1 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4 update_single_exit_for_duplicated_loops): New functions.
5 (duplicate_loop_to_header_edge): Use
6 update_single_exit_for_duplicated_loops.
7 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
8 functions only with ENABLE_CHECKING.
10 2006-11-12 Andreas Schwab <schwab@suse.de>
12 * except.c (sjlj_emit_function_enter): Remove unused variable.
14 2006-11-11 Roger Sayle <roger@eyesopen.com>
16 * fold-const.c (int_binop_types_match_p): New function.
17 (size_binop): Relax constraint that both arguments must both have
18 exactly the same sizetype type. Instead use int_binop_types_match_p.
19 (size_diffop): Likewise.
21 (make_range): Use build_int_cst instead of fold_convert.
22 (fold_cond_expr_with_comparison): Use build_int_cst to construct
23 integer constants of the correct type.
24 (fold_div_compare): Likewise.
25 (fold_single_bit_test): Likewise.
26 (fold_binary): Likewise.
27 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
28 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
30 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
33 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
34 non null value if the struct memory access is in the 0th
37 2006-11-12 Jie Zhang <jie.zhang@analog.com>
40 2006-11-11 Jie Zhang <jie.zhang@analog.com>
41 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
44 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
45 instead of builtin_define for bfin and BFIN.
47 2006-11-11 Jie Zhang <jie.zhang@analog.com>
49 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
52 2006-11-11 Jan Hubicka <jh@suse.cz>
54 * extended.texi (__builtin_expect): We no longer require second argument
56 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
57 * builtins.c (expand_builtin_expect): Simplify.
58 (expand_builtin_expect_jump): Kill.
59 * final.c (final_scan_insn): Do not skip the removed notes.
60 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
61 EXPECTED_VALUE): Remove.
62 * dojump.c (do_jump): Do not care about __builtin_expect.
63 * predict.c (expected_value_to_br_prob): Kill.
64 * function.c (expand_function_end): Do not expand
65 NOTE_INSN_REPEATED_LINE_NUMBER.
66 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
67 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
68 * cfgexpand.c (add_reg_br_prob_note): Export.
69 * cfgcleanup.c (rest_of_handle_jump2): Do not call
70 expected_value_to_br_prob.
71 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
72 * rtl.h (add_reg_br_prob_note): Declare.
74 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
76 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
78 2006-11-11 Jan Hubicka <jh@suse.cz>
80 * predict.c (predict_loops): Kill RTL variant.
82 2006-11-11 Jan Hubicka <jh@suse.cz>
84 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
85 * modulo-sched.c (find_line_note): Remove.
86 (loop_canon_p): Do not worry about line number notes.
87 (sms_schedule): Likewise.
88 * cse.c (cse_main): Likewise.
89 * regmove.c (fixup_match_1): Likewise
90 * function.c (emit_return_info_block): Likewise.
91 (expand_function_end): Likewise.
92 (thread_prologue_an_epilogue_insns): Likewise.
93 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
95 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
96 emit_note_copy_after): Kill.
97 (emit_note_copy): Do not worry about line numbers.
98 * jump.c (purge_line_number_notes): Kill.
99 (pass_purge_lineno_notes): Kill.
100 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
102 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
103 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
104 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
105 * tree-pass.h (pass_purge_lineno_notes): Kill.
106 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
107 rm_redundant_line_notes.
108 * sched-rgb.c (schedule_region): Don't rm_line_notes,
109 rm_redundant_line_notes.
110 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
111 * haifa-sched.c: Update comment about handling notes.
112 (unlink_line_notes): Kill.
113 (rm_line_notes): Kill.
114 (save_line_notes): Simplify.
115 (rm_redundant_line_notes): Kill.
117 2006-11-11 Richard Guenther <rguenther@suse.de>
119 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
120 Remove unused tree codes.
121 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
122 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
123 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
124 * tree.c (stabilize_reference): Likewise.
125 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
126 fold_unary): Likewise.
127 * tree-gimple.c (is_gimple_cast): Likewise.
128 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
129 * expr.c (expand_expr_real_1): Likewise.
130 * tree-eh.c (tree_could_trap_p): Likewise.
131 * gimplify.c (gimplify_expr): Likewise.
132 * tree-inline.c (estimate_num_insns_1): Likewise.
133 * tree-cfg.c (verify_expr): Likewise.
135 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
137 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
138 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
139 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
141 2006-11-11 Richard Sandiford <richard@codesourcery.com>
144 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
145 constraints accept neither registers or memories.
147 2006-11-11 Jie Zhang <jie.zhang@analog.com>
149 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
150 (NO_PROFILE_COUNTERS): Define as 1.
152 2006-11-10 Roger Sayle <roger@eyesopen.com>
154 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
155 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
157 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
159 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
161 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
163 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
164 (fold_builtin_hypot): Likewise.
165 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
167 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
169 2006-11-10 Roger Sayle <roger@eyesopen.com>
171 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
172 when attempting to build INTEGER_CSTs of non-integral types.
173 * expmed.c (make_tree): Use the correct type, i.e. the inner
174 type, when constructing the individual elements of a CONST_VECTOR.
176 2006-11-10 Jan Hubicka <jh@suse.cz>
178 * cse.c (cse_process_notes): Copy the propagated value.
179 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
181 * gcse.c (try_replace_reg): Copy the replacement.
182 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
183 (assign_386_stack_local): Always return copied memory expression
184 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
187 2006-11-10 Jan Hubicka <jh@suse.cz>
189 * final.c (final): Walk from first instruction.
190 * cfglayout.c (insn_locators_initialize): Remove line number notes.
192 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
195 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
197 (umulv8hi3_highpart): Ditto.
198 (vec_widen_smult_hi_v8hi): New expander.
199 (vec_widen_smult_lo_v8hi): Ditto.
201 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * builtins.c (do_mpfr_arg3): New.
204 (fold_builtin_1): Handle builtins fma, fmin and fmax.
206 2006-11-09 Eric Christopher <echristo@apple.com>
211 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
212 * config.gcc (powerpc64-*-darwin*): New target.
213 * config.host: Ditto.
214 * config/rs6000/darwin64.h: New file.
215 * config/rs6000/x-darwin64: Ditto.
216 * config/rs6000/host-ppc64-darwin.c: Ditto.
218 2006-11-09 Steve Ellcey <sje@cup.hp.com>
220 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
221 routines for integer division.
223 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
225 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
227 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
230 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
232 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
234 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
235 simplify_subreg with BLKmode outer mode.
237 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
239 * doc/invoke.texi: Minor formatting fixes in option lists.
241 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
243 PR tree-optimization/29738
244 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
245 (ccp_lattice_t): Remove UNKNOWN_VAL.
246 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
247 Do not handle UNKNOWN_VAL.
248 (get_default_value): Set initial value of virtual operands to
250 (get_value): Always use get_default_value on uninitialized
252 (set_value_varying, surely_varying_stmt_p): New functions.
253 (set_lattice_value): Do not pass argument to get_value.
254 Do not handle UNKNOWN_VAL.
255 (likely_value): Follow the semantics described in the comment.
256 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
257 phi nodes DONT_SIMULATE_AGAIN.
258 (ccp_fold): Do not pass argument to get_value.
259 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
262 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
264 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
265 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
267 2006-11-08 Roger Sayle <roger@eyesopen.com>
269 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
270 test for inclusion rather than as a test for exclusion.
271 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
272 the condition after calling fold_binary.
273 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
274 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
275 * builtins.c (fold_builtin_isascii): Likewise.
276 (fold_builtin_isdigit): Likewise.
278 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
280 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
281 * configure: Regenerate.
283 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
285 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
286 enum argument instead of bool.
287 (vect_analyze_operations): Call vectorizable_type_promotion.
288 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
289 stmt_vec_info_type value.
290 (supportable_widening_operation, vectorizable_type_promotion): New
291 function declarations.
292 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
293 (vectorizable_type_promotion): New function.
294 (vect_transform_stmt): Call vectorizable_type_promotion.
295 * tree-vect-analyze.c (supportable_widening_operation): New function.
296 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
298 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
301 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
302 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
303 * tree-inline.c (estimate_num_insns_1): Add cases for above new
305 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
306 * expr.c (expand_expr_real_1): Likewise.
307 * optabs.c (optab_for_tree_code): Likewise.
308 (init_optabs): Initialize new optabs.
309 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
310 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
311 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
312 vec_unpacku_lo_optab): Initialize new optabs.
313 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
314 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
315 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
317 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
318 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
319 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
320 (vec_unpacku_lo_optab): New optabs.
321 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
322 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
323 (vec_widen_smult_hi, vec_widen_smult_lo): New.
324 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
325 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
326 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
328 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
329 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
330 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
331 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
332 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
333 implement the unsigned unpacking patterns.
334 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
335 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
336 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
337 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
338 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
339 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
340 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
341 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
342 multiplication patterns.
344 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
345 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
346 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
347 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
348 (rs6000_builtin_mul_widen_odd): New.
349 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
350 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
351 * tree-vectorizer.h (enum vect_relevant): New enum type.
352 (_stmt_vec_info): Field relevant chaned from bool to enum
354 (STMT_VINFO_RELEVANT_P): Updated.
355 (STMT_VINFO_RELEVANT): New.
356 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
357 instead of STMT_VINFO_RELEVANT_P.
358 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
359 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
360 and boolean variable with enum vect_relevant.
361 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
362 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
363 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
365 2006-11-08 Richard Henderson <rth@redhat.com>
367 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
368 vec_widen_umult_lo_v8hi): New.
369 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
370 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
372 * config/i386/i386.c (ix86_expand_sse_unpack): New.
373 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
374 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
375 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
376 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
377 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
378 vec_unpacks_lo_v4si): New.
380 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
382 * tree-vect-transform.c (vectorizable_type_demotion): New function.
383 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
384 (vect_analyze_operations): Call vectorizable_type_demotion.
385 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
386 stmt_vec_info_type value.
387 (vectorizable_type_demotion): New function declaration.
388 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
391 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
392 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
394 * tree-iniline.c (estimate_num_insns_1): Likewise.
395 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
396 * optabs.c (optab_for_tree_code): Likewise.
398 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
399 compared against the predicate of the result is not 'mode' (the input
400 to the function) but a mode with half the size of 'mode'.
401 (init_optab): Initialize new optabs.
402 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
404 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
406 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
407 (vec_pack_usat_optab): Initialize new optabs.
408 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
409 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
411 2006-11-08 Richard Henderson <rth@redehat.com>
413 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
414 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
415 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
416 (vec_interleave_highv4si, vec_interleave_lowv4si):
417 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
419 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
421 * tree-vect-transform.c (vectorizable_reduction): Support multiple
423 (vect_transform_stmt): Removed redundant code.
425 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
427 * tree-vect-transform.c (vectorizable_operation): Support multiple
430 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
432 * tree-vect-transform.c (vect_align_data_ref): Removed.
433 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
434 Updated function documentation. Return the increment stmt in ptr_incr.
435 (bump_vector_ptr): New function.
436 (vect_get_vec_def_for_stmt_copy): New function.
437 (vect_finish_stmt_generation): Create a stmt_info to newly created
439 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
441 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
442 VF is greater than the number of elements that can fit in one vector
444 (vectorizable_operation, vectorizable_condition): Likewise.
445 (vectorizable_store, vectorizable_load): Support the case that the VF
446 is greater than the number of elements that can fit in one vector word.
447 (vect_transform_loop): Don't fail in case of multiple data-types.
448 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
449 in case of multiple data-types; the smallest type determines the VF.
450 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
451 if they are of different sizes.
452 (vect_update_misalignment_for_peel): Compare misalignments in terms of
453 number of elements rather than number of bytes.
454 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
455 (vect_can_advance_ivs_p): Fix a dump printout
457 2006-11-07 Eric Christopher <echristo@apple.com>
459 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
461 * libgcc2.h: Remove transformation of bswap routines.
462 * config/i386/i386.md (bswapsi2): New.
465 2006-11-07 Jakub Jelinek <jakub@redhat.com>
467 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
468 (handle_gnu_inline_attribute): New function.
469 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
470 (merge_decls, start_decl, start_function): Likewise.
471 * doc/extend.texi: Document gnu_inline attribute.
473 2006-11-07 Steve Ellcey <sje@cup.hp.com>
476 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
477 _fixunstfdi, and _floatditf
479 2006-11-06 Anatoly Sokolov <aesok@post.ru>
481 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
483 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
484 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
485 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
486 which start in an odd register.
488 2006-11-07 Richard Sandiford <richard@codesourcery.com>
490 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
492 2006-11-07 Josh Conner <jconner@apple.com>
494 * doc/invoke.texi (fstrict-aliasing): Move implementation
496 * doc/tree-ssa.texi (Alias analysis): ...here.
498 2006-11-07 Richard Guenther <rguenther@suse.de>
500 PR tree-optimization/29610
501 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
502 of tree_purge_dead_eh_edges as it may free dominators.
504 * g++.dg/other/pr29610.C: New testcase.
506 2006-11-07 David Ung <davidu@mips.com>
508 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
509 costs when optimizing for size.
510 (override_options): Use mips_rtx_cost_optimize_size table for cost
513 2006-11-07 Jie Zhang <jie.zhang@analog.com>
515 * gcc.c (process_command): Treat -b as normal switch if its argument
518 2006-11-07 David Ung <davidu@mips.com>
520 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
523 2006-11-06 Eric Christopher <echristo@apple.com>
525 * config.gcc: Add x86_64-darwin host support.
526 * config.host: Ditto.
527 * config/i386/darwin64.h: New file.
528 * config/i386/t-darwin64: Ditto.
530 2006-11-06 Janis Johnson <janis187@us.ibm.com>
532 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
533 and output-exists-not.
535 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
538 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
539 checking for overflow.
541 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
543 * configure.ac: Fixed typo in case statement: :: changed to ;;
545 2006-11-06 Bob Wilson <bob.wilson@acm.org>
547 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
548 count_leading_zeros, and count_trailing_zeros.
549 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
550 (TARGET_FOLD_BUILTIN): Define.
551 (TARGET_EXPAND_BUILTIN): Define.
552 (xtensa_init_builtins): New.
553 (xtensa_fold_builtin): New.
554 (xtensa_expand_builtin): New.
555 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
556 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
557 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
558 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
559 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
560 (any_extend): New code macro.
561 (u, su): New code attributes.
562 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
563 (nsau): Remove; replaced by clzsi2.
564 (ffssi2): Use clzsi2.
565 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
566 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
567 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
568 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
569 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
571 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
573 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
575 * config/arm/t-strongarm-elf: Likewise.
576 * config/arm/t-pe: Likewise.
577 * config/arm/t-arm-elf: Likewise.
578 * config/arm/t-xscale-elf: Likewise.
579 * config/arm/t-arm-coff: Likewise.
580 * config/arm/t-xscale-coff: Likewise.
581 * config/arm/t-wince-pe: Likewise.
583 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
585 * config/sh/lib1funcs-4-300.asm: Guard entire file with
588 2006-11-05 Jakub Jelinek <jakub@redhat.com>
591 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
594 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
597 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
598 as a valid 80387 constant.
599 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
600 * config/i386/i386.md (unnamed splitter): Split the load of
601 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
604 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
606 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
607 from the soft-frame, argument and virtual registers.
609 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
611 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
612 patterns for standard 80387 constants.
614 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
615 Steven Bosscher <steven@gcc.gnu.org>
617 * fwprop.c: New file.
618 * Makefile.in: Add fwprop.o.
619 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
620 * passes.c (init_optimization_passes): Schedule forward propagation.
621 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
623 * timevar.def (TV_FWPROP): New.
624 * common.opt (-fforward-propagate): New.
625 * opts.c (decode_options): Enable forward propagation at -O2.
626 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
627 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
628 canon_for_address, table_size): Remove.
629 (new_basic_block, insert, remove_from_table): Remove references to
631 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
632 simplification loop more straightforward by not calling fold_rtx
634 (equiv_constant): Move here a small part of fold_rtx_subreg,
635 do not call fold_rtx. Call avoid_constant_pool_reference
637 * recog.h (canonicalize_change_group): New.
639 * doc/invoke.texi (Optimization Options): Document fwprop.
640 * doc/passes.texi (RTL passes): Document fwprop.
642 2006-11-03 Geoffrey Keating <geoffk@apple.com>
644 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
645 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
646 (grokdeclarator): Likewise.
648 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
650 * tree-dump.c (dump_enable_all): Rename local variable
651 ir_type to avoid name conflicts.
652 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
653 instead of using ir_type().
654 * profile.c (tree_register_profile_hooks): Likewise.
655 * value-prof.c (tree_register_value_prof_hooks): Likewise.
656 * basic-block.h (struct edge_def): Likewise.
657 * config/arm/arm.c (legitimize_pic_address): Likewise.
658 * coretypes.h (ir_type): New enum of all intermediate languages
660 * cfghooks.c (ir_type): Rename to...
661 (current_ir_type): ...this. Distinguish between cfgrtl and
662 cfglayout mode when the current IR is RTL. Return enum ir_type.
663 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
665 2006-11-03 Paul Brook <paul@codesourcery.com>
667 * config/arm/arm.c (arm_file_start): New function.
668 (TARGET_ASM_FILE_START): Define.
669 (arm_default_cpu): New variable.
670 (arm_override_options): Set arm_default_cpu.
672 2006-11-03 David Ung <davidu@mips.com>
674 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
675 PROCESSOR_24KC and PROCESSOR_24KF.
676 * config/mips/mips.c (mips_cpu_info_table): Add processor names
677 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
678 (mips_rtx_cost_data): Add costs for the 24kc.
679 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
680 * config/mips/24k.md: Remove references to 24k and replace with
681 uses of 24kc/24kf in the appropriate reservations.
682 * doc/invoke.texi (MIPS Options): Updated.
684 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
686 * config/sh/crt1.asm: Fix #ifdef indent.
688 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
689 Merged from STMicroelectronics sources:
690 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
691 * config/sh/crt1.asm (vbr_600): Add missing #if.
692 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
693 * sh.opt (mfused-madd): New option.
694 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
695 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
696 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
697 Remove pointless handler at VBR+0.
698 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
699 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
700 fr7. Make sure the timer handler is called with the correct FPU
701 precision setting, according to the ABI.
702 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
703 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
704 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
705 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
706 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
707 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
708 zero as second operand.
709 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
710 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
711 Fixed some bugs related to negative values, in particular -0
712 and overflow at -0x80000000.
713 * config/sh/divcost-analysis: Added sh4-300 figures.
714 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
715 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
716 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
717 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
718 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
719 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
721 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
723 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
724 SH4-300 scheduling description & fixes to SH4-[12]00 description:
725 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
726 mac_mem, mem_mac, dfp_mul, fp_cmp.
727 (insn_class, dfp_comp, any_fp_comp): Update.
728 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
729 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
730 (muldf3_i): Likewise.
731 (movsi_i): Split rI08 alternative into two separate alternatives.
733 (movsi_ie, movsi_i_lowpart): Likewise.
734 (movqi_i): Split ri alternative into two separate alternatives.
736 * sh1.md (sh1_load_store, sh1_fp): Update.
737 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
738 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
739 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
740 (sh4a_fp_double_arith): Likewise.
741 * sh4-300.md: New file.
742 * sh.c (sh_handle_option): Handle m4-300* options.
743 (sh_adjust_cost): Fix latency of auto-increments.
744 Handle SH4-300 differently than other SH4s. Check for new insn types.
745 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
746 been set by an option.
747 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
748 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
749 (mbranch-cost=): Likewise.
750 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
752 * sh.md (mulsf3): Remove special expansion code.
753 (mulsf3_ie): Now a define_insn_and_split.
754 (macsf3): Allow for TARGET_SH4.
756 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
757 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
758 (expand_cbranchdi4): Likewise.
759 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
760 CONST_DOUBLE if the outer code is COMPARE.
761 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
762 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
763 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
764 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
765 Remove redundant fp_{zero,one}_operand checks.
766 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
767 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
768 (expand_cbranchdi4): Likewise.
769 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
770 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
772 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
774 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
777 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
779 * doc/invoke.texi: Fix mfp-trap-mode typo.
781 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
783 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
784 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
785 file_end_indicate_exec_stack.
786 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
788 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
789 for a non-executable stack.
790 * crti.asm: Likewise.
791 * crtn.asm: Likewise.
792 * libunwind.S: Likewise.
794 2006-11-02 Ben Elliston <bje@au.ibm.com>
796 * tree-ssa.c (warn_uninit): Use expand_location variables for
797 locus and declaration locus.
799 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
802 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
803 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
804 cmp{eq,gt,gtu}{si,di}_media.
805 (*cmpne0si_media): Remove.
806 (*movsicc_umin): Adjust gen_cmp*_media call.
807 (unordered): Change the mode of unordered and operands[1] to
809 (seq): Adjust gen_cmp*_media calls. Make the mode of
810 a temporary result of compare SImode if needed. If the mode
811 of operands[0] is DImode, extend the temporary result to DImode.
812 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
813 (sunorderd): Change the mode of match_operand and unorderd to
815 (cmpeq{sf,df}_media): Remove.
816 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
817 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
818 and compare operation to SImode.
820 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
822 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
824 (sparc64-sun-solaris2*): Likewise.
826 2006-11-02 Paul Brook <paul@codesourcery.com>
828 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
829 from priority argument. Use different section for non-default
831 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
833 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
836 * except.c (switch_to_exception_section): Do not cache the section
837 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
838 and flag_function_sections is set.
840 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * builtins.c (do_mpfr_sincos): New.
844 (fold_builtin_1): Use it to fold builtin sincos.
846 2006-11-01 Roger Sayle <roger@eyesopen.com>
848 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
849 it into -D_REENTRANT.
851 2006-11-01 Roger Sayle <roger@eyesopen.com>
853 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
854 whether the assembler supports taking the difference of symbols in
855 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
856 * configure: Regenerate.
857 * config.in: Regenerate.
858 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
859 the assembler doesn't support taking the difference of symbols in
860 different sections, i.e. we're using the native solaris assembler.
862 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
863 Peter Bergner <bergner@vnet.ibm.com>
865 * doc/invoke.texi: Add cpu_type power6x
866 (RS/6000 and PowerPC Options): Add -mmfpgpr.
867 * config.gcc: Add cpu_type power6x.
868 * configure.ac: Add test for mf{t,f}gpr instructions.
869 (HAVE_AS_MFPGPR): New.
870 * config.in: Regenerate.
871 * configure: Regenerate.
872 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
873 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
874 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
875 and mftgpr attributes.
876 (define_attr "cpu"): Add power6.
877 Change instruction sequences to use new attributes.
878 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
879 (fix_truncdfsi2_mfpgpr): New.
880 (floatsidf_ppc64_mfpgpr): New.
881 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
882 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
883 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
884 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
885 (fix_truncdfsi2): Use gpc_reg_operand constraint.
886 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
887 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
888 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
889 cntlz,exts and var_delayed_compare.
890 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
891 _ARCH_PWR6X, if features enabled.
892 * config/rs6000/rs6000.opt (mmfpgpr): New.
893 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
894 (cached_can_issue_more): New variable.
895 (processor_costs): Add power6_cost.
896 (rs6000_sched_init): New function.
897 (is_dispatch_slot_restricted): Deleted.
898 (set_to_load_agen): New function.
899 (is_load_insn,is_store_insn): New functions.
900 (adjacent_mem_locations): New function.
901 (insn_must_be_first_in_group): New function.
902 (insn_must_be_last_in_group): New function.
903 (rs6000_sched_reorder): New function.
904 (rs6000_sched_reorder2): New function.
905 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
906 TARGET_SCHED_REORDER2): Define.
907 (processor_target_table): Use PROCESSOR_POWER6 for power6.
908 Add power6x. Add MASK_MFPGPR for power6x.
909 (POWERPC_MASKS): Add MASK_MFPGPR.
910 (rs6000_override_options): Set rs6000_always_hint to false
911 for power6. Set rs6000_align_branch_targets. Replace
912 rs6000_sched_groups check with rs6000_align_branch_targets.
913 Use PROCESSOR_POWER6.
914 (last_scheduled_insn): New variable.
915 (load_store_pendulum): New variable.
916 (rs6000_variable_issue): Set last_scheduled_insn and
917 cached_can_issue_more.
918 (rs6000_adjust_cost): Add power6 cost adjustments.
919 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
920 with insn_must_be_first_in_group. Add power6 priority adjustments.
921 (rs6000_issue_rate): Add CPU_POWER6.
922 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
923 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
924 (TARGET_MFPGPR): New.
925 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
926 (ASM_CPU_SPEC): Add power6x.
927 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
929 * config/rs6000/power6.md: New file.
931 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
933 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
934 HOST_WIDE_INT_PRINT to print high and low parts. Use
935 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
936 printing a hexadecimal number prefix it with 0x.
938 2006-11-01 Chris Johns <chris@contemporary.net.au>
941 * Makefile.in (install-driver): Use exeext when installing
942 $target-gcc-$version.
944 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
946 * c-common.c (flag_cpp0x): New.
947 * c-common.h (flag_cpp0x): New.
948 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
949 supported, define __GXX_EXPERIMENTAL_CPP0X__.
950 * c-opts.c (set_std_cxx0x): New.
951 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
952 * c.opt (std=c++0x): Document.
953 (std=gnu++0x): Ditto.
954 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
955 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
957 2006-11-01 Richard Guenther <rguenther@suse.de>
959 * config/i386/i386.c (ix86_expand_rint): Fix issues with
961 (ix86_expand_floorceildf_32): Likewise.
962 (ix86_expand_floorceil): Likewise.
963 (ix86_expand_trunc): Likewise.
965 2006-10-31 Andrew Pinski <pinskia@gmail.com>
967 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
970 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
972 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
974 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
976 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
978 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
979 * configure.ac (use_cxa_atexit): As a special case, don't test
980 for libc definition of __cxa_atexit on mingw32
981 * configure: Regenerate.
982 * config.gcc (i[34567]86-pc-mingw32): Default to
983 enable__cxa_atexit=yes.
985 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
987 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
989 2006-10-31 Geoffrey Keating <geoffk@apple.com>
992 * c-decl.c (start_struct): Don't create self-containing
994 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
996 * config/rs6000/rs6000-protos.h
997 (darwin_rs6000_special_round_type_align): New.
998 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
999 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1001 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1003 * toplev.c (compile_file): Call final_write_globals
1004 even if there have been errors.
1006 2006-10-31 Eric Christopher <echristo@apple.com>
1007 Falk Hueffner <falk@debian.org>
1009 * doc/extend.texi (__builtin_bswap32): Document.
1010 (__builtin_bswap64): Ditto.
1011 * doc/libgcc.texi (bswapsi2): Document.
1013 * doc/rtl.texi (bswap): Document.
1014 * optabs.c (expand_unop): Don't widen a bswap.
1015 (init_optabs): Init bswap. Set libfuncs explicitly
1016 for bswapsi2 and bswapdi2.
1017 * optabs.h (OTI_bswap): New.
1018 (bswap_optab): Ditto.
1019 * genopinit.c (optabs): Handle bswap_optab.
1020 * tree.h (tree_index): Add TI_UINT32_TYPE and
1022 (uint32_type_node): New.
1023 (uint64_type_node): Ditto.
1024 * tree.c (build_common_tree_nodes_2): Initialize
1025 uint32_type_node and uint64_type_node.
1026 * builtins.c (expand_builtin_bswap): New.
1027 (expand_builtin): Call.
1028 (fold_builtin_bswap): New.
1029 (fold_builtin_1): Call.
1030 * fold-const.c (tree_expr_nonnegative_p): Return true
1032 * builtin-types.def (BT_UINT32): New.
1034 (BT_FN_UINT32_UINT32): Ditto.
1035 (BT_FN_UINT64_UINT64): Ditto.
1036 * builtins.def (BUILT_IN_BSWAP32): New.
1037 (BUILT_IN_BSWAP64): Ditto.
1038 * rtl.def (BSWAP): New.
1039 * genattrtab.c (check_attr_value): New.
1040 * libgcc2.c (__bswapSI2): New.
1041 (__bswapDI2): Ditto.
1042 * libgcc2.h (__bswapSI2): Declare.
1043 (__bswapDI2): Ditto.
1044 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1045 * simplify-rtx.c (simplify_const_unary_operation): Return
1047 * libgcc-std.ver (__bwapsi2): Add.
1048 (__bswapdi2): Ditto.
1049 * reload1.c (eliminate_regs_1): Add bswap.
1050 (elimination_effects): Ditto.
1051 * config/i386/i386.h (x86_bswap): New.
1052 (TARGET_BSWAP): Use.
1053 * config/i386/i386.c (x86_bswap): Set.
1055 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1057 * coverage.c (coverage_checksum_string): Update comment.
1058 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1059 of get_file_function_name.
1060 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1061 of get_file_function_name_long.
1062 * tree.c (get_file_function_name): Rename from
1063 get_file_function_name_long; improve comment; handle 'I' and 'D'
1064 specially when the target has ctor/dtor support; remove special
1066 (get_file_function_name): Remove.
1067 * tree.h (get_file_function_name): Rename from
1068 get_file_function_name_long.
1069 (get_file_function_name): Remove prototype.
1071 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1073 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1074 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1076 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1077 Call dsymutil when compiling and linking one or more source files
1080 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1083 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1085 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1087 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1088 inline static functions in c99 mode.
1091 * doc/extend.texi (Inline): Update.
1092 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1093 * c-decl.c (current_extern_inline): Delete.
1094 (pop_scope): Adjust test for an undefined nested function.
1095 Add warning about undeclared inline function.
1096 (diagnose_mismatched_decls): Update comments. Disallow overriding
1097 of inline functions in a translation unit in C99. Allow inline
1098 declarations in C99 at any time.
1099 (merge_decls): Boolize variables. Handle C99 'extern inline'
1101 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1102 C99 inline semantics.
1103 (start_function): Don't clear current_extern_inline. Don't set
1105 (c_push_function_context): Don't push current_extern_inline.
1106 (c_pop_function_context): Don't restore current_extern_inline.
1109 * c-typeck.c (build_external_ref): Warn about static variables
1110 used in extern inline functions.
1111 * c-decl.c (start_decl): Warn about static variables declared
1112 in extern inline functions.
1114 2006-10-31 Roger Sayle <roger@eyesopen.com>
1117 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1118 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1119 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1120 or y is an even integer.
1122 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1125 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1126 * gthr-posix95.h (__gthread_active_p): Likewise.
1128 2006-10-31 Richard Guenther <rguenther@suse.de>
1130 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1131 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1132 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1133 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1134 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1135 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1136 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1137 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1140 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1142 * opts.c (decode_options): Disable CSE skip blocks.
1144 2006-10-30 Dirk Mueller <dmueller@suse.de>
1146 * c-common.h (strict_aliasing_warning): Fix whitespace.
1147 * c-decl (start_function): Move code for main decl warning ..
1148 * c-common.c (check_main_parameter_types): .. here.
1149 * c-common.h (check_main_parameter_types): Declare.
1151 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1154 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1156 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1158 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1159 be a PARALLEL containing sets. Return false when out_pat is not
1162 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1164 * config/mips/mips.md (mul<mode>3): Split into...
1165 (mulsi3, muldi3): ...these separate patterns.
1167 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1169 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1170 but with each set of options separated by spaces.
1172 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1174 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1175 dwarf_reg_size_table has been initialized.
1177 2006-10-30 Roger Sayle <roger@eyesopen.com>
1179 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1180 * ddg.c (print_ddg_edge): Likewise.
1181 * dwarf2out.c (prune_unused_types_walk): Likewise.
1182 * ifcvt.c (noce_try_cmove_arith): Likewise.
1183 * langhooks.c (add_builtin_function): Likewise.
1184 * reg-stack.c (subst_stack_regs_pat): Likewise.
1185 * tree.c (expanded_location): Likewise.
1186 * tree-dump.c (dequeue_and_dump): Likewise.
1188 2006-10-30 David Daney <ddaney@avtrex.com>
1190 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1192 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1194 PR tree-optimization/29637
1195 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1196 of the innertype is the innertype itself.
1198 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1200 * dwarf2out.c (file_name_acquire): Correct typo.
1202 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1204 * tree.h (tree_value_handle): Remove struct value_set declaration.
1205 Change value_set to bitmap_set.
1206 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1207 * tree-vn.c (get_value_handle): Made inline and moved to
1209 * tree-flow-inline.h: (has_stmt_ann): New function.
1210 * tree-ssa-pre.c (expressions): New variable.
1211 (next_expression_id): Ditto.
1212 (alloc_expression_id): New function.
1213 (struct value_set): Remove.
1214 (get_expression_id): New function.
1215 (get_or_alloc_expression_id): Ditto.
1216 (expression_for_id): Ditto.
1217 (clear_expression_ids): Ditto.
1218 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1219 (bb_value_sets): Renamed to bb_bitmap_sets.
1220 All value sets replaced with bitmap_sets.
1222 (BB_VISITED): New macro.
1223 (postorder): New variable.
1224 (add_to_value): Removed.
1225 (value_exists_in_set_bitmap): Ditto.
1226 (value_insert_into_set_bitmap): Ditto.
1229 (set_remove): Ditto.
1230 (set_contains_value): Ditto.
1231 (insert_into_set): Ditto.
1233 (find_leader): Ditto.
1234 (bitmap_set_subtract_from_value_set): Ditto.
1235 (value_insert_into_set): Ditto.
1236 (print_value_set): Ditto.
1237 (debug_value_set): Ditto.
1238 (constant_expr_p): New function.
1239 (bitmap_remove_from_set): Ditto.
1240 (bitmap_insert_into_set): Ditto.
1241 (bitmap_set_free): Ditto.
1242 (vh_compare): Ditto.
1243 (sorted_array_from_bitmap_set): Ditto.
1244 (bitmap_set_subtract): Ditto.
1245 (bitmap_set_equal): Ditto.
1246 (debug_bitmap_set): Ditto.
1247 (find_leader_in_sets): Ditto.
1248 (bitmap_set_replace_value): Modify for bitmapped sets.
1249 (phi_translate): Ditto.
1250 (phi_translate_set): Ditto.
1251 (bitmap_find_leader): Ditto.
1252 (valid_in_sets): Ditto.
1253 (union_contains_value): Ditto.
1255 (compute_antic_aux): Ditto. Mark changed blocks.
1256 (compute_antic): Ditto. Iterate in postorder and only over
1258 (compute_rvuse_and_antic_safe): Reuse postorder.
1259 (create_component_ref_by_pieces): Modify for bitmapped sets.
1260 (find_or_generate_expression): Ditto.
1261 (create_expression_by_pieces): Ditto.
1262 (insert_into_preds_of_block): Ditto.
1263 (changed_blocks): New variable.
1264 (do_regular_insertion): Broken out from insert_aux.
1265 (insert_aux): Modified for bitmapped sets.
1266 (find_existing_value_expr): New function.
1267 (create_value_expr_from): Use it.
1268 (insert_extra_phis): Removed.
1269 (print_bitmap_set): Renamed from bitmap_print_value_set.
1270 (compute_avail): Handle RETURN_EXPR.
1271 (init_pre): Modify for bitmapped sets.
1272 * tree-flow.h (has_stmt_ann): New function.
1274 2006-10-29 Roger Sayle <roger@eyesopen.com>
1276 * builtins.c (fold_builtin_floor): Check for the availability of
1277 the C99 trunc function before transforming floor into trunc.
1279 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1281 * builtins.c (fold_builtin_hypot): Rearrange recursive
1282 transformation before others, and also do ABS_EXPR. When
1283 necessary, check flag_unsafe_math_optimizations. When necessary,
1286 2006-10-29 Roger Sayle <roger@eyesopen.com>
1288 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1289 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1290 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1291 Fold -X eq/ne -Y as X eq/ne Y.
1293 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1295 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1296 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1297 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1298 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1299 Use an inclusive test for "mult" rather than "mul".
1300 (rotr<mode>3): Depend on ISA_HAS_ROR.
1301 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1303 (GENERATE_MULT3_DI): Delete.
1304 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1305 (ISA_HAS_MUL3): New macro.
1306 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1307 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1308 (ISA_HAS_CLZ_CLO): Likewise.
1309 (ISA_HAS_DCLZ_DCLO): Delete.
1310 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1311 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1312 the VR4120 and VR4130.
1313 (ISA_HAS_MACCHI): Use consistent formatting.
1314 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1315 (ISA_HAS_ROR): ...this new macro.
1316 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1317 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1318 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1320 2006-10-29 Roger Sayle <roger@eyesopen.com>
1322 PR tree-optimization/15458
1323 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1326 2006-10-29 Richard Guenther <rguenther@suse.de>
1328 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1329 (ix86_expand_truncdf_32): Likewise.
1330 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1331 trunc inline for SSE math and -fno-trapping-math and if not
1332 optimizing for size.
1333 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1334 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1335 for expanding btrunc inline for SSE math.
1337 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1339 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1340 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1341 i[34567]86-*-solaris2.1[0-9]*.
1342 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1343 Define conditionally depending on TARGET_64BIT_DEFAULT.
1344 (SPEC_32, SPEC_64): Define.
1345 (LINK_SPEC): Use them.
1346 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1348 2006-10-29 Richard Guenther <rguenther@suse.de>
1350 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1351 (ix86_expand_rounddf_32): Likewise.
1352 * config/i386/i386.c (ix86_expand_round): New function expanding
1353 round inline for SSE math and -fno-trapping-math and if not
1354 optimizing for size.
1355 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1356 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1357 round via ix86_expand_round.
1359 2006-10-29 Richard Guenther <rguenther@suse.de>
1361 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1362 (ix86_expand_floorceildf_32): Likewise.
1363 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1364 static helper function.
1365 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1367 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1368 * config/i386/i386.md (floordf2): Adjust to enable floor
1369 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1370 -fno-trapping-math is enabled and if not optimizing for size.
1371 (floorsf2, ceildf2, ceilsf2): Likewise.
1372 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1373 (sse2_maskcmpdf3): Likewise.
1375 2006-10-29 Richard Guenther <rguenther@suse.de>
1377 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1378 rint in case -fno-trapping-math is enabled.
1379 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1380 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1381 (ix86_expand_sse_fabs): Likewise.
1382 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1383 * config/i386/i386.md (rintdf2): Enable for SSE math if
1384 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1385 (rintsf2): Likewise.
1387 2006-10-29 Richard Guenther <rguenther@suse.de>
1389 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1390 to conversion optabs.
1391 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1392 as conversion optab.
1393 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1394 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1395 (lfloor_optab, lceil_optab): Adjust defines.
1396 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1397 lfloor and lceil optabs now being conversion optabs.
1398 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1399 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1400 New static helper function.
1401 (ix86_expand_lfloorceil): New function to expand lfloor and
1403 * config/i386/i386.md (lfloor<mode>2): Split into ...
1404 (lfloorxf<mode>2): ... x87 variant
1405 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1406 using ix86_expand_lfloorceil.
1407 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1409 * doc/md.texi (lfloorMN, lceilMN): Document.
1411 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1413 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1414 -mno-shared assembler option on mips targets.
1415 * configure, config.in: Regenerate.
1416 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1417 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1418 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1420 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1422 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1423 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1425 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1427 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1428 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1431 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1434 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1435 (fold_builtin_pow): Evaluate constant arguments at compile-time
1437 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1438 (do_mpfr_ckconv): New helper function.
1439 (do_mpfr_arg1): Use do_mpfr_ckconv.
1440 (do_mpfr_arg2): New.
1442 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1445 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1446 (-fdump-rtl-sched): Rename to ..
1447 (-fdump-rtl-sched1): here. Also fix file extension number.
1449 2006-10-28 Richard Guenther <rguenther@suse.de>
1451 * fold-const.c (maybe_canonicalize_comparison): Fix code
1454 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1456 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1457 (NON_QI_REG_P): Use IN_RANGE.
1458 (REX_INT_REGNO_P): Use IN_RANGE.
1459 (FP_REGNO_P): Use IN_RANGE.
1460 (SSE_REGNO_P): Use IN_RANGE.
1461 (REX_SSE_REGNO_P): Use IN_RANGE.
1462 (MMX_REGNO_P): Use IN_RANGE.
1463 (STACK_REGNO_P): New macro.
1464 (STACK_REG_P): Use STACK_REGNO_P.
1465 (NON_STACK_REG_P): Use STACK_REGNO_P.
1466 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1467 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1468 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1469 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1470 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1472 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1474 * except.h (output_function_exception_table): Add 'const char*' param.
1475 * except.c (switch_to_exception_section): Add 'const char*' param.
1476 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1477 and flag_function_sections is set, use a function-specific section.
1478 (output_function_exception_table): Add 'const char*' param.
1479 Adjust call to switch_to_exception_section.
1480 * final.c (rest_of_handle_final): Adjust calls to
1481 output_function_exception_table.
1482 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1483 * config.in: Regenerate.
1484 * configure: Likewise.
1486 2006-10-28 Richard Guenther <rguenther@suse.de>
1489 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1490 for maybe_canonicalize_comparison.
1491 (maybe_canonicalize_comparison): New function for canonicalizing
1493 (fold_comparison): Call it to canonicalize comparisons with
1496 2006-10-28 Richard Guenther <rguenther@suse.de>
1499 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1500 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1501 (expand_builtin): Adjust likewise.
1502 * genopinit.c (optabs[]): Add lround optab.
1503 * optabs.c (init_optabs): Initialize lround_optab.
1504 * optabs.h (enum convert_optab_index): Add COI_lround.
1505 (lround_optab): Define.
1506 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1507 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1509 (ix86_expand_lround): New function.
1510 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1512 * doc/md.texi (lroundMN2): Document.
1514 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1517 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1518 argument to HOST_WIDE_INT. Update function prototype.
1519 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1520 "size" argument to HOST_WIDE_INT. Update function prototype.
1522 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1524 * config/i386/i386.c (output_387_ffreep): Create output from a
1525 template string for !HAVE_AS_IX86_FFREEP.
1527 2006-10-27 Eric Christopher <echristo@apple.com>
1529 * config/darwin.c: Fix formatting and grammar.
1531 2006-10-27 Jan Hubicka <jh@suse.cz>
1533 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1534 to be thrown away soon when IGNORE is set.
1535 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1536 indicating when return value shall not be computed.
1537 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1539 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1541 * config/i386/i386.h (TARGET_GEODE):
1542 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1543 (TARGET_CPU_DEFAULT_geode): New macro.
1544 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1545 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1546 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1547 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1548 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1550 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1551 (processor_type): Add PROCESSOR_GEODE.
1553 * config/i386/i386.md: Include geode.md.
1556 * config/i386/i386.c (geode_cost): New initialized global
1558 (m_GEODE, m_K6_GEODE): New macros.
1559 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1560 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1561 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1562 x86_schedule): Use m_K6_GEODE instead of m_K6.
1563 (x86_movx, x86_cmove): Set up m_GEODE.
1564 (x86_integer_DFmode_moves): Clear m_GEODE.
1565 (processor_target_table): Add entry for geode.
1566 (processor_alias_table): Ditto.
1568 * config/i386/geode.md: New file.
1570 * doc/invoke.texi: Add entry about geode processor.
1572 2006-10-27 Mike Stump <mrs@apple.com>
1574 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1575 __DYNAMIC__ from here back to ...
1576 * config/darwin.h (CPP_SPEC): ... here.
1578 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1579 Nathan Sidwell <nathan@codesourcery.com>
1581 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1582 when choosing the minimum heapsize.
1584 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1586 * gcc/unwind-dw2.h: Move cfa-related variables into
1587 struct frame_state_reg_info to ensure that the CFA is properly
1588 handled when executing DW_CFA_{remember,restore}_state.
1589 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1590 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1591 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1592 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1593 gcc/config/rs6000/linux-unwind.h,
1594 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1595 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1596 Modify to use new cfa_* fields.
1598 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1600 * config/s390/s390.c (s390_init_frame_layout): Check positive
1603 2006-10-26 Ben Elliston <bje@au.ibm.com>
1605 * gimplify.c (get_name): Remove extraneous break.
1606 (gimplify_omp_for): Initialise ret with GS_OK.
1608 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1610 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1611 Add unix98.o to link line.
1613 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1616 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1617 Calculate compile-time constants using MPFR.
1618 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1619 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1621 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1623 * config/xtensa/lib2funcs.S: Use C-style comments.
1625 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1627 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1628 (file_table_relative_p): Likewise.
1629 (dwarf2out_finish): Likewise.
1630 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1632 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1634 * tree-ssa-structalias.c (intra_create_variable_infos):
1635 Don't recreate nonlocal_all if it already exists.
1637 2006-10-25 Richard Guenther <rguenther@suse.de>
1640 * optabs.h (enum optab_index): Remove OTI_lrint.
1641 (enum convert_optab_index): Add COI_lrint.
1642 (lrint_optab): Adjust.
1643 (expand_sfix_optab): Declare.
1644 * optabs.c (expand_sfix_optab): New function.
1645 (init_optabs): Init lrint_optab as conversion optab.
1646 * genopinit.c (lrint_optab): Change to a conversion optab.
1647 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1648 expansion via conversion optab.
1649 * config/i386/i386.md (*fistdi2_1): Remove
1650 flag_unsafe_math_optimizations guard.
1651 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1652 fist<mode>2_with_temp): Likewise.
1653 (lrint<mode>2): Split into...
1654 (lrintxf<mode>2): ... x87 part
1655 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1656 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1657 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1658 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1659 * doc/md.texi (lrintMN2): Document.
1661 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1664 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1665 Use inc and dec instructions for TARGET_USE_INCDEC.
1666 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1667 ("sync_double_compare_and_swap<mode>"): Likewise.
1668 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1669 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1670 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1671 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1672 ("sync_old_add<mode>"): Likewise.
1673 ("sync_lock_test_and_set<mode>"): Likewise.
1674 ("sync_lock_test_and_set<mode>"): Likewise.
1675 ("sync_add<mode>"): Likewise.
1676 ("sync_sub<mode>"): Likewise.
1677 ("sync_ior<mode>"): Likewise.
1678 ("sync_and<mode>"): Likewise.
1679 ("sync_xor<mode>"): Likewise.
1681 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1683 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1684 (remainder_optab): Define corresponding macro.
1685 (drem_optab): Remove.
1686 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1687 drem_optab initialization.
1688 * genopinit.c (optabs): Implement remainder_optab using
1689 remainder?f3 patterns. Remove drem_optab.
1690 * builtins.c (expand_builtin_mathfn_2): Handle
1691 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1692 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1693 expand_builtin_mathfn_2.
1695 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1696 depend on flag_unsafe_math_optimizations.
1698 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1699 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1700 Do not depend on flag_unsafe_math_optimizations. Use
1701 truncxf?f expander instead of truncxf?f_i387_noop.
1703 ("fpremxf4", "fprem1xf4"): Do not depend on
1704 flag_unsafe_math_optimizations.
1705 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1706 flag_unsafe_math_optimizations. Use truncxf?f expander
1707 instead of truncxf?f_i387_noop.
1709 * doc/md.texi (fmod, remainder): Document standard named pattern.
1711 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1712 David Daney <ddaney@avtrex.com>
1715 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1717 2006-10-25 Ben Elliston <bje@au.ibm.com>
1719 * doc/extend.texi (Variable Attributes): Typo fix.
1721 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1723 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1724 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1725 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1726 (FRAME_POINTER_REGNUM): Update register number to 21.
1727 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1728 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1730 * config/i386/i386.c (regclass_map): Add fpcr entry.
1731 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1733 (print_reg): Assert REGNO (x) != FPCR_REG.
1735 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1736 (DIRFLAG_REG): Renumber.
1737 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1738 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1739 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1740 hardcoded SSE register numbers.
1742 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1743 hardcoded MMX register numbers.
1745 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1748 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1749 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1751 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1752 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1753 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1754 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1756 2006-10-24 Richard Guenther <rguenther@suse.de>
1759 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1760 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1761 for deciding optimizations in consistency with fold-const.c
1762 (fold_builtin_unordered_cmp): Likewise.
1764 2006-10-24 Richard Guenther <rguenther@suse.de>
1766 * builtins.c (fold_builtin_floor): Fold floor (x) where
1767 x is nonnegative to trunc (x).
1768 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1769 nonnegative to FIX_TRUNC_EXPR.
1771 2006-10-24 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/29567
1774 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1775 for TRUTH_NOT_EXPR. Clarify comments.
1777 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1780 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1781 at compile-time using MPFR. Change parameter VALUE to FUNC,
1783 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1784 for overflow and underflow at all times and avoid folding in
1787 2006-10-24 Ben Elliston <bje@au.ibm.com>
1789 * reload1.c: Formatting fixes.
1791 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1793 PR tree-optimization/14784
1794 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1795 * tree-ssa-structalias.c (get_constraint_for,
1796 intra_create_variable_infos): Set is_heapvar.
1797 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1798 non-heapvar pointer variables specially.
1800 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1804 fold_builtin_tan): Fold all constant arguments. Take a "type"
1805 argument as necessary.
1806 (do_mpfr_arg1): New.
1807 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1809 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1811 * config/xtensa/lib1funcs.asm: Use C-style comments.
1813 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1815 * tree.c (local_define_builtin): Replace calls to
1816 lang_hooks.builtin_function with add_builtin_function.
1817 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1819 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1821 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1822 common code to add_builtin_function.
1823 * langhooks.c (add_builtin_function): New function.
1824 (lhd_builtin_function): New function.
1825 * langhooks.h (struct lang_hooks): Change the signature of
1827 (add_builtin_function): New function.
1828 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1829 calls to lang_hooks.builtin_function with add_builtin_function.
1830 * c-common.c (decl_builtin_1): Replace calls to
1831 lang_hooks.builtin_function with add_builtin_function.
1832 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1833 lang_hooks.builtin_function with add_builtin_function.
1834 * config/frv/frv.c (def_builtin): Replace calls to
1835 lang_hooks.builtin_function with add_builtin_function.
1836 * config/s390/s390.c (s390_init_builtins): Replace calls to
1837 lang_hooks.builtin_function with add_builtin_function.
1838 * config/sparc/sparc.c (def_builtin): Replace calls to
1839 lang_hooks.builtin_function with add_builtin_function.
1840 * config/i386/i386.c (def_builtin): Replace calls to
1841 lang_hooks.builtin_function with add_builtin_function.
1842 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1843 lang_hooks.builtin_function with add_builtin_function.
1844 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1845 lang_hooks.builtin_function with add_builtin_function.
1846 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1847 Replace calls to lang_hooks.builtin_function with
1848 add_builtin_function.
1849 * config/iq2000/iq2000.c (def_builtin):
1850 Replace calls to lang_hooks.builtin_function with
1851 add_builtin_function.
1852 * config/ia64/ia64.c (def_builtin): Replace calls to
1853 lang_hooks.builtin_function with add_builtin_function.
1854 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1855 lang_hooks.builtin_function with add_builtin_function.
1856 (altivec_init_builtins): Replace calls to
1857 lang_hooks.builtin_function with add_builtin_function.
1858 * config/arm/arm.c (def_mbuiltin): Replace calls to
1859 lang_hooks.builtin_function with add_builtin_function.
1860 (arm_init_tls_builtins): Replace calls to
1861 lang_hooks.builtin_function with add_builtin_function.
1862 * config/mips/mips.c (mips_init_builtins): Replace calls to
1863 lang_hooks.builtin_function with add_builtin_function.
1864 * config/bfin/bfin.c (def_builtin): Replace calls to
1865 lang_hooks.builtin_function with add_builtin_function.
1866 * langhooks-def.h (lhd_builtin_function): New function.
1867 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1869 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1871 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1872 BUILT_IN_STRNCAT_CHK.
1874 2006-10-23 Jan Hubicka <jh@suse.cz>
1876 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1877 don't do conversion from memmove to memcpy here.
1878 (expand_builtin_bcopy, expand_builtin): Update call of
1879 expand_builtin_memmove.
1880 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1882 2006-10-23 Paul Brook <paul@codesourcery.com>
1884 * stor-layout.c (start_record_layout): maximum_field_alignment
1885 overrides STRUCTURE_SIZE_BOUNDARY.
1887 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1889 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1890 nonlocal function symbols if flag_pic.
1892 2006-10-23 Richard Guenther <rguenther@suse.de>
1896 * builtins.c (fold_binary): Remove checks for flag_wrapv
1897 and flag_trapv where negate_expr_p covers these cases.
1899 2006-10-23 Richard Guenther <rguenther@suse.de>
1902 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1903 of two on the absolute value.
1904 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1905 and negating -C does not overflow.
1907 2006-10-23 Richard Guenther <rguenther@suse.de>
1910 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1911 only if not flag_rounding_math.
1913 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1914 Kaz Kojima <kkojima@gcc.gnu.org>
1917 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1918 SImode memory reference for the source of a movua.
1919 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1920 (movua): Use an unspec instead of sign_extract. Expect the source
1921 to have mode BLKmode.
1922 (extv, insv): Use a BLKmode rather than SImode memory reference
1923 for the source of a movua.
1925 2006-10-22 Jeff Law <law@redhat.com>
1926 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/15911
1929 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1930 (register_edge_assert_for_1): Likewise.
1931 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1932 (find_conditional_asserts): Adjust for new function signature.
1933 (find_assert_locations): Likewise.
1935 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1937 * config/i386/tmmintrin.h: Remove the duplicated content.
1939 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1941 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1942 (x86_64-*-*): Likewise.
1944 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1945 (override_options): Check SSSE3.
1946 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1947 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1948 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1949 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1950 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1951 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1952 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1953 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1954 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1955 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1956 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1957 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1958 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1959 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1960 IX86_BUILTIN_PABSD128.
1961 (bdesc_2arg): Add SSSE3.
1962 (bdesc_1arg): Likewise.
1963 (ix86_init_mmx_sse_builtins): Support SSSE3.
1964 (ix86_expand_builtin): Likewise.
1965 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1967 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1968 (UNSPEC_PSIGN): Likewise.
1969 (UNSPEC_PALIGNR): Likewise.
1970 Include mmx.md before sse.md.
1972 * config/i386/i386.opt: Add -mssse3.
1974 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1975 (ssse3_phaddwv4hi3): Likewise.
1976 (ssse3_phadddv4si3): Likewise.
1977 (ssse3_phadddv2si3): Likewise.
1978 (ssse3_phaddswv8hi3): Likewise.
1979 (ssse3_phaddswv4hi3): Likewise.
1980 (ssse3_phsubwv8hi3): Likewise.
1981 (ssse3_phsubwv4hi3): Likewise.
1982 (ssse3_phsubdv4si3): Likewise.
1983 (ssse3_phsubdv2si3): Likewise.
1984 (ssse3_phsubswv8hi3): Likewise.
1985 (ssse3_phsubswv4hi3): Likewise.
1986 (ssse3_pmaddubswv8hi3): Likewise.
1987 (ssse3_pmaddubswv4hi3): Likewise.
1988 (ssse3_pmulhrswv8hi3): Likewise.
1989 (ssse3_pmulhrswv4hi3): Likewise.
1990 (ssse3_pshufbv16qi3): Likewise.
1991 (ssse3_pshufbv8qi3): Likewise.
1992 (ssse3_psign<mode>3): Likewise.
1993 (ssse3_psign<mode>3): Likewise.
1994 (ssse3_palignrti): Likewise.
1995 (ssse3_palignrdi): Likewise.
1996 (abs<mode>2): Likewise.
1997 (abs<mode>2): Likewise.
1999 * config/i386/tmmintrin.h: New file.
2001 * doc/extend.texi: Document SSSE3 built-in functions.
2003 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2005 2006-10-22 Ira Rosen <irar@il.ibm.com>
2007 * tree-vect-transform.c (vectorizable_load): Use the type of the
2008 return value of the mask_for_load builtin to create realign_load
2011 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2013 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2016 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2018 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2019 (UNSPEC_LDDQU): This.
2020 * config/i386/sse.md (sse3_lddqu): Updated.
2022 2006-10-21 Richard Guenther <rguenther@suse.de>
2024 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2025 (expand_builtin): Use it to expand lrint instead of
2026 expand_builtin_mathfn.
2028 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2031 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2032 flag_unsafe_math_optimizations is set.
2034 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2037 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2038 patterns to use memory input operand in x87->mem->XMM
2039 reload sequences. Skip transformation for TARGET_K8.
2041 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2043 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2044 force operand1 to register if both operands are memory operands.
2045 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2046 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2047 if both operands are memory operands.
2048 (truncdfsf2): Do not force operand1 to register if both operands
2049 are memory operands.
2051 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2053 * Makefile.in (LIBS): Add $(GMPLIBS).
2054 * doc/install.texi: Update GMP and MPFR requirements.
2055 * doc/sourcebuild.texi (need_gmp): Delete.
2057 2006-10-21 Richard Guenther <rguenther@suse.de>
2059 PR tree-optimization/3511
2060 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2061 got new invariant arguments during PHI translation.
2063 2006-10-21 Richard Guenther <rguenther@suse.de>
2066 * fold-const.c (fold_comparison): Fold signed comparisons
2067 of the form X +- C1 CMP Y +- C2.
2069 2006-10-21 Richard Guenther <rguenther@suse.de>
2072 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2073 if flag_unsafe_math_optimizations is specified. We have
2074 flag_finite_math_only for that.
2075 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2076 or flag_unsafe_math_optimizations.
2078 2006-10-21 Richard Guenther <rguenther@suse.de>
2080 * builtins.c (fold_builtin_classify): Fix typo.
2082 2006-10-21 Richard Guenther <rguenther@suse.de>
2085 * simplify-rtx.c (simplify_const_relational_operation):
2086 Do not constant-fold ORDERED and UNORDERED for
2087 flag_unsafe_math_optimizations but only we do not need to
2088 honor NaNs for the given mode.
2090 2006-10-21 Richard Guenther <rguenther@suse.de>
2093 * config/i386/i386.c (classify_argument): Remove redundant
2094 walking of the BINFOs.
2095 (contains_128bit_aligned_vector_p): Likewise.
2097 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2099 * BASE-VER: Set to 4.3.0.
2101 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2103 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2104 (tree_decl_with_vis): Remove artificial_pta_var flag.
2105 * tree-flow.h (referenced_var_check_and_insert): Expose.
2106 (nonlocal_all): New prototype.
2107 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2108 (nonlocal_all): Make global.
2109 (nonlocal_lookup): Remove.
2110 (nonlocal_insert): Ditto.
2111 (create_nonlocal_var): Do not call nonlocal_insert.
2112 (get_nonlocal_id_for_type): Remove.
2113 (find_global_initializers): Mark new vars we find for renaming.
2114 (intra_create_variable_infos): Only create one nonlocal.
2115 (expand_nonlocal_solutions): Remove.
2116 (compute_points_to_sets): Don't call it.
2117 (ipa_pta_execute): Ditto.
2118 (init_alias_heapvars): Don't create nonlocal_for_type.
2119 (delete_alias_heapvars): Don't remove it.
2120 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2123 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2125 * doc/install.texi (Downloading GCC): Clarify mention of
2126 Fortran in the "full distribution" description.
2128 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2130 Fix PR tree-optimization/28778
2131 Fix PR tree-optimization/29156
2132 Fix PR tree-optimization/29415
2133 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2134 (tree_decl_with_vis): Add artificial_pta_var flag.
2135 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2136 pushed into callers.
2137 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2138 (nonlocal_all): Ditto.
2139 (struct variable_info): Add directly_dereferenced member.
2140 (var_escaped_vars): New variable.
2141 (escaped_vars_tree): Ditto.
2142 (escaped_vars_id): Ditto.
2143 (nonlocal_vars_id): Ditto.
2144 (new_var_info): Set directly_dereferenced.
2145 (graph_size): New variable
2146 (build_constraint_graph): Use graph_size.
2147 (solve_graph): Don't process constraints that cannot change the
2148 solution, don't try to propagate an empty solution to our
2150 (process_constraint): Set directly_dereferenced.
2151 (could_have_pointers): New function.
2152 (get_constraint_for_component_ref): Don't process STRING_CST.
2153 (nonlocal_lookup): New function.
2154 (nonlocal_insert): Ditto.
2155 (create_nonlocal_var): Ditto.
2156 (get_nonlocal_id_for_type): Ditto.
2157 (get_constraint_for): Allow results vector to be empty in the case
2158 of string constants.
2159 Handle results of calls properly.
2160 (update_alias_info): Update alias info stats on number and type of
2162 (find_func_aliases): Use could_have_pointers.
2163 (make_constraint_from_escaped): Renamed from
2164 make_constraint_to_anything, and changed to make constraints from
2166 (make_constraint_to_escaped): New function.
2167 (find_global_initializers): Ditto.
2168 (create_variable_info_for): Make constraint from escaped to any
2169 global variable, and from any global variable to the set of
2171 (intra_create_variable_infos): Deal with escaped instead of
2172 pointing to anything.
2173 (set_uids_in_ptset): Do type pruning on directly dereferenced
2175 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2176 (init_base_vars): Fix comment, and initialize escaped_vars.
2177 (need_to_solve): Removed.
2178 (find_escape_constraints): New function.
2179 (expand_nonlocal_solutions): Ditto.
2180 (compute_points_to_sets): Call find_escape_constraints and
2181 expand_nonlocal_solutions.
2182 (delete_points_to_sets): Don't fall off the end of the graph.
2183 (init_alias_heapvars): Initialize nonlocal_for_type and
2185 (delete_alias_heapvars): Free nonlocal_for_type and null out
2188 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2190 * fold-const.c (add_double): Rename to add_double_with_sign.
2191 Add 'unsigned_p' parameter and take it into account for the overflow.
2192 (mul_double): Rename to mul_double_with_sign.
2193 Add 'unsigned_p' parameter and take it into account for the overflow.
2194 (fold_div_compare): Call add_double_with_sign instead of add_double
2195 and mul_double_with_sign instead of mul_double, passing them the
2196 unsignedness of the type.
2197 * tree.h (add_double): Macroize.
2198 (add_double_with_sign): New prototype.
2199 (mul_double): Macroize.
2200 (mul_double_with_sign): New prototype.
2202 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2204 * config/score/crti.asm: New file.
2205 * config/score/crtn.asm: New file.
2206 * config/score/elf.h: New file.
2207 * config/score/mac.md: New file.
2208 * config/score/misc.md: New file.
2209 * config/score/mul-div.S: New file.
2210 * config/score/predicates.md: New file.
2211 * config/score/score7.md: New file.
2212 * config/score/score.c: New file.
2213 * config/score/score-conv.h: New file.
2214 * config/score/score.h: New file.
2215 * config/score/score.md: New file.
2216 * config/score/score-mdaux.c: New file.
2217 * config/score/score-mdaux.h: New file.
2218 * config/score/score-modes.def: New file.
2219 * config/score/score.opt: New file.
2220 * config/score/score-protos.h: New file.
2221 * config/score/score-version.h: New file.
2222 * config/score/t-score-elf: New file.
2223 * config.gcc: Add score*-*-* configurations(Update before).
2224 * doc/invoke.texi (Score Options): New section.
2225 * doc/md.texi (Score family): New section to document constraints.
2227 2006-10-19 Nick Clifton <nickc@redhat.com>
2229 * config/arm/arm.c: Fix spelling typo.
2231 2006-10-18 Tom Tromey <tromey@redhat.com>
2233 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2235 2006-10-18 Jan Hubicka <jh@suse.cz>
2238 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2241 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2243 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2244 TSI_SAME_STMT, since that's the desired entity.
2246 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2248 * config/s390/contraints.md: New file.
2249 * config/s390/s390-protos.h (s390_mem_constraint,
2250 s390_O_constraint_str, s390_N_constraint_str,
2251 s390_float_const_zero_p): Function prototypes added.
2252 * config/s390/s390.c (s390_extra_constraint_str,
2253 s390_const_double_ok_for_constraint_p,
2254 s390_const_ok_for_constraint_p): Functions removed.
2255 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2256 s390_float_const_zero_p): New functions.
2257 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2258 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2259 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2260 Macro definitions removed.
2261 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2262 s390_extra_constraint_str): Functions removed.
2264 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2265 Richard Sandiford <richard@codesourcery.com>
2268 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2269 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2271 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2273 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2274 (DWARF2_FRAME_REG_OUT): Likewise.
2275 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2276 (DWARF2_FRAME_REG_OUT): Likewise.
2278 2006-10-17 Paul Brook <paul@codesourcery.com>
2280 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2282 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2284 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2285 Standardize on "GNU Fortran" as the official name of the Fortran
2288 2006-10-16 Mike Stump <mrs@apple.com>
2290 * doc/invoke.texi (Darwin Options): Document -mkernel.
2291 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2293 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2294 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2295 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2296 (OS_MISSING_ALTIVEC): Add.
2297 * config/i386/i386.c (override_options): Add
2298 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2299 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2300 -mkernel, -static or -mdynamic-no-pic is given.
2301 (C_COMMON_OVERRIDE_OPTIONS): Add.
2302 * config/darwin.opt (fapple-kext): Add.
2304 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2305 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2307 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2308 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2309 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2310 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2311 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2312 (flag_mkernel): Add.
2313 (flag_apple_kext): Add.
2314 (TARGET_KEXTABI): Add.
2315 * config/darwin.c (darwin_handle_kext_attribute): Add.
2316 (DARWIN_VTABLE_P): Add.
2317 (darwin_binds_local_p): Add partial support for rebinding vtables
2319 (darwin_kextabi_p): Add.
2320 (darwin_override_options): Add.
2321 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2322 (darwin_kextabi_p): Add.
2323 (darwin_override_options): Add.
2324 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2325 __DYNAMIC__ and __STATIC__ here.
2327 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2329 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2330 Added mention of "make pdf" target, and Texinfo requirements for
2333 2006-10-16 DJ Delorie <dj@redhat.com>
2335 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2336 into the GOT in case we need a subreg of the address.
2338 2006-10-16 Richard Guenther <rguenther@suse.de>
2341 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2342 SSE builtin documentation. Document SSE2 builtins.
2344 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2346 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2347 symbol in the output file for non-shared links when -nostdlib or
2348 -nodefaultlibs isn't specified.
2350 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2351 posix thread support.
2353 2006-10-15 Jan Hubicka <jh@suse.cz>
2356 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2357 declared always_inline even when not inlining.
2359 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2360 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2361 Andrew Pinski <pinskia@gmail.com>
2364 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2366 2006-10-15 Jan Hubicka <jh@suse.cz>
2367 Richard Guenther <rguenther@suse.de>
2370 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2371 process_function_and_variable_attributes on all variables, including
2372 those discovered during cgraph construction phase.
2374 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2376 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2378 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2380 * config/i386/athlon.md (athlon_fist): Add fisttp.
2382 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2383 Ian Lance Taylor <ian@airs.com>
2386 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2387 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2390 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2392 * config/score/score.c, config/score/score.h: Fix comment
2395 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2398 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2401 2006-10-13 Eric Christopher <echristo@apple.com>
2403 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2405 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2408 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2409 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2410 alignment supported by 32-bit ELF.
2412 2006-10-13 Eric Christopher <echristo@apple.com>
2414 * config/darwin.c (darwin_emit_unwind_label): Strip
2415 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2417 2006-10-13 Richard Guenther <rguenther@suse.de>
2419 PR tree-optimization/29446
2420 * tree-vrp.c (fix_equivalence_set): Remove.
2421 (extract_range_from_assert): Do not call fix_equivalence_set.
2422 (debug_value_range): Print a newline.
2423 (compare_name_with_value): For equivalence sets with
2424 inconsistent value ranges conservatively bail out.
2425 (compare_names): Likewise.
2427 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2429 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2430 and MPFR for gfortran.
2432 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2434 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2435 alignment supported by 32-bit ELF.
2437 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2441 * c-typeck.c (digest_init): Always allow initializing vectors
2442 that have static storage duration with compound literals.
2443 * tree.c (build_type_attribute_qual_variant): New, based on
2444 build_type_attribute_variant.
2445 (build_type_attribute_variant): Rewrite using the former.
2446 (make_vector_type): Use build_type_attribute_qual_variant to build
2447 type variants. Use type_hash_canon on the others.
2449 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2450 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2452 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2454 2006-10-12 Jan Hubicka <jh@suse.cz>
2457 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2458 current_function_decl is set but current_function_scope is not.
2460 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2462 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2463 emit_insn to emit eh_return_internal instruction.
2464 (eh_return_internal): Explicitly set pc.
2466 2006-10-11 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/28230
2469 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2470 to the correct place.
2472 2006-10-11 Richard Guenther <rguenther@suse.de>
2475 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2478 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2480 * configure.ac: Added pdf to "Make-hooks"
2481 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2482 targets and *.pdf file patterns in cleanup targets.
2483 * configure: Regenerated.
2485 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2487 * config/avr/predicates.md: New file.
2488 * config/avr/avr.md: Include it.
2489 (REG_SP): New constant.
2490 (peepholes): Use predicates.
2491 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2492 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2493 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2495 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2497 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2500 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2503 * builtins.c (var_decl_component_p): New function.
2504 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2505 single entry optimization to variables and components thereof.
2507 2006-10-10 Richard Guenther <rguenther@suse.de>
2509 PR rtl-optimization/29323
2510 * except.c (set_nothrow_function_flags): For functions
2511 that do not bind local bail out early.
2513 2006-10-10 Ben Elliston <bje@au.ibm.com>
2515 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2518 2006-10-09 Richard Henderson <rth@redhat.com>
2520 Revert emutls patch.
2522 2006-10-09 Richard Guenther <rguenther@suse.de>
2525 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2528 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2531 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2532 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2533 * configure: Regenerate.
2534 * config.in: Regenerate.
2536 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2538 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2540 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2542 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2543 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2544 Remove stray newline.
2546 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2548 * config/mips/mips.c (mips_classify_symbol): Do not return
2549 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2550 (mips_in_small_data_p): Tweak comments.
2552 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2554 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2556 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2558 * gimplify.c, sched-int.h: Fix comment typos.
2560 * sched-int.h: Fix comment typos.
2562 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2564 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2566 * sched-ebb.c (begin_schedule_ready): Use them.
2567 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2568 add_to_speculative_block, create_check_block_twin, speculate_insn,
2569 fix_jump_move, move_block_after_check): Ditto.
2570 * sched-rgn.c (new_ready): Ditto.
2572 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2574 PR rtl-optimization/29128
2575 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2576 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2577 allow interblock movement of speculation checks.
2579 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2582 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2583 casted to integer type.
2584 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2585 if they are significantly more expensive than [reg + index] ones.
2587 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2589 PR tree-optimization/29330
2590 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2591 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2592 on newly allocated ddrs.
2593 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2594 to VEC (loop_p, heap) pointer.
2595 (compute_data_dependences_for_loop): Adjust caller.
2596 (free_dependence_relations): Free DDR_LOOP_NEST.
2598 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2599 free DEPENDENCE_RELATIONS and DATAREFS.
2602 * builtins.c (expand_builtin_sync_operation,
2603 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2604 Use convert_to_mode to handle promoted arguments.
2606 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2608 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2610 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2612 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2614 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2616 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2617 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2618 Use <modeconstraint> instead of "r" as operand 1 constraint.
2620 2006-10-06 Olivier Hainque <hainque@adacore.com>
2622 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2623 Don't recurse on the pointed-to type.
2624 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2625 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2626 types with components of variable size.
2628 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2630 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2632 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2634 PR tree-optimization/29290
2635 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2639 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2640 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2643 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2644 the number of vector elements fill the rest with zeros.
2646 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2648 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2649 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2652 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2654 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2655 unnamed pattern into subsi3. Use correct constraints/predicates.
2656 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2657 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2659 2006-10-05 Ira Rosen <irar@il.ibm.com>
2661 * doc/loop.texi: Add data references analysis description.
2663 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2665 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2667 2006-10-04 Richard Henderson <rth@redhat.com>
2668 Jakub Jelinek <jakub@redhat.com>
2670 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2671 * builtin-types.def (BT_WORD): Make unsigned.
2672 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2673 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2674 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2675 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2676 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2677 * cgraph.c (decide_is_variable_needed): Look at force_output.
2678 Recurse for emulated tls.
2679 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2680 checks redundant with decide_is_variable_needed.
2681 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2682 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2684 * expr.c (emutls_var_address): New.
2685 (expand_expr_real_1): Expand emulated tls.
2686 (expand_expr_addr_expr_1): Likewise.
2687 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2688 * output.h (emutls_finish): Declare.
2689 * toplev.c (compile_file): Call it.
2690 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2691 address before wrapping in CONST.
2692 * varasm.c (emutls_htab, emutls_object_type): New.
2693 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2694 (get_emutls_object_name, get_emutls_object_type): New.
2695 (get_emutls_init_templ_addr, emutls_decl): New.
2696 (emutls_common_1, emutls_finish): New.
2697 (assemble_variable): When emulating tls, swap decls; generate
2698 constructor for the emutls objects.
2699 (do_assemble_alias): When emulating tls, swap decl and target name.
2700 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2702 * emutls.c: New file.
2703 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2704 tls_object for real tls.
2706 2006-10-04 Zack Weinberg <zackw@panix.com>
2708 Fix bug in constraint-check generator, reported by Rask Ingemann
2710 * genpreds.c (add_constraint): Don't remove anything from the
2712 (write_tm_constrs_h): Detect whether "op" argument is used, and
2713 mark it ARG_UNUSED if it isn't.
2714 (write_insn_const_int_ok_for_constraint): Skip the part of the
2715 expression that would test whether "op" (which is not available
2716 here) is a CONST_INT.
2718 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2721 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2723 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2725 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2726 current Leopard versions.
2727 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2729 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2731 * doc/install.texi: Fix typos.
2733 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2735 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2736 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2737 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2739 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2741 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2742 arg to be struct mach_header_64* instead.
2744 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2747 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2748 side effects after the outer expression's post side effects.
2750 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2752 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2753 comments to reflect actual behavior and relationship between
2754 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2756 * doc/c-tree.texi (Working with declarations): Fix documentation
2757 of FIELD_DECL likewise.
2759 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2762 * doc/extend.texi: Add used variable attribute description.
2764 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2767 * c.opt (Woverride-init): New.
2768 * c-opts.c (c_common_post_options): Default warn_override_init to
2770 * c-typeck.c (add_pending_init, output_init_element): Warn for
2771 overriding initializers without side effects.
2772 * doc/invoke.texi (-Woverride-init): Document.
2775 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2777 PR rtl-optimization/28096
2778 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2779 assignment has already been used as a destination earlier in the block.
2781 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2783 * builtins.c (expand_builtin_setjmp): Delete.
2784 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2785 <BUILT_IN_SETJMP_SETUP>: New case.
2786 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2787 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2788 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2789 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2790 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2791 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2792 (lower_function_body): Initialize it to false. If it is set to true
2793 at the end of the processing, emit the setjmp dispatcher.
2794 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2795 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2796 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2797 on the rhs of the assignment.
2798 (lower_builtin_setjmp): New function.
2799 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2800 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2801 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2802 to detect calls that can go to non-local labels. Use specific
2803 helper to create the abnormal edges associated with them.
2804 <MODIFY_EXPR>: Likewise.
2805 (make_abnormal_goto_edges): New function extracted from...
2806 (make_goto_expr_edges): ...here. Call it for computed gotos.
2807 (simple_goto_p): Minor tweak.
2808 (tree_can_make_abnormal_goto): New predicate.
2809 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2810 (tree_purge_dead_abnormal_call_edges): New function.
2811 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2812 (tree_purge_dead_abnormal_call_edges): Likewise.
2813 (make_abnormal_goto_edges): Likewise.
2814 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2815 Purge all dead abnormal edges if the call was in the last statement.
2816 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2817 (execute_fixup_cfg): If there are non-local labels in the function,
2818 scan the basic blocks and split them at calls that can go to non-local
2819 labels or add missing abnormal call edges. Write down the CFG in the
2821 (pass_fixup_cfg): Remove TODO_dump_func flag.
2822 * unwind-sjlj.c: Poison setjmp.
2823 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2824 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2825 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2826 (DONT_USE_BUILTIN_SETJMP): Document it.
2828 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2831 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2832 to 1 when __ppc64__ is defined.
2833 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2835 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2837 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2839 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2840 * config/ia64/unwind-hpux.c: Delete.
2842 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2844 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2845 on the element before gimplifying it, instead of punting if it is of
2848 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2850 * doc/loop.texi: New file.
2851 * doc/gccint.texi: Reference loop.texi.
2852 * Makefile.in (loop.texi): Add.
2854 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2856 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2858 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2859 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2861 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2863 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2865 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2867 * doc/install.texi: Document required versions of GMP and MPFR.
2869 2006-09-27 Paul Brook <paul@codesourcery.com>
2872 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2874 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2876 * reload1.c (alter_reg): Require the alignment of the stack slot to
2877 be at least reg_max_ref_width bytes.
2878 (scan_paradoxical_subregs): Record the largest width in
2881 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2885 * tree-nested.c (struct nesting_info): Added static_chain_added.
2886 (convert_call_expr): Set static_chain_added when adding static
2887 chain. Handle OMP_PARALLEL and OMP_SECTION.
2889 2006-09-25 Matthias Klose <doko@debian.org>
2891 * doc/invoke.texi: Add missing full stop.
2893 2006-09-25 Richard Henderson <rth@redhat.com>
2895 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2896 before cgraph_function_flags_ready.
2898 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2899 Adam Nemet <anemet@caviumnetworks.com>
2901 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2902 determine_common_wider_type): New functions.
2903 (get_computation_aff): Use them to simplify arithmetic between
2904 UBASE and CBASE if they are shortened from the same type.
2906 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2909 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2910 -2147483647 - 1 instead of 0x80000000.
2912 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2914 * flags.h (HONOR_NANS): Fix typo in comment.
2916 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2918 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2920 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2924 * tree.c (merge_attributes, attribute_list_contained): If both
2925 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2927 * c-typeck.c (comptypes_internal): Don't consider aggregates
2928 in different TUs as compatible if there one set of attributes is
2929 not a subset of the other type's attributes.
2930 (composite_type): Try harder not to create a new aggregate type.
2932 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2934 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2935 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2936 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2937 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2938 than replicating condition above.
2939 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2941 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2942 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2943 the linker by default.
2945 2006-09-22 Mike Stump <mrs@apple.com>
2947 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2950 2006-09-22 Richard Guenther <rguenther@suse.de>
2953 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2954 sort of stack variables stable.
2956 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2959 * explow.c (force_reg): Set REG_POINTER flag according to
2962 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2964 PR tree-optimization/28888
2965 * tree-if-conv.c (combine_blocks): Rewritten.
2966 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2967 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2969 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2971 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2974 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2976 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2978 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2980 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2982 2006-09-21 Roger Sayle <roger@eyesopen.com>
2985 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2986 dw_fde_current_label, to be the start of the function, i.e. the same
2987 value as dw_fde_begin.
2989 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2991 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2992 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2993 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2994 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2995 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2996 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2997 (abs<mode>2, neg<mode>2): Likewise.
2998 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2999 (*mips_abs_ps): New define_insn.
3001 2006-09-20 Josh Conner <jconner@apple.com>
3004 * calls.c (expand_call): Allow reuse of structure return stack
3007 2006-09-20 Paul Brook <paul@codesourcery.com>
3009 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3012 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3014 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3015 clean up terminology.
3017 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3020 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3021 with tablejumps in them.
3023 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3026 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3027 wrap it into TARGET_EXPR.
3029 2006-09-20 Eric Christopher <echristo@apple.com>
3031 * config/i386/i386.c (x86_fisttp): Remove.
3032 * config/i386/i386.h (x86_fisttp): Ditto.
3033 (TARGET_FISTTP): Ditto.
3035 2006-09-19 Eric Christopher <echristo@apple.com>
3037 * doc/tm.texi (OBJC_JBLEN): Describe.
3038 * config/i386/darwin.h (OBJC_JBLEN): Define.
3039 * config/rs6000/darwin.h: Ditto.
3041 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3043 PR rtl-optimization/21299
3044 * reload1.c (reload): Purge invalid ASMs in the final pass.
3046 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3049 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3050 pointers as legitimate constants.
3052 2006-09-19 Paul Brook <paul@codesourcery.com>
3055 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3057 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3059 PR tree-optimization/28887
3060 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3061 component parts from the reference.
3062 (gather_memory_references_ref): Record the reference without the
3063 nonaddressable component parts.
3065 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3068 * c-opts.c (c_common_handle_option): Ignore the -std options
3069 if the input language is assembly.
3071 2006-09-17 Ira Rosen <irar@il.ibm.com>
3074 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3076 (ptr_ptr_may_alias_p): Likewise.
3077 (record_record_differ_p): New function.
3078 (base_object_differ_p): Call record_record_differ_p.
3080 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3083 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3084 away for the expr argument.
3086 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3089 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3090 before using it for dumping after vectorizing loops.
3092 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3093 Jack Howarth <howarth@bromo.med.uc.edu>
3096 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3097 skip on error_mark_node.
3098 (rs6000_darwin64_record_arg_recurse): Likewise.
3100 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3102 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3103 * doc/rtl.texi: Remove related documentation.
3105 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3107 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3110 2006-09-15 Jim Wilson <wilson@specifix.com>
3112 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3113 Handle symbol offsets same as they are handled in ia64_expand_move
3116 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3118 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3119 Add forgotten parameter to the fprintf call.
3121 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3123 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3125 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3127 * doc/contrib.texi: Add my entry.
3129 2006-09-15 Nick Clifton <nickc@redhat.com>
3131 * doc/md.texi (Processor pipeline description): Fix typo in
3132 example of how to use the absence_set directive and reword the
3133 description to make it slightly easier to read.
3135 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3137 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3138 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3139 expanding the number of iterations.
3140 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3142 * cfgrtl.c (emit_insn_at_entry): New function.
3143 * rtl.h (emit_insn_at_entry): Declare it.
3144 * integrate.c (emit_initial_value_sets): Use it.
3146 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3148 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3150 (struct loop_work and related VEC declarations): Delete.
3151 (bfin_dump_loops): Print out new member bad.
3152 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3153 (bfin_scan_loop): Don't recurse.
3154 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3155 loops. No longer need to update outer loops if the current one is
3156 found bad. Move some validitiy checks to bfin_discover_loop.
3157 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3158 but changed not to check for nesting. Also changed to use the new bad
3160 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3161 time. Use bitmap based test to discover loop nesting.
3163 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3165 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3168 2006-09-14 Richard Guenther <rguenther@suse.de>
3169 Kazu Hirata <kazu@codesourcery.com>
3171 PR middle-end/28884.
3172 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3173 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3174 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3175 with TARGET_FUNCTION_VALUE.
3177 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3180 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3182 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3184 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3187 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3190 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3193 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3195 * basic_block.h (bb_has_eh_pred): Fix comment.
3197 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3199 * flow.c (calculate_global_regs_live): Invalidate eh registers
3200 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3201 (propagate_block): Handle eh registers as if they were set at basic
3203 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3205 * global.c (global_conflicts): Make eh registers to conflict with
3206 pseudos live at basic block begin.
3207 * basic_block.h (bb_has_eh_pred): New function.
3209 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3211 PR rtl-optimization/28982
3212 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3213 index of a PRE_MODIFY or POST_MODIFY address.
3214 * reload1.c (inc_for_reload): Use find_replacement on the original
3215 base and index registers.
3217 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3219 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3220 for -Os. Update __m128 alignment requirement.
3222 2006-09-13 Jan Hubicka <jh@suse.cz>
3224 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3226 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3228 PR rtl-optimization/28243
3229 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3230 the insn to which the note was originally attached.
3232 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3233 Roger Sayle <roger@eyesopen.com>
3235 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3236 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3237 on platforms that don't use dwarf for debug info.
3239 2006-09-12 Jason Merrill <jason@redhat.com>
3242 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3243 hard_frame_pointer_rtx after using it to update the frame pointer.
3245 2006-09-12 Roger Sayle <roger@eyesopen.com>
3247 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3248 (TARGET_ASM_CLOSE_PAREN): Likewise.
3249 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3250 (TARGET_ASM_CLOSE_PAREN): Likewise.
3252 2006-09-12 Roger Sayle <roger@eyesopen.com>
3255 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3256 frame information for frames larger than 512 Kbytes on Tru64 when
3257 using the native assembler.
3259 2006-09-12 Roger Sayle <roger@eyesopen.com>
3263 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3264 and symbols. Instead use the implementation from cse.c's hash_rtx.
3266 2006-09-12 Jan Hubicka <jh@suse.cz>
3268 PR rtl-optimization/28071
3269 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3270 (vect_transform_loop): Likewise.
3271 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3272 (new_loop_vec_info): Likewise.
3273 (destroy_loop_vec_info): Likewise.
3274 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3275 (create_stmt_ann): Likewise.
3276 (create_tree_ann): Rename to ...
3277 (create_tree_common_ann): ... this one; allocate only the common part
3279 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3280 (get_value_handle): Likewise.
3281 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3282 get_tree_common_ann.
3283 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3284 (vinfo_for_stmt): Use stmt annotations.
3285 * tree-flow.h (tree_ann_common_t): New type.
3286 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3287 (tree_ann, get_tree_ann, create_tree_ann): New.
3288 * tree-flow-inline.h (get_function_ann): Do more type checking.
3289 (stmt_ann): Likewise.
3290 (tree_ann): Rename to ...
3291 (tree_common_ann): ... this one; return ony common_ann
3292 (get_tree_ann): Rename to ...
3293 (tree_common_ann): This one; return only common_ann.
3294 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3297 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3299 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3300 with_cpu by default.
3302 * dwarf2out.c (dwarf_file_data): New.
3303 (enum dw_val_class): Add dw_val_class_file.
3304 (struct dw_val_struct): Add val_file.
3305 (file_table): Change to a hash table.
3306 (file_table_emitted): Delete.
3307 (file_table_last_lookup_index): Delete.
3308 (emitcount): Delete.
3309 (last_emitted_file): New.
3310 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3311 (init_file_table): Delete.
3312 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3313 (AT_addr): Add comment.
3317 (print_die): Handle dw_val_class_file.
3318 (print_dwarf_line_table): Update for new file table structure.
3319 (attr_checksum): Do checksum a filename.
3320 (same_dw_val_p, same_attr_p): Do compare a filename.
3321 (size_of_die): Handle dw_val_class_file.
3322 (value_format): Likewise.
3323 (output_die): Likewise. Also, call maybe_emit_file here.
3324 (struct file_info): Constify filenames. Make file_idx a pointer
3325 to a struct dwarf_file_data.
3326 (struct dir_info): Constify directory names. Remove 'used' field.
3327 (struct file_name_acquire_data): New.
3328 (file_name_acquire): New.
3329 (output_file_names): Modify to handle new file data structures.
3330 (add_src_coords_attributes): Use add_AT_file.
3331 (add_call_src_coords_attributes): Likewise.
3332 (dwarf2out_imported_module_or_decl): Likewise.
3333 (gen_subprogram_die): Modify for new file data structures.
3334 (gen_variable_die): Likewise.
3335 (file_table_eq): New.
3336 (file_table_hash): New.
3337 (file_table_last_lookup): New.
3338 (lookup_filename): Rewrite to handle new file data structures.
3339 (maybe_emit_file): Rewrite to handle new file data structures.
3340 (dwarf2out_source_line): Always call lookup_filename and
3342 (dwarf2out_init): Create file_table here.
3343 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3344 (file_table_relative_p): New.
3345 (dwarf2out_finish): Change detection of relative filenames
3346 to work with new file data structures. Move output_line_info call
3347 after debug_info output.
3349 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3354 * config/i386/i386.c (override_options): Always default to 16
3355 byte stack boundary.
3357 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3360 * var-tracking.c (dump_dataflow_set): Start dumping at
3362 (clobber_variable_part): Kill only the variable part in
3363 registers holding it, leaving other variables alone.
3365 2006-09-11 Josh Triplett <josh@freedesktop.org>
3367 * doc/extend.texi (Other Builtins): Actually use the macro
3368 argument in the documentation example for
3369 __builtin_types_compatible_p.
3371 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3373 PR rtl-optimization/28726
3374 * sched-deps.c (sched_analyze_reg): New function extracted from...
3375 (sched_analyze_1): ...here. Call it to analyze references to
3376 registers. Treat again writes to a stack register as writing to the
3378 (sched_analyze_2): ...and here. Call it to analyze references to
3379 registers. Treat again reads of a stack register as reading the
3382 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3383 David Edelsohn <edelsohn@gnu.org>
3386 * config/rs6000/spe.md (frob_df_di): Remove %H.
3387 (frob_di_df): Remove %H. Change evmergelo to mr.
3388 (frob_di_df_2): Remove %H. Change evldd to two loads.
3390 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3392 * doc/cpp.texi: Fix names of charset options.
3394 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3397 * config/i386/i386.c (override_options): Use 128-bit
3398 stack boundary always for 64bits.
3400 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3402 PR rtl-optimization/28636
3403 * combine.c (force_to_mode): Test for side-effects before
3404 substituting by zero.
3405 (simplify_shift_const): Likewise for zero or other constants.
3407 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3410 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3413 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3416 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3417 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3418 returned by mode_for_size, rather than the mode of src itself,
3419 to choose between 32-bit and 64-bit patterns.
3420 (mips_mem_fits_mode_p): New function.
3421 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3422 that the size of the source matches the size of the destination.
3423 (mov_<store>l, mov_<store>r): Likewise.
3425 2006-09-10 Eric Christopher <echristo@apple.com>
3427 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3430 2006-09-09 Eric Christopher <echristo@apple.com>
3433 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3436 2006-09-09 Roger Sayle <roger@eyesopen.com>
3437 Nicolas Setton <setton@adacore.com>
3439 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3441 2006-09-10 Andreas Schwab <schwab@suse.de>
3443 * config/m68k/m68k.md (bungt_rev): New pattern.
3445 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3446 Dale Johannesen <dalej@apple.com>
3449 * regclass.c (struct reg_pref): Update documentation.
3450 (regclass): Set prefclass to NO_REGS if memory is the best option.
3451 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3453 2006-09-08 Eric Christopher <echristo@apple.com>
3455 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3456 * config/t-slibgcc-darwin: Support x86_64 multilib.
3457 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3458 Return 1 for x86_64-darwin.
3459 * config/i386/t-darwin: Add m64 multilib.
3460 (LIB2_SIDITI_CONV_FUNCS): Use.
3461 (LIB2FUNCS_EXTRA): Ditto.
3462 * config/i386/darwin.h: Support x86_64.
3463 * config/i386/i386.c (override_options): Turn on flag_pic
3464 for x86_64-darwin. Disable flag_omit_pointer.
3465 (get_pc_thunk_name): Assert !TARGET_64BIT.
3466 (legitimate_address_p): Disable machopic addressing for
3468 (legitimize_pic_address): Ditto.
3469 (ix86_expand_move): Ditto.
3470 (ix86_expand_call): Ditto.
3471 (machopic_output_stub): Ditto.
3472 * config/darwin.c (machopic_select_section): Support literal16.
3473 (machopic_select_rtx_section): Ditto.
3474 * config/darwin-sections.def: Ditto.
3475 * config/darwin-64.c: New.
3477 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3480 * c-tree.h (struct c_arg_info): Add pending_sizes.
3481 * c-parser.c (c_parser_parms_declarator,
3482 c_parser_parms_list_declarator): Initialize pending_sizes.
3483 * c-decl.c (get_parm_info): Initialize pending_sizes.
3484 (get_parm_info): Set pending_sizes.
3485 (grokdeclarator): Call put_pending_sizes for parameters for
3486 function definition only.
3488 2006-09-07 Jason Merrill <jason@redhat.com>
3491 * varasm.c (output_constant): Only strip actual no-op conversions.
3494 * config/i386/i386.c (override_options): Use 128-bit
3495 stack boundary if -msse.
3497 2006-09-07 Eric Christopher <echristo@apple.com>
3499 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3501 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3504 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3506 * dwarf2out.c: Remove strange characters from comment above
3507 dwarf2out_frame_debug_expr.
3509 2006-09-07 Eric Christopher <echristo@apple.com>
3511 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3512 * config/darwin.h: ... to here.
3514 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3516 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3518 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3519 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3521 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3522 TARGET_PARTIAL_FLAG_REG_STALL.
3523 (*ashldi3_cconly_rex64): Likewise.
3524 (*ashlsi3_cmp): Likewise.
3525 (*ashlsi3_cconly): Likewise.
3526 (*ashlsi3_cmp_zext): Likewise.
3527 (*ashlhi3_cmp): Likewise.
3528 (*ashlhi3_cconly): Likewise.
3529 (*ashlqi3_cmp): Likewise.
3530 (*ashlqi3_cconly): Likewise.
3531 (*ashrdi3_cmp_rex64): Likewise.
3532 (*ashrdi3_cconly_rex64): Likewise.
3533 (*ashrsi3_cmp): Likewise.
3534 (*ashrsi3_cconly): Likewise.
3535 (*ashrsi3_cmp_zext): Likewise.
3536 (*ashrhi3_cmp): Likewise.
3537 (*ashrhi3_cconly): Likewise.
3538 (*ashrqi3_cmp): Likewise.
3539 (*ashrqi3_cconly): Likewise.
3540 (*lshrdi3_cmp_rex64): Likewise.
3541 (*lshrdi3_cconly_rex64): Likewise.
3542 (*lshrsi3_cmp): Likewise.
3543 (*lshrsi3_cconly): Likewise.
3544 (*lshrsi3_cmp_zext): Likewise.
3545 (*lshrhi3_cmp): Likewise.
3546 (*lshrhi3_cconly): Likewise.
3547 (*lshrqi2_cmp): Likewise.
3548 (*lshrqi2_cconly): Likewise.
3550 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3553 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3554 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3555 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3556 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3557 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3558 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3559 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3560 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3561 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3562 implement only CC setting effects of shift instructions.
3564 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3566 * doc/contrib.texi: Add myself.
3568 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3571 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3572 was set by the user.
3574 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3577 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3578 (divsi_inv_m1): Use them.
3579 (UNSPEC_DIV_INV_TABLE): New constant.
3581 2006-09-06 James E Wilson <wilson@specifix.com>
3584 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3585 then call count_or_remove_death_notes.
3587 2006-09-06 Jason Merrill <jason@redhat.com>
3590 * tree-inline.c (copy_result_decl_to_var): New fn.
3591 (declare_return_variable): Use it. Call declare_inline_vars here.
3592 (expand_call_inline): Not here.
3594 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3596 * doc/contrib.texi: Update my entry.
3598 2006-09-06 Nick Clifton <nickc@redhat.com>
3600 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3602 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3605 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3606 (canonicalize_induction_variables): Likewise.
3607 (tree_unroll_loops_completely): Likewise.
3608 (tree_ssa_prefetch_arrays): Likewise.
3609 (remove_empty_loops): Likewise.
3610 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3611 TODO_cleanup_cfg instead of directly calling
3612 cleanup_tree_cfg_loop.
3613 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3615 (tree_unroll_loops_completely): Likewise.
3616 (remove_empty_loops): Likewise.
3617 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3618 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3619 of tree_ssa_unswitch_loops.
3620 (tree_ssa_loop_ivcanon): Use the return value of
3621 canonicalize_induction_variables.
3622 (tree_ssa_empty_loop): Use the return value of
3624 (tree_complete_unroll): Use the return value of
3625 tree_unroll_loops_completely.
3626 (tree_ssa_loop_prefetch): Use the return value of
3627 tree_ssa_prefetch_arrays.
3628 * passes.c (execute_todo): Before Cleanup CFG, set
3629 updating_used_alone and after cleanup CFG, call
3630 recalculate_used_alone.
3632 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3635 * tree-vect-transform.c (vectorizable_condition): Move the check
3636 for the type after the check for simple condition.
3638 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3639 Kaz Kojima <kkojima@gcc.gnu.org>
3642 * mode-switching.c (optimize_mode_switching): Make the destination
3643 block of an abnormal edge have no anticipatable mode. Don't
3644 insert mode switching code at the end of the source block of
3647 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3649 PR rtl-optimization/26847
3650 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3651 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3652 (simplify_plus_minus): Count n_constants while filling ops. Replace
3653 qsort with insertion sort. Before going through the array to simplify
3654 pairs, sort it. Delay early exit until after the first sort, exiting
3655 only if no swaps occurred. Simplify pairs in reversed order, without
3656 special-casing the first iteration. Pack ops after simplifying pairs.
3658 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3660 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3661 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3662 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3663 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3665 2006-09-05 Richard Guenther <rguenther@suse.de>
3667 PR tree-optimization/28900
3668 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3669 compound conditional before creating COND_EXPR condition.
3671 2006-09-05 Richard Guenther <rguenther@suse.de>
3673 PR tree-optimization/28905
3674 * tree-vrp.c (fix_equivalence_set): Manually implement
3675 !value_ranges_intersect_p to also handle symbolic ranges.
3677 2006-09-05 Richard Guenther <rguenther@suse.de>
3680 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3683 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3685 PR rtl-optimization/27616
3686 * cse.c (table_size): New static variable.
3687 (new_basic_block): Initialize it to 0.
3688 (remove_from_table): Decrement it.
3689 (insert): Increment it.
3690 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3691 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3692 fold_rtx_mem_1 if under the cap.
3693 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3694 the lookup of the equivalent expression and test for equality of the
3695 first operand of the equivalent expression before in turn looking up
3696 an equivalent constant for the second operand.
3698 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3701 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3702 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3703 pointer, instead of assuming it is possible to derive the
3704 correct args size from a call insn.
3706 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3709 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3710 (fold_builtin_mempcpy): Rename to...
3711 (fold_builtin_memory_op): ... this. Optimize one element copy
3713 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3715 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3716 (expand_builtin_memcpy, expand_builtin_mempcpy,
3717 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3718 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3719 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3720 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3722 2006-09-01 DJ Delorie <dj@redhat.com>
3724 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3725 (stzx_16): Likewise.
3726 ("stzx_24_<mode>"): Likewise.
3727 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3728 ("cmp<mode>_op"): New.
3729 (cmp<mode>): Change to expander; just save operands.
3731 (b<code>): Change to expander, emit compare here.
3732 (s<code>_op): Change to use split and expander.
3733 (s<code>_24_op): Likewise.
3734 (s<code>_<mode>): New.
3735 (s<code>_<mode>_24): New.
3736 (movqicc_<code>_<mode): New.
3737 (movhicc_<code>_<mode>): New.
3740 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3741 (m32c_pend_compare): New.
3742 (m32c_unpend_compare): New.
3743 (m32c_expand_scc): New.
3744 (m32c_expand_movcc): Emit the compare also.
3745 * config/m32c/predicates.md (mra_nopp_operand): New.
3747 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3748 Richard Guenther <rguenther@suse.de>
3749 Adam Nemet <anemet@caviumnetworks.com>
3752 * builtins.c (get_pointer_alignment): Handle more forms
3753 of base addresses that can be used to derive more precise
3754 information about alignment.
3756 2006-09-01 Jason Merrill <jason@redhat.com>
3759 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3762 * gimplify.c (voidify_wrapper_expr): Handle null type.
3764 2006-09-01 Josh Conner <jconner@apple.com>
3767 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3768 (execute_return_slot_opt): Use it.
3770 2006-08-31 Josh Conner <jconner@apple.com>
3773 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3774 returning aggregates.
3776 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3778 PR tree-optimization/28839
3779 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3780 blocks in that phi arguments appear.
3782 2006-08-31 Roger Sayle <roger@eyesopen.com>
3785 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3786 NULL, otherwise use an advance_loc4 to adjust relative to the
3788 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3789 (dwarf2out_switch_text_section): Reset the current label to avoid
3790 using advance_loc4 over section boundaries.
3792 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3795 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3796 r12 + SYMBOLIC_CONST.
3798 2006-08-30 Richard Guenther <rguenther@suse.de>
3800 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3802 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3804 PR rtl-optimization/27735
3805 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3806 Add new argument to keep track of whether an irreducible region
3807 was affected. All callers changed.
3808 (fix_irreducible_loops): Removed.
3809 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3810 flags were invalidated.
3812 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3814 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3815 instead of SF operands.
3816 (*fop_df_comm_sse): Likewise.
3817 (*fop_df_comm_i387): Likewise.
3818 (*fop_df_1_mixed): Likewise.
3819 (*fop_df_1_sse): Likewise.
3821 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3822 J"orn Rennecke <joern.rennecke@st.com>
3824 PR tree-optimization/17506
3825 * tree-ssa.c (warn_uninit): If warning about a location outside of
3826 the current function, note where the variable was declared.
3828 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3830 PR tree-optimization/28411
3831 * double-int.c (double_int_div): Use double_int_divmod.
3832 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3833 double_int_mod, double_int_smod, double_int_umod): New functions.
3834 * double-int.h (double_int_divmod, double_int_sdivmod,
3835 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3837 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3839 (get_computation_aff, get_computation_cost_at): Handle double_int
3840 return type of constant_multiple_of.
3842 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3845 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3846 an implicit conversion.
3848 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3850 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3852 2006-08-27 Roger Sayle <roger@eyesopen.com>
3854 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3857 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3859 * config/i386/crtfastmath.c: Fix a comment typo.
3861 2006-08-26 Roger Sayle <roger@eyesopen.com>
3863 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3864 temporary visit flags on CASE_LABEL_EXPRs.
3865 * c-common.c (match_case_to_enum): Add function comment. Avoid
3866 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3867 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3868 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3869 a constant, only warn if that constant value isn't handled.
3871 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3874 * input.h (restore_input_file_stack): Declare.
3875 (INPUT_FILE_STACK_BITS): Define.
3876 * toplev.c (fs_p, input_file_stack_history,
3877 input_file_stack_restored, restore_input_file_stack): New.
3878 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3879 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3880 (pop_srcloc): Don't free old state of stack.
3882 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3885 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3886 (PowerPC Type Attributes): New.
3888 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3890 * config/xtensa/xtensa.c (function_arg_boundary): New.
3891 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3893 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3894 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3896 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3899 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3902 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3904 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3905 (verify_local_live_at_start): Likewise.
3907 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3910 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3911 omp_add_variable): Treat sizes as variable whenever not
3914 2006-08-26 Richard Guenther <rguenther@suse.de>
3917 * fold-const.c (fold_binary): Fold temporary to correct
3918 type before constructing new comparison.
3920 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3923 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3924 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3926 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3929 * c-decl.c (start_function): Don't try to process prototype
3930 information from old declaration that isn't a function.
3932 2006-08-25 Jan Hubicka <jh@suse.cz>
3935 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3937 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3940 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3943 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3945 PR tree-optimization/16876
3946 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3947 exit if PARM doesn't match VALUE.
3949 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3951 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3952 literal_prefix directive.
3953 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3954 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3955 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3957 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3960 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3961 predicate to general_operand. Add 0->y and I->r alternatives.
3963 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3965 * doc/tm.texi: Fix a typo.
3966 * predict.c: Fix comment typos.
3968 2006-08-25 Nick Clifton <nickc@redhat.com>
3970 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3971 assertions of "cpu" and "machine".
3973 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3976 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3977 the access through a base which has an alias set of 0 cannot
3980 2006-08-24 Bill Wendling <wendling@apple.com>
3982 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3984 2006-08-24 Jan Hubicka <jh@suse.cz>
3986 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3988 2006-08-24 Jan Hubicka <jh@suse.cz>
3991 * cgraph.c: Fix comments.
3992 (cgraph_varpool_mark_needed_node): Mark only variables not already
3994 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3995 (cgraph_varpool_assembled_nodes_queue): New static variable.
3996 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3997 (cgraph_varpool_output_debug_info): New function.
3998 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3999 * Makefile.in: Add gt-cgraphunit.h
4001 2006-08-24 Jan Hubicka <jh@suse.cz>
4003 * predict.c (probability_reliable_p): New predicate.
4004 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4005 (predict_loops): Do not predict loop exit with less than 2%
4007 * basic-block.h (edge_probability_reliable_p,
4008 br_prob_note_reliable_p): Declare.
4009 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4010 prediction when static predictor is not reliable.
4011 * rs6000.c (output_cbranch): Likewise.
4013 2006-08-23 Stuart Hastings <stuart@apple.com>
4016 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4017 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4019 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4022 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4023 complex values, nor for generic vector values.
4025 2006-08-22 Richard Guenther <rguenther@suse.de>
4028 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4029 parameter. Convert arguments to arithmetic expression to the
4031 (analyze_scalar_evolution_1): Adjust caller.
4033 2006-08-22 Jan Hubicka <jh@suse.cz>
4035 Patch by Paolo Bonzini
4036 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4039 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4041 PR tree-optimization/28003
4042 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4043 before grouping aliases.
4045 2006-08-22 Roger Sayle <roger@eyesopen.com>
4047 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4048 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4050 2006-08-21 Jason Merrill <jason@redhat.com>
4053 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4054 wrapper. Loop to handle nested wrappers.
4055 (gimplify_bind_expr): Remove temp parameter.
4056 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4057 and STATEMENT_LIST on the rhs.
4058 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4059 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4060 (gimplify_target_expr): Remove special BIND_EXPR handling.
4062 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4064 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4067 2006-08-21 Olivier Hainque <hainque@adacore.com>
4069 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4070 Arrange for the temporary captures of components overlapping the lhs
4071 to happen before the lhs is possibly cleared.
4073 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4075 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4076 necessary places to pass the correct "number of registers" values
4079 2006-08-20 Jan Hubicka <jh@suse.cz>
4081 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4082 (create_name_tags): Instead of quadratic checking use hashtable.
4083 * bitmap.h: Include hashtab.h.
4084 (bitmap_hash): Declare.
4085 * bitmap.c (bitmap_hash): New function.
4087 2006-08-20 Jan Hubicka <jh@suse.cz>
4089 PR rtl-optimization/28071
4090 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4092 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4093 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4094 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4095 cgraph_decide_inlining_incrementally): Update use of
4096 cgraph_check_inline_limits.
4097 * cgraph.c (edge_hash, edge_eq): New function.
4098 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4099 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4100 cgraph_remove_node): Maintain call site hash.
4101 * cgraph.h (struct cgraph_node): Add call_site_hash.
4102 (cgraph_set_call_stmt): New function.
4104 2006-08-20 Jan Hubicka <jh@suse.cz>
4106 PR rtl-optimization/28071
4107 * reload1.c (reg_has_output_reload): Turn into regset.
4108 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4109 choose_reload_regs, emit_reload_insns): Update to new
4110 reg_has_output_reload.
4112 2006-08-20 Jan Hubicka <jh@suse.cz>
4115 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4116 function body sizes.
4117 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4119 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4122 * tree.c (handle_dll_attribute): Return early if not a
4123 var or function decl.
4125 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4128 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4129 alignment of SPE vector types.
4131 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4133 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4135 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4138 * cgraph.h (struct cgraph_node): Remove externally_visible
4140 * cgraphunit.c (process_function_and_variable_attributes): Set
4141 local.externally_visible rather than externally_visible.
4144 * c-common.c (handle_externally_visible_attribute): First look
4145 at TREE_CODE and only if it is function or var decl, check for
4146 non-public objects. Don't warn for DECL_EXTERNAL.
4147 * cgraphunit.c (process_function_and_variable_attributes): Warn
4148 if externally_visible attribute is used on non-public object.
4150 2006-08-17 Jan Hubicka <jh@suse.cz>
4152 PR tree-optimization/27865
4153 * reload1.c (forget_marked_reloads): New function.
4154 (forget_old_reloads_1): When data are passed, just mark the registers
4156 (reload_as_needed): Use the new mechanizm.
4158 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4161 * reload.h (reg_equiv_alt_mem_list): New declaration.
4162 * reload1.c (reg_equiv_alt_mem_list): New definition.
4163 (reload): Initialize it and release it.
4164 (delete_output_reload): Use it.
4165 * reload.c (push_reg_equiv_alt_mem): New function.
4166 (find_reloads_toplev): Call it.
4167 (find_reloads_address, find_reloads_address_1): Likewise.
4168 (find_reloads_subreg_address): Likewise.
4170 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4172 PR rtl-optimization/28489
4173 * sched-ebb.c (begin_schedule_ready): Create basic block
4175 (advance_target_bb): Skip empty blocks.
4176 * haifa-sched.c (bb_note): Make global.
4177 * sched-int.h (bb_note): Add prototype.
4179 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4181 PR tree-optimization/27865
4182 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4184 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4185 fold_used_pointer, pointer_used_p): New functions.
4186 (analyze_scalar_evolution_1): Use fold_used_pointer.
4187 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4188 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4191 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4194 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4195 or the INTEGER_CST. Fail on a CALL_EXPR.
4196 (fold_offsetof): Pass new argument to fold_offsetof_1.
4197 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4198 operand into an INDIRECT_REF.
4199 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4201 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4203 PR gcov/profile/26570
4204 * value-prof.c (static_values): Removed.
4205 (tree_find_values_to_profile): Do not set static_values.
4206 (find_values_to_profile): Do not free static_values.
4207 * profile.c (instrument_values): Do not free the values.
4208 (branch_prob): Free the values.
4210 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4212 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4214 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4217 * c-typeck.c (build_component_ref): Combine qualifiers of
4218 structure or union and field.
4220 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4222 PR rtl-optimization/28071
4223 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4224 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4225 * tree-into-ssa.c (struct dom_dfsnum): New.
4226 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4228 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4229 compute_global_livein.
4230 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4231 in phi nodes in the correct blocks.
4233 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4235 PR tree-optimization/28364
4236 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4238 (fold_affine_expr): New function.
4239 (may_eliminate_iv): Use fold_affine_expr.
4241 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4244 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4247 2006-08-16 Mike Stump <mrs@apple.com>
4249 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4250 * doc/cppopts.texi (-MD): Likewise.
4252 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4255 * c-common.c (handle_weak_attribute): Ignore and warn if
4256 not a FUNCTION_ or VAR_DECL.
4258 2006-07-15 Mike Stump <mrs@apple.com>
4261 * c-parser.c (c_parser_typeof_specifier): Don't use
4262 c_finish_expr_stmt, open code desired semantics instead.
4264 2006-08-15 Nick Clifton <nickc@redhat.com>
4266 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4267 fragment to tmake_file only if threads are enabled.
4268 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4269 * config/i386/t-gthr-win32: New file. ... here.
4271 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4274 * c-parser.c (c_parser_compound_statement_nostart): Reset
4275 parser->error after each statement.
4277 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4280 * omp-low.c (lower_omp_parallel): Convert t to
4281 receiver_decl's type.
4282 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4283 source before comparison.
4286 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4287 to itype in assignment to oldival2.
4289 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4293 * c-typeck.c (build_compound_expr): If the second expression
4294 is an error mark, then just return an error mark instead of
4295 creating a COMPOUND_EXPR.
4297 2006-07-14 Mike Stump <mrs@apple.com>
4299 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4301 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4303 * c-decl.c, var-tracking.c: Fix comment typos.
4305 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4307 PR rtl-optimization/28634
4308 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4309 for floating-point modes unless flag_unsafe_math_optimizations.
4311 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4312 Andrew Pinski <pinskia@physics.uc.edu>
4315 * tree.c (build_array_type): Unify array types with
4316 unspecified index_type.
4317 * c-decl.c (grokdeclarator): Make sure we do not modify a
4318 unified incomplete array type.
4319 * c-typeck.c (store_init_value): Create distinct type before
4320 filling in the index type in an initializer from a compound
4323 * c-decl.c (grokdeclarator): Remove code where we copy the
4326 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4328 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4329 into account for TODO_dump_cgraph.
4330 (TODO_update_ssa_no_phi): Likewise.
4331 (TODO_update_ssa_full_phi): Likewise.
4332 (TODO_update_ssa_only_virtuals): Likewise.
4333 (TODO_remove_unused_locals): Likewise.
4334 (TODO_set_props): Likewise.
4335 (TODO_update_stmt_usage): Likewise.
4337 2006-08-13 Dirk Mueller <dmueller@suse.de>
4339 * c-common.c (strict_aliasing_warning): Fix formatting.
4341 2006-08-13 Matthias Klose <doko@debian.org>
4343 * doc/invoke.texi: Fix spelling errors.
4345 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4347 PR rtl-optimization/23454
4348 * reorg.c (relax_delay_slots): Update comment.
4350 2006-08-11 Richard Guenther <rguenther@suse.de>
4353 * simplify-rtx.c (simplify_const_relational_operation):
4354 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4357 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4359 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4360 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4362 2006-08-10 Paul Brook <paul@codesourcery.com>
4364 * final.c (final_scan_insn): Clear current_insn_predicate before
4365 outputting inline asm.
4367 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4369 PR tree-optimization/26197
4370 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4371 get_ref_base_and_extent and overlap_subvar to add only relevant
4372 subvars as may-aliases.
4373 (add_may_alias_for_new_tag): New function, factored out of
4375 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4376 with additional argument.
4377 * tree-flow.h (new_type_alias): Takes additional argument.
4379 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4381 * gcov.c (no_data_file): New flag.
4382 (read_count_file): Set it if data file not present. Assume counts
4384 (output_lines): Don't name the data file, if there wasn't one.
4386 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4388 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4389 (rs6000_generate_compare): Tweak comments.
4390 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4392 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4394 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4395 (var_debug_decl): New function.
4396 (var_reg_set): Follow debug decl link. Add location even if
4397 reg is already known to hold some other variable.
4398 (var_mem_set): Follow debug decl link.
4399 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4400 decl link. Delete other known locations of the variable part
4402 (var_reg_delete, var_mem_delete): Delete other known locations
4403 of the variable part if requested.
4404 (same_variable_part_p): New function.
4405 (add_stores): Select MO_COPY when appropriate.
4406 (vt_initialize): Handle it.
4407 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4408 known locations for MO_SET and MO_CLOBBER.
4409 (find_variable_location_part): New function.
4410 (set_variable_part, delete_variable_part): Use it.
4411 (clobber_variable_part): New function.
4412 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4415 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4417 PR tree-optimization/26969
4418 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4419 with an empty list of PHIs.
4421 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4425 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4428 2006-08-06 Andreas Schwab <schwab@suse.de>
4430 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4431 string. Whitespace and comment fixup.
4433 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4436 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4440 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4443 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4445 2006-08-04 Jan Hubicka <jh@suse.cz>
4449 * reload.c (push_reload): Patch out the mismatching instruction;
4451 (find_reload): Bail out if the instruction was patched out.
4453 2006-08-04 Jan Hubicka <jh@suse.cz>
4455 PR tree-optimization/24888
4456 * tree-inline.c (expand_call_inline): Do not re-record variables.
4457 (declare_inline_vars): Add variable to unexpanded_var_list.
4459 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4460 Roger Sayle <roger@eyesopen.com>
4462 PR rtl-optimization/26244
4463 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4464 inner_const are negative or greater than or equal to the bitsize of
4465 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4466 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4467 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4468 CONST0_RTX (mode) when the new shift count is greater than or equal to
4469 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4472 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4474 * tree-cfg.c: Fix a comment typo.
4476 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4479 * varasm.c (output_constant): Give the front end another chance to
4480 expand constants, after stripping NOPs.
4482 2006-08-03 Jan Hubicka <jh@suse.cz>
4484 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4487 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4489 PR tree-optimization/27770
4490 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4491 declaration removed (moved to tree-flow.h).
4492 (vect_can_force_dr_alignment_p): Likewise.
4493 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4494 (moved from tree-vectorizer.h).
4495 (vect_can_force_dr_alignment_p): Likewise.
4496 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4497 from outside the vectorizer - in particular from cgraph stage.
4498 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4499 the alignment of global arrays when -fsection-anchors is enabled.
4500 * cgraphunit.c (cgraph_increase_alignment): New function.
4501 (cgraph_optimize): Call cgraph_increase_alignment.
4503 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4506 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4507 not reload a SPE symbol_ref into a lo_sum address.
4509 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4512 * dwarf2out.c (prune_unused_types_prune): Move call to
4513 prune_unused_types_update_strings to cover the parent DIE also.
4515 2006-08-02 Jan Hubicka <jh@suse.cz>
4517 PR gcov/profile/28480
4518 * tree-cfg.c (change_bb_for_stmt): New function.
4519 (tree_merge_blocks, tree_split_blocks): Use it.
4521 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4527 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4528 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4529 (cgraph_optimize): Likewise.
4531 2006-08-01 Stuart Hastings <stuart@apple.com>
4533 * rtl.h (UINTVAL) New.
4534 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4535 * testsuite/gcc.dg/20060801-1.c: New.
4537 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4540 * c-typeck.c (build_external_type): Mark used enum types.
4541 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4543 (gen_subprogram_die): Whitespace fix.
4545 2006-08-01 Jan Hubicka <jh@suse.cz>
4547 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4548 bitmap when not needed.
4549 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4552 2006-08-01 Dirk Mueller <dmueller@suse.de>
4554 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4556 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4558 * Makefile.in: Revert part of previous patch:
4559 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4562 2006-07-30 Eric Christopher <echristo@apple.com>
4565 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4566 (PowerPC Variable Attributes): New section.
4568 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4570 PR target/28126 (partial fix)
4571 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4573 2006-07-28 Jan Hubicka <jh@suse.cz>
4575 PR rtl-optimization/28071
4576 * cfgrtl.c (rtl_delete_block): Free regsets.
4577 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4579 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4581 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4582 and variables used in dependencies.
4584 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4586 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4587 %fs for -mcmodel=kernel.
4588 (stack_tls_protect_test_di): Likewise.
4590 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4592 * Makefile.in: Use mkinstalldirs.
4594 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4597 * opts-common.c (prune_options): Skip joined switches.
4599 2006-07-27 Jan Hubicka <jh@suse.cz>
4601 PR rtl-optimization/28071
4602 * cselib.c (cselib_process_insn): Don't remove useless values too
4603 often for very large hashtables.
4605 2006-07-27 Jan Hubicka <jh@suse.cz>
4607 PR rtl-optimization/28071
4608 * global.c (greg_obstack): New obstack.
4609 (allocate_bb_info): Use it.
4610 (free_bb_info): Likewise.
4611 (modify_reg_pav): Likewise.
4613 2006-07-27 Roger Sayle <roger@eyesopen.com>
4615 * builtins.c (fold_fixed_mathfn): When long and long long are the
4616 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4617 functions to their lceil*, lfloor*, lround* and lrint* forms.
4619 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4622 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4624 (rev_branch_insn): Likewise.
4626 2006-07-27 Jan Hubicka <jh@suse.cz>
4628 PR rtl-optimization/28071
4629 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4630 (reg_set_in_bb, max_reg_computed): New static variables.
4631 (regmove_optimize): Free the new array.
4632 (fixup_match_1): Update call of reg_is_remote_constant_p.
4634 2006-07-26 Jan Hubicka <jh@suse.cz>
4636 PR tree-optimization/27882
4637 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4639 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4641 (cgraph_analyze_compilation_unit): Likewise.
4642 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4643 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4644 (cgraph_early_inlinine): Make order garbage collected.
4645 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4647 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4649 * dbxout.c (output_types_sort): Add a comment.
4650 (output_used_types): Free the VEC.
4652 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4654 * function.c (reorder_fix_fragments): Delete.
4655 (reorder_blocks): Don't call it.
4656 (reorder_blocks_1): Put all subblocks under the origin block.
4658 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4660 PR rtl-optimization/27907
4661 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4664 2006-07-25 Roger Sayle <roger@eyesopen.com>
4667 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4668 bar(x) check that bar's result type can represent all the values of T.
4670 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4672 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4674 2006-07-25 Nick Clifton <nickc@redhat.com>
4676 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4677 size_lookup[] array.
4678 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4679 (ggc_pch_count_object): Likewise.
4680 (ggc_pch_alloc_object): Likewise.
4681 (ggc_pch_write_object): Likewise.
4682 (init_ggc): Do not attempt to initialize entries in the
4683 size_lookup[] array for objects whose size is greater than than
4684 the length of the array.
4686 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4688 * dbxout.c (output_used_types_helper): Push queued types
4690 (output_types_sort): New.
4691 (output_used_types): Collect used types on a VEC and sort them
4694 2006-07-24 Richard Guenther <rguenther@suse.de>
4697 * cgraph.c (cgraph_remove_node): Do not check if dumps
4699 * cgraphunit.c (cgraph_optimize): Likewise.
4701 2006-07-24 Jan Hubicka <jh@suse.cz>
4703 PR rtl-optimization/28071
4704 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4705 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4706 splitting before first stmt.
4708 2006-07-24 Jan Hubicka <jh@suse.cz>
4710 PR rtl-optimization/28071
4711 * ipa-inline.c (update_caller_keys): Remove edges that
4712 are no longer inline candidates.
4714 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4717 * dbxout.c (output_used_types_helper, output_used_types): New.
4718 (dbxout_symbol): Call output_used_types.
4720 2006-07-23 Jan Hubicka <jh@suse.cz>
4724 * cgraph.c (cgraph_varpool_nodes): Export.
4725 (decide_is_variable_needed): Ignored "used" attribute in
4726 unit-at-a-time mode.
4727 * cgraph.h (cgraph_varpool_nodes): Declare.
4728 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4729 unit-at-a-time mode.
4731 2006-07-23 Roger Sayle <roger@eyesopen.com>
4734 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4735 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4736 the __gthrw form of thr_keycreate.
4737 (__gthread_key_delete): Silence the unused argument warning.
4739 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4742 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4743 Cache the last found '\0' marker to avoid quadratic behavior.
4745 2006-07-23 Jan Hubicka <jh@suse.cz>
4747 * i386.md (subsi_3_zext): Fix output template.
4749 2006-07-21 Mike Stump <mrs@apple.com>
4751 * doc/invoke.texi (C++ Dialect Options): Note that
4752 -fvisibility-inlines-hidden doesn't affect explicitly
4753 instantiationed inline methods.
4755 2006-07-20 Roger Sayle <roger@eyesopen.com>
4757 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4758 if the target assembler is GNU binutils' gas.
4759 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4760 whether to pass GNU gas or native as command line options.
4762 2006-07-20 Jason Merrill <jason@redhat.com>
4764 * tree.c (remove_attribute): New fn.
4765 * tree.h: Declare it.
4767 2006-07-20 Paul Brook <paul@codesourcery.com>
4770 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4771 they are invalidated by this instruction.
4773 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4776 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4778 2006-07-20 Eric Christopher <echristo@apple.com>
4781 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4783 2006-07-19 Eric Christopher <echristo@apple.com>
4785 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4786 Rewrite dependencies for libgcc_s.1.dylib.
4788 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4790 * except.c (duplicate_eh_regions_1): Clear next_peer.
4792 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4794 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4795 -mlongcall does not guarantee all calls will be long.
4796 * doc/extend.texi (long_call/short_call): Document that longcall
4797 does not guarantee a long call will be used.
4798 (longcall/shortcall): Likewise.
4800 2006-07-18 Roger Sayle <roger@eyesopen.com>
4803 * expmed.c (expand_shift): Additionally check that the shift_cost
4804 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4805 before implementing a LSHIFT_EXPR as a sequence of additions.
4806 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4807 middle-end that DImode shifts need to be synthesized by expand.
4809 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4812 * tree-ssa-operands.c (access_can_touch_variable): Update
4814 Return true if ALIAS is .GLOBAL_VAR.
4816 2006-07-18 David Daney <ddaney@avtrex.com>
4818 * gcc.c (display_help): Fix typo in help text.
4820 2006-07-18 Olivier Hainque <hainque@adacore.com>
4822 * tree.h (categorize_ctor_elements): Adjust prototype and add
4823 descriptive comment, both in accordance with the interface change
4825 * varasm.c (constructor_static_from_elts_p): New function.
4826 Whether a constructor node is a valid static constant initializer
4827 if all its elements are.
4828 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4829 * output.h: Declare it.
4830 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4831 is a valid constant initializer instead of computing the number of
4832 non-constant elements. Use constructor_static_from_elts_p for this
4833 purpose. Replace the head comment with an indication that this is a
4834 helper for categorize_ctor_elements.
4835 (categorize_ctor_elements): Same interface change as for the _1
4836 helper. Former head comment from this helper moved here, adjusted to
4837 account for the interface changes.
4838 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4839 (all_zeros_p): Likewise.
4840 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4841 static versions of the constructor from the categorize_ctor_elements
4842 return value instead of the formerly computed number of non-constant
4845 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4847 * configure: Regenerate.
4848 * Makefile.in (build_libsubdir): New configure substitution
4849 (build_libobjdir): New variable.
4850 (BUILD_LIBIBERTY): Use it.
4852 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4855 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4857 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4860 * c-common.c (handle_weakref_attribute): Ignore attribute in
4861 the same conditions the alias attribute is ignored.
4863 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4865 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4866 (dbxout_begin_prologue): Increment scope_labelno.
4868 2006-07-17 Richard Henderson <rth@redhat.com>
4871 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4874 2006-07-17 Roger Sayle <roger@eyesopen.com>
4875 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4877 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4878 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4879 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4880 functions such as sbrk, write, etc.. Add function prototypes.
4881 Convert function declarations from K&R to ISO C. Cast pointers
4882 to "long" and "unsigned long" instead of "int" and "unsigned int".
4883 Convert tokens following #endif into comments.
4885 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4887 * invoke.texi: Remove mention of f77; Reformat table for
4888 inline parameter options correctly; mention that -malign-double
4889 is default on x86-64 targets.
4891 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4893 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4894 (convert_affine_scev, chrec_convert_aggressive): Use
4895 avoid_arithmetics_in_type_p. Do not check for the subtypes
4898 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4901 * optabs.c (expand_doubleword_shift): Wrap the call to
4902 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4904 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4907 * optabs.c (expand_binop): Pass next_methods rather than methods
4908 to expand_doubleword_shift.
4910 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4913 * tree.h (dump_addr): Declare.
4914 * print-tree.c (dump_addr): New function.
4915 (print_node_brief, print_node): Use it.
4916 * print-rtl.c (print_rtx): Likewise.
4917 * common.opt (-fdump-noaddr): New option.
4918 * doc/invoke.texi (-fdump-noaddr): Document.
4919 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4920 (ve_info_hash): Likewise.
4922 2006-07-13 Andrew Haley <aph@redhat.com>
4924 PR tree-optimization/19505
4925 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4926 edge leaving this block, make sure that the destination of this
4927 block has only one predecessor.
4929 2006-07-17 Richard Guenther <rguenther@suse.de>
4931 PR tree-optimization/28238
4932 * tree-inline.c (copy_bb): Check if we produced valid
4933 gimple copying and substituting a stmt. If not, gimplify
4936 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4938 * optabs.c (maybe_encapsulate_block): New function extracted from...
4939 (emit_libcall_block): ...here. Invoke it on the block of insns to
4940 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4941 (emit_no_conflict_block): Likewise.
4943 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4945 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4947 2006-07-15 Roger Sayle <roger@eyesopen.com>
4949 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4950 a new NOP_EXPR case of the switch statement.
4952 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4955 * stor-layout.c (place_field): Take the bit field with
4956 an excessive size into account in the ms-bitfiled case.
4959 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4960 the previous bit field.
4962 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4965 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4967 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4969 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4970 signal frames correctly even when the signal was installed with
4973 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4975 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4976 (dbxout_function_end): Use local label LFBB. Remove hook
4978 (dbxout_source_line): Use local label LFBB.
4979 (dbxout_block): Likewise.
4980 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4981 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4982 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4983 and DBX_OUTPUT_NFUN.
4985 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4987 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4989 2006-07-13 Jan Hubicka <jh@suse.cz>
4991 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4993 * output.h (align_variable): Declare.
4994 * varasm.c (align_variable): Export.
4995 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4996 when basic block changed.
4998 2006-07-13 Nick Clifton <nickc@redhat.com>
5000 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5001 walking the LOG_LINKS chain.
5003 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5005 * doc/invoke.texi (C++ Dialect Options): Explain difference
5006 between -fvisibility-inlines-hidden and setting hidden
5007 visibility explicitly.
5009 2006-07-12 Eric Christopher <echristo@apple.com>
5011 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5012 (stmp-lipo): Depend on libgcc.a.
5014 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5016 * tree.c: Fix a comment typo.
5018 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5020 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5022 (umulhisi3_r): Likewise.
5024 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5027 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5028 x < 19, vs wchar_t support.
5030 2006-07-12 Nick Clifton <nickc@redhat.com>
5032 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5033 instead of -isa=sh4.
5035 2006-07-12 Mike Stump <mrs@apple.com>
5037 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5039 2006-07-10 Eric Christopher <echristo@apple.com>
5041 * config/t-slibgcc-darwin: Rewrite.
5043 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5046 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5049 2006-07-08 Matthias Klose <doko@debian.org>
5051 * doc/sourcebuild.texi: Fix typo.
5053 2006-07-07 Mike Stump <mrs@apple.com>
5055 * toplev.c (process_options): Don't give -ffunction-sections may
5056 affect debugging warning for Mach-O.
5058 2006-07-07 James E Wilson <wilson@specifix.com>
5060 * config/mips/mips.md (cpu): Add sb1a.
5061 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5062 addition to sb1. Adjust comments to clarify SB-1A differences from
5064 (ir_sb1a_load): New. Modify bypasses to use it.
5065 (ir_sb1a_simple_alu): Likewise.
5066 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5067 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5068 (mips_issue_rate): Add PROCESSOR_SB1A.
5069 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5070 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5071 (TARGET_SB1): Add PROCESSOR_SB1A check.
5072 (TUNE_SB1): Likewise.
5074 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5075 * config/mips/mips.c (mips_store_data_bypass_p): New.
5076 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5077 store_data_bypass_p.
5079 2006-07-08 Paul Brook <paul@codesourcery.com>
5082 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5084 2006-07-07 Richard Guenther <rguenther@suse.de>
5087 * tree.h (build_one_cst): Declare.
5088 * tree.c (build_one_cst): New function.
5089 * tree-ssa-math-opts.c (get_constant_one): Remove.
5090 (insert_reciprocals): Use build_one_cst.
5091 * fold-const.c (fold_plusminus_mult): Likewise.
5093 2006-07-07 Roger Sayle <roger@eyesopen.com>
5095 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5096 * cfgloopanal.c (dump_graph): Likewise.
5097 * dojump.c (discard_pending_stack_adjust): Likewise.
5098 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5100 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5101 * function.c (finalize_block_changes): Likewise.
5102 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5103 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5104 * rtl.c (dump_rtx_statistics): Likewise.
5105 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5107 * varray.c (dump_varray_statistics): Likewise.
5108 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5109 decode_decimal64, encode_decimal128, decode_decimal128,
5110 decimal_real_to_decimal): Likewise.
5112 2006-07-07 Richard Guenther <rguenther@suse.de>
5114 PR tree-optimization/28187
5115 * tree-vrp.c (vrp_operand_equal_p): New function.
5116 (vrp_bitmap_equal_p): Likewise.
5117 (update_value_range): Use them to compare old and new
5120 2006-07-06 Roger Sayle <roger@eyesopen.com>
5122 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5123 a default case to switch statement to silence compiler warnings.
5125 2006-07-06 Roger Sayle <roger@eyesopen.com>
5128 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5129 the configured assembler supports the x87's ffreep mnemonic.
5130 * configure: Regenerate.
5131 * config.in: Regenerate.
5133 * config/i386/i386.c (output_387_ffreep): New function.
5134 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5135 (output_387_reg_move): Likewise.
5137 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5139 Port to hosts whose 'sort' and 'tail' implementations
5140 treat operands with leading '+' as file names, as POSIX
5141 has required since 2001. However, make sure the code still
5142 works on pre-POSIX hosts.
5143 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5144 which says you should use "tail -c +N" rather than "tail +Nc".
5145 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5147 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5149 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5152 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5155 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5156 PRE_{INC,DEC} of TFmode.
5158 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5159 Alan Modra <amodra@bigpond.net.au>
5162 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5165 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5168 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5169 Remove duplicate gtu.
5171 2006-07-05 Jason Merrill <jason@redhat.com>
5175 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5176 * c-common.c (handle_packed_attribute): So don't copy it here.
5177 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5179 2006-07-05 Mike Stump <mrs@apple.com>
5181 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5183 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5186 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5188 2006-07-05 Richard Guenther <rguenther@suse.de>
5191 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5192 TARGET_SSE2 targets if using SSE math.
5193 (*absdf2_1): Likewise.
5195 2006-07-05 Richard Guenther <rguenther@suse.de>
5197 PR tree-optimization/28162
5198 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5199 make sure to convert the operands to the correct type.
5201 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5203 PR tree-optimization/28218
5205 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5206 to calculate and free the dominator information.
5208 2006-07-04 Peter O'Gorman <peter@pogma.com>
5210 * mklibgcc.in: chmod 644 before ranlib during install.
5212 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5213 J"orn Rennecke <joern.rennecke@st.com>
5215 * configure.ac (.eh_frame data check): Use diff -b.
5217 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5220 * Makefile.in (BUILD_RTL): Add build/vec.o.
5221 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5222 (build/genextract): Delete.
5223 (build/genautomata): Likewise.
5225 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5228 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5229 128-bit IBM long doubles for ABI_V4.
5231 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5233 * tree.c (range_in_array_bounds_p): New predicate.
5234 * tree.h (range_in_array_bounds_p): Declare it.
5235 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5236 return a less conservative answer.
5237 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5238 and flag 'is_group'.
5239 (IS_ELEMENT_FOR_GROUP): New macro.
5240 (FOR_EACH_ACTUAL_CHILD): Likewise.
5241 (next_child_for_group): New helper function.
5242 (can_completely_scalarize_p): Take into account groups.
5243 (sra_hash_tree): Handle RANGE_EXPR.
5244 (sra_elt_eq): Likewise.
5245 (lookup_element): Be prepared for handling groups.
5246 (is_valid_const_index): Delete.
5247 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5248 instead of is_valid_const_index.
5249 <ARRAY_RANGE_REF>: New case.
5250 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5251 is_valid_const_index.
5252 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5253 (scan_dump): Dump info for groups too.
5254 (decide_instantiation_1): Likewise.
5255 (decide_block_copy): Assert that the element is not a group.
5256 Propagate decision to groups.
5257 (generate_one_element_ref): Handle RANGE_EXPR.
5258 (mark_no_warning): Iterate over actual childs.
5259 (generate_copy_inout): Likewise.
5260 (generate_element_copy): Likewise.
5261 (generate_element_zero): Likewise.
5262 (generate_element_init_1): Likewise.
5263 (dump_sra_elt_name): Handle RANGE_EXPR.
5265 2006-07-03 Roger Sayle <roger@eyesopen.com>
5267 PR tree-optimization/26251
5268 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5269 (thread_block): When optimizing for size refuse to thread jumps
5270 that would require duplication of blocks other than redirection
5273 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5275 * configure.ac: Fix thinko in previous check-in.
5276 * configure: Regenerate.
5278 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5281 * configure.ac (for lang...): Simplify nesting of conditionals.
5282 Test subdir_requires for non-enabled languages. Move processing
5283 of lang_opt_files and lang_tree_fiels below that test.
5284 * configure: Regenerate.
5285 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5287 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5289 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5291 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5293 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5296 2006-06-29 Jason Merrill <jason@redhat.com>
5303 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5304 * c-common.c (c_determine_visibility): Handle it here.
5305 * c-decl.c (finish_decl): Call c_determine_visibility for
5307 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5309 * varasm.c (default_assemble_visibility): Likewise.
5310 * c-common.c (handle_visibility_attribute): Complain about trying
5311 to give visibility to an already defined class, or trying to change
5312 declared visibility. Always attach the attribute.
5317 * attribs.c (decl_attributes): Ignore type-in-place attributes
5318 once the type has been defined.
5320 2006-06-29 Roger Sayle <roger@eyesopen.com>
5323 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5324 to indicate the cpplib has issued an error message for us.
5326 2006-06-29 Asher Langton <langton2@llnl.gov>
5329 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5330 insert a label at the end of an function under Mach-O.
5332 2006-06-29 Eric Christopher <echristo@apple.com>
5333 Evan Cheng <evan.cheng@apple.com>
5335 * predicates.md (vector_all_ones_operand): New.
5336 (nonimmediate_or_sse_const_operand): Ditto.
5337 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5338 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5339 (standard_sse_mode_p): Ditto.
5340 (standard_sse_constant_p): Add case for -1 vector.
5341 (ix86_expand_vector_move): Try to use.
5342 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5343 Call standard_sse_constant_opcode.
5344 (*movv4sf_internal): Ditto.
5345 (*movv2df_internal): Ditto.
5347 2006-06-29 Roger Sayle <roger@eyesopen.com>
5349 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5350 of XEXP to extract the operands of a MATCH_CODE rtx.
5352 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5354 * tree.c (tree_size): Do not waste tail padding in
5355 struct tree_string and make the size be the same as
5356 build_string will generate.
5358 2006-06-28 Jason Merrill <jason@redhat.com>
5361 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5362 may_aliases already in the tag's annotations to the bitmap.
5364 2006-06-28 Roger Sayle <roger@eyesopen.com>
5366 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5368 2006-06-28 Roger Sayle <roger@eyesopen.com>
5370 * genpreds.c (generate_switch_p): New function.
5371 (add_mode_tests): Push the new mode test down inside an AND expr
5372 if this allows the switch-suitable MATCH_CODE to be near the root.
5373 (write_match_code_switch): New function to write a MATCH_CODE as
5375 (write_predicate_stmts): New function to write a predicate RTX
5376 expression as a sequence of statements.
5377 (write_one_predicate_function): Use write_predicate_stmts.
5378 (write_tm_constrs_h): Likewise.
5380 2006-06-26 Fred Fish <fnf@specifix.com>
5382 * config/mips/t-sb1: New file.
5383 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5386 2006-06-26 DJ Delorie <dj@redhat.com>
5388 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5390 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5391 Jayant Sonar <jayants@kpitcummins.com>
5392 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5394 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5395 (subsi3, subsi3_1, subsi3_2): New.
5396 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5397 * config/m32c/mov.md (SI mov peephole): New.
5398 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5399 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5401 2006-06-26 Olivier Hainque <hainque@adacore.com>
5403 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5404 a CALL_EXPR target function declaration.
5406 2006-06-26 Richard Guenther <rguenther@suse.de>
5408 * tree.c (build_string): Do not waste tail padding in
5411 2006-06-26 Richard Guenther <rguenther@suse.de>
5413 * ggc-page.c (init_ggc): Add missing element to size_lookup
5417 2006-06-23 Richard Guenther <rguenther@suse.de>
5419 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5420 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5421 alignment requests instead. Add verification code.
5422 Add struct tree_function_decl and struct tree_binfo size to
5423 extra_order_size_table. Add missing element to size_lookup
5426 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5429 * fold-const.c (const_binop): Be prepared for self returning zero.
5430 Simplify code handling complex values.
5432 2006-06-24 Olivier Hainque <hainque@adacore.com>
5434 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5435 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5438 2006-06-24 Olivier Hainque <hainque@adacore.com>
5440 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5441 ARRAY_REF, so have the callback called for the low bound expression.
5443 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5445 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5446 * c-typeck.c (c_common_type): Disallow operations on decimal float
5447 types and other float types.
5448 * convert.c (convert_to_real): Don't ignore conversions involving
5449 decimal float types.
5451 2006-06-23 Olivier Hainque <hainque@adacore.com>
5453 * tree.c (max_int_size_in_bytes): New function, inspired from
5454 code in function.c:assign_temp.
5455 * tree.h (max_int_size_in_bytes): Declare.
5456 * function.c (assign_temp): Use it.
5457 * gimplify.c (create_tmp_var): Relax the assertions on the type
5458 properties, not mandating constant size any more.
5459 (force_constant_size): New static function.
5460 (gimple_add_tmp_var): Use it, forcing variable size to a
5461 constant upper bound if it is not constant on entry.
5463 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5466 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5467 for initialization and setting of one_only flag to ...
5468 (i386_pe_encode_section_info): ...here.
5469 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5470 Recheck that the symbol has not been defined.
5472 2006-06-23 Richard Guenther <rguenther@suse.de>
5474 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5475 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5476 alignment requests instead. Add verification code.
5477 Add struct tree_function_decl and struct tree_binfo size to
5478 extra_order_size_table. Add missing element to size_lookup
5481 2006-06-22 Roger Sayle <roger@eyesopen.com>
5482 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5485 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5486 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5488 2006-06-23 Ben Elliston <bje@au.ibm.com>
5490 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5491 negate dn -- manipulate it directly.
5493 2006-06-22 Roger Sayle <roger@eyesopen.com>
5494 Steven Bosscher <stevenb.gcc@gmail.com>
5497 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5498 generated by gen_move_insn to add REG_LABEL notes if necessary.
5500 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5502 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5503 (leaf_entry): Remove use of MIN_ESA.
5505 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5507 PR rtl-optimization/28121
5508 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5511 2006-06-21 DJ Delorie <dj@redhat.com>
5513 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5515 (mulhisi3_r): Likewise.
5517 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5520 * coverage.c (coverage_counter_alloc): Leave the index type
5522 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5525 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5527 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5528 section from the "Options for Code Generation Conventions".
5530 2006-06-21 Richard Henderson <rth@redhat.com>
5534 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5536 (global_symbolic_operand): Allow weak symbols, even if local_p.
5538 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5540 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5541 (find_interesting_uses_address): Punt if above function returns true.
5543 2006-06-21 Richard Guenther <rguenther@suse.de>
5545 * configure: Regenerated.
5547 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5549 * config/mips/mips.c (function_arg): Where one part of a
5550 complex argument is in registers and the other part in the stack,
5551 return a REG not a PARALLEL.
5553 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5555 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5556 when cross-compiling. Do not substitute libstdcxx_incdir.
5557 * configure: Regenerated.
5559 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5561 * varasm.c (mergeable_string_section): Check for embedded NULs and
5562 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5563 rather than TREE_STRING_LENGTH bytes.
5565 2006-06-21 Richard Guenther <rguenther@suse.de>
5567 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5568 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5571 2006-06-21 Richrad Guenther <rguenther@suse.de>
5573 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5574 Limit iteration over the dominators.
5576 2006-06-20 Roger Sayle <roger@eyesopen.com>
5578 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5579 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5581 2006-06-20 Richard Guenther <rguenther@suse.de>
5582 Michael Matz <matz@suse.de>
5584 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5586 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5587 * et-forest.h (et_free_pools): Prototype new function.
5588 * et-forest.c (et_free_tree_force): Free parent occurrence.
5589 (et_free_pools): New function.
5590 * dominance.c (free_dominance_info): Free et-forest alloc
5593 2006-06-20 Roger Sayle <roger@eyesopen.com>
5595 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5596 integer modes, attempt to directly construct an integer constant.
5598 * fold-const.c (native_encode_vector): Determine the size of each
5599 element from the vector type instead of the first vector element.
5601 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5602 if all of its elements/components are constant.
5603 (build_constructor_from_list): Likewise.
5605 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5607 PR tree-optimization/27331
5608 * tree-data-ref.c (free_data_ref): New function.
5609 (create_data_ref): Fail if the data reference has unknown access
5611 (free_data_refs): Use free_data_ref.
5613 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5616 * tree-inline.c (setup_one_parameter): Strip useless
5617 type conversion before adding it to the IR.
5618 (declare_return_variable): Likewise.
5620 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5623 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5625 2006-06-19 Mike Stump <mrs@apple.com>
5627 * tree.c (variably_modified_type_p): VM arguments don't make the
5630 2006-06-19 Richard Guenther <rguenther@suse.de>
5632 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5633 type conversions after folding.
5635 2006-06-19 Richard Guenther <rguenther@suse.de>
5637 * ggc-page.c (extra_order_size_tab): Add entries with
5638 size of struct function and basic_block.
5639 (size_lookup): Extend to cover sizes up to 511.
5640 (ggc_alloc_stat): Adjust user.
5641 (ggc_pch_count_object): Likewise.
5642 (ggc_pch_alloc_object): Likewise.
5643 (ggc_pch_write_object): Likewise.
5645 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5647 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5648 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5651 2006-06-19 Denis Chertykov <denisc@overta.ru>
5653 * config/avr/libgcc.S : Correct my wrong previous commit.
5655 2006-06-19 Roger Sayle <roger@eyesopen.com>
5658 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5659 have stripped a SUBREG from the shift count, so we may need to
5660 convert_to_mode back to the type's mode before calling make_tree.
5661 Use new_amount instead of amount to avoid expanding a tree twice.
5663 2006-06-19 Richard Guenther <rguenther@suse.de>
5666 * fold-const.c (operand_equal_p): Check if the argument types
5667 have the same precision before stripping NOPs.
5669 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5671 Fix PR tree-optimization/27341
5672 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5674 * tree-complex.c (pass_lower_complex): Update SMT usage.
5676 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5678 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5679 Add a new alternative to the constraint strings. Add move of
5680 operand 1 to 3 to the splitter definition.
5681 ("doloop_si_long"): Second contraint alternative removed.
5683 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5685 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5686 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5688 (AVR_HAVE_MOVW) Define.
5689 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5690 (ASM_SPEC): Add avr25.
5691 (LINK_SPEC): Add avr25.
5692 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5693 (base_arch_s): Add new member 'have_movw_lpmx'.
5694 (avr_arch_types): Init 'have_movw_lpmx'.
5695 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5696 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5697 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5698 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5699 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5701 (avr_file_start): Do not output '.arh' derective.
5702 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5703 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5704 * config/avr/avr.md (mcu_enhanced): Delete.
5705 (mcu_have_movw): Define.
5706 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5707 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5708 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5709 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5710 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5711 attiny861 and at86rf401 devices.
5713 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5715 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5718 2006-06-17 Karl Berry <karl@gnu.org>
5720 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5721 doc/gccint.texi, doc/install.texi (@dircategory): Use
5722 "Software development" instead of "Programming", following
5723 the Free Software Directory.
5725 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5727 * config/i386/i386.c (legitimate_tls_address)
5728 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5729 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5730 (*tls_dynamic_gnu2_combine_64): Likewise.
5732 2006-06-16 Richard Guenther <rguenther@suse.de>
5735 * fold-const.c (negate_expr_p): Do not introduce undefined
5736 overflow in negating INTEGER_CSTs.
5737 (fold_negate_expr): Rename from negate_expr. Revert last
5738 change for folding BIT_NOT_EXPR. Change semantics to
5739 return NULL_TREE for non-simplified negations. Do not
5740 strip type conversions and unify type handling.
5741 (negate_expr): New function, wrap around fold_negate_expr
5742 but ensure building a tree always. Strip type conversions
5743 here, fold to result type.
5744 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5746 2006-06-16 Roger Sayle <roger@eyesopen.com>
5749 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5750 that (would) return their results in stack registers.
5752 2006-06-16 Michael Matz <matz@suse.de>
5753 Richard Guenther <rguenther@suse.de>
5755 * fold-const.c (fold_truthop): Only return new tree node if
5756 we canonicalized something.
5758 2006-06-16 Richard Guenther <rguenther@suse.de>
5760 * function.h (enum function_frequency): Move declaration
5761 out of struct function.
5762 (struct function): Move bool fields and the enum to the bitfield
5763 section. Reorder elements to avoid padding. Remove unused
5764 fields left over from the RTL inliner removal.
5765 * function.c (free_after_compilation): Do not zero removed fields.
5766 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5767 (ipa-type-escape.o): Likewise.
5769 2006-06-16 Richard Guenther <rguenther@suse.de>
5771 * cgraph.h (struct cgraph_local_info): Turn bool elements
5773 (struct cgraph_node): Likewise.
5774 (struct cgraph_varpool_node): Likewise.
5776 2006-06-15 Richard Guenther <rguenther@suse.de>
5778 * fold-const.c (fold_truth_not_expr): Rename from
5779 invert_truthvalue. Give it fold_* semantics to avoid
5781 (invert_truthvalue): New function. Wrapper around
5782 fold_truth_not_expr.
5783 (optimize_minmax_comparison): Avoid creating garbage.
5784 (fold_unary): Use fold_truth_not_expr for folding
5786 (fold_ternary): Replace uses of invert_truthvalue with
5787 fold_truth_not_expr where applicable.
5788 * tree.h (fold_truth_not_expr): Prototype.
5790 2006-06-16 Richard Guenther <rguenther@suse.de>
5792 PR tree-optimization/27781
5793 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5794 * ipa-pure-const.c (target.h): Include.
5795 (analyze_function): Do not analyze functions that do not
5798 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5801 * tree-dfa.c (referenced_vars_dup_list): Remove.
5802 (find_referenced_vars): Remove assert.
5803 (referenced_var_check_and_insert): Replace dup list with assert.
5804 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5805 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5807 2006-06-15 Richard Guenther <rguenther@suse.de>
5809 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5810 extra unused identifiers if not dumping.
5811 (create_variable_info_for): Likewise.
5813 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5815 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5816 (derive_constant_upper_bound): Derive more precise upper bound in
5817 common cases. Return type changed to double_int.
5818 (record_estimate): Reflect the changed return type of
5819 derive_constant_upper_bound.
5820 * double-int.c (double_int_zext, double_int_sext): Fix.
5822 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5824 * configure.ac (CFLAGS): Get them from the toplevel or from the
5825 configure invocation.
5826 * configure: Regenerate.
5827 * Makefile.in (CFLAGS): Substitute value provided by configure.
5829 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5832 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5833 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5834 rather than calling add_stmt on it.
5835 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5837 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5840 * reload1.c (reload): Remove registers returned by update_eliminables
5841 from used_spill_regs.
5843 2006-06-13 DJ Delorie <dj@redhat.com>
5845 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5847 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5849 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5850 html__strip_dir, html__mkdir_p. Enhance install-html target.
5851 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5852 * configure: Regenerate.
5854 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5856 * fold-const.c (fold_cond_expr_with_comparison): Check for
5857 Objective-C++ as language in deciding COND_EXPR transformation.
5859 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5862 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5863 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5864 * config/sh/lib1funcs.h (SL, SL1): Define.
5865 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5866 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5867 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5868 (OBJS_Os_4_200): New variable.
5869 ($(T)libgcc-Os-4-200.a): Use it.
5870 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5871 when dividing 1 and/or by 0.
5873 2006-06-13 Roger Sayle <roger@eyesopen.com>
5875 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5876 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5877 * configure: Regenerate.
5879 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5881 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5882 for real instruction.
5884 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5887 * haifa-sched.c (check_cfg): Handle special case.
5889 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5892 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5893 Add debug_info parameter. Chain the vars to the BLOCK instead
5894 of the BIND_EXPR if debug info are requested for them.
5895 (pop_gimplify_context): Adjust for above change.
5896 (gimple_add_tmp_var): Likewise.
5897 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5899 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5900 (convert_local_reference): Likewise.
5901 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5902 (finalize_nesting_tree_1): Request that debug info be emitted
5903 for debug_var_chain.
5905 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5907 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5908 for PR target/27863.
5910 2006-06-13 Richard Guenther <rguenther@suse.de>
5913 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5915 2006-06-13 Richard Guenther <rguenther@suse.de>
5917 PR tree-optimization/27830
5918 * tree-inline.c (copy_body_r): For copying the operand
5919 of an ADDR_EXPR make sure to fold &* afterwards.
5921 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5923 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5924 lvalues in the fb_none case with side-effects.
5926 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5928 * tree-flow.h: Remove the prototype for
5929 compute_phi_arg_on_exit.
5930 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5931 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5934 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5936 * builtins.c (expand_builtin_return_addr): Only use
5937 frame_pointer_rtx when count == 0 and we are expanding
5938 __builtin_return_address.
5940 2006-06-12 Fred Fish <fnf@specifix.com>
5942 * config/mips/mips.c (mips_file_start): Create special section
5943 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5945 2006-06-11 Eric Christopher <echristo@apple.com>
5948 * stor-layout.c (place_field): Remove check for
5949 remaining_in_alignment when aligning at the end of a run.
5951 2006-06-11 Eric Christopher <echristo@apple.com>
5954 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5957 2006-06-11 Roger Sayle <roger@eyesopen.com>
5960 Revert incorrect fix for PR target/27158
5961 2006-05-08 Roger Sayle <roger@eyesopen.com>
5962 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5963 of a reg_equiv_constant if the result is a legitimate constant.
5965 2006-06-11 Roger Sayle <roger@eyesopen.com>
5968 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5969 extract a CONST_VECTOR element and interpret it as an integer.
5970 (vspltis_constant): Use const_vector_elt_as_int instead of the
5971 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5972 * config/rs6000/predicates.md (easy_vector_const): Consider
5973 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5975 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5978 * stor-layout.c (update_alignment_for_field): Don't add extra
5979 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5982 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5984 * config/mips/t-rtems: Add EL/EB multilib variants.
5986 2006-06-09 Mike Stump <mrs@apple.com>
5988 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5990 2006-06-09 David Daney <ddaney@avtrex.com>
5992 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5994 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5996 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5998 2006-06-09 Richard Guenther <rguenther@suse.de>
6000 PR tree-optimization/26998
6001 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6002 of signed types, only TYPE_MIN_VALUE is special, but for both,
6003 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6004 in this case, as is -fwrapv.
6006 2006-06-08 Mike Stump <mrs@apple.com>
6009 * config/darwin.c (darwin_asm_output_anchor): Disable
6010 -fsection-anchors on darwin for now.
6011 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6012 * rs6000/rs6000.c (optimization_options): Likewise.
6014 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6017 * config/i386/i386.c (classify_argument): Skip fields with invalid
6020 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6022 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6023 (cse_insn): Likewise for the stack_pointer_rtx.
6025 2006-06-08 Roger Sayle <roger@eyesopen.com>
6027 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6028 conditions from floating point comparisons.
6030 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6033 * expmed.c (struct alg_hash_entry): Fix type of field T
6034 to match synth_mult argument.
6035 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6037 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6040 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6043 2006-06-08 Richard Guenther <rguenther@suse.de>
6046 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6047 only, if overflow is defined and not trapping.
6048 (negate_expr): Likewise.
6050 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6052 PR tree-optimization/27872
6053 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6054 flag on the new exit edge of the unrolled loop.
6056 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6058 PR rtl-optimization/26449
6059 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6061 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6064 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6065 referenced_variables with matching DECL_UID's.
6066 (find_referenced_vars): Make sure duplicate list is empty to start.
6067 (referenced_var_p): Remove.
6068 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6069 Check if var is in the list, and add if needed. Update the duplicate
6070 list if a different var is in the list with the same DECL_UID.
6071 (add_referenced_var): Call routine to check and insert.
6072 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6073 * tree-flow.h (referenced_vars_dup_list): External declaration.
6075 2006-06-07 Fred Fish <fnf@specifix.com>
6077 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6080 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6083 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6084 the imaginary and real parts of a clobbered register.
6085 Emit insn to set the imaginary part.
6087 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6089 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6090 in lieu of unwind-dw2-fde.c.
6092 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6094 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6096 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6099 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6100 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6101 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6102 V4SImode temporaries and operations instead.
6104 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6106 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6109 2006-06-06 Mike Stump <mrs@apple.com>
6111 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6112 installing during build.
6114 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6116 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6118 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6119 * config/ia64/ia64.c (params.h): New header.
6120 (ia64_optimization_options): New function to adjust parameters.
6121 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6122 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6123 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6125 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6127 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6129 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6132 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6134 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6135 Victor Kaplansky <victork@il.ibm.com>
6137 PR tree-optimization/26360
6138 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6141 2006-06-04 Roger Sayle <roger@eyesopen.com>
6142 Andrew Pinski <pinskia@physics.uc.edu>
6145 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6146 for LABEL_DECL before calling DECL_WEAK.
6149 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6150 LABEL_DECL and PARM_DECL.
6152 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6156 * c-decl.c (grokdeclarator): Disallow variably modified types at
6157 file scope. Avoid marking shared array type of constant size as
6160 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6163 * c-common.c (fold_offsetof_1): Handle static members.
6165 2006-06-04 Eric Christopher <echristo@apple.com>
6167 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6168 (debug_rli): Output value for remaining_in_alignment.
6169 (update_alignment_for_field): Unconditionalize
6170 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6171 extra alignment code.
6172 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6173 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6174 * tree.h (record_layout_info_s): Remove prev_packed.
6175 * doc/extend.texi (ms_struct): Add documentation of format.
6177 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6179 * tree.h: Declare folding_initializer.
6180 * builtins.c (fold_builtin_constant_p): Give definite answer
6181 if folding inside an initializer.
6182 * fold-const.c: Define folding_initializer.
6183 (START_FOLD_INIT): Save and then set folding_initializer.
6184 (END_FOLD_INIT): Restore folding_initializer.
6186 2006-06-04 Richard Guenther <rguenther@suse.de>
6188 PR tree-optimization/27039
6189 * fold-const.c (fold_comparison): Handle pointer comparison
6190 again for all comparison codes. Compare offsets in signed
6192 (fold_binary): Move code from here.
6194 2006-06-03 Roger Sayle <roger@eyesopen.com>
6197 * config/i386/i386.c (construct_container): Split static issued_error
6198 flag into issued_sse_arg_error, issued_sse_ret_error and
6199 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6200 requires the use of x87 registers and the user explicitly
6201 specified the -mno-80387 command line option.
6203 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6205 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6206 HAVE_DECL_SIGALTSTACK.
6208 (segv_handler): Use MC_FLD.
6209 * configure.ac: Check for a sigaltstack declaration.
6210 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6211 * configure: Regenerate.
6212 * config.in: Regenerate.
6214 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6217 * Makefile.in (stmp-fixinc): Fix typo.
6219 2006-06-02 Roger Sayle <roger@eyesopen.com>
6221 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6222 are type correct. Clean-up.
6223 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6224 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6226 2006-06-01 DJ Delorie <dj@redhat.com>
6228 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6229 shift, as we've disabled the "switch" insn that needs it.
6231 2006-06-01 Per Bothner <bothner@bothner.com>
6233 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6234 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6235 * c-ppoutput.c (cb_define): Don't increment line 0.
6237 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6239 * doc/invoke.texi: Add cpu_type power6.
6240 * config.gcc: Add cpu_type power6.
6241 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6242 to power5+ with Altivec.
6243 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6244 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6246 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6248 * config/avr/avr.h (SET_ASM_OP): Define.
6250 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6252 * config/bfin/bfin.c: Fix comment typos.
6254 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6257 * doc/install.texi: Document --enable-bootstrap and
6258 --disable-bootstrap.
6260 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6262 * doc/install.texi: Document that InfoZIP can replace jar.
6264 2006-05-31 Roger Sayle <roger@eyesopen.com>
6266 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6267 isn't available, directly generate the simpler x87 patterns without
6268 the (use (const_int 0)).
6269 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6270 implementation isn't available.
6271 (*negdf2_1): Likewise.
6272 (*negxf2_1): XF mode negation is always done using the x87.
6273 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6275 2006-05-31 Roger Sayle <roger@eyesopen.com>
6277 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6278 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6280 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6282 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6284 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6285 * config/bfin/bfin.c (basic-block.h): Include.
6286 (struct machine_function): New.
6287 (bfin_init_machine_status): New.
6288 (override_options): Initialize init_machine_status.
6289 (bfin_hardware_loop): New.
6290 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6291 (DEF_VEC_P (loop_info)): New.
6292 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6293 (struct loop_info): New.
6294 (loop_info): New typedef.
6295 (struct loop_work): New.
6296 (loop_work): New typedef.
6297 (DEF_VEC_O (loop_work)): New.
6298 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6299 (bfin_dump_loops): New.
6300 (bfin_bb_in_loop): New.
6301 (bfin_scan_loop): New.
6302 (bfin_optimize_loop): New.
6303 (bfin_reorg_loops): New.
6304 (bfin_reorg): Use bfin_reorg_loops.
6305 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6307 (I_REGNO_P): Simplify.
6308 (DP_REGNO_P, DPREG_P): New macros.
6309 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6310 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6311 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6312 Add LT_REGS, LC_REGS, LB_REGS.
6313 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6315 (REGNO_REG_CLASS): Deal with loop registers.
6316 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6318 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6319 New constants for loop registers.
6320 (UNSPEC_LSETUP_END): New.
6321 (seq_insns): New define_attr. Set it for appropriate insns.
6322 (movsi_insn): Add alternatives for move from/to
6323 loop count registers.
6324 (doloop_end): New define_expand.
6325 (loop_end): New define_insn.
6326 (define_split for bad doloop_end): New.
6327 (lsetup_with_autoinit): New define_insn.
6328 (lsetup_without_autoinit): New define_insn.
6329 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6330 * config/bfin/predicates.md (lc_register_operand): New.
6331 (lt_register_operand): New.
6332 (lb_register_operand): New.
6333 (nondp_register_operand): New.
6334 (nondp_reg_or_memory_operand): New.
6335 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6337 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6339 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6340 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6342 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6344 * Makefile.in (CATALOGS): Add po/ prefix.
6345 * configure: Regenerated.
6347 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6350 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6351 a shift operand before calling shift_op. Avoid redundant call of
6354 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6355 DJ Delorie <dj@redhat.com>
6357 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6358 we're inserting is a singlt-bit constant.
6360 2006-05-30 Roger Sayle <roger@eyesopen.com>
6362 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6363 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6365 2006-05-30 Roger Sayle <roger@eyesopen.com>
6367 PR tree-optimization/23452
6368 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6369 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6370 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6371 complex values and with -ffast-math for FP complex values.
6373 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6375 * c-common.h: Remove the prototype for yyparse.
6376 * rtl.h: Remove the prototype for init_loop.
6378 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6380 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6383 2006-05-30 Roger Sayle <roger@eyesopen.com>
6385 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6387 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6388 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6390 2006-05-30 Dirk Mueller <dmueller@suse.de>
6393 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6394 for CONSTANT_CLASS_P expresisons.
6396 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6399 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6401 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6403 PR tree-optimization/27779
6404 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6405 initial_condition instead of CHREC_LEFT.
6407 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6409 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6410 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6411 Make prototypes ISO C90.
6413 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6414 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6416 * see.c (see_analyze_one_def): Correct check.
6417 (see_get_extension_data): Check if extension is parallel.
6418 (see_get_extension_reg): Likewise.
6420 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6423 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6424 into register for (code == GTU).
6426 2006-05-29 Roger Sayle <roger@eyesopen.com>
6428 PR tree-optimization/24964
6429 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6430 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6431 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6432 abs(x)*abs(x) as x*x for scalar floating point modes.
6434 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6437 * lambda-code.c (perfect_nestify): Don't copy statements
6438 in the inner loop: move them to the inner loop header.
6440 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6443 * c-tree.texi: Document OpenMP directives and clauses.
6445 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6447 * varasm.c (globalize_decl): Fix indentation.
6449 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6452 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6453 pass_fre, pass_store_ccp, pass_copy_prop,
6454 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6455 pass_return_slot, pass_object_size, pass_lim,
6456 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6457 pass_loop_prefetch and pass_stdarg.
6459 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6461 * config/bfin/bfin.opt (mfdpic): New option.
6462 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6463 (EXTRA_MULTILIB_PARTS): Likewise.
6464 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6465 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6467 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6468 (CRT_CALL_STATIC_FUNCTION): New.
6469 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6471 (CRT_CALL_STATIC_FUNCTION): New.
6472 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6474 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6475 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6476 (initialize_trampoline): Changed to handle FD-PIC code generation.
6477 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6478 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6479 (override_options): Disallow -mid-shared-library -mfdpic combination.
6480 Can't do unaligned ops if FD-PIC.
6481 Turn off flag_pic if trying to generate non-id-shared-library
6482 non-fdpic code, since it's not supported.
6483 (bfin_assemble_integer): New function.
6484 (TARGET_ASM_INTEGER): Define.
6485 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6487 * config/bfin/crtn.s: Restore them.
6488 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6490 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6491 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6492 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6493 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6494 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6496 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6497 FDPIC_REGS and FDPIC_FPTR_REGS.
6498 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6499 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6500 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6501 (load_funcdescsi): New pattern.
6502 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6503 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6504 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6506 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6508 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6511 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6513 * tree-flow.h: Remove the prototype for add_type_alias.
6514 * tree-ssa-alias.c (add_type_alias): Remove.
6516 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6518 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6519 config/fr30/fr30.md, config/i386/i386-interix.h,
6520 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6521 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6522 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6523 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6524 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6525 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6526 Follow spelling conventions.
6527 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6528 Follow spelling conventions.
6530 2006-05-27 Richard Guenther <rguenther@suse.de>
6533 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6534 to produce a constant of value 1 of generic type.
6536 2006-05-27 Dirk Mueller <dmueller@suse.de>
6538 * cgraphunit.c (decide_is_function_needed): Fix wrong
6541 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6543 PR rtl-optimization/27661
6544 * reload.c (find_reloads): When reloading a VOIDmode constant
6545 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6546 use Pmode as mode of the reload register.
6548 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6550 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6551 is enabled at -O and above.
6553 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6556 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6559 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6562 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6563 for anonymous variables explicitly declared by front ends.
6565 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6567 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6568 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6569 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6570 ref-all pointers, run a finalization pass for them.
6571 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6572 (finalize_ref_all_pointers): New function.
6573 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6574 regular pointer type to a ref-all pointer type.
6575 (get_tmt_for): Return the special memory tag for ref-all pointers.
6577 2006-05-25 Richard Guenther <rguenther@suse.de>
6580 * fold-const.c (fold_binary): Do not look at the stripped
6581 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6583 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6585 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6586 for LT and GT if the computed range is effectively empty.
6588 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6591 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6592 mips_quad_format formats instead of ieee_single_format,
6593 ieee_double_format and ieee_quad_format formats, respectively.
6595 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6597 PR tree-optimization/27639
6598 PR tree-optimization/26719
6599 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6600 call to scev_probably_wraps_p.
6601 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6602 used_in_pointer_arithmetic_p, convert_step): Removed.
6603 (nowrap_type_p): New function.
6604 (scev_probably_wraps_p): Rewritten.
6605 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6606 chrec_convert if chrec_convert_aggressive might have been used.
6607 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6608 scev_direction): New functions.
6609 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6610 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6611 instead of convert_step.
6612 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6613 (convert_step): Declaration removed.
6614 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6616 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6618 * df-core.c: Added to header comments.
6619 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6620 df_ur_bb_info, df_urec_bb_info): Added comments.
6621 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6622 urec, ri problems): Fixed header comments.
6623 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6624 code from df_rd_transfer_function.
6626 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6628 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6629 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6630 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6632 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6634 * expr.c (undefined_operand_subword_p): New.
6635 (emit_move_multi_word): Do not generate move from undefined bits
6636 of a paradoxical subreg.
6638 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6640 PR rtl-optimization/27736
6641 * combine.c (replaced_rhs_value): New variable.
6642 (combine_instructions): Set it.
6643 (distribute_notes): When distributing a note in replaced_rhs_insn,
6644 check whether the value was used in replaced_rhs_value.
6646 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6649 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6650 add_referenced_var instead of add_referenced_tmp_var.
6651 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6652 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6654 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6655 tree_optimize_tail_calls_1): Use add_referenced_var.
6656 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6657 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6658 Use add_referenced_var.
6659 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6660 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6661 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6662 Use add_referenced_var.
6663 * tree-dfa.c (struct walk_state): Remove.
6664 (find_referenced_vars): Remove walk state and vars_found hash table.
6665 (make_rename_temp): Use add_referenced_var.
6666 (find_vars_r): Pass less parameters to add_referenced_var.
6667 (referenced_var_p): New. Is var in referenced_var hash table.
6668 (referenced_var_insert): Assert var isn't already in hash table.
6669 (add_referenced_var): Don't need walk_state parameter. Add var if it
6670 isn't already in the hash table.
6671 (add_referenced_tmp_var): Remove.
6672 (find_new_referenced_vars_1): Use add_referenced_var.
6673 * tree-ssa-pre.c (create_expression_by_pieces,
6674 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6675 Use add_referenced_var.
6676 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6677 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6678 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6680 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6681 vect_create_data_ref_ptr, vect_create_destination_var,
6682 vect_init_vector, vect_build_loop_niters,
6683 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6684 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6685 Use add_referenced_var.
6686 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6687 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6688 (add_referenced_var): Add prototype.
6689 * tree-ssa-structalias.c (get_constraint_for,
6690 intra_create_variable_infos): Use add_referenced_var.
6692 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6694 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6695 big-endian paradoxical subregs.
6696 * var-tracking.c (struct micro_operation_def): Document that,
6697 for modify micro operations, insn is the subsequent instruction.
6698 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6699 (var_reg_set, var_mem_set): ... new functions.
6700 (add_stores): Record subsequent insn.
6701 (compute_bb_dataflow): Use new functions for MO_USE.
6702 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6703 notes after the insn, and modify notes before the insn known
6704 to be the subsequent one.
6705 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6707 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6710 * config/i386/i386.c (ix86_expand_builtin): Use
6711 gen_sse3_monitor64 for TARGET_64BIT.
6713 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6715 PR rtl-optimization/26375
6716 PR rtl-optimization/26855
6717 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6719 (df_ru_bb_local_compute): Reversed statements and removed bogus
6720 comment explaining why they should be in wrong order.
6721 (df_ru_dump, df_rd_dump): Enhanced debug info.
6722 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6724 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6725 reaching uses and fixed space problem.
6727 2006-05-23 Jan Hubicka <jh@suse.cz>
6729 * cgraphunit.c (decide_is_function_needed): Also nested functions
6730 and functions declared inline can be optimized out at -O0.
6732 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6734 * doc/install.texi (Configuration): Remove reference to CrossGCC
6738 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6741 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6742 ix86_compare_emitted is non-NULL.
6744 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6747 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6750 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6752 PR rtl-optimization/25514
6753 * combine.c (replaced_rhs_insn): New variable.
6754 (combine_instructions): Set replaced_rhs_insn when trying to replace
6755 a SET_SRC with a REG_EQUAL note.
6756 (distribute_notes): Use replaced_rhs_insn when determining the live
6757 range of a REG_DEAD register.
6759 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6760 Anatoly Sokolov <aesok@post.ru>
6762 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6763 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6764 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6765 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6766 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6767 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6768 at90usb647, at90usb1286 and at90usb1287 devices.
6769 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6770 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6772 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6774 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6776 2006-05-22 Richard Guenther <rguenther@suse.de>
6779 2006-01-31 Richard Guenther <rguenther@suse.de>
6780 Paolo Bonzini <bonzini@gnu.org>
6782 * doc/install.texi (--disable-libgcc-math): Document.
6784 2006-05-22 Richard Guenther <rguenther@suse.de>
6787 2006-01-31 Richard Guenther <rguenther@suse.de>
6789 * doc/invoke.texi (-msselibm): Document.
6790 * target.h (expand_library_builtin): New target hook.
6791 * builtins.c (expand_builtin): Use expand_library_builtin.
6792 (default_expand_library_builtin): New function.
6793 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6794 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6795 (link_gcc_math_spec): Declare.
6796 (static_specs): Add link_gcc_math_spec.
6797 * expr.h (default_expand_library_builtin): Declare.
6798 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6799 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6800 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6801 * config/i386/i386.opt (msselibm): New target option.
6802 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6803 (ix86_init_sse_abi_builtins): New function.
6804 (ix86_expand_library_builtin): Likewise.
6805 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6806 (override_options): Handle error conditions wrt -msselibm.
6807 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6808 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6809 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6812 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6815 * c-common.c (self_promoting_args_p): Skip erroneous args.
6818 * c-decl.c (finish_struct): Skip erroneous fields.
6820 2006-05-22 Nick Clifton <nickc@redhat.com>
6822 * config/cris/cris.opt (march): Remove VarExists attribute.
6823 (max-stackframe=): Likewise.
6825 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6827 * doc/rtl.texi: Fix a typo.
6828 * see.c: Fix comment typos.
6830 * tree-ssa-structalias.h (alias_info): Remove num_references.
6832 2006-05-21 Mike Stump <mrs@apple.com>
6834 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6836 (darwin_pragma_options): Use BAD instead.
6837 (darwin_pragma_unused): Likewise.
6838 (darwin_pragma_ms_struct): Likewise.
6840 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6842 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6844 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6846 PR rtl-optimization/27671
6847 * simplify-rtx.c (simplify_relational_operation_1): Fix
6848 simplifications of (eq/ne (xor x y) y) and
6849 (eq/ne (xor x y) x).
6851 PR tree-optimization/26622.
6852 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6855 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6857 * tree-cfg.c: Prune whitespace.
6858 (debug_tree_cfg): Point to correct header containing the
6861 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6864 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6866 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6869 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6870 or sorry count is non zero.
6872 2006-05-20 Andreas Schwab <schwab@suse.de>
6874 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6876 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6877 Kenneth Zadeck <zadeck@naturalbridge.com>
6879 PR rtl-optimization/26855
6881 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6883 (df_scan_alloc): Added code to properly handle multiword hard
6884 registers and add all_blocks parameter.
6885 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6886 code to properly handle multiword hard registers.
6887 (df_rescan_blocks): Added code to remove deleted blocks from
6889 (df_ref_create_structure, df_ref_record): Added code to properly
6891 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6892 and set DF_REF_PARTIAL.
6893 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6894 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6895 (df_scan_add_problem): Added flags parameter.
6896 (df_ref_create_structure): Changed switching structure.
6897 (df_bb_refs_record): Fixed case where duplicate artificial refs
6898 were created. Changed location of flags.
6899 (df_record_entry_block_defs): Added code to make stack pointer
6900 live in entry block. Refined cases where frame pointer is needed.
6901 Changed location of flags.
6902 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6903 (df_set_state): Removed function.
6904 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6905 df_insn_create_insn_record, df_insn_refs_delete,
6906 df_ref_create_structure): Formatting changes.
6907 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6908 df_delete_basic_block): New function.
6909 (df_init): Changed location of flags.
6910 (df_add_problem): Added flags parameter and the way flags are
6912 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6913 debug_df_chain): Improved debugging output.
6914 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6915 (df_refs_chain_dump): Removed df parameter.
6916 (df_iterative_dataflow): Added consistency check.
6917 (df_prune_to_subcfg): Made public.
6918 (df_analyze_problem): Added blocks_to_init parameter and made
6920 (df_ref_record, df_bb_refs_record, df_mark_reg,
6921 df_record_exit_block_uses): Whitespace changes.
6922 (df_dump): Whitespace changes.
6923 * df.h: Some reordering to remove forward references.
6924 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6925 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6926 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6927 (dataflow.flags): New field.
6928 (df.flag): Deleted field.
6929 (df_alloc_function): Added additional bitmap parameter.
6930 (df_dependent_problem_function): New type.
6931 (df_problem.changeable_flags): New field.
6932 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6933 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6934 (df_mw_hardreg): New struct.
6935 (DF_INSN_UID_MWS): New macro.
6936 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6938 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6939 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6940 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6941 (df_set_state): Removed function.
6942 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6943 * df-problems.c (df_chain_dump): Removed df parameter.
6944 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6945 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6947 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6948 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6949 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6950 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6951 DF_REF_MUST_CLOBBER cases.
6952 (df_ru_bb_local_compute_process_def,
6953 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6954 df_lr_bb_local_compute, df_ur_bb_local_compute,
6955 df_chain_create_bb): Made subreg aware.
6956 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6957 df_lr_bb_local_compute, df_lr_bb_local_compute,
6958 df_chain_create_bb): Cleanup to use proper macros.
6959 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6960 code to fixup bitvectors.
6961 (df_ri_alloc): Cleared lifetime.
6962 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6963 df_create_unused_note): New function.
6964 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6965 REG_DEAD and REG_UNUSED notes as well as register information.
6966 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6967 df_chains_dump): Fixed crash if problem was never run.
6968 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6969 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6970 df_ri_add_problem): Processes flags in uniform manner.
6971 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6972 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6973 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6974 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6975 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6976 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6977 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6978 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6979 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6980 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6981 * see.c (see_initialize_data): Ditto.
6982 * final.c (rest_of_clean_state) Added regstack_completed.
6983 * rtl.h (regstack_completed): Ditto.
6984 * reg-stack.c (regstack_completed): Ditto.
6986 2006-05-19 Mike Stump <mrs@apple.com>
6988 * c-tree.h (default_conversion): Remove.
6989 * c-common.h (default_conversion): Add.
6991 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6993 * tree-vrp.c (valid_value_p): New function.
6994 (adjust_range_with_scev): Fail if the value of bound is not
6997 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6999 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7000 (mips_fallback_frame_state): Use syscall numbers to determine
7001 the appropriate li instruction for the current ABI. Only use
7002 __NR_sigreturn for o32.
7004 2006-05-19 Nicolas Setton <setton@adacore.com>
7006 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7007 * langhooks.c (lhd_dwarf_name): New function.
7008 * langhooks-def.h (lhd_dwarf_name): Declare.
7009 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7010 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7011 * ada/misc.c (gnat_dwarf_name): New function.
7012 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7014 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7016 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7018 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7019 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7020 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7021 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7022 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7023 determine the size of Wtype, etc.
7024 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7025 (swfloatfuncs): New variable.
7026 (dwfloatfuncs): Likewise.
7027 (lib2funcs): Remove floating-point conversion functions from
7028 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7029 the set of conversion routines needed. Allow entries to specify
7030 an object name, filename and word size. Update users accordingly.
7031 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7032 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7036 2006-02-08 Roger Sayle <roger@eyesopen.com>
7039 * config/fixtfdi.c: New libgcc source file.
7040 * config/fixunstfdi.c: New source file.
7041 * config/floatditf.c: New source file.
7042 * config/floatunditf.c: New souce file.
7043 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7044 files above instead of config/mips/_tilib.c.
7045 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7047 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7049 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7050 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7052 2006-05-18 Mike Stump <mrs@apple.com>
7054 Fix up vla, vm and [*] sematics.
7060 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7061 (c_vla_unspec_p): Add.
7062 (c_vla_type_p): Add.
7063 * c-decl.c (struct c_scope): Add had_vla_unspec.
7064 (build_array_declarator): Add support for [*].
7065 (grokdeclarator): Likewise.
7066 (grokparms): Likewise.
7067 (get_parm_info): Likewise.
7068 * c-objc-common.c (c_vla_unspec_p): Likewise.
7069 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7070 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7071 typeof when argument is a variably modified type not inside sizeof or alignof.
7072 (c_parser_direct_declarator_inner): Propagate errors.
7073 (c_parser_sizeof_expression): Add support for [*].
7074 (c_parser_parms_declarator): Initialize had_vla_unspec.
7075 (c_parser_parms_list_declarator): Likewise.
7076 * c-typeck.c (c_vla_type_p): Add.
7077 (composite_type): Add support for vla compositing.
7078 (comptypes_internal): Add support for vla compatibility.
7079 (c_expr_sizeof_expr): Evaluate vla arguments.
7080 * tree.c (variably_modified_type_p): Update comment for [*].
7082 2006-05-18 Michael Matz <matz@suse.de>
7085 * config.host: Make assignments to host_xmake_file cumulative.
7086 * config.host (*-darwin*): Test $host, not $target.
7088 2006-05-12 Stuart Hastings <stuart@apple.com>
7090 * config/i386/i386.opt (-mstackrealign): New flag.
7091 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7092 (ix86_handle_cconv_attribute): Emit error when
7093 force_align_arg_pointer attribute collides with too many regparms.
7094 (ix86_function_regparm): Limit regparms when used with
7095 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7096 Support stack-realigning prologue in non-main functions. Emit
7097 warning for nested functions under -mstackrealign, emit error for
7098 nested functions with force_align_arg_pointer attribute.
7099 * doc/extend.texi (force_align_arg_pointer): Document it.
7100 * doc/invoke.texi (-mstackrealign): Document it.
7102 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7104 PR rtl-optimization/27477
7105 * combine.c (try_combine): Don't split a parallel consisting
7106 of two sets into two individual sets if both sets reference
7109 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7111 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7112 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7114 * doc/options.texi (VarExists): Updated.
7116 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7118 * unwind-dw2.c: Add declarations for uw_update_context and
7120 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7121 detected, advance frame state and context once to skip over stub.
7123 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7127 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7128 Call rewrite_into_loop_closed_ssa only when something changed.
7129 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7130 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7131 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7132 Test for perfect_nest_p here. Fix formating.
7133 (replace_uses_equiv_to_x_with_y): Fix formating.
7134 (stmt_uses_op): Removed.
7135 (can_convert_to_perfect_nest): Removed loopivs parameter.
7136 Complete the test by checking the scalar dependences.
7137 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7140 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7143 From Dan Kegel <dank@kegel.com>:
7144 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7146 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7148 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7149 if the element type is variably modified without recursing.
7151 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7154 * tree-loop-linear.c (try_interchange_loops): Test for
7155 no data dependences.
7157 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7159 PR tree-optimization/27548
7160 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7161 range of ssa names that appear on abnormal edges.
7162 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7163 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7165 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7168 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7170 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7173 * tree.h (OMP_PARALLEL_COMBINED): Define.
7174 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7175 (new_omp_context): Add is_combined_parallel argument.
7176 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7177 new_omp_context caller.
7178 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7179 Adjust gimplify_scan_omp_clauses callers.
7180 (omp_is_private): Issue errors if iteration variable is firstprivate
7181 or reduction in the current context.
7182 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7183 on combined parallel workshare constructs.
7185 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7187 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7188 (gcc-options.o): New rule.
7190 * optc-gen.awk: Protect variables for gcc-options.o with
7191 #ifdef GCC_DRIVER/#endif.
7193 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7195 Fix PR tree-optimization/27373
7196 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7197 (forward_propagate_addr_expr): Update call.
7199 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7201 * doc/options.texi: Move the Negative option.
7203 2006-05-16 Richard Guenther <rguenther@suse.de>
7205 PR tree-optimization/22303
7206 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7208 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7209 ccp_fold did not simplify the statement.
7211 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7214 * Makefile.in (GCC_OBJS): New.
7215 (OBJS-common): Add opts-common.o.
7216 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7217 (cpp$(exeext)): Likewise.
7218 (gcc.o): Also depend on opts.h.
7219 (opts-common.o): New.
7221 * common.opt (gcoff): Add Negative(gdwarf-2).
7222 (gdwarf-2): Add Negative(gstabs).
7223 (gstabs): Add Negative(gstabs+).
7224 (gstabs+): Add Negative(gvms).
7225 (gvms): Add Negative(gxcoff).
7226 (gxcoff): Add Negative(gxcoff+).
7227 (gxcoff+): Add Negative(gcoff).
7228 * config/i386/i386.opt (m32): Add Negative(m64).
7229 (m64): Add Negative(m32).
7231 * doc/options.texi: Document the Negative option.
7233 * gcc.c: Include "opts.h".
7234 (main): Call prune_options after expandargv.
7236 * optc-gen.awk: Generate common declarations for all flag
7237 variables in options.c. Output the neg_index field.
7239 * opts.c (find_opt): Moved to ...
7240 * opts-common.c: Here. New file.
7242 * opts.h (cl_option): Add a neg_index field.
7244 (prune_options): Likewise.
7246 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7249 * omp-low.c (expand_omp_parallel): Don't assert
7250 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7251 instead search for it.
7254 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7257 2006-05-16 Andreas Schwab <schwab@suse.de>
7259 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7262 2006-05-15 Roger Sayle <roger@eyesopen.com>
7265 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7266 integer constants other than zero are only legitimate on TARGET_64BIT.
7267 <CONST_VECTOR> Only zero vectors are legitimate.
7268 (ix86_cannot_force_const_mem): Integral and vector constants can
7269 always be put in the constant pool.
7271 2006-05-16 DJ Delorie <dj@redhat.com>
7273 * crtstuff.c (__dso_handle): Set section from
7274 TARGET_LBIGCC_SDATA_SECTION if defined.
7275 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7276 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7278 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7281 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7284 2006-05-16 Ben Elliston <bje@au.ibm.com>
7286 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7288 2006-05-15 Per Bothner <per@bothner.com>
7290 * tree.c: (last_annotated_node): Use source_locus typedef.
7291 This permits bootstrapping with --enable-mapped-location.
7293 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7295 PR tree-optimization/26830
7296 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7297 (info_for_ssa_name, current_info_for_ssa_name_age,
7298 blocks_to_update): New variables.
7299 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7300 (clear_ssa_name_info, initialize_flags_in_bb,
7301 mark_block_for_update): New functions.
7302 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7303 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7304 prepare_def_site_for): Use mark_block_for_update.
7305 (mark_def_interesting): Assert that the processed block is marked in
7306 blocks_to_update. Do not take blocks argument.
7307 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7309 (rewrite_update_init_block, rewrite_update_stmt): Only process
7310 blocks with statements to rewrite.
7311 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7312 (update_ssa): Initialize and free blocks_to_update. Do not
7313 clear flags on statements. Do not use blocks bitmap.
7314 * tree.h (SSA_NAME_AUX): Removed.
7315 (struct tree_ssa_name): Removed aux field.
7316 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7318 2006-05-15 Richard Guenther <rguenther@suse.de>
7320 PR tree-optimization/27603
7321 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7322 Do computations in original type.
7324 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7326 * see.c: Code style changes such as redundant paranthesis,
7327 redundant intialization of local variables etc.
7328 (see_main): Declared now as static.
7329 * doc/invoke.texi: Update that -fsee is not enabled by
7332 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7334 * omp-low.c (check_omp_nesting_restrictions): New function.
7335 (scan_omp_1): Call it.
7338 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7339 construct, return *VAR.
7341 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7343 PR rtl-optimization/27406
7344 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7347 2006-05-14 Roger Sayle <roger@eyesopen.com>
7349 PR rtl-optimization/27538
7350 * combine.c (expand_compound_operation): Call gen_lowpart
7351 before calling simplify_shift_const.
7353 2006-05-14 Roger Sayle <roger@eyesopen.com>
7355 PR rtl-optimization/22563
7356 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7357 a fixed width bitfield, always force the intermediates into psuedos.
7359 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7362 * mkconfig.sh: Use operator = instead of == for test.
7364 2006-05-13 Nick Clifton <nickc@redhat.com>
7366 * dwarf2out.c (dbx_reg_number): Check return value from
7367 LEAF_REG_REMAP and only use it if it is valid.
7368 (multiple_reg_loc_descriptor): Likewise.
7370 2006-05-13 Richard Guenther <rguenther@suse.de>
7372 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7375 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7377 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7378 information attached to non-INSNs such as NOTEs.
7379 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7381 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7383 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7385 * config/s390/s390.md: Adjust comment describing On constraint.
7387 2006-05-11 Jan Hubicka <jh@suse.cz>
7389 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7390 to be output at -O0.
7392 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7395 * fold-const.c (size_binop): Move sanity check for arguments to
7396 the beginning of the function.
7399 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7402 2006-05-11 Richard Guenther <rguenther@suse.de>
7405 * fold-const.c (fold_unary): Handle intermediate conversion
7406 to a pointer type like intermediate conversion to an integer
7407 type in folding of (T1)(T2)var to var.
7408 Match the code to the comment in the final conversion for
7409 (T1)(T2)var to (T1)var regarding to type precision. Rather
7410 than disallow T1 being of pointer type, assert that both T1
7411 and var are of pointer type or not. Make sure not to fall
7412 over the frontends lazyness wrt array to pointer decay though.
7414 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7416 * arm.c (arm_struct_value_rtx): Delete.
7417 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7418 (arm_init_cumulative_args): Always initialize nregs to zero.
7420 2006-05-10 Richard Guenther <rguenther@suse.de>
7422 PR tree-optimization/27532
7423 * tree-object-size.c (plus_expr_object_size): Fix typo.
7425 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7428 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7429 ashrdi_const, ashrdi3): Use a scratch register.
7431 2006-05-10 Richard Guenther <rguenther@suse.de>
7433 PR tree-optimization/27302
7434 * fold-const.c (operand_equal_p): For two comparisons,
7435 try comparison of one comparison code swapped if that yields
7438 2006-05-10 Ben Elliston <bje@au.ibm.com>
7440 * tree-pretty-print.c (pretty_print_string): No need to handle
7441 '\0' as a special character.
7443 * tree.h: Include "hashtab.h".
7444 (iterative_hash_expr): Use hashval_t in its prototype.
7445 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7447 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7450 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7451 (hppa*64*-*-hpux11*): Ditto.
7452 (hppa[12]*-*-hpux11*): Ditto.
7454 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7457 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7459 2006-05-09 Michael Matz <matz@suse.de>
7461 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7462 host_extra_gcc_objs and host_xmake_file.
7463 (<*-*-linux*>): Don't overwrite host_xmake_file.
7464 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7465 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7466 (host_detect_local_cpu): Declare.
7467 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7468 * config/i386/i386.c (override_options): Handle -mtune=native
7470 * config/i386/x-i386: New file.
7471 * config/i386/driver-i386.c: New file.
7472 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7475 2006-05-09 Dirk Mueller <dmueller@suse.de>
7476 Richard Guenther <rguenther@suse.de>
7479 * fold-const.c (fold_read_from_constant_string): Relax check
7480 for matching types to matching modes.
7482 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7484 PR rtl-optimization/27335
7485 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7488 2006-05-08 Chao-ying Fu <fu@mips.com>
7489 Richard Sandiford <richard@codesourcery.com>
7491 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7492 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7493 * config/mips/mips.md (UNSPEC_SCC): New constant.
7494 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7495 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7496 (mips_emit_compare): Use it.
7497 (mips_expand_vcondv2sf): New function.
7499 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7501 Fix PR tree-optimization/27093
7502 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7503 renaming when they become not-used_alone.
7505 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7507 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7508 relocation and relocation stubs.
7510 2006-05-08 Eric Christopher <echristo@apple.com>
7512 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7515 2006-05-08 Jan Hubicka <jh@suse.cz>
7518 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7519 unused static functions are needed.
7521 2006-05-08 Roger Sayle <roger@eyesopen.com>
7524 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7525 of a reg_equiv_constant if the result is a legitimate constant.
7527 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7530 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7531 standard 80387 constants, raise the cost to prevent
7532 compress_float_constant() to generate load from memory.
7534 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7536 * config/arm/constraints.md (c): Fix a typo.
7538 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7541 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7544 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7546 (_mm_mwait): Likewise.
7548 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7550 (sse3_monitor): Make it 32bit only.
7551 (sse3_monitor64): New. 64bit monitor.
7553 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7556 * config/i386/i386.c (classify_argument): Skip fields with invalid
7559 2006-05-07 Richard Guenther <rguenther@suse.de>
7561 PR tree-optimization/27409
7562 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7563 Do not try to find zero-sized subvars.
7565 2006-05-07 Richard Guenther <rguenther@suse.de>
7567 PR tree-optimization/27136
7568 * tree-ssa-loop-niter.c (get_val_for): Correct function
7569 comment, assert requirements.
7570 (loop_niter_by_eval): Stop processing if the iterated
7571 value did not simplify.
7573 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7575 * opts.c (flag_see): remove its setting at -O3.
7577 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7579 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7580 * arm/constraints.md: New file.
7581 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7582 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7583 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7584 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7585 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7586 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7587 * arm.md: Include constraints.md.
7588 (thumb_movsi_insn): Use satisfies_constraint_J.
7589 (movhi, movqi): Use satisfies_constraint_I.
7591 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7593 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7594 for atmeg a645 device.
7596 2006-05-06 Richard Guenther <rguenther@suse.de>
7598 PR tree-optimization/27151
7599 * tree-vect-transform.c (vectorizable_condition): Punt on
7600 values that have a different type than the condition.
7602 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7605 * c-parser.c (c_parser_cast_expression): Only insert casts into
7606 hash table if pointer.
7607 * function.c (used_types_insert_helper): Rename from
7609 (used_types_insert): Call used_types_insert_helper.
7610 * function.h (used_types_insert): Accept only one argument.
7612 2006-05-05 David Edelsohn <edesohn@gnu.org>
7614 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7615 scratch with output modifier.
7617 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7620 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7621 with output modifier.
7623 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7626 * config/mips/mips.c (mips_symbolic_address_p): Return true
7627 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7628 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7630 2006-05-04 Richard Guenther <rguenther@suse.de>
7632 PR tree-optimization/14287
7633 PR tree-optimization/14844
7634 PR tree-optimization/19792
7635 PR tree-optimization/21608
7636 PR tree-optimization/27090
7637 * tree-ssa-pre.c (try_combine_conversion): New function.
7638 (compute_avail): After constructing the value-handle
7639 expression, use try_combine_conversion to combine NOP_EXPRs
7640 with previous value-handle expressions and use the result if it
7643 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7645 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7647 2006-05-04 Jan Hubicka <jh@suse.cz>
7650 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7652 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7654 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7655 that this only matches CONST_INTs. All users changed to VOIDmode
7658 * config/bfin/bfin.c: Include "optabs.h".
7659 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7661 (enum bfin_builtins): Add a number of fractional and vector builtins.
7662 (bfin_init_builtins): Likewise.
7663 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7664 (safe_vector_operand, bfin_expand_binop_builtin,
7665 bfin_expand_unop_builtin): New functions.
7666 (bfin_expand_builtin): Handle the new builtins.
7667 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7670 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7673 * Makefile.in (OBJS-common): Add see.o.
7674 (see.o): Add dependencies.
7675 * common.opt (fsee): New flag for the see optimization was added.
7676 * opts.c (flag_see): Initialized.
7677 * passes.c (init_optimization_passes, pass_see): New pass.
7678 * rtl.h (see_main): Declaration as extern.
7679 * timevar.def (TV_SEE): New.
7680 * tree-pass.h (pass_see): Declaration as extern.
7681 * invoke.texi (-fsee): Document.
7682 * recog.c (validate_simplify_insn): New function.
7683 * recog.h (validate_simplify_insn): Declaration as extern.
7684 * df-problems.c (df_chain_dump): Check for NULL.
7686 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7687 Daniel Berlin <dberlin@dberlin.org>
7689 * cfgrtl.c (insert_insn_bb_end_new): New function.
7690 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7692 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7694 * df.h (struct web_entry): Moved from web.c.
7695 (union_defs): Declaration as extern.
7696 (unionfind_root): Likewise.
7697 (unionfind_union): Likewise.
7698 * web.c (struct web_entry): Moved to df.h.
7699 (unionfind_root): Remove static declaration.
7700 (unionfind_union): Likewise.
7701 (union_defs): Likewise and generalize to use callback function.
7702 (web_main): Update arguments for union_defs function call.
7704 2006-05-04 Richard Guenther <rguenther@suse.de>
7706 PR tree-optimization/26447
7707 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7708 produce SSA_NAME copies before the store stmt to avoid
7709 breaking exception handling.
7711 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7714 * gimplify.c (omp_is_private): If var is shared in some outer context,
7715 return false instead of true. Stop searching on parallel context
7718 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7721 * coverage.c: Use get_gcov_unsigned_t() instead of
7722 unsigned_type_node all over.
7724 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7726 PR tree-optimization/27381
7727 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7728 maintain the same immediate_use links.
7729 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7730 node rather than segfaulting.
7732 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7735 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7736 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7737 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7739 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7741 Fix PR tree-optimization/26626
7742 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7744 * tree-ssa-operands.c (access_can_touch_variable): Allow
7745 typecasting through union pointers.
7747 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7750 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7751 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7752 to find if var will be a global variable even in the nested context.
7753 (omp_copy_decl): Only check for global variable at the end, it might
7754 be overridden in outer contexts.
7755 (scan_sharing_clauses): For global variables don't create a field.
7756 (lower_rec_input_clauses): Do nothing for global shared variables.
7757 Emit a barrier at the end of ILIST if there were any decls in both
7758 firstprivate and lastprivate clauses.
7759 (lower_send_clauses): Do nothing for global variables except for
7762 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7764 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7765 of the correct signedness is returned.
7767 2006-05-02 Jeff Law <law@redhat.com>
7769 PR tree-optimization/27364
7770 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7771 multiply expressions.
7773 2006-05-02 Tom Tromey <tromey@redhat.com>
7775 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7777 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7780 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7781 -mthumb -fPIC are used.
7783 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7784 Joshua Kinard <kumba@gentoo.org>
7787 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7788 with 64-bit pointers.
7790 2006-05-02 Paul Brook <paul@codesourcery.com>
7792 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7794 (create_fix_barrier): Check that a suitable barrier location is
7796 (arm_reorg): Include ftmp->address in allowable range of addresses.
7798 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7801 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7804 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7807 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7808 around RESULT_DECL for result passed by reference.
7809 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7810 * omp-low.c (use_pointer_for_field): Don't look at
7811 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7812 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7813 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7814 time or var for passing by reference for
7815 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7816 TREE_ADDRESSABLE variables when passing by reference.
7818 * omp-low.c (dump_omp_region): Fix output formatting.
7821 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7822 (expand_omp_parallel): Likewise.
7823 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7826 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7827 on statement list containing also constructors and destructors.
7828 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7831 * except.c (duplicate_eh_regions): Fix clearing of
7832 cfun->eh->region_array entries.
7834 2006-05-01 DJ Delorie <dj@redhat.com>
7836 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7838 (gcc_cv_objdump): Likewise.
7839 * configure: Regenerated.
7841 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7844 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7845 templates for case 3 and 4.
7847 2006-05-01 DJ Delorie <dj@redhat.com>
7849 * vec.c: Include bconfig.h when appropriate.
7850 * Makefile.in (build/vec.o): Adjust dependencies.
7851 * mkconfig.sh: Make sure config.h isn't used for build machine
7854 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7856 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7858 (mark_phi_for_rewrite): New function.
7859 (insert_phi_nodes_for, mark_use_interesting): Call
7860 mark_phi_for_rewrite.
7861 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7862 (update_ssa): Initialize and free phis_to_rewrite.
7864 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7866 PR rtl-optimization/27291
7867 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7868 folded to a constant.
7870 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7872 PR tree-optimization/27283
7873 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7874 not whole # of iteration descriptions.
7875 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7876 uses abnormal ssa name.
7877 (niter_for_single_dom_exit): Ditto.
7878 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7879 return just the number of iterations.
7881 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7883 PR tree-optimization/27144
7884 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7885 (record_estimate): Only record constant upper bound.
7886 (infer_loop_bounds_from_undefined): Call
7887 compute_estimated_nb_iterations just once.
7888 (proved_non_wrapping_p): Renamed to ...
7889 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7890 (convert_step_widening, scev_probably_wraps_p): Call
7891 n_of_executions_at_most instead of proved_non_wrapping_p.
7892 (substitute_in_loop_info): Do not replace values in bounds.
7893 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7896 2006-05-01 Richard Henderson <rth@redhat.com>
7899 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7900 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7903 2006-05-01 Roger Sayle <roger@eyesopen.com>
7905 * c-typeck.c (parser_build_binary_op): Don't call the function
7906 unsigned_conversion_warning to spot operand/result type overflow.
7907 (build_binary_op): Instead, call convert_and_check instead of
7908 convert to report the problem when the operands are promoted.
7909 * c-common.c (unsigned_conversion_warning): Make static.
7910 * c-common.h (unsigned_conversion_warning): Delete prototype.
7912 2006-05-01 Richard Guenther <rguenther@suse.de>
7914 PR tree-optimization/26726
7915 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7917 (find_interesting_uses_address): ... we work around here
7918 by folding INDIRECT_REFs in the substituted base.
7920 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7922 * omp-low.c (dump_omp_region): Add newlines.
7924 2006-04-30 Roger Sayle <roger@eyesopen.com>
7926 * common.opt (Woverflow): New command line option.
7927 * c-common.c (constant_expression_warning): Check warn_overflow.
7928 (overflow_waring): Pass OPT_Woverflow to warning.
7929 (unsigned_conversion_warning): Likewise.
7930 (convert_and_check): Likewise.
7931 * doc/invoke.texi: Document new command line option.
7933 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7935 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7936 TARGET_NO_FP_IN_TOC for section anchors.
7937 (optimization_options): Enable section anchors for all
7938 non-"Objective" languages.
7940 2006-04-28 Eric Christopher <echristo@apple.com>
7942 * config/darwin-c.c (darwin_ms_struct): Move this
7943 (darwin_set_default_type_attributes): and this...
7944 * config/darwin.c: ... here.
7945 * config/darwin.h (darwin_ms_struct): Declare.
7947 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7949 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7951 2006-04-28 Roger Sayle <roger@eyesopen.com>
7954 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7955 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7956 an unsigned HOST_WIDE_INT.
7957 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7959 (really_start_incremental_init): No need to call convert because
7960 bitsize_zero_node is already of type bitsizetype.
7961 (push_init_level): Extract the value of constructor_index as an
7962 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7963 (process_init_element): Likewise.
7965 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7967 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7968 value before passing to make_relative_prefix.
7970 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7973 * builtins.c (expand_builtin_memset): Expand val in original mode.
7975 2006-04-27 Eric Christopher <echristo@apple.com>
7977 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7978 with #ifndef/#endif.
7979 * config/darwin-c.c (darwin_ms_struct): New.
7980 (darwin_pragma_ms_struct): Ditto.
7981 (darwin_set_default_type_attributes): Ditto.
7982 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7983 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7984 Register ms_struct pragma.
7985 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7986 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7987 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7988 darwin_set_default_type_attributes if TARGET_MACHO.
7990 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7992 PR tree-optimization/26854
7993 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7994 * doc/tree-ssa.texi: Update immuse iterator documentation.
7995 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7996 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7997 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7998 first_safe_imm_use, next_safe_imm_use): Remove.
7999 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8000 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8001 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8002 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8003 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8004 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8005 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8006 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8007 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8008 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8009 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8010 (perfect_nestify): Use new iterator.
8011 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8013 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8014 (next_imm_name): New field in struct immediate_use_iterator_d.
8015 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8016 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8017 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8018 * tree-cfg.c (replace_uses_by): Use new iterator.
8019 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8020 * tree-ssa-operands.c (correct_use_link): Remove.
8021 (finalize_ssa_use_ops): No longer call correct_use_link.
8023 2006-04-27 Stuart Hastings <stuart@apple.com>
8025 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8026 * config/t-darwin (crt3.o): Use it.
8027 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8028 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8029 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8030 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8031 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8034 2006-04-27 Roger Sayle <roger@eyesopen.com>
8036 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8037 size, force the intermediate into a new pseudo rather instead of
8038 performing both a bitwise AND and a bitwise IOR in memory.
8040 2006-04-27 Richard Guenther <rguenther@suse.de>
8042 PR rtl-optimization/26685
8043 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8044 this one "max-flow-memory-locations".
8046 2006-04-27 Richard Guenther <rguenther@suse.de>
8048 PR tree-optimization/25148
8049 * tree-vrp.c (compare_values): Remove code dealing with
8050 comparisons against type min/max value. Honour overflow
8051 and negative constants in code dealing with comparisons
8052 of plus and minus expressions.
8053 (value_inside_range): Use fold_binary with LE_EXPR and
8054 GE_EXPR rather than compare_values.
8056 2006-04-27 Dirk Mueller <dmueller@suse.de>
8058 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8061 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8063 * basic-block.h (safe_insert_insn_on_edge): Removed.
8064 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8066 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8067 Paolo Bonzini <bonzini@gnu.org>
8070 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8071 (simplify_and_const_int): Same.
8073 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8075 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8077 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8080 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8081 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8082 cgraph_global_info_ready.
8085 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8088 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8089 either decl or init is error_mark_node.
8092 * tree-flow.h (struct omp_region): Add sched_kind.
8093 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8094 instead of extracting omp for data.
8095 (expand_omp_for): Save extracted sched_kind.
8097 2006-04-25 Roger Sayle <roger@eyesopen.com>
8099 * expmed.c (store_bit_field): Also check whether the bitsize is
8100 valid for the machine's "insv" instruction before moving the
8101 target into a pseudo for use with the insv.
8102 * config/i386/predicates.md (const8_operand): New predicate.
8103 * config/i386/i386.md (extv, extzv, insv): Use the new
8104 const8_operand predicate where appropriate.
8106 2006-04-25 DJ Delorie <dj@redhat.com>
8108 * doc/install.texi (Specific): Clarify that this is not a list of
8109 supported hosts or targets.
8111 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8113 PR rtl-optimization/26725
8114 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8115 block's BB_DIRTY flag.
8117 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8119 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8122 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8123 to print an integer.
8125 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8127 * varasm.c (align_variable): New function.
8128 (get_block_for_decl): Apply align_variable to DECL before
8129 calculating section information.
8130 (assemble_variable): Split out alignment computation.
8132 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8134 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8137 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8139 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8140 MODE_PARTIAL_INT mode.
8141 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8142 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8144 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8145 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8147 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8149 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8151 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8152 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8153 MACFLAG_IH): Likewise.
8154 (movstricthi_1): Renamed from "*movstricthi".
8155 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8156 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8157 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8158 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8159 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8160 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8161 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8162 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8163 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8164 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8165 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8166 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8167 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8168 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8169 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8171 * doc/rtl.texi (ss_ashift): Improve wording.
8173 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8175 * dwarf2out.c (verify_marks_clear): New.
8176 (prune_unused_types): Call verify_marks_clear initially, not
8179 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8181 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8182 * doc/rtl.texi: Document them.
8183 * simplify-rtx.c (simplify_unary_operation,
8184 simplify_binary_operation_1): Don't abort when we see them.
8186 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8189 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8190 * configure.ac: Completely disregard languages that are not
8192 * configure: Regenerated.
8194 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8195 Richard Guenther <rguenther@suse.de>
8197 PR tree-optimization/27236
8198 * tree-inline.c (copy_body_r): Make sure to copy
8199 TREE_THIS_VOLATILE flag.
8201 2006-04-24 Richard Guenther <rguenther@suse.de>
8204 * tree-complex.c (update_parameter_components): Don't handle
8205 unused parameters which have no default def.
8207 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8208 Richard Guenther <rguenther@suse.de>
8210 PR tree-optimization/27218
8211 * tree-inline.c (expand_call_inline): Strip useless type
8212 conversions for the return slot address.
8214 2006-04-24 Richard Guenther <rguenther@suse.de>
8216 * cfgloop.h (struct loops): Remove unused field array. Reorder
8218 (LOOP_PREFETCH): Remove.
8220 2006-04-24 Richard Guenther <rguenther@suse.de>
8222 PR tree-optimization/22525
8223 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8224 variable, adjust types of generated expressions.
8226 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8228 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8229 (tree-vect-patterns.o): Likewise.
8231 (cselib.o): Likewise.
8232 (loop-doloop.o): Likewise.
8233 (regclass.o): Likewise.
8234 (reload1.o): Likewise.
8235 (explow.o): Replace target.h with $(TARGET_H).
8236 (ipa-prop.o): Likewise.
8237 (ipa-cp.o): Likewise.
8238 (ipa-inline.o): Likewise.
8239 (reorg.o): Likewise.
8240 (reg-stack.o): Likewise.
8242 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8244 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8246 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8248 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8250 * configure.ac: Completely disregard languages that are not
8252 * configure: Regenerated.
8255 * c-common.h (c_build_bitfield_integer_type): Declare.
8256 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8257 * c-common.c (c_build_bitfield_integer_type): ... here.
8259 2006-04-23 Roger Sayle <roger@eyesopen.com>
8262 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8263 a SImode SUBREG of a floating point register after no_new_pseudos.
8265 2006-04-23 Roger Sayle <roger@eyesopen.com>
8267 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8268 identify potentially eliminable registers to additionally catch
8269 VIRTUAL_INCOMING_ARGS_REGNUM.
8270 (addsi3): Update the conditions on when to use addsi_small_int.
8272 2006-04-23 Roger Sayle <roger@eyesopen.com>
8275 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8276 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8277 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8279 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8281 * fold-const.c (range_predecessor): Use operand_equal_p
8282 as the predicate for equality.
8283 (range_successor): Likewise.
8285 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8288 * config/soft-fp/op-common.h: Fix a typo.
8290 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8293 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8294 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8296 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8298 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8300 * doc/tm.texi: Fix a typo.
8302 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8304 * dwarf2out.c (struct die_struct): Document that die_sib makes
8305 a circular linked list.
8306 (FOR_EACH_CHILD): New.
8307 (reverse_die_lists): Delete.
8308 (reverse_all_dies): Delete.
8309 (add_dwarf_attr): Correct documentation.
8310 (remove_child_with_prev): New.
8311 (remove_child_TAG): Update for change to die_struct, use
8312 remove_child_with_prev.
8313 (add_child_die): Update for change to die_struct.
8314 (splice_child_die): Use remove_child_with_prev and add_child_die.
8315 (print_die): Use FOR_EACH_CHILD.
8316 (die_checksum): Likewise.
8317 (assign_symbol_names): Likewise.
8318 (output_location_lists): Likewise.
8319 (build_abbrev_table): Likewise.
8320 (calc_die_sizes): Likewise.
8321 (mark_dies): Likewise.
8322 (unmark_dies): Likewise.
8323 (unmark_all_dies): Likewise.
8324 (output_die): Likewise.
8325 (prune_unused_types_mark): Likewise.
8326 (prune_unused_types_walk): Likewise.
8327 (same_die_p): Update for change to die_struct.
8328 (break_out_includes): Likewise.
8329 (prune_unused_types_prune): Likewise.
8330 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8331 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8333 (dwarf2out_finish): Don't call reverse_all_dies.
8335 2006-04-21 Eric Christopher <echristo@apple.com>
8337 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8338 in comments and function names.
8340 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8343 * c-typeck.c (digest_init): Robustify.
8345 * c-typeck.c (pop_init_level): Simplify.
8347 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8349 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8351 2006-04-21 Paul Brook <paul@codesourcery.com>
8353 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8354 hardware floating point.
8356 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8358 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8361 2006-04-21 Nick Clifton <nickc@redhat.com>
8363 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8366 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8369 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8370 C++ lang type in traceback table for Objective-C++.
8372 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8374 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8376 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8378 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8381 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8382 were errors. Remove check for erroneous objects.
8384 2006-04-20 Jeff Law <law@redhat.com>
8386 PR tree-optimization/26854
8387 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8388 checking for zero or one use.
8389 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8390 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8391 * tree-ssa-reassoc.c (negate_value): Similarly.
8392 (reassociate_bb): Similarly.
8394 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8396 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8397 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8398 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8400 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8402 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8403 fp regs if the last fp arg doesn't fit in regs.
8405 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8408 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8409 that the last insn has the REG_INC note.
8411 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8412 Nathan Sidwell <nathan@codesourcery.com>
8415 * stor-layout.c (update_alignment_for_field): Do not align
8417 (place_union_field): Place union field at the start of the union.
8418 (place_field): Move ERROR_MARK check later, and use the current
8419 allocation position to maintain monotonicity.
8421 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8423 * dominance.c: Include timevar.h.
8424 (calculate_dominance_info): Use TV_DOMINANCE.
8425 * timevar.def (TV_DOMINANCE): New timevar.
8426 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8428 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8430 PR rtl-optimization/14261
8431 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8432 move would be an INSV insn.
8433 (noce_process_if_block): Don't optimize if the destination is a
8434 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8436 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8438 * config/s390/s390.md: Add comments with the instructions emitted
8439 by an insn pattern if macros are used.
8441 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8443 PR rtl-optimization/26026
8444 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8445 is a known power of two shifted left a variable amount.
8447 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8449 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8450 to hash table twice when the debug_str section has SECTION_MERGE.
8452 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8454 * config/soft-fp: New directory. From glibc.
8455 * config/soft-fp/t-softfp: New.
8456 * config/soft-fp/README: New.
8457 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8458 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8459 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8460 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8461 * config.gcc: Use rs6000/t-fprules-fpbit or
8462 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8464 * config/rs6000/sfp-machine.h: New. Based on glibc.
8465 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8467 * config/rs6000/t-fprules: Remove fp-bit rules.
8468 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8469 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8470 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8471 (softfp_wrap_start, softfp_wrap_end): New.
8473 2006-04-18 DJ Delorie <dj@redhat.com>
8475 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8477 2006-04-18 Devang Patel <dpatel@apple.com>
8479 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8481 2006-04-18 Nick Clifton <nickc@redhat.com>
8483 * config/sh/t-symbian: Add rule to build sh-c.o
8484 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8485 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8486 (sh_symbian_encode_section_info): Likewise.
8488 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8490 * builtins.c (expand_builtin_strcmp): Cover label definition of
8491 do_libcall with HAVE_cmpstrnsi.
8493 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8495 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8497 * function.h (temp_slot_p): New.
8498 (function): Change the type of x_used_temp_slots to
8499 VEC(temp_slot_p,gc) *.
8501 2006-04-18 Nick Clifton <nickc@redhat.com>
8503 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8504 flag_strength_reduce.
8506 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8508 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8512 Partial revert of revision 112637
8513 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8514 Dale Johannesen <dalej@apple.com>
8517 * regclass.c (struct reg_pref): Update documentation.
8518 (regclass): Set prefclass to NO_REGS if memory is the best option.
8519 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8521 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8523 PR tree-optimization/26821
8524 * tree-ssa-math-opts.c (get_constant_one): New.
8525 (insert_reciprocals): Use it.
8527 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8529 * dwarf2out.c (free_AT): Delete.
8530 (remove_AT): Update string ref counts.
8531 (remove_child_TAG): Don't call free_die.
8533 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8534 or DW_TAG_GNU_EINCL.
8535 (prune_unused_types_walk_attribs): Reset string refcounts.
8536 (prune_unused_types_update_strings): New.
8537 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8538 call free_die. Do call prune_unused_types_update_strings.
8539 (prune_unused_types): Empty debug_str_hash.
8541 2006-04-17 Roger Sayle <roger@eyesopen.com>
8543 * expr.c (expand_assignment): Optimize away no-op moves where the
8544 source and destination are equal and have no side-effects.
8546 2006-04-17 Richard Guenther <rguenther@suse.de>
8549 * reload.c (push_reload): Guard calls to get_secondary_mem
8552 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8554 * alias.c (reg_base_value, old_reg_base_value): Change the
8555 type to VEC(rtx,gc) *.
8556 (REG_BASE_VALUE, find_base_value, record_set,
8557 init_alias_analysis): Use VEC instead of VARRAY.
8559 * alias.c (alias_sets): Change the type to
8560 VEC(alias_set_entry,gc) *.
8561 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8562 VEC instead of VARRAY.
8563 (last_alias_set): Remove.
8565 * cgraph.h (cgraph_edge_p): New.
8566 Update the prototype of cgraph_function_versioning.
8567 * cgraphunit.c (cgraph_copy_node_for_versioning,
8568 cgraph_function_versioning): Use VEC instead of VARRAY.
8569 * ipa-cp.c (ipcp_insert_stage): Likewise.
8571 2006-04-16 Roger Sayle <roger@eyesopen.com>
8574 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8575 "A op B" or "A op C", we may need to convert A to the type of B and C.
8577 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8579 * target.h (struct gcc_target): Add mode_rep_extended.
8580 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8581 (init_num_sign_bit_copies_in_rep): Initialize it using
8583 (truncate_to_mode): Use it.
8584 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8585 * targhooks.h (default_mode_rep_extended): Declare it.
8586 * targhooks.c (default_mode_rep_extended): Define it.
8587 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8588 default_mode_rep_extended.
8589 (TARGET_INITIALIZER): Include it.
8590 * doc/tm.texi (Misc): Document it.
8591 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8592 (mips_truncated_to_mode): New function.
8594 2006-04-16 Roger Sayle <roger@eyesopen.com>
8597 * expr.c (compress_float_constant): Copy the narrow constant into
8598 a new pseudo before extending it to its final width.
8600 2006-04-16 Roger Sayle <roger@eyesopen.com>
8601 Andrew Pinski <pinskia@gcc.gnu.org>
8602 Dale Johannesen <dalej@apple.com>
8605 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8606 special case code to implement V8HImode and V16QImode with SSE2.
8608 2006-04-15 Roger Sayle <roger@eyesopen.com>
8610 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8611 trees are constructed with a suitable tree type.
8613 2006-04-15 Roger Sayle <roger@eyesopen.com>
8615 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8616 (integer_onep): Likewise.
8617 (integer_all_onesp): Likewise.
8618 (integer_pow2p): Likewise.
8619 (integer_nonzerop): Likewise.
8620 (real_zerop): Likewise.
8621 (real_onep): Likewise.
8622 (real_twop): Likewise.
8623 (real_minus_onep): Likewise.
8624 (int_size_in_bytes): Likewise.
8625 (host_integerp): Likewise.
8627 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8629 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8630 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8631 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8633 * tree-ssa-structalias.h (alias_info): Remove num_references.
8635 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8637 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8638 (output_bvb patterns): Likewise.
8639 * pa.c (output_bb): Use 'bb' insn for long branch case.
8640 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8641 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8642 1. Correct length operand for alternatives 1 and 2.
8643 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8644 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8646 2006-04-14 Roger Sayle <roger@eyesopen.com>
8648 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8649 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8650 were accidentally reverted by r112959.
8652 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8655 * except.h (eh_region_outermost): New prototype.
8656 * except.c (eh_region_outermost): New function.
8657 * tree-cfg.c (find_outermost_region_in_block): Use it.
8659 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8661 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8663 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8664 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8665 (init_reload, reload): Use VEC instead of VARRAY.
8666 * reload.h: Update the prototype for
8667 reg_equiv_memory_loc_varray.
8669 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8670 Eric Botcazou <ebotcazou@libertysurf.fr>
8672 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8675 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8678 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8679 to expand fallback builtin function call.
8681 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8684 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8685 and emit libcall here in case the builtin fails.
8686 (expand_builtin_strcmp): Always emit the libcall here on failure.
8688 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8690 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8691 * flow.c (reg_n_info): Change the type to
8692 VEC(reg_info_p,heap) *.
8693 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8695 * regs.h (reg_info_p): New.
8696 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8697 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8698 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8701 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8703 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8705 * params.h (MAX_SCHED_READY_INSNS): New macro.
8706 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8707 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8708 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8709 the ready list for 1 cycle during the first scheduling pass.
8710 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8712 2006-04-13 Richard Henderson <rth@redhat.com>
8715 * gimple-low.c (lower_omp_directive): Remove dead code.
8716 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8717 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8718 * omp-low.c (struct omp_region): Move to tree-flow.h.
8719 (root_omp_region): Export.
8720 (omp_regions, lookup_omp_region): Remove.
8721 (determine_parallel_type): Update for struct omp_region changes.
8722 (dump_omp_region): Dump regions with block numbers.
8723 (new_omp_region): Take type and block instead of stmt; malloc
8725 (free_omp_region_1, free_omp_regions): New.
8726 (expand_parallel_call): Take entry_stmt as argument; update for
8727 changes to omp_region.
8728 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8729 (remove_exit_barriers): New.
8730 (expand_omp_parallel): Update for struct omp_region changes.
8731 (expand_omp_synch): Likewise.
8732 (expand_omp): Likewise.
8733 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8734 (expand_omp_for_static_chunk): Likewise.
8735 (expand_omp_for): Likewise.
8736 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8737 (expand_omp_sections): Similarly, with GOMP_sections_end.
8738 (expand_omp_single): New.
8739 (build_omp_regions_1): Update for OMP_CONTINUE.
8740 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8741 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8742 OMP_SECTIONS_SECTIONS.
8743 (lower_omp_single_simple): Don't emit barrier here.
8744 (lower_omp_single_copy): Likewise.
8745 (lower_omp_single): Fix bindings, and lower to straightline now.
8746 (lower_omp_master, lower_omp_ordered): Likewise.
8747 (lower_omp_critical): Likewise.
8748 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8749 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8750 omp edges, free it afterward.
8751 (make_omp_sections_edges): Remove.
8752 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8753 (move_stmt_r): Handle OMP_CONTINUE.
8754 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8755 statement pointers to basic blocks. Add type member.
8756 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8757 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8758 * tree-inline.c (estimate_num_insns_1): Likewise.
8759 * tree-pretty-print.c (dump_generic_node): Likewise.
8760 * tree-ssa-operands.c (get_expr_operands): Likewise.
8761 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8762 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8763 (OMP_CONTINUE): New.
8764 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8765 (OMP_SECTIONS_SECTIONS): Remove.
8766 (OMP_SECTION_LAST): New.
8767 (OMP_RETURN_NOWAIT): New.
8769 2006-04-13 Roger Sayle <roger@eyesopen.com>
8771 * fold-const.c (native_encode_vector, native_interpret_real):
8772 Correct obvious mistakes in the previous check-in.
8774 2006-04-13 Roger Sayle <roger@eyesopen.com>
8776 * fold-const.c (native_encode_expr): New function to encode
8777 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8778 or VECTOR_CST into a specified buffer.
8779 (native_encode_int): New function.
8780 (native_encode_real): New function.
8781 (native_encode_complex): New function.
8782 (native_encode_vector): New function.
8783 (native_interpret_expr): Inverse of native_encode_expr to convert
8784 a target representation into an INTEGER_CST, REAL_CST etc...
8785 (native_interpret_int): New function.
8786 (native_interpret_real): New function.
8787 (native_interpret_complex): New function.
8788 (native_interpret_vector): New function.
8789 (fold_view_convert_expr): New function to constant fold/evaluate
8790 a VIEW_CONVERT_EXPR of a suitable constant expression.
8791 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8792 Change call of build1 to fold_build1 when constructing a
8795 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8796 Ulrich Weigand <uweigand@de.ibm.com>
8799 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8802 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8805 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8806 optimize to lo_sum for DFmode if !TARGET_FPRS.
8808 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8810 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8811 delete_alias_info, compute_flow_sensitive_aliasing,
8812 group_aliases): Use VEC instead of VARRAY.
8813 * tree-ssa-structalias.c (update_alias_info): Likewise.
8814 * tree-ssa-structalias.h (alias_info): Change the type of
8815 processed_ptrs to VEC(tree,heap) *.
8817 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8820 * config/sh/lib1funcs.h: New file, broken out of:
8821 * config/sh/lib1funcs.asm.
8822 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8824 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8825 * config/sh/lib1funcs-Os-4-200.asm: New file.
8826 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8827 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8828 (EXTRA_MULTILIB_PARTS): Include it.
8829 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8830 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8831 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8832 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8835 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8837 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8838 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8839 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8841 * tree-ssa-live.h: Include vecprim.h.
8842 (tree_partition_associator_d): Change the type of
8843 first_partition to VEC(int,heap) *.
8844 (tpa_first_partition): Use VEC instead of VARRAY.
8846 * Makefile.in (GTFILES): Move functions.h after tree.h.
8847 * function.c (reset_block_changes, record_block_change,
8848 check_block_change, free_block_changes): Use VEC instead of
8850 * function.h (function): Change the type of
8851 ib_boundaries_block to VEC(tree,gc) *.
8852 * tree-inline.c (copy_cfg_body): Initialize
8853 ib_boundaries_block to NULL instead of (varray_type) 0.
8855 2006-04-12 Roger Sayle <roger@eyesopen.com>
8857 * expr.c (emit_group_store): Correct operand order in call to
8858 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8859 a SUBREG_BYTE of zero.
8861 2006-04-12 Richard Guenther <rguenther@suse.de>
8863 * profile.c (compute_branch_probabilities): Remove code
8864 encapsulated in !ir_type (), which are remanents of the
8865 removed RTL profiling code.
8866 * rtl-profile.c: Remove.
8868 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8870 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8871 magic NULL_RTX comment.
8872 (function_arg): Store entire fp arg to mem if any part should go
8874 (rs6000_arg_partial_bytes): Adjust for above change.
8876 2006-04-11 Roger Sayle <roger@eyesopen.com>
8878 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8879 if it hasn't been initialized by dwarf2out_init.
8881 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8883 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8884 symbolic constants in branch patterns.
8886 2006-04-11 Roger Sayle <roger@eyesopen.com>
8888 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8890 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8892 PR rtl-optimization/27073
8893 * gcse.c (try_replace_reg): Revert last change. Continue to search
8894 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8897 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8899 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8900 aggregate types other than record and union types.
8901 (function_arg): Likewise.
8902 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8904 (function_value): In 64-bit mode, return objects that require it
8907 2006-04-11 Roger Sayle <roger@eyesopen.com>
8909 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8911 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8913 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8915 2006-04-03 Jeff Law <law@redhat.com>
8918 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8919 alias information too.
8921 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8923 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8925 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8928 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8929 (premark_used_types_helper): New.
8930 (premark_used_types): New.
8931 (gen_subprogram_die): Call premark_used_types.
8932 (prune_unused_types_walk): Do not prune perennial dies.
8933 * function.c (used_types_insert): New.
8934 * function.h (struct function): Add used_types_hash field.
8935 (used_types_insert): Add prototype.
8936 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8937 * c-parser.c (c_parser_cast_expression): Save casted types in used
8940 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8943 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8944 rs6000_explicit_options.float_gprs.
8946 2006-04-10 Roger Sayle <roger@eyesopen.com>
8948 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8949 from ix86_expand_vector_init_low_nonzero. Take an additional
8950 one_var argument indicating which element is non-zero. Support
8951 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8952 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8953 with one_var instead of ix86_expand_vector_init_low_nonzero.
8955 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8957 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8958 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8959 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8960 build/genextract.o): Depend on vecprim.h.
8961 * cfglayout.c, df-problems.c, function.c, genextract.c,
8962 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8963 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8967 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8969 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8970 Declare VECs of this type.
8971 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8972 (remove_children): Delete.
8973 (add_dwarf_attr): Use VEC routines.
8974 (add_AT_flag): Update for changes to add_dwarf_attr.
8975 (add_AT_int): Likewise.
8976 (add_AT_unsigned): Likewise.
8977 (add_AT_long_long): Likewise.
8978 (add_AT_vec): Likewise.
8979 (add_AT_string): Likewise.
8980 (add_AT_die_ref): Likewise.
8981 (add_AT_fde_ref): Likewise.
8982 (add_AT_loc): Likewise.
8983 (add_AT_loc_list): Likewise.
8984 (add_AT_addr): Likewise.
8985 (add_AT_lbl_id): Likewise.
8986 (add_AT_lineptr): Likewise.
8987 (add_AT_macptr): Likewise.
8988 (add_AT_offset): Likewise.
8989 (add_AT_range_list): Likewise.
8990 (get_AT): Use VEC_iterate.
8991 (remove_AT): Use VEC_ordered_remove.
8992 (free_die): Fold remove_children into here; have it use VEC_iterate.
8993 (print_die): Use VEC_iterate on attrs.
8994 (reverse_die_lists): Don't reverse attr lists.
8995 (die_checksum): Use VEC_iterate on attrs.
8996 (same_die_p): Likewise.
8997 (output_location_lists): Likewise.
8998 (build_abbrev_table): Likewise.
8999 (size_of_die): Likewise.
9000 (unmark_all_dies): Likewise.
9001 (output_abbrev_section): Likewise.
9002 (output_die): Likewise.
9003 (prune_unused_types_walk_attribs): Likewise.
9005 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9007 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9009 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9012 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9014 2006-04-09 Roger Sayle <roger@eyesopen.com>
9016 * expr.c (store_constructor): Don't bother clearing target if
9017 we're about to assign a vector to it using vec_init_optab.
9019 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9021 * tree-ssa-alias.c (lhs_may_store_to): New function.
9022 (recalculate_used_alone): Handle LHS of calls.
9024 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9028 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9029 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9030 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9031 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9032 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9033 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9034 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9035 stubs. Add ".align 8" directives before all ".dword" directives.
9036 (GTHREAD_USE_WEAK): Revise comment.
9037 (TARGET_ATTRIBUTE_WEAK): Define.
9038 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9039 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9040 * stublib.c: New file.
9045 * pa.md (cbranch patterns): Revise arguments used in calls to
9046 output_cbranch, output_bb and output_bvd. Add long branch length
9048 (fbranch patterns): Handle long branches.
9049 (jump): Revise length check. Revise arguments for output_lbranch call.
9050 Add long branch length attributes.
9051 (decrement_and_branch_until_zero): Add long branch length attributes.
9052 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9053 Likewise. Revise arguments for output_parallel_addb and
9054 output_parallel_movb calls.
9055 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9056 output_parallel_movb and output_parallel_addb): Update prototypes.
9057 * pa.c (output_cbranch): Revise arguments. Correct handling of
9058 nullification in long branches.
9059 (output_lbranch): Add new argument to control extraction of delay
9061 (output_bb): Handle long branches.
9062 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9063 output_parallel_addb): Likewise.
9065 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9067 PR rtl-optimization/27073
9068 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9071 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9073 * tree.h (tree_memory_tag): Add old_used_alone.
9074 (SMT_OLD_USED_ALONE): New macro.
9075 * tree-ssa-alias.c (recalculate_used_alone): Stop
9076 marking things for renaming unnecessarily.
9078 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9080 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9081 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9082 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9083 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9084 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9085 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9086 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9087 spelling convensions.
9088 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9089 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9090 typos. Follow spelling conventions.
9092 2006-04-07 DJ Delorie <dj@redhat.com>
9094 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9095 passed on the stack.
9096 (m32c_init_cumulative_args): When a function returns a structure,
9097 always pass the pointer to that return area on the stack.
9098 (m32c_function_arg_advance): Don't increment the parameter number
9099 if we're processing the returned structure pointer.
9100 (pushm_info): Reverse order of registers.
9102 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9104 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9105 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9106 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9107 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9109 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9110 chrec_fold_multiply): Same.
9111 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9112 force_expr_to_var_cost): Same.
9113 * tree-mudflap.c (mf_xform_derefs_1): Same.
9114 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9116 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9118 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9119 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9122 2006-04-07 Jan Hubicka <jh@suse.cz>
9124 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9126 2006-04-07 Richard Guenther <rguenther@suse.de>
9128 PR tree-optimization/26135
9129 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9130 loads for store copy-prop.
9131 (copy_prop_visit_stmt): Likewise.
9133 2006-04-05 Robert Millan <robertmh@gnu.org>
9135 * config/i386/linux.h: Add a comment to mark macros that are
9136 being overriden in config/k*bsd-gnu.h.
9137 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9139 * config/knetbsd-gnu.h: Ditto.
9141 2006-04-06 Jan Hubicka <jh@suse.cz>
9145 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9148 2006-04-06 Mike Stump <mrs@apple.com>
9150 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9151 for HAVE_nonlocal_goto to be consistent.
9152 (expand_builtin_nonlocal_goto): Likewise.
9153 (expand_builtin_strcmp): Use #ifdef instead of #if
9154 for HAVE_cmpstrnsi to be consistent.
9156 2006-04-05 DJ Delorie <dj@redhat.com>
9158 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9161 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9163 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9164 got-relative addressing for anything but SImode.
9166 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9167 even if the calling function doesn't modify them.
9169 2006-04-05 Richard Guenther <rguenther@suse.de>
9171 PR tree-optimization/26919
9172 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9173 to cgraph_estimate_size_after_inlining.
9175 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9177 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9179 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9181 PR tree-optimization/26996
9182 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9183 VECTOR_TYPE variables.
9185 2006-04-05 Richard Guenther <rguenther@suse.de>
9187 PR tree-optimization/26763
9188 * fold-const.c (fold_comparison): Move folding of
9189 PTR + CST CMP PTR + CST ...
9190 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9192 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9194 * doc/install.texi (Prerequisites): Refine some wording on
9195 bootstrapping and ksh.
9196 Move the version numbers of DejaGnu here from the testing section
9197 and fix casing of names.
9198 Fix markup and clarify wording for autogen requirements.
9199 Refer to GCJ instead of just java.
9200 Refer to SVN instead of CVS.
9201 Describe diffutils as useful instead of necessary.
9202 (Downloading the source): Refer to SVN instead of CVS.
9203 Adjust a link to our web site accordingly.
9204 (Configuration): Fix casing of Bison.
9205 (Building): Refer to SVN instead of CVS.
9206 Fix a sentence on the use of Bison and remove duplicate (and
9207 incorrect) version number of Bison requirement.
9208 Remove one redundant list of packages needed for building.
9209 (Specific): Avoid reference to CVS.
9211 2006-04-04 Eric Christopher <echristo@apple.com>
9213 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9214 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9215 (rs6000_handle_struct_attribute): New.
9216 (rs6000_ms_bitfield_layout_p): Ditto.
9218 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9220 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9221 NULL for dso parameter to atexit_common.
9223 2006-04-04 Eric Christopher <echristo@apple.com>
9225 * config/i386/i386.c (machopic_output_stub): Output \t
9226 between instructions and operands.
9228 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9230 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9231 satisfies_constraint_[IL] to explicit tests on value.
9233 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9235 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9236 set_nb_iterations_in_loop): Use build_int_cst instead of
9238 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9239 build_int_cst instead of convert.
9241 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9243 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9244 new value 2 for incoming.
9245 * function.c (expand_function_start): Call struct_value_rtx
9247 * config/sparc/sparc.md: Comment updated_return.
9248 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9249 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9250 struct return if sparc_std_struct_return and incoming is 2.
9251 (print_operand): Do not adjust return if
9252 sparc_std_struct_return.
9254 2006-04-04 Roger Sayle <roger@eyesopen.com>
9256 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9257 convert in the middle-end.
9258 * expr.c (store_expr, store_constructor, get_inner_reference,
9259 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9261 * tree.c (build_range_type): Likewise.
9263 2006-04-04 Tom Tromey <tromey@redhat.com>
9265 * doc/install.texi (Prerequisites): Mention jar.
9267 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9269 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9272 2006-04-04 Matthias Klose <doko@debian.org>
9274 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9278 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9281 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9283 * doc/extend.texi (Function Attributes): Rewrite visibility
9284 attribute documentation.
9285 * doc/invoke.texi (C++ Dialect Options): Rewrite
9286 -fvisibility-inlines-hidden documentation to describe something
9287 entirely different, although in practise compatible.
9288 (Code Gen Options): Warn about system headers in -fvisibility=
9291 * doc/extend.texi (Other Builtins): Document that
9292 __builtin_nan is a compile-time constant only when its argument
9295 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9297 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9298 trying to remove TRUNCATE check if all bits outside the new mode
9299 are identical to the sign bit.
9301 2006-04-03 Jeff Law <law@redhat.com>
9303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9304 and operand scanning in some common cases.
9306 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9307 Dale Johannesen <dalej@apple.com>
9310 * regclass.c (struct reg_pref): Update documentation.
9311 (regclass): Set prefclass to NO_REGS if memory is the best option.
9312 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9313 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9314 into account. For non-registers, equate an empty preferred
9315 reload class to a `!' in the constraint; move the if clause to
9316 do so after those that reject the insn.
9317 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9319 (find_dummy_reload): Likewise.
9320 * doc/tm.texi (Register Classes): Document what it means
9321 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9322 * config/i386/i386.c (ix86_preferred_reload_class): Force
9323 using SSE registers (and return NO_REGS for floating-point
9324 constants) if math is done with SSE.
9325 (ix86_preferred_output_reload_class): New.
9326 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9327 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9328 * config/i386/i386.md: Remove # register preferences.
9330 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9333 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9334 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9335 the type of nb_iter.
9336 (instantiate_parameters_1): Convert the operands before calling
9337 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9338 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9340 2006-04-02 Roger Sayle <roger@eyesopen.com>
9342 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9343 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9345 * dojump.c (do_jump): Likewise.
9346 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9347 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9348 gimplify_boolean_expr): Likewise.
9349 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9350 * varasm.c (array_size_for_constructor): Likewise.
9351 * tree-object-size.c (compute_object_offset): Likewise.
9353 2006-04-02 Roger Sayle <roger@eyesopen.com>
9356 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9357 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9359 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9361 PR tree-optimization/26939
9362 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9364 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9366 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9367 at_stmt. Convert the type of operands before calling
9368 build_polynomial_chrec.
9369 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9371 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9372 (instantiate_parameters_1): Convert the type of operands before calling
9373 build_polynomial_chrec.
9374 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9375 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9376 reset_evolution_in_loop): Insert asserts to check the types of the
9378 (chrec_type): Moved...
9379 (eq_evolutions_p): Use operand_equal_p.
9380 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9381 the types of the operands.
9382 (chrec_type): ...here.
9383 * tree-data-ref.c (create_data_ref): Convert the operands before
9384 calling chrec_replace_initial_condition.
9385 (same_access_functions, analyze_subscript_affine_affine,
9386 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9387 (compute_subscript_distance, analyze_ziv_subscript,
9388 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9389 analyze_miv_subscript): Convert the operands before calling
9390 chrec_fold_minus or chrec_fold_plus.
9392 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9394 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9395 the dependence_relations vector.
9396 (compute_data_dependences_for_loop): Adjust call to
9397 compute_all_dependences.
9399 2006-04-01 Roger Sayle <roger@eyesopen.com>
9400 Richard Henderson <rth@redhat.com>
9402 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9403 gimple_boolify on the condition before calling gimplify_expr.
9405 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9407 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9408 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9409 the frame size. Update to use the new macros.
9410 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9411 * config/xtensa/ieee754-df.S: Likewise.
9413 2006-03-31 Richard Henderson <rth@redhat.com>
9415 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9416 (make_edges): ... here. Control fallthru creation with a local
9417 variable. Do not play with fake edges.
9418 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9419 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9422 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9424 * dwarf2.h (DW64_CIE_ID): Define.
9425 * dwarf2out.c (DWARF_CIE_ID): Define.
9426 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9427 length header. Use DWARF_CIE_ID.
9428 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9429 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9431 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9433 * config/sh/linux-atomic.asm: New file.
9434 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9436 2006-03-31 DJ Delorie <dj@redhat.com>
9438 * config/m32c/cond.md: Set condition flags properly throughout.
9439 * config/m32c/minmax.md: Likewise.
9440 * config/m32c/prologue.md: Likewise.
9441 * config/m32c/bitops.md: Likewise.
9442 * config/m32c/muldiv.md: Likewise.
9443 * config/m32c/mov.md: Likewise.
9444 * config/m32c/addsub.md: Likewise.
9445 * config/m32c/m32c.md: Likewise.
9446 * config/m32c/jump.md: Likewise.
9447 * config/m32c/shift.md: Likewise.
9449 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9450 conditionally output the pattern for this.
9451 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9452 (m32c_compare_redundant): New.
9453 (m32c_output_compare): New.
9454 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9456 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9457 dest, not src. Allow other 4-byte modes.
9459 2006-03-30 Denis Chertykov <denisc@overta.ru>
9461 * doc/md.texi: Refer to avr/constraints.md instead of
9464 2006-03-30 Roger Sayle <roger@eyesopen.com>
9466 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9467 signed vs. unsigned comparison failures on some hosts.
9469 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9472 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9473 change to FLOAT_REGS.
9475 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9476 (rs6000_override_options): Use it.
9477 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9478 only for -mabi=spe/no-spe and -mabi=altivec.
9480 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9482 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9485 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9487 * Makefile.in: Rename docdir to gcc_docdir.
9489 2006-03-30 Roger Sayle <roger@eyesopen.com>
9492 * expr.c (emit_group_store): Optimize group stores into a pseudo
9493 register by using a paradoxical subreg to initialize the destination
9494 if the first or last member of the group specifies a "low part".
9496 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9499 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9500 * target.h (struct gcc_target.speculate_insn): Change type of the
9501 second parameter to 'int'.
9502 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9503 the second operand of the DEPS_LIST.
9504 (copy_DEPS_LIST_list): Update reference to the second operand of the
9506 * rtl.h (alloc_DEPS_LIST): Update signature.
9507 * sched-int.h (ds_t): Change typedef to 'int'.
9508 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9510 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9512 * haifa-sched.c (try_ready): Change condition to restore
9513 non-speculative pattern of the instruction.
9514 (process_insn_depend_be_in_spec): Code to keep probability of the
9515 speculative dependence non-decreasing.
9517 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9519 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9520 (single_move_for_movmem): ... this. Also change all uses.
9521 (bfin_expand_strmov): Renamed to...
9522 (bfin_expand_movmem): ... this. Also change all uses.
9523 * config/bfin/bfin.md (movstrsi): Renamed to...
9524 (movstrsi): ...this.
9526 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9528 PR tree-optimization/26830
9530 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9531 (copy_prop_visit_stmt): Remove write-only variable ann.
9532 (init_copy_prop): Check variable loop depth here. Do not simulate
9533 memory-tag and virtual operand PHIs except for store copy prop.
9535 2006-03-30 Richard Guenther <rguenther@suse.de>
9537 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9538 variants with double arguments.
9540 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9542 * genpreds.c (write_tm_constrs_h): Delete variable p.
9543 * genconditions.c (write_header): Add tm-constrs.h to included
9545 * genpeep.c (main): Add toplev.h to included headers.
9546 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9547 (build/genpeep.o): Add toplev.h dependency.
9548 * config/rs6000/constraints.md: Add "W" constraint.
9550 2006-03-29 Roger Sayle <roger@eyesopen.com>
9552 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9553 sizes by correctly testing whether the size fits a host integer.
9554 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9555 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9556 SImode range for the default sizetype and bitsizetype.
9558 2006-03-29 Roger Sayle <roger@eyesopen.com>
9560 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9561 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9562 quickly if the argument is already of the correct type.
9563 Call fold_build1 instead of build1. Tidy up blank lines.
9565 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9567 * genemit.c (main): Add tm-constrs.h to included headers.
9568 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9569 * genpeep.c (main): Add tm-constrs.h to included headers.
9570 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9571 (write_tm_constrs_h): this and write complete file.
9572 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9573 (write_insn_preds_c): Add tm-constrs.h to included headers.
9574 (gen_constrs): New variable.
9575 (parse_option): Parse "-c".
9576 (main): Invoke write_tm_constrs_h.
9577 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9578 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9579 (object_out_file): Add tm-constrs.h dependency.
9580 (insn-emit.o): Same.
9581 (insn-output.o): Same.
9582 (insn-peep.o): Same.
9583 (insn-preds.o): Same.
9584 (insn-recog.o): Same.
9585 (tm-constsr.h): New target.
9586 (s-constrs-h): New target.
9588 * config/rs6000/constraints.md: New file.
9589 * config/rs6000/rs6000.c: Include tm-constrs.h.
9590 (num_insn_constant_wide): Convert to satisfies_constraint.
9591 (rs6000_rtx_costs): Convert to satisfies_constraint.
9592 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9593 (CONST_OK_FOR_LETTER_P): Delete.
9594 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9595 (EXTRA_CONSTRAINT): Delete.
9596 (EXTRA_MEMORY_CONSTRAINT): Delete.
9597 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9598 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9599 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9600 satisfies_constraint.
9602 * config/i386/i386.c: Include tm-constrs.h.
9604 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9606 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9607 * tree-data-ref.c (find_data_references_in_loop,
9608 compute_data_dependences_for_loop): Use pointers to VEC.
9609 (analyze_all_data_dependences): Adjust calls.
9610 * tree-data-ref.h (find_data_references_in_loop,
9611 compute_data_dependences_for_loop): Adjust declarations.
9612 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9613 compute_data_dependences_for_loop.
9615 2006-03-29 Paul Brook <paul@codesourcery.com>
9617 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9620 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9622 PR tree-optimization/26859
9623 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9625 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9626 for the step after fold_convert.
9628 2006-03-29 Paul Brook <paul@codesourcery.com>
9630 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9631 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9633 2006-03-29 Paul Brook <paul@codesourcery.com>
9636 * targhooks.c (default_narrow_bitfield): New fuction.
9637 * targhooks.h (default_narrow_bitfield): add prototype.
9638 * target.h (gcc_target): Add narrow_volatile_bitfield.
9639 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9640 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9641 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9642 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9644 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9646 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9648 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9649 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9650 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9651 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9652 (s390_function_arg_float): Allow SDmode and DDmode values to be
9653 passed in floating point registers.
9654 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9655 check with SCALAR_FLOAT_MODE_P.
9656 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9658 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9660 PR tree-optimization/25985
9661 * tree-ssa-loop-niter.c (number_of_iterations_le,
9662 number_of_iterations_ne): Make comments more precise.
9663 (number_of_iterations_cond): Add only_exit argument. Use the
9664 fact that signed variables do not overflow only when only_exit
9666 (loop_only_exit_p): New.
9667 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9668 number_of_iterations_cond.
9670 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9672 PR tree-optimization/26643
9673 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9676 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9678 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9679 (divsi3_i4_int): Likewise.
9681 2006-03-28 Roger Sayle <roger@eyesopen.com>
9683 * expr.c (emit_group_store): Only create a new pseudo reg if the
9684 quantity it needs to hold isn't already a suitable pseudo.
9686 2006-03-28 Jeff Law <law@redhat.com>
9688 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9689 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9691 2006-03-28 Roger Sayle <roger@eyesopen.com>
9693 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9694 the equivalent ~X & Y, and the symmetry related transformations.
9695 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9696 ~X & Y, and symmetry related transforms.
9698 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9700 Revert my 2006-03-27 patches.
9702 2006-03-28 Roger Sayle <roger@eyesopen.com>
9704 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9705 ~(T1)X, when T1 and T2 are integer types of the same precision
9706 and (T2)X isn't an extension.
9708 2006-03-28 Jeff Law <law@redhat.com>
9710 PR tree-optimization/26796
9711 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9712 need EH edge cleanups rather than purging them immediately.
9713 (eliminate_degenerate_phis): Handle queued EH cleanups.
9715 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9717 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9720 2006-03-27 Roger Sayle <roger@eyesopen.com>
9723 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9724 cast BIT_NOT_EXPR operand to the correct type.
9726 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9728 * tree-loop-linear.c: Don't include varray.h.
9729 (gather_interchange_stats, try_interchange_loops,
9730 linear_transform_loops): Use VEC instead of VARRAY.
9731 * lambda-mat.c: Don't include varray.h.
9732 * tree-chrec.c: Same.
9733 * lambda-trans.c: Same.
9734 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9735 VEC instead of VARRAY.
9736 * tree-vectorizer.h: Idem.
9737 * tree-data-ref.c (dump_data_references,
9738 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9739 initialize_data_dependence_relation, finalize_ddr_dependent,
9740 compute_all_dependences, find_data_references_in_loop,
9741 compute_data_dependences_for_loop, analyze_all_data_dependences,
9742 free_dependence_relation, free_dependence_relations,
9743 free_data_refs): Idem.
9744 * tree-data-ref.h (data_reference_p, subscript_p): New.
9745 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9746 VEC instead of VARRAY.
9747 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9748 (find_data_references_in_loop, compute_data_dependences_for_loop,
9749 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9750 dump_data_dependence_relations, free_dependence_relations,
9751 free_data_refs): Adjust declaration.
9752 (lambda_transform_legal_p): Move declaration here...
9753 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9754 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9755 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9756 vect_analyze_data_refs): Use VEC instead of VARRAY.
9757 * lambda.h (lambda_transform_legal_p): ...from here.
9758 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9759 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9760 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9761 tree-chrec.o): Don't depend on VARRAY_H.
9763 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9765 * rtl.def (Copyright): Update date.
9766 (DEPS_LIST): Change type of the second operand to 'int'.
9767 * target.h (Copyright): Update date.
9768 (struct gcc_target.speculate_insn): Change type of the second parameter
9770 * lists.c (Copyright): Update date.
9771 (alloc_DEPS_LIST): Change signature. Update reference to the second
9772 operand of the DEPS_LIST.
9773 (copy_DEPS_LIST_list): Update reference to the second operand of the
9775 * rtl.h (Copyright): Update date.
9776 (alloc_DEPS_LIST): Update signature.
9777 * sched-int.h (Copyright): Update date.
9778 (ds_t): Change typedef to 'int'.
9779 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9781 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9783 * haifa-sched.c (Copyright): Update date.
9784 (try_ready): Change condition to restore non-speculative pattern
9786 (process_insn_depend_be_in_spec): Code to keep probability of the
9787 speculative dependence non-decreasing.
9789 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9791 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9792 shut up the compiler.
9794 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9796 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9797 to use lib prefix for target.
9798 ($(T)libic_invalidate_array_4-200.a): Likewise.
9799 ($(T)libic_invalidate_array_4a.a): Likewise.
9801 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9802 J"orn Rennecke <joern.rennecke@st.com>
9804 * superh.opt: New file.
9805 * sh.c (boardtype, osruntime): Remove.
9806 * superh.h (SUBTARGET_OPTIONS): Remove.
9807 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9809 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9810 arguments with ^ and/or [].
9812 * config.gcc (sh-*-*): Add quoting to account for quirk of
9814 Replace == with = in enable_incomplete_targets test.
9816 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9817 with MASK_LITTLE_ENDIAN.
9819 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9820 * config/sh/sh.opt: Added to some comments.
9821 * config/sh/superh.h: Removed some chaff.
9823 * config/sh/sh.opt: Add m4-[1234]00* options.
9824 * config/sh/sh.c (sh_handle_option): Likewise.
9825 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9826 (ic_invalidate_array_4-100.o): New rule.
9827 ($(T)libic_invalidate_array_4-100.a): Likewise.
9828 (ic_invalidate_array_4-200.o): Likewise.
9829 ($(T)libic_invalidate_array_4-200.a): Likewise.
9830 (ic_invalidate_array_4a.o): Likewise.
9831 ($(T)libic_invalidate_array_4a.a): Likewise.
9832 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9833 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9835 * config/sh/crt1.asm: Merged in profiling code.
9836 * config/sh/superh.h (STARTFILE_SPEC): Override.
9837 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9838 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9839 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9841 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9842 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9843 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9845 * sh.opt (mpretend-cmove): New option.
9846 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9847 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9848 (movsicc): Add TARGET_PRETEND_CMOVE code.
9850 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9852 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9853 s390_class_max_nregs): New function prototypes.
9854 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9855 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9856 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9857 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9859 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9861 * dwarf2out.c (add_location_or_const_value_attribute): Call
9862 tree_add_const_value_attribute if nothing else works.
9863 (reference_to_unused): New.
9864 (rtl_for_decl_init): Use reference_to_unused to decide whether
9865 to output an initializer.
9867 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9870 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9871 peephole removing spe frob_di_df_2.
9873 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9875 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9876 (subscript_dependence_tester_1): Declared.
9877 (print_dir_vectors, print_dist_vectors): New.
9878 (debug_data_dependence_relation): New.
9879 (dump_data_dependence_relation): Print more details.
9880 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9881 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9882 (save_dist_v, save_dir_v, add_outer_distances,
9883 build_classic_dist_vector_1): New.
9884 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9885 Don't test for lambda_vector_lexico_pos.
9886 (same_access_functions, add_multivariate_self_dist,
9887 add_other_self_distances, dir_from_dist): New.
9888 (build_classic_dir_vector): Replace implementation almost identical to
9889 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9891 (subscript_dependence_tester_1): New.
9892 (subscript_dependence_tester): Handle the lexicographically negative
9893 distance vectors by recomputing the dependence relation.
9894 (compute_affine_dependence): Remove parameter loop_nest_depth.
9895 (compute_self_dependence): Don't call compute_subscript_distance.
9896 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9897 Add a parameter for the loop_nest.
9898 (find_loop_nest_1, find_loop_nest): New.
9899 (compute_data_dependences_for_loop): Compute the loop nest, and give
9900 up if the nest is not well formed.
9901 * tree-data-ref.h (loop_p): New.
9902 (struct data_dependence_relation): Replace size_vect field with
9903 loop_nest, a vec of loops.
9904 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9905 (DDR_LOOP_NEST): New.
9906 (print_dir_vectors, print_dist_vectors,
9907 debug_data_dependence_relation): Declared.
9908 (index_in_loop_nest): New.
9909 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9910 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9913 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9915 * simplify-rtx.c (simplify_relational_operation): Call
9916 simplify_relational_operation_1 even if mode is VOIDmode.
9918 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9920 PR tree-optimization/26804
9921 * tree.h (DECL_CALL_CLOBBERED): New macro.
9922 (tree_decl_common): Add call_clobbered_flag.
9923 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9924 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9925 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9926 (mark_non_addressable): Ditto.
9927 * tree-ssa.c (verify_call_clobbered): New function.
9928 (verify_alias_info): Use it.
9929 * tree-pass.h (pass_reset_cc_flags): New prototype.
9930 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9931 (reset_cc_flags): New function.
9932 * passes.c (init_optimization_passes): Call reset_cc_flags after
9933 initializing referenced_vars.
9935 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9936 Roger Sayle <roger@eyesopen.com>
9939 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9940 to 1.0 for non-real operands. Implement A / A optimization for
9943 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9945 * config/i386/i386.c (size_cost): Correct the comment for
9946 cost of storing fp registers.
9947 (i386_cost): Likewise.
9948 (i486_cost): Likewise.
9949 (pentium_cost): Likewise.
9950 (pentiumpro_cost): Likewise.
9951 (k6_cost): Likewise.
9952 (athlon_cost): Likewise.
9953 (k8_cost): Likewise.
9954 (pentium4_cost): Likewise.
9955 (nocona_cost): Likewise.
9956 (generic64_cost): Likewise.
9957 (generic32_cost): Likewise.
9959 2006-03-24 Denis Chertykov <denisc@overta.ru>
9961 * config/avr/avr-protos.h (extra_constraint): Delete.
9962 (extra_constraint_Q): New declaration.
9963 * config/avr/constraints.md: New file.
9964 * config/avr/avr.md: Include it.
9965 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9966 (TMP_REGNO, ZERO_REGNO): Likewise.
9967 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9968 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9969 (extra_constraint): Delete.
9970 (extra_constraint_Q): Test for memory constraint 'Q'.
9971 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9972 (REG_CLASS_FROM_LETTER): Delete.
9973 (CONST_OK_FOR_LETTER_P): Delete.
9974 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9975 (EXTRA_CONSTRAINT): Delete.
9976 (TMP_REGNO): Delete.
9977 (ZERO_REGNO): Delete.
9979 2006-03-24 Jeff Law <law@redhat.com>
9981 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9982 directly. Call mark_new_vars_to_rename slightly earlier.
9984 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9986 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9988 (gen_compile_unit_die): Use new language types for Objective-C and
9990 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9991 DW_LANG_C_plus_plus.
9994 * config/t-darwin (crt3.o): Work around bug 26840.
9995 * config/darwin-crt3.c: Rewrite.
9996 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9998 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10000 * doc/invoke.texi: Document -femit-class-debug-always
10001 * common.opt: Add -femit-class-debug-always.
10003 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10005 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10006 index and base register.
10007 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10008 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10009 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10010 REGNO_OK_FOR_INDEX_P.
10011 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10013 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10014 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10015 REG_OK_FOR_BASE_P): Definitions removed.
10017 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10019 PR middle-end/26611
10020 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10021 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10022 set yet or weren't marked as local yet.
10024 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10026 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10029 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10031 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10032 (rs6000_legitimate_small_data_p): Delete.
10033 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10034 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10035 and make static. Add forward declaration. Update uses.
10036 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10037 of offsettable_memref_p.
10038 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10039 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10041 2006-03-24 Jeff Law <law@redhat.com>
10043 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10044 around bug in immediate-use iterator.
10046 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10049 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10050 or __LITTLE_ENDIAN__.
10052 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10054 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10055 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10056 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10057 * config/sh/sh.opt (mdiv=): Amend description.
10058 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10059 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10060 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10061 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10062 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10063 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10064 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10065 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10066 TARGET_DIVIDE_CALL_FP.
10068 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10070 * haifa-sched.c (choose_ready): Fix type of the local variable.
10071 Move local variables. Add comment.
10072 (check_reg_live): Change signature. Make callable from debugger.
10073 * sched-int.h (check_reg_live): Update signature.
10074 * sched-ebb.c (check_reg_live): Update parameters.
10075 * sched-rgn.c (check_reg_live): Ditto.
10076 (region_head_or_leaf_p): Check pointer before dereferencing.
10077 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10078 before reload on optimization levels below 1.
10080 2006-03-23 Richard Henderson <rth@redhat.com>
10082 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10086 * config/alpha/predicates.md (local_symbolic_operand): Reject
10089 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10092 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10093 expressions which have overflowed constants.
10095 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10097 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10099 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10101 * cfgloopmanip.c (create_loop_notes): Removed.
10102 * final.c (final_scan_insn): Do not handle loop notes.
10103 * jump.c (squeeze_notes): Ditto.
10104 * cfglayout.c (skip_insns_after_block,
10105 duplicate_insn_chain): Ditto.
10106 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10108 * cfgloop.h (create_loop_notes): Declaration removed.
10110 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10112 * varasm.c (output_constant_pool): Restore fnname and fndecl
10114 (assemble_start_function): Adjust call accordingly.
10115 (assemble_end_function): Likewise.
10117 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10120 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10123 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10125 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10128 * system.h (ICE_EXIT_CODE): New macro.
10129 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10130 (diagnostic_action_after_output): Likewise.
10131 * gcc.c (fatal_ice): New function.
10132 (execute): Use it instead of fatal.
10133 (fancy_abort): Likewise.
10134 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10136 2006-03-22 Jeff Law <law@redhat.com>
10138 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10139 iv_analyze_result returning false.
10141 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10143 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10145 2006-03-22 Richard Henderson <rth@redhat.com>
10147 PR middle-end/26084
10148 * except.c (duplicate_eh_regions_0): New.
10149 (duplicate_eh_region_1): Duplicate the children of the node as
10150 well as the node itself. Link them up properly.
10151 (duplicate_eh_region_2): Merge into ...
10152 (duplicate_eh_regions): ... here. Take copy_region argument, and
10153 copy only a sub-tree if asked. Simplify copying and fixup.
10154 (eh_region_outer_p): New.
10155 * except.h (duplicate_eh_regions): Update decl.
10156 (eh_region_outer_p): Declare.
10157 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10158 (lower_omp_master): Likewise.
10159 (lower_omp_ordered): Likewise.
10160 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10161 (move_stmt_r): Use it to remap labels. Handle recursion vs
10162 remap_decls_p properly.
10163 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10164 (find_outermost_region_in_block): New.
10165 (new_label_mapper): New.
10166 (move_sese_region_to_fn): Copy eh information to the new function
10168 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10170 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10173 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10175 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10176 into shared libraries.
10178 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10180 * doc/md.texi: Refer to i386/constraints.md instead of
10181 i386/predicates.md.
10182 * config/i386/constraints.md: New file, extracted from...
10183 * config/i386/predicates.md: ...here.
10184 * config/i386/i386.md: Include constraints.md.
10186 2006-03-21 Jason Merrill <jason@redhat.com>
10188 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10190 PR middle-end/20297
10191 * expr.c (init_block_move_fn): Force default visibility.
10192 (init_block_clear_fn): Likewise.
10193 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10194 * targhooks.c (default_external_stack_protect_fail): Likewise.
10196 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10198 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10199 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10200 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10201 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10202 (loadgp): Use mips_current_loadgp_style.
10203 (loadgp_noshared): New pattern.
10204 (sibcall_internal): Use MIPS_CALL.
10205 (sibcall_value_internal): Likewise.
10206 (sibcall_value_multiple_internal): Likewise.
10207 (call_internal): Likewise.
10208 (call_value_internal): Likewise.
10209 (call_value_multiple_internal): Likewise.
10210 (call_split): Use MIPS_CALL and add an 'S' constraint.
10211 (call_value_split): Likewise.
10212 (call_value_multiple_split): Likewise.
10213 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10214 (-mshared): New option.
10215 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10216 (mips_current_loadgp_style): Declare.
10217 * config/mips/mips.c (mips_classify_symbol): Avoid using
10218 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10219 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10220 TARGET_ABSOLUTE_ABICALLS.
10221 (override_options): Adjust comments. Improve the warning that is
10222 issued when -mabicalls and -G are used together.
10223 (mips_file_start): Remove comment.
10224 (mips_current_loadgp_style): New function.
10225 (mips_gnu_local_gp): New variable.
10226 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10228 (mips_output_function_prologue): Use mips_current_laodgp_style.
10229 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10230 the cprestore instruction.
10231 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10232 live for TARGET_ABSOLUTE_ABICALLS.
10233 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10234 (ASM_SPEC): Pass down -mshared and -mno-shared.
10235 (MIPS_CALL): New macro.
10236 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10238 * doc/invoke.texi (-mabicalls): Update documentation.
10239 (-mshared): Document.
10241 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10243 * config/ia64/unwind-hpux.c: New file.
10244 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10246 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10249 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10251 2006-03-21 Jeff Law <law@redhat.com>
10253 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10254 type conversions of a VR_VARYING source to a wider type.
10256 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10258 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10259 tm_file on Solaris 10 and later.
10260 (sparc64-*-solaris2*): Likewise.
10261 (sparc-*-solaris2*): Likewise.
10262 * config/sol26.h: Rename to config/sol2-6.h.
10263 * config/sol2-10.h: New file.
10265 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10268 * tree-ssa-pre.c (create_component_ref_by_pieces):
10271 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10274 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10275 return it immediately.
10277 2006-03-21 Michael Matz <matz@suse.de>
10279 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10281 (remove_arc, add_arc): Update num_out_arcs member.
10282 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10284 (cache_presence): New function.
10285 (compare_states_for_equiv): New function.
10286 (state_is_differed): Don't take number of outargs, adjust callers.
10287 Use new invariant for speeding up.
10288 (init_equiv_class): Create initial classes based on sorted
10290 (partition_equiv_class): Don't track out_arcs_num.
10291 (evaluate_equiv_classes): Call cache_presence on all states and
10294 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10296 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10297 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10298 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10299 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10301 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10302 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10303 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10304 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10305 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10307 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10308 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10309 (REGNO_REG_CLASS): ARGP is in PREGS.
10310 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10312 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10313 to deal with those addresses.
10314 * addresses.h: New file.
10315 * caller-save.c: Include "addresses.h".
10316 (init_caller_save): Use new base_reg_class function.
10317 * rtl-factoring.c: Include "addresses.h".
10318 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10319 * recog.c: Include "addresses.h".
10320 (preprocess_constraints): Use new base_reg_class function.
10321 * regrename.c: Include "addresses.h".
10322 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10323 functions. Keep track of a new var INDEX_CODE to compute valid
10325 (replace_oldest_value_addr): Likewise.
10326 (replace_oldest_value_mem): Use base_reg_class.
10327 * reload.c: Include "addresses.h".
10328 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10329 (find_reloads): Use new base_reg_class function.
10330 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10331 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10332 all callers and prototype changed.
10333 * reload1.c: Include "addresses.h".
10334 (maybe_fix_stack_asms): Use base_reg_class.
10335 * regclass.c: Include "addresses.h".
10336 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10337 (init_reg_autoinc): Use new base_reg_class function.
10338 (record_reg_classes): Likewise.
10339 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10340 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10341 Use new args to compute necessary class.
10343 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10344 regrename.o, rtl-factoring.o): Update dependencies.
10345 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10346 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10347 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10348 REG_OK_FOR_INDEX_P): Delete documentation.
10350 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10352 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10353 from V7 to V9 for Solaris 7 and above.
10355 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10357 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10358 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10359 argument pointers may not alias any other storage.
10360 * common.opt: Define option -fargument-noalias-anything.
10361 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10362 alias semantics is specified by flag_argument_noalias > 2.
10364 2006-03-20 Jeff Law <law@redhat.com>
10366 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10367 (pass_phi_only_cprop): Declare.
10368 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10369 with phi_only_cprop
10370 * tree-ssa-dom.c (degenerate_phi_result): New function.
10371 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10372 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10373 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10374 (eliminate_degenerate_phis): Likewise.
10375 (pass_phi_only_cprop): New pass descriptor.
10376 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10377 support code. Callers updated.
10378 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10379 (store_copy_prop): Likewise.
10380 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10382 2006-03-20 Jason Merrill <jason@redhat.com>
10385 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10386 (push_visibility, pop_visibility): Likewise.
10387 * c-pragma.h: Declare them.
10389 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10391 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10393 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10394 parameter and use get_ebb_head_tail.
10395 (sh_md_init_global): Adjust uses of find_regmode_weight.
10397 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10399 * function.h (struct function) <x_tail_recursion_reentry>:
10400 Rename to x_stack_check_probe_note.
10401 (tail_recursion_reentry): Rename to stack_check_probe_note.
10402 * function.c: Replace tail_recursion_reentry with
10403 stack_check_probe_note everywhere.
10404 (expand_function_start): Only emit a note for
10405 stack_check_probe_note with -fstack-protect.
10406 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10408 * emit-rtl.c (remove_unnecessary_notes): Remove.
10409 (pass_remove_unnecessary_notes): Remove.
10410 * rtl.h (remove_unnecessary_notes): Remove prototype.
10411 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10412 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10413 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10415 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10418 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10419 (valid_in_set): Handle ARRAY_REF.
10420 Change "if min_variant or VH" to asserts.
10421 (create_component_ref_by_pieces): Handle ARRAY_REF.
10422 (create_expression_by_pieces): Likewise.
10423 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10425 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10427 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10428 is operand of switch, not str[0].
10430 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10432 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10433 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10435 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10437 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10438 end of insn_extra_address_constraint declaration.
10440 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10442 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10443 (no-sum-in-toc): Same.
10444 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10446 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10447 NO_FP_IN_TOC for -fPIC instead of mask.
10449 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10450 (BOOT_LDFLAGS): Delete.
10452 * config/rs6000/t-aix52: Same.
10454 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10455 (stmsi[345678]_power): New.
10457 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10459 * config/ia64/ia64.opt: Add empty line to end of file.
10461 2006-03-17 Richard Guenther <rguenther@suse.de>
10463 PR middle-end/26721
10464 * builtins.c (get_pointer_alignment): For component style references
10465 adjust alignment to the component type alignment. Make sure
10466 to adjust alignment for component access of constants.
10468 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10470 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10471 unconditional jump.
10473 2006-03-17 Paul Brook <paul@codesourcery.com>
10475 * doc/install.texi: Docuemnt --with-mode.
10476 * config.gcc: Add --with-mode for arm*-*-*.
10477 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10479 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10481 * sh.c (max_labelno_before_reorg): New variable.
10482 (sh_reorg): Initialize it.
10483 (find_barrier): Check max_labelno_before_reorg before using
10484 label_to_alignment. Take length of explicit alignment insns
10485 into account. When seeing a UNSPECV_CONST_END, return it.
10487 * sh.c (fixup_mova): Set mode of affected label to QImode.
10488 (untangle_mova): New function.
10489 (find_barrier): Use it. Check mode of label before decrementing
10491 (sh_reorg): Likewise.
10492 Set mode of all insns back to VOIDmode.
10494 * sh.c (MOVA_LABELREF): New macro.
10495 (mova_p, fixup_mova, sh_reorg): Use it.
10496 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10497 ADDR_DIFF_VEC matches mova.
10499 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10501 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10502 with ATTRIBUTE_UNUSED.
10504 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10506 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10507 pointer, instead of assuming it is possible to derive the
10508 correct args size from a call insn.
10510 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10512 * rtl.h (CONST_INT_P): Define.
10513 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10514 instead of GET_CODE(x) == CONST_INT.
10515 (vax_rtx_costs): Likewise.
10516 (vax_output_int_move): Likewise.
10517 (vax_output_int_add): Likewise.
10518 (legitimate_constant_address_p): Likewise.
10519 (index_term_p): Likewise.
10520 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10521 * config/vax/vax.md (and<mode>3): Likewise.
10522 (ashrsi3): Likewise.
10524 (movstricthi): Likewise.
10525 (movstrictqi): Likewise.
10526 (rotrsi3): Likewise.
10527 (five unnamed insns): Likewise.
10529 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10531 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10532 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10533 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10534 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10535 Pass to ASM_OUTPUT_DWARF_OFFSET.
10536 * dwarf2out.c (debug_frame_section): New.
10537 (output_call_frame_info): Use debug_frame_section. Pass it to
10538 dw2_asm_output_offset.
10539 (output_die): Pass appropriate section to dw2_asm_output_offset.
10540 (output_compilation_unit_header): Likewise.
10541 (output_pubnames): Likewise.
10542 (output_aranges): Likewise.
10543 (enum dw_val_class): Break dw_val_class_lbl_offset into
10544 dw_val_class_lineptr and dw_val_class_macptr.
10545 (add_AT_lbl_offset): Delete.
10546 (add_AT_lineptr): New.
10547 (add_AT_macptr): New.
10548 (AT_lbl): Expect a lineptr or macptr.
10549 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10550 (attr_checksum): Likewise.
10551 (same_dw_val_p): Likewise.
10552 (size_of_die): Likewise.
10553 (value_format): Likewise.
10554 (output_die): Likewise.
10555 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10557 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10558 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10559 * config/darwin-protos.h (darwin_file_start): New.
10560 (darwin_asm_output_dwarf_offset): New.
10561 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10562 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10564 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10565 if not EH section; simplify.
10566 (darwin_file_start): New.
10567 (darwin_asm_output_dwarf_offset): New.
10568 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10570 (DEBUG_INFO_SECTION): Likewise.
10571 (DEBUG_ABBREV_SECTION): Likewise.
10572 (DEBUG_ARANGES_SECTION): Likewise.
10573 (DEBUG_MACINFO_SECTION): Likewise.
10574 (DEBUG_LINE_SECTION): Likewise.
10575 (DEBUG_LOC_SECTION): Likewise.
10576 (DEBUG_PUBNAMES_SECTION): Likewise.
10577 (DEBUG_STR_SECTION): Likewise.
10578 (DEBUG_RANGES_SECTION): Likewise.
10579 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10580 (ASM_OUTPUT_DWARF_OFFSET): New.
10582 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10584 * config.gcc (tm_defines): Always add to previous value rather
10587 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10589 * config/mips/predicates.md (splittable_const_int_operand): New,
10590 split from move_operand.
10591 (splittable_symbolic_operand): New.
10592 (move_operand): Add commentary. Use splittable_const_int_operand.
10593 Inline mips_atomic_symbolic_constant_p.
10594 * config/mips/mips.md: Add combine splitters for handling moves
10595 of splittable_const_int_operands and splittable_symbolic_operands.
10596 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10597 (mips_split_symbol): Declare.
10598 (mips_move_integer): Declare.
10599 * config/mips/mips.c (mips_split_p): Make global.
10600 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10601 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10602 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10603 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10604 (mips_offset_within_object_p): Handle block symbols.
10605 (mips_atomic_symbolic_constant_p): Delete.
10606 (mips_cannot_force_const_mem): Return false for constants that
10607 mips_legitimize_move can handle.
10608 (mips_use_blocks_for_constant_p): New function.
10609 (mips_split_symbol): Make global.
10610 (mips_move_integer): Likewise. Add a temporary register argument.
10611 (mips_legitimize_const_move): Use splittable_const_int_operand and
10612 splittable_symbolic_operand.
10613 (mips_use_anchors_for_symbol_p): New function.
10614 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10615 (mips_split_p): Declare.
10617 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10619 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10620 (mips*-*-linux*): Likewise.
10622 2006-03-16 Roger Sayle <roger@eyesopen.com>
10623 Daniel Speyer <dspeyer@wam.umd.edu>
10625 PR middle-end/18259
10626 * tree-dump.c (dump_real): New function.
10627 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10628 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10629 (tree-dump.o): Add $(REAL_H) to the dependencies.
10631 2006-03-16 Roger Sayle <roger@eyesopen.com>
10633 PR middle-end/21781
10634 * real.c (real_from_string): If the mantissa is zero, don't bother
10635 parsing the exponent as the result should always be zero.
10637 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10639 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10641 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10643 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10644 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10645 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10646 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10647 ia64_sched_finish_global): New static functions to implement
10648 hooks from gcc_target.sched.
10649 (spec_check_no, max_uid, pending_data_specs): New static variables.
10650 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10651 ia64_spec_check_src_p): New static functions.
10652 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10653 (TARGET_SCHED_ADJUST_COST): Removed.
10654 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10655 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10656 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10657 TARGET_SCHED_GEN_CHECK,
10658 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10659 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10660 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10661 Fixed to handle speculation checks.
10662 (rtx_needs_barrier): Fixed to handle speculative loads and
10664 (ia64_variable_issue): Added code to count speculative loads and their
10666 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10668 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10670 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10672 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10673 (ia64_reorg): Reset stops_p to NULL after it is freed.
10674 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10675 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10676 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10678 (data_speculative, control_speculative, check_load): New attributes.
10679 (mov<mode>_advanced, mov<mode>_speculative,
10680 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10681 zero_extend<mode>di2_speculative,
10682 zero_extend<mode>di2_speculative_advanced): New patterns for
10683 data and control speculative loads.
10684 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10686 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10687 New pattern for data and control speculation checks.
10688 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10689 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10690 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10691 Auxiliary definitions for the patterns.
10692 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10693 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10695 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10697 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10698 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10699 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10700 New resource constraints.
10701 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10703 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10704 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10705 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10706 msched-in-control-spec, msched-ldc, msched-control-ldc,
10707 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10708 msched-prefer-non-control-spec-insns,
10709 msched-count-spec-in-critical-path): New flags to tune speculative
10711 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10712 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10713 msched-in-control-spec, msched-ldc, msched-control-ldc,
10714 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10715 msched-prefer-non-control-spec-insns,
10716 msched-count-spec-in-critical-path): Document new flags.
10718 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10720 * target.h (struct spec_info_def): New opaque declaration.
10721 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10722 speculate_insn, needs_block_p, gen_check,
10723 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10724 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10725 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10726 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10727 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10728 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10730 (TARGET_SCHED): Use new macros.
10731 * rtl.h (copy_DEPS_LIST_list): New prototype.
10732 * sched-int.h (struct sched_info): Change signature of new_ready field,
10733 adjust all initializations. New fields: add_remove_insn,
10734 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10735 region_head_or_leaf_p.
10736 (struct spec_info_def): New structure declaration.
10737 (spec_info_t): New typedef.
10738 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10739 recovery_block, orig_pat.
10740 (glat_start, glat_end): New variables declaraions.
10741 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10743 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10744 DETACH_LIFE_INFO, USE_GLAT.
10745 (enum SPEC_SCHED_FLAGS): New enumeration.
10746 (NOTE_NOTE_BB_P): New macro.
10747 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10748 attach_life_info, debug_spec_status, check_reg_live): New functions.
10749 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10750 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10752 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10753 * ddg.c (get_block_head_tail): Adjust all uses.
10754 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10755 (sms_sched_info): Initialize new fields.
10756 (contributes_to_priority): Removed.
10757 * haifa-sched.c (params.h): New include.
10758 (get_block_head_tail): Adjust all uses.
10759 (ISSUE_POINTS): New macro.
10760 (glat_start, glat_end): New global variables.
10761 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10762 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10763 old_last_basic_block, before_recovery, current_sched_info_var,
10764 rgn_n_insns, luid): New static variables.
10765 (insn_cost1): New function. Move logic from insn_cost to here.
10766 (find_insn_reg_weight1): New function. Move logic from
10767 find_insn_reg_weight to here.
10768 (reemit_notes, move_insn, max_issue): Change signature.
10769 (move_insn1): Removed.
10770 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10771 extend_bb): New static functions to support extension of scheduler's
10773 (generate_recovery_code, process_insn_depend_be_in_spec,
10774 begin_speculative_block, add_to_speculative_block,
10775 init_before_recovery, create_recovery_block, create_check_block_twin,
10776 fix_recovery_deps): New static functions to support
10777 generation of recovery code.
10778 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10779 restore_bb_notes, move_block_after_check, move_succs): New static
10780 functions to support ebb scheduling.
10781 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10782 functions to support handling of register live information.
10783 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10784 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10785 add_jump_dependencies): New static functions.
10786 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10787 consistancy checking.
10788 (debug_spec_status): New function to call from debugger.
10789 (priority): Added code to handle speculation checks.
10790 (rank_for_schedule): Added code to distinguish speculative instructions.
10791 (schedule_insn): Added code to handle speculation checks.
10792 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10793 Fixed to handle ebbs.
10794 (move_insn): Added code to handle ebb scheduling.
10795 (max_issue): Added code to use ISSUE_POINTS of instructions.
10796 (choose_ready): Added code to choose between speculative and
10797 non-speculative instructions.
10798 (schedule_block): Added code to handle ebb scheduling and scheduling of
10799 speculative instructions.
10800 (sched_init): Initialize new variables.
10801 (sched_finish): Free new variables. Print statistics.
10802 (try_ready): Added code to handle speculative instructions.
10803 * lists.c (copy_DEPS_LIST_list): New function.
10804 * sched-deps.c (extend_dependency_caches): New function. Move logic
10805 from create_dependency_caches to here.
10806 (get_dep_weak, ds_merge): Make global.
10807 * genattr.c (main): Code to output prototype for
10808 dfa_clear_single_insn_cache.
10809 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10810 (output_dfa_clean_insn_cache_func): Code to output
10811 dfa_clear_single_insn_cache function.
10812 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10814 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10816 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10817 New static variables.
10818 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10819 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10821 (ebb_sched_info): Initialize new fields.
10822 (get_block_head_tail): Adjust all uses.
10823 (compute_jump_reg_dependencies): Fixed to use glat_start.
10824 (schedule_ebb): Code to remove unreachable last block.
10825 (schedule_ebbs): Added code to update register live information.
10826 * sched-rgn.c (region_sched_info): Initialize new fields.
10827 (get_block_head_tail): Adjust all uses.
10828 (last_was_jump): Removed. Adjust users.
10829 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10830 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10831 Implement new hooks.
10832 (check_dead_notes1): New static function.
10833 (struct region): New fields: dont_calc_deps, has_real_ebb.
10834 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10835 (BB_TO_BLOCK): Fixed to handle EBBs.
10836 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10837 (ebb_head): New static variable.
10838 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10839 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10841 (compute_dom_prob_ps): New assertion.
10842 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10843 global_live_at_start.
10844 (init_ready_list): New assertions.
10845 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10846 (new_ready): Add support for BEGIN_CONTROL speculation.
10847 (schedule_insns): Fixed code that updates register live information
10849 (schedule_region): Fixed to handle EBBs.
10850 (init_regions): Use extend_regions and check_dead_notes1.
10851 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10852 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10853 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10854 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10855 TARGET_SCHED_GEN_CHECK,
10856 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10857 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10858 * doc/invoke.texi (max-sched-insn-conflict-delay,
10859 sched-spec-prob-cutoff): Document.
10861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10863 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10864 inter_tick, queue_index.
10865 (struct sched_info): Change signature of init_ready_list field.
10866 Adjust all initializations.
10867 (RESOLVED_DEPS): New access macro.
10868 (ready_add): Remove prototype.
10869 (try_ready): Add prototype.
10870 * sched-rgn.c (init_ready_list): Use try_ready.
10871 (schedule_region): Initialize
10872 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10873 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10874 (init_ready_list): Use try_ready.
10875 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10876 * lists.c (remove_list_elem): Remove `static'.
10877 (remove_free_INSN_LIST_elem): New function.
10878 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10879 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10880 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10882 (readyp): New variable.
10883 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10884 change_queue_index, resolve_dep): New static functions.
10885 (try_ready): New function. Adjust callers in sched-rgn.c and
10886 sched-ebb.c to use it instead of ready_add.
10887 (clock_var): Move at the begining of file.
10888 (rank_for_schedule): Fix typo.
10889 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10890 (ready_lastpos): Enforce assertion.
10891 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10892 update all callers.
10893 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10894 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10895 (queue_to_ready): Use free_INSN_LIST_list.
10896 (early_queue_to_ready): Fix typo.
10897 (schedule_block): Init readyp. Move init_ready_list call after the
10898 initialization of clock_var. Fix error in rejecting insn by
10899 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10900 that previously corrected INSN_TICKs. Add code for handling
10902 (set_priorities): Fix typo.
10903 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10904 Clarify comment and code that keeps current_sched_info->next_tail
10907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10909 * sched-rgn.c (extend_rgns): New static function.
10910 (find_rgns): Use it.
10911 (gather_region_statistics, print_region_statistics): New static
10913 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10914 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10916 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10917 Andrey Belevantsev <abel@ispras.ru>
10919 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10920 * lists.c (unused_deps_list): New variable.
10921 (free_list): Add assertions to verify the proper distinguishing
10922 between INSN_LISTs and DEPS_LISTs.
10923 (find_list_elem, remove_list_elem, remove_list_node): New static
10925 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10926 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10927 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10928 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10930 (free_INSN_LIST_node): Likewise.
10931 * modulo-sched.c (current_sched_info): Initialize flags field.
10932 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10933 * rtl.def (DEPS_LIST): Define.
10934 * rtl.h: Declare new functions from lists.c.
10935 * sched-deps.c (spec_dependency_cache): New static variable.
10936 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10937 (add_dependence): Change return type to void. Move the logic to ...
10938 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10939 (delete_all_dependences): Add comment about forward_dependency_cache.
10940 Handle spec_dependency_cache. Handle DEPS_LISTs.
10941 (fixup_sched_groups): Clarify the change of priority of output
10942 and anti dependencies.
10943 (sched_analyze_2): Adjust add_dependence calls to create data
10944 speculative dependence.
10945 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10946 Adjust all callers. Handle DEPS_LISTS.
10947 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10948 presence of speculation.
10949 (init_dependency_caches, free_dependency_caches):
10950 Handle spec_dependency_cache.
10951 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10952 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10953 New static functions.
10954 (add_or_update_back_dep, add_or_update_back_forw_dep,
10955 add_back_forw_dep, delete_back_forw_dep): New functions.
10956 * sched-int.h (ds_t, dw_t): New typedefs.
10957 (struct sched_info): Add new field flags.
10958 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10959 Prototype new sched-deps.c functions.
10960 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10961 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10962 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10963 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10964 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10965 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10967 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10969 * sched-rgn.c (current_sched_info): Initialize flags field.
10970 (schedule_insns): Initialize current_sched_info before the sched_init
10972 * sched-ebb.c (current_sched_info): Initialize flags field.
10973 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10974 Call add_or_update_back_dep instead of add_dependence.
10975 Create control speculative dependencies.
10976 (schedule_insns): Initialize current_sched_info before the sched_init
10979 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10981 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10983 (sh_fallback_frame_state): Likewise.
10985 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10987 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10988 Do switch on default_use_cxa_atexit.
10989 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10990 * config/darwin-crt3.o: New.
10991 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10992 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10993 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10995 * config/rs6000/t-darwin: Move crt2.o building to here.
10996 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10997 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11000 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11002 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11003 from '! xxx' to '!xxx' for coding-style conformance.
11004 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11005 (EXTRA_CONSTRAINT): Likewise.
11006 * config/vax/vax.md (four unnamed insns): Likewise.
11008 2006-03-15 Paul Brook <paul@codesourcery.com>
11010 * config/arm/arm.c (minipool_pad): New.
11011 (add_minipool_forward_ref): Include pool alignment padding in address
11013 (push_minipool_fix): Set minipool_pad.
11014 (minipool_pad): Ditto.
11016 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11018 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11019 instead of GET_CODE() == MEM and REG_P() instead of
11021 (print_operand_address): Likewise.
11022 (vax_address_cost): Likewise.
11023 (vax_rtx_costs): Likewise.
11024 (vax_notice_update_cc): Likewise.
11025 (vax_output_int_add): Likewise.
11026 (INDEX_REGISTER_P): Likewise.
11027 (BASE_REGISTER_P): Likewise.
11028 (nonindexed_address_p): Likewise.
11029 (vax_mode_dependent_address_p): Likewise.
11030 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11031 (PRINT_OPERAND): Likewise.
11032 * config/vax/vax.md (ashlsi3): Likewise.
11033 (ashlsi3): Likewise.
11034 (some more unnamed insns): Likewise.
11036 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11038 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11039 iterator-style macro.
11040 (mark_control_dependent_edges_necessary): Update the use of
11041 EXECUTE_IF_CONTROL_DEPENDENT.
11043 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11045 * config/sh/predicates.md (cache_address_operand): Special.
11046 (ua_address_operand): Likewise.
11048 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11050 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11052 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11054 2006-03-15 Andreas Schwab <schwab@suse.de>
11056 * gensupport.c (identify_predicable_attribute): Don't free p_false
11057 when it is still in use.
11059 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11061 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11062 the default setting here.
11064 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11066 * tree-pass.h (pass_cfg): Remove.
11067 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11068 * passes.c (pass_cfg): Don't run it.
11070 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11072 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11073 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11075 (stack_regs_mentioned): Update the uses of
11076 stack_regs_mentioned_data. Don't access the array beyond its
11078 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11079 Don't include gt-reg-stack.h.
11081 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11082 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11084 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11086 PR middle-end/26684
11087 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11090 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11092 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11094 2006-03-14 Richard Guenther <rguenther@suse.de>
11096 PR tree-optimization/26672
11097 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11100 2006-03-14 Richard Guenther <rguenther@suse.de>
11102 PR tree-optimization/26667
11103 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11104 node for the callees. Always allow inlining if it will shrink
11107 2006-03-14 Richard Guenther <rguenther@suse.de>
11109 PR middle-end/26659
11110 * builtins.c (get_pointer_alignment): Prefer alignment
11111 information from decls over that from types.
11113 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11116 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11118 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11120 * config/rs6000/rs6000.opt (mdlmzb): New option.
11121 (msched-prolog, msched-epilog): Use Var not Mask.
11122 * doc/invoke.texi (-mdlmzb): Document.
11123 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11125 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11126 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11128 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11130 PR rtl-optimization/25739
11131 * bt-load.c (augment_live_range): Free tos pointer.
11133 * gensupport.c (identify_predicable_attribute): Free
11135 * gcov.c (create_file_names): Free name pointer.
11137 2006-03-13 Roger Sayle <roger@eyesopen.com>
11139 PR middle-end/26557
11140 * stmt.c (emit_case_nodes): Handle the case where the index is a
11141 CONST_INT, where the comparison mode is specified by the index type.
11143 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11145 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11148 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11150 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11151 (*branch_fp_inverted): Likewise.
11153 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11155 PR middle-end/25989
11156 * omp-low.c (expand_omp_for_generic): Mark istart0
11157 and iend0 as addressable.
11159 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11161 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11163 2006-03-13 Jeff Law <law@redhat.com>
11165 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11166 virtual operands are interesting.
11167 (vrp_visit_stmt): Corresponding changes.
11169 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11171 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11173 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11174 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11175 * config/bfin/crti.S: Use it instead of __PIC__.
11176 * config/bfin/crtn.S: Likewise.
11178 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11179 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11181 Lose 'G' modifier for call operand.
11182 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11183 recognize 'G' modifier.
11185 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11187 PR middle-end/18859
11188 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11189 * stmt.c (expand_case): Likewise.
11191 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11193 PR rtl-optimization/26254
11194 * loop-invariant.c (seq_insns_valid_p): New function.
11195 (move_invariant_reg): Only emit new code if it is valid.
11197 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11199 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11201 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11202 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11203 (commit_one_edge_insertion): Do not look for loop notes.
11205 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11207 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11208 flag_test_coverage out of loop.
11210 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11212 * final.c (shorten_branches): Remove outdated comment, and turn
11213 the if branch that guards it to continue.
11215 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11217 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11218 * cfgloop.h (struct loop): Remove unused fields.
11220 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11222 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11223 (-dL, -fdump-rtl-loop2): Update the dump file names
11225 * doc/invoke.texi: Update dump file names.
11227 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11229 * predict.c (estimate_probability): Remove.
11230 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11231 * basic-block.h (estimate_probability): Remove prototype.
11232 * passes.c (finish_optimization_passes): Dump branch prediction or
11233 profiling heuristics to the .profile tree dump.
11234 (init_optimization_passes): Unqueue pass_branch_prob.
11236 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11238 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11240 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11241 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11243 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11245 * function.h (frame_offset_overflow): Declare.
11246 * function.c (frame_offset_overflow): New function.
11247 (assign_stack_local_1): Call it to detect that the offset overflows.
11248 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11250 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11252 * config/sh/sh.c: Include alloc-pool.h.
11253 (label_ref_list_pool): New alloc pool.
11254 (label_ref_list_t): New type for lists of labels.
11255 (struct pool_node): Make wend a label_ref_list_t.
11256 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11258 (dump_table): Likewise.
11259 (sh_reorg): Set up the alloc pool before using add_constant and
11260 dump_table, and destroy it when finishing.
11262 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11264 * config/mips/mips.c: Remove redundant comment.
11266 2006-03-10 Jason Merrill <jason@redhat.com>
11269 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11270 the target was declared 'register'.
11272 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11274 * genpreds.c (write_insn_constraint_len): Change definition of
11275 insn_constraint_len to return size_t to match the declaration.
11277 2006-03-10 DJ Delorie <dj@redhat.com>
11279 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11281 (m32c_expand_insv): Fix test for an AND mask.
11283 2006-03-10 Richard Guenther <rguenther@suse.de>
11285 PR middle-end/26565
11286 * builtins.c (get_pointer_alignment): Handle component
11287 references for field alignment.
11289 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11291 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11292 when building with libgloss.
11293 (sh*elf): Implement --without-fp option.
11294 (sh64-superh-linux*): Don't multilib.
11296 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11298 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11300 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11302 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11303 Set it when one of the replacement functions returned true.
11304 Return TODO_cleanup_cfg if cfgchanged is true.
11305 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11307 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11309 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11310 instead of gen_lowpart.
11312 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11314 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11316 (mips_output_order_conditional_branch): Declare.
11317 * config/mips/mips.h (MIPS_BRANCH): New macro.
11318 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11319 for the comparison. Use gen_condjump.
11320 (mips_output_conditional_branch): Rework interface to take the
11321 asm templates for a direct branch and the inverse of a direct branch.
11322 (mips_output_order_conditional_branch): New function.
11323 (mips_builtin_branch_and_move): New function.
11324 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11325 branch condition. Use gen_single_cc as the condition for
11326 __builtin_mips_upper_* or __builtin_mips_lower_*.
11327 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11328 Use VOIDmode for the branch condition.
11329 * config/mips/predicates.md (order_operator): New predicate.
11330 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11331 (branch_fp): Rename to...
11332 (*branch_fp): ...this. Remove mode from comparison operator.
11333 Use new mips_output_conditional_branch interface.
11334 (branch_fp_inverted): Rename to...
11335 (*branch_fp_inverted): ...this and update as for *branch_fp.
11336 (*branch_zero<mode>): Rename to...
11337 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11338 Use mips_output_order_conditional_branch. Only accept ordered
11340 (*branch_zero<mode>_inverted): Rename to...
11341 (*branch_order<mode>_inverted): ...this and update as for
11342 *branch_order<mode>.
11343 (*branch_equality<mode>): Accept zero as the second operand to
11344 the equality operator. Use the new mips_output_conditional_branch
11346 (*branch_equality<mode>_inverted): Likewise.
11347 (condjump): New expander.
11348 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11350 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11351 (bc1any2t, bc1any2f): Likewise.
11352 (single_cc): New expander.
11353 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11355 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11357 * doc/md.texi: Update documentation of MIPS constraints.
11358 * config/mips/constraints.md: New file.
11359 * config/mips/mips.md: Include it.
11360 * config/mips/mips.c (mips_char_to_class): Delete.
11361 (override_options): Don't initialize mips_char_to_class.
11362 * config/mips/mips.h (mips_char_to_class): Delete.
11363 (REG_CLASS_FROM_LETTER): Delete.
11364 (CONST_OK_FOR_LETTER_P): Delete.
11365 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11366 (EXTRA_CONSTRAINT_Y): Delete.
11367 (EXTRA_CONSTRAINT_STR): Delete.
11368 (CONSTRAINT_LEN): Delete.
11369 (EXTRA_MEMORY_CONSTRAINT): Delete.
11371 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11373 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11374 original fn's eh regions.
11376 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11378 * fold-const.c (build_range_check): Make sure to use a valid type to
11379 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11382 (range_predecessor): New static function.
11383 (range_successor): Likewise.
11384 (merge_ranges): Use them to compute predecessors and successors of
11387 2006-03-09 Roger Sayle <roger@eyesopen.com>
11389 PR middle-end/26561
11390 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11391 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11393 2006-03-08 DJ Delorie <dj@redhat.com>
11395 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11396 (addpsi3): Expand to include memory operands. Remove
11397 reload-specific splits.
11398 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11399 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11400 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11401 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11402 (shift1_qi, shift1_hi, insv): New.
11403 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11404 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11405 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11407 * config/m32c/m32c-protos.h: Update as needed.
11408 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11409 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11410 Fail for unrecognized R* constraints.
11411 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11412 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11413 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11415 (m32c_init_libfuncs): New.
11416 (m32c_legitimate_address_p): Add debug wrapper.
11417 (m32c_rtx_costs): New.
11418 (m32c_address_cost): New.
11419 (conversions): Add 'B' prefix.
11420 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11421 operands, or word regnames for QI operands. 'B' prints bit
11423 (m32c_expand_setmemhi): New.
11424 (m32c_expand_movmemhi): New.
11425 (m32c_expand_movstr): New.
11426 (m32c_expand_cmpstr): New.
11427 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11428 (m32c_expand_neg_mulpsi3): Handle non-ints.
11429 (m32c_cmp_flg_0): New.
11430 (m32c_expand_movcc): New.
11431 (m32c_expand_insv): New.
11432 (m32c_scc_pattern): New.
11433 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11434 a0/a1 out of SIregs.
11435 (STORE_FLAG_VALUE): New.
11436 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11439 * config/m32c/mov.md: Make constraints more liberal.
11440 (zero_extendqihi2): Optimize r0/r1 case.
11441 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11442 * config/m32c/predicates.md (m32c_any_operand): New.
11443 (m32c_nonimmediate_operand): New.
11444 (m32c_hl_operand): New.
11445 (m32c_r3_operand): New.
11448 (memsym_operand): New.
11449 (memimmed_operand): New.
11450 (a_qi_operand): New.
11451 (m32c_eqne_operator): New.
11452 (m32c_1bit8_operand): New.
11453 (m32c_1bit16_operand): New.
11454 (m32c_1mask8_operand): New.
11455 (m32c_1mask16_operand): New.
11456 * config/m32c/blkmov.md: New file.
11457 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11459 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11461 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11462 unsigned to fix signed/unsigned comparison issue in
11463 DWARF2_FRAME_REG_OUT.
11464 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11465 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11467 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11468 of ptr into the ENABLE_CHECKING section.
11470 2006-03-08 Jeff Law <law@redhat.com>
11472 * tree-vrp.c (infer_value_range): Only count pointer uses
11473 and dereferences if -fdelete-null-pointer-checks is enabled.
11475 * tree-vrp.c (find_assert_locations): Infer value ranges for
11476 single use pointers, but do not create ASSERT_EXPRs for them.
11477 When a non-null range is inferred for a pointer, backwards
11478 propagate that range to other equivalent pointers through the
11481 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11484 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11485 language hook targets.
11486 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11487 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11488 if language hook targets were missing.
11490 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11492 * tree-ssa-opfinalize.h: Removed.
11493 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11495 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11496 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11497 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11498 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11499 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11500 finalize_ssa_v_must_def_ops): New.
11502 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11504 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11505 block as parameter.
11507 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11509 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11511 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11512 addresses with offsets; reorganize.
11514 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11515 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11516 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11518 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11521 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11523 2006-03-08 Ben Elliston <bje@au.ibm.com>
11525 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11527 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11530 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11533 2006-03-07 Richard Guenther <rguenther@suse.de>
11535 PR tree-optimization/26587
11536 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11538 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11540 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11542 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11544 * hooks.c (hook_bool_mode_rtx_true): New function.
11545 * hooks.h (hook_bool_mode_rtx_true): Declare.
11546 * toplev.c (compile_file): Call output_shared_constant_pool.
11547 * varasm.c (shared_constant_pool): New variable.
11548 (assemble_start_function, assemble_end_function): Remove arguments
11549 from call to output_constant_pool.
11550 (create_constant_pool): New function, split out from...
11551 (init_varasm_status): ...here.
11552 (force_const_mem): Choose between the shared and per-function constant
11553 pools. Set current_function_uses_const_pool when reusing old entries
11554 as well as when creating new ones.
11555 (mark_constant): Ignore data argument.
11556 (mark_constants): Remove pool argument.
11557 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11558 to decide whether the function uses a constant pool.
11559 (output_constant_pool_contents): New function, split out from...
11560 (output_constant_pool): ...here.
11561 (output_shared_constant_pool): New function.
11562 (init_varasm_once): Initialize shared_constant_pool.
11563 * output.h (output_constant_pool): Delete.
11564 (output_shared_constant_pool): Declare.
11565 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11566 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11568 2006-03-06 Nick Clifton <nickc@redhat.com>
11570 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11571 flag_strength_reduce.
11573 2006-03-06 Ben Elliston <bje@au.ibm.com>
11575 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11576 x86_64-*-linux* configurations.
11578 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11579 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11581 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11583 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11585 * basic-block.h: Remove the extern for
11586 rediscover_loops_after_threading.
11588 * cfgloop.c (cancel_loop): Make it static.
11589 * cfgloop.h: Remove the prototype for cancel_loop.
11591 * flow.c (recompute_reg_usage): Make it static.
11592 * rtl.h: Remove the prototype for recompute_reg_usage.
11594 * function.c (use_return_register): Make it static.
11595 * function.h: Remove the prototype.
11597 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11599 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11601 * recog.h: Remove the prototype for
11602 validate_change_maybe_volatile.
11604 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11606 * rtlanal.c (replace_reg): Remove.
11607 * rtl.h: Remove the prototype for replace_reg.
11609 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11611 * regclass.c (reg_scan_update): Remove.
11612 (reg_scan_mark_refs): Remove the last argument.
11613 * rtl.h: Remove the prototype for reg_scan_update.
11615 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11617 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11618 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11619 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11620 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11621 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11622 loop-invariant.c, omp-low.c, opts.c, passes.c,
11623 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11624 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11625 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11626 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11627 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11628 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11630 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11632 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11633 * dwarf2out.h: Remove the prototype for
11634 dwarf2out_add_library_unit_info.
11636 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11638 * tree.c (add_var_to_bind_expr): Remove.
11639 * tree.h: Remove the prototype for add_var_to_bind_expr.
11641 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11643 * regclass.c (n_non_fixed_regs): Remove.
11644 (init_reg_sets_1, globalize_reg): Remove all uses of
11646 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11648 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11650 * rtlanal.c (insns_safe_to_move_p): Remove.
11651 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11653 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11655 * expmed.c (expand_mult_add): Remove.
11656 * expr.h: Remove the prototype for expand_mult_add.
11658 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11660 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11661 and REG_SAVED_VAL_EXP constants.
11662 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11663 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11664 Handle regs stored by value.
11665 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11666 (execute_cfa_program): Handle DW_CFA_val_offset,
11667 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11668 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11669 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11670 (uw_install_context_1): Handle target regs stored by value.
11672 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11674 * tree-sra.c (tree_sra): Return todoflags;
11675 (generate_one_element): Set TODO_update_smt_usage if needed.
11676 (pass_sra): Remove TODO_update_smt_usage.
11677 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11679 (tree_ssa_forward_propagate_single_use_vars): Return
11680 TODO_update_smt_usage if we need to update SMT usage.
11681 (pass_forwprop): Remove TODO_update_smt_usage.
11683 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11685 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11686 (correct_use_link): Remove reference to get_stmt_operands.
11687 (update_stmt_operands): Likewise.
11688 (get_modify_expr_operands): New function factored out of
11689 parse_ssa_operands and get_expr_operands.
11690 Try to create V_MUST_DEFs for LHS by default.
11691 (get_expr_operands) <case MODIFY_EXPR>: Call
11692 get_modify_expr_operands.
11693 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11694 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11695 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11696 get_modify_expr_operands.
11698 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11700 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11701 * tree-flow.h: Remove the prototype for
11702 referenced_var_lookup_if_exists.
11704 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11706 PR rtl-optimization/26345
11708 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11710 2006-03-03 Roger Sayle <roger@eyesopen.com>
11712 PR tree-optimization/26524
11713 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11714 fold_convert to create a constant of the appropriate type.
11716 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11718 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11719 SYMBOL_REF_IN_BLOCK_P.
11720 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11721 of SYMBOL_FLAG_IN_BLOCK.
11722 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11723 instead of SYMBOL_REF_IN_BLOCK_P.
11724 * explow.c (use_anchored_address): Likewise.
11725 * rtl.c (rtx_size): Likewise.
11726 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11727 instead of SYMBOL_FLAG_IN_BLOCK.
11728 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11729 SYMBOL_REF_IN_BLOCK_P.
11730 (assemble_variable): Likewise.
11731 (output_constant_def_contents): Likewise.
11732 (output_constant_pool): Likewise.
11733 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11734 instead of SYMBOL_FLAG_IN_BLOCK.
11735 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11736 SYMBOL_REF_IN_BLOCK_P.
11737 (SYMBOL_REF_BLOCK): Likewise.
11738 (SYMBOL_REF_OFFSET): Likewise.
11739 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11740 SYMBOL_REF_IN_BLOCK_P.
11741 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11742 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11743 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11744 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11746 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11748 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11750 2006-03-02 Roger Sayle <roger@eyesopen.com>
11752 * simplify-rtx.c (simplify_unary_operation): When simplifying
11753 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11754 that we perform the right shift in the appropriate mode, and
11755 then extend or truncate the result to requested mode.
11757 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11759 * gengtype.c (main): Handle double_int type.
11760 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11761 * double-int.c: New file.
11762 * double-int.h: New file.
11763 * system.h: Include doubleint.h.
11764 * Makefile.in (SYSTEM_H): Include double-int.h.
11765 (double-int.o): Add.
11767 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11770 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11773 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11775 * tree-vrp.c (remove_range_assertions): Do not update statements
11778 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11780 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11782 * gcse.c (rest_of_handle_gcse): Ditto.
11783 * except.c (gate_handle_eh): Ditto.
11784 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11785 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11787 2006-03-02 Eric Christopher <echristo@apple.com>
11789 * config/i386/i386.c (machopic_output_stub): Add indirection to
11792 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11796 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11798 Sun Niagara specific optimizations.
11799 * config.gcc: Recognize niagara as target.
11800 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11801 (TARGET_CPU_niagara): Define.
11802 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11803 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11804 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11805 (ASM_CPU_SPEC): Likewise.
11806 (PROCESSOR_NIAGARA): New enum entry.
11807 (REGISTER_MOVE_COST): Handle Niagara.
11808 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11809 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11810 (sparc_override_options): Recognize "niagara", set appropriate
11811 default MASK_* values for it, and align functions to 32-bytes
11812 by default just like ULTRASPARC/ULTRASPARC3.
11813 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11814 (sparc64_initialize_trampoline): Likewise.
11815 (sparc_use_sched_lookahead): Use zero for niagara.
11816 (sparc_issue_rate): Use one for niagara.
11817 * config/sparc/niagara.md: New file.
11818 * config/sparc/sparc.md: Include it.
11819 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11820 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11821 when default cpu is niagara.
11822 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11823 (ASM_CPU_SPEC): Likewise.
11824 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11825 when default cpu is niagara.
11826 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11827 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11828 just like v9/ultrasparc/ultrasparc3.
11829 * doc/invoke.texi: Add documentation for "niagara" and improve
11830 existing documentation for ultrasparc variants.
11832 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11834 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11836 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11838 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11839 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11840 and say that only one is needed.
11841 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11842 * target.h (have_switchable_bss_sections): New hook.
11843 * explow.c (use_anchored_address): Check that the symbol is in a block.
11844 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11845 (bss_noswitch_section): New variables.
11846 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11847 (get_noswitch_section): New function.
11848 (get_block_for_section): Allow SECT to be null.
11849 (unlikely_text_section_p): Use SECTION_STYLE.
11850 (bss_initializer_p): New function.
11851 (get_variable_section): Move earlier in file. Take a new argument,
11852 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11853 Return one of the new *_sections in such cases.
11854 (get_block_for_decl): New function, extracting some logic from
11855 use_blocks_for_decl_p.
11856 (change_symbol_section): Remove in favor of...
11857 (change_symbol_block): ...this new function.
11858 (use_blocks_for_decl_p): Remove checks now performed by
11859 get_block_for_decl.
11860 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11861 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11862 (emit_local, emit_bss, emit_common): ...these new functions.
11863 Return true if the alignment was honored.
11864 (emit_tls_common): New function.
11865 (asm_emit_uninitialised): Delete.
11866 (assemble_variable_noswitch): New function, split out from...
11867 (assemble_variable): ...here. Don't make decisions about common
11868 variables here. Globalize all public decls that go into non-common
11869 sections. Check whether SYMBOL_REF_BLOCK is null.
11870 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11871 (output_constant_pool): Likewise.
11872 (init_varasm_once): Initialize the new section variables.
11873 (have_global_bss_p): New function.
11874 (categorize_decl_for_section): Use bss_initializer_p.
11875 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11876 (place_block_symbol): Assert that the symbol must be in a block.
11877 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11878 (TARGET_INITIALIZER): Include it.
11879 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11880 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11881 (SECTION_MACH_DEP): Bump by two.
11882 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11883 (unnamed_section): Mention SECTION_UNNAMED in comment.
11884 (named_section): Likewise SECTION_NAMED.
11885 (noswitch_section_callback): New type.
11886 (noswitch_section): New structure.
11887 (section): Add a noswitch_section alternative.
11888 (SECTION_STYLE): New macro.
11889 (tls_comm_section, comm_section, lcomm_section): Declare.
11890 (bss_noswitch_section, have_global_bss_p): Declare.
11891 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11892 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11894 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11895 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11898 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11900 * tree-vrp.c (execute_vrp): Return value.
11901 * regrename.c (rest_of_handle_regrename): Ditto.
11902 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11903 * tree-complex.c (tree_lower_complex): Ditto.
11904 (tree_lower_complex_O0): Ditto.
11905 * tracer.c (rest_of_handle_tracer): Ditto.
11906 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11907 * postreload.c (rest_of_handle_postreload): Ditto.
11908 * tree-tailcall.c (execute_tail_recursion): Ditto.
11909 (execute_tail_calls): Ditto.
11910 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11911 * tree.h (init_function_for_compilation): Ditto.
11912 * ipa-cp.c (ipcp_driver): Ditto.
11913 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11914 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11915 * final.c (compute_alignments): Ditto.
11916 (rest_of_handle_final): Ditto.
11917 (rest_of_handle_shorten_branches): Ditto.
11918 (rest_of_clean_state): Ditto.
11919 * omp-low.c (execute_expand_omp): Ditto.
11920 (execute_lower_omp): Ditto.
11921 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11922 * ipa-reference.c (static_execute): Ditto.
11923 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11924 * reorg.c (rest_of_handle_delay_slots): Ditto.
11925 (rest_of_handle_machine_reorg): Ditto.
11926 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11927 * flow.c (recompute_reg_usage): Ditto.
11928 (rest_of_handle_remove_death_notes): Ditto.
11929 (rest_of_handle_life): Ditto.
11930 (rest_of_handle_flow2): Ditto.
11931 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11932 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11933 (do_ssa_store_ccp): Ditto.
11934 (execute_fold_all_builtins): Ditto.
11935 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11936 * modulo-sched.c (rest_of_handle_sms): Ditto.
11937 * ipa-pure-const.c (static_execute): Ditto.
11938 * cse.c (rest_of_handle_cse): Ditto.
11939 (rest_of_handle_cse2): Ditto.
11940 * web.c (rest_of_handle_web): Ditto.
11941 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11942 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11943 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11944 * tree-nrv.c (tree_nrv): Ditto.
11945 (execute_return_slot_opt): Ditto.
11946 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11947 (create_structure_vars): Ditto.
11948 * loop-init.c (rtl_loop_init): Ditto.
11949 (rtl_loop_done): Ditto.
11950 (rtl_move_loop_invariants): Ditto.
11951 (rtl_unswitch): Ditto.
11952 (rtl_unroll_and_peel_loops): Ditto.
11953 (rtl_doloop): Ditto.
11954 * gimple-low.c (lower_function_body): Ditto.
11955 (mark_used_blocks): Ditto.
11956 * tree-ssa-sink.c (execute_sink_code): Ditto.
11957 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11958 (cgraph_early_inlining): Ditto.
11959 * global.c (rest_of_handle_global_alloc): Ditto.
11960 * jump.c (cleanup_barriers): Ditto.
11961 (purge_line_number_notes): Ditto.
11962 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11963 (rest_of_handle_if_after_reload): Ditto.
11964 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11965 (tree_ssa_loop_im): Ditto.
11966 (tree_ssa_loop_unswitch): Ditto.
11967 (tree_vectorize): Ditto.
11968 (tree_linear_transform): Ditto.
11969 (tree_ssa_loop_ivcanon): Ditto.
11970 (tree_ssa_empty_loop): Ditto.
11971 (tree_ssa_loop_bounds): Ditto.
11972 (tree_complete_unroll): Ditto.
11973 (tree_ssa_loop_prefetch): Ditto.
11974 (tree_ssa_loop_ivopts): Ditto.
11975 (tree_ssa_loop_done): Ditto.
11976 * predict.c (tree_estimate_probability): Ditto.
11977 * recog.c (split_all_insns_noflow): Ditto.
11978 (rest_of_handle_peephole2): Ditto.
11979 (rest_of_handle_split_all_insns): Ditto.
11980 * tree-eh.c (lower_eh_constructs): Ditto.
11981 * regmove.c (rest_of_handle_regmove): Ditto.
11982 (rest_of_handle_stack_adjustments): Ditto.
11983 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11984 * function.c (instantiate_virtual_regs): Ditto.
11985 (init_function_for_compilation): Ditto.
11986 (rest_of_handle_check_leaf_regs): Ditto.
11987 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11988 (rest_of_handle_gcse): Ditto.
11989 * ipa-type-escape.c (type_escape_execute): Ditto.
11990 * alias.c (rest_of_handle_cfg): Ditto.
11991 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11992 * profile.c (rest_of_handle_branch_prob): Ditto.
11993 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11994 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11995 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11996 * tree-dfa.c (find_referenced_vars): Ditto.
11997 * except.c (set_nothrow_function_flags): Ditto.
11998 (convert_to_eh_region_ranges): Ditto.
11999 (rest_of_handle_eh): Ditto.
12000 * emit-rtl.c (unshare_all_rtl): Ditto.
12001 (remove_unnecessary_notes): Ditto.
12002 * except.h (set_nothrow_function_flags): Ditto.
12003 (convert_to_eh_region_ranges): Ditto.
12004 * cfgexpand.c (tree_expand_cfg): Ditto.
12005 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12006 * tree-ssa-pre.c (do_pre): Ditto.
12007 (execute_fre): Ditto.
12008 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12009 (rest_of_handle_jump2): Ditto.
12010 * tree-sra.c (tree_sra): Ditto.
12011 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12012 (execute_mudflap_function_decls): Ditto.
12013 * tree-ssa-copy.c (do_copy_prop): Ditto.
12014 (do_store_copy_prop): Ditto.
12015 * ipa-prop.h (ipcp_driver): Ditto.
12016 * cfglayout.c (insn_locators_initialize): Ditto.
12017 * tree-ssa-forwprop.c
12018 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12019 * cfglayout.h (insn_locators_initialize): Ditto.
12020 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12021 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12022 (execute_late_warn_uninitialized): Ditto.
12023 * rtl.h (cleanup_barriers): Ditto.
12024 (split_all_insns_noflow): Ditto.
12025 (purge_line_number_notes): Ditto.
12026 (unshare_all_rtl): Ditto.
12027 (remove_unnecessary_notes): Ditto.
12028 (recompute_reg_usage): Ditto.
12029 (variable_tracking_main): Ditto.
12030 * integrate.c (emit_initial_value_sets): Ditto.
12031 * integrate.h (emit_initial_value_sets): Ditto.
12032 * tree-optimize.c (execute_free_datastructures): Ditto
12033 (execute_free_cfg_annotations): Ditto.
12034 (execute_fixup_cfg): Ditto.
12035 (execute_cleanup_cfg_pre_ipa): Ditto.
12036 (execute_cleanup_cfg_post_optimizing): Ditto.
12037 (execute_init_datastructures): Ditto.
12038 * tree-object-size.c (compute_object_sizes): Ditto.
12039 * combine.c (rest_of_handle_combine): Ditto.
12040 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12041 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12042 (rest_of_handle_reorder_blocks): Ditto.
12043 (rest_of_handle_partition_blocks): Ditto.
12044 * var-tracking.c (variable_tracking_main): Ditto.
12045 * tree-profile.c (tree_profiling): Ditto.
12046 * tree-vect-generic.c (expand_vector_operations): Ditto.
12047 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12048 * sched-rgn.c (rest_of_handle_sched): Ditto.
12049 (rest_of_handle_sched2): Ditto.
12050 * basic-block.h (free_bb_insn): Ditto.
12051 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12052 * tree-cfg.c (execute_build_cfg): Ditto.
12053 (remove_useless_stmts): Ditto.
12054 (split_critical_edges): Ditto.
12055 (execute_warn_function_return): Ditto.
12056 (execute_warn_function_noreturn): Ditto.
12057 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12058 * cfgrtl.c (free_bb_for_insn): Ditto.
12059 * passes.c (execute_one_pass): Run additional
12060 todos returned by execute function.
12061 * tree-pass.h (struct tree_opt_pass): Make execute
12064 2006-03-02 Richard Guenther <rguenther@suse.de>
12066 * tree-ssa-alias.c (find_used_portions): Consider taking
12067 the address as making the variable not write-only.
12069 2006-03-02 Nick Clifton <nickc@redhat.com>
12071 * config.gcc (default_use_cxa_atexit): Extend the description of
12072 this configure variable. Set its default value to "yes" for
12073 Linux, NetBSD and ELF targets on the assumption that they will
12074 use C libraries with the __cxa_atexit function.
12076 2006-03-02 Ben Elliston <bje@au.ibm.com>
12078 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12079 parameter as unused to suppress a build warning.
12081 2006-03-02 Ben Elliston <bje@au.ibm.com>
12083 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12086 2006-03-01 Roger Sayle <roger@eyesopen.com>
12089 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12090 declared name, the weak reference name, and the typeof name.
12091 (__gthrw): Avoid expanding the declared name suffix.
12092 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12094 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12096 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12098 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12099 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12100 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12101 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12102 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12103 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12104 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12105 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12106 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12107 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12108 (DW_END_default, DW_END_big, DW_END_little): New.
12109 (DW_END_lo_user, DW_END_hi_user): Define.
12110 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12111 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12112 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12115 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12117 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12119 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12121 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12123 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12125 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12126 to 'symbol_mem_tag'.
12128 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12131 2006-03-01 Roger Sayle <roger@eyesopen.com>
12133 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12135 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12138 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12139 MACHO_DYNAMIC_NO_PIC_P.
12140 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12142 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12145 * config/darwin-protos.h (darwin_asm_output_anchor):
12147 * config/darwin-sections.def (cstring_section):
12148 Add SECTION_MERGE to the flags.
12149 (literal4_section): Likewise.
12150 (literal8_section): Likewise.
12151 (objc_selector_refs_section): Likewise.
12152 (objc_cls_refs_section): Likewise.
12153 * config/darwin.c (darwin_asm_output_anchor): New
12155 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12157 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12159 Fix PR tree-optimization/26443
12160 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12161 to todo and PROP_tmt_usage to properties_destroyed.
12162 * tree-ssa-ccp.c (pass_ccp): Ditto.
12163 (pass_store_ccp): Ditto.
12164 * tree-ssa-dom.c (pass_dominator): Ditto.
12166 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12168 * tree-ssa-operands.c: Cleanup whitespace.
12169 (get_asm_expr_operands): Move before first invocation.
12170 (get_indirect_ref_operands): Likewise.
12171 (get_tmr_operands): Likewise.
12172 (get_call_expr_operands): Likewise.
12173 (append_def): Likewise.
12174 (append_use): Likewise.
12175 (append_v_may_def): Likewise.
12176 (append_v_must_def): Likewise.
12177 (add_call_clobber_ops): Likewise.
12178 (add_call_read_ops): Likewise.
12179 (add_stmt_operand): Likewise.
12180 (add_virtual_operand): Likewise.
12181 (build_ssa_operands): Likewise.
12183 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12185 PR middle-end/26022
12187 PR middle-end/24437
12188 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12189 with a call expr to ...
12190 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12192 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12194 * tree-vrp.c (extract_range_from_assert): Remove special
12195 handling for types with super-types.
12197 2006-03-01 Ben Elliston <bje@au.ibm.com>
12199 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12200 and powerpc64-*-linux* configurations.
12201 * config/t-dfprules: New file.
12203 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12204 Compile dfp-bit.c from the source directory using -DWIDTH and
12205 $DFP_CFLAGS to control the compilation of that file, rather than
12206 generating width-specific versions in the build directory.
12207 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12208 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12210 2006-02-28 Zack Weinberg <zackw@panix.com>
12212 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12215 2006-02-28 Eric Christopher <echristo@apple.com>
12217 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12218 Set up IN_LIBGCC definition of TARGET_64BIT.
12219 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12221 2006-02-28 Roger Sayle <roger@eyesopen.com>
12223 PR middle-end/14752
12224 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12225 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12226 cases via the construction of "expr != 0".
12228 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12230 * alias.c (alias_invariant, alias_invariant_size): Remove.
12231 (record_base_value): Remove.
12232 (memrefs_conflict_p): Don't look at alias_invariant.
12233 (end_alias_analysis): Don't free it.
12234 * alias.h (record_base_value): Remove prototype.
12236 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12237 Adam Nemet <anemet@caviumnetworks.com>
12239 * rtl.h (truncated_to_mode): Declare it.
12240 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12241 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12242 (RTL_HOOKS_INITIALIZER): Include it.
12243 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12244 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12245 reg_truncated_to_mode.
12246 * rtlanal.c (truncated_to_mode): Define it.
12247 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12249 2006-02-28 Jeff Law <law@redhat.com>
12251 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12252 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12253 the range allowed by TYPE_PRECISION.
12255 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12257 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12259 PR tree-optimization/26419
12260 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12263 2006-02-27 Zack Weinberg <zackw@panix.com>
12265 * doc/md.texi: Fix typo in previous change.
12267 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12271 2006-02-27 Zack Weinberg <zackw@panix.com>
12273 * rtl.def (define_constraint, define_register_constraint)
12274 (define_memory_constraint, define_address_constraint): New MD forms.
12275 * gensupport.c (process_rtx): Put define_constraint etc on the
12277 * genpreds.c (process_define_predicate): Adjust comment. Validate
12278 the name, and call validate_exp to validate the expression.
12279 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12280 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12281 all callers changed.
12282 (validate_exp, needs_variable, struct constraint_data)
12283 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12284 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12285 (const_dbl_constraints, constraint_max_namelen)
12286 (have_register_constraints, have_memory_constraints)
12287 (have_address_constraints, have_address_constraints)
12288 (have_extra_constraints, have_const_int_constraints)
12289 (have_const_dbl_constraints, mangle, add_constraint)
12290 (process_define_constraint, process_define_register_constraint)
12291 (write_enum_constraint_num, write_lookup_constraint)
12292 (write_insn_constraint_len, write_regclass_for_constraint)
12293 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12294 (write_insn_extra_memory_constraint)
12295 (write_insn_extra_address_constraint)
12296 (write_satisfies_constraint_fns): New.
12297 (write_tm_preds_h): If we have new-style constraint definitions,
12298 prototype the functions generated from them, and define the
12299 old constraint interface (still used by generic code) in terms of
12301 (write_insn_preds_c): If we have new-style constraint definitions,
12302 generate all relevant functions from those definitions.
12303 (main): Handle define_constraint etc.
12304 * genoutput.c (struct constraint_data, indep_constraints)
12305 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12306 (mdep_constraint_len): New data structures and functions, defined
12307 #ifdef USE_MD_CONSTRAINTS.
12308 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12309 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12310 use new logic to validate operand constraints against constraint
12312 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12314 * defaults.h: If none of the old-style constraint macros are
12315 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12316 old-style macros; and poison REG_CLASS_FROM_LETTER,
12317 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12319 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12320 * doc/md.texi: Document new constraint-definition mechanism and the
12321 C interface it provides. Remove references to old mechanism
12322 elsewhere in the document.
12323 (Machine Constraints): Use pathnames relative to gcc directory,
12324 i.e. config/ARCH/FILE. Change i386 section to refer to
12325 config/i386/predicates.md; update that section to match docstrings.
12326 * doc/tm.texi: Move all documentation of the old constraint-
12327 definition macros to their own section, clearly mark as obsolete.
12329 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12330 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12332 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12333 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12334 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12335 constraint strings.
12336 (splits and peepholes): Use satisfies_constraint_*.
12337 * config/i386/i386.c (memory_address_length)
12338 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12340 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12342 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12343 scalar operation to be put back into the loop.
12345 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12348 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12349 (extract_cie_info): Handle S flag in augmentation string.
12350 (execute_cfa_program): If context->signal_frame, execute also
12351 fs->pc == context->ra instructions.
12352 (uw_frame_state_for): If context->signal_frame, don't subtract one
12353 from context->ra to find FDE.
12354 (uw_update_context_1): Set context->signal_frame to
12356 (_Unwind_GetIPInfo): New function.
12357 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12358 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12360 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12361 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12362 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12363 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12364 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12365 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12366 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12367 x86_64_fallback_frame_state): Set fs->signal_frame.
12368 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12369 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12370 (frob_update_context): Likewise. Workaround missing S flag in
12371 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12372 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12373 Remove the psw_addr + 1 hack.
12375 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12377 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12378 with aggregates here.
12379 (find_func_aliases): Remove code for &<aggregate> from here.
12381 2006-02-26 Roger Sayle <roger@eyesopen.com>
12383 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12384 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12385 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12386 as (X & C) ne/eq 0.
12388 2006-02-26 Roger Sayle <roger@eyesopen.com>
12390 PR middle-end/19983
12391 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12393 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12395 * opts.c (decode_options): Do not handle flag_strength_reduce.
12396 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12397 and OPT_fstrength_reduce.
12398 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12399 flag_prefetch_loop_arrays for being nonzero.
12400 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12402 (fprefetch-loop-arrays-rtl): Removed.
12403 (flag_prefetch_loop_arrays): Do not specify the value.
12405 * doc/passes.texi: Update documentation of loop optimizer
12407 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12408 -frerun-loop-opt): Remove.
12410 2006-02-26 Richard Guenther <rguenther@suse.de>
12412 PR tree-optimization/26421
12413 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12414 in function calls that are ADDR_EXPRs as using the whole structure.
12416 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12418 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12419 * tree-pass.h (pass_loop_optimize): Remove.
12420 * passes.c (pass_loop_optimize): Never run it.
12421 * toplev.c (backend_init): Don't call init_loop.
12422 * opts.c (flag_loop_optimize_set): Remove.
12423 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12424 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12425 the old RTL loop optimizer when profiling enabled.
12426 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12427 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12428 pre-headers for the sake of the old RTL loop optimizer.
12429 * Makefile.in: Remove all references to loop.o.
12431 * doc/invoke.texi: Remove all references to -floop-optimize
12432 and -frerun-loop-opt.
12434 2006-02-26 Zack Weinberg <zackw@panix.com>
12436 * doc/md.texi (Machine Constraints): Refer to all files with paths
12437 relative to gcc directory (i.e. config/CPU/file). Add missing
12438 @table @code ... @end table to M32C subsection.
12440 2006-02-26 Roger Sayle <roger@eyesopen.com>
12442 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12444 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12446 2006-02-26 Roger Sayle <roger@eyesopen.com>
12447 James A. Morrison <phython@gcc.gnu.org>
12449 PR middle-end/21137
12450 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12451 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12452 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12453 signedness of the shift operation.
12455 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12457 PR tree-optimization/26359
12458 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12460 2006-02-25 Roger Sayle <roger@eyesopen.com>
12462 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12463 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12464 as X == 0, and some symmetry related transformations.
12465 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12467 2006-02-25 Roger Sayle <roger@eyesopen.com>
12469 PR middle-end/23673
12470 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12471 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12472 symmetry related transformations. Fold (X^C1) == C2 as
12475 2006-02-25 Juergen Weigert <jw@suse.de>
12476 Richard Guenther <rguenther@suse.de>
12478 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12480 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12482 * combine.c (gen_lowpart_or_truncate): Call
12483 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12485 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12487 * doc/invoke.texi: Move -fopenmp description to "Options for
12489 Remove reference to -lgomp.
12491 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12493 * doc/install.texi: Require GNU tar version 1.14.
12495 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12497 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12498 * doc/invoke.texi (C++ Dialect Options): Document
12499 -fno-use-cxa-get-exception-ptr.
12500 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12501 * configure: Regenerate.
12502 * c.opt (fuse-cxa-get-exception-ptr): New.
12503 * c-opts.c (c_common_handle_option): Handle
12504 OPT_fuse_cxa_get_exception_ptr.
12505 * c-common.c (flag_use_cxa_atexit): Update documentation.
12506 (flag_use_cxa_get_exception_ptr): New.
12507 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12508 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12510 (C_COMMON_OVERRIDE_OPTIONS): New.
12512 2006-02-24 Roger Sayle <roger@eyesopen.com>
12514 PR middle-end/24952
12515 * combine.c (try_combine): Explicitly check whether GET_CODE is
12516 a SET or a CLOBBER, instead on checking that it isn't a USE.
12518 2006-02-24 Roger Sayle <roger@eyesopen.com>
12520 * fold-const.c (fold_comparison): New subroutine of fold_binary
12521 containing transformations common to both the equality and
12522 ordering relational operators, factored out of fold_binary.
12523 (fold_binary): Separate out the equality operators (EQ_EXPR
12524 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12525 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12526 transformations common to both.
12527 (fold_div_compare): Fix latent bugs in the previously unreachable
12528 LT_EXPR and GE_EXPR cases.
12530 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12532 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12533 decl libname for clog to __clog on AIX.
12535 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12537 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12540 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12541 output traceback table for thunks. Localise rs6000_stack_info call.
12543 2006-02-23 Roger Sayle <roger@eyesopen.com>
12544 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12546 * gthr-posix.h (__gthrw): Fix typo in comment.
12548 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12550 * doc/cpp.texi (Character sets): Document that we do support
12551 input files to be in any character set.
12553 2006-02-23 Jeff Law <law@redhat.com>
12555 * tree.h (PHI_ARG_NONZERO): Remove.
12556 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12557 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12558 node to the new node.
12560 PR tree-optimization/26425
12561 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12562 min/max, then assume its varying.
12564 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12566 PR rtl-optimization/26316
12567 * rtlanal.c (enum may_trap_p_flags): New.
12568 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12569 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12570 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12571 (may_trap_after_code_motion_p): New function.
12572 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12573 (find_invariant_insn): Use may_trap_after_code_motion_p.
12574 * rtl.h (may_trap_after_code_motion_p): Declare.
12576 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12578 * emit-rtl.c (immed_double_const): Cleanup.
12580 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12582 Fix PR tree-optimization/26376
12583 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12586 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12588 PR middle-end/26412
12589 * gimplify.c (omp_add_variable): Guard variable size decl test with
12590 DECL_SIZE (decl) check.
12592 2006-02-23 Richard Guenther <rguenther@suse.de>
12594 PR middle-end/26439
12595 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12596 like aggregate types.
12598 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12600 * configure.ac: Add --with{,out}-long-double-128 configure option.
12601 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12602 * configure: Rebuilt.
12603 * config.in: Rebuilt.
12604 * doc/install.texi (Options specification): Document
12605 --with-long-double-128.
12607 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12608 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12609 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12610 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12612 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12614 * config/s390/s390.c (override_options): Handle
12615 TARGET_DEFAULT_LONG_DOUBLE_128.
12617 * config/alpha/alpha.c (override_options): Handle
12618 TARGET_DEFAULT_LONG_DOUBLE_128.
12620 * config/sparc/sparc.c (sparc_override_options): Handle
12621 TARGET_DEFAULT_LONG_DOUBLE_128.
12623 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12625 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12626 (real-install-headers-tar, real-install-headers-cpio)
12627 (real-install-headers-cp): New targets.
12629 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12631 * tree.h (variable_section): Delete.
12632 * varasm.c (variable_section): Delete.
12634 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12636 * install.texi: Add notes on install.texi2html.
12637 (Building in parallel): Do not use footnotes.
12639 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12642 * doc/install.texi (Configuration): Document --disable-libgomp.
12644 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12646 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12648 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12650 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12651 (vec_extractv2df_0_sse): New.
12653 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12655 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12656 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12657 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12658 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12659 to the result of the expression.
12660 (def_cfa_1): Adjust.
12661 (frame_pointer_cfa_offset): Rename to...
12662 (frame_pointer_fb_offset): ... this. Adjust all uses.
12663 (convert_cfa_to_loc_list): Rename to...
12664 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12665 Pass it on to build_cfa_loc.
12666 (compute_frame_pointer_to_cfa_displacement): Rename to...
12667 (compute_frame_pointer_to_fb_displacement): ... this. New
12668 offset parameter. Use it in computation.
12669 (gen_subprogram_die): Compute cfa_fb_offset with the new
12670 macro, and use it to compute the fb loc list and the
12673 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12675 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12676 replaced with register_operand.
12677 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12678 non-DREG is expensive.
12679 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12680 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12683 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12685 * doc/install.texi2html: Use set -e.
12687 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12689 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12690 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12691 * doc/invoke.texi (-fshared-data): Delete.
12692 * common.opt (fshared-data): Delete.
12693 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12694 (assemble_static_space): Remove #if 0 code.
12695 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12696 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12697 * config/cris/cris.h: Remove FIXME.
12699 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12701 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12704 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12706 PR middle-end/26379
12707 * combine.c (simplify_shift_const_1): Disable nested shifts
12708 optimization for vector shifts.
12710 2006-02-20 Roger Sayle <roger@eyesopen.com>
12712 PR tree-optimization/26361
12713 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12714 of unsigned integer types.
12716 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12718 * tree-chrec.c (eq_evolutions_p): New.
12719 * tree-chrec.h (eq_evolutions_p): Declared.
12720 * tree-data-ref.c: Fix formatting.
12721 (datadep_stats, dependence_stats): New.
12723 (print_direction_vector): New.
12724 (dump_data_dependence_relation): Use print_direction_vector.
12725 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12726 (compute_subscript_distance): Static.
12727 (initialize_data_dependence_relation): Static. Get the number
12728 of loops surrounding the references from the callers, and initialize
12729 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12730 base_object_differ_p analyzers.
12731 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12732 compute_overlap_steps_for_affine_1_2,
12733 analyze_subscript_affine_affine): Count the classified dependences.
12734 Print a message when a test failed.
12735 (can_use_analyze_subscript_affine_affine): New.
12736 (analyze_siv_subscript): Compute the data dependences on symbolic
12737 scevs that verify can_use_analyze_subscript_affine_affine.
12738 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12739 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12740 Handle symbolic scevs.
12741 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12743 (subscript_dependence_tester): Moved...
12744 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12745 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12746 DDR_SIZE_VECT instead of getting it in parameter.
12747 (subscript_dependence_tester): ... here. Take as a parameter
12748 loop_nest_depth. Call build_classic_dist_vector and
12749 build_classic_dir_vector.
12750 (compute_affine_dependence): Update subscript_dependence_tester
12751 parameters. Update datadep_stats counters. Call
12752 compute_subscript_distance.
12753 (compute_self_dependence): Save the dist and dir vectors. Call
12754 compute_subscript_distance.
12755 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12756 (compute_all_dependences): Reorder parameters as they were before
12757 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12758 compute_subscript_distance. Update the use of
12759 compute_affine_dependence and initialize_data_dependence_relation.
12760 (find_data_references_in_loop): Handle COMPONENT_REF.
12761 (compute_data_dependences_for_loop): Initialize dependence_stats.
12762 Don't call build_classic_dist_vector and build_classic_dir_vector.
12763 Update the parameters of initialize_data_dependence_relation and
12764 compute_all_dependences. Print the statistics from datadep_stats.
12765 (analyze_all_data_dependences): Static. Not used until the pass for
12766 checking the data dependences is contributed.
12767 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12768 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12769 (initialize_data_dependence_relation, compute_affine_dependence,
12770 analyze_all_data_dependences, compute_subscript_distance): Removed.
12771 (print_direction_vector): New.
12772 * lambda.h (gcd): ... here.
12773 (lambda_vector_gcd): Moved here from gcd_vector.
12774 * lambda-code.c (gcd, gcd_vector): Removed.
12775 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12776 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12778 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12780 * ipa-type-escape.c: Tidy some comments and white space.
12781 * tree-ssa-operands.c: Likewise.
12783 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12786 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12787 (dump_decl_name): Do not walk the decl tree chains.
12788 * tree-pass.h (TDF_CHAIN): Remove.
12790 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12792 * Makefile.in (C): Remove
12794 (.PHONY): Remove C and PROTO
12796 2006-02-20 Roger Sayle <roger@eyesopen.com>
12798 PR middle-end/26236
12799 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12800 deprecated CHAR_TYPE tree code.
12802 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12804 * configure.ac (target_list): Add install-info, dvi, html.
12805 * configure: Regenerate.
12807 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12808 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12809 treelang/Make-lang.in: Do not use double-colon rules.
12811 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12813 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12814 (TMT_USED_ALONE): New macro.
12815 * tree-pass.h (PROP_tmt_usage): New property.
12816 (TODO_update_tmt_usage): New todo.
12817 * tree-ssa-alias.c (updating_used_alone): New variable.
12818 (recalculate_used_alone): New function.
12819 (compute_may_aliases): Set updating_used_alone, call
12820 recalculate_used_alone.
12821 * tree-sra.c (pass_sra): Note that this pass destroys
12822 PROP_tmt_usage, and add TODO_update_tmt_usage.
12823 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12824 * tree-flow.h (updating_used_alone): Prototype.
12825 (recalculate_used_alone): Ditto.
12826 * passes.c (execute_todo): Add code to set updating_used_alone,
12827 and call recalculate.
12828 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12829 for clobber if used alone, and add assert to verify used_alone
12832 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12834 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12835 for non tls symbols added.
12836 (legitimize_address): Do nothing for PLUS expressions if one of the
12837 addends is a tls symbol reference.
12839 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12843 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12845 * Makefile.in (BOOTSTRAPPING): New.
12846 (quickstrap): New definition if BOOTSTRAPPING=yes.
12848 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12849 * configure.ac: Substitute all_selected_languages with the languages
12850 that were configured. For all the other variables except
12851 lang_specs_files, include all the languages in the tree.
12852 * configure: Regenerate.
12854 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12855 if there is one. Run the commands to run fixincludes in the same
12858 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12859 * doc/install.texi: Document exact conventions for searching target tools.
12860 Document --with-build-time-tools. Document toplevel bootstrap. Document
12861 something more about building an Ada cross-compiler. Don't list GNU Make
12862 requirements which affect all platforms.
12864 2006-02-19 Roger Sayle <roger@eyesopen.com>
12866 PR middle-end/19543
12867 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12868 only equivalent if the have both the same mode and precision.
12870 2006-02-20 Ben Elliston <bje@au.ibm.com>
12872 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12874 2006-02-19 Roger Sayle <roger@eyesopen.com>
12875 Steven Bosscher <stevenb.gcc@gmail.com>
12877 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12878 constant pool references to identify stack mode constants.
12879 * rtlanal.c (constant_pool_constant_p): New predicate to check
12880 whether operand is a floating point constant in the pool.
12881 * rtl.h (constant_pool_constant_p): Prototype here.
12882 * loop.c (scan_loop): Avoid hoisting constants from the constant
12883 pool on STACK_REGS targets.
12884 (load_mems): Likewise.
12885 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12886 loads into x87 registers expensive in terms of register pressure.
12888 2006-02-19 Roger Sayle <roger@eyesopen.com>
12890 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12891 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12893 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12895 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12896 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12898 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12900 * doc/invoke.texi: Document -fipa-pta.
12901 * common.opt: Add ipa-pta option.
12902 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12903 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12904 (do_ds_constraint): Ditto.
12905 (get_constraint_for): Only add to referenced_vars if
12906 referenced_vars exists.
12907 (insert_into_field_list): Rewrite to do this unsorted.
12908 (insert_into_field_list_sorted): Rename old insert_into_field_list
12910 (create_function_info_for): Use insert_into_field_list_sorted.
12911 (create_variable_info_for): Rewrite so it uses unsorted version,
12912 since the field list is sorted.
12913 (intra_create_variable_infos): Only add to referenced_vars if
12914 referenced_vars exists.
12915 (ipa_pta_execute): Init heapvars, and delete when done.
12916 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12918 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12920 * doc/install.texi: Add missing `@samp'.
12922 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12924 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12927 2006-02-18 Mark Wielaard <mark@klomp.org>
12929 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12930 who added new 4.1 features, bug fixes and integration support.
12932 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12935 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12936 MEM for ABI_V4 pic.
12938 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12940 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12941 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12942 (copy_insn_1): Likewise. Don't copy each field individually.
12944 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12946 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12947 * rtl.c (rtx_size): Rename variable to...
12948 (rtx_code_size): ...this.
12949 (rtx_size): New function.
12950 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12951 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12953 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12954 * rtl.h (rtx_code_size): New variable.
12955 (rtx_size): Change from a variable to a function.
12956 (RTX_SIZE): Rename to...
12957 (RTX_CODE_SIZE): ...this.
12960 PR tree-optimization/17106
12961 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12962 (Anchored Addresses): New section.
12963 * doc/invoke.texi (-fsection-anchors): Document.
12964 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12965 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12966 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12967 * hooks.c (hook_bool_mode_rtx_false): New function.
12968 * hooks.h (hook_bool_mode_rtx_false): Declare.
12969 * gengtype.c (create_optional_field): New function.
12970 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12971 SYMBOL_REF_IN_BLOCK_P is true.
12972 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12973 (min_anchor_offset, max_anchor_offset): Likewise.
12974 (use_anchors_for_symbol_p): New hook.
12975 * toplev.c (compile_file): Call output_object_blocks.
12976 (target_supports_section_anchors_p): New function.
12977 (process_options): Check that -fsection-anchors is only used on
12978 targets that support it and when -funit-at-a-time is in effect.
12979 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12980 if the decl doesn't have one.
12981 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12982 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12983 of force_const_mem through use_anchored_address.
12984 (expand_expr_constant): New function.
12985 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12986 calling expand_expr for INDIRECT_REF.
12987 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12988 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12989 * expr.h (use_anchored_address): Declare.
12990 * loop-unroll.c: Don't declare rtx vectors here.
12991 * explow.c: Include output.h.
12992 (validize_mem): Call use_anchored_address.
12993 (use_anchored_address): New function.
12994 * common.opt (-fsection-anchors): New switch.
12995 * varasm.c (object_block_htab, anchor_labelno): New variables.
12996 (hash_section, object_block_entry_eq, object_block_entry_hash)
12997 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12998 (use_blocks_for_decl_p, change_symbol_section): New functions.
12999 (get_variable_section): New function, split out from assemble_variable.
13000 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13001 use_blocks_for_decl_p say so. Use change_symbol_section if the
13002 symbol has already been created.
13003 (assemble_variable_contents): New function, split out from...
13004 (assemble_variable): ...here. Don't output any code for
13005 block symbols; just pass them to place_block_symbol.
13006 Use get_variable_section and assemble_variable_contents.
13007 (get_constant_alignment, get_constant_section, get_constant_size): New
13008 functions, split from output_constant_def_contents.
13009 (build_constant_desc): Create a block symbol if use_object_blocks_p
13010 says so. Or into SYMBOL_REF_FLAGS.
13011 (assemble_constant_contents): New function, split from...
13012 (output_constant_def_contents): ...here. Don't output any code
13013 for block symbols; just pass them to place_section_symbol.
13014 Use get_constant_section and get_constant_alignment.
13015 (force_const_mem): Create a block symbol if use_object_blocks_p and
13016 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13017 (output_constant_pool_1): Add an explicit alignment argument.
13018 Don't switch sections here.
13019 (output_constant_pool): Adjust call to output_constant_pool_1.
13020 Switch sections here instead. Don't output anything for block symbols;
13021 just pass them to place_block_symbol.
13022 (init_varasm_once): Initialize object_block_htab.
13023 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13024 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13025 (place_block_symbol, get_section_anchor, output_object_block)
13026 (output_object_block_htab, output_object_blocks): New functions.
13027 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13028 (TARGET_ASM_OUT): Include it.
13029 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13030 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13031 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13032 (TARGET_INITIALIZER): Include them.
13033 * rtl.c (rtl_check_failed_block_symbol): New function.
13034 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13035 (block_symbol, object_block): New structures.
13036 (rtx_def): Add a block_symbol field to the union.
13037 (BLOCK_SYMBOL_CHECK): New macro.
13038 (rtl_check_failed_block_symbol): Declare.
13039 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13040 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13041 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13042 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13043 * output.h (output_section_symbols): Declare.
13044 (object_block): Name structure.
13045 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13046 (default_use_anchors_for_symbol_p): Declare.
13047 * Makefile.in (RTL_BASE_H): Add vec.h.
13048 (explow.o): Depend on output.h.
13049 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13050 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13051 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13052 (rs6000_use_blocks_for_constant_p): New function.
13054 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13056 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13058 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13061 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13064 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13066 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13070 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13072 PR middle-end/26334
13073 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13074 instead of DECL_REGISTER.
13076 2006-02-18 Olivier Hainque <hainque@adacore.com>
13079 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13081 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13084 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13085 * opth-gen.awk: Handle Var and InverseMask together.
13086 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13087 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13088 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13089 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13091 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13092 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13093 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13094 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13095 LINUX_DYNAMIC_LINKER): Define.
13096 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13097 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13099 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13100 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13101 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13103 (TARGET_C99_FUNCTIONS): Don't define.
13104 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13105 GLIBC_DYNAMIC_LINKER.
13106 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13107 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13108 GLIBC_DYNAMIC_LINKER64): Define.
13109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13110 LINUX_DYNAMIC_LINKER64.
13111 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13113 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13114 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13115 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13117 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13118 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13119 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13121 and LINUX_DYNAMIC_LINKER32.
13122 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13123 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13124 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13126 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13128 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13129 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13130 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13131 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13132 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13133 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13134 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13135 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13136 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13137 LINUX_DYNAMIC_LINKER): Define.
13138 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13139 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13140 GLIBC_DYNAMIC_LINKER64): Define.
13141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13142 LINUX_DYNAMIC_LINKER64.
13143 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13144 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13145 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13146 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13147 LINUX_DYNAMIC_LINKER): Define.
13148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13149 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13150 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13151 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13152 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13153 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13154 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13155 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13156 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13157 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13159 * doc/invoke.texi (-muclibc): Remove caveat about supported
13162 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13164 * doc/cpp.texi (__TIMESTAMP__): Document.
13166 2006-02-17 Roger Sayle <roger@eyesopen.com>
13168 PR middle-end/25600
13169 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13170 C is one less than the width of X (and related transformations).
13171 * simplify-rtx.c (simplify_unary_operation_1): Transform
13172 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13173 depending on STORE_FLAG_VALUE, were C is one less then the
13176 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13178 Fix PR tree-optimization/26341
13179 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13180 about NAME_MEMORY_TAG's.
13182 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13185 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13186 with hardware float support, and software float support. Add fcpy
13187 alternative to hardware patterns. Add alternatives to copy between
13188 general and floating-point registers to the 32-bit pattern.
13189 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13190 secondary reload to load a QI or HI mode constant into a floating
13192 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13193 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13195 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13198 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13200 (load_macho_picbase_di): Likewise.
13202 2006-02-16 Jeff Law <law@redhat.com>
13204 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13205 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13206 (ssa_name_nonzero_p): Likewise.
13207 (get_value_range): Return NULL if VRP is not running.
13208 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13209 VRP routines do not discover a range.
13210 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13211 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13212 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13213 (tree_expr_nonnegative_p): Similarly.
13214 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13215 (restore_nonzero_vars_to_original_value): Remove.
13216 (unsafe_associative_fp_binop): Remove.
13217 (tree_ssa_dominator_optimize): Remove initialization and
13218 finalization of nonzero_vars and nonzero_vars_stack.
13219 (dom_opt_initialize_block): No longer push marker on
13220 nonzero_vars_stack.
13221 (dom_opt_finalize_block): No longer call
13222 restore_nonzero_vars_to_original_value.
13223 (record_equivalences_from_phis): No longer look for
13224 nonzero PHI arguments.
13225 (cprop_into_successor_phis): No longer propagate nonzero
13226 property into PHI arguments. Lose unused argument. Caller
13228 (record_equivalences_from_stmt): No longer record nonzero
13229 values for SSA_NAMEs.
13230 (lookup_avail_expr): No longer use nonzero_vars.
13232 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13233 for sizetype when sizetype is unsigned.
13235 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13237 PR rtl-optimization/25603
13238 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13239 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13240 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13241 with new meaning of SETS.
13243 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13248 * config/linux.opt: New file.
13249 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13250 LINUX_DYNAMIC_LINKER): Define.
13251 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13252 * config.gcc (*-*-linux*): Define extra_options.
13253 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13254 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13255 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13256 GLIBC_DYNAMIC_LINKER.
13257 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13258 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13259 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13261 * doc/invoke.texi (GNU/Linux Options): New section.
13263 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13265 * config/sparc/sparc.md (setjmp): Rewrite.
13266 (setjmp_32): Delete.
13267 (setjmp_64): Likewise.
13269 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13271 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13274 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13276 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13279 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13281 PR rtl-optimization/26296
13282 * Makefile.in (loop-invariant.c): Add except.h dependency.
13283 * loop-invariant.c: Include except.h.
13284 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13286 2005-02-16 Paul Brook <paul@codesourcery.com>
13288 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13291 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13293 PR rtl-optimization/25636
13294 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13295 when deciding whether an insn is an initializing insn.
13297 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13299 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13300 (tree_code_size): Ditto.
13301 * tree.h (struct tree_memory_tag): Remove parent_var.
13302 (struct tree_struct_field_tag): New.
13305 (union tree_node): Add sft member.
13306 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13308 (create_sft): Add size and offset argument, set SFT_OFFSET and
13310 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13311 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13312 * tree-flow-inline.h (get_subvar_at): Update for
13313 SFT_OFFSET/SFT_SIZE.
13314 (var_can_have_subvars): Ditto.
13315 (overlap_subvar): Ditto.
13316 * print-tree.c (print_node): Print out interesting things for
13318 * tree-flow.h (struct subvar): Remove offset and size members.
13319 * tree-ssa-operands.c (get_expr_operands): Update for
13320 get_indirect_ref_operands changes.
13321 (get_indirect_ref_operands): Call add_virtual_operand instead of
13322 add_stmt_operand. Only recurse on base var if requested.
13323 (access_can_touch_variable): New function.
13324 (add_stmt_operand): Split virtual operand handling into ...
13325 (add_virtual_operand): Here. Add offset, size, and for_clobber
13326 arguments. Prune alias sets.
13327 (add_call_clobber_ops): Call add_virtual_operand.
13329 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13331 PR middle-end/26300
13332 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13334 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13335 than TREE_CODE as index into omp_clause_num_ops array.
13337 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13339 PR rtl-optimization/26184
13340 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13342 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13343 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13344 must_precede, must_follow and tobe_scheduled.
13347 * opts.c (common_handle_option): Free new_option pointer.
13348 * df-core.c (df_analyze): Free postorder pointer.
13350 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13352 * Makefile.in: Fix the examples about the use of stamps
13354 2006-02-15 Michael Matz <matz@suse.de>
13356 PR middle-end/22275
13358 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13359 influenced by maximum_field_alignment or DECL_PACKED.
13360 (update_alignment_for_field): Ditto.
13361 (place_field): Ditto.
13362 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13365 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13367 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13368 (debug_flow_info): Pass it.
13369 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13370 * bb-reorder.c (reorder_basic_blocks): Likewise.
13371 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13372 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13373 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13374 * gcse.c (gcse_main, bypass_jumps): Likewise.
13375 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13376 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13377 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13378 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13379 * rtl.h (dump_flow_info): Adjust prototype.
13380 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13381 * var-tracking.c (variable_tracking_main): Likewise.
13382 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13383 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13386 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13388 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13391 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13393 PR tree-optimization/26209
13394 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13395 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13397 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13399 2006-02-14 Roger Sayle <roger@eyesopen.com>
13401 PR middle-end/23670
13402 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13403 (X,Y) and the corresponding symmetry related transformations.
13404 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13405 (X,Y) and its symmetry related transformations.
13407 2006-02-14 Roger Sayle <roger@eyesopen.com>
13409 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13412 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13414 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13416 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13419 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13420 support COMDAT group.
13421 * configure: Regenerate.
13423 2006-02-14 Roger Sayle <roger@eyesopen.com>
13425 PR middle-end/26279
13426 PR middle-end/26280
13427 PR middle-end/26283
13428 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13430 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13432 Fix PR tree-optimization/26260
13434 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13436 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13437 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13438 * tree-ssa-structalias.c (create_variable_info_for): Use
13439 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13441 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13443 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13445 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13446 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13447 of the ending condition.
13448 * tree-ssa-loop-manip.c: Include params.h.
13449 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13450 tree_unroll_loop): New functions.
13451 * tree-pass.h (pass_loop_prefetch): Declare.
13452 * loop.c (rest_of_handle_loop_optimize): Test for
13453 -fprefetch-loop-arrays-rtl.
13454 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13455 * timevar.def (TV_TREE_PREFETCH): New timevar.
13456 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13457 pass_loop_prefetch): New.
13458 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13459 (cleanup_tree_cfg_loop): Call scev_reset.
13460 * common.opt (fprefetch-loop-arrays-rtl): Add.
13461 * tree-ssa-loop-prefetch.c: New file.
13462 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13463 (new_temp_expr_table): Initialize expr_vars.
13464 (free_temp_expr_table): Cleanup expr_vars.
13465 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13466 expressions from being merged into one.
13467 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13468 (struct tree_niter_desc): Add control, bound and cmp fields.
13469 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13471 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13472 (tree-cfgcleanup.o): Add SCEV_H dependency.
13473 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13474 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13476 2006-02-14 Richard Guenther <rguenther@suse.de>
13478 PR tree-optimization/26258
13479 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13480 in PHI argument processing.
13482 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13484 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13485 new expression in the requested machine mode.
13487 2006-02-13 Roger Sayle <roger@eyesopen.com>
13489 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13490 directly, instead let do_compare_rtx_and_jump handle this for us.
13491 * expr.c (expand_expr_real_1): Likewise.
13492 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13493 before do_jump_by_parts_greater.
13494 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13495 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13497 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13499 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13501 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13503 PR rtl-optimization/26235
13504 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13505 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13508 2006-02-13 Jeff Law <law@redhat.com>
13510 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13513 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13515 PR middle-end/26092
13516 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13517 twice if decl is a builtin. When trying again, call get_callee_fndecl
13518 first to verify it is still a builtin.
13520 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13522 * dwarf2out.c (base_type_die): Don't add AT_name here.
13523 (subrange_type_die): Don't add AT_name here.
13524 (modified_type_die): Rearrange code flow. Do add AT_name here.
13526 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13528 PR rtl-optimization/26247
13529 PR rtl-optimization/26248
13530 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13532 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13534 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13535 * config/fixtfdi.c: Likewise.
13536 * config/fixunstfdi.c: Likewise.
13537 * config/floatditf.c: Likewise.
13539 2006-02-13 Roger Sayle <roger@eyesopen.com>
13541 PR middle-end/24427
13542 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13543 into (X,C2) if C1 is a subset of the bits of C2. Transform
13544 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13546 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13548 2006-02-13 Josh Conner <jconner@apple.com>
13551 * varasm.c (function_section): Check for section name before
13552 calling select_section on targets that define
13553 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13554 unlikely_text_section instead of hot_function_section if
13555 first_function_block_is_cold.
13557 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13559 PR middle-end/25335
13560 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13562 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13564 PR rtl-optimization/26222
13565 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13566 after tree->rtl expansion.
13567 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13568 before passing it to emit_move_insn.
13570 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13572 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13574 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13575 Clarify documentation.
13576 * c-common.h (warn_write_strings): Remove.
13577 * c-common.c (warn_write_strings): Likewise.
13578 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13581 2006-02-12 Roger Sayle <roger@eyesopen.com>
13583 PR middle-end/25724
13584 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13585 (do_jump_parts_zero_rtx): New function renamed from
13586 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13587 (do_jump_parts_equality_rtx): New function split out from
13588 do_jump_parts_equality. Old implementation renamed as above.
13589 Call do_jump_parts_zero_rtx if either operand is zero.
13590 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13591 do all of the heavy lifting.
13592 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13593 calling either do_jump_by_parts_greater_rtx or
13594 do_jump_by_parts_equality_rtx.
13595 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13596 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13597 moved to do_compare_rtx_and_jump, call it directly.
13598 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13599 mode argument. Call do_compare_rtx_and_jump.
13600 (emit_case_nodes): Update calls to do_jump_if_equal.
13602 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13604 PR rtl-optimization/26225
13605 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13607 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13609 PR rtl-optimization/26232
13610 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13612 2006-02-11 Jason Merrill <jason@redhat.com>
13615 * tree-inline.c (declare_return_variable): Just don't use the
13616 modify target if it's a gimple complex reg and the return slot
13619 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13621 * doc/contrib.texi: Update my entry.
13623 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13625 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13627 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13629 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13632 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13634 * doc/invoke.texi (-floop-optimize2): Removed.
13635 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13636 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13637 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13638 * common.opt (floop-optimize2): Removed.
13639 (fmove-loop-invariants): Enabled by default.
13641 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13643 * tree-if-conv.c (combine_blocks): Free the result of
13644 get_loop_exit_edges.
13646 2006-02-10 Jeff Law <law@redhat.com>
13648 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13650 PR tree-optimization/26213
13651 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13652 loop trying to follow SSA_NAME_VALUE chains.
13654 2006-02-10 Richard Guenther <rguenther@suse.de>
13656 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13657 deal with structures that end in implicitly variable sized arrays.
13659 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13661 PR rtl-optimization/24762
13662 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13665 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13667 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13668 (struct ivopts_data): Add regs_used field.
13669 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13670 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13671 instead of loop_data->regs_used;
13672 (free_loop_data): Do not free aux fields for loops.
13673 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13674 and tree_ssa_iv_optimize_finalize.
13676 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13678 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13680 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13683 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13684 computing the effective result type.
13686 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13688 PR inline-asm/16194
13689 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13690 (tree_overlaps_hard_reg_set): Declare.
13691 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13692 type and signature to match function type expected by walk_tree.
13693 (tree_overlaps_hard_reg_set): New function.
13694 (decl_conflicts_with_clobbers_p): Rename to:
13695 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13696 Use tree_overlaps_hard_reg_set. Changed caller.
13697 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13698 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13699 * cris.c (cris_md_asm_clobbers): Likewise.
13701 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13703 * reload1.c (emit_input_reload_insns): Delete code that tries to
13704 inherit using find_equiv_reg.
13706 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13708 * c-common.h (flag_const_strings): Don't declare.
13709 * c-common.c (flag_const_strings): Remove.
13710 * c.opt (fconst_strings): Remove.
13711 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13712 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13713 (c_common_init_options): Don't set flag_const_strings.
13714 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13716 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13718 * arm.md (tlobits_cbranch): New pattern.
13719 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13720 testing a single bit.
13722 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13725 * tree-ssa-pre.c (create_component_ref_by_pieces):
13726 Handle RETURN_DECL like VAR_DECL.
13728 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13730 PR middle-end/26134
13731 * fold-const.c (fold_indirect_ref_1): Fold
13732 "*(foo *)&complexfoo" to "__real__ complexfoo"
13733 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13735 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13737 * tree-flow-inline.h (var_can_have_subvars):
13738 Volatile variables should not have subvariables.
13740 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13743 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13744 multiplying unsigned values.
13747 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13749 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13751 2006-02-08 Jason Merrill <jason@redhat.com>
13754 * tree.def: Elaborate on difference from MODIFY_EXPR.
13755 * doc/c-tree.texi (INIT_EXPR): Likewise.
13756 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13757 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13758 (gimplify_target_expr): Likewise.
13759 (gimplify_cond_expr): Remove target handling.
13760 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13761 (gimplify_expr): Clobber it here.
13762 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13763 Do return slot optimization if we have an INIT_EXPR.
13766 * tree-inline.c (declare_return_variable): Also clear
13767 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13770 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13772 PR middle-end/22439
13773 * gimplify.c (gimplify_one_sizepos): Fix typo.
13775 2006-02-08 Jeff Law <law@redhat.com>
13777 PR tree-optimization/21417
13778 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13779 across a backedge if the control statement at the end of the
13780 block is data dependent on other statements in the same block.
13781 (record_temporary_equivalences_from_stmts): Remove over-conservative
13782 test for threading across backedges.
13784 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13785 control statement, handle all three special cases in the same
13786 manner as they all have the same desired solution. No longer
13787 special case edge flag updating when the post dominator is
13790 2006-02-08 Roger Sayle <roger@eyesopen.com>
13792 * tree.def (CHAR_TYPE): Remove.
13793 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13794 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13795 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13796 (gen_string_type_die): Delete unreachable function.
13798 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13799 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13800 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13801 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13802 * builtins.c (type_to_class): Likewise.
13803 * fold-const.c (fold_convert, build_range_check,
13804 merge_ranges): Likewise.
13805 * expr.c (count_type_elements): Likewise.
13806 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13807 * stor-layout.c (layout_type): Likewise.
13808 * ipa-type-escape.c (type_to_consider): Likewise.
13809 * gimplify.c (omp_firstprivatize_type_sizes,
13810 gimplify_type_sizes): Likewise.
13811 * explow.c (promote_mode): Likewise.
13812 * tree-sra.c (is_sra_scalar_type): Likewise.
13813 * varasm.c (output_constant): Likewise.
13814 * tree-inline.c (remap_type_1): Likewise.
13815 * convert.c (convert_to_pointer, convert_to_real,
13816 convert_to_integer, convert_to_complex): Likewise.
13818 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13820 * df-scan.c (df_def_record_1): A set destination may
13821 be a parallel regardless of mode.
13823 2006-02-08 Roger Sayle <roger@eyesopen.com>
13826 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13827 * config/mips/_tilib.c: Remove.
13828 * config/fixtfdi.c: New libgcc source file.
13829 * config/fixunstfdi.c: New source file.
13830 * config/floatditf.c: New source file.
13831 * config/floatunditf.c: New souce file.
13832 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13833 files above instead of config/mips/_tilib.c.
13834 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13836 2006-02-08 Jeff Law <law@redhat.com>
13838 PR tree-optimization/26169
13839 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13842 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13844 * df.h (DF_REG_SIZE): Return the length of the initialized
13847 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13849 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13850 __muldf3): Return a correctly signed zero.
13852 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13854 * passes.c (register_one_dump_file): Accept the current properties
13855 instead of pass number. Adjust call to dump_register. Remove
13857 (register_dump_files): Now a wrapper around...
13858 (register_dump_files_1): ... this one. Do not modify the pass
13860 (next_pass_1): Cosmetic fix.
13861 (execute_todo): Keep second parameter only. Use curr_properties
13862 instead of fetching it from the pass structure. Check and set
13864 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13865 instead of fetching it from the pass structure. Fix calls to
13866 execute_todo. Update curr_properties and initialize .vcg RTL dump
13867 after running the pass. Reset last_verified.
13868 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13870 (FIRST_AUTO_NUMBERED_DUMP): New.
13871 (dump_register): Remove "num" parameter, assign it within the
13873 (get_dump_file_name): Modify template for dumps.
13874 * tree-dump.h (dump_register): Adjust prototype.
13875 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13876 (PROP_trees): Add PROP_gimple_lomp.
13877 (TODO_set_props): New.
13878 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13879 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13880 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13882 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13884 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13885 (sparc64-*-linux*): Likewise.
13886 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13887 * config/sparc/t-linux: New file.
13888 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13889 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13890 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13891 -m32 -mlong-double-128.
13893 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13894 * config/alpha/t-linux: New file.
13895 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13897 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13898 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13899 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13900 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13901 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13902 (CPP_ARCH32_SPEC): Remove.
13904 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13906 PR tree-optimization/26145
13907 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13910 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13913 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13914 >= 240000 when generating code for SOM runtime.
13915 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13916 to $$dyncall when generating code for SOM runtime..
13918 2006-02-07 Dirk Mueller <dmueller@suse.com>
13921 * doc/invoke.texi (-Wsequence-point): Update documentation
13922 that -Wsequence-point is implemented for C++ as well.
13924 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13926 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13927 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13928 (LIB_SPEC): Likewise.
13929 * doc/invoke.texi (SPARC options): Document -pthread.
13931 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13933 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13936 2006-02-07 Roger Sayle <roger@eyesopen.com>
13938 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13939 Correct comment describing BOOLEAN_TYPE.
13941 2006-02-07 Dirk Mueller <dmueller@suse.com>
13943 * c.opt: C++ frontend supports -Wdiv-by-zero.
13944 * c-opts.c (c_common_handle_option): Remove dead case.
13946 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13948 * configure.ac (TLS assembler check): Do not enable TLS by
13949 default on SPARC/Solaris before version 10.
13950 * configure: Regenerate.
13952 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13954 * doc/invoke.texi (xl-compat): Document conversion and support
13957 2006-02-07 Jeff Law <law@redhat.com>
13959 * tree-vrp.c (find_conditional_asserts): Update comments.
13960 (simplify_stmt_for_jump_threading): New.
13961 (identify_jump_threads, finalize_jump_threads): New.
13962 (vrp_finalize): Call identify_jump_threads.
13963 (execute_vrp): Call finalize_jump_threads.
13964 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13965 (vrp_element, vrp_data, vrp_element_p): Remove.
13966 (vrp_hash_elt, vrp_variables_stack): Remove.
13967 (vrp_hash, vrp_eq, record_range): Remove.
13968 (simplify_cond_and_lookup_avail_expr): Remove.
13969 (extract_range_from_cond): Remove.
13970 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13971 (simplify_stmt_for_jump_threading): New.
13972 (dom_thread_across_edge): New wrapper.
13973 (tree_ssa_dominator_optimize): No longer initialize or
13974 finalize any of the VRP datastructures. Remove iteration
13975 step and simplify as a result of removal of iteration step.
13976 (pass_dominator): Perform a cfg cleanup after DOM.
13977 (dom_opt_finalize_block): Use the new common routines
13978 for threading jumps. Simplify stack management slightly.
13979 No longer need to unwind VRP state.
13980 (record_equivalences_from_incoming_edge): No longer record
13982 (eliminate_redundant_computations): No longer call
13983 simplify_cond_and_lookup_avail_expr.
13984 * tree-flow.h (potentially_threadable_block): Prototype.
13985 (thread_across_edge): Likewise.
13986 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13987 (tree-ssa-threadedge.o): Add dependencies.
13988 * tree-ssa-threadedge.c: New file.
13989 * passes.c (init_optimization_passes): Merge PHIs before
13990 calling VRP. Run VRP again late in the SSA optimization pipeline.
13992 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13994 * df-core.c (df_set_blocks): Do not dereference function pointers.
13995 (df_finish1): Likewise.
13996 (df_hybrid_search_forward): Likewise.
13997 (df_hybrid_search_backward): Likewise.
13998 (df_iterative_dataflow): Likewise.
13999 (df_analyze_problem): Likewise.
14000 (df_compact_blocks): Likewise.
14001 (df_dump): Likewise.
14002 * df-scan.c (df_rescan_blocks): Likewise.
14003 (df_record_entry_block_defs): Likewise.
14005 * genconditions.c (write_conditions): Guard the definition of
14006 'insn_conditions' with the check on GCC version.
14007 (write_writer): Guard the traversal 'insn_conditions' with
14008 the check on GCC version.
14010 2006-02-07 Richard Guenther <rguenther@suse.de>
14014 2006-01-30 Richard Guenther <rguenther@suse.de>
14016 * gimplify.c (gimplify_target_expr): Handle easy cases
14017 without creating a temporary.
14019 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14021 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14022 use of float in probability computations. Use edge probabilities
14023 in place of statically computed probabilities.
14024 (min_spec_prob): New static variable.
14025 (schedule_insns): Initialize it.
14026 (GET_SRC_PROB): Removed.
14027 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14029 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14032 * config/ia64/unwind-ia64.c: Revert last change.
14033 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14034 (INCOMING_FRAME_SP_OFFSET): Define.
14036 2006-02-06 Roger Sayle <roger@eyesopen.com>
14038 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14040 2006-02-07 Ben Elliston <bje@au.ibm.com>
14042 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14043 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14044 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14045 (ix86_return_in_memory): Handle TDmode.
14046 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14047 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14049 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14051 * reorg.c (dbr_schedule): Use dump_file instead of file.
14053 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14056 * config/ia64/predicates.md (extr_len_operand): New predicate.
14057 * config/ia64/ia64.md (extv): Tighten constraints.
14059 (*tbit_and_2): Ditto.
14060 (*tbit_and_3): Ditto.
14061 (*tbit_or_2): Ditto.
14062 (*tbit_or_3): Ditto.
14063 (*bit_zero): Ditto.
14066 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14069 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14071 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14073 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14074 loop_optimizer_init and loop_optimizer_finalize
14075 * tree-ssa-sink.c (execute_sink_code): Ditto.
14076 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14077 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14078 tree_ssa_loop_done): Ditto.
14079 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14080 * sched-ebb.c: Include output.h.
14081 (schedule_ebbs): Do not use dump argument.
14082 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14083 * loop.c (loop_dump_stream): Removed.
14084 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14086 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14087 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14088 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14089 loop_iterations, strength_reduce, record_biv, record_giv,
14090 final_giv_value, check_final_value, check_ext_dependent_givs,
14091 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14092 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14093 dump_file instead of loop_dump_stream.
14094 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14095 argument dump_file.
14096 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14098 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14099 * haifa-sched.c: Include output.h
14100 (schedule_insns, sched_init): Do not use dump argument.
14101 * mode-switching.c (optimize_mode_switching): Ditto.
14102 * modulo-sched.c (stats_file): Removed.
14103 (print_node_sched_params): Do not call argument dump_file.
14104 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14105 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14107 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14109 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14110 rtl_loop_init, rtl_loop_done): Ditto.
14111 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14112 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14114 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14115 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14116 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14117 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14118 * emit-rtl.c (renumber_insns): Ditto.
14119 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14120 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14121 * regclass.c (regclass): Ditto.
14122 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14123 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14124 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14125 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14127 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14128 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14130 * gcse.c (gcse_file, debug_stderr): Removed.
14131 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14132 rest_of_handle_gcse): Do not use dump argument.
14133 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14134 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14135 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14136 compute_code_hoist_vbeinout, compute_code_hoist_data,
14137 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14138 compute_store_table, build_store_vectors, insert_insn_start_bb,
14139 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14140 store_motion): Use dump_file instead of gcse_file.
14141 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14142 * profile.c (profile_dump_file): Removed.
14143 (branch_prob): Use dump_file instead of profile_dump_file.
14144 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14146 * tree-ssa-copy.c (dump_copy_of): Ditto.
14147 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14148 dump file to life_analysis.
14149 * bt-load.c (branch_target_load_optimize): Ditto.
14150 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14152 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14153 regclass, dbr_schedule): Declaration changed.
14154 * sched-int.h (sched_init): Declaration changed.
14155 * tree-profile.c (tree_profile_dump_file): Removed.
14156 (tree_profile_hooks): Removed profile_dump_file hook.
14157 * rtl-profile (rtl_profile_dump_file): Removed.
14158 (rtl_profile_hooks): emoved profile_dump_file hook.
14159 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14161 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14162 * tree-cfg.c (build_tree_cfg): Ditto.
14163 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14164 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14165 Declaration changed.
14166 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14167 life_analysis and schedule_insns.
14168 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14170 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14172 * config/mips/mips.c (mips_reorg): Ditto.
14173 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14176 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14178 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14179 (s390_mangle_fundamental_type): New.
14180 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14183 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14184 (alpha_mangle_fundamental_type): New.
14185 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14188 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14190 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14192 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14193 (sparc_mangle_fundamental_type): New.
14195 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14197 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14198 (s390x-*-linux*): Likewise.
14199 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14200 * config/s390/t-linux: New file.
14202 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14204 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14205 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14207 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14209 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14210 (ANTIC_SAFE_LOADS): New macro.
14211 (find_or_generate_expression): Add prototype.
14212 (set_contains_value): Allow null set for sake of not always having
14213 to allocate ANTIC_SAFE_LOADS.
14214 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14215 Allow COMPONENT_REF too.
14216 (valid_in_set): Allow COMPONENT_REF.
14217 Check ANTIC_SAFE_LOADS too.
14218 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14219 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14221 (can_PRE_operation): Add COMPONENT_REF.
14222 (create_component_ref_by_pieces): New function.
14223 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14224 (insert_aux): Move AGGREGATE_TYPE_P check here.
14225 (compute_avail): Set bb local stmt uids.
14226 (pass_pre): Use TODO_update_ssa_only_virtuals.
14228 2006-02-06 Ben Elliston <bje@au.ibm.com>
14230 * configure.ac: Unconditionally disable decimal float by default.
14231 * configure: Regenerate.
14233 2006-02-06 Ben Elliston <bje@au.ibm.com>
14235 * read-rtl.c (read_name): Terminate reading on EOF.
14237 2006-02-06 Ben Elliston <bje@au.ibm.com>
14239 * dfp.c (decimal_real_arithmetic): Change second argument type
14240 from int to enum tree_code. Do not always return true, but now
14241 return result of any call to decimal_do helper functions.
14242 * dfp.h (decimal_real_arithmetic): Update prototype.
14244 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14246 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14248 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14251 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14254 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14256 * tree-vrp.c (cfg_loops): Removed.
14257 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14258 Use current_loops instead of cfg_loops. Pass flags to
14259 loop_optimizer_init.
14260 * cfgloopmanip.c (fix_loop_structure): Update only available
14262 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14263 loop_optimizer_init.
14264 * modulo-sched.c (build_loops_structure): Removed.
14265 (sms_schedule): Use loop_optimizer_init.
14266 * loop-init.c (loop_optimizer_init): Use flags to determine
14267 which properties of loops to prepare.
14268 (rtl_loop_init): Pass flags to loop_optimizer_init.
14269 * tree-ssa-sink.c (execute_sink_code): Ditto.
14270 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14271 * tree-ssa-pre.c (init_pre): Ditto.
14272 * cfgloop.h (LOOPS_NORMAL): New.
14273 (loop_optimizer_init): Declaration changed.
14275 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14277 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14278 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14280 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14282 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14284 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14285 * pa/t-pa64: Delete quadlib.c rule.
14286 * pa/x-ada: Revert last change.
14287 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14289 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14291 PR rtl-optimization/26087
14292 * rtlanal.c (canonicalize_condition): Do not cross basic block
14295 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14298 * config/ia64/ia64.c: Include debug.h.
14299 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14300 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14301 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14302 (process_epilogue, process_set, process_for_unwind_directive):
14303 Output unwind info only if requested. Add CFA info if requested.
14304 Add new arguments as needed. Adjust callers.
14305 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14307 (DWARF2_FRAME_INFO): Define to zero.
14308 * config/ia64/unwind-ia64.c: Remove code that compensated for
14309 the CFA offset error fixed above.
14310 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14311 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14312 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14313 -funwind-tables and -fexceptions to enable frame info.
14314 (dwarf2out_frame_init): Define initial CFA even if
14315 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14316 DWARF2_UNWIND_INFO is nonzero, not just defined.
14317 (dwarf2out_frame_finish): Output non-EH call frame info only
14318 if DWARF2_FRAME_INFO is nonzero.
14319 (convert_cfa_to_loc_list,
14320 compute_frame_pointer_to_cfa_displacement): Define even if
14321 unwind info is not supported.
14322 (gen_subprogram_die): Use the above unconditionally. Remove
14323 legacy alternate code.
14324 * toplev.c (compile_file): Compile in call to
14325 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14326 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14328 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14329 Jakub Jelinek <jakub@redhat.com>
14331 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14332 IBM extended float format long double as "g" on powerpc*-linux.
14334 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14337 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14338 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14340 2006-02-03 Jason Merrill <jason@redhat.com>
14343 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14345 PR middle-end/25977
14346 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14347 on the return slot if it's an NRV.
14349 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14351 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14352 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14353 rewrite_use): Do not handle USE_OUTER.
14354 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14355 add_iv_outer_candidates, may_replace_final_value,
14356 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14357 (find_interesting_uses_op): Functionality of
14358 find_interesting_uses_outer_or_nonlin moved here.
14359 (find_interesting_uses_outside): Use find_interesting_uses_op.
14361 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14364 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14366 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14367 Ulrich Weigand <uweigand@de.ibm.com>
14370 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14371 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14372 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14373 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14375 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14376 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14377 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14378 Define secondary reloads for TFmode moves.
14379 (constant_modes): Add TFmode.
14380 (NR_C_MODES): Set to 8.
14381 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14383 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14384 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14385 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14386 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14387 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14388 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14389 (FPR mode macro): Add TFmode.
14390 (DSF mode macro): New.
14391 (<de>, <dee> mode attributes): Removed.
14392 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14393 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14394 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14395 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14396 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14397 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14398 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14399 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14400 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14401 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14402 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14403 "*negabs<mode>2", "sqrt<mode>2"):
14404 Changed <de> to <xde>. R constraint replaced by <Rf>.
14405 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14407 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14408 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14409 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14411 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14412 "extenddftf2", "extendsftf2"): New expanders.
14413 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14414 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14415 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14416 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14418 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14419 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14420 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14421 __floatditf): Add a GCC_4.1.0 symbol version tag.
14422 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14425 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14428 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14429 Use targetm.binds_local_p instead of TREE_PUBLIC.
14431 2006-02-02 Roger Sayle <roger@eyesopen.com>
14433 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14434 on INTEGER_TYPEs to indicate that it denotes a character type.
14435 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14436 signed_char_type_node, unsigned_char_type_node and char_type_node.
14437 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14438 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14439 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14441 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14442 Daniel Berlin <dberlin@dberlin.org>
14444 * tree-tailcall.c (arg_needs_copy_p): New function.
14445 (eliminate_tail_call): Use arg_needs_copy_p.
14446 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14447 (add_virtual_phis): New function.
14449 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14451 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14452 #ignore instead of #scratch for %g7 .register directive.
14454 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14456 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14459 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14461 * flow.c (calculate_global_regs_live): Assert that there aren't any
14464 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14466 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14467 what its name says.
14468 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14469 bsi_after_labels iterator.
14470 * tree-if-conv.c (find_phi_replacement_condition,
14471 replace_phi_with_cond_modify_expr): Likewise.
14472 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14473 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14475 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14477 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14479 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14482 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14483 array after growing it.
14485 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14487 PR middle-end/24901
14488 * fold-const.c (fold_checksum_tree): Change type of buf.
14490 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14492 * reload.c (push_secondary_reload): Initialize t_icode.
14494 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14496 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14497 -msoft-float -mlong-double-128 only issue a warning, but don't
14498 swich to DFmode long double.
14500 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14502 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14503 has a constant equivalent, iterate over equivalents for arg0,
14504 calling simplify_relational_operation and if there's a result
14505 cheaper than X, apply fold_rtx and return the result.
14507 2006-02-01 Jan Hubicka <jh@suse.cz>
14509 * opts.c (no_unit_at_a_time_default): New global variable.
14510 (decode_options): Use it.
14511 * opts.h (no_unit_at_a_time_default): Declare.
14513 2006-02-01 Paul Brook <paul@codesourcery.com>
14515 * function.c (assign_parm_setup_reg): Use function argument promotion
14517 * expr.c (expand_expr_real_1): Use function argument promotion rules
14520 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14522 * gcc.c (process_command): Change j to 'unsigned int'.
14524 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14526 PR middle-end/26001
14527 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14528 Use the corrected index for the character
14529 out of the string constant.
14531 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14533 * mode-switching.c (optimize_mode_switching): Fix size
14534 allocated for bb_info[n_entities].
14536 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14538 * gcc.c (main): Correct type that is allocated for
14539 explicit_link_files.
14541 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14543 * config/s390/s390.c (init_alignment_context): Set
14544 ALIAS_SET_MEMORY_BARRIER on the MEM.
14545 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14547 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14549 PR middle-end/25933
14550 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14552 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14555 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14557 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14558 * regrename.c: Ditto.
14559 * tree-ssa-loop-im.c: Ditto.
14560 * tree-dump.c: Ditto.
14561 * tree-complex.c: Ditto.
14562 * genrecog.c: Ditto.
14563 * tree-ssa-threadupdate.c: Ditto.
14565 * java/class.c: Ditto.
14566 * java/jcf-parse.c: Ditto.
14567 * java/resource.c: Ditto.
14568 * java/except.c: Ditto.
14569 * java/jvspec.c: Ditto.
14570 * java/jcf-write.c: Ditto.
14571 * java/jcf-path.c: Ditto.
14572 * java/gjavah.c: Ditto.
14573 * java/zextract.c: Ditto.
14574 * java/jcf-io.c: Ditto.
14575 * java/jcf.h: Ditto.
14576 * java/buffer.c: Ditto.
14577 * java/lang.c: Ditto.
14578 * java/parse-scan.y: Ditto.
14579 * java/lex.c: Ditto.
14580 * java/lex.h: Ditto.
14581 * cfgloopmanip.c: Ditto.
14582 * postreload-gcse.c: Ditto.
14583 * tree-ssa-loop-manip.c: Ditto.
14584 * postreload.c: Ditto.
14585 * tree-ssa-loop-ch.c: Ditto.
14588 * cppspec.c: Ditto.
14589 * diagnostic.c: Ditto.
14591 * genoutput.c: Ditto.
14593 * cfghooks.c: Ditto.
14594 * cfgloopanal.c: Ditto.
14595 * objc/objc-act.c: Ditto.
14597 * genextract.c: Ditto.
14598 * genautomata.c: Ditto.
14599 * pretty-print.c: Ditto.
14600 * genemit.c: Ditto.
14601 * cgraphunit.c: Ditto.
14603 * df-scan.c: Ditto.
14604 * haifa-sched.c: Ditto.
14605 * dominance.c: Ditto.
14607 * tree-ssa-loop-ivopts.c: Ditto.
14608 * df-core.c: Ditto.
14609 * mode-switching.c: Ditto.
14610 * modulo-sched.c: Ditto.
14612 * ipa-pure-const.c: Ditto.
14614 * fix-header.c: Ditto.
14616 * tree-stdarg.c: Ditto.
14617 * ipa-utils.c: Ditto.
14618 * loop-init.c: Ditto.
14619 * ipa-inline.c: Ditto.
14620 * cfganal.c: Ditto.
14622 * alloc-pool.c: Ditto.
14623 * dwarf2out.c: Ditto.
14625 * genattrtab.c: Ditto.
14626 * tree-ssa-loop-ivcanon.c: Ditto.
14627 * predict.c: Ditto.
14628 * timevar.c: Ditto.
14630 * fortran/gfortranspec.c: Ditto.
14631 * regmove.c: Ditto.
14632 * local-alloc.c: Ditto.
14633 * langhooks.c: Ditto.
14634 * function.c: Ditto.
14635 * tree-vectorizer.c: Ditto.
14637 * ipa-type-escape.c: Ditto.
14639 * tree-if-conv.c: Ditto.
14640 * profile.c: Ditto.
14642 * tree-data-ref.c: Ditto.
14643 * loop-unroll.c: Ditto.
14644 * treelang/treetree.c: Ditto.
14646 * bt-load.c: Ditto.
14647 * ggc-common.c: Ditto.
14649 * coverage.c: Ditto.
14651 * tree-cfgcleanup.c: Ditto.
14652 * tree-ssa-pre.c: Ditto.
14653 * cfgcleanup.c: Ditto.
14654 * loop-invariant.c: Ditto.
14655 * loop-iv.c: Ditto.
14656 * ipa-prop.c: Ditto.
14657 * print-tree.c: Ditto.
14658 * conflict.c: Ditto.
14659 * ggc-page.c: Ditto.
14660 * sched-deps.c: Ditto.
14661 * regclass.c: Ditto.
14662 * tree-object-size.c: Ditto.
14663 * combine.c: Ditto.
14664 * bb-reorder.c: Ditto.
14665 * resource.c: Ditto.
14666 * var-tracking.c: Ditto.
14667 * cfgloop.c: Ditto.
14668 * df-problems.c: Ditto.
14669 * reg-stack.c: Ditto.
14671 * gccspec.c: Ditto.
14672 * sched-rgn.c: Ditto.
14673 * tree-ssa-structalias.c: Ditto.
14674 * tree-ssa-reassoc.c: Ditto.
14675 * config/darwin-c.c: Ditto.
14676 * config/darwin.c: Ditto.
14677 * config/arm/arm.c: Ditto.
14679 * collect2.c: Ditto.
14680 * reload1.c: Ditto.
14682 2006-01-31 Nicolas Pitre <nico@cam.org>
14684 * arm.md (smaxsi3): Make aware of smax_m1.
14687 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14689 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14691 2006-01-31 Richard Guenther <rguenther@suse.de>
14693 * doc/invoke.texi (-msselibm): Document.
14694 * target.h (expand_library_builtin): New target hook.
14695 * builtins.c (expand_builtin): Use expand_library_builtin.
14696 (default_expand_library_builtin): New function.
14697 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14698 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14699 (link_gcc_math_spec): Declare.
14700 (static_specs): Add link_gcc_math_spec.
14701 * expr.h (default_expand_library_builtin): Declare.
14702 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14703 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14704 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14705 * config/i386/i386.opt (msselibm): New target option.
14706 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14707 (ix86_init_sse_abi_builtins): New function.
14708 (ix86_expand_library_builtin): Likewise.
14709 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14710 (override_options): Handle error conditions wrt -msselibm.
14711 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14712 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14713 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14716 2006-01-31 Richard Guenther <rguenther@suse.de>
14717 Paolo Bonzini <bonzini@gnu.org>
14719 * doc/install.texi (--disable-libgcc-math): Document.
14721 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14723 * expr.h (expand_normal): new inline function.
14724 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14725 * dojump.c: use it.
14726 * dwarf2out.c: use it.
14729 * expmed.c: use it.
14730 * except.c: use it.
14731 * config/sparc/sparc.c: use it.
14732 * config/i386/i386.c: use it.
14733 * config/rs6000/rs6000.c: use it.
14734 * config/arm/arm.c: use it.
14735 * config/mips/mips.c: use it.
14736 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14738 2006-01-30 Roger Sayle <roger@eyesopen.com>
14740 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14741 argv to the appropriate type.
14743 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14745 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14748 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14751 * config/s390/s390.c (struct machine_function): New flag
14752 decomposed_literal_pool_addresses_ok_p.
14753 (s390_reorg): Set it before final stage of literal pool transforms.
14754 (s390_decompose_address): Only accept displacements of the form
14755 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14757 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14759 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14760 the comparison routine return.
14762 2006-01-30 Michael Matz <matz@suse.de>
14764 * global.c (find_reg): Only evict for global regs.
14765 Take n_refs into account and dump more info.
14767 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14770 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14771 (pragma_trap, pragma_nosave_low_regs): Likewise.
14772 (current_function_anonymous_args): Likewise.
14773 (sh_deferred_function_attributes): New variable.
14774 (sh_deferred_function_attributes_tail): Likewise.
14775 (print_operand): For '@', look up trap_exit attribute.
14776 (calc_live_regs): Look up trapa_handler attribute. For trapa
14777 handlers, save/restore fpscr, but don't do any other
14778 interrupt-specific saves.
14779 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14780 Fix check for partially saved registers to check for SHmedia.
14781 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14782 (sh_output_function_epilogue): Don't clear any of the removed
14784 (sh_insert_attributes): Don't check pragma_interrupt.
14785 Insert deferred attributes. Check that interrupt attribute is
14786 present for other attributes that require its presence.
14787 (sh_attribute_table): Add new attributes trapa_handler and
14789 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14790 Don't check for pragma_interrupt. Don't store argument.
14791 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14792 (sh_deferred_function_attributes): Declare.
14793 (sh_deferred_function_attributes_tail): Likewise.
14794 * sh.md (sp_switch_1): Add operand. Change generator caller.
14795 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14796 (*return_i): Don't use when trap_exit attribute is in effect.
14797 (*return_trapa): New insn pattern.
14798 * sh-c.c: New file.
14799 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14800 setting c_target_objs and cxx_target_objs.
14801 * t-sh: Add rule for sh-c.o.
14803 2006-01-30 Richard Guenther <rguenther@suse.de>
14806 * gimplify.c (gimplify_target_expr): Handle easy cases
14807 without creating a temporary.
14809 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14811 * vec.h (safe_grow): Remove duplicated line.
14813 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14816 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14817 (expand_omp): ... here.
14818 (expand_omp_parallel): Only remove barriers for combined
14819 parallel+workshare constructs.
14821 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14825 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14826 * tree.c (build_qualified_type): Chain the new type to the original
14827 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14828 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14829 (build_pointer_type_for_mode): Only return unqualified types.
14830 (build_reference_type_for_mode): Likewise.
14832 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14834 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14835 * Makefile.in (CXX_COMPAT_WARN): Define.
14836 * configure: Regenerate.
14838 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14841 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14844 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14846 * toplev.c: Fix thinko.
14848 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14849 Marcin Dalecki <martin@dalecki.de>
14851 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14852 (push_srcloc): Use XNEW.
14853 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14855 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14857 * df-core.c (df_set_blocks): Deleted all variable.
14859 2006-01-28 Ian Lance Taylor <ian@airs.com>
14861 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14862 cgraph_output_pending_asms.
14864 2006-01-28 Zack Weinberg <zackw@panix.com>
14866 * c.opt: Add -W(no-)overlength-strings.
14867 * doc/invoke.texi: Document it.
14868 * c-opts.c (c_common_handle_option): -pedantic implies
14869 -Woverlength-strings, if not explicitly disabled already.
14870 (c_common_post_options): -Woverlength-strings defaults to off, and
14871 is always off for C++.
14872 * c-common.c (fix_string_type): Issue warning about strings longer
14873 than is portable only if warn_overlength_strings. Rearrange code
14874 a little for clarity.
14875 * configure.in: Check for -Wno-overlength-strings as well before
14876 enabling -pedantic in stage 1.
14877 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14878 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14880 * genconditions.c (write_header, write_one_condition)
14881 (write_conditions, write_writer): Consolidate very long strings
14882 that were broken up to fit in C89 portable limit. Don't use
14883 printf when fputs will do.
14885 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14887 * combine.c (simplify_comparison <AND>): Check
14888 TRULY_NOOP_TRUNCATION before start using a subreg.
14890 * config/mips/mips.md (*branch_zero<mode>,
14891 *branch_zero<mode>_inverted, *branch_equality<mode>,
14892 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14893 Remove mode check from comparisons.
14895 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14897 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14899 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14901 * expmed.c (const_mult_add_overflow_p): Remove.
14902 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14904 * recog.c (validate_replace_rtx_subexp): Remove.
14905 * recog.h: Remove the prototype for
14906 validate_replace_rtx_subexp.
14908 * integrate.h: Remove the prototype for
14909 copy_decl_for_inlining.
14910 * rtl.h: Remove the prototype for mark_constant_function.
14911 * tree-vectorizer.h: Remove the prototype for
14912 vect_strip_conversion.
14914 * modulo-sched.c (create_partial_schedule,
14915 free_partial_schedule, reset_partial_schedule): Make them
14918 * hooks.c (hook_bool_rtx_int_false): Remove.
14919 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14921 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14923 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14924 and -mlong-double-128 are incompatible.
14925 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14926 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14927 (TARGET_LIBGCC2_CFLAGS): Define.
14928 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14929 (TARGET_LIBGCC2_CFLAGS): Same.
14930 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14932 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14935 * c-typeck.c (build_binary_op): Perform implicit casts of
14936 operands before shortening them.
14938 * cfgloopmanip.c (split_loop_bb): Remove.
14939 * cfgloop.h: Remove the prototype for split_loop_bb.
14941 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14942 * cfgloop.h: Remove the prototype for
14943 flow_loop_outside_edge_p.
14945 * emit-rtl.c (init_virtual_regs): Make it static.
14946 * function.h: Remove the prototype for init_virtual_regs.
14948 * recog.c (peephole2_optimize): Make it static.
14949 * recog.h: Remove the prototype for peephole2_optimize.
14951 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14953 * df-scan.c (df_record_entry_block_defs): Check if
14954 INCOMING_RETURN_ADDR_RTX is defined.
14956 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14957 Kenneth Zadeck <zadeck@naturalbridge.com>
14959 PR rtl-optimization/24762
14960 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14961 * targhooks.c (hook_void_bitmap): New hook prototype.
14962 * targhoohs.h (hook_void_bitmap): Ditto.
14963 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14964 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14965 * target.h (live_on_entry): New function pointer.
14966 * df-scan.c (df_all_hard_regs): Removed.
14967 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14968 (df_scan_free_internal): Added df->entry_block_defs.
14969 (df_scan_alloc): Ditto.
14970 (df_scan_dump): Ditto.
14971 (df_uses_record): Plumbed flag field properly thru calls.
14972 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14973 This part fixes PR24762.
14974 (df_bb_refs_record): Added code to make the frame and arg
14975 pointers live in EH blocks.
14976 (df_refs_record): Added call to df_record_entry_block_defs.
14977 (df_record_entry_block_defs): New function.
14978 * df-core.c: Added comments to describe new artifical defs.
14979 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14980 (entry_block_defs): New field in struct df.
14981 (df_all_hard_regs): Deleted.
14982 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14983 * df-problems.c (df_ru_bb_local_compute_process_def):
14984 Added code to handle artifical defs in the entry to a function.
14985 (df_ru_bb_local_compute): Ditto.
14986 (df_rd_bb_local_compute_process_def): Ditto.
14987 (df_rd_bb_local_compute): Ditto.
14988 (df_lr_bb_local_compute): Ditto.
14989 (df_ur_bb_local_compute): Ditto.
14990 (df_urec_bb_local_compute): Ditto.
14991 (df_chain_create_bb): Ditto.
14992 (df_ur_local_finalize): Removed entry.
14993 (df_urec_init): Ditto.
14994 (df_urec_local_finalize): Ditto.
14995 (df_ri_bb_compute): Added detection of last use of pseudos.
14996 * Makefile.in (df-scan.o): Updated dependencies.
14997 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14998 * config/mips/mips.c (mips_set_live_on_entry): Added.
14999 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15001 * dce.c (marked_insn_p): Added code to handle artifical defs.
15003 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15005 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15007 (_mm_cvtsi128_si64): Likewise.
15008 (_mm_cvtsd_si64): Likewise.
15009 (_mm_cvttsd_si64): Likewise.
15010 (_mm_cvtsi64_sd): Likewise.
15011 (_mm_cvtsi64_si128): Likewise.
15012 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15013 (_mm_cvtsi64_m64): Likewise.
15014 (_m_to_int64): Likewise.
15015 (_mm_cvtm64_si64): Likewise.
15016 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15017 (_mm_cvttss_si64): Likewise.
15018 (_mm_cvtsi64_ss): Likewise.
15019 (_mm_cvtss_f32): Likewise.
15021 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15023 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15024 for pragma redefine_extname.
15026 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15029 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15030 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15031 -mno-minimal-toc to previous content.
15032 (bispecs): Remove goal.
15033 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15034 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15035 compatibility aliases on powerpc-*-*gnu*.
15036 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15037 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15038 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15039 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15040 (ldblspecs): New goal.
15041 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15042 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15044 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15045 L_sf_to_tf or L_df_to_tf is defined.
15047 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15048 Alan Modra <amodra@bigpond.net.au>
15051 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15052 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15053 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15054 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15055 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15056 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15057 (rs6000_override_options): Initialize rs6000_ieeequad.
15058 Initialize TFmode format to ibm_extended_format if not
15060 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15062 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15063 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15064 (function_arg_advance): IBM long double passed in two FPRs, not
15066 (function_arg): IBM long double passed in FPRs.
15067 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15068 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15069 Only multireg GPR aligned.
15070 (rs6000_init_libfuncs): Enable IBM long double functions if not
15072 (rs6000_generate_compare): Use IBM long double compare if not
15074 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15075 (TARGET_IEEEQUAD): Define.
15076 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15077 not TARGET_IEEEQUAD.
15078 * config/rs6000/rs6000.md: Enable TFmode patterns if
15080 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15081 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15082 and -mlong-double-128 are incompatible.
15083 * doc/invoke.texi (-mabi): Collect options together. Add
15084 ibmlongdouble and ieeelongdouble.
15086 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15088 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15090 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15091 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15092 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15093 * rtl.h (rtunion_def): Remove rt_ptr.
15095 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15096 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15097 * config/i386/winnt.c (i386_pe_mark_dllexport)
15098 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15100 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15102 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15104 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15108 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15109 pthread_key_delete. From John David Anglin. gthrw-ify
15110 pthread_getunique_np only if it it's not a macro. Delete
15112 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15113 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15114 __gthread_objc_condition_signal, __gthread_key_delete): Add
15115 "__attribute__ ((__unused__))" to unused arguments.
15116 (__gthread_recursive_mutex_init_function): Add missing return.
15117 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15118 gthr-posix95.h: Use macro-based approach for name redirection
15119 on targets missing weakref.
15121 2006-01-26 Zack Weinberg <zackw@panix.com>
15123 * genconditions.c (write_header): In generated code, #ifdef out
15124 all includes and fake declarations, except includes of bconfig.h
15125 and system.h, unless GCC_VERSION >= 3001. Do not include
15126 gensupport.h in any case.
15127 (write_conditions): Generate a definition of struct c_test. Add
15128 a comment to the generated #endif.
15129 (write_one_condition): Escape backslashes in string too.
15130 (write_writer): Generated code must escape backslashes and quote
15131 marks (but not newlines) in the strings it writes.
15132 * Makefile.in (build/gencondmd.o): Update dependencies.
15134 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15137 * Makefile.in (insn-automata.o): Add header file dependencies.
15138 * genautomata.c: Add includes.
15140 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15143 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15145 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15147 * configure.ac: Expect target tools paths to be passed from the toplevel
15148 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15150 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15152 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15155 * c.opt (Wpointer-sign): Init to -1.
15156 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15157 OPT_pedantic, to 0 otherwise.
15158 * doc/invoke.texi: Update.
15160 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15162 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15163 constants provided by 80387 instructions in the destination mode.
15165 2006-01-26 Richard Guenther <rguenther@suse.de>
15166 Andrew Pinski <pinskia@physics.uc.edu>
15169 partial PR tree-opt/17064
15170 * tree-ssa-structalias.c (intra_create_variable_infos):
15171 Create heap variables for incoming parameters if
15172 flag_argument_noalias > 1.
15173 (find_what_p_points_to): Look through default defs of
15176 2006-01-26 Jeff Law <law@redhat.com>
15179 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15180 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15181 within the VR_RANGE, use the VR_RANGE as the result, not the
15183 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15184 bounds for the type.
15186 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15188 * tree-ssa-alias.c (maybe_create_global_var): Change
15189 subvar walking to an assertion that we don't have subvar'd variables.
15191 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15194 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15195 Use a new variable, inner. PARM_DECLs are always non-weak.
15197 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15199 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15200 --disable-checking.
15202 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15204 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15206 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15208 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15209 (smax_insn, smin_insn, smax_0, smin_0): New.
15211 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15214 * config/cris/cris.c (cris_order_for_addsi3): New function.
15215 * config/cris/cris-protos.h: Prototype it.
15216 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15217 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15218 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15219 (split for "op.S1 [rx=rx+i],ry (swapped)")
15220 (split for "op(s|u).S1 [rx=rx+i],ry")
15221 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15222 Apply cris_order_for_addsi3 when generating addsi3 insns.
15224 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15226 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15227 (TREE_BLOCK): Add call to EXPR_CHECK.
15229 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15232 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15233 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15234 (dump_omp_clauses): ... here.
15235 (dump_generic_node): Handle OMP_CLAUSE.
15236 * tree.c (omp_clause_num_ops): New.
15237 (omp_clause_code_name): New.
15238 (tree_code_size): Handle OMP_CLAUSE.
15239 (tree_size): Likewise.
15240 (make_node): Document handling of OMP_CLAUSE.
15241 (tree_node_structure): Handle OMP_CLAUSE.
15242 (omp_clause_check_failed): New.
15243 (omp_clause_range_check_failed): New.
15244 (omp_clause_operand_check_failed): New.
15245 (build_omp_clause): New.
15246 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15247 * tree.h (enum omp_clause_code): Declare.
15248 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15249 (OMP_CLAUSE_RANGE_CHECK): Define.
15250 (OMP_CLAUSE_ELT_CHECK): Define.
15251 (omp_clause_check_failed): Declare.
15252 (omp_clause_operand_check_failed): Declare.
15253 (omp_clause_range_check_failed): Declare.
15254 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15255 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15256 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15257 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15258 (OMP_CLAUSE_IF_EXPR): Likewise.
15259 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15260 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15261 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15262 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15263 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15264 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15265 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15266 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15267 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15268 (OMP_CLAUSE_CODE): Define.
15269 (OMP_CLAUSE_SET_CODE): Define.
15270 (OMP_CLAUSE_CODE): Define.
15271 (OMP_CLAUSE_OPERAND): Define.
15272 (struct tree_omp_clause): Declare.
15273 (union tree_node): Add field 'omp_clause'.
15274 * treestruct.def (TS_OMP_CLAUSE): Define.
15275 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15276 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15277 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15278 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15279 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15280 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15281 (OMP_CLAUSE): Define.
15282 * print-tree.c (print_node): Handle OMP_CLAUSE.
15283 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15284 * c-typeck.c: Likewise.
15285 * gimplify.c: Likewise.
15286 * c-omp.c: Likewise.
15287 * tree-nested.c: Likewise.
15288 * tree-inline.c: Likewise.
15289 * c-parser.c: Likewise.
15290 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15293 2006-01-25 Roger Sayle <roger@eyesopen.com>
15295 PR rtl-optimization/25703
15296 * combine.c (try_combine): Handle zero_extract and strict_low_part
15297 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15299 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15301 * global.c: Fix comment typos.
15303 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15306 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15307 Use output_addr_const instead of assemble_name.
15309 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15311 * Makefile.in (sched-vis.o): Update dependencies.
15312 * haifa-sched.c (sched_finish): Clear current_sched_info.
15313 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15314 (dump_flow_info): Call it.
15315 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15317 * basic-block.h (dump_bb_info): Declare.
15318 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15319 option, and apply options only for dump files whose TDF_RTL,
15320 TDF_TREE, or TDF_IPA bits match.
15321 * rtl.h: Declare new functions exported from sched-vis.c.
15322 * sched-vis.c: Enable also if scheduling is not used.
15323 (print_value): Print the mode of registers if not inside scheduling.
15324 (print_insn): Make it work outside the scheduler. Beautify the output
15326 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15328 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15330 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15331 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15332 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15333 depending on the value of CONSTANT_POOL_ADDRESS_P.
15334 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15336 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15337 rather than SYMBOL_REF_DECL.
15338 (rtx_constant_pool): Remove const_rtx_sym_htab.
15339 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15340 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15341 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15342 Remove handling of const_rtx_sym_htab.
15343 (find_pool_constant): Delete.
15344 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15345 rather than find_pool_constant.
15346 (get_pool_constant_for_function): Delete.
15347 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15348 find_pool_constant.
15349 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15350 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15351 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15352 (SYMBOL_REF_CONSTANT): New macro.
15353 (get_pool_constant_for_function): Delete.
15354 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15355 rather than SYMBOL_REF_DECL.
15356 (i386_pe_mark_dllimport): Likewise.
15357 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15358 rather than SYMBOL_REF_DECL.
15359 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15360 (machopic_indirect_call_target): Likewise.
15362 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15364 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15366 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15368 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15370 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15372 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15374 2006-01-24 David Daney <ddaney@avtrex.com>
15377 * configure.ac (enable_tls): New enable option.
15378 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15379 * configure: Regenerate.
15380 * doc/install.texi (--enable-tls): Document new option.
15381 (--disable-tls): Ditto.
15383 2006-01-24 Richard Henderson <rth@redehat.com>
15385 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15386 * alias.c (true_dependence): Respect it.
15387 (canon_true_dependence, write_dependence_p): Likewise.
15388 * builtins.c (get_builtin_sync_mem): Set it.
15390 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15392 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15395 2006-01-24 DJ Delorie <dj@redhat.com>
15397 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15398 for storing constants in single-bit bitfields.
15400 2006-01-25 Ben Elliston <bje@au.ibm.com>
15402 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15404 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15407 * tree-ssa-pre.c (phi_translate): Return NULL
15408 for AGGREGATE_TYPE's.
15410 2006-01-24 Zack Weinberg <zackw@panix.com>
15412 * genautomata.c (process_state_for_insn_equiv_partition):
15413 Use xcalloc for insn_arcs_array.
15414 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15415 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15417 2006-01-24 Richard Henderson <rth@redhat.com>
15419 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15420 update all callers.
15422 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15424 PR rtl-optimization/25890
15425 PR rtl-optimization/25905
15426 * combine.c (expand_compound_operation, expand_field_assignment):
15427 Fail if the bitfield's final position is out of bounds.
15429 2006-01-24 Ian Lance Taylor <ian@airs.com>
15431 PR middle-end/25930
15432 * cgraphunit.c (cgraph_output_in_order): Don't clear
15433 cgraph_asm_nodes until after asm strings have been output.
15435 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15437 * fix-header.c (read_scan_file): Add new parameter imultilib when
15438 calling register_include_chains.
15440 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15442 * omp-low.c: Update documentation.
15444 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15445 Daniel Berlin <dberlin@dberlin.org>
15449 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15450 return from the function.
15452 2006-01-22 Zack Weinberg <zackw@panix.com>
15454 * rtl.def (match_code): Add second argument.
15455 * genpreds.c (write_extract_subexp): New function.
15456 (write_match_code): Add path argument. Use write_extract_subexp.
15457 (write_predicate_expr): Pass path to write_match_code.
15458 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15459 not perform a mode test.
15460 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15461 a subexpression does not constrain the top-level code set.
15462 * read-rtl.c (read_rtx_variadic): New function.
15463 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15464 * doc/md.texi: Document new notation.
15465 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15466 (cmpsi_operand): ... here, using new notation.
15468 2006-01-22 Zack Weinberg <zackw@panix.com>
15470 * varray.c: Remove GENERATOR_FILE #ifdefs.
15472 2006-01-22 Zack Weinberg <zackw@panix.com>
15474 * genautomata.c (output_reserved_units_table): Emit nothing if
15475 description->query_units_num is zero. Remove extra blank line.
15476 (output_cpu_unit_reservation_p): Short circuit
15477 if description->query_units_num is zero.
15479 2006-01-22 Zack Weinberg <zackw@panix.com>
15481 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15482 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15483 nor any of the random handful of variables that used to be necessary
15484 when this program was linked with rtlanal.o. Prune set of forward
15485 function declarations.
15486 (struct attr_desc): Remove static_p field.
15487 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15488 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15489 (attr_string): Do not read the character one past the length of
15491 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15492 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15493 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15494 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15495 (make_automaton_attrs): New.
15496 (main): Do not call into genautomata. Call local gen_bypass
15497 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15498 Remove special case for insn_alts.
15499 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15500 varray.h (leftover from previous change). Prune set of forward
15501 function declarations. Remove state_alts fields from all
15502 structures. Remove state_alts_table from struct automaton.
15503 Make everything except main static. Do not maintain num_dfa_decls.
15504 Do not maintain state_alts fields of various structures.
15505 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15506 (add_arc): Remove state_alts argument. All callers updated.
15507 (output_reserved_units_table): Emit #ifdef here...
15508 (output_tables): ...not here. Don't generate state_alts tables.
15509 (expand_automata): Don't generate attributes.
15510 (write_automata): Don't generate state_alts functions.
15511 (main): New function.
15512 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15513 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15514 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15515 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15516 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15517 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15518 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15519 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15521 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15522 * genattrtab.h: Delete file.
15523 * Makefile.in (OBJS-common): Add insn-automata.o.
15524 (insn-automata.o): New rule.
15525 (simple_generated_c): Add insn-automata.c.
15526 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15527 (genprogmd): Add automata.
15528 (build/genattrtab): Needs no extra objects nor libraries.
15529 (build/genautomata): Needs build/vec.o and -lm.
15531 2006-01-22 Zack Weinberg <zackw@panix.com>
15533 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15534 (output_dfa_max_issue_rate, locked_states_num): Delete.
15535 (struct automaton): Add locked_states field.
15536 (output_dead_lock_vect): Save number of locked states in
15537 automaton->locked_states. If it is zero, don't print anything.
15538 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15539 (output_internal_dead_lock_func): Only test the dead_lock_vect
15540 for automata that have locked states.
15541 (output_statistics): Always print the number of locked states for
15542 each automaton. Calculate total number of locked states here.
15543 (write_automata): Don't call output_dfa_max_issue_rate.
15544 * genattrtab.c: Define length_unit_log as a const variable.
15545 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15546 max_insn_queue_index const.
15547 * final.c (length_unit_log): Declare const.
15548 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15550 2006-01-22 Zack Weinberg <zackw@panix.com>
15552 * genautomata.c: Include vec.h, not varray.h.
15553 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15554 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15555 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15556 VEC_* macros operating on appropriately typed vectors, or to
15557 malloced arrays when the size is known in advance. Const-ify
15558 many char* variables and function arguments. No functional changes.
15559 * Makefile.in (build/varray.o): Delete rule.
15560 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15561 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15563 2006-01-22 Zack Weinberg <zackw@panix.com>
15565 * gensupport.c: Define get_insn_name and record_insn_name here.
15566 (read_md_rtx): Call record_insn_name as appropriate.
15567 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15568 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15569 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15571 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15572 (BUILD_VARRAY): Delete.
15573 (genprognormal): Rename genprogmd. Fold in all programs from
15574 genprognoprint; also attrtab.
15575 (build/genattrtab): Just mention genautomata.o and varray.o.
15576 Reorganize a bit, add comments to make the categories clearer.
15578 2006-01-22 Zack Weinberg <zackw@panix.com>
15580 * genconditions.c (condition_table, add_condition): Delete.
15581 (write_conditions): Don't emit n_insn_conditions nor
15582 insn_elision_unavailable. Issue the gcc version #ifdef here,
15583 inside the table, with no #else clause ...
15584 (write_header): ...not here.
15585 (write_writer): New function.
15586 (main): Don't initialize condition_table. Use add_c_test.
15588 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15589 files on the command line.
15590 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15591 Return -1 if there is no entry in the table, don't abort.
15592 (add_c_test, traverse_c_tests): New functions.
15593 * gensupport.h (insn_elision_unavailable, insn_conditions)
15594 (n_insn_conditions): Delete declarations.
15595 (add_c_test, traverse_c_tests): Declare.
15596 * read-rtl.c: Include gensupport.h.
15597 (read_conditions): New function.
15598 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15599 (read_rtx_1): If we get EOF when we were looking for an initial
15600 open paren, return 0. Call read_conditions when appropriate.
15601 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15602 dummy-conditions.o. Eliminate references to insn-conditions.o,
15603 or change them to build/gencondmd.o, as appropriate. Remove
15604 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15605 from $(simple_generated_c). For all files remaining in those
15606 two lists, add insn-conditions.md to the generator command line.
15607 Give insn-constants.h/s-constants their own rules. Add rules
15608 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15609 (build/read-rtl.o): Depend on gensupport.h.
15610 (genprognormal): Include preds.
15611 (genprogearly): Rename genprognoprint; only difference is now that
15612 they don't link with $(BUILD_PRINT).
15613 * dummy-conditions.c: Delete.
15615 2006-01-22 Zack Weinberg <zackw@panix.com>
15617 * genextract.c: Don't include insn-config.h. Do include vec.h.
15618 Declare vectors of int, char, and locstr.
15619 (locstr): New typedef.
15620 (struct extraction): Make all array fields into bare pointers.
15621 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15622 (insn_code_number): Delete.
15623 (accum_extract): New struct.
15624 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15625 (gen_insn): Take insn_code_number as an argument. Use an
15626 accum_extract structure instead of loading data directly into
15627 a struct extraction, and having to know how big it might get.
15628 (walk_rtx): Operate entirely on an accum_extract structure.
15629 (print_path): Avoid unnecessary use of printf.
15630 (print_header): New function, split out of main. Distinguish
15631 more carefully between an unrecognizable insn and an insn that
15632 has the code number of a define_expand.
15633 (main): Pass insn_code_number to gen_insn. Call print_header
15634 only after parsing. Avoid unnecessary use of printf.
15635 * Makefile.in (build/vec.o): New rule.
15636 (build/genextract): Depend on build/vec.o.
15637 (build/genextract.o): Don't depend on insn-config.h.
15639 2006-01-22 Zack Weinberg <zackw@panix.com>
15641 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15642 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15643 practical. Eliminate per-generator-program link rules.
15645 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15647 PR middle-end/24437
15648 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15649 with a call expr to ...
15650 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15652 2006-01-23 Richard Guenther <rguenther@suse.de>
15654 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15655 before make_edge with conditional EDGE_TRUE_VALUE.
15657 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15658 Jan Hubicka <jh@suse.cz>
15659 Richard Guenther <rguenther@suse.de>
15661 PR rtl-optimization/25654
15662 * cfgexpand.c (aggregate_contains_union_type): New function.
15663 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15664 for structure variables that contain a union type.
15666 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15668 * gengtype.c (new_structure): Return the structure.
15669 (create_option): Add an extra "next" argument.
15670 (create_field): New function.
15671 (adjust_field_rtx_def): Use create_option and create_field.
15672 Remove a now-unnecessary call to find_structure.
15673 (adjust_field_tree_def): Likewise.
15674 (note_yacc_type): Remove an unnecessary call to find_structure.
15675 * gengtype.h (new_structure): Return the structure.
15676 (create_option): Add an extra argument.
15677 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15678 (option): Adjust calls to create_option.
15680 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15682 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15684 2006-01-22 Paul Brook <paul@codesourcery.com>
15685 Peter Barada <peter@the-baradas.com>
15687 * config/m68k/m68k.md: Add Coldfire FPU support.
15688 Define FP mode macro and associated attributes.
15689 Use it for float mode patterns.
15690 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15691 (LIBCALL_VALUE): Use m68k_libcall_value.
15692 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15693 (m68k_function_value): Ditto.
15694 (emit_move_sequence): Ditto.
15695 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15696 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15697 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15698 (MULTILIB_EXCEPTIONS): Ditto.
15699 * config/m68k/m68k.opt: Add mcfv4e.
15700 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15701 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15702 (m68k_output_function_prologue): Save ColdFire FPU registers.
15703 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15704 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15705 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15706 ColdFire FPU registers.
15707 (m68k_libcall_value, m68k_function_value): New functions.
15708 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15709 (LIBCALL_VALUE): Use m68k_libcall_value.
15710 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15711 (MASK_COLDFIRE): Add MASK_CFV4E.
15712 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15713 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15714 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15715 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15716 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15717 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15718 * doc/invoke.tex: Document -mcfv4e on m68k.
15720 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15722 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15725 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15728 * c-opts.c (c_common_handle_option): Don't include
15729 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15730 * doc/invoke.texi (C++ Dialect Options): Document that
15731 -Wnon-virtual-dtor is no longer included in -Wall.
15733 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15735 * gcov.c (print_version), gcov-dump.c (print_version),
15736 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15739 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15741 * df-scan.c (problem_SCAN): Added NULL reset function.
15742 (df_scan_reset_blocks): Added code to call reset block function
15743 (df_bb_refs_delete) Fixed comment.
15744 (df_insn_refs_delete): Made tolerant of deleting non existent info
15745 for dataflow problems that need to be reset.
15746 * df-core.c (df_set_blocks): Ditto.
15747 * df.h (struct df_problem): Added reset_fun.
15748 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15749 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15750 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15751 functions to clear out all references to def-use or use-def chains.
15753 2006-01-21 Ben Elliston <bje@au.ibm.com>
15755 * varasm.c (assemble_real): Initialise data array.
15757 2006-01-20 Paul Brook <paul@codesourcery.com>
15759 Merge from csl-arm-branch.
15760 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15761 * config/arm/arm.md (movdi): Force operands[1] to a register
15762 if we have a non-register source.
15763 (*arm_movdi, *movdf_soft_insn): Require that one of the
15764 operands be a register.
15765 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15766 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15768 2006-01-20 DJ Delorie <dj@redhat.com>
15770 * varasm.c (initializer_constant_valid_p): Allow pointers
15771 initialized from integer constants of lesser precision.
15772 (output_constant): Allow non-int-sized pointer modes to be
15773 initialized from integer constants.
15775 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15778 * cppdefault.h (struct default_include): Add multilib flag.
15779 * cppdefault.c (cpp_include_defaults): Set it.
15780 * c.opt (-imultilib): New option.
15781 * c-opts.c (imultilib): New.
15782 (c_common_handle_option): Handle -imultilib.
15783 (c_common_post_options): Likewise.
15784 * c-incpath.c (add_standard_paths, register_include_chains):
15786 * c-incpath.h (register_include_chains): Add extra parameter.
15787 * gcc.c (do_spec_1): Generate -imultilib option.
15788 (The Specs Language): Update %I description.
15789 (process_command): Update copyright notice.
15790 * doc/cppopts.texi (-imultilib): Document.
15791 * doc/invoke.texi (-imultilib): Include in option summary.
15792 (%I): Update specs documentation.
15794 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15796 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15798 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15800 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15803 2006-01-20 Richard Guenther <rguenther@suse.de>
15804 Steven Bosscher <stevenb.gcc@gmail.com>
15806 PR rtl-optimization/24626
15807 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15808 EDGE_TRUE_VALUE if in RTL mode.
15811 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15812 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15814 2006-01-20 Dirk Mueller <dmueller@suse.com>
15817 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15818 instead of a special NOP marker.
15819 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15820 NOP marker handling.
15821 * c-common.h (empty_body_warning): Add forward declaration.
15822 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15823 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15825 2006-01-20 Paul Brook <paul@codesourcery.com>
15827 * Makefile.in (lang_checks): Keep going if mkdir fails.
15829 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15831 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15832 be able to clean out basic block when not necessary.
15833 (df_scan_free): Fixed to properly delete information if df is
15834 unused before calling df_finish.
15835 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15836 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15838 (df_bb_refs_delete): New function.
15839 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15840 * df-core.c (df_set_blocks): Added code to properly clean out
15841 unused blocks if they are not part of the blocks to consider.
15842 Added additional null check.
15843 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15844 be able to clean out basic block when not necessary
15845 * df.h (df_free_bb_function): Ditto.
15846 (df_bb_refs_delete): New function.
15847 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15848 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15849 basic block parameter to be able to clean out basic block when not
15851 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15852 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15853 Fixed to properly delete information if df is unused before
15856 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15858 PR rtl-optimization/25799
15859 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15860 Corrected confluence operator to remove bits from op2 before oring
15861 with op1 rather than removing bits from op1.
15862 (df_ru_transfer_function): Corrected test on wrong bitmap which
15863 caused infinite loop. Both of these problems were introduced in
15864 the dataflow rewrite.
15866 2006-01-19 DJ Delorie <dj@redhat.com>
15868 * reload1.c (find_reload_regs): Note the details of reload
15869 failures in the dump file.
15870 (spill_failure): Likewise.
15872 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15874 * loop-iv.c: Include df.h and hashtab.h.
15875 (enum iv_grd_result): New enum.
15876 (DF_REF_IV, DF_REF_IV_SET): New macros.
15877 (struct biv_entry): New.
15878 (df, bivs): New global variables.
15879 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15880 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15882 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15883 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15884 analyzed_for_bivness_p, record_biv): New functions.
15885 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15886 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15887 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15889 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15891 (iv_number_of_iterations): Use new interface to iv analysis.
15892 * loop-unroll.c: Do not include varray.h.
15893 (analyze_iv_to_split_insn): Use new interface to iv
15895 * loop-unswitch.c (may_unswitch_on): Ditto.
15896 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15898 (df_bb_modify): Realloc tables to the new index.
15899 (df_find_use): New function.
15900 * df.h (df_find_use): Declare.
15901 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15903 * cfgloop.h (struct rtx_iv): Remove analysed field.
15904 (iv_get_reaching_def): Removed.
15905 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15906 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15907 (loop-iv.o): Add df.h and hashtab.h dependency.
15908 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15910 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15913 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15915 (__floatundisf, __floatundidf): Likewise.
15916 * libgcc2.h (IS_IBM_EXTENDED): Define.
15918 2006-01-19 DJ Delorie <dj@redhat.com>
15920 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15922 2006-01-19 Paul Brook <paul@codesourcery.com>
15924 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15925 as nothrow when unwinding tables are disabled.
15927 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15930 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15931 of bit-field" when in system header.
15933 2006-01-19 DJ Delorie <dj@redhat.com>
15935 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15936 the 16 bit shift limit of the m16c.
15938 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15941 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15942 * config/i386/i386.c (output_set_got): Output the label if we have one
15943 for the TARGET_DEEP_BRANCH_PREDICTION case.
15945 2006-01-19 Jan Hubicka <jh@suse.cz>
15946 H.J. Lu <hongjiu.lu@intel.com>
15947 Evandro Menezes <evandro.menezes@amd.com>
15949 * invoke.texi (generic): Document
15951 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15952 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15953 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15954 (x86_use_incdec, x86_pad_returns): New variables
15955 (TARGET_CPU_DEFAULT_generic): New constant
15956 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15957 (enum processor_type): Add generic32 and generic64.
15958 * i386.md (cpu attribute): Add generic32/generic64
15959 (movhi splitter): Behave sanely when both partial_reg_dependency and
15960 partial_reg_stall are set.
15961 (K8 splitters): Enable for generic as well.
15962 * predicates.md (incdec_operand): Use TARGET_INCDEC
15963 (aligned_operand): Avoid memory mismatch stalls.
15964 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15965 * ppro.md: Enable for generic32
15966 * i386.c (generic64_cost, generic32_cost): New.
15967 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15968 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15969 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15970 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15971 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15972 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15973 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15974 x86_accumulate_outgoing_args, x86_prologue_using_move,
15975 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15976 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15977 Enable for generic.
15978 (x86_use_incdec, x86_pad_returns): New.
15979 (override_options): Add generic32 and generic64, translate "generic"
15980 to generic32/generic64 and "i686" to "generic32", refuse
15981 "generic32"/"generic64" as arch target.
15982 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15983 (ix86_reorg): Honor PAD_RETURNS.
15985 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15987 * tree-pretty-print.c (dump_generic_node): Handle
15988 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15989 * cgraph.c (cgraph_expand_queue): Rename from
15990 cgraph_analyze_queue. Update all users.
15991 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15992 cgraph_expand_queue.
15993 (cgraph_expand_all_functions): Likewise.
15994 (cgraph_finalize_pending_functions): Remove. Update callers.
15996 * tree.h (OMP_DIRECTIVE_P): Define.
15997 (OMP_PARALLEL_FN): Define.
15998 (OMP_PARALLEL_DATA_ARG): Define.
15999 (OMP_SECTIONS_SECTIONS): Define.
16000 * tree-pass.h (pass_expand_omp): Declare.
16001 * omp-low.c (struct omp_region): Declare.
16002 (struct omp_context): Remove fields 'parallel_type',
16003 'parallel_start_ix' and 'parallel_start_additional_args'.
16005 (struct omp_for_data): Rename from struct expand_omp_for_data.
16006 (omp_regions): New static variable.
16007 (root_omp_region): New static variable.
16008 (find_omp_clause): Make static.
16009 (is_in_combined_parallel_ctx): Remove.
16010 (is_combined_parallel): New.
16011 (extract_omp_for_data): Move earlier in the file.
16012 (workshare_safe_to_combine_p): New.
16013 (get_ws_args_for): New.
16014 (determine_parallel_type): Move earlier in the file.
16015 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16017 (omp_copy_decl): Likewise.
16018 (create_omp_child_function): Likewise.
16019 (lookup_omp_region): New.
16020 (dump_omp_region): New.
16021 (debug_omp_region): New.
16022 (debug_all_omp_regions): New.
16023 (new_omp_region): New.
16024 (scan_omp_parallel): If parallel_nesting_level > 1, the
16025 directive is nested within another parallel directive.
16026 Set OMP_PARALLEL_FN.
16027 (scan_omp_for): Do not try to handle combined parallel+for
16029 Remove FIXME comment.
16030 (scan_omp_nested): Remove.
16031 (scan_omp_1): Do not call scan_omp_nested when
16032 parallel_nesting_level is > 1.
16033 Do not change the DECL_CONTEXT of local variables found.
16034 (lookup_decl_in_outer_ctx): New.
16035 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16036 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16037 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16038 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16039 If CTX is nested, lookup VAR in the outer context when
16040 building copy assignment.
16041 (lower_send_clauses): Rename from expand_send_clauses.
16042 If CTX is nested, lookup VAR in the outer context when
16043 building copy assignments.
16044 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16045 If CTX is nested, lookup VAR in the outer context when
16046 building copy assignments.
16047 (expand_parallel_call): Rename from build_parallel_call.
16048 Handle combined parallel+workshare cases.
16049 Re-implement to emit code into the CFG.
16051 (expand_omp_parallel): Re-implement to emit code into the CFG.
16052 Call move_sese_region_to_fn to outline the sub-graph
16053 containing the parallel region.
16054 (expand_omp_for_1): Remove.
16055 (expand_omp_for_generic): Re-implement to emit code into the
16057 (expand_omp_for_static_nochunk): Likewise.
16058 (expand_omp_for_static_chunk): Likewise.
16059 (expand_omp_for): Likewise.
16060 (expand_omp_sections): Likewise.
16061 (remove_exit_barriers): New.
16062 (expand_omp_synch): New.
16064 (build_omp_regions_1): New.
16065 (build_omp_regions): New.
16066 (execute_expand_omp): New.
16067 (gate_expand_omp): New.
16068 (pass_expand_omp): Define.
16069 (lower_omp_sections): Rename from expand_omp_sections.
16070 Set OMP_SECTIONS_SECTIONS.
16071 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16072 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16073 (lower_omp_single): Rename from expand_omp_simple.
16074 (lower_omp_master): Rename from expand_omp_master.
16075 (lower_omp_ordered): Rename from expand_omp_ordered.
16076 (lower_omp_critical): Rename from expand_omp_critical.
16077 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16078 (lower_omp_for): Re-implement.
16079 (lower_omp_parallel): Re-implement.
16080 (lower_regimplify): Rename from expand_regimplify.
16081 (lower_omp_1): Rename from expand_omp_1.
16082 If there are syntax errors in the program, replace every
16083 OpenMP directive with NOP.
16084 Call lower_omp_* instead of expand_omp_*.
16085 (lower_omp): Rename from expand_omp.
16087 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16088 * tree-gimple.h (enum omp_parallel_type): Remove.
16089 (gimple_boolify): Declare extern.
16090 (find_omp_clause, determine_parallel_type): Remove.
16092 * gimple-low.c (lower_omp_directive): New.
16093 (lower_stmt): Call it.
16094 (record_vars_into): Move from ...
16095 (record_vars): ... here.
16096 Call record_vars_into with current_function_decl.
16098 * gimplify.c (struct gimplify_ctx): Remove fields
16099 combined_pre_p and combined_ctxp. Update users.
16100 (get_formal_tmp_var): Add documentation.
16101 (gimple_boolify): Make extern.
16102 (gimplify_expr_in_ctx): Remove. Update callers.
16103 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16104 will always be a BIND_EXPR.
16105 (gimplify_expr): Handle OMP_RETURN_EXPR.
16106 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16107 (OMP_PARALLEL): Add 3 operands.
16108 (OMP_SECTIONS): Add 1 operand.
16109 (OMP_RETURN_EXPR): Define.
16111 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16112 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16113 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16114 creating a circular free list.
16115 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16117 * tree-flow.h (move_sese_region_to_fn): Declare.
16118 (record_vars_into): Declare.
16119 * tree-cfg.c (make_omp_sections_edges): New.
16120 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16121 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16122 OMP_SECTIONS and OMP_SECTION.
16123 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16124 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16125 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16126 (gather_blocks_in_sese_region): New.
16127 (struct move_stmt_d): Declare.
16128 (move_stmt_r): New.
16129 (move_block_to_fn): New.
16130 (move_sese_region_to_fn): New.
16132 * passes.c (init_optimization_passes): Schedule
16133 pass_expand_omp after pass_init_datastructures.
16135 * tree-ssa-operands.c (get_expr_operands): Handle
16136 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16137 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16139 2006-01-19 Jeff Law <law@redhat.com>
16141 * tree-vrp.c (extract_range_from_assert): Refine the result range
16142 if the variable referenced by the ASSERT_EXPR has a range and
16143 either the tentative result range or the previous range is a
16146 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16148 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16150 2006-01-19 Jan Hubicka <jh@suse.cz>
16152 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16154 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16156 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16157 (expand_compound_operation, expand_field_assignment): Fail if the
16158 bit lengths of an extract operation are out of range.
16159 (make_extraction): Compute wanted_inner_mode based on the position
16160 and length of the extraction. Make it extraction_mode for non-constant
16161 positions, and do not modify offset in that case. When generating a
16162 new MEM, use a mode that can hold the extraction while keeping correct
16163 alignment. Remove code that supported MEMs wrapped by USEs.
16164 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16166 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16168 * config/s390/s390.md ("Y", "y"): New mode attribute.
16169 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16170 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16171 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16172 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16173 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16174 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16175 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16176 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16177 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16178 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16179 "addsi3", "subsi3"): Insn patterns removed.
16180 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16181 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16182 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16183 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16184 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16185 "*sub<mode>3_cconly2"): New insn patterns.
16186 ("addsi3", "subsi3"): New expanders.
16188 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16190 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16191 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16192 existing STMT_VINFO_VECTYPE if available.
16193 (vect_mark_relevant): Add special handling for stmts that are
16194 marked as STMT_VINFO_IN_PATTERN_P.
16195 (vect_analyze_loop): Call vect_pattern_recog.
16196 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16197 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16199 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16200 (vect_recog_func_ptr): New function-pointer type.
16201 * tree-vect-patterns.c: New file.
16202 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16203 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16204 (vect_pattern_recog_1): New functions.
16205 (vect_pattern_recog_funcs): New array of function pointers.
16207 * tree-vectorizer.h (ternary_op): New enum value.
16208 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16209 declaration. Revised documentation. Removed redundant dump prints.
16210 Removed redundant argument. Added support for reduction patterns.
16211 (vectorizable_reduction): Added support for reduction patterns.
16212 (vect_transform_stmt): Added support for patterns.
16214 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16215 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16216 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16217 (expand_widen_pattern_expr): New function.
16218 (init_optabs): Initialize new optabs udot_prod_optab,
16220 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16221 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16222 (expand_widen_pattern_expr): New function declaration.
16223 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16225 * tree-inline.c (estimate_num_insns_1): Added cases for new
16226 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16227 * tree-pretty-print.c (dump_generic_node): Likewise.
16228 (op_prio): Likewise.
16229 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16230 * tree-ssa-operands.c (get_expr_operands): Added case for
16232 * tree-vect-patterns.c (widened_name_p): New function.
16233 (vect_recog_dot_prod_pattern): Added function implementation.
16234 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16235 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16236 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16237 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16239 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16240 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16241 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16242 (init_optabs): Initialize new optabs widen_ssum_optab,
16244 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16245 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16246 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16247 use instead of type of def.
16248 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16249 function implementation.
16250 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16251 widen_ssumv8hi): New.
16253 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16256 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16259 * c-decl.c (add_flexible_array_elts_to_size): New function.
16260 (finish_decl): Use it.
16262 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16264 * diagnostic.h: Include options.h.
16265 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16266 dependancies for diagnostic.h.
16267 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16269 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16271 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16272 (ssa_ro_call_cache_valid): Ditto.
16273 * tree-ssa-alias.c (sort_tags_by_id): New function.
16274 (init_transitive_clobber_worklist): Ditto.
16275 (add_to_worklist): Ditto.
16276 (mark_aliases_call_clobbered): Ditto.
16277 (compute_tag_properties): Ditto.
16278 (set_initial_properties): Ditto.
16279 (compute_call_clobbered): Ditto.
16280 (compute_may_aliases): Call compute_call_clobbered and grouping.
16281 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16282 (compute_flow_insensitive_aliasing): Grouping now happens in our
16284 (setup_pointers_and_addressables): Remove clobbering related code.
16285 (add_may_alias): Ditto.
16286 (replace_may_alias): Ditto.
16287 (get_nmt_for): Ditto.
16288 (create_global_var):
16289 (is_escape_site): Return an escape_type enumeration.
16290 * tree-flow-inline.h (is_call_clobbered): Global var does not
16291 imply call clobbered.
16292 (mark_call_clobbered): Take a reason for marking this. Remove
16293 marking of globalness, and cache invalidation.
16294 (clear_call_clobbered): Remove cache invalidation code.
16295 * tree-dfa.c (dump_variable): If details is on, dump the reason
16297 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16299 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16300 (struct var_ann_d): Ditto.
16301 (enum escape_type): New.
16302 (mark_call_clobbered): Adjust prototype.
16303 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16304 are never call clobbered.
16305 Record reasons for escaping.
16306 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16307 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16308 (ssa_ro_call_cache_valid): Ditto.
16309 (clobbered_v_may_defs): Ditto.
16310 (clobbered_vuses): Ditto.
16311 (ro_call_vuses): Ditto.
16312 (clobber_stats): New.
16313 (init_ssa_operands): Zero out clobber stats.
16314 (fini_ssa_operands): Print out clobber stats.
16315 (get_call_expr_operands): Pass callee fndecl to
16316 add_call_read_ops).
16317 (add_call_clobber_ops): Remove use of cache.
16318 Add use of PURE_CONST information.
16319 (add_call_read_ops): Remove use of cache.
16320 Add use of static not_read information.
16322 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16324 Introduce TLS descriptors for i386 and x86_64.
16325 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16326 (TARGET_ANY_GNU_TLS): New macro.
16327 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16328 (struct machine_function): Add tls_descriptor_call_expanded_p.
16329 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16330 (ix86_current_function_calls_tls_descriptor): Likewise.
16331 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16332 (override_options): Introduce gnu2 tls dialect.
16333 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16335 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16337 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16338 (ix86_init_machine_status): Initialize new field.
16339 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16340 (ix86_tls_module_base): New.
16341 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16342 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16343 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16344 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16345 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16346 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16347 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16348 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16349 * config/i386/predicates.md (tls_modbase_operand): New.
16350 (tp_or_register_operand): New.
16352 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16354 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16355 (look_for_address_of): Ditto.
16356 (ipa_init): Walk the function decls.
16357 (static_execute): Don't set readonly on FUNCTION_DECL's.
16359 2006-01-18 Roger Sayle <roger@eyesopen.com>
16361 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16362 for shifts where the source and destination registers are different.
16364 2006-01-18 Paul Brook <paul@codesourcery.com>
16366 Merge from csl-arm-branch.
16367 2005-03-14 Julian Brown <julian@codesourcery.com>
16368 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16369 (aeabi_llsl): Likewise.
16370 (ashrdi3): Likewise.
16371 (aeabi_lasr): Likewise.
16372 (lshrdi3): Likewise.
16373 (aeabi_llsr): Likewise.
16374 2005-03-10 Julian Brown <julian@codesourcery.com>
16375 * config.gcc: Disable shared libgcc for SymbianOS.
16376 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16378 2006-01-18 DJ Delorie <dj@redhat.com>
16380 * c-pragma.c (handle_pragma_diagnostic): New.
16381 (init_pragma): Register it.
16382 * doc/extend.texi: Document it.
16384 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16385 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16386 (diagnostic_context): Add classify_diagnostic[].
16387 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16388 as errors if they're overridden to DK_WARNING.
16389 (diagnostic_initialize): Initialize classify_diagnostic[].
16390 (diagnostic_set_kind_override): New.
16391 (diagnostic_report_diagnostic): Check for kind changes.
16392 * opts.c (common_handle_option): Take lang_mask. Update callers.
16393 Handle OPT_Werror_.
16394 * common.opt (Werror=): New.
16395 * doc/invoke.texi: Document -Werror=*
16397 2006-01-18 Jeff Law <law@redhat.com>
16399 * tree-vrp.c (test_for_singularity): Correct test for new
16400 min limit. Use operand_equal_p rather than pointer equality
16401 for testing if new min/max values are equal.
16403 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16404 using range information until after propagation and folding.
16406 2006-01-18 Richard Henderson <rth@redhat.com>
16407 Aldy Hernandez <aldyh@redhat.com>
16408 Jakub Jelinek <jakub@redhat.com>
16409 Diego Novillo <dnovillo@redhat.com>
16411 * omp-low.c: New file.
16412 * c-omp.c: New file.
16414 2006-01-18 Richard Henderson <rth@redhat.com>
16415 Jakub Jelinek <jakub@redhat.com>
16416 Diego Novillo <dnovillo@redhat.com>
16418 * doc/invoke.texi: Document -fopenmp.
16419 * tree-dump.h (debug_function): Declare.
16420 * hooks.c (hook_bool_tree_bool_false): New function.
16421 (hook_tree_tree_null): Remove.
16422 (hook_tree_tree_tree_null): New.
16423 * hooks.h: Update to match.
16424 * tree-pretty-print.c (debug_tree_chain): New.
16425 (print_generic_expr): Handle TDF_CHAIN.
16426 (dump_generic_node): Handle BLOCK.
16427 Do not abort with incomplete SWITCH_EXPRs.
16428 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16429 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16430 print space after directive name.
16431 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16432 Handle OMP_MASTER and OMP_ORDERED.
16433 Handle printing of OMP_BODY just in one place, goto
16434 dump_omp_body in the rest of OMP_* nodes that have
16436 Don't handle clause nodes here. Update omp statements to
16437 use dump_omp_clauses.
16438 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16439 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16440 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16441 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16442 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16443 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16444 Adjust output for GOMP_PARALLEL.
16445 (dump_omp_clauses): New.
16446 (print_declaration): Dump DECL_VALUE_EXPR.
16447 (op_symbol_1): Split out of op_symbol.
16448 (dumping_stmts): Remove. Update all users.
16449 * cgraph.c (cgraph_analyze_queue): New.
16450 (cgraph_add_new_function): New.
16451 * cgraph.h (cgraph_analyze_queue): Declare.
16452 (cgraph_add_new_function): Declare.
16453 (cgraph_lower_function): Remove.
16454 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16455 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16456 and TYPE_P nodes in its default clause.
16457 (empty_body_p): New.
16458 (tree_range_check_failed): New.
16459 (build5_stat): New.
16460 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16461 OMP_CLAUSE_REDUCTION_MERGE,
16462 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16463 OMP_CLAUSE_PRIVATE_DEBUG,
16464 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16465 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16466 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16467 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16468 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16469 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16470 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16471 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16472 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16473 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16474 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16475 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16476 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16477 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16478 (TREE_RANGE_CHECK): New.
16479 (empty_body_p): Declare.
16480 (enum omp_clause_default_kind): New.
16481 (build_string_literal): Declare.
16482 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16483 (build5_stat, build5): Declare.
16484 * tree-pass.h (TDF_CHAIN): Define.
16485 * tree-pass.h (PROP_gimple_lomp): Define.
16486 (pass_lower_omp): Declare.
16487 * diagnostic.h (debug_tree_chain): Declare.
16488 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16490 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16491 * builtins.c (build_string_literal): Make extern.
16492 * gcc.c (include_spec_function): New.
16493 (static_spec_functions): Add it.
16494 (main): Move load of libgomp.spec ...
16495 (LINK_COMMAND_SPEC): ... here.
16496 (link_gomp_spec): New.
16497 (static_specs): Include it.
16498 (LINK_COMMAND_SPEC): Add link_gomp.
16499 (GOMP_SELF_SPECS): New.
16500 (driver_self_specs): Include it.
16501 (switch_matches): Don't mark inline.
16502 (main): Load libgomp.spec.
16503 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16504 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16505 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16506 * tree-gimple.h (enum omp_parallel): Declare.
16507 (determine_parallel_type): Declare.
16508 (omp_firstprivatize_variable): Declare.
16509 (omp_reduction_init): Declare.
16510 (diagnose_omp_structured_block_errors): Declare.
16511 (struct walk_stmt_info): Add want_return_expr.
16512 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16513 (find_omp_clause): Declare.
16514 (insert_field_into_struct): Declare.
16515 (struct walk_stmt_info): Move from tree-nested.c
16516 (walk_stmts): Declare.
16517 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16519 * cgraphunit.c (cgraph_lower_function): Make static.
16520 (cgraph_finalize_pending_functions): New.
16521 (cgraph_finalize_function): Call it.
16522 (cgraph_finalize_compilation_unit): Likewise.
16523 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16524 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16525 (BT_FN_UINT_UINT): New.
16526 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16527 DEF_FUNCTION_TYPE_VAR_4): Document.
16528 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16529 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16530 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16531 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16532 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16533 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16534 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16535 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16536 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16537 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16538 into separate files.
16539 (DEF_GOMP_BUILTIN): New.
16540 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16541 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16542 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16543 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16544 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16545 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16546 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16547 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16548 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16549 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16550 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16551 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16552 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16553 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16554 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16555 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16556 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16557 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16558 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16559 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16560 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16561 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16562 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16563 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16564 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16565 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16566 * sync-builtins.def: New file, moved from builtins.def.
16567 * omp-builtins.def: New file, moved from builtins.def.
16568 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16569 * gimple-low.c (lower_function_body): Clear data.
16570 (lower_stmt): Do not handle COMPOUND_EXPR.
16571 Remove call to print_node_brief.
16572 * c-tree.h (c_finish_omp_clauses): New prototype.
16573 (C_DECL_THREADPRIVATE_P): Define.
16574 (lookup_name_no_remap, c_omp_remap_private): Remove
16575 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16576 (check_for_loop_decls): Update decl.
16577 (lookup_name_no_remap, c_omp_remap_private): Declare.
16578 (build_indirect_ref, build_modify_expr, pushdecl,
16579 pushdecl_top_level): Move to c-common.h.
16580 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16581 before the switch, but just in the 2 places that need it.
16582 * c-decl.c (diagnose_mismatched_decls): Do not check for
16583 mismatched thread-local attributes when OLDDECL is marked
16584 threadprivate and NEWDECL has no thread-local attributes.
16585 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16586 (c_gimple_diagnostics_recursively): Rename from
16587 c_warn_unused_result_recursively. Invoke
16588 diagnose_omp_structured_block_errors.
16589 (check_for_loop_decls): Return a singular decl found.
16590 * langhooks.c (lhd_omp_predetermined_sharing): Return
16591 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16592 (lhd_omp_firstprivatize_type_sizes): New.
16593 (lhd_omp_assignment): New.
16594 (lhd_omp_predetermined_sharing): New.
16595 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16596 (struct lang_hooks_for_types): Add
16597 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16598 omp_predetermined_sharing, omp_disregard_value_expr,
16599 omp_private_debug_clause, omp_clause_default_ctor,
16600 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16601 (c_finish_omp_clauses): New.
16602 (c_finish_bc_stmt): Diagnose break within omp for.
16603 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16604 (build_unary_op): Return error_mark after reporting
16606 (build_modify_expr): Likewise.
16607 * gimplify.c: Include optabs.h and pointer-set.h.
16608 (enum gimplify_omp_var_data): Declare.
16609 (struct gimplify_omp_ctx): Declare.
16610 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16612 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16613 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16614 (splay_tree_compare_decl_uid): New.
16615 (new_omp_context): New.
16616 (delete_omp_context): New.
16617 (gimple_add_tmp_var): Call omp_add_variable.
16618 (gimplify_bind_expr): Likewise.
16619 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16620 true, disregard DECL_VALUE_EXPR on the decl if any.
16621 (gimplify_expr_in_ctx): New.
16622 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16623 omp_add_variable, omp_notice_variable, omp_is_private
16624 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16625 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16626 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16627 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16628 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16629 gimplify_omp_atomic): New.
16630 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16631 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16632 OMP_CRITICAL and OMP_ATOMIC.
16633 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16634 * c-pragma.h (enum pragma_kind): Add
16635 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16636 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16637 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16638 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16639 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16640 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16641 PRAGMA_OMP_THREADPRIVATE.
16642 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16643 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16644 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16645 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16646 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16647 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16648 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16649 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16650 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16651 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16652 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16653 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16654 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16656 (struct nesting_info): Add field_map,
16657 suppress_expansion, debug_var_chain.
16658 (create_nesting_tree): Initialize them.
16659 (lookup_field_for_decl): Use field_map.
16660 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16661 (convert_local_omp_clauses): New.
16662 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16663 (walk_body): Split out of walk_function.
16664 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16665 (convert_nonlocal_reference): Handle omp statements.
16666 (convert_local_reference): Likewise.
16667 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16668 (unnest_nesting_tree): New.
16669 (lower_nested_functions): Call it.
16670 (insert_field_into_struct): Make extern.
16671 (struct walk_stmt_info): Move to tree-gimple.h.
16672 (walk_stmts): Make extern.
16673 * omp-builtins.def: New file.
16674 * tree-iterator.c (expr_only): Clarify comment.
16675 * c-common.h (pushdecl_top_level, pushdecl,
16676 build_modify_expr, build_indirect_ref,
16677 c_finish_omp_master, c_finish_omp_critical,
16678 c_finish_omp_ordered, c_finish_omp_barrier,
16679 c_finish_omp_atomic, c_finish_omp_flush,
16680 c_finish_omp_for, c_split_parallel_clauses,
16681 omp_clause_default_kind, c_omp_sharing_predetermined,
16682 c_omp_remap_decl): Declare.
16683 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16684 (OBJS-common): Add omp-low.o.
16685 (c-omp.o, omp-low.o): Add.
16686 (gimplify.o): Add dependency on $(OPTABS_H).
16687 (GTFILES): Add omp-low.c.
16688 (gt-stringpool.h): Add.
16689 * tree-cfg.c (set_bb_for_stmt): Do not update the
16690 block-to-labels map if we are currently expanding to RTL.
16691 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16693 Handle IDENTIFIER_NODE.
16694 (tree_verify_flow_info): Do not ICE when emitting error
16695 messages about invalid labels.
16696 (dump_function_to_file): Reset CFUN before emitting the body
16698 (debug_function): New.
16699 * passes.c (init_optimization_passes): Schedule
16701 * langhooks-def.h (lhd_omp_predetermined_sharing,
16702 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16704 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16705 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16706 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16707 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16708 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16709 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16710 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16711 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16712 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16713 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16714 (LANG_HOOK_DECLS): Use them.
16716 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16717 Richard Henderson <rth@redhat.com>
16718 Jakub Jelinek <jakub@redhat.com>
16719 Diego Novillo <dnovillo@redhat.com>
16721 * c-parser.c (pragma_omp_clause): Define.
16722 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16723 (c_parser_compound_statement): Likewise.
16724 (c_parser_statement): Likewise.
16725 (c_parser_pragma): Handle omp pragmas.
16726 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16727 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16728 (c_parser_omp_clause_name, check_no_duplicate_clause,
16729 c_parser_omp_variable_list,
16730 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16731 c_parser_omp_clause_copyprivate,
16732 c_parser_omp_clause_default,
16733 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16734 c_parser_omp_clause_lastprivate,
16735 c_parser_omp_clause_nowait,
16736 c_parser_omp_clause_num_threads,
16737 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16738 c_parser_omp_clause_reduction,
16739 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16740 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16741 c_parser_omp_atomic, c_parser_omp_barrier,
16742 c_parser_omp_critical, c_parser_omp_flush,
16743 c_parser_omp_for_loop, c_parser_omp_for,
16744 c_parser_omp_master, c_parser_omp_ordered,
16745 c_parser_omp_sections_scope, c_parser_omp_sections,
16746 c_parser_omp_parallel, c_parser_omp_single,
16747 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16748 * c-pragma.c (init_pragma): Do omp pragma registration here.
16749 * c.opt (fopenmp): New flag.
16751 2006-01-18 Eric Christopher <echristo@apple.com>
16753 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16754 * config/darwin.h (GOMP_SELF_SPECS): Define.
16756 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16758 * rtl.h: Remove the prototype for reg_alloc.
16760 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16763 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16764 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16765 sjlj and dwarf2 exception handling.
16766 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16767 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16768 * pa/pa.c (function_value): Treat complex and vector types as
16770 (function_arg): Likewise. Only pass scalar floats in the floating
16771 point argument registers.
16772 * pa/t-slibgcc-dwarf-ver: New file.
16773 * pa/t-slibgcc-sjlj-ver: New file.
16774 * pa/t-slibgcc-elf-ver: Delete file.
16776 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16778 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16779 unlikely_test_section_p test.
16781 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16783 * mode-switching.c (optimize_mode_switching): Make it static.
16784 * basic-block.h: Remove the prototype for
16785 optimize_mode_switching.
16787 * modulo-sched.c (sms_schedule): Make it static.
16788 * rtl.h: Remove the prototype for sms_schedule.
16790 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16791 * rtl.h: Remove the prototype for gcse_after_reload_main.
16793 * reg-stack.c (reg_to_stack): Make it static.
16794 * rtl.h: Remove the prototype for reg_to_stack.
16796 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16798 * rtl.h: Remove the prototypes for regrename_optimize and
16799 copyprop_hardreg_forward.
16801 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16803 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16804 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16805 Test against the appropriate null constant for the mode.
16806 If 'fixup_overlap' is true, swap the operands if they overlap.
16807 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16808 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16809 alpha_split_tmode_pair and adjust for above change.
16810 * config/alpha/alpha.md (movtf_internal): Adjust call to
16811 alpha_split_tfmode_pair and rely on it to swap the operands.
16812 (movti_internal): New insn and post-reload splitter.
16813 (movti): New expander.
16815 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16817 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16820 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16822 * rtlanal.c (global_reg_mentioned_p_1,
16823 global_reg_mentioned_p): Remove.
16824 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16826 * flow.c (initialize_uninitialized_subregs): Make it static.
16827 * rtl.h: Remove the prototype for
16828 initialize_uninitialized_subregs.
16830 * function.c (instantiate_virtual_regs): Make it static.
16831 * function.h: Remove the prototype for
16832 instantiate_virtual_regs.
16834 * regmove.c (regmove_optimize, combine_stack_adjustments):
16836 * rtl.h: Remove the prototypes for regmove_optimize and
16837 combine_stack_adjustments.
16839 2006-01-17 Roger Sayle <roger@eyesopen.com>
16841 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16842 (size_cost): Encode costs in bytes so that a reg-reg addition is
16843 equivalent to COSTS_N_INSNS(1).
16844 (override_options): Use the size_cost.branch_cost as the default
16845 ix86_branch_cost when optimizing for size.
16847 2006-01-18 Ben Elliston <bje@au.ibm.com>
16849 * Makefile.in (D32PBIT_FUNCS): New.
16850 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16851 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16852 D64PBIT_FUNCS and D128PBIT_FUNCS.
16853 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16854 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16856 (decnumber_dep): Define.
16857 * doc/libgcc.texi (Decimal float library routines): New node.
16858 * config/dfp-bit.h, config/dfp-bit.c: New files.
16860 2006-01-18 Ben Elliston <bje@au.ibm.com>
16862 * expr.c (emit_move_change_mode): Always adjust addresses, not
16863 just during reload. Copy replacements only during reload.
16864 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16865 emit_move_via_integer.
16867 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16869 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16870 instead of $(srcdir) and ${srcdir}.
16872 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16875 PR middle-end/11135
16876 * arm.h (struct machine_function): Add pic_reg.
16877 * arm.c (arm_pic_register): Make unsigned.
16878 (arm_override_options): Only set arm_pic_register if
16879 TARGET_SINGLE_PIC_BASE.
16880 (use_return_insn): Only test for a pic register if it is fixed.
16881 (arm_compute_save_reg0_reg12_mask): Likewise.
16882 (thumb_compute_save_reg_mask): Likewise.
16883 (legitimate_pic_operand): Factor out some known invariants.
16884 (legitimize_pic_address): If we don't have a fixed pic register,
16885 then set up a pseudo in the function entry sequence. Handle the
16886 pic base being in a pseudo.
16887 (arm_load_pic_register): Handle the pic register being in a pseudo.
16888 (arm_expand_prologue): Only set up the pic register if it is fixed.
16889 (thumb_expand_prologue): Likewise.
16890 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16891 (pic_load_addr_based_insn): Likewise.
16892 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16895 2006-01-18 Ben Elliston <bje@au.ibm.com>
16897 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16898 decimal float modes for all floating point registers.
16900 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16901 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16903 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16906 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16907 even when the pointer is not NULL.
16909 2006-01-16 Ian Lance Taylor <ian@airs.com>
16911 * common.opt (ftoplevel-reorder): New option.
16912 * cgraph.c (cgraph_asm_nodes): New global variable.
16913 (cgraph_asm_last_node): New static variable.
16914 (cgraph_order): New global variable.
16915 (cgraph_create_node): Set new order field.
16916 (cgraph_varpool_node): Likewise.
16917 (decide_is_variable_needed): Return true if not
16918 flag_toplevel_reorder.
16919 (cgraph_add_asm_node): New function.
16920 * cgraph.h (struct cgraph_node): Add order field.
16921 (struct cgraph_varpool_node): Add order field.
16922 (struct cgraph_asm_node): Define.
16923 (cgraph_asm_nodes, cgraph_order): Declare.
16924 (cgraph_add_asm_node): Declare.
16925 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16927 (cgraph_varpool_assemble_pending_decls): Call it.
16928 (cgraph_output_pending_asms): New static function.
16929 (cgraph_finalize_compilation_unit): Call it.
16930 (struct cgraph_order_sort): Define.
16931 (cgraph_output_in_order): New static function.
16932 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16933 !flag_toplevel_reorder case.
16934 * c-parser.c: Include "cgraph.h".
16935 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16937 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16938 than -fno-unit-at-a-time.
16939 * doc/invoke.texi (Option Summary): Mention
16940 -fno-toplevel-reorder.
16941 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16942 -funit-at-a-time documentation.
16944 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16945 Kazu Hirata <kazu@codesourcery.com>
16947 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16949 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16951 * Makefile.in (FUNCTION_H): New. Use it instead of
16952 function.h throughout the file.
16953 * function.h: Include tree.h.
16955 2006-01-17 Ben Elliston <bje@au.ibm.com>
16957 * recog.c: Separate some functions with whitespace.
16959 2006-01-16 Richard Henderson <rth@redhat.com>
16961 Merge from gomp branch:
16962 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16963 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16964 and rename from struct inline_data. Rename callee* to dst*;
16965 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16966 transform_new_cfg, transform_return_to_modify, and
16967 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16969 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16970 (copy_decl_for_dup): Remove.
16971 * tree-inline.c (struct inline_data): Move to header.
16972 (insert_decl_map): Export.
16973 (remap_decl): Update for member name changes. Use copy_decl hook.
16974 Allow for replacement to be a non-decl. Remove dead code.
16975 (remap_type_1): Check for existing mapping.
16976 (remap_type): Export.
16977 (remap_decls): Update for member name changes.
16978 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16979 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16980 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16981 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16982 (tree_function_versioning, build_duplicate_type): Likewise.
16983 (copy_body_r): Likewise. Export.
16984 (copy_decl_for_dup): Split into ...
16985 (copy_decl_for_dup_finish, copy_decl_to_var,
16986 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16987 (replace_ref_tree, inlining_p): Remove.
16989 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16991 * ifcvt.c (if_convert): Make it static.
16992 * rtl.h: Remove the prototype for if_convert.
16994 * local-alloc.c (local_alloc): Make it static.
16995 * rtl.h: Remove the prototype for local_alloc.
16997 * loop.c (loop_optimize): Make it static.
16998 * cfgloop.h: Remove the prototype for loop_optimize.
17001 2006-01-16 DJ Delorie <dj@redhat.com>
17003 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17006 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17008 * pa.md: Disparage copies between general and floating-point registers
17009 in 32-bit move patterns.
17011 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17014 * Makefile.in (check-%): Depend on site.exp instead of
17015 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17018 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17020 * global.c (global_alloc): Make it static.
17021 * rtl.h: Remove the prototype for global_alloc.
17023 2006-01-16 Richard Guenther <rguenther@suse.de>
17025 * tree-ssa-alias.c (struct used_part): Add write_only field.
17026 (get_or_create_used_part_for): Initialize it to true.
17027 (create_overlap_variables_for): Don't create structure variables
17028 for structures that only are written to.
17029 (find_used_portions): Handle MODIFY_EXPR to track whether a
17030 structure is only written to.
17032 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17034 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17036 * basic-block.h: Remove the prototype for
17037 partition_hot_cold_basic_blocks.
17039 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17041 * cppspec.c (lang_specific_spec_functions): Remove.
17042 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17043 * gcc.h (lang_specific_spec_functions): Remove.
17044 * gccspec.c (lang_specific_spec_functions): Remove.
17046 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17048 * combine.c (record_value_for_reg): Invalidate registers
17050 (record_dead_and_set_regs_1): Likewise, by passing them to
17051 record_value_for_reg.
17052 (record_dead_and_set_regs): Invalidate stores made by a
17053 call. We do not combine across a call, but we still
17054 relied on equivalences.
17056 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17058 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17059 vrp_int_const_binop returning non-constant nodes.
17061 2006-01-16 Paul Brook <paul@codesourcery.com>
17063 * config/m68k/m68k.c (output_move_const_into_data_reg):
17064 Output correct mnemonic for mvz and mvs.
17066 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17068 * rtl-factoring.c: Add sequence abstraction algorithm.
17069 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17070 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17072 (block_has_preserve_label): New function.
17073 * common.opt: Register new pass.
17074 * Makefile.in: Ditto.
17076 * timevar.def: Ditto.
17077 * tree-pass.h: Ditto.
17078 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17079 * rtl.h (make_jump_insn_raw): Add forward decl.
17080 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17082 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17083 Roger Sayle <roger@eyesopen.com>
17085 * fold-const.c (fold_minmax): New static function.
17086 (fold_binary) <MIN_EXPR>: Call it.
17087 <MAX_EXPR>: Likewise.
17088 * stor-layout.c (place_field): Use DECL_SIZE consistently
17089 in the computation of the new record size.
17091 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17093 * cse.c (cse_condition_code_reg): Make it static.
17094 * rtl.h: Remove the prototype for cse_condition_code_reg.
17096 * combine.c (combine_instructions): Make it static.
17097 * rtl.h: Remove the prototype for combine_instructions.
17099 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17102 * tree.c (get_file_function_name_long): Concatenate the first global
17103 object name with a string derived from the input filename of the object
17106 2006-01-16 Ben Elliston <bje@au.ibm.com>
17108 * config/i386/winnt-stubs.c: Update FSF address.
17109 * config/xtensa/ieee754-df.S: Ditto.
17110 * config/xtensa/ieee754-sf.S: Ditto.
17112 2006-01-14 Ian Lance Taylor <ian@airs.com>
17114 * ifcvt.c (noce_init_if_info): New static function, broken out of
17115 noce_process_if_block.
17116 (noce_process_if_block): Call noce_init_if_info.
17117 (check_cond_move_block): New static function.
17118 (cond_move_process_if_block): New static function.
17119 (process_if_block): Call cond_move_process_if_block.
17121 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17123 * cselib.c (hash_table): Rename to cselib_hash_table.
17124 (cselib_clear_table, discard_useless_values,
17125 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17126 cselib_init, cselib_finish): Adjust uses of hash_table.
17128 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17130 PR tree-optimization/25485
17131 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17132 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17133 is known to be false and true, respectively.
17135 2006-01-14 Richard Guenther <rguenther@suse.de>
17137 PR tree-optimization/22548
17138 PR tree-optimization/22555
17139 PR tree-optimization/22501
17140 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17141 * params.def (salias-max-array-elements): New parameter.
17142 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17143 * doc/invoke.texi (salias-max-array-elements): Document.
17144 * tree-flow-inline.h (var_can_have_subvars): We also handle
17146 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17148 * tree-ssa-structalias.c (params.h): Include.
17149 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17150 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17151 (get_constraint_for): For ADDR_EXPR operating on something
17152 containing an ARRAY_REF, add all subvars to the solution.
17153 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17154 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17155 for creating MUST_DEFs.
17156 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17158 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17160 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17162 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17163 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17164 number_of_iterations_le): New functions.
17165 (number_of_iterations_special): Removed.
17166 (number_of_iterations_exit): Do not use number_of_iterations_special.
17167 * tree.c (unsigned_type_for): Always return integer type.
17169 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17170 Richard Guenther <rguenther@suse.de>
17172 PR rtl-optimization/24257
17173 * gcse.c (find_moveable_store): Only consider a store movable
17174 when the SET_SRC of the insn can be assigned to a register.
17176 2006-01-14 Ian Lance Taylor <ian@airs.com>
17178 * tree.c (tree_not_class_check_failed): New function.
17179 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17180 (tree_not_class_check_failed): Declare.
17182 2006-01-13 Ian Lance Taylor <ian@airs.com>
17184 * reload1.c (do_output_reload): Add assertion rejecting a
17187 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17189 * combine.c (struct reg_stat): Add new fields truncation_label and
17191 (record_value_for_reg): Reset truncated_to_mode.
17192 (record_truncated_value): New function.
17193 (check_promoted_subreg): Call it. Rename to check_conversions.
17194 (combine_instructions): Rename check_promoted_subreg to
17196 (reg_truncated_to_mode): New function.
17197 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17198 (gen_lowpart_or_truncate): New function.
17199 (force_to_mode): Use it instead of gen_lowpart.
17201 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17203 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17204 VAR is a tag, not its type tag.
17206 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17208 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17209 alternatives to match style of other entries.
17210 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17212 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17214 PR tree-optimization/25771
17215 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17218 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17221 * tree-inline.c (declare_return_variable): If the return variable
17222 was marked as a non gimple complex, set the return slot variable
17223 to be a non gimple comple variable.
17225 2006-01-13 Richard Guenther <rguenther@suse.de>
17227 * builtins.c (expand_builtin_sincos): New function.
17228 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17230 (expand_builtin): Expand sincos using expand_builtin_sincos.
17232 2006-01-12 DJ Delorie <dj@redhat.com>
17234 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17235 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17236 so that constant shifts can be split.
17237 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17238 (m32c_valid_pointer_mode): Make static.
17239 (shift_gen_func_for): New.
17240 (m32c_prepare_shift): Use it. Split large const shifts into
17242 * config/m32c/predicates.md (shiftcount_operand): Allow more
17244 (longshiftcount_operand): New.
17245 * doc/md.texi (Machine Constraints): Document In6.
17247 2006-01-13 Ben Elliston <bje@au.ibm.com>
17249 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17250 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17253 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17255 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17256 to try to avoid clobbering pieces of structures when we know
17257 something about the whole structure.
17258 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17260 2006-01-13 Ben Elliston <bje@au.ibm.com>
17262 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17263 return in memory, as this is no limitation is no longer present.
17265 2006-01-12 DJ Delorie <dj@redhat.com>
17267 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17268 mova with fb, and for fb+0 -> An.
17270 * config/m32c/mov.md (peephole2): Fix enabling logic.
17272 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17273 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17274 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17275 FINI_ARRAY_SECTION_ASM_OP): Define.
17277 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17279 (m32c_legitimize_reload_address): New logic to reload FB to An.
17280 (m32c_output_reg_push): Add newline.
17281 (m32c_output_reg_pop): Likewise.
17283 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17285 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17287 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17289 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17291 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17293 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17296 2006-01-11 Ben Elliston <bje@au.ibm.com>
17298 * rtlanal.c (find_reg_note): Assert insn is not null.
17300 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17302 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17305 2006-01-11 Jeff Law <law@redhat.com>
17307 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17309 (mark_threaded_blocks, register_jump_thread): New functions.
17310 (thread_through_all_blocks): Remove unwanted argument. No
17311 longer rely on e->aux to communicate thread target info.
17312 Call mark_threaded_blocks. Release the threaded_blocks
17313 bitmap and threaded_edges vector when complete.
17314 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17315 (threaded_blocks): Remove.
17316 (tree_ssa_dominator_optimize): Remove initialization and
17317 finalization of threaded_blocks. Simplify call to
17318 thread_through_all_blocks.
17319 (thread_across_edge): Call register_jump_thread rather than
17320 storing thread information into e->aux.
17321 (free_all_edge_infos): Simplify now that e->aux is no longer
17322 used to communicate with thread_through_all_blocks.
17323 * tree-flow.h (thread_through_all_blocks): Update prototype.
17324 (register_jump_thread): Prototype.
17326 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17328 * df-core.c (df_compact_blocks, df_bb_replace): Use
17329 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17331 2006-01-11 Richard Guenther <rguenther@suse.de>
17333 PR tree-optimization/25734
17334 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17335 stop propagation after successful propagation to the LHS.
17337 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17339 * basic-block.h (control_flow_graph): Change the type of
17340 x_basic_block_info to VEC(basic_block,gc) *.
17341 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17343 (SET_BASIC_BLOCK): New.
17344 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17345 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17346 * cfgbuild.c (find_basic_blocks): Likewise.
17347 * cfglayout.c (fixup_reorder_chain): Likewise.
17348 * cfgrtl.c (create_basic_block_structure,
17349 rtl_create_basic_block): Likewise.
17350 * ifcvt.c (find_if_case_1): Likewise.
17351 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17354 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17356 * Makefile.in: Removed rotted odf.c entry.
17358 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17361 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17362 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17363 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17364 output pattern modifier, not %e.
17365 * config/cris/cris.c (cris_op_str): Update comment about pattern
17367 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17368 before falling through into...
17369 <case 'E'>: Redefined from old 'e' case.
17371 2006-01-11 Jan Hubicka <jh@suse.cz>
17374 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17376 2006-01-11 Jan Hubicka <jh@suse.cz>
17378 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17379 * i386.c (x86_decompose_lea): Kill.
17380 (ix86_rtx_costs): Kill.
17382 2006-01-11 Jan Hubicka <jh@suse.cz>
17384 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17385 * cgraph.h (cgraph_node): Add inline_decl.
17386 (cgraph_insert_node_to_hashtable): Declare.
17387 (save_inline_function_body): Declare.
17388 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17390 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17391 (cgraph_function_versioning): Update call of tree_function_versioning.
17392 (save_inline_function_body): New function.
17393 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17394 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17395 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17396 (cgraph_default_inline_p): Likewise.
17397 (cgraph_decide_inlining_incrementally): Likewise.
17398 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17399 (copy_bb): Kill saving; do updating of clones.
17400 (copy_cfg_body): Kill saving.
17401 (initialize_inlined-parameters): Likewise.
17402 (expand_call_inline): Likewise.
17404 (tree_function_versioning): New parameter "update_clones".
17405 (inlining_p): Kill saving.
17406 * tree-inline.h (tree_function_versioning): Update prototype.
17407 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17410 2006-01-11 Ian Lance Taylor <ian@airs.com>
17412 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17413 Allow undoing set of machine mode.
17414 (do_SUBST): Use enums instead of is_int.
17415 (do_SUBST_MODE): New function.
17416 (SUBST_MODE): New macro.
17417 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17418 reg and trying to replace reg_regno_rtx with a new register.
17419 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17420 (simplify_set): Use SUBST_MODE.
17421 (distribute_notes): Remove code that tried to update reg notes
17422 for regno_reg_rtx changes.
17424 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17426 PR tree-optimization/23109
17427 PR tree-optimization/23948
17428 PR tree-optimization/24123
17430 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17431 * tree-cfg.c (single_noncomplex_succ): New.
17432 * tree-flow.h (single_noncomplex_succ): Declare it.
17433 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17434 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17435 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17436 insert_bb, register_division_in, insert_reciprocals,
17437 replace_reciprocal, free_bb): New.
17438 (execute_cse_reciprocals_1): Rewritten.
17439 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17440 Do not commit any edge insertion. Always compute dominators and
17441 create the allocation pool.
17442 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17443 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17444 * targhooks.c (default_min_divistions_for_recip_mul): New.
17445 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17446 * passes.c (init_optimization_passes): Run recip after tree loop
17448 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17450 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17451 Kenneth Zadeck <zadeck@naturalbridge.com>
17453 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17454 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17455 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17456 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17457 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17458 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17459 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17460 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17461 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17462 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17463 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17464 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17465 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17466 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17467 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17468 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17469 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17470 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17471 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17472 DF_SCAN_POST_ALLOC): New macros.
17473 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17474 df_free_bb_function, df_local_compute_function, df_init_function,
17475 df_dataflow_function, df_confluence_function_0,
17476 df_confluence_function_n, df_transfer_function,
17477 df_finalizer_function, df_free_function, df_dump_problem_function,
17478 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17479 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17480 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17481 df_urec_bb_info, ) New types.
17482 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17484 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17485 df_analyze_simple_change_some_blocks,
17486 df_analyze_simple_change_one_block, df_compact_blocks,
17487 df_bb_replace, df_bb_regno_last_use_find,
17488 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17489 df_insn_regno_def_p, df_find_def, df_find_use,
17490 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17491 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17492 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17493 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17494 debug_df_chain, df_get_dependent_problem, df_chain_create,
17495 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17496 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17497 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17498 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17499 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17500 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17501 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17502 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17503 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17504 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17505 df_reorganize_refs, df_set_state, df_hard_reg_init,
17506 df_read_modify_subreg_p) New public functions.
17507 * df-core.c: The core dataflow solver and glue routines for rtl
17509 (df_init, df_add_problem, df_set_blocks, df_finish,
17510 df_hybrid_search_forward, df_hybrid_search_backward,
17511 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17512 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17513 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17514 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17515 df_reg_defined, df_find_use, df_reg_used, df_dump,
17516 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17517 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17518 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17519 debug_df_useno, reset_df_after_reload): New functions.
17520 * df-scan.c: The scanning fuctions, once in df.c, completely
17521 rewritten so that they now fully model the functionality of
17522 register usage at the backend.
17523 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17524 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17525 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17526 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17527 df_get_artificial_defs, df_get_artificial_uses,
17528 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17529 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17530 df_refs_delete, df_reorganize_refs, df_set_state,
17531 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17532 df_def_record_1, df_defs_record, df_uses_record,
17533 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17534 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17535 df_record_exit_block_uses, df_hard_reg_init): New functions.
17537 * df-problems.c: Seven concrete dataflow problems that use the
17538 scanning in df-scan.c and are solved by the engine in df-core.c.
17539 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17540 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17541 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17542 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17543 df_ru_free_bb_info, df_ru_alloc,
17544 df_ru_bb_local_compute_process_def,
17545 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17546 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17547 df_ru_transfer_function, df_ru_free, df_ru_dump,
17548 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17549 df_rd_free_bb_info, df_rd_alloc,
17550 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17551 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17552 df_rd_transfer_function, df_rd_free, df_rd_dump,
17553 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17554 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17555 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17556 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17557 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17558 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17559 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17560 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17561 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17562 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17563 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17564 df_urec_mark_reg_use_for_earlyclobber,
17565 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17566 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17567 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17568 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17569 df_chain_create_bb_process_use, df_chain_create_bb,
17570 df_chain_finalize, df_chain_free, df_chains_dump,
17571 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17572 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17573 df_reg_lifetime): New functions.
17574 * df.c: Deleted file.
17575 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17576 consistent with new df api.
17577 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17578 rest_of_handle_sms): Ditto.
17579 * web.c (unionfind_union, union_defs, entry_register, web_main):
17581 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17582 invariant_expr_equal_p, find_defs, check_dependencies,
17583 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17584 free_inv_motion_data, move_loop_invariants): Ditto.
17585 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17586 Update dependencies.
17587 (odf.c): Added defective entry that was deleted later in day.
17588 * sched-deps.c (sched_analyze_1): Ditto.
17590 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17592 * tree-ssa-operands.c (get_expr_operands): Record addressable
17593 variables directly. Do not call add_stmt_operands for CONST_DECLs
17595 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17596 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17598 2006-01-11 Ben Elliston <bje@au.ibm.com>
17600 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17601 function returns true in the positive case.
17603 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17606 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17607 for SI, DI, SF and DF modes. Add alternatives to copy between
17608 general and floating point registers to the 32-bit patterns.
17609 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17610 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17611 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17612 generating 64-bit code.
17613 * config/pa/pa.c (output_move_double): Handle copies between general
17614 and floating registers.
17616 2006-01-10 Stuart Hastings <stuart@apple.com>
17618 * config/i386/i386.md (set_got): Update.
17619 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17620 (builtin_setjmp_receiver): Mach-O support.
17621 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17622 (GOT_SYMBOL_NAME): Define.
17623 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17624 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17625 * config/i386/i386.c (override_options): Revise for Darwin.
17626 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17627 support. (darwin_x86_file_end): New. (output_set_got): Add label
17628 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17629 * config/i386/i386-protos.h (output_set_got): Likewise.
17630 * config/darwin.c (machopic_legitimize_pic_address): Update
17633 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17635 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17636 when MODE isn't BLKmode.
17638 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17640 PR rtl-optimization/25367
17641 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17643 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17646 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17647 for a negative bound.
17649 2006-01-10 Richard Guenther <rguenther@suse.de>
17651 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17652 Never override with anything constraint.
17654 2006-01-10 Jan Beulich <jbeulich@novell.com>
17656 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17657 256 bits when optimize_size.
17659 2006-01-10 Jan Beulich <jbeulich@novell.com>
17661 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17663 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17664 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17667 2006-01-10 Ben Elliston <bje@au.ibm.com>
17669 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17671 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17672 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17673 (USE_FP_FOR_ARG): Reject decimal float modes.
17674 (function_arg_advance): Likewise.
17675 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17676 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17677 point types in AltiVec vectors.
17678 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17679 (rs6000_libcall_value): Likewise.
17681 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17683 * config/xtensa/ieee754-df.S: New file.
17684 * config/xtensa/ieee754-sf.S: New file.
17685 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17686 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17687 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17689 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17691 * config/sh/predicates.md (binary_float_operator,
17692 binary_logical_operator, commutative_float_operator,
17693 equality_comparison_operator, greater_comparison_operator,
17694 less_comparison_operator, logical_operator,
17695 noncommutative_float_operator, shift_operator,
17696 symbol_ref_operand, unary_float_operator): Remove redundant
17699 2006-01-09 Jeff Law <law@redhat.com>
17701 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17702 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17703 now unused arguments. Callers updated.
17704 (eliminate_redundant_computations): Remove now unused arguments,
17706 (local_fold): Remove, no longer used.
17707 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17709 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17710 (simplify_cond): New function.
17711 (forward_propagate_into_cond): Call simplify_cond.
17713 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17715 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17716 (*vec_extractv2di_1_sse): New.
17718 2006-01-09 Ben Elliston <bje@au.ibm.com>
17720 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17722 2006-01-08 Richard Guenther <rguenther@suse.de>
17724 * tree-ssa-structalias.c (get_constraint_for): Remove
17725 anyoffset argument.
17726 (get_constraint_for_component_ref): Likewise.
17727 (do_deref): Likewise.
17728 (get_constraint_for): Likewise.
17729 (do_structure_copy): Likewise.
17730 (handle_ptr_arith): Likewise.
17731 (find_func_aliases): Likewise. Remove unused need_anyoffset
17734 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17735 Kaz Kojima <kkojima@gcc.gnu.org>
17737 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17738 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17739 (EXTRA_CONSTRAINT_C16): Remove.
17740 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17741 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17742 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17743 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17744 constants of SHmedia. Handle nested constant expressions of
17746 (andcosts): Fix the costs for SHmedia constants.
17747 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17748 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17749 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17750 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17751 (movv4hi_i, movv2si_i): Likewise.
17752 (movsi_const): Adjust the second operand of ior so to match with
17753 the Csu constraint.
17754 (movdi_const, movdi_const_32bit): Likewise.
17755 (movdi_const_16bit+1): Don't sign-extend LOW.
17756 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17758 (*double_shori): Fix the split condition. Use GEN_INT instead
17759 of get_int_mode calls. Mask lower 16-bit of the argument of
17761 (sym2GOTPLT): Remove.
17762 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17764 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17765 instead of EXTRA_CONSTRAINT_C16.
17767 2006-01-07 Ian Lance Taylor <ian@airs.com>
17768 David Edelsohn <edelsohn@gnu.org>
17770 PR rtl-optimization/25662
17771 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17772 for constant operands instead of simplify_gen_binary.
17773 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17774 after trying simplify_binary_operation
17776 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17778 * tree.c (iterative_hash_expr): Hash decls based on UID.
17780 2006-01-06 Eric Christopher <echristo@apple.com>
17782 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17783 (TARGET_UNWIND_EMIT): Fix spelling.
17784 * target.h (gcc_target): Add except_table_label.
17785 * except.c (output_function_exception_table): Use.
17786 * varasm.c (default_emit_except_table_label): New.
17787 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17789 (asm_out): Add here.
17790 * output.h (default_emit_except_table_label): Prototype.
17791 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17792 * config/darwin.c (darwin_emit_except_table_label): Define.
17793 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17795 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17797 PR tree-optimization/18527
17798 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17799 number_of_iterations_special, number_of_iterations_exit):
17800 Move base and step of an iv to a single structure. Add
17801 no_overflow flag, and use it in # of iterations analysis.
17802 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17803 folded_casts argument.
17804 (simple_iv): Pass base and step in a structure. Set no_overflow
17806 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17807 Evaluate expensiveness of computing # of iterations instead of
17808 the final expression.
17809 * tree-scalar-evolution.h (affine_iv): New structure.
17810 (simple_iv): Declaration changed.
17811 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17812 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17813 find_givs_in_stmt): Changed due to simple_iv change.
17815 2006-01-06 Jeff Law <law@redhat.com>
17818 * tree-cfg.c (bsi_replace): Rename final argument from
17819 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17820 change (stmt -> orig_stmt).
17821 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17822 (bsi_remove): Add new argument. Remove EH information
17824 (verify_eh_throw_table_statements): New function.
17825 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17827 * tree-optimize.c (execute_free_cfg_annotations): Verify
17828 the EH throw statement table after removing annotations.
17829 * except.h (verify_eh_throw_table_statements): Prototype.
17830 * tree-flow.h (bsi_remove): Update prototype.
17831 * tree-vrp.c (remove_range_assertions): Add new argument to
17833 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17834 * tree-complex.c (expand_complex_div_wide): Likewise.
17835 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17836 * tree-tailcall.c (eliminate_tailcall): Likewise.
17837 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17838 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17839 * tree-nrv.c (tree_nrv): Likewise.
17840 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17841 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17842 (combine_blocks): Likewise.
17843 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17844 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17845 (cleanup_control_flow): Likewise.
17846 (remove_forwarder_block): Likewise.
17847 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17848 * tree-sra.c (sra_replace): Likewise.
17849 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17850 (forward_propagate_single_use_vars): Likewise.
17851 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17852 * tree-inline.c (expand_call_inline): Likewise.
17853 * tree-vect-transform.c (vect_transform_loop): Likewise.
17854 * tree-outof-ssa.c (rewrite_trees): Likewise.
17855 * tree-cfg.c (make_goto_expr_edges): Likewise.
17856 (cleanup_dead_labels): Likewise.
17857 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17858 (bsi_move_before, bsi_move_after): Likewise.
17859 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17860 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17862 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17865 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17867 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17868 on non gimple variables. Also add checks at the top for decls and
17870 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17872 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17873 and IMAGPART_EXPR for creating MUST_DEFs.
17874 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17875 and NAME_MEMORY_TAG separately from the DECLs.
17877 2006-01-06 Richard Guenther <rguenther@suse.de>
17879 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17880 annotation, if necessary.
17881 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17882 redundant calls to update_stmt.
17883 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17886 2006-01-05 Richard Henderson <rth@redhat.com>
17888 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17890 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17892 * c-typeck.c: Update copyright date.
17894 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17896 * c-typeck.c (build_c_cast): Always warn when casting
17897 from a pointer to an integer of different size, even if
17898 the node was constant.
17900 2006-01-05 Richard Guenther <rguenther@suse.de>
17902 PR tree-optimization/22555
17903 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17904 if one structure field is an array.
17905 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17906 operands even if we found a subvar, but ignore VOPs in this
17908 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17910 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17912 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17914 PR middle-end/24998
17915 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17917 2006-01-05 Richard Guenther <rguenther@suse.de>
17918 Diego Novillo <dnovillo@redhat.com>
17920 * tree-pass.h (TODO_remove_unused_locals): Define.
17921 * gimple-low.c (expand_var_p, remove_useless_vars,
17922 pass_remove_useless_vars): Remove. Update all users.
17923 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17924 (remove_unused_locals): New function.
17925 * tree-flow.h (remove_unused_locals): Declare.
17926 * passes.c (execute_todo): Call remove_unused_locals if
17927 TODO_remove_unused_locals is set.
17928 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17929 * tree-ssa-dce.c (pass_dce): Likewise.
17930 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17932 2006-01-05 Richard Guenther <rguenther@suse.de>
17934 * tree-flow.h (struct fieldoff): Decompose field to
17935 type, size and decl.
17936 * tree-ssa-alias.c (create_sft): Take type as parameter.
17937 (create_overlap_variables_for): Store type, size and decl
17938 in the fieldoff structure.
17939 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17940 of struct fieldoff.
17941 (push_fields_onto_fieldstack): Likewise.
17942 (create_variable_info_for): Likewise. Use offset for the
17943 SFT name if the decl is not available.
17945 2006-01-04 Paul Brook <paul@codesourcery.com>
17947 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17949 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17951 * lambda-code.c (can_put_in_inner_loop): Relax
17953 (can_put_after_inner_loop): New function.
17954 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17955 (perfect_nestify): Change to make copies and modify uses.
17957 2006-01-04 Richard Henderson <rth@redhat.com>
17959 Merge from gomp branch:
17960 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17961 via integer constant.
17962 (pragma_lex): Remove.
17963 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17964 rather than parsing it.
17965 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17966 handle_pragma_extern_prefix): Add %< %> quotes.
17967 (registered_pragmas): New.
17968 (c_register_pragma_1): New.
17969 (c_register_pragma): Use it.
17970 (c_register_pragma_with_expansion): Likewise.
17971 (c_invoke_pragma_handler): New.
17972 (init_pragma): Use cpp_register_deferred_pragma directly for
17974 * c-pragma.h (enum pragma_kind): New.
17975 (pragma_handler): New.
17976 (c_invoke_pragma_handler): Declare.
17977 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17979 * c-common.h (c_common_pch_pragma): Update decl.
17980 * Makefile.in (c-parser.o): Update dependencies.
17981 (GTFILES): Add c-pragma.h.
17982 * c-parser.c (struct c_token): Add pragma_kind.
17983 (struct c_parser): Add in_pragma.
17984 (c_lex_one_token): Always initialize keyword and pragma_kind.
17985 Extract data for CPP_PRAGMA.
17986 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17987 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17988 Don't allow CPP_PRAGMA_EOL if in_pragma.
17989 (c_parser_consume_pragma): New.
17990 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17991 (c_parser_skip_to_end_of_parameter): Likewise.
17992 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17993 (c_parser_skip_to_pragma_eol): New.
17994 (c_parser_external_declaration): Handle CPP_PRAGMA.
17995 (c_parser_compound_statement_nostart): Likewise.
17996 (c_parser_statement_after_labels): Likewise.
17997 (c_parser_pragma): New.
17998 (pragma_lex): Likewise.
17999 (c_parser_pragma_pch_preprocess): New.
18000 (c_parser_new): Merge into ...
18001 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18003 2006-01-04 Jeff Law <law@redhat.com>
18006 * tree-cfg.c (bsi_replace): Remove the original statement
18007 from the EH throw statement table.
18009 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18011 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18012 make the prototype extern "C" and add throw ().
18015 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18016 and pos non-negative and pos + len <= 32.
18017 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18018 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18019 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18022 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18023 as well as sizes not multiple of component size.
18026 * function.c (instantiate_expr): New function.
18027 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18028 walk its DECL_VALUE_EXPR with instantiate_expr.
18030 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18031 DW_OP_deref{,_size} if address isn't going to be added.
18033 2006-01-04 Ben Elliston <bje@au.ibm.com>
18035 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18036 * config/fp-bit.c: Likewise.
18038 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18040 * dominance.c: Add comment about why we use DFS numbering
18043 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18044 Richard Henderson <rth@redhat.com>
18046 Merge from gomp-branch:
18047 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18048 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18050 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18052 PR rtl-optimization/25578
18053 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18054 pass a parameter to simplify_shift_const if changing ASHIFTRT
18057 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18059 * builtins.c (get_builtin_sync_mem): New function.
18060 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18061 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18062 Call get_builtin_sync_mem to generate mem rtx.
18064 2006-01-03 Richard Guenther <rguenther@suse.de>
18067 * stmt.c (add_case_node): Make sure to clear overflow flags
18070 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18072 Merge from gomp-branch.
18073 * config/sparc/sync.md: New file.
18074 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18075 UNSPECV_LDSTUB): New constants.
18076 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18077 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18078 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18081 2006-01-03 Roger Sayle <roger@eyesopen.com>
18083 * combine.c (reg_subword_p): New predicate to test whether the
18084 destination of a set refers to a subword/piece of a register.
18085 (try_combine): Generalize the code to merge the setting of a
18086 pseudo to a constant followed by a set of a subword of that
18087 register to a constant.
18089 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18091 * basic-block.h (control_flow_graph): Change the type of
18092 x_label_to_block_map to VEC(basic_block,gc) *.
18093 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18094 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18096 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18097 VEC(basic_block,heap) *.
18098 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18099 ssa_prop_fini): Adjust the uses of cfg_blocks.
18101 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18103 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18105 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18106 hashing trees instead of a pointer hash.
18107 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18108 compare for MEM_EXPR.
18110 PR rtl-optimization/25130
18111 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18112 when comparing MEMs for GCSE
18114 2006-01-03 Ben Elliston <bje@au.ibm.com>
18116 * targhooks.h (default_decimal_float_supported_p): Declare.
18117 * targhooks.c (default_decimal_float_supported_p): Define.
18118 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18119 `default_decimal_float_supported_p'.
18120 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18122 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18124 * combine.c (apply_distributive_law <SUBREG>): Check
18125 TRULY_NOOP_TRUNCATION.
18127 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18129 * dwarf2out.c (have_switched_text_section): Delete.
18130 (have_multiple_function_sections): New.
18131 (have_location_lists): Make 'bool'.
18132 (add_AT_loc_list): Use 'true' not '1'.
18133 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18134 (output_loc_list): Use have_multiple_function_sections.
18135 (output_ranges): Likewise.
18136 (dwarf2out_begin_function): Set have_multiple_function_sections if
18138 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18139 Check function_section rather than DECL_SECTION_NAME.
18140 (dwarf2out_finish): Use have_multiple_function_sections.
18141 Don't clear have_location_lists.
18143 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18144 Jan Hubicka <jh@suse.cz>
18146 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18147 case of conditional jump jumping to the next instruction.
18148 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18149 cases of conditional jump jumping to the next instruction.
18151 2006-01-02 Jan Hubicka <jh@suse.cz>
18153 * i386.c (*_cost): Add COSTS_N_INSNS.
18154 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18156 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18159 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18161 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18163 * config/arm/arm.c (all_fpus): Fix comment typo.
18164 * config/darwin.c: Likewise.
18165 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18166 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18167 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18169 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18171 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18172 (rs6000_split_compare_and_swapqhi): New.
18173 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18174 (sync_compare_and_swapqhi_internal): New.
18175 * config/rs6000/rs6000-protos.h: Declare.