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12390 flag_prefetch_loop_arrays for being nonzero.
12391 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12393 (fprefetch-loop-arrays-rtl): Removed.
12394 (flag_prefetch_loop_arrays): Do not specify the value.
12396 * doc/passes.texi: Update documentation of loop optimizer
12398 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12399 -frerun-loop-opt): Remove.
12401 2006-02-26 Richard Guenther <rguenther@suse.de>
12403 PR tree-optimization/26421
12404 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12405 in function calls that are ADDR_EXPRs as using the whole structure.
12407 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12409 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12410 * tree-pass.h (pass_loop_optimize): Remove.
12411 * passes.c (pass_loop_optimize): Never run it.
12412 * toplev.c (backend_init): Don't call init_loop.
12413 * opts.c (flag_loop_optimize_set): Remove.
12414 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12415 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12416 the old RTL loop optimizer when profiling enabled.
12417 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12418 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12419 pre-headers for the sake of the old RTL loop optimizer.
12420 * Makefile.in: Remove all references to loop.o.
12422 * doc/invoke.texi: Remove all references to -floop-optimize
12423 and -frerun-loop-opt.
12425 2006-02-26 Zack Weinberg <zackw@panix.com>
12427 * doc/md.texi (Machine Constraints): Refer to all files with paths
12428 relative to gcc directory (i.e. config/CPU/file). Add missing
12429 @table @code ... @end table to M32C subsection.
12431 2006-02-26 Roger Sayle <roger@eyesopen.com>
12433 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12435 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12437 2006-02-26 Roger Sayle <roger@eyesopen.com>
12438 James A. Morrison <phython@gcc.gnu.org>
12440 PR middle-end/21137
12441 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12442 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12443 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12444 signedness of the shift operation.
12446 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12448 PR tree-optimization/26359
12449 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12451 2006-02-25 Roger Sayle <roger@eyesopen.com>
12453 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12454 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12455 as X == 0, and some symmetry related transformations.
12456 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12458 2006-02-25 Roger Sayle <roger@eyesopen.com>
12460 PR middle-end/23673
12461 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12462 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12463 symmetry related transformations. Fold (X^C1) == C2 as
12466 2006-02-25 Juergen Weigert <jw@suse.de>
12467 Richard Guenther <rguenther@suse.de>
12469 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12471 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12473 * combine.c (gen_lowpart_or_truncate): Call
12474 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12476 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12478 * doc/invoke.texi: Move -fopenmp description to "Options for
12480 Remove reference to -lgomp.
12482 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12484 * doc/install.texi: Require GNU tar version 1.14.
12486 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12488 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12489 * doc/invoke.texi (C++ Dialect Options): Document
12490 -fno-use-cxa-get-exception-ptr.
12491 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12492 * configure: Regenerate.
12493 * c.opt (fuse-cxa-get-exception-ptr): New.
12494 * c-opts.c (c_common_handle_option): Handle
12495 OPT_fuse_cxa_get_exception_ptr.
12496 * c-common.c (flag_use_cxa_atexit): Update documentation.
12497 (flag_use_cxa_get_exception_ptr): New.
12498 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12499 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12501 (C_COMMON_OVERRIDE_OPTIONS): New.
12503 2006-02-24 Roger Sayle <roger@eyesopen.com>
12505 PR middle-end/24952
12506 * combine.c (try_combine): Explicitly check whether GET_CODE is
12507 a SET or a CLOBBER, instead on checking that it isn't a USE.
12509 2006-02-24 Roger Sayle <roger@eyesopen.com>
12511 * fold-const.c (fold_comparison): New subroutine of fold_binary
12512 containing transformations common to both the equality and
12513 ordering relational operators, factored out of fold_binary.
12514 (fold_binary): Separate out the equality operators (EQ_EXPR
12515 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12516 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12517 transformations common to both.
12518 (fold_div_compare): Fix latent bugs in the previously unreachable
12519 LT_EXPR and GE_EXPR cases.
12521 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12523 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12524 decl libname for clog to __clog on AIX.
12526 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12528 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12531 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12532 output traceback table for thunks. Localise rs6000_stack_info call.
12534 2006-02-23 Roger Sayle <roger@eyesopen.com>
12535 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12537 * gthr-posix.h (__gthrw): Fix typo in comment.
12539 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12541 * doc/cpp.texi (Character sets): Document that we do support
12542 input files to be in any character set.
12544 2006-02-23 Jeff Law <law@redhat.com>
12546 * tree.h (PHI_ARG_NONZERO): Remove.
12547 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12548 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12549 node to the new node.
12551 PR tree-optimization/26425
12552 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12553 min/max, then assume its varying.
12555 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12557 PR rtl-optimization/26316
12558 * rtlanal.c (enum may_trap_p_flags): New.
12559 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12560 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12561 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12562 (may_trap_after_code_motion_p): New function.
12563 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12564 (find_invariant_insn): Use may_trap_after_code_motion_p.
12565 * rtl.h (may_trap_after_code_motion_p): Declare.
12567 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12569 * emit-rtl.c (immed_double_const): Cleanup.
12571 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12573 Fix PR tree-optimization/26376
12574 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12577 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12579 PR middle-end/26412
12580 * gimplify.c (omp_add_variable): Guard variable size decl test with
12581 DECL_SIZE (decl) check.
12583 2006-02-23 Richard Guenther <rguenther@suse.de>
12585 PR middle-end/26439
12586 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12587 like aggregate types.
12589 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12591 * configure.ac: Add --with{,out}-long-double-128 configure option.
12592 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12593 * configure: Rebuilt.
12594 * config.in: Rebuilt.
12595 * doc/install.texi (Options specification): Document
12596 --with-long-double-128.
12598 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12599 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12600 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12601 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12603 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12605 * config/s390/s390.c (override_options): Handle
12606 TARGET_DEFAULT_LONG_DOUBLE_128.
12608 * config/alpha/alpha.c (override_options): Handle
12609 TARGET_DEFAULT_LONG_DOUBLE_128.
12611 * config/sparc/sparc.c (sparc_override_options): Handle
12612 TARGET_DEFAULT_LONG_DOUBLE_128.
12614 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12616 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12617 (real-install-headers-tar, real-install-headers-cpio)
12618 (real-install-headers-cp): New targets.
12620 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12622 * tree.h (variable_section): Delete.
12623 * varasm.c (variable_section): Delete.
12625 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12627 * install.texi: Add notes on install.texi2html.
12628 (Building in parallel): Do not use footnotes.
12630 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12633 * doc/install.texi (Configuration): Document --disable-libgomp.
12635 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12637 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12639 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12641 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12642 (vec_extractv2df_0_sse): New.
12644 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12646 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12647 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12648 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12649 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12650 to the result of the expression.
12651 (def_cfa_1): Adjust.
12652 (frame_pointer_cfa_offset): Rename to...
12653 (frame_pointer_fb_offset): ... this. Adjust all uses.
12654 (convert_cfa_to_loc_list): Rename to...
12655 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12656 Pass it on to build_cfa_loc.
12657 (compute_frame_pointer_to_cfa_displacement): Rename to...
12658 (compute_frame_pointer_to_fb_displacement): ... this. New
12659 offset parameter. Use it in computation.
12660 (gen_subprogram_die): Compute cfa_fb_offset with the new
12661 macro, and use it to compute the fb loc list and the
12664 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12666 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12667 replaced with register_operand.
12668 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12669 non-DREG is expensive.
12670 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12671 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12674 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12676 * doc/install.texi2html: Use set -e.
12678 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12680 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12681 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12682 * doc/invoke.texi (-fshared-data): Delete.
12683 * common.opt (fshared-data): Delete.
12684 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12685 (assemble_static_space): Remove #if 0 code.
12686 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12687 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12688 * config/cris/cris.h: Remove FIXME.
12690 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12692 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12695 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12697 PR middle-end/26379
12698 * combine.c (simplify_shift_const_1): Disable nested shifts
12699 optimization for vector shifts.
12701 2006-02-20 Roger Sayle <roger@eyesopen.com>
12703 PR tree-optimization/26361
12704 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12705 of unsigned integer types.
12707 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12709 * tree-chrec.c (eq_evolutions_p): New.
12710 * tree-chrec.h (eq_evolutions_p): Declared.
12711 * tree-data-ref.c: Fix formatting.
12712 (datadep_stats, dependence_stats): New.
12714 (print_direction_vector): New.
12715 (dump_data_dependence_relation): Use print_direction_vector.
12716 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12717 (compute_subscript_distance): Static.
12718 (initialize_data_dependence_relation): Static. Get the number
12719 of loops surrounding the references from the callers, and initialize
12720 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12721 base_object_differ_p analyzers.
12722 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12723 compute_overlap_steps_for_affine_1_2,
12724 analyze_subscript_affine_affine): Count the classified dependences.
12725 Print a message when a test failed.
12726 (can_use_analyze_subscript_affine_affine): New.
12727 (analyze_siv_subscript): Compute the data dependences on symbolic
12728 scevs that verify can_use_analyze_subscript_affine_affine.
12729 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12730 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12731 Handle symbolic scevs.
12732 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12734 (subscript_dependence_tester): Moved...
12735 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12736 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12737 DDR_SIZE_VECT instead of getting it in parameter.
12738 (subscript_dependence_tester): ... here. Take as a parameter
12739 loop_nest_depth. Call build_classic_dist_vector and
12740 build_classic_dir_vector.
12741 (compute_affine_dependence): Update subscript_dependence_tester
12742 parameters. Update datadep_stats counters. Call
12743 compute_subscript_distance.
12744 (compute_self_dependence): Save the dist and dir vectors. Call
12745 compute_subscript_distance.
12746 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12747 (compute_all_dependences): Reorder parameters as they were before
12748 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12749 compute_subscript_distance. Update the use of
12750 compute_affine_dependence and initialize_data_dependence_relation.
12751 (find_data_references_in_loop): Handle COMPONENT_REF.
12752 (compute_data_dependences_for_loop): Initialize dependence_stats.
12753 Don't call build_classic_dist_vector and build_classic_dir_vector.
12754 Update the parameters of initialize_data_dependence_relation and
12755 compute_all_dependences. Print the statistics from datadep_stats.
12756 (analyze_all_data_dependences): Static. Not used until the pass for
12757 checking the data dependences is contributed.
12758 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12759 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12760 (initialize_data_dependence_relation, compute_affine_dependence,
12761 analyze_all_data_dependences, compute_subscript_distance): Removed.
12762 (print_direction_vector): New.
12763 * lambda.h (gcd): ... here.
12764 (lambda_vector_gcd): Moved here from gcd_vector.
12765 * lambda-code.c (gcd, gcd_vector): Removed.
12766 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12767 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12769 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12771 * ipa-type-escape.c: Tidy some comments and white space.
12772 * tree-ssa-operands.c: Likewise.
12774 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12777 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12778 (dump_decl_name): Do not walk the decl tree chains.
12779 * tree-pass.h (TDF_CHAIN): Remove.
12781 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12783 * Makefile.in (C): Remove
12785 (.PHONY): Remove C and PROTO
12787 2006-02-20 Roger Sayle <roger@eyesopen.com>
12789 PR middle-end/26236
12790 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12791 deprecated CHAR_TYPE tree code.
12793 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12795 * configure.ac (target_list): Add install-info, dvi, html.
12796 * configure: Regenerate.
12798 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12799 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12800 treelang/Make-lang.in: Do not use double-colon rules.
12802 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12804 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12805 (TMT_USED_ALONE): New macro.
12806 * tree-pass.h (PROP_tmt_usage): New property.
12807 (TODO_update_tmt_usage): New todo.
12808 * tree-ssa-alias.c (updating_used_alone): New variable.
12809 (recalculate_used_alone): New function.
12810 (compute_may_aliases): Set updating_used_alone, call
12811 recalculate_used_alone.
12812 * tree-sra.c (pass_sra): Note that this pass destroys
12813 PROP_tmt_usage, and add TODO_update_tmt_usage.
12814 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12815 * tree-flow.h (updating_used_alone): Prototype.
12816 (recalculate_used_alone): Ditto.
12817 * passes.c (execute_todo): Add code to set updating_used_alone,
12818 and call recalculate.
12819 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12820 for clobber if used alone, and add assert to verify used_alone
12823 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12825 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12826 for non tls symbols added.
12827 (legitimize_address): Do nothing for PLUS expressions if one of the
12828 addends is a tls symbol reference.
12830 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12834 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12836 * Makefile.in (BOOTSTRAPPING): New.
12837 (quickstrap): New definition if BOOTSTRAPPING=yes.
12839 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12840 * configure.ac: Substitute all_selected_languages with the languages
12841 that were configured. For all the other variables except
12842 lang_specs_files, include all the languages in the tree.
12843 * configure: Regenerate.
12845 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12846 if there is one. Run the commands to run fixincludes in the same
12849 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12850 * doc/install.texi: Document exact conventions for searching target tools.
12851 Document --with-build-time-tools. Document toplevel bootstrap. Document
12852 something more about building an Ada cross-compiler. Don't list GNU Make
12853 requirements which affect all platforms.
12855 2006-02-19 Roger Sayle <roger@eyesopen.com>
12857 PR middle-end/19543
12858 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12859 only equivalent if the have both the same mode and precision.
12861 2006-02-20 Ben Elliston <bje@au.ibm.com>
12863 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12865 2006-02-19 Roger Sayle <roger@eyesopen.com>
12866 Steven Bosscher <stevenb.gcc@gmail.com>
12868 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12869 constant pool references to identify stack mode constants.
12870 * rtlanal.c (constant_pool_constant_p): New predicate to check
12871 whether operand is a floating point constant in the pool.
12872 * rtl.h (constant_pool_constant_p): Prototype here.
12873 * loop.c (scan_loop): Avoid hoisting constants from the constant
12874 pool on STACK_REGS targets.
12875 (load_mems): Likewise.
12876 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12877 loads into x87 registers expensive in terms of register pressure.
12879 2006-02-19 Roger Sayle <roger@eyesopen.com>
12881 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12882 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12884 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12886 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12887 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12889 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12891 * doc/invoke.texi: Document -fipa-pta.
12892 * common.opt: Add ipa-pta option.
12893 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12894 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12895 (do_ds_constraint): Ditto.
12896 (get_constraint_for): Only add to referenced_vars if
12897 referenced_vars exists.
12898 (insert_into_field_list): Rewrite to do this unsorted.
12899 (insert_into_field_list_sorted): Rename old insert_into_field_list
12901 (create_function_info_for): Use insert_into_field_list_sorted.
12902 (create_variable_info_for): Rewrite so it uses unsorted version,
12903 since the field list is sorted.
12904 (intra_create_variable_infos): Only add to referenced_vars if
12905 referenced_vars exists.
12906 (ipa_pta_execute): Init heapvars, and delete when done.
12907 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12909 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12911 * doc/install.texi: Add missing `@samp'.
12913 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12915 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12918 2006-02-18 Mark Wielaard <mark@klomp.org>
12920 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12921 who added new 4.1 features, bug fixes and integration support.
12923 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12926 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12927 MEM for ABI_V4 pic.
12929 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12931 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12932 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12933 (copy_insn_1): Likewise. Don't copy each field individually.
12935 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12937 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12938 * rtl.c (rtx_size): Rename variable to...
12939 (rtx_code_size): ...this.
12940 (rtx_size): New function.
12941 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12942 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12944 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12945 * rtl.h (rtx_code_size): New variable.
12946 (rtx_size): Change from a variable to a function.
12947 (RTX_SIZE): Rename to...
12948 (RTX_CODE_SIZE): ...this.
12951 PR tree-optimization/17106
12952 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12953 (Anchored Addresses): New section.
12954 * doc/invoke.texi (-fsection-anchors): Document.
12955 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12956 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12957 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12958 * hooks.c (hook_bool_mode_rtx_false): New function.
12959 * hooks.h (hook_bool_mode_rtx_false): Declare.
12960 * gengtype.c (create_optional_field): New function.
12961 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12962 SYMBOL_REF_IN_BLOCK_P is true.
12963 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12964 (min_anchor_offset, max_anchor_offset): Likewise.
12965 (use_anchors_for_symbol_p): New hook.
12966 * toplev.c (compile_file): Call output_object_blocks.
12967 (target_supports_section_anchors_p): New function.
12968 (process_options): Check that -fsection-anchors is only used on
12969 targets that support it and when -funit-at-a-time is in effect.
12970 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12971 if the decl doesn't have one.
12972 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12973 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12974 of force_const_mem through use_anchored_address.
12975 (expand_expr_constant): New function.
12976 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12977 calling expand_expr for INDIRECT_REF.
12978 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12979 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12980 * expr.h (use_anchored_address): Declare.
12981 * loop-unroll.c: Don't declare rtx vectors here.
12982 * explow.c: Include output.h.
12983 (validize_mem): Call use_anchored_address.
12984 (use_anchored_address): New function.
12985 * common.opt (-fsection-anchors): New switch.
12986 * varasm.c (object_block_htab, anchor_labelno): New variables.
12987 (hash_section, object_block_entry_eq, object_block_entry_hash)
12988 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12989 (use_blocks_for_decl_p, change_symbol_section): New functions.
12990 (get_variable_section): New function, split out from assemble_variable.
12991 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12992 use_blocks_for_decl_p say so. Use change_symbol_section if the
12993 symbol has already been created.
12994 (assemble_variable_contents): New function, split out from...
12995 (assemble_variable): ...here. Don't output any code for
12996 block symbols; just pass them to place_block_symbol.
12997 Use get_variable_section and assemble_variable_contents.
12998 (get_constant_alignment, get_constant_section, get_constant_size): New
12999 functions, split from output_constant_def_contents.
13000 (build_constant_desc): Create a block symbol if use_object_blocks_p
13001 says so. Or into SYMBOL_REF_FLAGS.
13002 (assemble_constant_contents): New function, split from...
13003 (output_constant_def_contents): ...here. Don't output any code
13004 for block symbols; just pass them to place_section_symbol.
13005 Use get_constant_section and get_constant_alignment.
13006 (force_const_mem): Create a block symbol if use_object_blocks_p and
13007 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13008 (output_constant_pool_1): Add an explicit alignment argument.
13009 Don't switch sections here.
13010 (output_constant_pool): Adjust call to output_constant_pool_1.
13011 Switch sections here instead. Don't output anything for block symbols;
13012 just pass them to place_block_symbol.
13013 (init_varasm_once): Initialize object_block_htab.
13014 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13015 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13016 (place_block_symbol, get_section_anchor, output_object_block)
13017 (output_object_block_htab, output_object_blocks): New functions.
13018 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13019 (TARGET_ASM_OUT): Include it.
13020 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13021 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13022 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13023 (TARGET_INITIALIZER): Include them.
13024 * rtl.c (rtl_check_failed_block_symbol): New function.
13025 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13026 (block_symbol, object_block): New structures.
13027 (rtx_def): Add a block_symbol field to the union.
13028 (BLOCK_SYMBOL_CHECK): New macro.
13029 (rtl_check_failed_block_symbol): Declare.
13030 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13031 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13032 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13033 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13034 * output.h (output_section_symbols): Declare.
13035 (object_block): Name structure.
13036 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13037 (default_use_anchors_for_symbol_p): Declare.
13038 * Makefile.in (RTL_BASE_H): Add vec.h.
13039 (explow.o): Depend on output.h.
13040 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13041 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13042 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13043 (rs6000_use_blocks_for_constant_p): New function.
13045 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13047 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13049 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13052 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13055 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13057 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13061 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13063 PR middle-end/26334
13064 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13065 instead of DECL_REGISTER.
13067 2006-02-18 Olivier Hainque <hainque@adacore.com>
13070 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13072 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13075 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13076 * opth-gen.awk: Handle Var and InverseMask together.
13077 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13078 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13079 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13080 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13082 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13083 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13084 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13085 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13086 LINUX_DYNAMIC_LINKER): Define.
13087 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13088 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13090 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13091 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13092 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13094 (TARGET_C99_FUNCTIONS): Don't define.
13095 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13096 GLIBC_DYNAMIC_LINKER.
13097 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13098 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13099 GLIBC_DYNAMIC_LINKER64): Define.
13100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13101 LINUX_DYNAMIC_LINKER64.
13102 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13104 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13106 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13108 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13109 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13110 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13112 and LINUX_DYNAMIC_LINKER32.
13113 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13114 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13115 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13117 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13119 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13120 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13121 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13122 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13123 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13124 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13125 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13126 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13127 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13128 LINUX_DYNAMIC_LINKER): Define.
13129 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13130 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13131 GLIBC_DYNAMIC_LINKER64): Define.
13132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13133 LINUX_DYNAMIC_LINKER64.
13134 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13135 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13136 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13137 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13138 LINUX_DYNAMIC_LINKER): Define.
13139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13140 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13141 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13142 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13143 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13144 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13145 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13146 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13147 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13148 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13150 * doc/invoke.texi (-muclibc): Remove caveat about supported
13153 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13155 * doc/cpp.texi (__TIMESTAMP__): Document.
13157 2006-02-17 Roger Sayle <roger@eyesopen.com>
13159 PR middle-end/25600
13160 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13161 C is one less than the width of X (and related transformations).
13162 * simplify-rtx.c (simplify_unary_operation_1): Transform
13163 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13164 depending on STORE_FLAG_VALUE, were C is one less then the
13167 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13169 Fix PR tree-optimization/26341
13170 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13171 about NAME_MEMORY_TAG's.
13173 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13176 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13177 with hardware float support, and software float support. Add fcpy
13178 alternative to hardware patterns. Add alternatives to copy between
13179 general and floating-point registers to the 32-bit pattern.
13180 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13181 secondary reload to load a QI or HI mode constant into a floating
13183 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13184 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13186 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13189 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13191 (load_macho_picbase_di): Likewise.
13193 2006-02-16 Jeff Law <law@redhat.com>
13195 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13196 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13197 (ssa_name_nonzero_p): Likewise.
13198 (get_value_range): Return NULL if VRP is not running.
13199 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13200 VRP routines do not discover a range.
13201 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13202 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13203 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13204 (tree_expr_nonnegative_p): Similarly.
13205 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13206 (restore_nonzero_vars_to_original_value): Remove.
13207 (unsafe_associative_fp_binop): Remove.
13208 (tree_ssa_dominator_optimize): Remove initialization and
13209 finalization of nonzero_vars and nonzero_vars_stack.
13210 (dom_opt_initialize_block): No longer push marker on
13211 nonzero_vars_stack.
13212 (dom_opt_finalize_block): No longer call
13213 restore_nonzero_vars_to_original_value.
13214 (record_equivalences_from_phis): No longer look for
13215 nonzero PHI arguments.
13216 (cprop_into_successor_phis): No longer propagate nonzero
13217 property into PHI arguments. Lose unused argument. Caller
13219 (record_equivalences_from_stmt): No longer record nonzero
13220 values for SSA_NAMEs.
13221 (lookup_avail_expr): No longer use nonzero_vars.
13223 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13224 for sizetype when sizetype is unsigned.
13226 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13228 PR rtl-optimization/25603
13229 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13230 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13231 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13232 with new meaning of SETS.
13234 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13239 * config/linux.opt: New file.
13240 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13241 LINUX_DYNAMIC_LINKER): Define.
13242 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13243 * config.gcc (*-*-linux*): Define extra_options.
13244 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13245 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13246 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13247 GLIBC_DYNAMIC_LINKER.
13248 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13249 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13250 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13252 * doc/invoke.texi (GNU/Linux Options): New section.
13254 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13256 * config/sparc/sparc.md (setjmp): Rewrite.
13257 (setjmp_32): Delete.
13258 (setjmp_64): Likewise.
13260 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13262 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13265 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13267 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13270 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13272 PR rtl-optimization/26296
13273 * Makefile.in (loop-invariant.c): Add except.h dependency.
13274 * loop-invariant.c: Include except.h.
13275 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13277 2005-02-16 Paul Brook <paul@codesourcery.com>
13279 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13282 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13284 PR rtl-optimization/25636
13285 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13286 when deciding whether an insn is an initializing insn.
13288 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13290 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13291 (tree_code_size): Ditto.
13292 * tree.h (struct tree_memory_tag): Remove parent_var.
13293 (struct tree_struct_field_tag): New.
13296 (union tree_node): Add sft member.
13297 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13299 (create_sft): Add size and offset argument, set SFT_OFFSET and
13301 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13302 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13303 * tree-flow-inline.h (get_subvar_at): Update for
13304 SFT_OFFSET/SFT_SIZE.
13305 (var_can_have_subvars): Ditto.
13306 (overlap_subvar): Ditto.
13307 * print-tree.c (print_node): Print out interesting things for
13309 * tree-flow.h (struct subvar): Remove offset and size members.
13310 * tree-ssa-operands.c (get_expr_operands): Update for
13311 get_indirect_ref_operands changes.
13312 (get_indirect_ref_operands): Call add_virtual_operand instead of
13313 add_stmt_operand. Only recurse on base var if requested.
13314 (access_can_touch_variable): New function.
13315 (add_stmt_operand): Split virtual operand handling into ...
13316 (add_virtual_operand): Here. Add offset, size, and for_clobber
13317 arguments. Prune alias sets.
13318 (add_call_clobber_ops): Call add_virtual_operand.
13320 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13322 PR middle-end/26300
13323 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13325 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13326 than TREE_CODE as index into omp_clause_num_ops array.
13328 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13330 PR rtl-optimization/26184
13331 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13333 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13334 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13335 must_precede, must_follow and tobe_scheduled.
13338 * opts.c (common_handle_option): Free new_option pointer.
13339 * df-core.c (df_analyze): Free postorder pointer.
13341 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13343 * Makefile.in: Fix the examples about the use of stamps
13345 2006-02-15 Michael Matz <matz@suse.de>
13347 PR middle-end/22275
13349 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13350 influenced by maximum_field_alignment or DECL_PACKED.
13351 (update_alignment_for_field): Ditto.
13352 (place_field): Ditto.
13353 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13356 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13358 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13359 (debug_flow_info): Pass it.
13360 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13361 * bb-reorder.c (reorder_basic_blocks): Likewise.
13362 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13363 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13364 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13365 * gcse.c (gcse_main, bypass_jumps): Likewise.
13366 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13367 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13368 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13369 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13370 * rtl.h (dump_flow_info): Adjust prototype.
13371 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13372 * var-tracking.c (variable_tracking_main): Likewise.
13373 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13374 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13377 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13379 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13382 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13384 PR tree-optimization/26209
13385 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13386 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13388 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13390 2006-02-14 Roger Sayle <roger@eyesopen.com>
13392 PR middle-end/23670
13393 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13394 (X,Y) and the corresponding symmetry related transformations.
13395 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13396 (X,Y) and its symmetry related transformations.
13398 2006-02-14 Roger Sayle <roger@eyesopen.com>
13400 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13403 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13405 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13407 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13410 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13411 support COMDAT group.
13412 * configure: Regenerate.
13414 2006-02-14 Roger Sayle <roger@eyesopen.com>
13416 PR middle-end/26279
13417 PR middle-end/26280
13418 PR middle-end/26283
13419 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13421 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13423 Fix PR tree-optimization/26260
13425 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13427 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13428 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13429 * tree-ssa-structalias.c (create_variable_info_for): Use
13430 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13432 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13434 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13436 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13437 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13438 of the ending condition.
13439 * tree-ssa-loop-manip.c: Include params.h.
13440 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13441 tree_unroll_loop): New functions.
13442 * tree-pass.h (pass_loop_prefetch): Declare.
13443 * loop.c (rest_of_handle_loop_optimize): Test for
13444 -fprefetch-loop-arrays-rtl.
13445 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13446 * timevar.def (TV_TREE_PREFETCH): New timevar.
13447 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13448 pass_loop_prefetch): New.
13449 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13450 (cleanup_tree_cfg_loop): Call scev_reset.
13451 * common.opt (fprefetch-loop-arrays-rtl): Add.
13452 * tree-ssa-loop-prefetch.c: New file.
13453 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13454 (new_temp_expr_table): Initialize expr_vars.
13455 (free_temp_expr_table): Cleanup expr_vars.
13456 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13457 expressions from being merged into one.
13458 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13459 (struct tree_niter_desc): Add control, bound and cmp fields.
13460 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13462 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13463 (tree-cfgcleanup.o): Add SCEV_H dependency.
13464 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13465 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13467 2006-02-14 Richard Guenther <rguenther@suse.de>
13469 PR tree-optimization/26258
13470 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13471 in PHI argument processing.
13473 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13475 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13476 new expression in the requested machine mode.
13478 2006-02-13 Roger Sayle <roger@eyesopen.com>
13480 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13481 directly, instead let do_compare_rtx_and_jump handle this for us.
13482 * expr.c (expand_expr_real_1): Likewise.
13483 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13484 before do_jump_by_parts_greater.
13485 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13486 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13488 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13490 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13492 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13494 PR rtl-optimization/26235
13495 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13496 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13499 2006-02-13 Jeff Law <law@redhat.com>
13501 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13504 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13506 PR middle-end/26092
13507 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13508 twice if decl is a builtin. When trying again, call get_callee_fndecl
13509 first to verify it is still a builtin.
13511 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13513 * dwarf2out.c (base_type_die): Don't add AT_name here.
13514 (subrange_type_die): Don't add AT_name here.
13515 (modified_type_die): Rearrange code flow. Do add AT_name here.
13517 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13519 PR rtl-optimization/26247
13520 PR rtl-optimization/26248
13521 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13523 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13525 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13526 * config/fixtfdi.c: Likewise.
13527 * config/fixunstfdi.c: Likewise.
13528 * config/floatditf.c: Likewise.
13530 2006-02-13 Roger Sayle <roger@eyesopen.com>
13532 PR middle-end/24427
13533 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13534 into (X,C2) if C1 is a subset of the bits of C2. Transform
13535 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13537 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13539 2006-02-13 Josh Conner <jconner@apple.com>
13542 * varasm.c (function_section): Check for section name before
13543 calling select_section on targets that define
13544 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13545 unlikely_text_section instead of hot_function_section if
13546 first_function_block_is_cold.
13548 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13550 PR middle-end/25335
13551 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13553 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13555 PR rtl-optimization/26222
13556 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13557 after tree->rtl expansion.
13558 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13559 before passing it to emit_move_insn.
13561 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13563 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13565 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13566 Clarify documentation.
13567 * c-common.h (warn_write_strings): Remove.
13568 * c-common.c (warn_write_strings): Likewise.
13569 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13572 2006-02-12 Roger Sayle <roger@eyesopen.com>
13574 PR middle-end/25724
13575 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13576 (do_jump_parts_zero_rtx): New function renamed from
13577 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13578 (do_jump_parts_equality_rtx): New function split out from
13579 do_jump_parts_equality. Old implementation renamed as above.
13580 Call do_jump_parts_zero_rtx if either operand is zero.
13581 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13582 do all of the heavy lifting.
13583 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13584 calling either do_jump_by_parts_greater_rtx or
13585 do_jump_by_parts_equality_rtx.
13586 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13587 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13588 moved to do_compare_rtx_and_jump, call it directly.
13589 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13590 mode argument. Call do_compare_rtx_and_jump.
13591 (emit_case_nodes): Update calls to do_jump_if_equal.
13593 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13595 PR rtl-optimization/26225
13596 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13598 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13600 PR rtl-optimization/26232
13601 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13603 2006-02-11 Jason Merrill <jason@redhat.com>
13606 * tree-inline.c (declare_return_variable): Just don't use the
13607 modify target if it's a gimple complex reg and the return slot
13610 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13612 * doc/contrib.texi: Update my entry.
13614 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13616 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13618 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13620 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13623 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13625 * doc/invoke.texi (-floop-optimize2): Removed.
13626 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13627 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13628 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13629 * common.opt (floop-optimize2): Removed.
13630 (fmove-loop-invariants): Enabled by default.
13632 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13634 * tree-if-conv.c (combine_blocks): Free the result of
13635 get_loop_exit_edges.
13637 2006-02-10 Jeff Law <law@redhat.com>
13639 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13641 PR tree-optimization/26213
13642 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13643 loop trying to follow SSA_NAME_VALUE chains.
13645 2006-02-10 Richard Guenther <rguenther@suse.de>
13647 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13648 deal with structures that end in implicitly variable sized arrays.
13650 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13652 PR rtl-optimization/24762
13653 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13656 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13658 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13659 (struct ivopts_data): Add regs_used field.
13660 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13661 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13662 instead of loop_data->regs_used;
13663 (free_loop_data): Do not free aux fields for loops.
13664 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13665 and tree_ssa_iv_optimize_finalize.
13667 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13669 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13671 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13674 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13675 computing the effective result type.
13677 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13679 PR inline-asm/16194
13680 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13681 (tree_overlaps_hard_reg_set): Declare.
13682 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13683 type and signature to match function type expected by walk_tree.
13684 (tree_overlaps_hard_reg_set): New function.
13685 (decl_conflicts_with_clobbers_p): Rename to:
13686 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13687 Use tree_overlaps_hard_reg_set. Changed caller.
13688 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13689 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13690 * cris.c (cris_md_asm_clobbers): Likewise.
13692 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13694 * reload1.c (emit_input_reload_insns): Delete code that tries to
13695 inherit using find_equiv_reg.
13697 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13699 * c-common.h (flag_const_strings): Don't declare.
13700 * c-common.c (flag_const_strings): Remove.
13701 * c.opt (fconst_strings): Remove.
13702 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13703 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13704 (c_common_init_options): Don't set flag_const_strings.
13705 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13707 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13709 * arm.md (tlobits_cbranch): New pattern.
13710 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13711 testing a single bit.
13713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13716 * tree-ssa-pre.c (create_component_ref_by_pieces):
13717 Handle RETURN_DECL like VAR_DECL.
13719 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13721 PR middle-end/26134
13722 * fold-const.c (fold_indirect_ref_1): Fold
13723 "*(foo *)&complexfoo" to "__real__ complexfoo"
13724 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13726 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13728 * tree-flow-inline.h (var_can_have_subvars):
13729 Volatile variables should not have subvariables.
13731 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13734 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13735 multiplying unsigned values.
13738 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13740 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13742 2006-02-08 Jason Merrill <jason@redhat.com>
13745 * tree.def: Elaborate on difference from MODIFY_EXPR.
13746 * doc/c-tree.texi (INIT_EXPR): Likewise.
13747 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13748 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13749 (gimplify_target_expr): Likewise.
13750 (gimplify_cond_expr): Remove target handling.
13751 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13752 (gimplify_expr): Clobber it here.
13753 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13754 Do return slot optimization if we have an INIT_EXPR.
13757 * tree-inline.c (declare_return_variable): Also clear
13758 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13761 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13763 PR middle-end/22439
13764 * gimplify.c (gimplify_one_sizepos): Fix typo.
13766 2006-02-08 Jeff Law <law@redhat.com>
13768 PR tree-optimization/21417
13769 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13770 across a backedge if the control statement at the end of the
13771 block is data dependent on other statements in the same block.
13772 (record_temporary_equivalences_from_stmts): Remove over-conservative
13773 test for threading across backedges.
13775 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13776 control statement, handle all three special cases in the same
13777 manner as they all have the same desired solution. No longer
13778 special case edge flag updating when the post dominator is
13781 2006-02-08 Roger Sayle <roger@eyesopen.com>
13783 * tree.def (CHAR_TYPE): Remove.
13784 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13785 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13786 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13787 (gen_string_type_die): Delete unreachable function.
13789 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13790 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13791 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13792 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13793 * builtins.c (type_to_class): Likewise.
13794 * fold-const.c (fold_convert, build_range_check,
13795 merge_ranges): Likewise.
13796 * expr.c (count_type_elements): Likewise.
13797 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13798 * stor-layout.c (layout_type): Likewise.
13799 * ipa-type-escape.c (type_to_consider): Likewise.
13800 * gimplify.c (omp_firstprivatize_type_sizes,
13801 gimplify_type_sizes): Likewise.
13802 * explow.c (promote_mode): Likewise.
13803 * tree-sra.c (is_sra_scalar_type): Likewise.
13804 * varasm.c (output_constant): Likewise.
13805 * tree-inline.c (remap_type_1): Likewise.
13806 * convert.c (convert_to_pointer, convert_to_real,
13807 convert_to_integer, convert_to_complex): Likewise.
13809 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13811 * df-scan.c (df_def_record_1): A set destination may
13812 be a parallel regardless of mode.
13814 2006-02-08 Roger Sayle <roger@eyesopen.com>
13817 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13818 * config/mips/_tilib.c: Remove.
13819 * config/fixtfdi.c: New libgcc source file.
13820 * config/fixunstfdi.c: New source file.
13821 * config/floatditf.c: New source file.
13822 * config/floatunditf.c: New souce file.
13823 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13824 files above instead of config/mips/_tilib.c.
13825 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13827 2006-02-08 Jeff Law <law@redhat.com>
13829 PR tree-optimization/26169
13830 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13833 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13835 * df.h (DF_REG_SIZE): Return the length of the initialized
13838 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13840 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13841 __muldf3): Return a correctly signed zero.
13843 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13845 * passes.c (register_one_dump_file): Accept the current properties
13846 instead of pass number. Adjust call to dump_register. Remove
13848 (register_dump_files): Now a wrapper around...
13849 (register_dump_files_1): ... this one. Do not modify the pass
13851 (next_pass_1): Cosmetic fix.
13852 (execute_todo): Keep second parameter only. Use curr_properties
13853 instead of fetching it from the pass structure. Check and set
13855 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13856 instead of fetching it from the pass structure. Fix calls to
13857 execute_todo. Update curr_properties and initialize .vcg RTL dump
13858 after running the pass. Reset last_verified.
13859 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13861 (FIRST_AUTO_NUMBERED_DUMP): New.
13862 (dump_register): Remove "num" parameter, assign it within the
13864 (get_dump_file_name): Modify template for dumps.
13865 * tree-dump.h (dump_register): Adjust prototype.
13866 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13867 (PROP_trees): Add PROP_gimple_lomp.
13868 (TODO_set_props): New.
13869 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13870 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13871 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13873 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13875 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13876 (sparc64-*-linux*): Likewise.
13877 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13878 * config/sparc/t-linux: New file.
13879 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13880 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13881 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13882 -m32 -mlong-double-128.
13884 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13885 * config/alpha/t-linux: New file.
13886 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13888 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13889 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13890 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13891 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13892 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13893 (CPP_ARCH32_SPEC): Remove.
13895 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13897 PR tree-optimization/26145
13898 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13901 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13904 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13905 >= 240000 when generating code for SOM runtime.
13906 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13907 to $$dyncall when generating code for SOM runtime..
13909 2006-02-07 Dirk Mueller <dmueller@suse.com>
13912 * doc/invoke.texi (-Wsequence-point): Update documentation
13913 that -Wsequence-point is implemented for C++ as well.
13915 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13917 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13918 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13919 (LIB_SPEC): Likewise.
13920 * doc/invoke.texi (SPARC options): Document -pthread.
13922 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13924 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13927 2006-02-07 Roger Sayle <roger@eyesopen.com>
13929 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13930 Correct comment describing BOOLEAN_TYPE.
13932 2006-02-07 Dirk Mueller <dmueller@suse.com>
13934 * c.opt: C++ frontend supports -Wdiv-by-zero.
13935 * c-opts.c (c_common_handle_option): Remove dead case.
13937 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13939 * configure.ac (TLS assembler check): Do not enable TLS by
13940 default on SPARC/Solaris before version 10.
13941 * configure: Regenerate.
13943 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13945 * doc/invoke.texi (xl-compat): Document conversion and support
13948 2006-02-07 Jeff Law <law@redhat.com>
13950 * tree-vrp.c (find_conditional_asserts): Update comments.
13951 (simplify_stmt_for_jump_threading): New.
13952 (identify_jump_threads, finalize_jump_threads): New.
13953 (vrp_finalize): Call identify_jump_threads.
13954 (execute_vrp): Call finalize_jump_threads.
13955 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13956 (vrp_element, vrp_data, vrp_element_p): Remove.
13957 (vrp_hash_elt, vrp_variables_stack): Remove.
13958 (vrp_hash, vrp_eq, record_range): Remove.
13959 (simplify_cond_and_lookup_avail_expr): Remove.
13960 (extract_range_from_cond): Remove.
13961 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13962 (simplify_stmt_for_jump_threading): New.
13963 (dom_thread_across_edge): New wrapper.
13964 (tree_ssa_dominator_optimize): No longer initialize or
13965 finalize any of the VRP datastructures. Remove iteration
13966 step and simplify as a result of removal of iteration step.
13967 (pass_dominator): Perform a cfg cleanup after DOM.
13968 (dom_opt_finalize_block): Use the new common routines
13969 for threading jumps. Simplify stack management slightly.
13970 No longer need to unwind VRP state.
13971 (record_equivalences_from_incoming_edge): No longer record
13973 (eliminate_redundant_computations): No longer call
13974 simplify_cond_and_lookup_avail_expr.
13975 * tree-flow.h (potentially_threadable_block): Prototype.
13976 (thread_across_edge): Likewise.
13977 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13978 (tree-ssa-threadedge.o): Add dependencies.
13979 * tree-ssa-threadedge.c: New file.
13980 * passes.c (init_optimization_passes): Merge PHIs before
13981 calling VRP. Run VRP again late in the SSA optimization pipeline.
13983 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13985 * df-core.c (df_set_blocks): Do not dereference function pointers.
13986 (df_finish1): Likewise.
13987 (df_hybrid_search_forward): Likewise.
13988 (df_hybrid_search_backward): Likewise.
13989 (df_iterative_dataflow): Likewise.
13990 (df_analyze_problem): Likewise.
13991 (df_compact_blocks): Likewise.
13992 (df_dump): Likewise.
13993 * df-scan.c (df_rescan_blocks): Likewise.
13994 (df_record_entry_block_defs): Likewise.
13996 * genconditions.c (write_conditions): Guard the definition of
13997 'insn_conditions' with the check on GCC version.
13998 (write_writer): Guard the traversal 'insn_conditions' with
13999 the check on GCC version.
14001 2006-02-07 Richard Guenther <rguenther@suse.de>
14005 2006-01-30 Richard Guenther <rguenther@suse.de>
14007 * gimplify.c (gimplify_target_expr): Handle easy cases
14008 without creating a temporary.
14010 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14012 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14013 use of float in probability computations. Use edge probabilities
14014 in place of statically computed probabilities.
14015 (min_spec_prob): New static variable.
14016 (schedule_insns): Initialize it.
14017 (GET_SRC_PROB): Removed.
14018 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14020 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14023 * config/ia64/unwind-ia64.c: Revert last change.
14024 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14025 (INCOMING_FRAME_SP_OFFSET): Define.
14027 2006-02-06 Roger Sayle <roger@eyesopen.com>
14029 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14031 2006-02-07 Ben Elliston <bje@au.ibm.com>
14033 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14034 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14035 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14036 (ix86_return_in_memory): Handle TDmode.
14037 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14038 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14040 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14042 * reorg.c (dbr_schedule): Use dump_file instead of file.
14044 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14047 * config/ia64/predicates.md (extr_len_operand): New predicate.
14048 * config/ia64/ia64.md (extv): Tighten constraints.
14050 (*tbit_and_2): Ditto.
14051 (*tbit_and_3): Ditto.
14052 (*tbit_or_2): Ditto.
14053 (*tbit_or_3): Ditto.
14054 (*bit_zero): Ditto.
14057 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14060 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14062 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14064 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14065 loop_optimizer_init and loop_optimizer_finalize
14066 * tree-ssa-sink.c (execute_sink_code): Ditto.
14067 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14068 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14069 tree_ssa_loop_done): Ditto.
14070 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14071 * sched-ebb.c: Include output.h.
14072 (schedule_ebbs): Do not use dump argument.
14073 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14074 * loop.c (loop_dump_stream): Removed.
14075 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14077 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14078 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14079 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14080 loop_iterations, strength_reduce, record_biv, record_giv,
14081 final_giv_value, check_final_value, check_ext_dependent_givs,
14082 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14083 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14084 dump_file instead of loop_dump_stream.
14085 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14086 argument dump_file.
14087 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14089 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14090 * haifa-sched.c: Include output.h
14091 (schedule_insns, sched_init): Do not use dump argument.
14092 * mode-switching.c (optimize_mode_switching): Ditto.
14093 * modulo-sched.c (stats_file): Removed.
14094 (print_node_sched_params): Do not call argument dump_file.
14095 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14096 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14098 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14100 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14101 rtl_loop_init, rtl_loop_done): Ditto.
14102 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14103 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14105 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14106 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14107 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14108 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14109 * emit-rtl.c (renumber_insns): Ditto.
14110 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14111 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14112 * regclass.c (regclass): Ditto.
14113 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14114 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14115 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14116 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14118 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14119 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14121 * gcse.c (gcse_file, debug_stderr): Removed.
14122 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14123 rest_of_handle_gcse): Do not use dump argument.
14124 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14125 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14126 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14127 compute_code_hoist_vbeinout, compute_code_hoist_data,
14128 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14129 compute_store_table, build_store_vectors, insert_insn_start_bb,
14130 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14131 store_motion): Use dump_file instead of gcse_file.
14132 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14133 * profile.c (profile_dump_file): Removed.
14134 (branch_prob): Use dump_file instead of profile_dump_file.
14135 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14137 * tree-ssa-copy.c (dump_copy_of): Ditto.
14138 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14139 dump file to life_analysis.
14140 * bt-load.c (branch_target_load_optimize): Ditto.
14141 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14143 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14144 regclass, dbr_schedule): Declaration changed.
14145 * sched-int.h (sched_init): Declaration changed.
14146 * tree-profile.c (tree_profile_dump_file): Removed.
14147 (tree_profile_hooks): Removed profile_dump_file hook.
14148 * rtl-profile (rtl_profile_dump_file): Removed.
14149 (rtl_profile_hooks): emoved profile_dump_file hook.
14150 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14152 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14153 * tree-cfg.c (build_tree_cfg): Ditto.
14154 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14155 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14156 Declaration changed.
14157 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14158 life_analysis and schedule_insns.
14159 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14161 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14163 * config/mips/mips.c (mips_reorg): Ditto.
14164 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14167 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14169 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14170 (s390_mangle_fundamental_type): New.
14171 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14174 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14175 (alpha_mangle_fundamental_type): New.
14176 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14179 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14181 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14183 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14184 (sparc_mangle_fundamental_type): New.
14186 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14188 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14189 (s390x-*-linux*): Likewise.
14190 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14191 * config/s390/t-linux: New file.
14193 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14195 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14196 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14198 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14200 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14201 (ANTIC_SAFE_LOADS): New macro.
14202 (find_or_generate_expression): Add prototype.
14203 (set_contains_value): Allow null set for sake of not always having
14204 to allocate ANTIC_SAFE_LOADS.
14205 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14206 Allow COMPONENT_REF too.
14207 (valid_in_set): Allow COMPONENT_REF.
14208 Check ANTIC_SAFE_LOADS too.
14209 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14210 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14212 (can_PRE_operation): Add COMPONENT_REF.
14213 (create_component_ref_by_pieces): New function.
14214 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14215 (insert_aux): Move AGGREGATE_TYPE_P check here.
14216 (compute_avail): Set bb local stmt uids.
14217 (pass_pre): Use TODO_update_ssa_only_virtuals.
14219 2006-02-06 Ben Elliston <bje@au.ibm.com>
14221 * configure.ac: Unconditionally disable decimal float by default.
14222 * configure: Regenerate.
14224 2006-02-06 Ben Elliston <bje@au.ibm.com>
14226 * read-rtl.c (read_name): Terminate reading on EOF.
14228 2006-02-06 Ben Elliston <bje@au.ibm.com>
14230 * dfp.c (decimal_real_arithmetic): Change second argument type
14231 from int to enum tree_code. Do not always return true, but now
14232 return result of any call to decimal_do helper functions.
14233 * dfp.h (decimal_real_arithmetic): Update prototype.
14235 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14237 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14239 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14242 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14245 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14247 * tree-vrp.c (cfg_loops): Removed.
14248 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14249 Use current_loops instead of cfg_loops. Pass flags to
14250 loop_optimizer_init.
14251 * cfgloopmanip.c (fix_loop_structure): Update only available
14253 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14254 loop_optimizer_init.
14255 * modulo-sched.c (build_loops_structure): Removed.
14256 (sms_schedule): Use loop_optimizer_init.
14257 * loop-init.c (loop_optimizer_init): Use flags to determine
14258 which properties of loops to prepare.
14259 (rtl_loop_init): Pass flags to loop_optimizer_init.
14260 * tree-ssa-sink.c (execute_sink_code): Ditto.
14261 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14262 * tree-ssa-pre.c (init_pre): Ditto.
14263 * cfgloop.h (LOOPS_NORMAL): New.
14264 (loop_optimizer_init): Declaration changed.
14266 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14268 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14269 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14271 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14273 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14275 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14276 * pa/t-pa64: Delete quadlib.c rule.
14277 * pa/x-ada: Revert last change.
14278 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14280 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14282 PR rtl-optimization/26087
14283 * rtlanal.c (canonicalize_condition): Do not cross basic block
14286 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14289 * config/ia64/ia64.c: Include debug.h.
14290 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14291 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14292 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14293 (process_epilogue, process_set, process_for_unwind_directive):
14294 Output unwind info only if requested. Add CFA info if requested.
14295 Add new arguments as needed. Adjust callers.
14296 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14298 (DWARF2_FRAME_INFO): Define to zero.
14299 * config/ia64/unwind-ia64.c: Remove code that compensated for
14300 the CFA offset error fixed above.
14301 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14302 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14303 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14304 -funwind-tables and -fexceptions to enable frame info.
14305 (dwarf2out_frame_init): Define initial CFA even if
14306 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14307 DWARF2_UNWIND_INFO is nonzero, not just defined.
14308 (dwarf2out_frame_finish): Output non-EH call frame info only
14309 if DWARF2_FRAME_INFO is nonzero.
14310 (convert_cfa_to_loc_list,
14311 compute_frame_pointer_to_cfa_displacement): Define even if
14312 unwind info is not supported.
14313 (gen_subprogram_die): Use the above unconditionally. Remove
14314 legacy alternate code.
14315 * toplev.c (compile_file): Compile in call to
14316 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14317 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14319 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14320 Jakub Jelinek <jakub@redhat.com>
14322 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14323 IBM extended float format long double as "g" on powerpc*-linux.
14325 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14328 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14329 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14331 2006-02-03 Jason Merrill <jason@redhat.com>
14334 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14336 PR middle-end/25977
14337 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14338 on the return slot if it's an NRV.
14340 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14342 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14343 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14344 rewrite_use): Do not handle USE_OUTER.
14345 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14346 add_iv_outer_candidates, may_replace_final_value,
14347 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14348 (find_interesting_uses_op): Functionality of
14349 find_interesting_uses_outer_or_nonlin moved here.
14350 (find_interesting_uses_outside): Use find_interesting_uses_op.
14352 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14355 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14357 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14358 Ulrich Weigand <uweigand@de.ibm.com>
14361 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14362 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14363 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14364 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14366 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14367 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14368 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14369 Define secondary reloads for TFmode moves.
14370 (constant_modes): Add TFmode.
14371 (NR_C_MODES): Set to 8.
14372 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14374 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14375 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14376 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14377 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14378 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14379 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14380 (FPR mode macro): Add TFmode.
14381 (DSF mode macro): New.
14382 (<de>, <dee> mode attributes): Removed.
14383 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14384 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14385 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14386 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14387 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14388 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14389 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14390 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14391 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14392 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14393 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14394 "*negabs<mode>2", "sqrt<mode>2"):
14395 Changed <de> to <xde>. R constraint replaced by <Rf>.
14396 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14398 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14399 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14400 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14402 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14403 "extenddftf2", "extendsftf2"): New expanders.
14404 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14405 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14406 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14407 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14409 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14410 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14411 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14412 __floatditf): Add a GCC_4.1.0 symbol version tag.
14413 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14416 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14419 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14420 Use targetm.binds_local_p instead of TREE_PUBLIC.
14422 2006-02-02 Roger Sayle <roger@eyesopen.com>
14424 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14425 on INTEGER_TYPEs to indicate that it denotes a character type.
14426 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14427 signed_char_type_node, unsigned_char_type_node and char_type_node.
14428 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14429 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14430 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14432 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14433 Daniel Berlin <dberlin@dberlin.org>
14435 * tree-tailcall.c (arg_needs_copy_p): New function.
14436 (eliminate_tail_call): Use arg_needs_copy_p.
14437 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14438 (add_virtual_phis): New function.
14440 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14442 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14443 #ignore instead of #scratch for %g7 .register directive.
14445 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14447 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14450 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14452 * flow.c (calculate_global_regs_live): Assert that there aren't any
14455 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14457 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14458 what its name says.
14459 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14460 bsi_after_labels iterator.
14461 * tree-if-conv.c (find_phi_replacement_condition,
14462 replace_phi_with_cond_modify_expr): Likewise.
14463 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14464 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14466 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14468 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14470 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14473 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14474 array after growing it.
14476 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14478 PR middle-end/24901
14479 * fold-const.c (fold_checksum_tree): Change type of buf.
14481 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14483 * reload.c (push_secondary_reload): Initialize t_icode.
14485 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14487 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14488 -msoft-float -mlong-double-128 only issue a warning, but don't
14489 swich to DFmode long double.
14491 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14493 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14494 has a constant equivalent, iterate over equivalents for arg0,
14495 calling simplify_relational_operation and if there's a result
14496 cheaper than X, apply fold_rtx and return the result.
14498 2006-02-01 Jan Hubicka <jh@suse.cz>
14500 * opts.c (no_unit_at_a_time_default): New global variable.
14501 (decode_options): Use it.
14502 * opts.h (no_unit_at_a_time_default): Declare.
14504 2006-02-01 Paul Brook <paul@codesourcery.com>
14506 * function.c (assign_parm_setup_reg): Use function argument promotion
14508 * expr.c (expand_expr_real_1): Use function argument promotion rules
14511 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14513 * gcc.c (process_command): Change j to 'unsigned int'.
14515 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14517 PR middle-end/26001
14518 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14519 Use the corrected index for the character
14520 out of the string constant.
14522 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14524 * mode-switching.c (optimize_mode_switching): Fix size
14525 allocated for bb_info[n_entities].
14527 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14529 * gcc.c (main): Correct type that is allocated for
14530 explicit_link_files.
14532 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14534 * config/s390/s390.c (init_alignment_context): Set
14535 ALIAS_SET_MEMORY_BARRIER on the MEM.
14536 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14538 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14540 PR middle-end/25933
14541 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14543 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14546 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14548 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14549 * regrename.c: Ditto.
14550 * tree-ssa-loop-im.c: Ditto.
14551 * tree-dump.c: Ditto.
14552 * tree-complex.c: Ditto.
14553 * genrecog.c: Ditto.
14554 * tree-ssa-threadupdate.c: Ditto.
14556 * java/class.c: Ditto.
14557 * java/jcf-parse.c: Ditto.
14558 * java/resource.c: Ditto.
14559 * java/except.c: Ditto.
14560 * java/jvspec.c: Ditto.
14561 * java/jcf-write.c: Ditto.
14562 * java/jcf-path.c: Ditto.
14563 * java/gjavah.c: Ditto.
14564 * java/zextract.c: Ditto.
14565 * java/jcf-io.c: Ditto.
14566 * java/jcf.h: Ditto.
14567 * java/buffer.c: Ditto.
14568 * java/lang.c: Ditto.
14569 * java/parse-scan.y: Ditto.
14570 * java/lex.c: Ditto.
14571 * java/lex.h: Ditto.
14572 * cfgloopmanip.c: Ditto.
14573 * postreload-gcse.c: Ditto.
14574 * tree-ssa-loop-manip.c: Ditto.
14575 * postreload.c: Ditto.
14576 * tree-ssa-loop-ch.c: Ditto.
14579 * cppspec.c: Ditto.
14580 * diagnostic.c: Ditto.
14582 * genoutput.c: Ditto.
14584 * cfghooks.c: Ditto.
14585 * cfgloopanal.c: Ditto.
14586 * objc/objc-act.c: Ditto.
14588 * genextract.c: Ditto.
14589 * genautomata.c: Ditto.
14590 * pretty-print.c: Ditto.
14591 * genemit.c: Ditto.
14592 * cgraphunit.c: Ditto.
14594 * df-scan.c: Ditto.
14595 * haifa-sched.c: Ditto.
14596 * dominance.c: Ditto.
14598 * tree-ssa-loop-ivopts.c: Ditto.
14599 * df-core.c: Ditto.
14600 * mode-switching.c: Ditto.
14601 * modulo-sched.c: Ditto.
14603 * ipa-pure-const.c: Ditto.
14605 * fix-header.c: Ditto.
14607 * tree-stdarg.c: Ditto.
14608 * ipa-utils.c: Ditto.
14609 * loop-init.c: Ditto.
14610 * ipa-inline.c: Ditto.
14611 * cfganal.c: Ditto.
14613 * alloc-pool.c: Ditto.
14614 * dwarf2out.c: Ditto.
14616 * genattrtab.c: Ditto.
14617 * tree-ssa-loop-ivcanon.c: Ditto.
14618 * predict.c: Ditto.
14619 * timevar.c: Ditto.
14621 * fortran/gfortranspec.c: Ditto.
14622 * regmove.c: Ditto.
14623 * local-alloc.c: Ditto.
14624 * langhooks.c: Ditto.
14625 * function.c: Ditto.
14626 * tree-vectorizer.c: Ditto.
14628 * ipa-type-escape.c: Ditto.
14630 * tree-if-conv.c: Ditto.
14631 * profile.c: Ditto.
14633 * tree-data-ref.c: Ditto.
14634 * loop-unroll.c: Ditto.
14635 * treelang/treetree.c: Ditto.
14637 * bt-load.c: Ditto.
14638 * ggc-common.c: Ditto.
14640 * coverage.c: Ditto.
14642 * tree-cfgcleanup.c: Ditto.
14643 * tree-ssa-pre.c: Ditto.
14644 * cfgcleanup.c: Ditto.
14645 * loop-invariant.c: Ditto.
14646 * loop-iv.c: Ditto.
14647 * ipa-prop.c: Ditto.
14648 * print-tree.c: Ditto.
14649 * conflict.c: Ditto.
14650 * ggc-page.c: Ditto.
14651 * sched-deps.c: Ditto.
14652 * regclass.c: Ditto.
14653 * tree-object-size.c: Ditto.
14654 * combine.c: Ditto.
14655 * bb-reorder.c: Ditto.
14656 * resource.c: Ditto.
14657 * var-tracking.c: Ditto.
14658 * cfgloop.c: Ditto.
14659 * df-problems.c: Ditto.
14660 * reg-stack.c: Ditto.
14662 * gccspec.c: Ditto.
14663 * sched-rgn.c: Ditto.
14664 * tree-ssa-structalias.c: Ditto.
14665 * tree-ssa-reassoc.c: Ditto.
14666 * config/darwin-c.c: Ditto.
14667 * config/darwin.c: Ditto.
14668 * config/arm/arm.c: Ditto.
14670 * collect2.c: Ditto.
14671 * reload1.c: Ditto.
14673 2006-01-31 Nicolas Pitre <nico@cam.org>
14675 * arm.md (smaxsi3): Make aware of smax_m1.
14678 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14680 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14682 2006-01-31 Richard Guenther <rguenther@suse.de>
14684 * doc/invoke.texi (-msselibm): Document.
14685 * target.h (expand_library_builtin): New target hook.
14686 * builtins.c (expand_builtin): Use expand_library_builtin.
14687 (default_expand_library_builtin): New function.
14688 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14689 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14690 (link_gcc_math_spec): Declare.
14691 (static_specs): Add link_gcc_math_spec.
14692 * expr.h (default_expand_library_builtin): Declare.
14693 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14694 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14695 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14696 * config/i386/i386.opt (msselibm): New target option.
14697 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14698 (ix86_init_sse_abi_builtins): New function.
14699 (ix86_expand_library_builtin): Likewise.
14700 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14701 (override_options): Handle error conditions wrt -msselibm.
14702 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14703 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14704 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14707 2006-01-31 Richard Guenther <rguenther@suse.de>
14708 Paolo Bonzini <bonzini@gnu.org>
14710 * doc/install.texi (--disable-libgcc-math): Document.
14712 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14714 * expr.h (expand_normal): new inline function.
14715 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14716 * dojump.c: use it.
14717 * dwarf2out.c: use it.
14720 * expmed.c: use it.
14721 * except.c: use it.
14722 * config/sparc/sparc.c: use it.
14723 * config/i386/i386.c: use it.
14724 * config/rs6000/rs6000.c: use it.
14725 * config/arm/arm.c: use it.
14726 * config/mips/mips.c: use it.
14727 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14729 2006-01-30 Roger Sayle <roger@eyesopen.com>
14731 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14732 argv to the appropriate type.
14734 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14736 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14739 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14742 * config/s390/s390.c (struct machine_function): New flag
14743 decomposed_literal_pool_addresses_ok_p.
14744 (s390_reorg): Set it before final stage of literal pool transforms.
14745 (s390_decompose_address): Only accept displacements of the form
14746 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14748 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14750 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14751 the comparison routine return.
14753 2006-01-30 Michael Matz <matz@suse.de>
14755 * global.c (find_reg): Only evict for global regs.
14756 Take n_refs into account and dump more info.
14758 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14761 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14762 (pragma_trap, pragma_nosave_low_regs): Likewise.
14763 (current_function_anonymous_args): Likewise.
14764 (sh_deferred_function_attributes): New variable.
14765 (sh_deferred_function_attributes_tail): Likewise.
14766 (print_operand): For '@', look up trap_exit attribute.
14767 (calc_live_regs): Look up trapa_handler attribute. For trapa
14768 handlers, save/restore fpscr, but don't do any other
14769 interrupt-specific saves.
14770 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14771 Fix check for partially saved registers to check for SHmedia.
14772 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14773 (sh_output_function_epilogue): Don't clear any of the removed
14775 (sh_insert_attributes): Don't check pragma_interrupt.
14776 Insert deferred attributes. Check that interrupt attribute is
14777 present for other attributes that require its presence.
14778 (sh_attribute_table): Add new attributes trapa_handler and
14780 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14781 Don't check for pragma_interrupt. Don't store argument.
14782 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14783 (sh_deferred_function_attributes): Declare.
14784 (sh_deferred_function_attributes_tail): Likewise.
14785 * sh.md (sp_switch_1): Add operand. Change generator caller.
14786 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14787 (*return_i): Don't use when trap_exit attribute is in effect.
14788 (*return_trapa): New insn pattern.
14789 * sh-c.c: New file.
14790 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14791 setting c_target_objs and cxx_target_objs.
14792 * t-sh: Add rule for sh-c.o.
14794 2006-01-30 Richard Guenther <rguenther@suse.de>
14797 * gimplify.c (gimplify_target_expr): Handle easy cases
14798 without creating a temporary.
14800 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14802 * vec.h (safe_grow): Remove duplicated line.
14804 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14807 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14808 (expand_omp): ... here.
14809 (expand_omp_parallel): Only remove barriers for combined
14810 parallel+workshare constructs.
14812 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14816 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14817 * tree.c (build_qualified_type): Chain the new type to the original
14818 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14819 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14820 (build_pointer_type_for_mode): Only return unqualified types.
14821 (build_reference_type_for_mode): Likewise.
14823 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14825 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14826 * Makefile.in (CXX_COMPAT_WARN): Define.
14827 * configure: Regenerate.
14829 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14832 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14835 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14837 * toplev.c: Fix thinko.
14839 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14840 Marcin Dalecki <martin@dalecki.de>
14842 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14843 (push_srcloc): Use XNEW.
14844 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14846 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14848 * df-core.c (df_set_blocks): Deleted all variable.
14850 2006-01-28 Ian Lance Taylor <ian@airs.com>
14852 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14853 cgraph_output_pending_asms.
14855 2006-01-28 Zack Weinberg <zackw@panix.com>
14857 * c.opt: Add -W(no-)overlength-strings.
14858 * doc/invoke.texi: Document it.
14859 * c-opts.c (c_common_handle_option): -pedantic implies
14860 -Woverlength-strings, if not explicitly disabled already.
14861 (c_common_post_options): -Woverlength-strings defaults to off, and
14862 is always off for C++.
14863 * c-common.c (fix_string_type): Issue warning about strings longer
14864 than is portable only if warn_overlength_strings. Rearrange code
14865 a little for clarity.
14866 * configure.in: Check for -Wno-overlength-strings as well before
14867 enabling -pedantic in stage 1.
14868 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14869 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14871 * genconditions.c (write_header, write_one_condition)
14872 (write_conditions, write_writer): Consolidate very long strings
14873 that were broken up to fit in C89 portable limit. Don't use
14874 printf when fputs will do.
14876 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14878 * combine.c (simplify_comparison <AND>): Check
14879 TRULY_NOOP_TRUNCATION before start using a subreg.
14881 * config/mips/mips.md (*branch_zero<mode>,
14882 *branch_zero<mode>_inverted, *branch_equality<mode>,
14883 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14884 Remove mode check from comparisons.
14886 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14888 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14890 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14892 * expmed.c (const_mult_add_overflow_p): Remove.
14893 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14895 * recog.c (validate_replace_rtx_subexp): Remove.
14896 * recog.h: Remove the prototype for
14897 validate_replace_rtx_subexp.
14899 * integrate.h: Remove the prototype for
14900 copy_decl_for_inlining.
14901 * rtl.h: Remove the prototype for mark_constant_function.
14902 * tree-vectorizer.h: Remove the prototype for
14903 vect_strip_conversion.
14905 * modulo-sched.c (create_partial_schedule,
14906 free_partial_schedule, reset_partial_schedule): Make them
14909 * hooks.c (hook_bool_rtx_int_false): Remove.
14910 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14912 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14914 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14915 and -mlong-double-128 are incompatible.
14916 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14917 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14918 (TARGET_LIBGCC2_CFLAGS): Define.
14919 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14920 (TARGET_LIBGCC2_CFLAGS): Same.
14921 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14923 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14926 * c-typeck.c (build_binary_op): Perform implicit casts of
14927 operands before shortening them.
14929 * cfgloopmanip.c (split_loop_bb): Remove.
14930 * cfgloop.h: Remove the prototype for split_loop_bb.
14932 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14933 * cfgloop.h: Remove the prototype for
14934 flow_loop_outside_edge_p.
14936 * emit-rtl.c (init_virtual_regs): Make it static.
14937 * function.h: Remove the prototype for init_virtual_regs.
14939 * recog.c (peephole2_optimize): Make it static.
14940 * recog.h: Remove the prototype for peephole2_optimize.
14942 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14944 * df-scan.c (df_record_entry_block_defs): Check if
14945 INCOMING_RETURN_ADDR_RTX is defined.
14947 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14948 Kenneth Zadeck <zadeck@naturalbridge.com>
14950 PR rtl-optimization/24762
14951 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14952 * targhooks.c (hook_void_bitmap): New hook prototype.
14953 * targhoohs.h (hook_void_bitmap): Ditto.
14954 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14955 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14956 * target.h (live_on_entry): New function pointer.
14957 * df-scan.c (df_all_hard_regs): Removed.
14958 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14959 (df_scan_free_internal): Added df->entry_block_defs.
14960 (df_scan_alloc): Ditto.
14961 (df_scan_dump): Ditto.
14962 (df_uses_record): Plumbed flag field properly thru calls.
14963 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14964 This part fixes PR24762.
14965 (df_bb_refs_record): Added code to make the frame and arg
14966 pointers live in EH blocks.
14967 (df_refs_record): Added call to df_record_entry_block_defs.
14968 (df_record_entry_block_defs): New function.
14969 * df-core.c: Added comments to describe new artifical defs.
14970 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14971 (entry_block_defs): New field in struct df.
14972 (df_all_hard_regs): Deleted.
14973 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14974 * df-problems.c (df_ru_bb_local_compute_process_def):
14975 Added code to handle artifical defs in the entry to a function.
14976 (df_ru_bb_local_compute): Ditto.
14977 (df_rd_bb_local_compute_process_def): Ditto.
14978 (df_rd_bb_local_compute): Ditto.
14979 (df_lr_bb_local_compute): Ditto.
14980 (df_ur_bb_local_compute): Ditto.
14981 (df_urec_bb_local_compute): Ditto.
14982 (df_chain_create_bb): Ditto.
14983 (df_ur_local_finalize): Removed entry.
14984 (df_urec_init): Ditto.
14985 (df_urec_local_finalize): Ditto.
14986 (df_ri_bb_compute): Added detection of last use of pseudos.
14987 * Makefile.in (df-scan.o): Updated dependencies.
14988 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14989 * config/mips/mips.c (mips_set_live_on_entry): Added.
14990 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14992 * dce.c (marked_insn_p): Added code to handle artifical defs.
14994 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14996 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14998 (_mm_cvtsi128_si64): Likewise.
14999 (_mm_cvtsd_si64): Likewise.
15000 (_mm_cvttsd_si64): Likewise.
15001 (_mm_cvtsi64_sd): Likewise.
15002 (_mm_cvtsi64_si128): Likewise.
15003 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15004 (_mm_cvtsi64_m64): Likewise.
15005 (_m_to_int64): Likewise.
15006 (_mm_cvtm64_si64): Likewise.
15007 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15008 (_mm_cvttss_si64): Likewise.
15009 (_mm_cvtsi64_ss): Likewise.
15010 (_mm_cvtss_f32): Likewise.
15012 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15014 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15015 for pragma redefine_extname.
15017 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15020 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15021 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15022 -mno-minimal-toc to previous content.
15023 (bispecs): Remove goal.
15024 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15025 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15026 compatibility aliases on powerpc-*-*gnu*.
15027 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15028 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15029 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15030 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15031 (ldblspecs): New goal.
15032 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15033 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15035 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15036 L_sf_to_tf or L_df_to_tf is defined.
15038 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15039 Alan Modra <amodra@bigpond.net.au>
15042 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15043 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15044 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15045 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15046 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15047 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15048 (rs6000_override_options): Initialize rs6000_ieeequad.
15049 Initialize TFmode format to ibm_extended_format if not
15051 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15053 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15054 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15055 (function_arg_advance): IBM long double passed in two FPRs, not
15057 (function_arg): IBM long double passed in FPRs.
15058 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15059 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15060 Only multireg GPR aligned.
15061 (rs6000_init_libfuncs): Enable IBM long double functions if not
15063 (rs6000_generate_compare): Use IBM long double compare if not
15065 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15066 (TARGET_IEEEQUAD): Define.
15067 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15068 not TARGET_IEEEQUAD.
15069 * config/rs6000/rs6000.md: Enable TFmode patterns if
15071 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15072 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15073 and -mlong-double-128 are incompatible.
15074 * doc/invoke.texi (-mabi): Collect options together. Add
15075 ibmlongdouble and ieeelongdouble.
15077 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15079 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15081 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15082 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15083 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15084 * rtl.h (rtunion_def): Remove rt_ptr.
15086 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15087 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15088 * config/i386/winnt.c (i386_pe_mark_dllexport)
15089 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15091 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15093 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15095 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15099 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15100 pthread_key_delete. From John David Anglin. gthrw-ify
15101 pthread_getunique_np only if it it's not a macro. Delete
15103 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15104 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15105 __gthread_objc_condition_signal, __gthread_key_delete): Add
15106 "__attribute__ ((__unused__))" to unused arguments.
15107 (__gthread_recursive_mutex_init_function): Add missing return.
15108 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15109 gthr-posix95.h: Use macro-based approach for name redirection
15110 on targets missing weakref.
15112 2006-01-26 Zack Weinberg <zackw@panix.com>
15114 * genconditions.c (write_header): In generated code, #ifdef out
15115 all includes and fake declarations, except includes of bconfig.h
15116 and system.h, unless GCC_VERSION >= 3001. Do not include
15117 gensupport.h in any case.
15118 (write_conditions): Generate a definition of struct c_test. Add
15119 a comment to the generated #endif.
15120 (write_one_condition): Escape backslashes in string too.
15121 (write_writer): Generated code must escape backslashes and quote
15122 marks (but not newlines) in the strings it writes.
15123 * Makefile.in (build/gencondmd.o): Update dependencies.
15125 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15128 * Makefile.in (insn-automata.o): Add header file dependencies.
15129 * genautomata.c: Add includes.
15131 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15134 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15136 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15138 * configure.ac: Expect target tools paths to be passed from the toplevel
15139 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15141 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15143 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15146 * c.opt (Wpointer-sign): Init to -1.
15147 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15148 OPT_pedantic, to 0 otherwise.
15149 * doc/invoke.texi: Update.
15151 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15153 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15154 constants provided by 80387 instructions in the destination mode.
15156 2006-01-26 Richard Guenther <rguenther@suse.de>
15157 Andrew Pinski <pinskia@physics.uc.edu>
15160 partial PR tree-opt/17064
15161 * tree-ssa-structalias.c (intra_create_variable_infos):
15162 Create heap variables for incoming parameters if
15163 flag_argument_noalias > 1.
15164 (find_what_p_points_to): Look through default defs of
15167 2006-01-26 Jeff Law <law@redhat.com>
15170 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15171 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15172 within the VR_RANGE, use the VR_RANGE as the result, not the
15174 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15175 bounds for the type.
15177 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15179 * tree-ssa-alias.c (maybe_create_global_var): Change
15180 subvar walking to an assertion that we don't have subvar'd variables.
15182 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15185 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15186 Use a new variable, inner. PARM_DECLs are always non-weak.
15188 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15190 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15191 --disable-checking.
15193 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15195 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15197 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15199 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15200 (smax_insn, smin_insn, smax_0, smin_0): New.
15202 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15205 * config/cris/cris.c (cris_order_for_addsi3): New function.
15206 * config/cris/cris-protos.h: Prototype it.
15207 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15208 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15209 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15210 (split for "op.S1 [rx=rx+i],ry (swapped)")
15211 (split for "op(s|u).S1 [rx=rx+i],ry")
15212 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15213 Apply cris_order_for_addsi3 when generating addsi3 insns.
15215 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15217 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15218 (TREE_BLOCK): Add call to EXPR_CHECK.
15220 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15223 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15224 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15225 (dump_omp_clauses): ... here.
15226 (dump_generic_node): Handle OMP_CLAUSE.
15227 * tree.c (omp_clause_num_ops): New.
15228 (omp_clause_code_name): New.
15229 (tree_code_size): Handle OMP_CLAUSE.
15230 (tree_size): Likewise.
15231 (make_node): Document handling of OMP_CLAUSE.
15232 (tree_node_structure): Handle OMP_CLAUSE.
15233 (omp_clause_check_failed): New.
15234 (omp_clause_range_check_failed): New.
15235 (omp_clause_operand_check_failed): New.
15236 (build_omp_clause): New.
15237 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15238 * tree.h (enum omp_clause_code): Declare.
15239 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15240 (OMP_CLAUSE_RANGE_CHECK): Define.
15241 (OMP_CLAUSE_ELT_CHECK): Define.
15242 (omp_clause_check_failed): Declare.
15243 (omp_clause_operand_check_failed): Declare.
15244 (omp_clause_range_check_failed): Declare.
15245 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15246 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15247 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15248 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15249 (OMP_CLAUSE_IF_EXPR): Likewise.
15250 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15251 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15252 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15253 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15254 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15255 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15256 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15257 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15258 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15259 (OMP_CLAUSE_CODE): Define.
15260 (OMP_CLAUSE_SET_CODE): Define.
15261 (OMP_CLAUSE_CODE): Define.
15262 (OMP_CLAUSE_OPERAND): Define.
15263 (struct tree_omp_clause): Declare.
15264 (union tree_node): Add field 'omp_clause'.
15265 * treestruct.def (TS_OMP_CLAUSE): Define.
15266 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15267 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15268 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15269 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15270 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15271 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15272 (OMP_CLAUSE): Define.
15273 * print-tree.c (print_node): Handle OMP_CLAUSE.
15274 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15275 * c-typeck.c: Likewise.
15276 * gimplify.c: Likewise.
15277 * c-omp.c: Likewise.
15278 * tree-nested.c: Likewise.
15279 * tree-inline.c: Likewise.
15280 * c-parser.c: Likewise.
15281 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15284 2006-01-25 Roger Sayle <roger@eyesopen.com>
15286 PR rtl-optimization/25703
15287 * combine.c (try_combine): Handle zero_extract and strict_low_part
15288 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15290 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15292 * global.c: Fix comment typos.
15294 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15297 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15298 Use output_addr_const instead of assemble_name.
15300 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15302 * Makefile.in (sched-vis.o): Update dependencies.
15303 * haifa-sched.c (sched_finish): Clear current_sched_info.
15304 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15305 (dump_flow_info): Call it.
15306 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15308 * basic-block.h (dump_bb_info): Declare.
15309 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15310 option, and apply options only for dump files whose TDF_RTL,
15311 TDF_TREE, or TDF_IPA bits match.
15312 * rtl.h: Declare new functions exported from sched-vis.c.
15313 * sched-vis.c: Enable also if scheduling is not used.
15314 (print_value): Print the mode of registers if not inside scheduling.
15315 (print_insn): Make it work outside the scheduler. Beautify the output
15317 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15319 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15321 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15322 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15323 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15324 depending on the value of CONSTANT_POOL_ADDRESS_P.
15325 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15327 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15328 rather than SYMBOL_REF_DECL.
15329 (rtx_constant_pool): Remove const_rtx_sym_htab.
15330 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15331 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15332 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15333 Remove handling of const_rtx_sym_htab.
15334 (find_pool_constant): Delete.
15335 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15336 rather than find_pool_constant.
15337 (get_pool_constant_for_function): Delete.
15338 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15339 find_pool_constant.
15340 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15341 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15342 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15343 (SYMBOL_REF_CONSTANT): New macro.
15344 (get_pool_constant_for_function): Delete.
15345 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15346 rather than SYMBOL_REF_DECL.
15347 (i386_pe_mark_dllimport): Likewise.
15348 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15349 rather than SYMBOL_REF_DECL.
15350 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15351 (machopic_indirect_call_target): Likewise.
15353 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15355 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15357 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15359 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15361 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15363 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15365 2006-01-24 David Daney <ddaney@avtrex.com>
15368 * configure.ac (enable_tls): New enable option.
15369 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15370 * configure: Regenerate.
15371 * doc/install.texi (--enable-tls): Document new option.
15372 (--disable-tls): Ditto.
15374 2006-01-24 Richard Henderson <rth@redehat.com>
15376 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15377 * alias.c (true_dependence): Respect it.
15378 (canon_true_dependence, write_dependence_p): Likewise.
15379 * builtins.c (get_builtin_sync_mem): Set it.
15381 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15383 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15386 2006-01-24 DJ Delorie <dj@redhat.com>
15388 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15389 for storing constants in single-bit bitfields.
15391 2006-01-25 Ben Elliston <bje@au.ibm.com>
15393 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15395 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15398 * tree-ssa-pre.c (phi_translate): Return NULL
15399 for AGGREGATE_TYPE's.
15401 2006-01-24 Zack Weinberg <zackw@panix.com>
15403 * genautomata.c (process_state_for_insn_equiv_partition):
15404 Use xcalloc for insn_arcs_array.
15405 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15406 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15408 2006-01-24 Richard Henderson <rth@redhat.com>
15410 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15411 update all callers.
15413 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15415 PR rtl-optimization/25890
15416 PR rtl-optimization/25905
15417 * combine.c (expand_compound_operation, expand_field_assignment):
15418 Fail if the bitfield's final position is out of bounds.
15420 2006-01-24 Ian Lance Taylor <ian@airs.com>
15422 PR middle-end/25930
15423 * cgraphunit.c (cgraph_output_in_order): Don't clear
15424 cgraph_asm_nodes until after asm strings have been output.
15426 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15428 * fix-header.c (read_scan_file): Add new parameter imultilib when
15429 calling register_include_chains.
15431 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15433 * omp-low.c: Update documentation.
15435 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15436 Daniel Berlin <dberlin@dberlin.org>
15440 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15441 return from the function.
15443 2006-01-22 Zack Weinberg <zackw@panix.com>
15445 * rtl.def (match_code): Add second argument.
15446 * genpreds.c (write_extract_subexp): New function.
15447 (write_match_code): Add path argument. Use write_extract_subexp.
15448 (write_predicate_expr): Pass path to write_match_code.
15449 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15450 not perform a mode test.
15451 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15452 a subexpression does not constrain the top-level code set.
15453 * read-rtl.c (read_rtx_variadic): New function.
15454 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15455 * doc/md.texi: Document new notation.
15456 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15457 (cmpsi_operand): ... here, using new notation.
15459 2006-01-22 Zack Weinberg <zackw@panix.com>
15461 * varray.c: Remove GENERATOR_FILE #ifdefs.
15463 2006-01-22 Zack Weinberg <zackw@panix.com>
15465 * genautomata.c (output_reserved_units_table): Emit nothing if
15466 description->query_units_num is zero. Remove extra blank line.
15467 (output_cpu_unit_reservation_p): Short circuit
15468 if description->query_units_num is zero.
15470 2006-01-22 Zack Weinberg <zackw@panix.com>
15472 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15473 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15474 nor any of the random handful of variables that used to be necessary
15475 when this program was linked with rtlanal.o. Prune set of forward
15476 function declarations.
15477 (struct attr_desc): Remove static_p field.
15478 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15479 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15480 (attr_string): Do not read the character one past the length of
15482 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15483 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15484 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15485 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15486 (make_automaton_attrs): New.
15487 (main): Do not call into genautomata. Call local gen_bypass
15488 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15489 Remove special case for insn_alts.
15490 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15491 varray.h (leftover from previous change). Prune set of forward
15492 function declarations. Remove state_alts fields from all
15493 structures. Remove state_alts_table from struct automaton.
15494 Make everything except main static. Do not maintain num_dfa_decls.
15495 Do not maintain state_alts fields of various structures.
15496 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15497 (add_arc): Remove state_alts argument. All callers updated.
15498 (output_reserved_units_table): Emit #ifdef here...
15499 (output_tables): ...not here. Don't generate state_alts tables.
15500 (expand_automata): Don't generate attributes.
15501 (write_automata): Don't generate state_alts functions.
15502 (main): New function.
15503 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15504 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15505 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15506 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15507 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15508 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15509 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15510 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15512 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15513 * genattrtab.h: Delete file.
15514 * Makefile.in (OBJS-common): Add insn-automata.o.
15515 (insn-automata.o): New rule.
15516 (simple_generated_c): Add insn-automata.c.
15517 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15518 (genprogmd): Add automata.
15519 (build/genattrtab): Needs no extra objects nor libraries.
15520 (build/genautomata): Needs build/vec.o and -lm.
15522 2006-01-22 Zack Weinberg <zackw@panix.com>
15524 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15525 (output_dfa_max_issue_rate, locked_states_num): Delete.
15526 (struct automaton): Add locked_states field.
15527 (output_dead_lock_vect): Save number of locked states in
15528 automaton->locked_states. If it is zero, don't print anything.
15529 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15530 (output_internal_dead_lock_func): Only test the dead_lock_vect
15531 for automata that have locked states.
15532 (output_statistics): Always print the number of locked states for
15533 each automaton. Calculate total number of locked states here.
15534 (write_automata): Don't call output_dfa_max_issue_rate.
15535 * genattrtab.c: Define length_unit_log as a const variable.
15536 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15537 max_insn_queue_index const.
15538 * final.c (length_unit_log): Declare const.
15539 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15541 2006-01-22 Zack Weinberg <zackw@panix.com>
15543 * genautomata.c: Include vec.h, not varray.h.
15544 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15545 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15546 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15547 VEC_* macros operating on appropriately typed vectors, or to
15548 malloced arrays when the size is known in advance. Const-ify
15549 many char* variables and function arguments. No functional changes.
15550 * Makefile.in (build/varray.o): Delete rule.
15551 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15552 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15554 2006-01-22 Zack Weinberg <zackw@panix.com>
15556 * gensupport.c: Define get_insn_name and record_insn_name here.
15557 (read_md_rtx): Call record_insn_name as appropriate.
15558 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15559 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15560 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15562 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15563 (BUILD_VARRAY): Delete.
15564 (genprognormal): Rename genprogmd. Fold in all programs from
15565 genprognoprint; also attrtab.
15566 (build/genattrtab): Just mention genautomata.o and varray.o.
15567 Reorganize a bit, add comments to make the categories clearer.
15569 2006-01-22 Zack Weinberg <zackw@panix.com>
15571 * genconditions.c (condition_table, add_condition): Delete.
15572 (write_conditions): Don't emit n_insn_conditions nor
15573 insn_elision_unavailable. Issue the gcc version #ifdef here,
15574 inside the table, with no #else clause ...
15575 (write_header): ...not here.
15576 (write_writer): New function.
15577 (main): Don't initialize condition_table. Use add_c_test.
15579 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15580 files on the command line.
15581 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15582 Return -1 if there is no entry in the table, don't abort.
15583 (add_c_test, traverse_c_tests): New functions.
15584 * gensupport.h (insn_elision_unavailable, insn_conditions)
15585 (n_insn_conditions): Delete declarations.
15586 (add_c_test, traverse_c_tests): Declare.
15587 * read-rtl.c: Include gensupport.h.
15588 (read_conditions): New function.
15589 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15590 (read_rtx_1): If we get EOF when we were looking for an initial
15591 open paren, return 0. Call read_conditions when appropriate.
15592 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15593 dummy-conditions.o. Eliminate references to insn-conditions.o,
15594 or change them to build/gencondmd.o, as appropriate. Remove
15595 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15596 from $(simple_generated_c). For all files remaining in those
15597 two lists, add insn-conditions.md to the generator command line.
15598 Give insn-constants.h/s-constants their own rules. Add rules
15599 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15600 (build/read-rtl.o): Depend on gensupport.h.
15601 (genprognormal): Include preds.
15602 (genprogearly): Rename genprognoprint; only difference is now that
15603 they don't link with $(BUILD_PRINT).
15604 * dummy-conditions.c: Delete.
15606 2006-01-22 Zack Weinberg <zackw@panix.com>
15608 * genextract.c: Don't include insn-config.h. Do include vec.h.
15609 Declare vectors of int, char, and locstr.
15610 (locstr): New typedef.
15611 (struct extraction): Make all array fields into bare pointers.
15612 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15613 (insn_code_number): Delete.
15614 (accum_extract): New struct.
15615 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15616 (gen_insn): Take insn_code_number as an argument. Use an
15617 accum_extract structure instead of loading data directly into
15618 a struct extraction, and having to know how big it might get.
15619 (walk_rtx): Operate entirely on an accum_extract structure.
15620 (print_path): Avoid unnecessary use of printf.
15621 (print_header): New function, split out of main. Distinguish
15622 more carefully between an unrecognizable insn and an insn that
15623 has the code number of a define_expand.
15624 (main): Pass insn_code_number to gen_insn. Call print_header
15625 only after parsing. Avoid unnecessary use of printf.
15626 * Makefile.in (build/vec.o): New rule.
15627 (build/genextract): Depend on build/vec.o.
15628 (build/genextract.o): Don't depend on insn-config.h.
15630 2006-01-22 Zack Weinberg <zackw@panix.com>
15632 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15633 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15634 practical. Eliminate per-generator-program link rules.
15636 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15638 PR middle-end/24437
15639 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15640 with a call expr to ...
15641 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15643 2006-01-23 Richard Guenther <rguenther@suse.de>
15645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15646 before make_edge with conditional EDGE_TRUE_VALUE.
15648 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15649 Jan Hubicka <jh@suse.cz>
15650 Richard Guenther <rguenther@suse.de>
15652 PR rtl-optimization/25654
15653 * cfgexpand.c (aggregate_contains_union_type): New function.
15654 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15655 for structure variables that contain a union type.
15657 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15659 * gengtype.c (new_structure): Return the structure.
15660 (create_option): Add an extra "next" argument.
15661 (create_field): New function.
15662 (adjust_field_rtx_def): Use create_option and create_field.
15663 Remove a now-unnecessary call to find_structure.
15664 (adjust_field_tree_def): Likewise.
15665 (note_yacc_type): Remove an unnecessary call to find_structure.
15666 * gengtype.h (new_structure): Return the structure.
15667 (create_option): Add an extra argument.
15668 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15669 (option): Adjust calls to create_option.
15671 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15673 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15675 2006-01-22 Paul Brook <paul@codesourcery.com>
15676 Peter Barada <peter@the-baradas.com>
15678 * config/m68k/m68k.md: Add Coldfire FPU support.
15679 Define FP mode macro and associated attributes.
15680 Use it for float mode patterns.
15681 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15682 (LIBCALL_VALUE): Use m68k_libcall_value.
15683 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15684 (m68k_function_value): Ditto.
15685 (emit_move_sequence): Ditto.
15686 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15687 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15688 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15689 (MULTILIB_EXCEPTIONS): Ditto.
15690 * config/m68k/m68k.opt: Add mcfv4e.
15691 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15692 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15693 (m68k_output_function_prologue): Save ColdFire FPU registers.
15694 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15695 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15696 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15697 ColdFire FPU registers.
15698 (m68k_libcall_value, m68k_function_value): New functions.
15699 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15700 (LIBCALL_VALUE): Use m68k_libcall_value.
15701 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15702 (MASK_COLDFIRE): Add MASK_CFV4E.
15703 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15704 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15705 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15706 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15707 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15708 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15709 * doc/invoke.tex: Document -mcfv4e on m68k.
15711 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15713 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15716 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15719 * c-opts.c (c_common_handle_option): Don't include
15720 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15721 * doc/invoke.texi (C++ Dialect Options): Document that
15722 -Wnon-virtual-dtor is no longer included in -Wall.
15724 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15726 * gcov.c (print_version), gcov-dump.c (print_version),
15727 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15730 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15732 * df-scan.c (problem_SCAN): Added NULL reset function.
15733 (df_scan_reset_blocks): Added code to call reset block function
15734 (df_bb_refs_delete) Fixed comment.
15735 (df_insn_refs_delete): Made tolerant of deleting non existent info
15736 for dataflow problems that need to be reset.
15737 * df-core.c (df_set_blocks): Ditto.
15738 * df.h (struct df_problem): Added reset_fun.
15739 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15740 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15741 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15742 functions to clear out all references to def-use or use-def chains.
15744 2006-01-21 Ben Elliston <bje@au.ibm.com>
15746 * varasm.c (assemble_real): Initialise data array.
15748 2006-01-20 Paul Brook <paul@codesourcery.com>
15750 Merge from csl-arm-branch.
15751 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15752 * config/arm/arm.md (movdi): Force operands[1] to a register
15753 if we have a non-register source.
15754 (*arm_movdi, *movdf_soft_insn): Require that one of the
15755 operands be a register.
15756 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15757 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15759 2006-01-20 DJ Delorie <dj@redhat.com>
15761 * varasm.c (initializer_constant_valid_p): Allow pointers
15762 initialized from integer constants of lesser precision.
15763 (output_constant): Allow non-int-sized pointer modes to be
15764 initialized from integer constants.
15766 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15769 * cppdefault.h (struct default_include): Add multilib flag.
15770 * cppdefault.c (cpp_include_defaults): Set it.
15771 * c.opt (-imultilib): New option.
15772 * c-opts.c (imultilib): New.
15773 (c_common_handle_option): Handle -imultilib.
15774 (c_common_post_options): Likewise.
15775 * c-incpath.c (add_standard_paths, register_include_chains):
15777 * c-incpath.h (register_include_chains): Add extra parameter.
15778 * gcc.c (do_spec_1): Generate -imultilib option.
15779 (The Specs Language): Update %I description.
15780 (process_command): Update copyright notice.
15781 * doc/cppopts.texi (-imultilib): Document.
15782 * doc/invoke.texi (-imultilib): Include in option summary.
15783 (%I): Update specs documentation.
15785 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15787 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15789 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15791 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15794 2006-01-20 Richard Guenther <rguenther@suse.de>
15795 Steven Bosscher <stevenb.gcc@gmail.com>
15797 PR rtl-optimization/24626
15798 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15799 EDGE_TRUE_VALUE if in RTL mode.
15802 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15803 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15805 2006-01-20 Dirk Mueller <dmueller@suse.com>
15808 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15809 instead of a special NOP marker.
15810 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15811 NOP marker handling.
15812 * c-common.h (empty_body_warning): Add forward declaration.
15813 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15814 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15816 2006-01-20 Paul Brook <paul@codesourcery.com>
15818 * Makefile.in (lang_checks): Keep going if mkdir fails.
15820 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15822 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15823 be able to clean out basic block when not necessary.
15824 (df_scan_free): Fixed to properly delete information if df is
15825 unused before calling df_finish.
15826 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15827 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15829 (df_bb_refs_delete): New function.
15830 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15831 * df-core.c (df_set_blocks): Added code to properly clean out
15832 unused blocks if they are not part of the blocks to consider.
15833 Added additional null check.
15834 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15835 be able to clean out basic block when not necessary
15836 * df.h (df_free_bb_function): Ditto.
15837 (df_bb_refs_delete): New function.
15838 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15839 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15840 basic block parameter to be able to clean out basic block when not
15842 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15843 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15844 Fixed to properly delete information if df is unused before
15847 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15849 PR rtl-optimization/25799
15850 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15851 Corrected confluence operator to remove bits from op2 before oring
15852 with op1 rather than removing bits from op1.
15853 (df_ru_transfer_function): Corrected test on wrong bitmap which
15854 caused infinite loop. Both of these problems were introduced in
15855 the dataflow rewrite.
15857 2006-01-19 DJ Delorie <dj@redhat.com>
15859 * reload1.c (find_reload_regs): Note the details of reload
15860 failures in the dump file.
15861 (spill_failure): Likewise.
15863 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15865 * loop-iv.c: Include df.h and hashtab.h.
15866 (enum iv_grd_result): New enum.
15867 (DF_REF_IV, DF_REF_IV_SET): New macros.
15868 (struct biv_entry): New.
15869 (df, bivs): New global variables.
15870 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15871 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15873 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15874 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15875 analyzed_for_bivness_p, record_biv): New functions.
15876 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15877 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15878 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15880 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15882 (iv_number_of_iterations): Use new interface to iv analysis.
15883 * loop-unroll.c: Do not include varray.h.
15884 (analyze_iv_to_split_insn): Use new interface to iv
15886 * loop-unswitch.c (may_unswitch_on): Ditto.
15887 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15889 (df_bb_modify): Realloc tables to the new index.
15890 (df_find_use): New function.
15891 * df.h (df_find_use): Declare.
15892 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15894 * cfgloop.h (struct rtx_iv): Remove analysed field.
15895 (iv_get_reaching_def): Removed.
15896 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15897 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15898 (loop-iv.o): Add df.h and hashtab.h dependency.
15899 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15901 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15904 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15906 (__floatundisf, __floatundidf): Likewise.
15907 * libgcc2.h (IS_IBM_EXTENDED): Define.
15909 2006-01-19 DJ Delorie <dj@redhat.com>
15911 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15913 2006-01-19 Paul Brook <paul@codesourcery.com>
15915 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15916 as nothrow when unwinding tables are disabled.
15918 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15921 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15922 of bit-field" when in system header.
15924 2006-01-19 DJ Delorie <dj@redhat.com>
15926 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15927 the 16 bit shift limit of the m16c.
15929 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15932 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15933 * config/i386/i386.c (output_set_got): Output the label if we have one
15934 for the TARGET_DEEP_BRANCH_PREDICTION case.
15936 2006-01-19 Jan Hubicka <jh@suse.cz>
15937 H.J. Lu <hongjiu.lu@intel.com>
15938 Evandro Menezes <evandro.menezes@amd.com>
15940 * invoke.texi (generic): Document
15942 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15943 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15944 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15945 (x86_use_incdec, x86_pad_returns): New variables
15946 (TARGET_CPU_DEFAULT_generic): New constant
15947 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15948 (enum processor_type): Add generic32 and generic64.
15949 * i386.md (cpu attribute): Add generic32/generic64
15950 (movhi splitter): Behave sanely when both partial_reg_dependency and
15951 partial_reg_stall are set.
15952 (K8 splitters): Enable for generic as well.
15953 * predicates.md (incdec_operand): Use TARGET_INCDEC
15954 (aligned_operand): Avoid memory mismatch stalls.
15955 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15956 * ppro.md: Enable for generic32
15957 * i386.c (generic64_cost, generic32_cost): New.
15958 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15959 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15960 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15961 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15962 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15963 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15964 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15965 x86_accumulate_outgoing_args, x86_prologue_using_move,
15966 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15967 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15968 Enable for generic.
15969 (x86_use_incdec, x86_pad_returns): New.
15970 (override_options): Add generic32 and generic64, translate "generic"
15971 to generic32/generic64 and "i686" to "generic32", refuse
15972 "generic32"/"generic64" as arch target.
15973 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15974 (ix86_reorg): Honor PAD_RETURNS.
15976 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15978 * tree-pretty-print.c (dump_generic_node): Handle
15979 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15980 * cgraph.c (cgraph_expand_queue): Rename from
15981 cgraph_analyze_queue. Update all users.
15982 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15983 cgraph_expand_queue.
15984 (cgraph_expand_all_functions): Likewise.
15985 (cgraph_finalize_pending_functions): Remove. Update callers.
15987 * tree.h (OMP_DIRECTIVE_P): Define.
15988 (OMP_PARALLEL_FN): Define.
15989 (OMP_PARALLEL_DATA_ARG): Define.
15990 (OMP_SECTIONS_SECTIONS): Define.
15991 * tree-pass.h (pass_expand_omp): Declare.
15992 * omp-low.c (struct omp_region): Declare.
15993 (struct omp_context): Remove fields 'parallel_type',
15994 'parallel_start_ix' and 'parallel_start_additional_args'.
15996 (struct omp_for_data): Rename from struct expand_omp_for_data.
15997 (omp_regions): New static variable.
15998 (root_omp_region): New static variable.
15999 (find_omp_clause): Make static.
16000 (is_in_combined_parallel_ctx): Remove.
16001 (is_combined_parallel): New.
16002 (extract_omp_for_data): Move earlier in the file.
16003 (workshare_safe_to_combine_p): New.
16004 (get_ws_args_for): New.
16005 (determine_parallel_type): Move earlier in the file.
16006 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16008 (omp_copy_decl): Likewise.
16009 (create_omp_child_function): Likewise.
16010 (lookup_omp_region): New.
16011 (dump_omp_region): New.
16012 (debug_omp_region): New.
16013 (debug_all_omp_regions): New.
16014 (new_omp_region): New.
16015 (scan_omp_parallel): If parallel_nesting_level > 1, the
16016 directive is nested within another parallel directive.
16017 Set OMP_PARALLEL_FN.
16018 (scan_omp_for): Do not try to handle combined parallel+for
16020 Remove FIXME comment.
16021 (scan_omp_nested): Remove.
16022 (scan_omp_1): Do not call scan_omp_nested when
16023 parallel_nesting_level is > 1.
16024 Do not change the DECL_CONTEXT of local variables found.
16025 (lookup_decl_in_outer_ctx): New.
16026 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16027 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16028 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16029 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16030 If CTX is nested, lookup VAR in the outer context when
16031 building copy assignment.
16032 (lower_send_clauses): Rename from expand_send_clauses.
16033 If CTX is nested, lookup VAR in the outer context when
16034 building copy assignments.
16035 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16036 If CTX is nested, lookup VAR in the outer context when
16037 building copy assignments.
16038 (expand_parallel_call): Rename from build_parallel_call.
16039 Handle combined parallel+workshare cases.
16040 Re-implement to emit code into the CFG.
16042 (expand_omp_parallel): Re-implement to emit code into the CFG.
16043 Call move_sese_region_to_fn to outline the sub-graph
16044 containing the parallel region.
16045 (expand_omp_for_1): Remove.
16046 (expand_omp_for_generic): Re-implement to emit code into the
16048 (expand_omp_for_static_nochunk): Likewise.
16049 (expand_omp_for_static_chunk): Likewise.
16050 (expand_omp_for): Likewise.
16051 (expand_omp_sections): Likewise.
16052 (remove_exit_barriers): New.
16053 (expand_omp_synch): New.
16055 (build_omp_regions_1): New.
16056 (build_omp_regions): New.
16057 (execute_expand_omp): New.
16058 (gate_expand_omp): New.
16059 (pass_expand_omp): Define.
16060 (lower_omp_sections): Rename from expand_omp_sections.
16061 Set OMP_SECTIONS_SECTIONS.
16062 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16063 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16064 (lower_omp_single): Rename from expand_omp_simple.
16065 (lower_omp_master): Rename from expand_omp_master.
16066 (lower_omp_ordered): Rename from expand_omp_ordered.
16067 (lower_omp_critical): Rename from expand_omp_critical.
16068 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16069 (lower_omp_for): Re-implement.
16070 (lower_omp_parallel): Re-implement.
16071 (lower_regimplify): Rename from expand_regimplify.
16072 (lower_omp_1): Rename from expand_omp_1.
16073 If there are syntax errors in the program, replace every
16074 OpenMP directive with NOP.
16075 Call lower_omp_* instead of expand_omp_*.
16076 (lower_omp): Rename from expand_omp.
16078 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16079 * tree-gimple.h (enum omp_parallel_type): Remove.
16080 (gimple_boolify): Declare extern.
16081 (find_omp_clause, determine_parallel_type): Remove.
16083 * gimple-low.c (lower_omp_directive): New.
16084 (lower_stmt): Call it.
16085 (record_vars_into): Move from ...
16086 (record_vars): ... here.
16087 Call record_vars_into with current_function_decl.
16089 * gimplify.c (struct gimplify_ctx): Remove fields
16090 combined_pre_p and combined_ctxp. Update users.
16091 (get_formal_tmp_var): Add documentation.
16092 (gimple_boolify): Make extern.
16093 (gimplify_expr_in_ctx): Remove. Update callers.
16094 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16095 will always be a BIND_EXPR.
16096 (gimplify_expr): Handle OMP_RETURN_EXPR.
16097 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16098 (OMP_PARALLEL): Add 3 operands.
16099 (OMP_SECTIONS): Add 1 operand.
16100 (OMP_RETURN_EXPR): Define.
16102 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16103 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16104 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16105 creating a circular free list.
16106 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16108 * tree-flow.h (move_sese_region_to_fn): Declare.
16109 (record_vars_into): Declare.
16110 * tree-cfg.c (make_omp_sections_edges): New.
16111 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16112 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16113 OMP_SECTIONS and OMP_SECTION.
16114 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16115 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16116 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16117 (gather_blocks_in_sese_region): New.
16118 (struct move_stmt_d): Declare.
16119 (move_stmt_r): New.
16120 (move_block_to_fn): New.
16121 (move_sese_region_to_fn): New.
16123 * passes.c (init_optimization_passes): Schedule
16124 pass_expand_omp after pass_init_datastructures.
16126 * tree-ssa-operands.c (get_expr_operands): Handle
16127 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16128 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16130 2006-01-19 Jeff Law <law@redhat.com>
16132 * tree-vrp.c (extract_range_from_assert): Refine the result range
16133 if the variable referenced by the ASSERT_EXPR has a range and
16134 either the tentative result range or the previous range is a
16137 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16139 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16141 2006-01-19 Jan Hubicka <jh@suse.cz>
16143 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16145 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16147 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16148 (expand_compound_operation, expand_field_assignment): Fail if the
16149 bit lengths of an extract operation are out of range.
16150 (make_extraction): Compute wanted_inner_mode based on the position
16151 and length of the extraction. Make it extraction_mode for non-constant
16152 positions, and do not modify offset in that case. When generating a
16153 new MEM, use a mode that can hold the extraction while keeping correct
16154 alignment. Remove code that supported MEMs wrapped by USEs.
16155 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16157 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16159 * config/s390/s390.md ("Y", "y"): New mode attribute.
16160 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16161 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16162 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16163 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16164 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16165 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16166 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16167 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16168 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16169 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16170 "addsi3", "subsi3"): Insn patterns removed.
16171 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16172 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16173 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16174 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16175 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16176 "*sub<mode>3_cconly2"): New insn patterns.
16177 ("addsi3", "subsi3"): New expanders.
16179 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16181 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16182 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16183 existing STMT_VINFO_VECTYPE if available.
16184 (vect_mark_relevant): Add special handling for stmts that are
16185 marked as STMT_VINFO_IN_PATTERN_P.
16186 (vect_analyze_loop): Call vect_pattern_recog.
16187 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16188 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16190 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16191 (vect_recog_func_ptr): New function-pointer type.
16192 * tree-vect-patterns.c: New file.
16193 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16194 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16195 (vect_pattern_recog_1): New functions.
16196 (vect_pattern_recog_funcs): New array of function pointers.
16198 * tree-vectorizer.h (ternary_op): New enum value.
16199 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16200 declaration. Revised documentation. Removed redundant dump prints.
16201 Removed redundant argument. Added support for reduction patterns.
16202 (vectorizable_reduction): Added support for reduction patterns.
16203 (vect_transform_stmt): Added support for patterns.
16205 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16206 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16207 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16208 (expand_widen_pattern_expr): New function.
16209 (init_optabs): Initialize new optabs udot_prod_optab,
16211 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16212 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16213 (expand_widen_pattern_expr): New function declaration.
16214 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16216 * tree-inline.c (estimate_num_insns_1): Added cases for new
16217 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16218 * tree-pretty-print.c (dump_generic_node): Likewise.
16219 (op_prio): Likewise.
16220 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16221 * tree-ssa-operands.c (get_expr_operands): Added case for
16223 * tree-vect-patterns.c (widened_name_p): New function.
16224 (vect_recog_dot_prod_pattern): Added function implementation.
16225 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16226 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16227 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16228 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16230 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16231 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16232 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16233 (init_optabs): Initialize new optabs widen_ssum_optab,
16235 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16236 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16237 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16238 use instead of type of def.
16239 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16240 function implementation.
16241 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16242 widen_ssumv8hi): New.
16244 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16247 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16250 * c-decl.c (add_flexible_array_elts_to_size): New function.
16251 (finish_decl): Use it.
16253 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16255 * diagnostic.h: Include options.h.
16256 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16257 dependancies for diagnostic.h.
16258 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16260 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16262 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16263 (ssa_ro_call_cache_valid): Ditto.
16264 * tree-ssa-alias.c (sort_tags_by_id): New function.
16265 (init_transitive_clobber_worklist): Ditto.
16266 (add_to_worklist): Ditto.
16267 (mark_aliases_call_clobbered): Ditto.
16268 (compute_tag_properties): Ditto.
16269 (set_initial_properties): Ditto.
16270 (compute_call_clobbered): Ditto.
16271 (compute_may_aliases): Call compute_call_clobbered and grouping.
16272 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16273 (compute_flow_insensitive_aliasing): Grouping now happens in our
16275 (setup_pointers_and_addressables): Remove clobbering related code.
16276 (add_may_alias): Ditto.
16277 (replace_may_alias): Ditto.
16278 (get_nmt_for): Ditto.
16279 (create_global_var):
16280 (is_escape_site): Return an escape_type enumeration.
16281 * tree-flow-inline.h (is_call_clobbered): Global var does not
16282 imply call clobbered.
16283 (mark_call_clobbered): Take a reason for marking this. Remove
16284 marking of globalness, and cache invalidation.
16285 (clear_call_clobbered): Remove cache invalidation code.
16286 * tree-dfa.c (dump_variable): If details is on, dump the reason
16288 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16290 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16291 (struct var_ann_d): Ditto.
16292 (enum escape_type): New.
16293 (mark_call_clobbered): Adjust prototype.
16294 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16295 are never call clobbered.
16296 Record reasons for escaping.
16297 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16298 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16299 (ssa_ro_call_cache_valid): Ditto.
16300 (clobbered_v_may_defs): Ditto.
16301 (clobbered_vuses): Ditto.
16302 (ro_call_vuses): Ditto.
16303 (clobber_stats): New.
16304 (init_ssa_operands): Zero out clobber stats.
16305 (fini_ssa_operands): Print out clobber stats.
16306 (get_call_expr_operands): Pass callee fndecl to
16307 add_call_read_ops).
16308 (add_call_clobber_ops): Remove use of cache.
16309 Add use of PURE_CONST information.
16310 (add_call_read_ops): Remove use of cache.
16311 Add use of static not_read information.
16313 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16315 Introduce TLS descriptors for i386 and x86_64.
16316 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16317 (TARGET_ANY_GNU_TLS): New macro.
16318 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16319 (struct machine_function): Add tls_descriptor_call_expanded_p.
16320 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16321 (ix86_current_function_calls_tls_descriptor): Likewise.
16322 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16323 (override_options): Introduce gnu2 tls dialect.
16324 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16326 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16328 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16329 (ix86_init_machine_status): Initialize new field.
16330 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16331 (ix86_tls_module_base): New.
16332 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16333 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16334 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16335 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16336 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16337 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16338 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16339 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16340 * config/i386/predicates.md (tls_modbase_operand): New.
16341 (tp_or_register_operand): New.
16343 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16345 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16346 (look_for_address_of): Ditto.
16347 (ipa_init): Walk the function decls.
16348 (static_execute): Don't set readonly on FUNCTION_DECL's.
16350 2006-01-18 Roger Sayle <roger@eyesopen.com>
16352 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16353 for shifts where the source and destination registers are different.
16355 2006-01-18 Paul Brook <paul@codesourcery.com>
16357 Merge from csl-arm-branch.
16358 2005-03-14 Julian Brown <julian@codesourcery.com>
16359 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16360 (aeabi_llsl): Likewise.
16361 (ashrdi3): Likewise.
16362 (aeabi_lasr): Likewise.
16363 (lshrdi3): Likewise.
16364 (aeabi_llsr): Likewise.
16365 2005-03-10 Julian Brown <julian@codesourcery.com>
16366 * config.gcc: Disable shared libgcc for SymbianOS.
16367 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16369 2006-01-18 DJ Delorie <dj@redhat.com>
16371 * c-pragma.c (handle_pragma_diagnostic): New.
16372 (init_pragma): Register it.
16373 * doc/extend.texi: Document it.
16375 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16376 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16377 (diagnostic_context): Add classify_diagnostic[].
16378 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16379 as errors if they're overridden to DK_WARNING.
16380 (diagnostic_initialize): Initialize classify_diagnostic[].
16381 (diagnostic_set_kind_override): New.
16382 (diagnostic_report_diagnostic): Check for kind changes.
16383 * opts.c (common_handle_option): Take lang_mask. Update callers.
16384 Handle OPT_Werror_.
16385 * common.opt (Werror=): New.
16386 * doc/invoke.texi: Document -Werror=*
16388 2006-01-18 Jeff Law <law@redhat.com>
16390 * tree-vrp.c (test_for_singularity): Correct test for new
16391 min limit. Use operand_equal_p rather than pointer equality
16392 for testing if new min/max values are equal.
16394 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16395 using range information until after propagation and folding.
16397 2006-01-18 Richard Henderson <rth@redhat.com>
16398 Aldy Hernandez <aldyh@redhat.com>
16399 Jakub Jelinek <jakub@redhat.com>
16400 Diego Novillo <dnovillo@redhat.com>
16402 * omp-low.c: New file.
16403 * c-omp.c: New file.
16405 2006-01-18 Richard Henderson <rth@redhat.com>
16406 Jakub Jelinek <jakub@redhat.com>
16407 Diego Novillo <dnovillo@redhat.com>
16409 * doc/invoke.texi: Document -fopenmp.
16410 * tree-dump.h (debug_function): Declare.
16411 * hooks.c (hook_bool_tree_bool_false): New function.
16412 (hook_tree_tree_null): Remove.
16413 (hook_tree_tree_tree_null): New.
16414 * hooks.h: Update to match.
16415 * tree-pretty-print.c (debug_tree_chain): New.
16416 (print_generic_expr): Handle TDF_CHAIN.
16417 (dump_generic_node): Handle BLOCK.
16418 Do not abort with incomplete SWITCH_EXPRs.
16419 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16420 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16421 print space after directive name.
16422 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16423 Handle OMP_MASTER and OMP_ORDERED.
16424 Handle printing of OMP_BODY just in one place, goto
16425 dump_omp_body in the rest of OMP_* nodes that have
16427 Don't handle clause nodes here. Update omp statements to
16428 use dump_omp_clauses.
16429 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16430 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16431 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16432 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16433 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16434 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16435 Adjust output for GOMP_PARALLEL.
16436 (dump_omp_clauses): New.
16437 (print_declaration): Dump DECL_VALUE_EXPR.
16438 (op_symbol_1): Split out of op_symbol.
16439 (dumping_stmts): Remove. Update all users.
16440 * cgraph.c (cgraph_analyze_queue): New.
16441 (cgraph_add_new_function): New.
16442 * cgraph.h (cgraph_analyze_queue): Declare.
16443 (cgraph_add_new_function): Declare.
16444 (cgraph_lower_function): Remove.
16445 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16446 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16447 and TYPE_P nodes in its default clause.
16448 (empty_body_p): New.
16449 (tree_range_check_failed): New.
16450 (build5_stat): New.
16451 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16452 OMP_CLAUSE_REDUCTION_MERGE,
16453 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16454 OMP_CLAUSE_PRIVATE_DEBUG,
16455 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16456 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16457 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16458 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16459 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16460 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16461 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16462 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16463 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16464 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16465 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16466 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16467 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16468 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16469 (TREE_RANGE_CHECK): New.
16470 (empty_body_p): Declare.
16471 (enum omp_clause_default_kind): New.
16472 (build_string_literal): Declare.
16473 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16474 (build5_stat, build5): Declare.
16475 * tree-pass.h (TDF_CHAIN): Define.
16476 * tree-pass.h (PROP_gimple_lomp): Define.
16477 (pass_lower_omp): Declare.
16478 * diagnostic.h (debug_tree_chain): Declare.
16479 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16481 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16482 * builtins.c (build_string_literal): Make extern.
16483 * gcc.c (include_spec_function): New.
16484 (static_spec_functions): Add it.
16485 (main): Move load of libgomp.spec ...
16486 (LINK_COMMAND_SPEC): ... here.
16487 (link_gomp_spec): New.
16488 (static_specs): Include it.
16489 (LINK_COMMAND_SPEC): Add link_gomp.
16490 (GOMP_SELF_SPECS): New.
16491 (driver_self_specs): Include it.
16492 (switch_matches): Don't mark inline.
16493 (main): Load libgomp.spec.
16494 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16495 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16496 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16497 * tree-gimple.h (enum omp_parallel): Declare.
16498 (determine_parallel_type): Declare.
16499 (omp_firstprivatize_variable): Declare.
16500 (omp_reduction_init): Declare.
16501 (diagnose_omp_structured_block_errors): Declare.
16502 (struct walk_stmt_info): Add want_return_expr.
16503 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16504 (find_omp_clause): Declare.
16505 (insert_field_into_struct): Declare.
16506 (struct walk_stmt_info): Move from tree-nested.c
16507 (walk_stmts): Declare.
16508 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16510 * cgraphunit.c (cgraph_lower_function): Make static.
16511 (cgraph_finalize_pending_functions): New.
16512 (cgraph_finalize_function): Call it.
16513 (cgraph_finalize_compilation_unit): Likewise.
16514 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16515 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16516 (BT_FN_UINT_UINT): New.
16517 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16518 DEF_FUNCTION_TYPE_VAR_4): Document.
16519 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16520 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16521 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16522 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16523 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16524 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16525 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16526 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16527 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16528 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16529 into separate files.
16530 (DEF_GOMP_BUILTIN): New.
16531 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16532 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16533 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16534 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16535 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16536 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16537 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16538 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16539 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16540 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16541 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16542 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16543 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16544 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16545 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16546 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16547 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16548 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16549 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16550 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16551 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16552 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16553 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16554 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16555 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16556 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16557 * sync-builtins.def: New file, moved from builtins.def.
16558 * omp-builtins.def: New file, moved from builtins.def.
16559 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16560 * gimple-low.c (lower_function_body): Clear data.
16561 (lower_stmt): Do not handle COMPOUND_EXPR.
16562 Remove call to print_node_brief.
16563 * c-tree.h (c_finish_omp_clauses): New prototype.
16564 (C_DECL_THREADPRIVATE_P): Define.
16565 (lookup_name_no_remap, c_omp_remap_private): Remove
16566 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16567 (check_for_loop_decls): Update decl.
16568 (lookup_name_no_remap, c_omp_remap_private): Declare.
16569 (build_indirect_ref, build_modify_expr, pushdecl,
16570 pushdecl_top_level): Move to c-common.h.
16571 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16572 before the switch, but just in the 2 places that need it.
16573 * c-decl.c (diagnose_mismatched_decls): Do not check for
16574 mismatched thread-local attributes when OLDDECL is marked
16575 threadprivate and NEWDECL has no thread-local attributes.
16576 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16577 (c_gimple_diagnostics_recursively): Rename from
16578 c_warn_unused_result_recursively. Invoke
16579 diagnose_omp_structured_block_errors.
16580 (check_for_loop_decls): Return a singular decl found.
16581 * langhooks.c (lhd_omp_predetermined_sharing): Return
16582 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16583 (lhd_omp_firstprivatize_type_sizes): New.
16584 (lhd_omp_assignment): New.
16585 (lhd_omp_predetermined_sharing): New.
16586 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16587 (struct lang_hooks_for_types): Add
16588 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16589 omp_predetermined_sharing, omp_disregard_value_expr,
16590 omp_private_debug_clause, omp_clause_default_ctor,
16591 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16592 (c_finish_omp_clauses): New.
16593 (c_finish_bc_stmt): Diagnose break within omp for.
16594 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16595 (build_unary_op): Return error_mark after reporting
16597 (build_modify_expr): Likewise.
16598 * gimplify.c: Include optabs.h and pointer-set.h.
16599 (enum gimplify_omp_var_data): Declare.
16600 (struct gimplify_omp_ctx): Declare.
16601 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16603 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16604 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16605 (splay_tree_compare_decl_uid): New.
16606 (new_omp_context): New.
16607 (delete_omp_context): New.
16608 (gimple_add_tmp_var): Call omp_add_variable.
16609 (gimplify_bind_expr): Likewise.
16610 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16611 true, disregard DECL_VALUE_EXPR on the decl if any.
16612 (gimplify_expr_in_ctx): New.
16613 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16614 omp_add_variable, omp_notice_variable, omp_is_private
16615 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16616 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16617 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16618 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16619 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16620 gimplify_omp_atomic): New.
16621 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16622 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16623 OMP_CRITICAL and OMP_ATOMIC.
16624 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16625 * c-pragma.h (enum pragma_kind): Add
16626 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16627 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16628 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16629 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16630 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16631 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16632 PRAGMA_OMP_THREADPRIVATE.
16633 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16634 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16635 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16636 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16637 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16638 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16639 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16640 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16641 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16642 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16643 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16644 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16645 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16647 (struct nesting_info): Add field_map,
16648 suppress_expansion, debug_var_chain.
16649 (create_nesting_tree): Initialize them.
16650 (lookup_field_for_decl): Use field_map.
16651 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16652 (convert_local_omp_clauses): New.
16653 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16654 (walk_body): Split out of walk_function.
16655 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16656 (convert_nonlocal_reference): Handle omp statements.
16657 (convert_local_reference): Likewise.
16658 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16659 (unnest_nesting_tree): New.
16660 (lower_nested_functions): Call it.
16661 (insert_field_into_struct): Make extern.
16662 (struct walk_stmt_info): Move to tree-gimple.h.
16663 (walk_stmts): Make extern.
16664 * omp-builtins.def: New file.
16665 * tree-iterator.c (expr_only): Clarify comment.
16666 * c-common.h (pushdecl_top_level, pushdecl,
16667 build_modify_expr, build_indirect_ref,
16668 c_finish_omp_master, c_finish_omp_critical,
16669 c_finish_omp_ordered, c_finish_omp_barrier,
16670 c_finish_omp_atomic, c_finish_omp_flush,
16671 c_finish_omp_for, c_split_parallel_clauses,
16672 omp_clause_default_kind, c_omp_sharing_predetermined,
16673 c_omp_remap_decl): Declare.
16674 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16675 (OBJS-common): Add omp-low.o.
16676 (c-omp.o, omp-low.o): Add.
16677 (gimplify.o): Add dependency on $(OPTABS_H).
16678 (GTFILES): Add omp-low.c.
16679 (gt-stringpool.h): Add.
16680 * tree-cfg.c (set_bb_for_stmt): Do not update the
16681 block-to-labels map if we are currently expanding to RTL.
16682 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16684 Handle IDENTIFIER_NODE.
16685 (tree_verify_flow_info): Do not ICE when emitting error
16686 messages about invalid labels.
16687 (dump_function_to_file): Reset CFUN before emitting the body
16689 (debug_function): New.
16690 * passes.c (init_optimization_passes): Schedule
16692 * langhooks-def.h (lhd_omp_predetermined_sharing,
16693 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16695 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16696 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16697 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16698 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16699 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16700 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16701 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16702 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16703 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16704 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16705 (LANG_HOOK_DECLS): Use them.
16707 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16708 Richard Henderson <rth@redhat.com>
16709 Jakub Jelinek <jakub@redhat.com>
16710 Diego Novillo <dnovillo@redhat.com>
16712 * c-parser.c (pragma_omp_clause): Define.
16713 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16714 (c_parser_compound_statement): Likewise.
16715 (c_parser_statement): Likewise.
16716 (c_parser_pragma): Handle omp pragmas.
16717 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16718 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16719 (c_parser_omp_clause_name, check_no_duplicate_clause,
16720 c_parser_omp_variable_list,
16721 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16722 c_parser_omp_clause_copyprivate,
16723 c_parser_omp_clause_default,
16724 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16725 c_parser_omp_clause_lastprivate,
16726 c_parser_omp_clause_nowait,
16727 c_parser_omp_clause_num_threads,
16728 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16729 c_parser_omp_clause_reduction,
16730 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16731 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16732 c_parser_omp_atomic, c_parser_omp_barrier,
16733 c_parser_omp_critical, c_parser_omp_flush,
16734 c_parser_omp_for_loop, c_parser_omp_for,
16735 c_parser_omp_master, c_parser_omp_ordered,
16736 c_parser_omp_sections_scope, c_parser_omp_sections,
16737 c_parser_omp_parallel, c_parser_omp_single,
16738 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16739 * c-pragma.c (init_pragma): Do omp pragma registration here.
16740 * c.opt (fopenmp): New flag.
16742 2006-01-18 Eric Christopher <echristo@apple.com>
16744 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16745 * config/darwin.h (GOMP_SELF_SPECS): Define.
16747 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16749 * rtl.h: Remove the prototype for reg_alloc.
16751 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16754 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16755 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16756 sjlj and dwarf2 exception handling.
16757 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16758 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16759 * pa/pa.c (function_value): Treat complex and vector types as
16761 (function_arg): Likewise. Only pass scalar floats in the floating
16762 point argument registers.
16763 * pa/t-slibgcc-dwarf-ver: New file.
16764 * pa/t-slibgcc-sjlj-ver: New file.
16765 * pa/t-slibgcc-elf-ver: Delete file.
16767 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16769 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16770 unlikely_test_section_p test.
16772 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16774 * mode-switching.c (optimize_mode_switching): Make it static.
16775 * basic-block.h: Remove the prototype for
16776 optimize_mode_switching.
16778 * modulo-sched.c (sms_schedule): Make it static.
16779 * rtl.h: Remove the prototype for sms_schedule.
16781 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16782 * rtl.h: Remove the prototype for gcse_after_reload_main.
16784 * reg-stack.c (reg_to_stack): Make it static.
16785 * rtl.h: Remove the prototype for reg_to_stack.
16787 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16789 * rtl.h: Remove the prototypes for regrename_optimize and
16790 copyprop_hardreg_forward.
16792 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16794 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16795 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16796 Test against the appropriate null constant for the mode.
16797 If 'fixup_overlap' is true, swap the operands if they overlap.
16798 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16799 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16800 alpha_split_tmode_pair and adjust for above change.
16801 * config/alpha/alpha.md (movtf_internal): Adjust call to
16802 alpha_split_tfmode_pair and rely on it to swap the operands.
16803 (movti_internal): New insn and post-reload splitter.
16804 (movti): New expander.
16806 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16808 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16811 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16813 * rtlanal.c (global_reg_mentioned_p_1,
16814 global_reg_mentioned_p): Remove.
16815 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16817 * flow.c (initialize_uninitialized_subregs): Make it static.
16818 * rtl.h: Remove the prototype for
16819 initialize_uninitialized_subregs.
16821 * function.c (instantiate_virtual_regs): Make it static.
16822 * function.h: Remove the prototype for
16823 instantiate_virtual_regs.
16825 * regmove.c (regmove_optimize, combine_stack_adjustments):
16827 * rtl.h: Remove the prototypes for regmove_optimize and
16828 combine_stack_adjustments.
16830 2006-01-17 Roger Sayle <roger@eyesopen.com>
16832 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16833 (size_cost): Encode costs in bytes so that a reg-reg addition is
16834 equivalent to COSTS_N_INSNS(1).
16835 (override_options): Use the size_cost.branch_cost as the default
16836 ix86_branch_cost when optimizing for size.
16838 2006-01-18 Ben Elliston <bje@au.ibm.com>
16840 * Makefile.in (D32PBIT_FUNCS): New.
16841 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16842 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16843 D64PBIT_FUNCS and D128PBIT_FUNCS.
16844 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16845 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16847 (decnumber_dep): Define.
16848 * doc/libgcc.texi (Decimal float library routines): New node.
16849 * config/dfp-bit.h, config/dfp-bit.c: New files.
16851 2006-01-18 Ben Elliston <bje@au.ibm.com>
16853 * expr.c (emit_move_change_mode): Always adjust addresses, not
16854 just during reload. Copy replacements only during reload.
16855 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16856 emit_move_via_integer.
16858 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16860 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16861 instead of $(srcdir) and ${srcdir}.
16863 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16866 PR middle-end/11135
16867 * arm.h (struct machine_function): Add pic_reg.
16868 * arm.c (arm_pic_register): Make unsigned.
16869 (arm_override_options): Only set arm_pic_register if
16870 TARGET_SINGLE_PIC_BASE.
16871 (use_return_insn): Only test for a pic register if it is fixed.
16872 (arm_compute_save_reg0_reg12_mask): Likewise.
16873 (thumb_compute_save_reg_mask): Likewise.
16874 (legitimate_pic_operand): Factor out some known invariants.
16875 (legitimize_pic_address): If we don't have a fixed pic register,
16876 then set up a pseudo in the function entry sequence. Handle the
16877 pic base being in a pseudo.
16878 (arm_load_pic_register): Handle the pic register being in a pseudo.
16879 (arm_expand_prologue): Only set up the pic register if it is fixed.
16880 (thumb_expand_prologue): Likewise.
16881 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16882 (pic_load_addr_based_insn): Likewise.
16883 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16886 2006-01-18 Ben Elliston <bje@au.ibm.com>
16888 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16889 decimal float modes for all floating point registers.
16891 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16892 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16894 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16897 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16898 even when the pointer is not NULL.
16900 2006-01-16 Ian Lance Taylor <ian@airs.com>
16902 * common.opt (ftoplevel-reorder): New option.
16903 * cgraph.c (cgraph_asm_nodes): New global variable.
16904 (cgraph_asm_last_node): New static variable.
16905 (cgraph_order): New global variable.
16906 (cgraph_create_node): Set new order field.
16907 (cgraph_varpool_node): Likewise.
16908 (decide_is_variable_needed): Return true if not
16909 flag_toplevel_reorder.
16910 (cgraph_add_asm_node): New function.
16911 * cgraph.h (struct cgraph_node): Add order field.
16912 (struct cgraph_varpool_node): Add order field.
16913 (struct cgraph_asm_node): Define.
16914 (cgraph_asm_nodes, cgraph_order): Declare.
16915 (cgraph_add_asm_node): Declare.
16916 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16918 (cgraph_varpool_assemble_pending_decls): Call it.
16919 (cgraph_output_pending_asms): New static function.
16920 (cgraph_finalize_compilation_unit): Call it.
16921 (struct cgraph_order_sort): Define.
16922 (cgraph_output_in_order): New static function.
16923 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16924 !flag_toplevel_reorder case.
16925 * c-parser.c: Include "cgraph.h".
16926 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16928 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16929 than -fno-unit-at-a-time.
16930 * doc/invoke.texi (Option Summary): Mention
16931 -fno-toplevel-reorder.
16932 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16933 -funit-at-a-time documentation.
16935 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16936 Kazu Hirata <kazu@codesourcery.com>
16938 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16940 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16942 * Makefile.in (FUNCTION_H): New. Use it instead of
16943 function.h throughout the file.
16944 * function.h: Include tree.h.
16946 2006-01-17 Ben Elliston <bje@au.ibm.com>
16948 * recog.c: Separate some functions with whitespace.
16950 2006-01-16 Richard Henderson <rth@redhat.com>
16952 Merge from gomp branch:
16953 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16954 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16955 and rename from struct inline_data. Rename callee* to dst*;
16956 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16957 transform_new_cfg, transform_return_to_modify, and
16958 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16960 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16961 (copy_decl_for_dup): Remove.
16962 * tree-inline.c (struct inline_data): Move to header.
16963 (insert_decl_map): Export.
16964 (remap_decl): Update for member name changes. Use copy_decl hook.
16965 Allow for replacement to be a non-decl. Remove dead code.
16966 (remap_type_1): Check for existing mapping.
16967 (remap_type): Export.
16968 (remap_decls): Update for member name changes.
16969 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16970 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16971 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16972 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16973 (tree_function_versioning, build_duplicate_type): Likewise.
16974 (copy_body_r): Likewise. Export.
16975 (copy_decl_for_dup): Split into ...
16976 (copy_decl_for_dup_finish, copy_decl_to_var,
16977 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16978 (replace_ref_tree, inlining_p): Remove.
16980 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16982 * ifcvt.c (if_convert): Make it static.
16983 * rtl.h: Remove the prototype for if_convert.
16985 * local-alloc.c (local_alloc): Make it static.
16986 * rtl.h: Remove the prototype for local_alloc.
16988 * loop.c (loop_optimize): Make it static.
16989 * cfgloop.h: Remove the prototype for loop_optimize.
16992 2006-01-16 DJ Delorie <dj@redhat.com>
16994 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16997 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16999 * pa.md: Disparage copies between general and floating-point registers
17000 in 32-bit move patterns.
17002 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17005 * Makefile.in (check-%): Depend on site.exp instead of
17006 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17009 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17011 * global.c (global_alloc): Make it static.
17012 * rtl.h: Remove the prototype for global_alloc.
17014 2006-01-16 Richard Guenther <rguenther@suse.de>
17016 * tree-ssa-alias.c (struct used_part): Add write_only field.
17017 (get_or_create_used_part_for): Initialize it to true.
17018 (create_overlap_variables_for): Don't create structure variables
17019 for structures that only are written to.
17020 (find_used_portions): Handle MODIFY_EXPR to track whether a
17021 structure is only written to.
17023 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17025 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17027 * basic-block.h: Remove the prototype for
17028 partition_hot_cold_basic_blocks.
17030 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17032 * cppspec.c (lang_specific_spec_functions): Remove.
17033 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17034 * gcc.h (lang_specific_spec_functions): Remove.
17035 * gccspec.c (lang_specific_spec_functions): Remove.
17037 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17039 * combine.c (record_value_for_reg): Invalidate registers
17041 (record_dead_and_set_regs_1): Likewise, by passing them to
17042 record_value_for_reg.
17043 (record_dead_and_set_regs): Invalidate stores made by a
17044 call. We do not combine across a call, but we still
17045 relied on equivalences.
17047 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17049 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17050 vrp_int_const_binop returning non-constant nodes.
17052 2006-01-16 Paul Brook <paul@codesourcery.com>
17054 * config/m68k/m68k.c (output_move_const_into_data_reg):
17055 Output correct mnemonic for mvz and mvs.
17057 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17059 * rtl-factoring.c: Add sequence abstraction algorithm.
17060 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17061 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17063 (block_has_preserve_label): New function.
17064 * common.opt: Register new pass.
17065 * Makefile.in: Ditto.
17067 * timevar.def: Ditto.
17068 * tree-pass.h: Ditto.
17069 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17070 * rtl.h (make_jump_insn_raw): Add forward decl.
17071 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17073 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17074 Roger Sayle <roger@eyesopen.com>
17076 * fold-const.c (fold_minmax): New static function.
17077 (fold_binary) <MIN_EXPR>: Call it.
17078 <MAX_EXPR>: Likewise.
17079 * stor-layout.c (place_field): Use DECL_SIZE consistently
17080 in the computation of the new record size.
17082 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17084 * cse.c (cse_condition_code_reg): Make it static.
17085 * rtl.h: Remove the prototype for cse_condition_code_reg.
17087 * combine.c (combine_instructions): Make it static.
17088 * rtl.h: Remove the prototype for combine_instructions.
17090 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17093 * tree.c (get_file_function_name_long): Concatenate the first global
17094 object name with a string derived from the input filename of the object
17097 2006-01-16 Ben Elliston <bje@au.ibm.com>
17099 * config/i386/winnt-stubs.c: Update FSF address.
17100 * config/xtensa/ieee754-df.S: Ditto.
17101 * config/xtensa/ieee754-sf.S: Ditto.
17103 2006-01-14 Ian Lance Taylor <ian@airs.com>
17105 * ifcvt.c (noce_init_if_info): New static function, broken out of
17106 noce_process_if_block.
17107 (noce_process_if_block): Call noce_init_if_info.
17108 (check_cond_move_block): New static function.
17109 (cond_move_process_if_block): New static function.
17110 (process_if_block): Call cond_move_process_if_block.
17112 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17114 * cselib.c (hash_table): Rename to cselib_hash_table.
17115 (cselib_clear_table, discard_useless_values,
17116 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17117 cselib_init, cselib_finish): Adjust uses of hash_table.
17119 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17121 PR tree-optimization/25485
17122 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17123 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17124 is known to be false and true, respectively.
17126 2006-01-14 Richard Guenther <rguenther@suse.de>
17128 PR tree-optimization/22548
17129 PR tree-optimization/22555
17130 PR tree-optimization/22501
17131 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17132 * params.def (salias-max-array-elements): New parameter.
17133 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17134 * doc/invoke.texi (salias-max-array-elements): Document.
17135 * tree-flow-inline.h (var_can_have_subvars): We also handle
17137 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17139 * tree-ssa-structalias.c (params.h): Include.
17140 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17141 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17142 (get_constraint_for): For ADDR_EXPR operating on something
17143 containing an ARRAY_REF, add all subvars to the solution.
17144 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17145 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17146 for creating MUST_DEFs.
17147 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17149 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17151 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17153 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17154 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17155 number_of_iterations_le): New functions.
17156 (number_of_iterations_special): Removed.
17157 (number_of_iterations_exit): Do not use number_of_iterations_special.
17158 * tree.c (unsigned_type_for): Always return integer type.
17160 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17161 Richard Guenther <rguenther@suse.de>
17163 PR rtl-optimization/24257
17164 * gcse.c (find_moveable_store): Only consider a store movable
17165 when the SET_SRC of the insn can be assigned to a register.
17167 2006-01-14 Ian Lance Taylor <ian@airs.com>
17169 * tree.c (tree_not_class_check_failed): New function.
17170 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17171 (tree_not_class_check_failed): Declare.
17173 2006-01-13 Ian Lance Taylor <ian@airs.com>
17175 * reload1.c (do_output_reload): Add assertion rejecting a
17178 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17180 * combine.c (struct reg_stat): Add new fields truncation_label and
17182 (record_value_for_reg): Reset truncated_to_mode.
17183 (record_truncated_value): New function.
17184 (check_promoted_subreg): Call it. Rename to check_conversions.
17185 (combine_instructions): Rename check_promoted_subreg to
17187 (reg_truncated_to_mode): New function.
17188 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17189 (gen_lowpart_or_truncate): New function.
17190 (force_to_mode): Use it instead of gen_lowpart.
17192 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17194 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17195 VAR is a tag, not its type tag.
17197 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17199 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17200 alternatives to match style of other entries.
17201 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17203 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17205 PR tree-optimization/25771
17206 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17209 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17212 * tree-inline.c (declare_return_variable): If the return variable
17213 was marked as a non gimple complex, set the return slot variable
17214 to be a non gimple comple variable.
17216 2006-01-13 Richard Guenther <rguenther@suse.de>
17218 * builtins.c (expand_builtin_sincos): New function.
17219 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17221 (expand_builtin): Expand sincos using expand_builtin_sincos.
17223 2006-01-12 DJ Delorie <dj@redhat.com>
17225 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17226 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17227 so that constant shifts can be split.
17228 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17229 (m32c_valid_pointer_mode): Make static.
17230 (shift_gen_func_for): New.
17231 (m32c_prepare_shift): Use it. Split large const shifts into
17233 * config/m32c/predicates.md (shiftcount_operand): Allow more
17235 (longshiftcount_operand): New.
17236 * doc/md.texi (Machine Constraints): Document In6.
17238 2006-01-13 Ben Elliston <bje@au.ibm.com>
17240 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17241 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17244 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17246 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17247 to try to avoid clobbering pieces of structures when we know
17248 something about the whole structure.
17249 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17251 2006-01-13 Ben Elliston <bje@au.ibm.com>
17253 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17254 return in memory, as this is no limitation is no longer present.
17256 2006-01-12 DJ Delorie <dj@redhat.com>
17258 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17259 mova with fb, and for fb+0 -> An.
17261 * config/m32c/mov.md (peephole2): Fix enabling logic.
17263 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17264 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17265 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17266 FINI_ARRAY_SECTION_ASM_OP): Define.
17268 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17270 (m32c_legitimize_reload_address): New logic to reload FB to An.
17271 (m32c_output_reg_push): Add newline.
17272 (m32c_output_reg_pop): Likewise.
17274 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17276 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17278 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17280 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17282 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17284 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17287 2006-01-11 Ben Elliston <bje@au.ibm.com>
17289 * rtlanal.c (find_reg_note): Assert insn is not null.
17291 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17293 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17296 2006-01-11 Jeff Law <law@redhat.com>
17298 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17300 (mark_threaded_blocks, register_jump_thread): New functions.
17301 (thread_through_all_blocks): Remove unwanted argument. No
17302 longer rely on e->aux to communicate thread target info.
17303 Call mark_threaded_blocks. Release the threaded_blocks
17304 bitmap and threaded_edges vector when complete.
17305 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17306 (threaded_blocks): Remove.
17307 (tree_ssa_dominator_optimize): Remove initialization and
17308 finalization of threaded_blocks. Simplify call to
17309 thread_through_all_blocks.
17310 (thread_across_edge): Call register_jump_thread rather than
17311 storing thread information into e->aux.
17312 (free_all_edge_infos): Simplify now that e->aux is no longer
17313 used to communicate with thread_through_all_blocks.
17314 * tree-flow.h (thread_through_all_blocks): Update prototype.
17315 (register_jump_thread): Prototype.
17317 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17319 * df-core.c (df_compact_blocks, df_bb_replace): Use
17320 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17322 2006-01-11 Richard Guenther <rguenther@suse.de>
17324 PR tree-optimization/25734
17325 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17326 stop propagation after successful propagation to the LHS.
17328 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17330 * basic-block.h (control_flow_graph): Change the type of
17331 x_basic_block_info to VEC(basic_block,gc) *.
17332 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17334 (SET_BASIC_BLOCK): New.
17335 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17336 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17337 * cfgbuild.c (find_basic_blocks): Likewise.
17338 * cfglayout.c (fixup_reorder_chain): Likewise.
17339 * cfgrtl.c (create_basic_block_structure,
17340 rtl_create_basic_block): Likewise.
17341 * ifcvt.c (find_if_case_1): Likewise.
17342 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17345 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17347 * Makefile.in: Removed rotted odf.c entry.
17349 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17352 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17353 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17354 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17355 output pattern modifier, not %e.
17356 * config/cris/cris.c (cris_op_str): Update comment about pattern
17358 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17359 before falling through into...
17360 <case 'E'>: Redefined from old 'e' case.
17362 2006-01-11 Jan Hubicka <jh@suse.cz>
17365 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17367 2006-01-11 Jan Hubicka <jh@suse.cz>
17369 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17370 * i386.c (x86_decompose_lea): Kill.
17371 (ix86_rtx_costs): Kill.
17373 2006-01-11 Jan Hubicka <jh@suse.cz>
17375 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17376 * cgraph.h (cgraph_node): Add inline_decl.
17377 (cgraph_insert_node_to_hashtable): Declare.
17378 (save_inline_function_body): Declare.
17379 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17381 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17382 (cgraph_function_versioning): Update call of tree_function_versioning.
17383 (save_inline_function_body): New function.
17384 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17385 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17386 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17387 (cgraph_default_inline_p): Likewise.
17388 (cgraph_decide_inlining_incrementally): Likewise.
17389 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17390 (copy_bb): Kill saving; do updating of clones.
17391 (copy_cfg_body): Kill saving.
17392 (initialize_inlined-parameters): Likewise.
17393 (expand_call_inline): Likewise.
17395 (tree_function_versioning): New parameter "update_clones".
17396 (inlining_p): Kill saving.
17397 * tree-inline.h (tree_function_versioning): Update prototype.
17398 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17401 2006-01-11 Ian Lance Taylor <ian@airs.com>
17403 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17404 Allow undoing set of machine mode.
17405 (do_SUBST): Use enums instead of is_int.
17406 (do_SUBST_MODE): New function.
17407 (SUBST_MODE): New macro.
17408 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17409 reg and trying to replace reg_regno_rtx with a new register.
17410 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17411 (simplify_set): Use SUBST_MODE.
17412 (distribute_notes): Remove code that tried to update reg notes
17413 for regno_reg_rtx changes.
17415 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17417 PR tree-optimization/23109
17418 PR tree-optimization/23948
17419 PR tree-optimization/24123
17421 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17422 * tree-cfg.c (single_noncomplex_succ): New.
17423 * tree-flow.h (single_noncomplex_succ): Declare it.
17424 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17425 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17426 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17427 insert_bb, register_division_in, insert_reciprocals,
17428 replace_reciprocal, free_bb): New.
17429 (execute_cse_reciprocals_1): Rewritten.
17430 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17431 Do not commit any edge insertion. Always compute dominators and
17432 create the allocation pool.
17433 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17434 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17435 * targhooks.c (default_min_divistions_for_recip_mul): New.
17436 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17437 * passes.c (init_optimization_passes): Run recip after tree loop
17439 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17441 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17442 Kenneth Zadeck <zadeck@naturalbridge.com>
17444 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17445 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17446 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17447 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17448 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17449 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17450 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17451 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17452 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17453 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17454 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17455 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17456 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17457 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17458 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17459 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17460 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17461 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17462 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17463 DF_SCAN_POST_ALLOC): New macros.
17464 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17465 df_free_bb_function, df_local_compute_function, df_init_function,
17466 df_dataflow_function, df_confluence_function_0,
17467 df_confluence_function_n, df_transfer_function,
17468 df_finalizer_function, df_free_function, df_dump_problem_function,
17469 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17470 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17471 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17472 df_urec_bb_info, ) New types.
17473 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17475 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17476 df_analyze_simple_change_some_blocks,
17477 df_analyze_simple_change_one_block, df_compact_blocks,
17478 df_bb_replace, df_bb_regno_last_use_find,
17479 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17480 df_insn_regno_def_p, df_find_def, df_find_use,
17481 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17482 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17483 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17484 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17485 debug_df_chain, df_get_dependent_problem, df_chain_create,
17486 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17487 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17488 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17489 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17490 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17491 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17492 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17493 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17494 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17495 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17496 df_reorganize_refs, df_set_state, df_hard_reg_init,
17497 df_read_modify_subreg_p) New public functions.
17498 * df-core.c: The core dataflow solver and glue routines for rtl
17500 (df_init, df_add_problem, df_set_blocks, df_finish,
17501 df_hybrid_search_forward, df_hybrid_search_backward,
17502 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17503 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17504 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17505 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17506 df_reg_defined, df_find_use, df_reg_used, df_dump,
17507 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17508 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17509 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17510 debug_df_useno, reset_df_after_reload): New functions.
17511 * df-scan.c: The scanning fuctions, once in df.c, completely
17512 rewritten so that they now fully model the functionality of
17513 register usage at the backend.
17514 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17515 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17516 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17517 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17518 df_get_artificial_defs, df_get_artificial_uses,
17519 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17520 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17521 df_refs_delete, df_reorganize_refs, df_set_state,
17522 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17523 df_def_record_1, df_defs_record, df_uses_record,
17524 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17525 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17526 df_record_exit_block_uses, df_hard_reg_init): New functions.
17528 * df-problems.c: Seven concrete dataflow problems that use the
17529 scanning in df-scan.c and are solved by the engine in df-core.c.
17530 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17531 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17532 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17533 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17534 df_ru_free_bb_info, df_ru_alloc,
17535 df_ru_bb_local_compute_process_def,
17536 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17537 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17538 df_ru_transfer_function, df_ru_free, df_ru_dump,
17539 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17540 df_rd_free_bb_info, df_rd_alloc,
17541 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17542 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17543 df_rd_transfer_function, df_rd_free, df_rd_dump,
17544 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17545 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17546 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17547 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17548 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17549 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17550 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17551 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17552 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17553 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17554 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17555 df_urec_mark_reg_use_for_earlyclobber,
17556 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17557 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17558 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17559 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17560 df_chain_create_bb_process_use, df_chain_create_bb,
17561 df_chain_finalize, df_chain_free, df_chains_dump,
17562 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17563 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17564 df_reg_lifetime): New functions.
17565 * df.c: Deleted file.
17566 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17567 consistent with new df api.
17568 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17569 rest_of_handle_sms): Ditto.
17570 * web.c (unionfind_union, union_defs, entry_register, web_main):
17572 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17573 invariant_expr_equal_p, find_defs, check_dependencies,
17574 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17575 free_inv_motion_data, move_loop_invariants): Ditto.
17576 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17577 Update dependencies.
17578 (odf.c): Added defective entry that was deleted later in day.
17579 * sched-deps.c (sched_analyze_1): Ditto.
17581 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17583 * tree-ssa-operands.c (get_expr_operands): Record addressable
17584 variables directly. Do not call add_stmt_operands for CONST_DECLs
17586 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17587 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17589 2006-01-11 Ben Elliston <bje@au.ibm.com>
17591 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17592 function returns true in the positive case.
17594 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17597 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17598 for SI, DI, SF and DF modes. Add alternatives to copy between
17599 general and floating point registers to the 32-bit patterns.
17600 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17601 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17602 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17603 generating 64-bit code.
17604 * config/pa/pa.c (output_move_double): Handle copies between general
17605 and floating registers.
17607 2006-01-10 Stuart Hastings <stuart@apple.com>
17609 * config/i386/i386.md (set_got): Update.
17610 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17611 (builtin_setjmp_receiver): Mach-O support.
17612 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17613 (GOT_SYMBOL_NAME): Define.
17614 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17615 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17616 * config/i386/i386.c (override_options): Revise for Darwin.
17617 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17618 support. (darwin_x86_file_end): New. (output_set_got): Add label
17619 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17620 * config/i386/i386-protos.h (output_set_got): Likewise.
17621 * config/darwin.c (machopic_legitimize_pic_address): Update
17624 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17626 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17627 when MODE isn't BLKmode.
17629 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17631 PR rtl-optimization/25367
17632 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17634 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17637 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17638 for a negative bound.
17640 2006-01-10 Richard Guenther <rguenther@suse.de>
17642 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17643 Never override with anything constraint.
17645 2006-01-10 Jan Beulich <jbeulich@novell.com>
17647 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17648 256 bits when optimize_size.
17650 2006-01-10 Jan Beulich <jbeulich@novell.com>
17652 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17654 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17655 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17658 2006-01-10 Ben Elliston <bje@au.ibm.com>
17660 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17662 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17663 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17664 (USE_FP_FOR_ARG): Reject decimal float modes.
17665 (function_arg_advance): Likewise.
17666 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17667 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17668 point types in AltiVec vectors.
17669 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17670 (rs6000_libcall_value): Likewise.
17672 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17674 * config/xtensa/ieee754-df.S: New file.
17675 * config/xtensa/ieee754-sf.S: New file.
17676 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17677 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17678 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17680 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17682 * config/sh/predicates.md (binary_float_operator,
17683 binary_logical_operator, commutative_float_operator,
17684 equality_comparison_operator, greater_comparison_operator,
17685 less_comparison_operator, logical_operator,
17686 noncommutative_float_operator, shift_operator,
17687 symbol_ref_operand, unary_float_operator): Remove redundant
17690 2006-01-09 Jeff Law <law@redhat.com>
17692 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17693 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17694 now unused arguments. Callers updated.
17695 (eliminate_redundant_computations): Remove now unused arguments,
17697 (local_fold): Remove, no longer used.
17698 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17700 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17701 (simplify_cond): New function.
17702 (forward_propagate_into_cond): Call simplify_cond.
17704 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17706 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17707 (*vec_extractv2di_1_sse): New.
17709 2006-01-09 Ben Elliston <bje@au.ibm.com>
17711 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17713 2006-01-08 Richard Guenther <rguenther@suse.de>
17715 * tree-ssa-structalias.c (get_constraint_for): Remove
17716 anyoffset argument.
17717 (get_constraint_for_component_ref): Likewise.
17718 (do_deref): Likewise.
17719 (get_constraint_for): Likewise.
17720 (do_structure_copy): Likewise.
17721 (handle_ptr_arith): Likewise.
17722 (find_func_aliases): Likewise. Remove unused need_anyoffset
17725 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17726 Kaz Kojima <kkojima@gcc.gnu.org>
17728 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17729 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17730 (EXTRA_CONSTRAINT_C16): Remove.
17731 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17732 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17733 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17734 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17735 constants of SHmedia. Handle nested constant expressions of
17737 (andcosts): Fix the costs for SHmedia constants.
17738 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17739 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17740 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17741 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17742 (movv4hi_i, movv2si_i): Likewise.
17743 (movsi_const): Adjust the second operand of ior so to match with
17744 the Csu constraint.
17745 (movdi_const, movdi_const_32bit): Likewise.
17746 (movdi_const_16bit+1): Don't sign-extend LOW.
17747 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17749 (*double_shori): Fix the split condition. Use GEN_INT instead
17750 of get_int_mode calls. Mask lower 16-bit of the argument of
17752 (sym2GOTPLT): Remove.
17753 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17755 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17756 instead of EXTRA_CONSTRAINT_C16.
17758 2006-01-07 Ian Lance Taylor <ian@airs.com>
17759 David Edelsohn <edelsohn@gnu.org>
17761 PR rtl-optimization/25662
17762 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17763 for constant operands instead of simplify_gen_binary.
17764 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17765 after trying simplify_binary_operation
17767 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17769 * tree.c (iterative_hash_expr): Hash decls based on UID.
17771 2006-01-06 Eric Christopher <echristo@apple.com>
17773 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17774 (TARGET_UNWIND_EMIT): Fix spelling.
17775 * target.h (gcc_target): Add except_table_label.
17776 * except.c (output_function_exception_table): Use.
17777 * varasm.c (default_emit_except_table_label): New.
17778 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17780 (asm_out): Add here.
17781 * output.h (default_emit_except_table_label): Prototype.
17782 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17783 * config/darwin.c (darwin_emit_except_table_label): Define.
17784 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17786 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17788 PR tree-optimization/18527
17789 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17790 number_of_iterations_special, number_of_iterations_exit):
17791 Move base and step of an iv to a single structure. Add
17792 no_overflow flag, and use it in # of iterations analysis.
17793 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17794 folded_casts argument.
17795 (simple_iv): Pass base and step in a structure. Set no_overflow
17797 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17798 Evaluate expensiveness of computing # of iterations instead of
17799 the final expression.
17800 * tree-scalar-evolution.h (affine_iv): New structure.
17801 (simple_iv): Declaration changed.
17802 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17803 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17804 find_givs_in_stmt): Changed due to simple_iv change.
17806 2006-01-06 Jeff Law <law@redhat.com>
17809 * tree-cfg.c (bsi_replace): Rename final argument from
17810 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17811 change (stmt -> orig_stmt).
17812 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17813 (bsi_remove): Add new argument. Remove EH information
17815 (verify_eh_throw_table_statements): New function.
17816 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17818 * tree-optimize.c (execute_free_cfg_annotations): Verify
17819 the EH throw statement table after removing annotations.
17820 * except.h (verify_eh_throw_table_statements): Prototype.
17821 * tree-flow.h (bsi_remove): Update prototype.
17822 * tree-vrp.c (remove_range_assertions): Add new argument to
17824 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17825 * tree-complex.c (expand_complex_div_wide): Likewise.
17826 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17827 * tree-tailcall.c (eliminate_tailcall): Likewise.
17828 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17829 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17830 * tree-nrv.c (tree_nrv): Likewise.
17831 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17832 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17833 (combine_blocks): Likewise.
17834 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17835 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17836 (cleanup_control_flow): Likewise.
17837 (remove_forwarder_block): Likewise.
17838 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17839 * tree-sra.c (sra_replace): Likewise.
17840 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17841 (forward_propagate_single_use_vars): Likewise.
17842 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17843 * tree-inline.c (expand_call_inline): Likewise.
17844 * tree-vect-transform.c (vect_transform_loop): Likewise.
17845 * tree-outof-ssa.c (rewrite_trees): Likewise.
17846 * tree-cfg.c (make_goto_expr_edges): Likewise.
17847 (cleanup_dead_labels): Likewise.
17848 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17849 (bsi_move_before, bsi_move_after): Likewise.
17850 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17851 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17853 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17856 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17858 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17859 on non gimple variables. Also add checks at the top for decls and
17861 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17863 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17864 and IMAGPART_EXPR for creating MUST_DEFs.
17865 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17866 and NAME_MEMORY_TAG separately from the DECLs.
17868 2006-01-06 Richard Guenther <rguenther@suse.de>
17870 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17871 annotation, if necessary.
17872 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17873 redundant calls to update_stmt.
17874 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17877 2006-01-05 Richard Henderson <rth@redhat.com>
17879 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17881 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17883 * c-typeck.c: Update copyright date.
17885 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17887 * c-typeck.c (build_c_cast): Always warn when casting
17888 from a pointer to an integer of different size, even if
17889 the node was constant.
17891 2006-01-05 Richard Guenther <rguenther@suse.de>
17893 PR tree-optimization/22555
17894 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17895 if one structure field is an array.
17896 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17897 operands even if we found a subvar, but ignore VOPs in this
17899 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17901 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17903 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17905 PR middle-end/24998
17906 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17908 2006-01-05 Richard Guenther <rguenther@suse.de>
17909 Diego Novillo <dnovillo@redhat.com>
17911 * tree-pass.h (TODO_remove_unused_locals): Define.
17912 * gimple-low.c (expand_var_p, remove_useless_vars,
17913 pass_remove_useless_vars): Remove. Update all users.
17914 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17915 (remove_unused_locals): New function.
17916 * tree-flow.h (remove_unused_locals): Declare.
17917 * passes.c (execute_todo): Call remove_unused_locals if
17918 TODO_remove_unused_locals is set.
17919 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17920 * tree-ssa-dce.c (pass_dce): Likewise.
17921 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17923 2006-01-05 Richard Guenther <rguenther@suse.de>
17925 * tree-flow.h (struct fieldoff): Decompose field to
17926 type, size and decl.
17927 * tree-ssa-alias.c (create_sft): Take type as parameter.
17928 (create_overlap_variables_for): Store type, size and decl
17929 in the fieldoff structure.
17930 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17931 of struct fieldoff.
17932 (push_fields_onto_fieldstack): Likewise.
17933 (create_variable_info_for): Likewise. Use offset for the
17934 SFT name if the decl is not available.
17936 2006-01-04 Paul Brook <paul@codesourcery.com>
17938 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17940 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17942 * lambda-code.c (can_put_in_inner_loop): Relax
17944 (can_put_after_inner_loop): New function.
17945 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17946 (perfect_nestify): Change to make copies and modify uses.
17948 2006-01-04 Richard Henderson <rth@redhat.com>
17950 Merge from gomp branch:
17951 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17952 via integer constant.
17953 (pragma_lex): Remove.
17954 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17955 rather than parsing it.
17956 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17957 handle_pragma_extern_prefix): Add %< %> quotes.
17958 (registered_pragmas): New.
17959 (c_register_pragma_1): New.
17960 (c_register_pragma): Use it.
17961 (c_register_pragma_with_expansion): Likewise.
17962 (c_invoke_pragma_handler): New.
17963 (init_pragma): Use cpp_register_deferred_pragma directly for
17965 * c-pragma.h (enum pragma_kind): New.
17966 (pragma_handler): New.
17967 (c_invoke_pragma_handler): Declare.
17968 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17970 * c-common.h (c_common_pch_pragma): Update decl.
17971 * Makefile.in (c-parser.o): Update dependencies.
17972 (GTFILES): Add c-pragma.h.
17973 * c-parser.c (struct c_token): Add pragma_kind.
17974 (struct c_parser): Add in_pragma.
17975 (c_lex_one_token): Always initialize keyword and pragma_kind.
17976 Extract data for CPP_PRAGMA.
17977 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17978 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17979 Don't allow CPP_PRAGMA_EOL if in_pragma.
17980 (c_parser_consume_pragma): New.
17981 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17982 (c_parser_skip_to_end_of_parameter): Likewise.
17983 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17984 (c_parser_skip_to_pragma_eol): New.
17985 (c_parser_external_declaration): Handle CPP_PRAGMA.
17986 (c_parser_compound_statement_nostart): Likewise.
17987 (c_parser_statement_after_labels): Likewise.
17988 (c_parser_pragma): New.
17989 (pragma_lex): Likewise.
17990 (c_parser_pragma_pch_preprocess): New.
17991 (c_parser_new): Merge into ...
17992 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17994 2006-01-04 Jeff Law <law@redhat.com>
17997 * tree-cfg.c (bsi_replace): Remove the original statement
17998 from the EH throw statement table.
18000 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18002 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18003 make the prototype extern "C" and add throw ().
18006 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18007 and pos non-negative and pos + len <= 32.
18008 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18009 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18010 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18013 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18014 as well as sizes not multiple of component size.
18017 * function.c (instantiate_expr): New function.
18018 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18019 walk its DECL_VALUE_EXPR with instantiate_expr.
18021 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18022 DW_OP_deref{,_size} if address isn't going to be added.
18024 2006-01-04 Ben Elliston <bje@au.ibm.com>
18026 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18027 * config/fp-bit.c: Likewise.
18029 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18031 * dominance.c: Add comment about why we use DFS numbering
18034 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18035 Richard Henderson <rth@redhat.com>
18037 Merge from gomp-branch:
18038 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18039 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18041 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18043 PR rtl-optimization/25578
18044 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18045 pass a parameter to simplify_shift_const if changing ASHIFTRT
18048 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18050 * builtins.c (get_builtin_sync_mem): New function.
18051 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18052 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18053 Call get_builtin_sync_mem to generate mem rtx.
18055 2006-01-03 Richard Guenther <rguenther@suse.de>
18058 * stmt.c (add_case_node): Make sure to clear overflow flags
18061 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18063 Merge from gomp-branch.
18064 * config/sparc/sync.md: New file.
18065 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18066 UNSPECV_LDSTUB): New constants.
18067 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18068 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18069 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18072 2006-01-03 Roger Sayle <roger@eyesopen.com>
18074 * combine.c (reg_subword_p): New predicate to test whether the
18075 destination of a set refers to a subword/piece of a register.
18076 (try_combine): Generalize the code to merge the setting of a
18077 pseudo to a constant followed by a set of a subword of that
18078 register to a constant.
18080 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18082 * basic-block.h (control_flow_graph): Change the type of
18083 x_label_to_block_map to VEC(basic_block,gc) *.
18084 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18085 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18087 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18088 VEC(basic_block,heap) *.
18089 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18090 ssa_prop_fini): Adjust the uses of cfg_blocks.
18092 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18094 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18096 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18097 hashing trees instead of a pointer hash.
18098 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18099 compare for MEM_EXPR.
18101 PR rtl-optimization/25130
18102 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18103 when comparing MEMs for GCSE
18105 2006-01-03 Ben Elliston <bje@au.ibm.com>
18107 * targhooks.h (default_decimal_float_supported_p): Declare.
18108 * targhooks.c (default_decimal_float_supported_p): Define.
18109 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18110 `default_decimal_float_supported_p'.
18111 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18113 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18115 * combine.c (apply_distributive_law <SUBREG>): Check
18116 TRULY_NOOP_TRUNCATION.
18118 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18120 * dwarf2out.c (have_switched_text_section): Delete.
18121 (have_multiple_function_sections): New.
18122 (have_location_lists): Make 'bool'.
18123 (add_AT_loc_list): Use 'true' not '1'.
18124 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18125 (output_loc_list): Use have_multiple_function_sections.
18126 (output_ranges): Likewise.
18127 (dwarf2out_begin_function): Set have_multiple_function_sections if
18129 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18130 Check function_section rather than DECL_SECTION_NAME.
18131 (dwarf2out_finish): Use have_multiple_function_sections.
18132 Don't clear have_location_lists.
18134 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18135 Jan Hubicka <jh@suse.cz>
18137 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18138 case of conditional jump jumping to the next instruction.
18139 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18140 cases of conditional jump jumping to the next instruction.
18142 2006-01-02 Jan Hubicka <jh@suse.cz>
18144 * i386.c (*_cost): Add COSTS_N_INSNS.
18145 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18147 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18150 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18152 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18154 * config/arm/arm.c (all_fpus): Fix comment typo.
18155 * config/darwin.c: Likewise.
18156 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18157 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18158 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18160 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18162 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18163 (rs6000_split_compare_and_swapqhi): New.
18164 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18165 (sync_compare_and_swapqhi_internal): New.
18166 * config/rs6000/rs6000-protos.h: Declare.